diff options
| author | Alessio Treglia <alessio@debian.org> | 2011-03-24 09:13:51 +0100 |
|---|---|---|
| committer | Alessio Treglia <alessio@debian.org> | 2011-03-24 09:13:51 +0100 |
| commit | e5328e59987b90c4e98959510b810510e384650d (patch) | |
| tree | 0f140b79d942c4654701d8fb4cfe2f1dd904f9f0 /extsnd.html | |
| parent | 36cf8384e5699cda3f1ca607753fe4d4a8515b01 (diff) | |
Imported Upstream version 12.0
Diffstat (limited to 'extsnd.html')
| -rw-r--r-- | extsnd.html | 964 |
1 files changed, 455 insertions, 509 deletions
diff --git a/extsnd.html b/extsnd.html index bb97757..57fe4f5 100644 --- a/extsnd.html +++ b/extsnd.html @@ -26,7 +26,7 @@ <script language=JavaScript type="text/javascript" src="wz_tooltip.js"></script> <script language=JavaScript type="text/javascript" src="wz_data.js"></script> -<!-- I'm using A NAME (i.e caps) where the entity should be ignored by the indexer (index.cl) --> +<!-- I'm using A NAME (i.e caps) where the entity should be ignored by the indexer (make-index.scm) --> <A NAME="extsndcontents"></a> <table border=0 bordercolor="lightgreen" width=100% cellpadding=2 cellspacing=0><tr><td bgcolor="lightgreen"> @@ -100,7 +100,6 @@ <ul> <li><a href="grfsnd.html#sndswitches" onmouseout="UnTip()" onmouseover="Tip('startup switches such as -l and -p')">Snd invocation flags</a> <li><a href="grfsnd.html#sndinitfile" onmouseout="UnTip()" onmouseover="Tip('~/.snd, ~/.snd_s7, ~/.snd_prefs_s7, etc')">The initialization file</a> - <li><a href="grfsnd.html#sndresources" onmouseout="UnTip()" onmouseover="Tip('X resources: Xdefaults, gtkrc')">Snd resources</a> <li><a href="grfsnd.html#sndconfigurationswitches" onmouseout="UnTip()" onmouseover="Tip('this refers to the configure script that prepares a makefile to build Snd from its sources')">Configuration choices</a> <li><a href="grfsnd.html#sndenvvars" onmouseout="UnTip()" onmouseover="Tip('mostly related to audio hardware choices')">Environment variables</a> </ul> @@ -108,7 +107,6 @@ <ul> <li><a href="grfsnd.html#emacssnd" onmouseout="UnTip()" onmouseover="Tip('Use Emacs as the listener')">Snd as an Emacs subjob</a> <li><a href="grfsnd.html#dynamic" onmouseout="UnTip()" onmouseover="Tip('Load your own C code into Snd')">Dynamically loaded modules</a> - <li><a href="grfsnd.html#programs" onmouseout="UnTip()" onmouseover="Tip('Use independent programs to perform editing operations')">External Programs</a> <li><a href="grfsnd.html#sndaswidget" onmouseout="UnTip()" onmouseover="Tip('Embed Snd in some other program')">Snd as a Widget</a> <li><a href="grfsnd.html#sndwithclm" onmouseout="UnTip()" onmouseover="Tip('CLM is built into Snd')">Snd and CLM</a> <li><a href="grfsnd.html#sndwithcm" onmouseout="UnTip()" onmouseover="Tip('CM is Rick Taube\'s composition environment')">Snd and Common Music</a> @@ -345,9 +343,8 @@ extension language, that initializes Snd to use whatever items you chose. <p><small>If the listener is active, and some sound is selected, any characters typed while in the sound graph which it can't handle are passed to the -listener; to exit the listener without using the -mouse, type C-g. This is also the way to get back to -the listener prompt if it appears to be hung; normally +listener. +If the listener appears to be hung, try C-g; normally in this situation, it's actually waiting for a close paren; if you put the cursor just past the close paren you're interested in @@ -508,65 +505,62 @@ Extensions to Snd can be found in: <tr><td bgcolor="#f2f4ff"><a href="sndscm.html#polydoc">poly</a></td> <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(poly_doc_tip)">polynomial-related stuff</td></tr> -<tr><td><a href="sndscm.html#popupdoc">popup, gtk-popup</a></td> - <td onmouseout="UnTip()" onmouseover="Tip(popup_doc_tip)">Popup menu specializations</td></tr> - -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#prc95doc">prc95</a></td> - <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(prc95_doc_tip)">Perry Cook's physical model examples</td></tr> +<tr><td><a href="sndscm.html#prc95doc">prc95</a></td> + <td onmouseout="UnTip()" onmouseover="Tip(prc95_doc_tip)">Perry Cook's physical model examples</td></tr> -<tr><td><a href="sndscm.html#pvocdoc">pvoc</a></td> - <td onmouseout="UnTip()" onmouseover="Tip(pvoc_doc_tip)">phase-vocoder</td></tr> +<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#pvocdoc">pvoc</a></td> + <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(pvoc_doc_tip)">phase-vocoder</td></tr> -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#rgbdoc">rgb</a></td> - <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(rgb_doc_tip)">color names</td></tr> +<tr><td><a href="sndscm.html#rgbdoc">rgb</a></td> + <td onmouseout="UnTip()" onmouseover="Tip(rgb_doc_tip)">color names</td></tr> -<tr><td><a href="sndscm.html#rtiodoc">rtio</a></td> - <td onmouseout="UnTip()" onmouseover="Tip(rtio_doc_tip)">real-time stuff</td></tr> +<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#rtiodoc">rtio</a></td> + <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(rtio_doc_tip)">real-time stuff</td></tr> -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#rubberdoc">rubber</a></td> - <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(rubber_doc_tip)">rubber-sound</td></tr> +<tr><td><a href="sndscm.html#rubberdoc">rubber</a></td> + <td onmouseout="UnTip()" onmouseover="Tip(rubber_doc_tip)">rubber-sound</td></tr> -<tr><td><a href="sndscm.html#selectiondoc">selection</a></td> - <td onmouseout="UnTip()" onmouseover="Tip(selection_doc_tip)">functions acting on the current selection</td></tr> +<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#selectiondoc">selection</a></td> + <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(selection_doc_tip)">functions acting on the current selection</td></tr> -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#singerdoc">singer</a></td> - <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(singer_doc_tip)">Perry Cook's vocal-tract physical model</td></tr> +<tr><td><a href="sndscm.html#singerdoc">singer</a></td> + <td onmouseout="UnTip()" onmouseover="Tip(singer_doc_tip)">Perry Cook's vocal-tract physical model</td></tr> -<tr><td><a href="sndscm.html#sndolddoc">snd6|7|8|9|10|11.scm</a></td> - <td onmouseout="UnTip()" onmouseover="Tip(sndold_doc_tip)">Backwards compatibility</td></tr> +<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#sndolddoc">snd9|10|11.scm</a></td> + <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(sndold_doc_tip)">Backwards compatibility</td></tr> -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#snddiffdoc">snddiff</a></td> - <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(snddiff_doc_tip)">sound difference detection</td></tr> +<tr><td><a href="sndscm.html#snddiffdoc">snddiff</a></td> + <td onmouseout="UnTip()" onmouseover="Tip(snddiff_doc_tip)">sound difference detection</td></tr> -<tr><td><a href="sndscm.html#sndgldoc">snd-gl</a></td> - <td onmouseout="UnTip()" onmouseover="Tip(snd_gl_doc_tip)">OpenGL examples (gl.c)</td></tr> +<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#sndgldoc">snd-gl</a></td> + <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(snd_gl_doc_tip)">OpenGL examples (gl.c)</td></tr> -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#sndmotifdoc">snd-motif, snd-gtk, snd-xm</a></td> - <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(snd_motif_doc_tip)">Motif/Gtk module (xm.c, xg.c)</td></tr> +<tr><td><a href="sndscm.html#sndmotifdoc">snd-motif, snd-gtk, snd-xm</a></td> + <td onmouseout="UnTip()" onmouseover="Tip(snd_motif_doc_tip)">Motif/Gtk module (xm.c, xg.c)</td></tr> -<tr><td><a href="sndscm.html#sndtestdoc">snd-test</a></td> - <td onmouseout="UnTip()" onmouseover="Tip(snd_test_doc_tip)">Snd regression tests</td></tr> +<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#sndtestdoc">snd-test</a></td> + <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(snd_test_doc_tip)">Snd regression tests</td></tr> -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#sndwarpdoc">sndwarp</a></td> - <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(sndwarp_doc_tip)">Bret Battey's sndwarp instrument</td></tr> +<tr><td><a href="sndscm.html#sndwarpdoc">sndwarp</a></td> + <td onmouseout="UnTip()" onmouseover="Tip(sndwarp_doc_tip)">Bret Battey's sndwarp instrument</td></tr> -<tr><td><a href="sndscm.html#spectrdoc">spectr</a></td> - <td>instrument steady state spectra</td></tr> +<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#spectrdoc">spectr</a></td> + <td bgcolor="#f2f4ff">instrument steady state spectra</td></tr> -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#stochasticdoc">stochastic</a></td> - <td bgcolor="#f2f4ff">Bill Sack's dynamic stochastic synthesis</td></tr> +<tr><td><a href="sndscm.html#stochasticdoc">stochastic</a></td> + <td>Bill Sack's dynamic stochastic synthesis</td></tr> -<tr><td><a href="sndscm.html#straddoc">strad</a></td> - <td>string physical model (from CLM)</td></tr> +<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#straddoc">strad</a></td> + <td bgcolor="#f2f4ff">string physical model (from CLM)</td></tr> -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#vdoc">v</a></td> - <td bgcolor="#f2f4ff">fm-violin</td></tr> +<tr><td><a href="sndscm.html#vdoc">v</a></td> + <td>fm-violin</td></tr> -<tr><td><a href="sndscm.html#wsdoc">ws</a></td> - <td onmouseout="UnTip()" onmouseover="Tip(ws_doc_tip)">with-sound</td></tr> +<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#wsdoc">ws</a></td> + <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(ws_doc_tip)">with-sound</td></tr> -<tr><td bgcolor="#f2f4ff"><a href="sndscm.html#zipdoc">zip</a></td> - <td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip(zip_doc_tip)">the zipper (the anti-cross-fader)</td></tr> +<tr><td><a href="sndscm.html#zipdoc">zip</a></td> + <td onmouseout="UnTip()" onmouseover="Tip(zip_doc_tip)">the zipper (the anti-cross-fader)</td></tr> </table> </td></tr></table> @@ -595,7 +589,7 @@ Snd does not exit.</p> (unsaved-edits? (cdr lst))) #f)) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>before-exit-hook</em> (lambda () (unsaved-edits? (<a class=quiet href="#sounds" onmouseout="UnTip()" onmouseover="Tip(extsnd_sounds_tip)">sounds</a>)))) +(hook-push <em class=red>before-exit-hook</em> (lambda () (unsaved-edits? (<a class=quiet href="#sounds" onmouseout="UnTip()" onmouseover="Tip(extsnd_sounds_tip)">sounds</a>)))) </pre></td></tr></table> <p>Now when Snd is told to exit, it checks before-exit-hook, runs @@ -644,9 +638,18 @@ function. </p> <tr><td width=30></td><td width=220></td><td></td></tr> +<!-- ask-about-unsaved-edits --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="askaboutunsavededits">ask-about-unsaved-edits</a></code></td> +<td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip('in this table, the default value of the given variable is listed after the variable name,<br>so ask-about-unsaved-edits defaults to false')"><code>#f</code></td></tr><tr><td></td><td colspan=2> +If ask-about-unsaved-edits is #t, Snd worries about unsaved edits when a sound is about to be closed. +Otherwise Snd just closes the sound, flushing any unsaved edits. +<code>(set! (ask-about-unsaved-edits) #t)</code> +</td></tr><tr><td colspan=3 height=16></td></tr> + + <!-- ask-before-overwrite --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="askbeforeoverwrite">ask-before-overwrite</a></code></td> -<td bgcolor="#f2f4ff" onmouseout="UnTip()" onmouseover="Tip('in this table, the default value of the given variable is listed after the variable name,<br>so ask-before-overwrite defaults to false')"><code>#f</code></td></tr><tr><td></td><td colspan=2> +<td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> ask-before-overwrite determines whether Snd asks before overwriting an existing file: <code>(set! (ask-before-overwrite) #t)</code> </td></tr><tr><td colspan=3 height=16></td></tr> @@ -668,7 +671,7 @@ This is the audio output device for the play button. <!-- auto-resize --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="autoresize">auto-resize</a></code></td> -<td bgcolor="#f2f4ff"><code>#t</code></td></tr><tr><td></td><td colspan=2> +<td bgcolor="#f2f4ff"><code>#t in Motif, #f in Gtk</code></td></tr><tr><td></td><td colspan=2> auto-resize determines whether the Snd window should be resized when a sound is opened or closed. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -900,6 +903,7 @@ See the function html in index.scm. </td></tr><tr><td colspan=3 height=16></td></tr> + <!-- html-program --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="htmlprogram">html-program</a></code></td> <td bgcolor="#f2f4ff"><code>"firefox"</code></td></tr><tr><td></td><td colspan=2> @@ -909,6 +913,20 @@ See the function html in index.scm. </td></tr><tr><td colspan=3 height=16></td></tr> +<!-- initial-beg --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="initialbeg">initial-beg</a></code></td> +<td bgcolor="#f2f4ff"><code>0.0</code></td></tr><tr><td></td><td colspan=2> +initial-beg is the start point (in seconds) of the initial graph of a sound. +</td></tr><tr><td colspan=3 height=16></td></tr> + + +<!-- initial-dur --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="initialdur">initial-dur</a></code></td> +<td bgcolor="#f2f4ff"><code>0.1</code></td></tr><tr><td></td><td colspan=2> +initial-dur is the duration (in seconds) of the initial graph of a sound. +</td></tr><tr><td colspan=3 height=16></td></tr> + + <!-- just-sounds --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="justsounds">just-sounds</a></code></td> <td bgcolor="#f2f4ff"><code>#t</code></td></tr><tr><td></td><td colspan=2> @@ -1007,7 +1025,7 @@ Currently, the optimizer is able to speed up Scheme code by factors between If you set the optimization-hook to print out whatever its argument is, you can find out what the optimizer found confusing: <pre> - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#optimizationhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_optimizationhook_tip)">optimization-hook</a> (lambda (n) (display (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_format_tip)">format</a> #f "opt: ~A~%" n)))) + (hook-push <a class=quiet href="#optimizationhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_optimizationhook_tip)">optimization-hook</a> (lambda (n) (display (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_format_tip)">format</a> #f "opt: ~A~%" n)))) </pre> See also <a href="#maxvirtualptrees">max-virtual-ptrees</a>. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -1022,6 +1040,13 @@ the initial graph display the next time you open that sound. </td></tr><tr><td colspan=3 height=16></td></tr> +<!-- play-arrow-size --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="playarrowsize">play-arrow-size</a></code></td> +<td bgcolor="#f2f4ff"><code>10</code></td></tr><tr><td></td><td colspan=2> +This is the size of the triangular arrow that handles click-to-play duties for the cursor, marks, mixes, and the selection. +</td></tr><tr><td colspan=3 height=16></td></tr> + + <!-- print-length --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="printlength">print-length</a></code></td> <td bgcolor="#f2f4ff"><code>12</code></td></tr><tr><td></td><td colspan=2> @@ -1036,6 +1061,14 @@ In S7, this also sets *vector-print-length*. </td></tr><tr><td colspan=3 height=16></td></tr> +<!-- remember-sound-state --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="remembersoundstate">remember-sound-state</a></code></td> +<td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> +If remember-sound-state is #t, Snd saves most of a sound's display state when it is closed, +and if that same sound is later re-opened, restores the previous state. +</td></tr><tr><td colspan=3 height=16></td></tr> + + <!-- save-dir --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="savedir">save-dir</a></code></td> <td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> @@ -1067,6 +1100,13 @@ them); if you're not using regions anyway, this switch can turn them off. </td></tr><tr><td colspan=3 height=16></td></tr> +<!-- show-full-duration --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="showfullduration">show-full-duration</a></code></td> +<td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> +If show-full-duration is #t, Snd displays the entire sound when it is first opened. +</td></tr><tr><td colspan=3 height=16></td></tr> + + <!-- show-indices --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="showindices">show-indices</a></code></td> <td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> @@ -1102,6 +1142,16 @@ This is a string giving the current Snd version. </td></tr><tr><td colspan=3 height=16></td></tr> +<!-- sync-style --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="syncstyle">sync-style</a></code></td> +<td bgcolor="#f2f4ff"><code>sync-by-sound</code></td></tr><tr><td></td><td colspan=2> +sync-style determines how sounds and their channels are sync'd together when they are +opened. <code>sync-none</code> means that no sounds, and no channels are tied together; +<code>sync-all</code> causes everything to be tied together; <code>sync-by-sound</code>, the default, causes individual sounds to +be separate, but if they have more than one channel, all the channels are tied together. +</td></tr><tr><td colspan=3 height=16></td></tr> + + <!-- temp-dir --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="tempdir">temp-dir</a></code></td> <td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> @@ -1189,17 +1239,23 @@ the cursor is moved to the clicked point. <img src="pix/uppergrf.png" alt="with-inset-graph" hspace=20 vspace=10> <br> +</td></tr><tr><td colspan=3 height=16></td></tr> + +<!-- with-menu-icons --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="withmenuicons">with-menu-icons</a></code></td> +<td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> +with-menu-icons determines whether some menus display icons beside the item labels (in Gtk only). </td></tr><tr><td colspan=3 height=16></td></tr> + <!-- with-pointer-focus --> -<tr><td colspan=2 bgcolor="#f2f4ff"> -<a class=def name="withpointerfocus">with-pointer-focus</a> <code>()</code> -</td></tr><tr><td></td><td> -If with-pointer-focus is #t (default is #f), whatever text or graph widget is underneath the mouse cursor is activated +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="withpointerfocus">with-pointer-focus</a></code></td> +<td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> +If with-pointer-focus is #t, whatever text or graph widget is underneath the mouse cursor is activated (this is sometimes known as "point-to-focus" mode). -</td></tr><tr><td colspan=2 height=16></td></tr> +</td></tr><tr><td colspan=3 height=16></td></tr> <!-- with-relative-panes --> @@ -1212,6 +1268,94 @@ Mono sounds and the listener are not affected (perhaps they should be?). </td></tr><tr><td colspan=3 height=16></td></tr> +<!-- with-smpte-label --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="withsmptelabel">with-smpte-label</a></code></td> +<td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> +with-smpte-label shows the current SMPTE frame number in a box +in the upper left corner of the graph (see the picture above under add-mark-pane). +</td></tr><tr><td colspan=3 height=16></td></tr> + + +<!-- with-toolbar --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="withtoolbar">with-toolbar</a></code></td> +<td bgcolor="#f2f4ff"><code>#t (gtk), #f (motif)</code></td></tr><tr><td></td><td colspan=2> +with-toolbar places a toolbar at the top of the Snd window, just under the main menu. + +<img src="pix/toolbar.png" alt="with-toolbar picture" hspace=20 vspace=10 usemap="#toolbarmap" border=0> +<map name="toolbarmap" + <area shape=rect coords="3, 42, 31, 76" alt="new sound icon" onmouseout="UnTip()" onmouseover="Tip('new sound')"> + <area shape=rect coords="32, 42, 60, 76" alt="open sound icon" onmouseout="UnTip()" onmouseover="Tip('open sound')"> + <area shape=rect coords="61, 42, 89, 76" alt="save icon" onmouseout="UnTip()" onmouseover="Tip('save edits')"> + <area shape=rect coords="90, 42, 118, 76" alt="revert icon" onmouseout="UnTip()" onmouseover="Tip('revert to saved')"> + <area shape=rect coords="119, 42, 149, 76" alt="undo icon" onmouseout="UnTip()" onmouseover="Tip('undo edit')"> + <area shape=rect coords="148, 42, 176, 76" alt="redo icon" onmouseout="UnTip()" onmouseover="Tip('redo edit')"> + <area shape=rect coords="177, 42, 205, 76" alt="close icon" onmouseout="UnTip()" onmouseover="Tip('close sound')"> + <area shape=rect coords="206, 42, 234, 76" alt="play icon" onmouseout="UnTip()" onmouseover="Tip('play from the start')"> + <area shape=rect coords="235, 42, 263, 76" alt="play from cursor icon" onmouseout="UnTip()" onmouseover="Tip('play from the cursor')"> + <area shape=rect coords="264, 42, 292, 76" alt="stop playing icon" onmouseout="UnTip()" onmouseover="Tip('stop playing')"> + <area shape=rect coords="293, 42, 321, 76" alt="full sound icon" onmouseout="UnTip()" onmouseover="Tip('show full sound')"> + <area shape=rect coords="322, 42, 350, 76" alt="zoom out icon" onmouseout="UnTip()" onmouseover="Tip('zoom out')"> + <area shape=rect coords="351, 42, 379, 76" alt="zoom in icon" onmouseout="UnTip()" onmouseover="Tip('zoom in')"> + <area shape=rect coords="380, 42, 408, 76" alt="start icon" onmouseout="UnTip()" onmouseover="Tip('go to start of sound')"> + <area shape=rect coords="409, 42, 437, 76" alt="back icon" onmouseout="UnTip()" onmouseover="Tip('go back a window')"> + <area shape=rect coords="438, 42, 466, 76" alt="next icon" onmouseout="UnTip()" onmouseover="Tip('go forward a window')"> + <area shape=rect coords="467, 42, 495, 76" alt="end icon" onmouseout="UnTip()" onmouseover="Tip('go to end of sound')"> + <area shape=rect coords="496, 42, 524, 76" alt="select icon" onmouseout="UnTip()" onmouseover="Tip('select all of sound')"> + <area shape=rect coords="525, 42, 553, 76" alt="unselect icon" onmouseout="UnTip()" onmouseover="Tip('unselect everything')"> + <area shape=rect coords="554, 42, 582, 76" alt="cut icon" onmouseout="UnTip()" onmouseover="Tip('delete selection')"> + <area shape=rect coords="583, 42, 611, 76" alt="paste icon" onmouseout="UnTip()" onmouseover="Tip('insert selection at cursor')"> + <area shape=rect coords="612, 42, 640, 76" alt="prefs icon" onmouseout="UnTip()" onmouseover="Tip('start preferences dialog')"> + <area shape=rect coords="641, 42, 669, 76" alt="quit icon" onmouseout="UnTip()" onmouseover="Tip('stop everything')"> + <area shape=rect coords="670, 42, 700, 76" alt="exit icon" onmouseout="UnTip()" onmouseover="Tip('exit Snd')"> +</map> + +</td></tr><tr><td colspan=3 height=16></td></tr> + + +<!-- with-tooltips --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="withtooltips">with-tooltips</a></code></td> +<td bgcolor="#f2f4ff"><code>#t</code></td></tr><tr><td></td><td colspan=2> +Set with-tooltips to #f to turn off tooltips. +</td></tr><tr><td colspan=3 height=16></td></tr> + + + +<!-- with-tracking-cursor --> +<tr><td colspan=2 bgcolor="#f2f4ff"> +<code><a class=def name="withtrackingcursor">with-tracking-cursor</a></code></td> +<td bgcolor="#f2f4ff"><code>#f</code></td></tr><tr><td></td><td colspan=2> +<p>This is #t if the cursor always follows along in the sound during playback. If it is #f, +you get the tracking cursor displayed only when you ask for it (via control-click of the +play button, for example). +</p> +<p> +The interval (in seconds) between cursor updates is set by <a href="#cursorupdateinterval">cursor-update-interval</a> +which defaults to 0.05. The accuracy of the cursor in reflecting the sound coming out the speakers +depends on the amount of buffering in your audio system. If Snd's displayed location is off, +set <a href="#cursorlocationoffset">cursor-location-offset</a> to reflect the number of samples +of buffering you think you probably have. A positive cursor-location-offset delays the cursor's +apparent progress (if playing forwards). +</p> + +<!-- INDEX trackingcursors:Tracking cursors --> +<A NAME="trackingcursors"></a> + +<TABLE border=3 bordercolor="tan" hspace=20 vspace=10><tr><td> +<blockquote><small> +<br> +play from the current cursor position with a tracking cursor: <a href="#pfc">pfc</a><br> +display tracking cursor as a full height vertical line: <a href="#trackingcursorstyle">tracking-cursor-style</a><br> +track play once: control-click 'play'. (You can add a mark at the current tracking cursor location during the play with C-m)<br> +leave the cursor at the final position after tracking play: if-cursor-follows-play-it-stays-where-play-stopped in examp.scm<br> +tracking cursor accuracy: <a href="#cursorlocationoffset">cursor-location-offset</a><br> +tracking cursor updating: <a href="#cursorupdateinterval">cursor-update-interval</a><br> +<br> +</small></blockquote> +</td></tr></TABLE> +</td></tr><tr><td colspan=3 height=16></td></tr> + + + <!-- zoom-focus-style --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="zoomfocusstyle">zoom-focus-style</a></code></td> <td bgcolor="#f2f4ff"><code>zoom-focus-active</code></td></tr><tr><td></td><td colspan=2> @@ -1382,16 +1526,11 @@ and <a href="#sndsounds">sounds</a> (as objects or as integers). <p>When some user-interface action takes place, code is called that responds to that action; these functions are sometimes called callbacks; the variable that holds a list of such callbacks is known as a hook. -A hook provides -a way to customize user-interface -actions. -The hook itself is list of functions. The function add-hook! adds a function to a hook's -list, remove-hook! removes a function, and reset-hook! clears out the list. For example, the hook that is checked when you click the sound's name in the minibuffer is name-click-hook. We can cause that action to print "hi":</p> <pre> - Scheme: (add-hook! <a class=quiet href="#nameclickhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_nameclickhook_tip)">name-click-hook</a> (lambda (snd) (<a class=quiet href="#sndprint" onmouseout="UnTip()" onmouseover="Tip(extsnd_sndprint_tip)">snd-print</a> "hi") #t)) + Scheme: (hook-push <a class=quiet href="#nameclickhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_nameclickhook_tip)">name-click-hook</a> (lambda (snd) (<a class=quiet href="#sndprint" onmouseout="UnTip()" onmouseover="Tip(extsnd_sndprint_tip)">snd-print</a> "hi") #t)) Ruby: $name_click_hook.add_hook!("print") do |snd| snd_print("hi"); true end @@ -1467,14 +1606,14 @@ some of these sequences. <p> You can find out what's on a given hook with the following (which is mostly adding carriage returns to the -printout from hook->list): +printout from hook-functions): </p> <table border=0 cellpadding=5 hspace=20><tr><td><pre> (define (describe-hook hook) (for-each (lambda (n) (<a class=quiet href="#sndprint" onmouseout="UnTip()" onmouseover="Tip(extsnd_sndprint_tip)">snd-print</a> (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_format_tip)">format</a> #f "~A~%" n))) - (reverse (<em class=red>hook->list</em> hook)))) + (reverse (<em class=red>hook-functions</em> hook)))) </pre></td></tr></table> <p>Here's the Ruby version of some of the hook-related functions: @@ -1538,9 +1677,8 @@ reset any added amplitude sliders to 1.0. <tr><td colspan=3 bgcolor="#f2f4ff"> <code><a class=def name="aftergraphhook">after-graph-hook</a> (snd chn)</code> </td></tr><tr><td></td><td colspan=2> -This hook is called after a graph is updated or redisplayed; see <a href="#displaysampsinred">display-samps-in-red</a>, -<a href="sndscm.html#showsmptelabel">draw-smpte-label</a> in snd-motif.scm, or <a href="#addcomment">add-comment</a>. -This is the hook to use when adding your own finishing touches to the display; if added earlier they risk +This hook is called after a graph is updated or redisplayed. +Use it to add your own finishing touches to the display; if added earlier they risk being erased by Snd as it redraws graphs. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -1569,7 +1707,7 @@ together but are independent of any other sound), united channels (all chans in and filled graphs (not line segments or dots, etc): <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>after-open-hook</em> +(hook-push <em class=red>after-open-hook</em> (lambda (snd) (if (> (<a class=quiet href="#channels" onmouseout="UnTip()" onmouseover="Tip(extsnd_channels_tip)">channels</a> snd) 1) (begin @@ -1579,7 +1717,6 @@ and filled graphs (not line segments or dots, etc): </pre></td></tr></table> See also <a href="sndscm.html#xbopen">C-x b</a> support in examp.scm, -<a href="sndscm.html#remembersoundstate">remember-sound-state</a> in extensions.scm, enved.scm, and various examples in snd-motif.scm. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -1588,8 +1725,7 @@ enved.scm, and various examples in snd-motif.scm. <tr><td colspan=3 bgcolor="#f2f4ff"> <code><a class=def name="aftersaveashook">after-save-as-hook</a> (index filename from-dialog)</code> </td></tr><tr><td></td><td colspan=2> -This hook is called after File:Save as. See <a href="sndscm.html#emacsstylesaveas">emacs-style-save-as</a> in snd7.scm -which closes the current sound and opens the newly created one to mimic Emacs. +This hook is called after File:Save as. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -1598,8 +1734,7 @@ which closes the current sound and opens the newly created one to mimic Emacs. <code><a class=def name="aftersavestatehook">after-save-state-hook</a> (filename)</code> </td></tr><tr><td></td><td colspan=2> This hook is called after Snd has saved its state (<a href="#savestate">save-state</a>). 'filename' is the (otherwise complete) saved state -program. See <a href="sndscm.html#wssavestate">ws-save-state</a> in ws.scm -or <a href="sndscm.html#remembersoundstate">remember-sound-state</a> in extensions.scm. Both use this sequence: +program. See <a href="sndscm.html#wssavestate">ws-save-state</a> in ws.scm. It uses this sequence: <br> <pre> (lambda (filename) @@ -1624,7 +1759,7 @@ This hook is called just after an FFT (or spectrum) is calculated. (<a class=quiet href="#reportinminibuffer" onmouseout="UnTip()" onmouseover="Tip(extsnd_reportinminibuffer_tip)">report-in-minibuffer</a> (number->string (/ (* 2 (<a class=quiet href="#vctpeak" onmouseout="UnTip()" onmouseover="Tip(extsnd_vctpeak_tip)">vct-peak</a> (<a class=quiet href="#transformtovct" onmouseout="UnTip()" onmouseover="Tip(extsnd_transformtovct_tip)">transform->vct</a> snd chn))) (<a class=quiet href="#transformsize" onmouseout="UnTip()" onmouseover="Tip(extsnd_transformsize_tip)">transform-size</a> snd chn)))))) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>after-transform-hook</em> report-fft-peak) +(hook-push <em class=red>after-transform-hook</em> report-fft-peak) </pre></td></tr></table></td></tr><tr><td colspan=3 height=16></td></tr> @@ -1636,7 +1771,7 @@ This hook is called if a file has a bogus-looking header (that is, a header with what appear to be bad values such as a negative number of channels). If a hook function returns #t, Snd does not try to open the file. <pre> - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> bad-header-hook (lambda (n) #t)) ; don't open bogus-looking files + (hook-push bad-header-hook (lambda (n) #t)) ; don't open bogus-looking files </pre> If no header is found, <a href="#openrawsoundhook">open-raw-sound-hook</a> is invoked instead ("raw" = "headerless"). </td></tr><tr><td colspan=3 height=16></td></tr> @@ -1646,8 +1781,7 @@ If no header is found, <a href="#openrawsoundhook">open-raw-sound-hook</a> is in <tr><td colspan=3 bgcolor="#f2f4ff"> <code><a class=def name="beforeclosehook">before-close-hook</a> (snd) </code> [<b>or</b>] </td></tr><tr><td></td><td colspan=2> -This hook is called when a file is about to be closed. If a hook function returns #t, the file is not closed (see -<a href="sndscm.html#checkforunsavededits">check-for-unsaved-edits</a> in extensions.scm). +This hook is called when a file is about to be closed. If a hook function returns #t, the file is not closed. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -1656,8 +1790,7 @@ This hook is called when a file is about to be closed. If a hook function retur <code><a class=def name="beforeexithook">before-exit-hook</a> ()</code> [<b>or</b>] </td></tr><tr><td></td><td colspan=2> This hook is called upon a request to exit Snd. -If a hook function returns #t, Snd does not exit. This can be used to check -for unsaved edits (see above or extensions.scm: <a href="#unsavededitsp">unsaved-edits?</a>). +If a hook function returns #t, Snd does not exit. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -1673,7 +1806,7 @@ just before a sound is saved. The arguments to the hook function describe the r we're saving the selection. <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>before-save-as-hook</em> +(hook-push <em class=red>before-save-as-hook</em> (lambda (index filename selection sr type format comment) (if (not (= sr (<a class=quiet href="#srate" onmouseout="UnTip()" onmouseover="Tip(extsnd_srate_tip)">srate</a> index))) (let ((chns (<a class=quiet href="#chans" onmouseout="UnTip()" onmouseover="Tip(extsnd_chans_tip)">channels</a> index))) @@ -1699,7 +1832,7 @@ file. If the hook functions return #t, the save state file is opened in append so you can write preliminary stuff via this hook, then instruct Snd not to clobber it during the save process. <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>before-save-state-hook</em> +(hook-push <em class=red>before-save-state-hook</em> (lambda (name) (<span onmouseout="UnTip()" onmouseover="Tip('io-open-write in Forth (see fs.fs); File.open in Ruby (I think — see extensions.rb)')">with-output-to-file name</span> (lambda () @@ -1717,7 +1850,7 @@ an integer, that value is used as the starting point (sample number) of the fft. the fft starts from the left window edge. To have it start at mid-window: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>before-transform-hook</em> +(hook-push <em class=red>before-transform-hook</em> (lambda (snd chn) ; 0.5 * (left + right) = midpoint (round (* 0.5 (+ (<a class=quiet href="#rightsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_rightsample_tip)">right-sample</a> snd chn) (<a class=quiet href="#leftsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_leftsample_tip)">left-sample</a> snd chn)))))) </pre></td></tr></table> @@ -1728,8 +1861,8 @@ of a moving mark: <table border=0 cellpadding=5 vspace=10><tr><td><pre> (define fft-position #f) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>before-transform-hook</em> (lambda (snd chn) fft-position)) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#markdraghook" onmouseout="UnTip()" onmouseover="Tip(extsnd_markdraghook_tip)">mark-drag-hook</a> (lambda (id) +(hook-push <em class=red>before-transform-hook</em> (lambda (snd chn) fft-position)) +(hook-push <a class=quiet href="#markdraghook" onmouseout="UnTip()" onmouseover="Tip(extsnd_markdraghook_tip)">mark-drag-hook</a> (lambda (id) (set! fft-position (<a class=quiet href="#marksample" onmouseout="UnTip()" onmouseover="Tip(extsnd_marksample_tip)">mark-sample</a> id)) (<a class=quiet href="#updatetransformgraph" onmouseout="UnTip()" onmouseover="Tip(extsnd_updatetransformgraph_tip)">update-transform-graph</a>))) </pre></td></tr></table></td></tr><tr><td colspan=3 height=16></td></tr> @@ -1752,7 +1885,7 @@ This hook is called when a file is closed (before the actual close, so the index <table border=0><tr><td> <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>close-hook</em> +(hook-push <em class=red>close-hook</em> (lambda (snd) (system "sndplay wood16.wav"))) </pre></td></tr></table> @@ -1768,7 +1901,6 @@ end </td></tr></table> close-hook is used in <a href="sndscm.html#autosavedoc">autosave.scm</a>, the <a href="sndscm.html#xbopen">C-x b</a> support in examp.scm, -<a href="sndscm.html#remembersoundstate">remember-sound-state</a> in extensions.scm, and many other places. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -1823,7 +1955,7 @@ Snd opens it as if you had called <a href="#opensound">open-sound</a>. If you d Snd mixes it at the mouse location in that channel. To get Snd to mix the dragged file even from the menubar: <pre> - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>drop-hook</em> (lambda (filename) (<a class=quiet href="#mix" onmouseout="UnTip()" onmouseover="Tip(extsnd_mix_tip)">mix</a> filename) #t)) ; return #t = we already dealt with the drop + (hook-push <em class=red>drop-hook</em> (lambda (filename) (<a class=quiet href="#mix" onmouseout="UnTip()" onmouseover="Tip(extsnd_mix_tip)">mix</a> filename) #t)) ; return #t = we already dealt with the drop </pre> snd-motif.scm has examples that add a drop callback to an arbitrary widget, or change an existing callback (to pass the sound and channel number to the drop callback function, bypassing drop-hook). @@ -1838,7 +1970,7 @@ This hook is called after file is opened, but before data has been read. This provides an opportunity to set sndlib prescaling values: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>during-open-hook</em> +(hook-push <em class=red>during-open-hook</em> (lambda (fd name reason) (if (= (<a class=quiet href="#mussoundheadertype" onmouseout="UnTip()" onmouseover="Tip(extsnd_mussoundheadertype_tip)">mus-sound-header-type</a> name) <a class=quiet href="#headertype" onmouseout="UnTip()" onmouseover="Tip(extsnd_musraw_tip)">mus-raw</a>) (set! (<a href="#musfileprescaler" onmouseout="UnTip()" onmouseover="Tip(extsnd_musfileprescaler_tip)">mus-file-prescaler</a> fd) 500.0)))) @@ -1859,6 +1991,15 @@ check that 'reason' is 1, or perhaps 1, 3, or 6 (these read the external form of </td></tr><tr><td colspan=3 height=16></td></tr> +<!-- effects-hook --> +<tr><td colspan=3 bgcolor="#f2f4ff"> +<code><a class=def name="effectshook">effects-hook</a> ()</code> +</td></tr><tr><td></td><td colspan=2> +effects-hook is a convenience hook for the effects dialogs. +</td></tr><tr><td colspan=3 height=16></td></tr> + + + <!-- enved-hook --> <tr><td colspan=3 bgcolor="#f2f4ff"> <code><a class=def name="envedhook">enved-hook</a> (env pt new-x new-y reason)</code> [<b>cascade</b>] @@ -1873,7 +2014,7 @@ and decay portions in the envelope editor, or use functions such as <a href="sndscm.html#stretchenvelope">stretch-envelope</a> from env.scm: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>enved-hook</em> +(hook-push <em class=red>enved-hook</em> (lambda (env pt x y reason) (if (= reason enved-move-point) (if (and (> x 0.0) (< x (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(sndscm_envelopelastx_tip)">envelope-last-x</a> env))) ; from env.scm @@ -1909,7 +2050,7 @@ If its hook functions return #t, the display is not updated. See examp.scm for many examples. If you want to add your own graphics to the display, use <a href="#aftergraphhook">after-graph-hook</a>. <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>graph-hook</em> +(hook-push <em class=red>graph-hook</em> (lambda (snd chn y0 y1) "set the dot size depending on the number of samples being displayed" (let ((dots (- (<a class=quiet href="#rightsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_rightsample_tip)">right-sample</a> snd chn) (<a class=quiet href="#leftsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_leftsample_tip)">left-sample</a> snd chn)))) @@ -1932,7 +2073,7 @@ This hook is called from <a href="#sndhelp">snd-help</a> with the current help s Say we want the index.scm procedure <a href="sndscm.html#html">html</a> called any time snd-help is called (from C-? for example): <pre> - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>help-hook</em> (lambda (subject help) (<a class=quiet href="sndscm.html#html" onmouseout="UnTip()" onmouseover="Tip(sndscm_html_function_tip)">html</a> subject) #f)) + (hook-push <em class=red>help-hook</em> (lambda (subject help) (<a class=quiet href="sndscm.html#html" onmouseout="UnTip()" onmouseover="Tip(sndscm_html_function_tip)">html</a> subject) #f)) </pre> If there is more than one hook function, each function's result is passed as input to the next function. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -1951,19 +2092,19 @@ If the hook function returns a list, the list's contents are interpreted as: initial x and y axis limits and the x axis label. The default (an empty hook) is equivalent to: <pre> - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>initial-graph-hook</em> (lambda (snd chn dur) (list 0.0 0.1 -1.0 1.0 "time" -1.0 1.0))) + (hook-push <em class=red>initial-graph-hook</em> (lambda (snd chn dur) (list 0.0 0.1 -1.0 1.0 "time" -1.0 1.0))) </pre> The 'dur' argument is the total length in seconds of the displayed portion of the channel, so to cause the entire sound to be displayed initially: <pre> - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>initial-graph-hook</em> (lambda (snd chn dur) (list 0.0 dur))) + (hook-push <em class=red>initial-graph-hook</em> (lambda (snd chn dur) (list 0.0 dur))) </pre> To get other the data limits (rather than the default y axis limits of -1.0 to 1.0), you can use <a href="#mussoundmaxamp">mus-sound-maxamp</a>, but if that sound's maxamp isn't already known, it can require a long process of reading the file. The following hook procedure uses the maxamp data if it is already available or the file is short: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>initial-graph-hook</em> +(hook-push <em class=red>initial-graph-hook</em> (lambda (snd chn dur) (if (or (<a class=quiet href="#mussoundmaxampexists" onmouseout="UnTip()" onmouseover="Tip(extsnd_mussoundmaxampexists_tip)">mus-sound-maxamp-exists?</a> (<a class=quiet href="#filename" onmouseout="UnTip()" onmouseover="Tip(extsnd_filename_tip)">file-name</a> snd)) (< (<a class=quiet href="#frames" onmouseout="UnTip()" onmouseover="Tip(extsnd_frames_tip)">frames</a> snd chn) 10000000)) @@ -1999,7 +2140,7 @@ If its function returns a list of pixels (xm style), these are used in order by If it returns a function (of no arguments), that function is called rather than the standard graph routine: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>lisp-graph-hook</em> +(hook-push <em class=red>lisp-graph-hook</em> (lambda (snd chn) (lambda () (<a class=quiet href="#drawstring" onmouseout="UnTip()" onmouseover="Tip(extsnd_drawstring_tip)">draw-string</a> "hi" @@ -2018,7 +2159,6 @@ For a fancy example, see <a href="sndscm.html#displaybarkfft">display-bark-fft</ </td></tr><tr><td></td><td colspan=2> This hook is called when a click occurs in the listener; the 'textpos' argument is the position in the text (a character number) where the click occurred. -See <a href="sndscm.html#clickforlistenerhelp">click-for-listener-help</a> in draw.scm. </td></tr><tr><td colspan=3 height=16></td></tr> @@ -2030,7 +2170,7 @@ This hook is called when a mark is clicked; return #t to squelch the default min hook function is used in <a href="sndscm.html#withmarkedsound">with-marked-sound</a> in ws.scm to display arbitrary info about a mark. <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mark-click-hook</em> +(hook-push <em class=red>mark-click-hook</em> (lambda (n) (if (not (defined? 'mark-properties)) (load "marks.scm")) (<a class=quiet href="#infodialog" onmouseout="UnTip()" onmouseover="Tip(extsnd_infodialog_tip)">info-dialog</a> "Mark Help" @@ -2073,29 +2213,7 @@ This hook is called when a mark is dragged. (cadr sndchn) (<a class=quiet href="#sample" onmouseout="UnTip()" onmouseover="Tip(extsnd_sample_tip)">sample</a> samp (car sndchn) (cadr sndchn)))))) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mark-drag-hook</em> report-mark-location) -</pre></td></tr></table></td></tr><tr><td colspan=3 height=16></td></tr> - - -<!-- mark-drag-triangle-hook --> -<tr><td colspan=3 bgcolor="#f2f4ff"> -<code><a class=def name="markdragtrianglehook">mark-drag-triangle-hook</a> (mark x time dragged-before)</code> [<b>progn</b>] -</td></tr><tr><td></td><td colspan=2> -This hook is called when a mark play triangle is dragged. The smoothness of the response to the drag motion is -largely determined by <a href="#dacsize">dac-size</a>. -'dragged-before' is #f when the drag starts and #t thereafter. 'x' is the mouse x location in the current -graph. 'time' is the uninterpreted (graphics toolkit) time at which the drag event was reported. If the hook function returns #t, -Snd takes no further action. To set up to play, then interpret the motion yourself, return #f on the first call, -and #t thereafter: - -<table border=0 cellpadding=5 vspace=10><tr><td><pre> -(let ((first-x 0)) - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mark-drag-triangle-hook</em> - (lambda (id x time dragged-before) - (if (not dragged-before) - (set! first-x x) - (set! (<a class=quiet href="#speedcontrol" onmouseout="UnTip()" onmouseover="Tip(extsnd_speedcontrol_tip)">speed-control</a>) (/ (- x first-x) 16.0))) - dragged-before))) +(hook-push <em class=red>mark-drag-hook</em> report-mark-location) </pre></td></tr></table></td></tr><tr><td colspan=3 height=16></td></tr> @@ -2112,7 +2230,7 @@ and if the <a href="#marksync">mark-sync</a> is not 0, the hook is called on eac (define (<A NAME="snpmark">snap-mark-to-beat</a>) ;; when a mark is dragged, its end position is always on a beat (let ((mark-release 4)) - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mark-hook</em> + (hook-push <em class=red>mark-hook</em> (lambda (mrk snd chn reason) (if (= reason mark-release) (let* ((samp (<a class=quiet href="#marksample" onmouseout="UnTip()" onmouseover="Tip(extsnd_marksample_tip)">mark-sample</a> mrk)) @@ -2139,7 +2257,7 @@ Here's an example that sets a mix's amps to 0 if you click it (see <a href="snds in mix.scm for a fancier version): <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mix-click-hook</em> +(hook-push <em class=red>mix-click-hook</em> (lambda (n) (set! (<a class=quiet href="#mixamp" onmouseout="UnTip()" onmouseover="Tip(extsnd_mixamp_tip)">mix-amp</a> n) 0.0) #t)) @@ -2153,7 +2271,7 @@ in mix.scm for a fancier version): This hook is called when a mix is dragged. <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mix-drag-hook</em> +(hook-push <em class=red>mix-drag-hook</em> (lambda (n x y) (<a class=quiet href="#reportinminibuffer" onmouseout="UnTip()" onmouseover="Tip(extsnd_reportinminibuffer_tip)">report-in-minibuffer</a> (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_format_tip)">format</a> #f "mix ~A at ~D: ~,3F" @@ -2164,7 +2282,7 @@ This hook is called when a mix is dragged. A neat example is to set up an empty sound with a 1.0 in sample 0, mix in a vct containing one element of 0.5, then set up this mix-drag-hook: <pre> - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> mix-drag-hook (lambda (id x y) (<a class=quiet href="#updatetransformgraph" onmouseout="UnTip()" onmouseover="Tip(extsnd_updatetransformgraph_tip)">update-transform-graph</a>))) + (hook-push mix-drag-hook (lambda (id x y) (<a class=quiet href="#updatetransformgraph" onmouseout="UnTip()" onmouseover="Tip(extsnd_updatetransformgraph_tip)">update-transform-graph</a>))) </pre> and turn on the FFT graph. As you drag the mix, you can see the spectral effect of that moving value as a comb filter. @@ -2199,10 +2317,10 @@ This hook is called upon a mouse button release or click (with various exception (<a class=quiet href="#updatetimegraph" onmouseout="UnTip()" onmouseover="Tip(extsnd_updatetimegraph_tip)">update-time-graph</a>) #t) #f)) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mouse-click-hook</em> click-to-center) +(hook-push <em class=red>mouse-click-hook</em> click-to-center) ;;; this example disables button 2 -> insert selection -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mouse-click-hook</em> +(hook-push <em class=red>mouse-click-hook</em> (lambda (snd chn button state x y axis) (and (= axis <a class=quiet onmouseout="UnTip()" onmouseover="Tip(extsnd_time_graph_tip)">time-graph</a>) (= button 2)))) </pre></td></tr></table> @@ -2211,7 +2329,7 @@ The mouse scroll wheel is sometimes reported as buttons 4 and 5; in the next exa turning the wheel zooms the graph in or out: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mouse-click-hook</em> +(hook-push <em class=red>mouse-click-hook</em> (lambda (snd chn button state x y axis) (if (and (= axis <a class=quiet onmouseout="UnTip()" onmouseover="Tip(extsnd_time_graph_tip)">time-graph</a>) (or (= button 4) (= button 5))) ; mouse scroll wheel @@ -2254,7 +2372,7 @@ This hook is called when the mouse is dragged within the lisp graph (see enved.s This hook is called when the mouse enters a channel's drawing area (graph pane). <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mouse-enter-graph-hook</em> +(hook-push <em class=red>mouse-enter-graph-hook</em> (lambda (snd chn) (<a class=quiet href="#sndprint" onmouseout="UnTip()" onmouseover="Tip(extsnd_sndprint_tip)">snd-print</a> (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_format_tip)">format</a> #f "~A[~A]" (<a class=quiet href="#shortfilename" onmouseout="UnTip()" onmouseover="Tip(extsnd_shortfilename_tip)">short-file-name</a> snd) chn)))) </pre></td></tr></table></td></tr><tr><td colspan=3 height=16></td></tr> @@ -2271,7 +2389,7 @@ The label itself is 'label'. We can use the <a href="sndscm.html#finfo">finfo</a to popup file info as follows: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mouse-enter-label-hook</em> +(hook-push <em class=red>mouse-enter-label-hook</em> (lambda (type position name) (if (not (= type 2)) (<a class=quiet href="#infodialog" onmouseout="UnTip()" onmouseover="Tip(extsnd_infodialog_tip)">info-dialog</a> name (finfo name))))) @@ -2291,11 +2409,11 @@ ensure that the pane under the mouse is the one that receives keyboard input, we hook procedures: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mouse-enter-graph-hook</em> +(hook-push <em class=red>mouse-enter-graph-hook</em> (lambda (snd chn) (if (<a class=quiet href="#soundp" onmouseout="UnTip()" onmouseover="Tip(extsnd_soundp_tip)">sound?</a> snd) (<a class=quiet href="#focuswidget" onmouseout="UnTip()" onmouseover="Tip(extsnd_focuswidget_tip)">focus-widget</a> (car (<a class=quiet href="#channelwidgets" onmouseout="UnTip()" onmouseover="Tip(extsnd_channelwidgets_tip)">channel-widgets</a> snd chn)))))) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mouse-enter-listener-hook</em> +(hook-push <em class=red>mouse-enter-listener-hook</em> (lambda (widget) (<a class=quiet href="#focuswidget" onmouseout="UnTip()" onmouseover="Tip(extsnd_focuswidget_tip)">focus-widget</a> widget))) </pre></td></tr></table> @@ -2311,7 +2429,7 @@ I much prefer this style of operation. This hook is called when the mouse enters a text widget (this is the third of the pointer focus hooks). <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mouse-enter-text-hook</em> +(hook-push <em class=red>mouse-enter-text-hook</em> (lambda (w) (<a class=quiet href="#focuswidget" onmouseout="UnTip()" onmouseover="Tip(extsnd_focuswidget_tip)">focus-widget</a> w))) </pre></td></tr></table></td></tr><tr><td colspan=3 height=16></td></tr> @@ -2372,7 +2490,7 @@ Both mus_error and mus_print run this hook; in the mus_print case, the 'type' is You can redirect mus_print output from stderr (the default) to stdout via: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>mus-error-hook</em> +(hook-push <em class=red>mus-error-hook</em> (lambda (typ msg) (and (= typ 0) ; it's mus_print, not mus_error (display msg)))) ; display returns some non-#f result, I assume @@ -2390,7 +2508,7 @@ This hook is called when the sound name is clicked (in the label in the minibuff If the function returns #t, the usual highly informative minibuffer babbling is squelched. <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>name-click-hook</em> +(hook-push <em class=red>name-click-hook</em> (lambda (snd) ; toggle read-only (set! (<a class=quiet href="#readonly" onmouseout="UnTip()" onmouseover="Tip(extsnd_readonly_tip)">read-only</a> snd) (not (<a class=quiet href="#readonly" onmouseout="UnTip()" onmouseover="Tip(extsnd_readonly_tip)">read-only</a> snd))) #t)) @@ -2426,7 +2544,7 @@ and any corresponding <a href="#afteropenhook">after-open-hook</a> functions are If it returns a string (a filename), that file is opened instead of the original one. <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>open-hook</em> +(hook-push <em class=red>open-hook</em> (lambda (filename) (if (= (<a class=quiet href="#mussoundheadertype" onmouseout="UnTip()" onmouseover="Tip(extsnd_mussoundheadertype_tip)">mus-sound-header-type</a> filename) <a class=quiet href="#headertype" onmouseout="UnTip()" onmouseover="Tip(extsnd_headertype_tip)">mus-raw</a>) ;; check for "OggS" first word, if found, translate to something Snd can read @@ -2458,7 +2576,7 @@ be omitted ('data-location' defaults to 0, and 'data-length' defaults to the fil If there is more than one function on the hook list, functions after the first get the on-going list result (if any) as the 'current-choices' argument (the empty list is the default). <pre> - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>open-raw-sound-hook</em> (lambda (file choices) (list 1 44100 <a class=quiet href="#dataformat" onmouseout="UnTip()" onmouseover="Tip(extsnd_dataformat_tip)">mus-lshort</a>))) + (hook-push <em class=red>open-raw-sound-hook</em> (lambda (file choices) (list 1 44100 <a class=quiet href="#dataformat" onmouseout="UnTip()" onmouseover="Tip(extsnd_dataformat_tip)">mus-lshort</a>))) </pre> Return '() to accept all the current raw header defaults; return #f to fallback on the Raw File Dialog. The raw header defaults are stereo, 44100 Hz, big endian short data; these values can be changed in the @@ -2474,7 +2592,7 @@ If the hook function returns #t, the <a href="#opensound">open-sound</a> returns </td></tr><tr><td></td><td colspan=2> This hook is called each time the optimizer hits something it can't handle; 'message' tries to give some information about the situation. <pre> - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>optimization-hook</em> (lambda (n) (display (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_format_tip)">format</a> #f "~A~%" n)))) + (hook-push <em class=red>optimization-hook</em> (lambda (n) (display (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_format_tip)">format</a> #f "~A~%" n)))) </pre> Normally, if the optimizer fails for some reason, it falls back silently on the Scheme evaluator, so the code runs slower. This hook gives you a way to find out why the optimizer gave up. @@ -2499,7 +2617,7 @@ If there is more than one hook function, each function's result is passed as inp <table border=0 cellpadding=5 vspace=10><tr><td> <pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>output-comment-hook</em> +(hook-push <em class=red>output-comment-hook</em> (lambda (str) ; append a time-stamp (string-append str ": written " (strftime "%a %d-%b-%Y %H:%M %Z" (localtime (current-time)))))) @@ -2517,7 +2635,7 @@ making it slightly easier to set default output names. <table border=0 cellpadding=5 vspace=10><tr><td><pre> (let ((file-ctr -1)) - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>output-name-hook</em> + (hook-push <em class=red>output-name-hook</em> (lambda (ignored-name) (set! file-ctr (+ file-ctr 1)) (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_format_tip)">format</a> #f "~A-~D.snd" ; make new file name based on date and file-ctr: "Jun-01-23.snd" @@ -2559,7 +2677,7 @@ distinguish Snd responses from user-typing, or add arbitrarily fancy prompts, bu in some other way — I should rewrite this part of Snd. <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>print-hook</em> +(hook-push <em class=red>print-hook</em> (lambda (msg) (if (char=? (string-ref msg 0) #\newline) (<a class=quiet href="#sndprint" onmouseout="UnTip()" onmouseover="Tip(extsnd_sndprint_tip)">snd-print</a> msg) @@ -2632,7 +2750,7 @@ If it returns #t, Snd flushes the error (it assumes you've dealt with it via the hook). <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>snd-error-hook</em> +(hook-push <em class=red>snd-error-hook</em> (lambda (msg) (<a class=quiet href="#play" onmouseout="UnTip()" onmouseover="Tip(extsnd_play_tip)">play</a> "bong.snd") ; or if xm is loaded, (XBell (XtDisplay (cadr (<a class=quiet href="#mainwidgets" onmouseout="UnTip()" onmouseover="Tip(extsnd_mainwidgets_tip)">main-widgets</a>))) 10) #f)) @@ -2651,9 +2769,9 @@ reported it via the hook). (define without-warnings (lambda (thunk) (define no-warning (lambda (msg) #t)) - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>snd-warning-hook</em> no-warning) + (hook-push <em class=red>snd-warning-hook</em> no-warning) (thunk) - (remove-hook! <em class=red>snd-warning-hook</em> no-warning))) + (hook-remove <em class=red>snd-warning-hook</em> no-warning))) </pre></td></tr></table></td></tr><tr><td colspan=3 height=16></td></tr> @@ -2668,7 +2786,7 @@ Snd to exit back to the shell if its file argument is not found (this code has to be in the ~/.snd init file): <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>start-hook</em> +(hook-push <em class=red>start-hook</em> (lambda (file) (if (not (file-exists? file)) (begin @@ -2687,7 +2805,7 @@ We can use this hook to replace "play" with "play selection" if the selection is active: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>start-playing-hook</em> +(hook-push <em class=red>start-playing-hook</em> (lambda (snd) (if (and (<a class=quiet href="#selectionok" onmouseout="UnTip()" onmouseover="Tip(extsnd_selectionok_tip)">selection?</a>) (<a class=quiet href="#selectionmember" onmouseout="UnTip()" onmouseover="Tip(extsnd_selectionmember_tip)">selection-member?</a> snd)) @@ -2735,24 +2853,6 @@ This hook is called when the selection finishes playing. </td></tr><tr><td colspan=3 height=16></td></tr> -<!-- time-graph-hook --> -<tr><td colspan=3 bgcolor="#f2f4ff"> -<code><a class=def name="timegraphhook">time-graph-hook</a> (snd chn)</code> [<b>progn</b>] -</td></tr><tr><td></td><td colspan=2> -This hook is called just before each channel's time domain graph is updated if <a href="#channelstyle">channel-style</a> is -<code>channels-combined</code> (that is, when all the channels are superimposed in one graph). -If its function returns a pixel, that color is used to draw that channel's data. - -<table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>time-graph-hook</em> - (lambda (snd chn) - (lambda () - (apply <a class=quiet href="#makecolor">make-color</a> (<a class=quiet href="#colormapref">colormap-ref</a> (<a class=quiet href="#colormap">colormap</a>) (/ chn (<a class=quiet href="#channels">channels</a> snd))))))) -</pre></td></tr></table> - -</td></tr><tr><td colspan=3 height=16></td></tr> - - <!-- update-hook --> <tr><td colspan=3 bgcolor="#f2f4ff"> <code><a class=def name="updatehook">update-hook</a> (snd)</code> [<b>or</b>] @@ -2768,7 +2868,7 @@ the newly updated sound may have a different index. <a href="sndscm.html#addmar the returned procedure to make sure the mark pane is reactivated right away when a sound is updated. The basic idea is: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>update-hook</em> +(hook-push <em class=red>update-hook</em> (lambda (snd-about-to-be-updated) ;; this function called just before update (lambda (updated-snd) @@ -2779,7 +2879,7 @@ the returned procedure to make sure the mark pane is reactivated right away when I use update-hook to make sure the y axis bounds reflect the new maxamp, if it is greater than 1.0: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>update-hook</em> +(hook-push <em class=red>update-hook</em> (lambda (old-snd) (lambda (snd) (do ((i 0 (+ 1 i))) @@ -2798,7 +2898,7 @@ then get the exploding bomb icon because their underlying data has changed): <table border=0 cellpadding=5 vspace=10><tr><td><pre> (let ((eds #f)) - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <em class=red>update-hook</em> + (hook-push <em class=red>update-hook</em> (lambda (cursnd) ; called before actual update -- save our edits (set! eds (<a href="#editlisttofunction">edit-list->function</a> cursnd 0)) (lambda (newsnd) ; called after update -- reapply our edits @@ -2837,7 +2937,7 @@ edit-hook is called just before any attempt to edit the channel's data; if it re the edit is cancelled. So, </td></tr></table> <pre> - Scheme: (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> (edit-hook snd chn) (lambda () #t)) + Scheme: (hook-push (edit-hook snd chn) (lambda () #t)) Ruby: edit_hook(snd, chn).add_hook!(\"stop-edit\") do | | true end Forth: snd chn edit-hook lambda: <{ }> #t ; add-hook! </pre> @@ -2857,7 +2957,7 @@ up protected portions of the edit history: (let* ((edit-pos (<a class=quiet href="#editposition" onmouseout="UnTip()" onmouseover="Tip(extsnd_editposition_tip)">edit-position</a> snd chn)) (hook (<em class=red>edit-hook</em> snd chn))) (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_reset_hook_tip)">reset-hook!</a> hook) - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> hook + (hook-push hook (lambda () (let ((val (< (<a class=quiet href="#editposition" onmouseout="UnTip()" onmouseover="Tip(extsnd_editposition_tip)">edit-position</a> snd chn) edit-pos))) (if val (<a class=quiet href="#reportinminibuffer" onmouseout="UnTip()" onmouseover="Tip(extsnd_reportinminibuffer_tip)">report-in-minibuffer</a> "protected")) @@ -4683,7 +4783,7 @@ instead; you type <code>(start-sync)</code>, then click each of the marks that y (define (start-sync) (set! mark-sync-number (+ (<a class=quiet href="#marksyncmax" onmouseout="UnTip()" onmouseover="Tip(extsnd_marksyncmax_tip)">mark-sync-max</a>) 1))) (define (stop-sync) (set! mark-sync-number 0)) (define (click-to-sync id) (set! (<em class=red>mark-sync</em> id) mark-sync-number) #f) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#markclickhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_markclickhook_tip)">mark-click-hook</a> click-to-sync) +(hook-push <a class=quiet href="#markclickhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_markclickhook_tip)">mark-click-hook</a> click-to-sync) </pre></td></tr></table> Now control-click and drag one of them, and all of them move together deleting data, or @@ -5581,6 +5681,14 @@ delete-selection deletes the selection, equivalent to the Edit:Delete selection <tr><td colspan=2 height=16></td></tr> +<!-- delete-selection-and-smooth --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="deleteselectionandsmooth">delete-selection-and-smooth</a></code> +</td></tr><tr><td></td><td> +delete-selection-and-smooth deletes the selection, then tries to make the splice smooth. +</td></tr> +<tr><td colspan=2 height=16></td></tr> + + <!-- env-selection --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="envselection">env-selection</a> envelope <em class=narg>env-base</em></code> </td></tr><tr><td></td><td> @@ -5634,7 +5742,6 @@ reverse-selection reverses the selection. <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="saveselection">save-selection</a> <em class=narg>:file (:header-type mus-next) :data-format :srate :comment :channel</em></code> </td></tr><tr><td></td><td> save-selection saves the selection in 'file'. If 'channel' is given, it saves only that channel. -See popup.scm for an example. <table border=0 cellpadding=5 vspace=10><tr><td><pre> (define (brksnd dur base) @@ -5833,6 +5940,14 @@ If some 'obj' is passed, selection? returns #t is obj is a selection object, and </td></tr><tr><td colspan=2 height=16></td></tr> +<!-- show-selection --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="showselection">show-selection</a></code> +</td></tr><tr><td></td><td> +show-selection finds the bounds of the current selection (in all channels), and +sets the time domain view to show it. +</td></tr><tr><td colspan=2 height=16></td></tr> + + <!-- smooth-selection --> <tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="smoothselection">smooth-selection</a></code> </td></tr><tr><td></td><td> @@ -5848,14 +5963,22 @@ then smooth it by typing that key. </td></tr><tr><td></td><td> src-selection applies sampling rate conversion to the selection; this is the same as src-sound but as applied to the selection. +</td></tr><tr><td colspan=2 height=16></td></tr> + + +<!-- unselect-all --> +<tr><td colspan=2 bgcolor="#f2f4ff"><code><a class=def name="unselectall">unselect-all</a></code> +</td></tr><tr><td></td><td> +If there is currently a selection, this deactivates (unselects) it. </td></tr> + </table> <br> <!-- INDEX selectionstuff:Selections --> <TABLE border=3 bordercolor="tan" hspace=20><tr><td> <small><blockquote> -show the current selection: <a href="sndscm.html#showselection">show-selection</a><br> +show the current selection: <a href="#showselection">show-selection</a><br> color of selected portion: <a href="#selectioncolor">selection-color</a><br> set whether creating a selection creates a region: <a href="#selectioncreatesregion">selection-creates-region</a><br> fft graph refers to the selection: <a href="#showselectiontransform">show-selection-transform</a><br> @@ -5866,11 +5989,10 @@ select portion via function: <a href="sndscm.html#makeselection">make-selection< evaluate func on each sample of selection: <a href="sndscm.html#evaloverselection">eval-over-selection</a> (map-selection in effect)<br> selection members as list of lists of sounds and channels: <a href="sndscm.html#selectionmembers">selection-members</a><br> rms of selection data: <a href="sndscm.html#selectionrms">selection-rms</a><br> -delete selection and smooth the splice: <a href="sndscm.html#deleteselectionandsmooth">delete-selection-and-smooth</a><br> +delete selection and smooth the splice: <a href="#deleteselectionandsmooth">delete-selection-and-smooth</a><br> select portion between two marks: <a href="sndscm.html#defineselectionviamarks">define-selection-via-marks</a><br> place marks at selection start and end: <a href="sndscm.html#snapmarks">snap-marks</a><br> squeeze selection between marks: <a href="sndscm.html#fitselectionbetweenmarks">fit-selection-between-marks</a><br> -add context-sensitive popup menu specific to selection: <a href="sndscm.html#popupdoc">add-selection-popup</a><br> delete selection and write it to a file: <a href="sndscm.html#menusdoc">cut-selection->new</a><br> append selection: <a href="sndscm.html#menusdoc">append-selection</a><br> write selection to a file: <a href="sndscm.html#menusdoc">selection->new</a><br> @@ -5878,6 +6000,7 @@ notch filter selection: <a href="sndscm.html#notchselection">notch-selection</a> undo select-all.: <a href="sndscm.html#menusdoc">deselect-all</a><br> filter the selection: <a href="#filterselection">filter-selection</a>, <a href="sndscm.html#filterselectionandsmooth">filter-selection-and-smooth</a><br> turn the selection into a mix: <a href="#selectiontomix">selection->mix</a><br> +unselect everything: <a href="#unselectall">unselect-all</a><br> <br> </blockquote></small> </td></tr></TABLE> @@ -6072,8 +6195,6 @@ then restore that state upon "Page Up": (cddr lst))))) last-page-state))))))) </pre></td></tr></table> - -See also draw-smpte-label in snd-motif.scm. </td></tr><tr><td colspan=2 height=18></td></tr> @@ -6210,7 +6331,7 @@ Possible values are <code>channels-separate</code>, <code>channels-combined</cod The following code sets the 'unite' button if the current sound has more than 4 channels: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#afteropenhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_afteropenhook_tip)">after-open-hook</a> +(hook-push <a class=quiet href="#afteropenhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_afteropenhook_tip)">after-open-hook</a> (lambda (snd) (if (> (<a class=quiet href="#chans" onmouseout="UnTip()" onmouseover="Tip(extsnd_chans_tip)">channels</a> snd) 4) (set! (<em class=red>channel-style</em> snd) <a class=quiet href="#channelstyle" onmouseout="UnTip()" onmouseover="Tip(extsnd_channelstyle_tip)">channels-combined</a>)))) @@ -6447,9 +6568,11 @@ replaces the normal "+" cursor with an "x": (let* ((point (<em class=red>cursor-position</em>)) (x (car point)) (y (cadr point)) - (size (floor (/ (<em class=red>cursor-size</em>) 2)))) - (<a class=quiet href="#drawline" onmouseout="UnTip()" onmouseover="Tip(extsnd_drawline_tip)">draw-line</a> (- x size) (- y size) (+ x size) (+ y size) snd chn <em class=red>cursor-context</em>) - (<a class=quiet href="#drawline" onmouseout="UnTip()" onmouseover="Tip(extsnd_drawline_tip)">draw-line</a> (- x size) (+ y size) (+ x size) (- y size) snd chn <em class=red>cursor-context</em>))) + (size (<em class=red>cursor-size</em>)) + (cr (make-cairo (car (channel-widgets snd chn))))) ; needed in Gtk, ignored in Motif + (<a class=quiet href="#drawline" onmouseout="UnTip()" onmouseover="Tip(extsnd_drawline_tip)">draw-line</a> (- x size) (- y size) (+ x size) (+ y size) snd chn <em class=red>cursor-context</em> cr) + (<a class=quiet href="#drawline" onmouseout="UnTip()" onmouseover="Tip(extsnd_drawline_tip)">draw-line</a> (- x size) (+ y size) (+ x size) (- y size) snd chn <em class=red>cursor-context</em> cr) + (free-cairo cr))) (set! (<em class=red>cursor-style</em>) x-cursor) </pre></td></tr></table> @@ -6503,7 +6626,7 @@ placement of the fixed point, but not to worry! Your data is ok: these files automatically in Snd. Perhaps the simplest is to use one of the open hooks: <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#afteropenhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_afteropenhook_tip)">after-open-hook</a> +(hook-push <a class=quiet href="#afteropenhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_afteropenhook_tip)">after-open-hook</a> (lambda (snd) ;; this could also (alternatively) set the y-bounds as above (if (= (<em class=red>data-format</em> snd) mus-lint) @@ -6513,7 +6636,7 @@ these files automatically in Snd. Perhaps the simplest is to use one of the ope or (an alternative that sets the underlying database entry, rather than the current in-Snd choice): <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#openhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_openhook_tip)">open-hook</a> +(hook-push <a class=quiet href="#openhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_openhook_tip)">open-hook</a> (lambda (name) (if (= (<a class=quiet href="#mussounddataformat" onmouseout="UnTip()" onmouseover="Tip(extsnd_mussounddataformat_tip)">mus-sound-data-format</a> name) mus-lint) (set! (<a class=quiet href="#mussounddataformat" onmouseout="UnTip()" onmouseover="Tip(extsnd_mussounddataformat_tip)">mus-sound-data-format</a> name) mus-lintn)) @@ -6569,10 +6692,11 @@ This deletes sample 'samp' in the given channel. delete a file: use the Scheme function delete-file, Ruby's File.delete, or Forth's file-delete<br> delete a region: <a href="#forgetregion">forget-region</a><br> delete the currently selected samples: <a href="#deleteselection">delete-selection</a><br> -delete the selection and smooth the splice: <a href="sndscm.html#deleteselectionandsmooth">delete-selection-and-smooth</a><br> +delete the selection and smooth the splice: <a href="#deleteselectionandsmooth">delete-selection-and-smooth</a><br> delete a mark or all marks: <a href="#deletemark">delete-mark</a><br> delete a colormap: <a href="#deletecolormap">delete-colormap</a><br> delete samples: <a href="#deletesamples">delete-samples</a><br> +delete samples and smooth over the splice: <a href="#deletesamplesandsmooth">delete-samples-and-smooth</a><br> remove a file from the sound cache: <a href="#mussoundforget">mus-sound-forget</a><br> remove a menu item: <a href="#removefrommenu">remove-from-menu</a> or remove-main-menu in snd-motif.scm<br> delete a mix or all mixes: <a href="sndscm.html#silenceallmixes">silence-mixes</a><br> @@ -6589,7 +6713,14 @@ Scheme delete funcs: remove-if assoc-remove! hash-remove! delete-if! delete! str <code><a class=def name="deletesamples">delete-samples</a> samp samps <em class=narg>snd chn edpos</em></code> </td></tr><tr><td></td><td> This deletes a block of samples. The deleted portion starts at sample 'samp' and runs for 'samps' samples. -See delete-selection-and-smooth in extensions.scm. +</td></tr><tr><td colspan=2 height=18></td></tr> + + +<!-- delete-samples-and-smooth --> +<tr><td colspan=2 bgcolor="#f2f4ff"> +<code><a class=def name="deletesamplesandsmooth">delete-samples-and-smooth</a> samp samps <em class=narg>snd chn edpos</em></code> +</td></tr><tr><td></td><td> +This deletes a block of samples, then tries to smooth over the splice. The deleted portion starts at sample 'samp' and runs for 'samps' samples. </td></tr><tr><td colspan=2 height=18></td></tr> @@ -6865,7 +6996,6 @@ Moog filter: <a href="sndscm.html#moogdoc">moog.scm</a><br> Savitzky-Golay filter: <a href="sndscm.html#sgfilter">savitzky-golay-filter</a><br> Click reduction: <a href="sndscm.html#removeclicks">remove-clicks</a>, <a href="sndscm.html#cleanchannel">clean-channel</a><br> FIR filter as virtual edit: <a href="sndscm.html#virtualfilterchannel">virtual-filter-channel</a><br> -LADSPA-based filter effects: see ladspa.scm<br> Max Mathews resonator: <a href="sndclm.html#firmant">firmant</a>, <a href="sndscm.html#maxfdoc">maxf.scm, maxf.rb</a><br> Spectral edit dialog: <a href="snd.html#editenvelope">Envelope Editor</a><br> graphical equalizer filter bank: <a href="sndscm.html#clminsdoc">graphEq</a><br> @@ -6959,7 +7089,7 @@ Leaving aside the 'nth' parameter, find-sound could be defined as: #f))) </pre></td></tr></table> -See popup.scm, and files-popup-buffer, open-next-file-in-directory, and the "Buffer Menu" code in examp.scm. +See files-popup-buffer, open-next-file-in-directory, and the "Buffer Menu" code in examp.scm. </td></tr><tr><td colspan=2 height=18></td></tr> @@ -7024,7 +7154,7 @@ the lisp-graph-hook, where the redisplay is automatic. (<a class=quiet href="#vctmultiply" onmouseout="UnTip()" onmouseover="Tip(extsnd_vctmultiply_tip)">vct-multiply!</a> data data) (<em class=red>graph</em> data "energy" (/ ls sr) (/ rs sr) 0.0 (* y-max y-max) snd chn #f)))) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a href="#lispgraphhook">lisp-graph-hook</a> display-energy) +(hook-push <a href="#lispgraphhook">lisp-graph-hook</a> display-energy) </pre></td></tr></table> <img src="pix/energy.png" alt="picture of examp.scm in action"> </td></tr><tr><td colspan=2 height=18></td></tr> @@ -7661,7 +7791,7 @@ the information to that file, otherwise it posts the data in a help window by <a href="#maxfftpeaks">max-transform-peaks</a>. <pre> -(add-hook! <a class=quiet href="#aftertransformhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_aftertransformhook_tip)">after-transform-hook</a> (lambda (a b c) +(hook-push <a class=quiet href="#aftertransformhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_aftertransformhook_tip)">after-transform-hook</a> (lambda (a b c) (<em class=red>peaks</em>))) ; post a detailed list of peaks after each FFT </pre> </td></tr><tr><td colspan=2 height=18></td></tr> @@ -7738,7 +7868,7 @@ And here we play from the cursor with a moving ("tracking") cursor: (define (<A NAME="pfc">pfc</a>) (let ((old-tracking (<a class=quiet href="#withtrackingcursor" onmouseout="UnTip()" onmouseover="Tip(extsnd_withtrackingcursor_tip)">with-tracking-cursor</a>))) (set! (<a class=quiet href="#withtrackingcursor" onmouseout="UnTip()" onmouseover="Tip(extsnd_withtrackingcursor_tip)">with-tracking-cursor</a>) #t) - (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#stopplayinghook" onmouseout="UnTip()" onmouseover="Tip(extsnd_stopplayinghook_tip)">stop-playing-hook</a> + (hook-push <a class=quiet href="#stopplayinghook" onmouseout="UnTip()" onmouseover="Tip(extsnd_stopplayinghook_tip)">stop-playing-hook</a> (lambda (snd) (set! (<a class=quiet href="#withtrackingcursor" onmouseout="UnTip()" onmouseover="Tip(extsnd_withtrackingcursor_tip)">with-tracking-cursor</a>) old-tracking))) (<em class=red>play</em> (selected-sound) (<a class=quiet href="#cursor" onmouseout="UnTip()" onmouseover="Tip(extsnd_cursor_tip)">cursor</a>)))) @@ -7817,7 +7947,7 @@ play the selection: (play (selection)), <a href="snd.html#cxp">C-x p</a><br> play a region: (play region-object), <a href="snd.html#cxp">C-x p</a>, play button in Region dialog<br> play a mix: (play mix-object), play button in Mix dialog<br> play a sequence of mixes: <a href="sndscm.html#playmixes">play-mixes</a><br> -play from mark: click or drag triangle (control-click for all chans)<br> +play from mark: click triangle (control-click for all chans)<br> play continuously between two marks: <a href="sndscm.html#loopbetweenmarks">loop-it</a><br> stop playing: C-g, C-t, <a href="#stopplaying">stop-playing</a>, set <a href="#playing">playing</a> to #f<br> pause or resume playback: space, set <a href="#pausing">pausing</a><br> @@ -7938,7 +8068,6 @@ icons, so there's no point in calling this more often than that. <a href="#startprogressreport">start-progress-report</a> posts the initial icon, and <a href="#finishprogressreport">finish-progress-report</a> removes it. If the icons are not available, a message is posted in the sound's minibuffer using 'name' to identify itself. -See ladspa.scm. </td></tr><tr><td colspan=2 height=18></td></tr> @@ -7988,10 +8117,9 @@ more like Emacs (it prompts for confirmation first): (<em class=red>prompt-in-minibuffer</em> (<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_format_tip)">format</a> #f "close ~S (cr=yes)?" (<a class=quiet href="#shortfilename" onmouseout="UnTip()" onmouseover="Tip(extsnd_shortfilename_tip)">short-file-name</a>)) (lambda (response) - (if (and (not (<a class=quiet href="#cgp" onmouseout="UnTip()" onmouseover="Tip(extsnd_cgp_tip)">c-g?</a>)) ; C-g => no - (or (not (string? response)) - (= (string-length response) 0) - (char=? (string-ref response 0) #\y))) + (if (or (not (string? response)) + (= (string-length response) 0) + (char=? (string-ref response 0) #\y)) (<a class=quiet href="#closesound" onmouseout="UnTip()" onmouseover="Tip(extsnd_closesound_tip)">close-sound</a>))) #f ; selected sound #t)) ; treat as string (i.e. don't require double quotes) @@ -8574,7 +8702,7 @@ extract one channel from a sound: <a href="#extractchannel">extract-channel</a>< extract a set of channels from a sound: <a href="#extractchannels">extract-channels</a><br> save a sound in a different format or header: <a href="#savesoundas">save-sound-as</a><br> backup edits automatically: <a href="sndscm.html#autosave">autosave</a><br> -check first for unsaved edits: <a href="sndscm.html#checkforunsavededits">check-for-unsaved-edits</a><br> +check first for unsaved edits: <a href="#askaboutunsavededits">ask-about-unsaved-edits</a><br> save Snd's complete state (unsaved edits and all): <a href="#savestate">save-state</a>, <a href="#savedir">save-dir</a>, <a href="#savestatehook">save-state-hook</a>, <a href="#savestatefile">save-state-file</a><br> save the selection: <a href="#saveselection">save-selection</a><br> save a region: <a href="#saveregion">save-region</a><br> @@ -8584,13 +8712,12 @@ save currently defined envelopes (envelope editor): <a href="#saveenvelopes">sav start the file save dialog: <a href="#savesounddialog">save-sound-dialog</a><br> start the selection save dialog: <a href="#saveselectiondialog">save-selection-dialog</a><br> start the region save dialog: <a href="#saveregiondialog">save-region-dialog</a><br> -use Emacs-style save-as behavior: <a href="sndscm.html#emacsstylesaveas">emacs-style-save-as</a><br> save the current listener text: <a href="#savelistener">save-listener</a><br> save keyboard macros: <a href="#savemacros">save-macros</a><br> save marks: <a href="#savemarks">save-marks</a><br> save just the edit history: <a href="#saveedithistory">save-edit-history</a><br> take some action upon a window manager save-yourself signal: <a href="sndscm.html#uponsaveyourself">upon-save-yourself</a><br> -save the current sound setup for a later reopen: <a href="sndscm.html#remembersoundstate">remember-sound-state</a><br> +save the current sound setup for a later reopen: <a href="#remembersoundstate">remember-sound-state</a><br> save the current fft peak info: <a href="#peaks">peaks</a><br> </blockquote></small> </td></tr></TABLE> @@ -8907,7 +9034,7 @@ it's probably simpler to use <a href="sndscm.html#withsound">with-sound</a> (see (tempfile (<em class=red>with-sound</em> (:output (<a class=quiet href="#sndtempnam" onmouseout="UnTip()" onmouseover="Tip(extsnd_sndtempnam_tip)">snd-tempnam</a>) :srate (<a class=quiet href="#srate" onmouseout="UnTip()" onmouseover="Tip(extsnd_srate_tip)">srate</a>) :to-snd #f) (<a class=quiet href="#run">run</a> (do ((samp 0 (+ 1 samp))) - ((or (c-g?) (<a class=quiet href="#sampleratendQ" onmouseout="UnTip()" onmouseover="Tip(extsnd_sampleratendQ_tip)">sampler-at-end?</a> rd))) + ((<a class=quiet href="#sampleratendQ" onmouseout="UnTip()" onmouseover="Tip(extsnd_sampleratendQ_tip)">sampler-at-end?</a> rd)) (<a class=quiet href="sndclm.html#out-any" onmouseout="UnTip()" onmouseover="Tip(sndclm_out_any_tip)">out-any</a> samp (<a class=quiet href="sndclm.html#src" onmouseout="UnTip()" onmouseover="Tip(sndclm_src_tip)">src</a> s incr (lambda (dir) (<a class=quiet href="#readsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_readsample_tip)">read-sample</a> rd))) 0) (if (= (modulo samp 2205) 0) (set! incr (+ 2.0 (<a class=quiet href="sndclm.html#oscil" onmouseout="UnTip()" onmouseover="Tip(sndclm_oscil_tip)">oscil</a> o)))))))) @@ -9023,7 +9150,7 @@ smooth-channel-via-ptree in examp.scm is the virtual form. <small><blockquote> smooth all channels: <a href="#smoothsound">smooth-sound</a><br> smooth selection: <a href="#smoothselection">smooth-selection</a><br> -delete the selection and smooth the splice: <a href="sndscm.html#deleteselectionandsmooth">delete-selection-and-smooth</a><br> +delete the selection and smooth the splice: <a href="#deleteselectionandsmooth">delete-selection-and-smooth</a><br> smoothing as virtual op: smooth-channel-via-ptree in examp.scm<br> smoothing via fft: <a href="sndscm.html#fftsmoother">fft-smoother</a><br> smooth via low-pass <a href="#filtersinsnd">filter</a><br> @@ -9450,7 +9577,7 @@ This removes 'player' from the current play-list (see <a href="#makeplayer">make <code><a class=def name="stopplaying">stop-playing</a> <em class=narg>snd</em></code> </td></tr><tr><td></td><td> If 'snd' is playing, this stops it. -If no argument is given, it stops all playback. See play.scm, popup.scm, +If no argument is given, it stops all playback. See play.scm, <a href="#stopplayinghook">stop-playing-hook</a>, or <a href="#stopplayingselectionhook">stop-playing-selection-hook</a>. </td></tr><tr><td colspan=2 height=18></td></tr> @@ -9560,7 +9687,7 @@ The default is <code>graph-once</code>. See also <a href="#wavohop">wavo-hop</a <code><a class=def name="trackingcursorstyle">tracking-cursor-style</a> <em class=narg>snd chn</em></code> </td></tr><tr><td></td><td> This is the <a href="#cursorstyle">cursor-style</a> in effect when the cursor is tracking playback (<a href="#withtrackingcursor">with-tracking-cursor</a>). -tracking-cursor-style can be <code>cursor-cross</code> or <code>cursor-line</code>. If you want some other shape, +tracking-cursor-style can be <code>cursor-cross</code> or <code>cursor-line</code> (the default). If you want some other shape, use the function choice for cursor-style (that function's third argument can tell you when you're tracking). </td></tr><tr><td colspan=2 height=18></td></tr> @@ -9799,42 +9926,6 @@ This sets the length (in samples) of each wavogram trace (the default is 64). S </td></tr><tr><td colspan=2 height=18></td></tr> -<!-- with-tracking-cursor --> -<tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="withtrackingcursor">with-tracking-cursor</a> <em class=narg>snd</em></code> -</td></tr><tr><td></td><td> -This is #t if the cursor is following along in the sound during playback. To make this the default: -<pre> - (set! (with-tracking-cursor) #t) -</pre> -The interval (in seconds) between cursor updates is set by <a href="#cursorupdateinterval">cursor-update-interval</a> -which defaults to 0.05. The accuracy of the cursor in reflecting the sound coming out the speakers -depends on the amount of buffering in your audio system. If Snd's displayed location is off, -set <a href="#cursorlocationoffset">cursor-location-offset</a> to reflect the number of samples -of buffering you think you probably have. A positive cursor-location-offset delays the cursor's -apparent progress (if playing forwards). In OSS, you can make a pretty good guess by setting -it to the number of fragments times half the size of the fragments (since these are bytes, and -cursor-location-offset is in terms of samples). If you have <code>(mus-oss-set-buffers 4 12)</code>, -try <code>(set! (cursor-location-offset) (* 4 (expt 2 11)))</code>. - -<!-- INDEX trackingcursors:Tracking cursors --> -<A NAME="trackingcursors"></a> - -<TABLE border=3 bordercolor="tan" hspace=20 vspace=10><tr><td> -<blockquote><small> -<br> -play from the current cursor position with a tracking cursor: <a href="#pfc">pfc</a><br> -display tracking cursor as a full height vertical line: <a href="#trackingcursorstyle">tracking-cursor-style</a><br> -track play once: control-click 'play'. (You can add a mark at the current tracking cursor location during the play with C-m)<br> -leave the cursor at the final position after tracking play: if-cursor-follows-play-it-stays-where-play-stopped in examp.scm<br> -tracking cursor accuracy: <a href="#cursorlocationoffset">cursor-location-offset</a><br> -tracking cursor updating: <a href="#cursorupdateinterval">cursor-update-interval</a><br> -<br> -</small></blockquote> -</td></tr></TABLE> -</td></tr><tr><td colspan=2 height=18></td></tr> - - <!-- with-verbose-cursor --> <tr><td colspan=2 bgcolor="#f2f4ff"> <code><a class=def name="withverbosecursor">with-verbose-cursor</a> <em class=narg>snd chn</em></code> @@ -9895,7 +9986,7 @@ This returns <code>(list x0 x1)</code>, the current x axis bounds in seconds. T </td></tr><tr><td></td><td> This returns the graph (screen pixel) position that corresponds to the x axis value 'x'. 'axis' is one of <code>time-graph</code> (the default), <code>lisp-graph</code>, or <code>transform-graph</code>. -See draw.scm or gtk-popup.scm for examples. +See draw.scm for an example. </td></tr><tr><td colspan=2 height=18></td></tr> @@ -10441,8 +10532,8 @@ style (default: 12). <p> -<a href="sndscm.html#makehiddencontrolsdialog">make-hidden-controls-dialog</a> in -snd-motif.scm sets up a dialog to handle the controls that aren't handled by +The Options:Controls menu option +starts a dialog to handle the controls that aren't handled by the control panel (expand-control-hop, expand-control-length, expand-control-ramp, contrast-control-amp, reverb-control-lowpass, and reverb-control-feedback). The control panel itself is accessible as <code>(list-ref (<a href="#soundwidgets">sound-widgets</a>) 2)</code>. @@ -10667,45 +10758,20 @@ no redo-able edits, <code>(edits)</code> returns <code>(list 2 0)</code>. </td></tr><tr><td></td><td> This returns a list of lists completely describing current edit list. Each inner list has the form + <pre> (list global-position data-number local-position local-end scaler ramp0 ramp1 type) </pre> + If 'data-number' is -2, it marks the end of the list. In our example above (the scale-channel/pad-channel sequence): + <pre> :<em class=typing>(edit-tree)</em> <em class=listener>((0 0 0 99 2.0 0.0 0.0 0) (100 -1 0 199 0.0 0.0 0.0 1) (300 0 100 50827 2.0 0.0 0.0 0) (51028 -2 0 0 0.0 0.0 0.0 0))</em> </pre> -The following function uses -this information to highlight the changed portions of a given sound. - -<table border=0 cellpadding=5 vspace=10><tr><td><pre> -(define (<A NAME="showoriginal">show-original</a> snd chn) - ;; draw a bar above unchanged portions of a sound - (define (check-fragment tree ls rs) - (let* ((fragment (car tree)) ; current edit list fragment - (pos (car fragment)) ; its position in sound - (dat (cadr fragment)) - (scl (list-ref fragment 4))) - (if (and (= dat 0) ; original sound - (= scl 1.0)) ; unscaled - (let ((nxtpos (car (cadr tree)))) - (if (and (<= pos rs) - (>= nxtpos ls)) ; fragment is at least partially visible - (let ((x0pos (<a class=quiet href="#xtoposition" onmouseout="UnTip()" onmouseover="Tip(extsnd_xtoposition_tip)">x->position</a> (/ (max ls pos) (<a class=quiet href="#srate" onmouseout="UnTip()" onmouseover="Tip(extsnd_srate_tip)">srate</a>)))) - (x1pos (<a class=quiet href="#xtoposition" onmouseout="UnTip()" onmouseover="Tip(extsnd_xtoposition_tip)">x->position</a> (/ (min rs nxtpos) (<a class=quiet href="#srate" onmouseout="UnTip()" onmouseover="Tip(extsnd_srate_tip)">srate</a>))))) - (<a class=quiet href="#fillrectangle" onmouseout="UnTip()" onmouseover="Tip(extsnd_fillrectangle_tip)">fill-rectangle</a> x0pos 2 (- x1pos x0pos) 5))))) - (if (and (cdr tree) ; go to next fragment - (not (= (cadr (car tree)) -2))) - (check-fragment (cdr tree) ls rs)))) - (check-fragment (<em class=red>edit-tree</em> snd chn) - (<a class=quiet href="#leftsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_leftsample_tip)">left-sample</a> snd chn) - (<a class=quiet href="#rightsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_rightsample_tip)">right-sample</a> snd chn))) - -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#aftergraphhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_aftergraphhook_tip)">after-graph-hook</a> show-original) -</pre> -</td></tr></table></td></tr><tr><td></td><td></td></tr><tr><td colspan=2 height=16></td></tr> +</td></tr><tr><td></td><td></td></tr><tr><td colspan=2 height=16></td></tr> <!-- save-edit-history --> @@ -10842,21 +10908,6 @@ Here's an example that displays a histogram of the current values in 16 bins: (set! (v (+ j bin)) (+ step (v (+ j bin)))))))))) </pre></td></tr></table> -This code ties the Hilbert transform in dsp.scm into the user-interface: - -<table border=0 cellpadding=5 vspace=10><tr><td><pre> -(<em class=red>add-transform</em> "Hilbert" "Hilbert" 0.0 1.0 - (lambda (len fd) - (let ((flt (<a class=quiet href="sndscm.html#makehilberttransform" onmouseout="UnTip()" onmouseover="Tip(sndscm_makehilberttransform_tip)">make-hilbert-transform</a> 40))) - (do ((i 0 (+ 1 i))) ; preload first samples - ((= i 40)) - (<a class=quiet href="sndclm.html#fir-filter" onmouseout="UnTip()" onmouseover="Tip(sndclm_fir_filter_tip)">fir-filter</a> flt (<a class=quiet href="#readsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_readsample_tip)">read-sample</a> fd))) - (<a class=quiet href="#vctmap" onmouseout="UnTip()" onmouseover="Tip(extsnd_vctmap_tip)">vct-map!</a> - (<a class=quiet href="#makevct" onmouseout="UnTip()" onmouseover="Tip(extsnd_makevct_tip)">make-vct</a> len) - (lambda () - (<a class=quiet href="sndclm.html#fir-filter" onmouseout="UnTip()" onmouseover="Tip(sndclm_fir_filter_tip)">fir-filter</a> flt (<a class=quiet href="#readsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_readsample_tip)">read-sample</a> fd))))))) -</pre></td></tr></table> - If GSL is included in Snd, the following code ties in the (slow) Hankel transform: <table border=0 cellpadding=5 vspace=10><tr><td><pre> @@ -11139,7 +11190,7 @@ called each time the menu is displayed. This adds the menu 'menu-label' to the top-level menu whose index is 'top-menu' with the callback function 'callback', then returns the new menu label widget. The built-in -Snd menus are numbered from 0 ('File') to 5 ('Popup'); 'Help' is menu 4. If the label and callback are #f, a separator is added to the menu. +Snd menus are numbered from 0 ('File') to 4 ('Help'). If the label and callback are #f, a separator is added to the menu. 'position' sets the position of the new menu option; it defaults to the end of the menu. See new-effects.scm for many examples. <pre> (<em class=red>add-to-menu</em> 1 "Stop Playing" @@ -11254,6 +11305,7 @@ dialog-widgets returns a list of dialog widgets (or lists thereof, or #f if none 18: File: Recorder dialog 19: View: Regions dialog 20: info dialog (activated by info-dialog function) + 21: more controls dialog 22: Edit: Selection Save as dialog 23: File: Insert file dialog 24: region save as dialog (from regions dialog save button) @@ -11510,9 +11562,6 @@ starts the help dialog with help related to the selection if "h" is typed in the (if subject (<a class=quiet href="#helpdialog" onmouseout="UnTip()" onmouseover="Tip(extsnd_helpdialog_tip)">help-dialog</a> subject (<a class=quiet href="#sndhelp" onmouseout="UnTip()" onmouseover="Tip(extsnd_sndhelp_tip)">snd-help</a> subject)))))) </pre> -<p>But it's probably more convenient to use the <a href="#listenerclickhook">listener-click-hook</a> -and click-for-listener-help (draw.scm). -</p> </td></tr><tr><td colspan=2 height=16></td></tr> @@ -11538,7 +11587,6 @@ associated with its integer argument: 2: View menu 3: Options menu 4: Help menu - 5: built-in popup menu and others as added by add-main-menu </pre> </td></tr><tr><td colspan=2 height=16></td></tr> @@ -11577,8 +11625,7 @@ as a list: 2: edit-menu 3: view-menu 4: options-menu - 5: help-menu, - 6: default popup menu + 5: help-menu </pre> See snd-motif.scm, snd-gtk.scm, kmenu.scm, and new-effects.scm for various examples. Manipulating menus can be tricky in both Motif and Gtk; if I were to try to explain @@ -11671,6 +11718,24 @@ This resets the listener cursor to the default pointer shape. </td></tr><tr><td colspan=2 height=16></td></tr> +<!-- save-as-dialog-auto-comment --> +<tr><td colspan=2 bgcolor="#f2f4ff"> +<code><a class=def name="saveasdialogautocomment">save-as-dialog-auto-comment</a></code> +</td></tr><tr><td></td><td> +This is the 'auto' button in the Save-as dialogs. If set, a comment is automatically +generated for the new file. +</td></tr><tr><td colspan=2 height=16></td></tr> + + +<!-- save-as-dialog-src --> +<tr><td colspan=2 bgcolor="#f2f4ff"> +<code><a class=def name="saveasdialogsrc">save-as-dialog-src</a></code> +</td></tr><tr><td></td><td> +This is the 'src' button in the Save-as dialogs. If set, sampling rate conversion +is performed if the output srate does not match the original srate. +</td></tr><tr><td colspan=2 height=16></td></tr> + + <!-- save-envelopes --> <tr><td colspan=2 bgcolor="#f2f4ff"> <code><a class=def name="saveenvelopes">save-envelopes</a> filename</code> @@ -11963,27 +12028,6 @@ add-source-file-extension adds 'ext' to the list of source file extensions. </td></tr><tr><td colspan=2 height=16></td></tr> -<!-- add-watcher --> -<tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="addwatcher">add-watcher</a> func</code> -</td></tr><tr><td><br></td><td> -add-watcher adds 'func' (a function of no arguments) to the watcher list, and -returns its id (an integer, used by <a href="#deletewatcher">delete-watcher</a>). Each watcher function is called whenever the current selection -changes, a sound is opened or closed or set read-only, a sound is selected, or a mark is changed. -effects-utils.scm (and the gtk version in gtk-effects-utils.scm) use this to make sure the -"DoIt" button is sensitive only when it can actually do something. In the simplest case, this -is: -<pre> - Motif: (add-watcher (lambda () - (XtSetSensitive - (XmMessageBoxGetChild new-dialog XmDIALOG_OK_BUTTON) - (not (null? (<a class=quiet href="#soundp" onmouseout="UnTip()" onmouseover="Tip(extsnd_soundp_tip)">sounds</a>)))))) - Gtk: (add-watcher (lambda () - (gtk_widget_set_sensitive ok-button (not (null? (<a class=quiet href="#soundp" onmouseout="UnTip()" onmouseover="Tip(extsnd_soundp_tip)">sounds</a>)))))) -</pre> -</td></tr><tr><td colspan=2 height=16></td></tr> - - <!-- bes-* --> <tr><td colspan=2 bgcolor="#f2f4ff"> <code><A class=def NAME="besj0">bes-j0</A> x</code><br> @@ -12159,7 +12203,6 @@ A similar set rebinds the arrow keys to give much more precise window position a (zoom-one-pixel (<a class=quiet href="#selectedsound" onmouseout="UnTip()" onmouseover="Tip(extsnd_selectedsound_tip)">selected-sound</a>) (<a class=quiet href="#selectedchannel" onmouseout="UnTip()" onmouseover="Tip(extsnd_selectedchannel_tip)">selected-channel</a>) #t))) </pre></td></tr></table> -Most of the predefined key definitions are given in <a href="snd.html#builtinkeys">Keyboard Commands</a>. The key bindings set by bind-key are active only when the active widget is a graph; when the listener is receiving key strokes, the underlying text widget interprets them itself (using Emacs as a vague guide). You can change the listener's interpretation in the following manner (this assumes you're using Motif and have the xm module loaded): @@ -12204,7 +12247,7 @@ in either Motif or Gtk: (let ((listener (list-ref (<a class=quiet href="#mainwidgets" onmouseout="UnTip()" onmouseover="Tip(extsnd_mainwidgets_tip)">main-widgets</a>) 4))) (g_signal_connect_closure_by_id (GPOINTER listener) - (g_signal_lookup "key_press_event" (G_OBJECT_TYPE (GTK_OBJECT listener))) + (g_signal_lookup "key_press_event" (G_OBJECT_TYPE (G_OBJECT listener))) 0 (g_cclosure_new (lambda (w event data) (let ((bits (.state (GDK_EVENT_KEY event))) @@ -12281,68 +12324,8 @@ exit back to the top level, (break-exit): <tr><td colspan=2 bgcolor="#f2f4ff"> <code><a class=def name="cgp">c-g?</a></code> </td></tr><tr><td></td><td> -This checks for C-g to interrupt an on-going computation, and let other UI -events through. c-g? is especially useful in loops; we can define our own safe 'while' loop as follows: - -<table border=0 cellpadding=5 vspace=10><tr><td><pre> -(defmacro safe-while (cond . body) - `(letrec ((break (lambda val (apply throw 'break val))) - (continue (lambda () (if (<em class=red>c-g?</em>) - (break 'interrupted) - (or (not ,cond) - (begin (begin ,@ body) - (continue))))))) - (catch 'break - (lambda () (continue)) - (lambda v (cadr v))))) -</pre></td></tr></table> - -Here's a version of "do" that is interruptible and continuable. c-g? provides -the interrupt, and call-with-current-continuation provides the continuation. -To continue running an interrupted do?, <code>(do-go-on)</code>. - -<table border=0 cellpadding=5 vspace=10><tr><td><pre> -(define do-go-on-continuation #f) -(define (do-go-on) - (if (continuation? do-go-on-continuation) ; a Snd function — should be provided by Scheme! - (do-go-on-continuation #f) - ";sorry! can't continue")) - -(defmacro do? (inits ends . body) - `(do ,inits - ((or (and ,(car ends) - (begin - (set! do-go-on-continuation #f) ; clear obsolete continuation - #t)) - (and (<em class=red>c-g?</em>) ; got C-g — set continuation - (call-with-current-continuation - (lambda (go-on) - (set! do-go-on-continuation go-on))))) - ,(and (not (null? (cdr ends))) - (cadr ends))) - ,@body)) -</pre></td></tr></table> - -See examp.scm and play.scm for other examples. -</td></tr><tr><td colspan=2 height=16></td></tr> - - -<!-- c-g! --> -<tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="cgx">c-g!</a></code> -</td></tr><tr><td></td><td> -This simulates typing C-g. It is intended for use with <a href="#bindkey">bind-key</a> to remap C-g. -If you use it in some other situation (a hook for example), there are annoying problems with clearing -the "I've been interrupted" flags. Probably the safest thing is to call (c-g?) after the interruption -has taken effect. -</td></tr><tr><td colspan=2 height=16></td></tr> - - -<!-- delete-watcher --> -<tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="deletewatcher">delete-watcher</a> id</code> -</td></tr><tr><td width=30><br></td><td> -delete-watcher removes from the watcher list the function associated with id. +This checks for C-g to interrupt an on-going computation, and lets other UI +events through. It is obsolete in s7. </td></tr><tr><td colspan=2 height=16></td></tr> @@ -12378,6 +12361,7 @@ fmod is mod with float arguments: ><em class=typing>(fmod 2.5 1.4)</em> <em class=listener>1.1</em> </pre> +In Scheme, it is a synonym for modulo. </td></tr><tr><td colspan=2 height=16></td></tr> @@ -12553,9 +12537,7 @@ To go to the HTML documentation for a given object, load <a href="sndscm.html#indexdoc">index.scm</a> and use the html function. <br><br> Normally snd-help adds carriage-returns to fit the current size of the listener; to -get the raw string instead, set the argument 'formatted' to #f (or use s7's help function). click-for-listener-help -in draw.scm uses this to put off formatting the help string until the help dialog (rather than -the listener) gets it. +get the raw string instead, set the argument 'formatted' to #f (or use s7's help function). </td></tr><tr><td colspan=2 height=16></td></tr> @@ -12574,7 +12556,6 @@ refer to it directly, not as a procedure call. Say we have a sound file "now.sn and we want it to use the grid-graph whenever it is viewed. We make "now.snd.scm" and put in it: <code>(set! (show-grid *snd-opened-sound*) #t)</code>. When "now.snd" is opened, "now.snd.scm" is loaded automatically with *snd-opened-sound* holding the sound object of "now.snd". -There are other fancier ways to do this (e.g. <a href="sndscm.html#remembersoundstate">remember-sound-state</a>). </td></tr><tr><td colspan=2 height=16></td></tr> @@ -12834,10 +12815,6 @@ throws the error 'no-such-file:</p> debuggers to exit the current context, returning up a level in the stack of listeners. Normally that means you jump out of a breakpoint or whatever and find yourself back at the top level. <code>(throw 'snd-top-level)</code>. -This catch is also the target of the SIGUSR1 signal, so if you're caught in an infinite -loop and Snd won't respond to C-g or anything else, go to a shell, get the Snd -process number ("PID" in the 'ps au' printout), then: kill -10 6141. SIGUSR1 is -signal 10, and we're using the kill program to send that signal to Snd (process 6141 in our example). </p> <br> @@ -12931,63 +12908,87 @@ are:</p> <table border=2 bordercolor="#f2f4ff" cellpadding=6 hspace=10><tr><td> <table border=0 cellpadding=0 cellspacing=0 hspace=20> -<tr><td><code><a class=def name="axiscolor">axis-color</a></code></td><td width=20></td> - <td><code>defaults to current data color</code></td><td width=20></td> - <td>color of axes</td></tr> -<tr><td><code><a class=def name="basiccolor">basic-color</a></code></td><td width=20></td> - <td><code>ivory2</code></td><td width=20></td> + +<tr><td bgcolor="#f2f4ff"><code><a class=def name="axiscolor">axis-color</a></code></td><td width=20 bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff"><code>defaults to current data color</code></td><td width=20 bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff">color of axes</td></tr> + +<tr><td><code><a class=def name="basiccolor">basic-color</a></code></td><td></td> + <td><code>ivory2</code></td><td></td> <td>main Snd color.</td></tr> -<tr><td bgcolor="#f2f4ff"><code><a class=def name="cursorcolor">cursor-color</a></code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff"><code>red</code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff">graph cursor color.</td></tr> -<tr><td><code><a class=def name="datacolor">data-color</a></code></td><td></td> - <td><code>black</code></td><td></td> - <td>color of data in unselected graph.</td></tr> -<tr><td bgcolor="#f2f4ff"><code><em class=emdef>enved-waveform-color</em></code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff"><code>blue</code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff">color of waveform displayed in envelope editor.</td></tr> -<tr><td><code><em class=emdef>filter-control-waveform-color</em></code></td><td></td> + +<tr><td bgcolor="#f2f4ff"><code><a class=def name="combineddatacolor">combined-data-color</a></code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff"><code>depends on channel number</code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff">color of channel data if channels-combined</td></tr> + +<tr><td><code><a class=def name="cursorcolor">cursor-color</a></code></td><td></td> + <td><code>red</code></td><td></td> + <td>graph cursor color.</td></tr> + +<tr><td bgcolor="#f2f4ff"><code><a class=def name="datacolor">data-color</a></code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff"><code>black</code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff">color of data in unselected graph.</td></tr> + +<tr><td><code><em class=emdef>enved-waveform-color</em></code></td><td></td> <td><code>blue</code></td><td></td> - <td>color of control panel filter waveform.</td></tr> -<tr><td bgcolor="#f2f4ff"><code><a class=def name="graphcolor">graph-color</a></code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff"><code>white</code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff">background color of unselected graph.</td></tr> + <td>color of waveform displayed in envelope editor.</td></tr> + +<tr><td bgcolor="#f2f4ff"><code><em class=emdef>filter-control-waveform-color</em></code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff"><code>blue</code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff">color of control panel filter waveform.</td></tr> + +<tr><td><code><a class=def name="graphcolor">graph-color</a></code></td><td></td> + <td><code>white</code></td><td></td> + <td>background color of unselected graph.</td></tr> + <tr><td bgcolor="#f2f4ff"><code><a class=def name="highlightcolor">highlight-color</a></code></td><td bgcolor="#f2f4ff"></td> <td bgcolor="#f2f4ff"><code>ivory1</code></td><td bgcolor="#f2f4ff"></td> <td bgcolor="#f2f4ff">highlighting color.</td></tr> + <tr><td><code><em class=emdef>listener-color</em></code></td><td></td> <td><code>aliceblue</code></td><td></td> <td>background color of listener.</td></tr> + <tr><td bgcolor="#f2f4ff"><code><em class=emdef>listener-text-color</em></code></td><td bgcolor="#f2f4ff"></td> <td bgcolor="#f2f4ff"><code>black</code></td><td bgcolor="#f2f4ff"></td> <td bgcolor="#f2f4ff">text color in listener.</td></tr> + <tr><td><code><a class=def name="markcolor">mark-color</a></code></td><td></td> <td><code>red</code></td><td></td> <td>color of mark indicator.</td></tr> + <tr><td bgcolor="#f2f4ff"><code><em class=emdef>mix-color</em></code></td><td bgcolor="#f2f4ff"></td> <td bgcolor="#f2f4ff"><code>darkgray</code></td><td bgcolor="#f2f4ff"></td> <td bgcolor="#f2f4ff">color of mix waveforms.</td></tr> + <tr><td><code><a class=def name="positioncolor">position-color</a></code></td><td></td> <td><code>ivory3</code></td><td></td> <td>position slider color</td></tr> -<tr><td><code><a class=def name="sashcolor">sash-color</a></code></td><td></td> - <td><code>lightgreen</code></td><td></td> - <td>color of paned window sashes.</td></tr> -<tr><td bgcolor="#f2f4ff"><code><a class=def name="selecteddatacolor">selected-data-color</a></code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff"><code>black</code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff">color of data in currently selected graph.</td></tr> -<tr><td><code><a class=def name="selectedgraphcolor">selected-graph-color</a></code></td><td></td> - <td><code>white</code></td><td></td> - <td>background color of currently selected graph.</td></tr> -<tr><td bgcolor="#f2f4ff"><code><a class=def name="selectioncolor">selection-color</a></code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff"><code>lightsteelblue1</code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff">color of selected portion of graph.</td></tr> -<tr><td><code><a class=def name="textfocuscolor">text-focus-color</a></code></td><td></td> - <td><code>white</code></td><td></td> - <td>color of text field when it has focus.</td></tr> -<tr><td bgcolor="#f2f4ff"><code><a class=def name="zoomcolor">zoom-color</a></code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff"><code>ivory4</code></td><td bgcolor="#f2f4ff"></td> - <td bgcolor="#f2f4ff">zoom slider color.</td></tr> + +<tr><td bgcolor="#f2f4ff"><code><a class=def name="sashcolor">sash-color</a></code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff"><code>lightgreen</code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff">color of paned window sashes.</td></tr> + +<tr><td><code><a class=def name="selecteddatacolor">selected-data-color</a></code></td><td></td> + <td><code>black</code></td><td></td> + <td>color of data in currently selected graph.</td></tr> + +<tr><td bgcolor="#f2f4ff"><code><a class=def name="selectedgraphcolor">selected-graph-color</a></code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff"><code>white</code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff">background color of currently selected graph.</td></tr> + +<tr><td><code><a class=def name="selectioncolor">selection-color</a></code></td><td></td> + <td><code>lightsteelblue1</code></td><td></td> + <td>color of selected portion of graph.</td></tr> + +<tr><td bgcolor="#f2f4ff"><code><a class=def name="textfocuscolor">text-focus-color</a></code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff"><code>white</code></td><td bgcolor="#f2f4ff"></td> + <td bgcolor="#f2f4ff">color of text field when it has focus.</td></tr> + +<tr><td><code><a class=def name="zoomcolor">zoom-color</a></code></td><td></td> + <td><code>ivory4</code></td><td></td> + <td>zoom slider color.</td></tr> + </table> </td></tr></table> @@ -13014,11 +13015,15 @@ are:</p> set_selected_data_color blue </pre> +<p>combined-data-color is slightly special. It takes two arguments, the sound and channel number, and applies to the +channel's data only if the graphs are superimposed, when <a href="#channelstyle">channel-style</a> is <code>channels-combined</code>. +</p> + + <!-- INDEX colors:Colors --> <TABLE border=3 bordercolor="tan" hspace=40 vspace=10><tr><td> <blockquote><small><br> Other color-related stuff:<br> -X/Motif color resources: <a href="grfsnd.html#sndresources">Snd Resources</a><br> Color names: <a href="sndscm.html#rgbdoc">rgb.scm, rgb.rb</a><br> colors in the file dialogs: install-searcher-with-colors in snd-motif.scm<br> color-orientation-dialog: <a href="#colororientationdialog">color-orientation-dialog</a><br> @@ -13076,11 +13081,6 @@ If the requested font can't be loaded, the set! statement returns the old (uncha <table width="60%" border=0><tr><td bgcolor="lightgreen" valign="middle"><h4><A NAME="graphics">Graphics</a></h4></td></tr></table> -<p>It is possible to draw directly on any of the channel graphs. Examples include the -<a href="#showoriginal">show-original</a> after-graph-hook function, and the -<a href="#xcursor">x-cursor</a> function that draws an "x" shaped cursor. -</p> - <!-- -------------------------------- GRAPHICS -------------------------------- --> <table border=0 cellspacing=4 cellpadding=6 hspace=10> @@ -13197,25 +13197,6 @@ If the colormap is inverted, the order of colors is reversed. color-scale reflects the darkness setting in the View:<a href="snd.html#colorbrowser">Color/Orientation</a> dialog. The mapping between the slider in the dialog and the color-scale value is not linear, and is currently different in Gtk and Motif. -The color chooser function in <a href="#timegraphhook">time-graph-hook</a> can use -<a href="#colorinverted">color-inverted</a> -and color-scale to drive colormap choices: - -<pre> - (add-hook! <a class=quiet href="#timegraphhook">time-graph-hook</a> - (lambda (snd chn) - (apply <a class=quiet href="#makecolor">make-color</a> (<a class=quiet href="#colormapref">colormap-ref</a> - (<a class=quiet href="#colormap">colormap</a>) - (let ((x (if (<em class=red>color-inverted</em>) - (/ chn n) ; n = total chans in this case - (/ (- n chn) n))) - (base (<em class=red>color-scale</em>))) - (if (= base 1.0) - x - (/ (- (expt base x) 1.0) - (- base 1.0)))))))) -</pre> - </td></tr><tr><td colspan=2 height=16></td></tr> @@ -13287,7 +13268,6 @@ This is the graphics mode (an integer in Snd, not a function) to use to draw ove The "contexts" refer to graphics contexts used throughout Snd; the <code>copy-context</code> copies into the current graph, whereas the <code>cursor-context</code> uses XOR. The error thrown for an unimplemented context is 'no-such-graphics-context. -See draw.scm or <a href="#displaysampsinred">display-samps-in-red</a>. </td></tr><tr><td colspan=2 height=16></td></tr> @@ -13319,12 +13299,13 @@ delete-colormap deletes the memory associated with the given colormap. <!-- draw-axes --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="drawaxes">draw-axes</a> <em class=narg>wid gc label x0 x1 y0 y1 style axes</em></code> +<code><a class=def name="drawaxes">draw-axes</a> wid gc label x0 x1 y0 y1 style axes cr</code> </td></tr><tr><td width=30></td><td> This draws axes in the widget 'wid', using the graphics context 'gc', with the x-axis label 'label' going from 'x0' to 'x1' (floats) along the x axis, 'y0' to 'y1' along the y axis, with x-axis-style 'style' (<code>x-axis-in-seconds</code> etc). Whether axes are actually displayed or just implied -depends on 'axes', which defaults to <code>show-all-axes</code>. +depends on 'axes', which defaults to <code>show-all-axes</code>. In Gtk, the cairo_t 'cr' argument is not optional; +it is ignored in Motif. draw-axes returns a list of the actual (pixel) axis bounds. See the scanned-synthesis display code in snd-motif.scm, or the local envelope editor code in xm-enved.scm. @@ -13333,7 +13314,7 @@ or the local envelope editor code in xm-enved.scm. <!-- draw-dot --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="drawdot">draw-dot</a> x0 y0 <em class=narg>dot-size snd chn context</em></code> +<code><a class=def name="drawdot">draw-dot</a> x0 y0 dot-size snd chn context cr</code> </td></tr><tr><td width=30></td><td> This draws a dot at ('x0 y0') of diameter 'dot-size' pixels in the specified context. See musglyphs.scm. </td></tr><tr><td colspan=2 height=16></td></tr> @@ -13341,7 +13322,7 @@ This draws a dot at ('x0 y0') of diameter 'dot-size' pixels in the specified con <!-- draw-dots --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="drawdots">draw-dots</a> positions <em class=narg>dot-size snd chn context</em></code> +<code><a class=def name="drawdots">draw-dots</a> positions dot-size snd chn context cr</code> </td></tr><tr><td></td><td> This draws dots of size 'dot-size' from the (x y) pairs in the vector 'positions' in the specified context. draw-dots, draw-lines, and fill-polygon take vectors, rather than vcts (which would be more consistent @@ -13351,7 +13332,7 @@ with the rest of Snd) because the values passed are supposed to be short ints. <!-- draw-line --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="drawline">draw-line</a> x0 y0 x1 y1 <em class=narg>snd chn context</em></code> +<code><a class=def name="drawline">draw-line</a> x0 y0 x1 y1 snd chn context cr</code> </td></tr><tr><td></td><td> This draws a line from ('x0 y0') to ('x1 y1') in the specified context. </td></tr><tr><td colspan=2 height=16></td></tr> @@ -13359,7 +13340,7 @@ This draws a line from ('x0 y0') to ('x1 y1') in the specified context. <!-- draw-lines --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="drawlines">draw-lines</a> lines <em class=narg>snd chn context</em></code> +<code><a class=def name="drawlines">draw-lines</a> lines snd chn context cr</code> </td></tr><tr><td></td><td> This draws lines following the (x y) pairs in the vector 'lines' in the specified context. make-bezier-1 in <a href="sndscm.html#musglyphs">musglyphs.scm</a> can be used to draw Bezier curves. @@ -13368,7 +13349,7 @@ make-bezier-1 in <a href="sndscm.html#musglyphs">musglyphs.scm</a> can be used t <!-- draw-string --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="drawstring">draw-string</a> text x0 y0 <em class=narg>snd chn context</em></code> +<code><a class=def name="drawstring">draw-string</a> text x0 y0 snd chn context cr</code> </td></tr><tr><td></td><td> This draws a string ('text') in the current font and foreground color starting at ('x0 y0') in the specified context. The next procedures use the channel-property list to maintain a list @@ -13396,34 +13377,36 @@ currently in the time-domain graph: (if (and (< ls samp) (> rs samp)) (let ((xpos (<a class=quiet href="#xtoposition" onmouseout="UnTip()" onmouseover="Tip(extsnd_xtoposition_tip)">x->position</a> (/ samp (<a class=quiet href="#srate" onmouseout="UnTip()" onmouseover="Tip(extsnd_srate_tip)">srate</a>)))) - (ypos (<a class=quiet href="#ytoposition" onmouseout="UnTip()" onmouseover="Tip(extsnd_ytoposition_tip)">y->position</a> (<a class=quiet href="#sample" onmouseout="UnTip()" onmouseover="Tip(extsnd_sample_tip)">sample</a> samp)))) - (<a class=quiet href="#drawline" onmouseout="UnTip()" onmouseover="Tip(extsnd_drawline_tip)">draw-line</a> xpos 20 xpos (- ypos 4)) - (<em class=red>draw-string</em> text (- xpos (/ text-width 2)) 18))))) + (ypos (<a class=quiet href="#ytoposition" onmouseout="UnTip()" onmouseover="Tip(extsnd_ytoposition_tip)">y->position</a> (<a class=quiet href="#sample" onmouseout="UnTip()" onmouseover="Tip(extsnd_sample_tip)">sample</a> samp))) + (cr (make-cairo (car (channel-widgets snd chn))))) + (<a class=quiet href="#drawline" onmouseout="UnTip()" onmouseover="Tip(extsnd_drawline_tip)">draw-line</a> xpos 20 xpos (- ypos 4) snd chn time-graph cr) + (<em class=red>draw-string</em> text (- xpos (/ text-width 2)) 18 snd chn time-graph cr) + (free-cairo cr))))) comments))) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#aftergraphhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_aftergraphhook_tip)">after-graph-hook</a> show-comments) +(hook-push <a class=quiet href="#aftergraphhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_aftergraphhook_tip)">after-graph-hook</a> show-comments) </pre></td></tr></table> </td></tr><tr><td colspan=2 height=16></td></tr> <!-- fill-rectangle --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="fillrectangle">fill-rectangle</a> x0 y0 width height <em class=narg>snd chn context erase</em></code> +<code><a class=def name="fillrectangle">fill-rectangle</a> x0 y0 width height snd chn context erase cr</code> </td></tr><tr><td></td><td> This draws a filled rectangle in the current foreground color from ('x0 y0') of size ('width height'). If 'erase' is #t, this function erases the rectangular area. -See draw.scm, snd-motif.scm, or <a href="#showoriginal">show-original</a>. +See draw.scm and snd-motif.scm. </td></tr><tr><td colspan=2 height=16></td></tr> <!-- fill-polygon --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="fillpolygon">fill-polygon</a> points <em class=narg>snd chn context</em></code> +<code><a class=def name="fillpolygon">fill-polygon</a> points snd chn context cr</code> </td></tr><tr><td></td><td> This draws a filled polygon whose vertices are in the vector 'points'. <table border=0 cellpadding=5 vspace=10><tr><td><pre> -(define (-> x0 y0 size snd chn) +(define (-> x0 y0 size snd chn cr) "draw an arrow pointing (from the left) at the point (x0 y0)" (let ((points (make-vector 8))) (define (point i x y) @@ -13434,13 +13417,13 @@ This draws a filled polygon whose vertices are in the vector 'points'. (point 1 (- x (* 2 size)) (- y size)) (point 2 (- x (* 2 size)) (+ y size)) (point 3 x y) - (<em class=red>fill-polygon</em> points snd chn)) + (<em class=red>fill-polygon</em> points snd chn time-graph cr)) (arrow-head x0 y0) (<a class=quiet href="#fillrectangle" onmouseout="UnTip()" onmouseover="Tip(extsnd_fillrectangle_tip)">fill-rectangle</a> (- x0 (* 4 size)) (floor (- y0 (* .4 size))) (* 2 size) (floor (* .8 size)) - snd chn))) + snd chn time-graph #f cr))) </pre></td></tr></table> musglyphs.scm has some elaborate examples that use fill-polygon to draw music notation symbols. @@ -13470,55 +13453,17 @@ The <a href="sndscm.html#startwaterfall">waterfall</a> function in snd-gl.scm us <!-- graph-data --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="graphdata">graph-data</a> data <em class=narg>snd chn context low high graphics-style</em></code> +<code><a class=def name="graphdata">graph-data</a> data snd chn context low high graphics-style cr</code> </td></tr><tr><td></td><td> +<p> graph-data displays 'data' in the time domain graph of the sound's channel 'chn' using the graphics context 'context' (normally <code>copy-context</code>), placing the data in the recipient's graph between points 'low' and 'high' in the drawing mode 'graphics-style'. With this function and make-graph-data, we can overlay sounds, overlay different versions of the same sound, place a portion of a -sound over another at an arbitrary point, and so on (see draw.scm): - -<table border=0 cellpadding=5 vspace=10><tr><td><pre> -(define (<A NAME="displaysampsinred">display-samps-in-red</A> snd chn) - "display samples 1000 to 2000 in red whenever they're in the current view" - (let ((left (<a class=quiet href="#leftsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_leftsample_tip)">left-sample</a> snd chn)) - (right (<a class=quiet href="#rightsample" onmouseout="UnTip()" onmouseover="Tip(extsnd_rightsample_tip)">right-sample</a> snd chn)) - (old-color (<a class=quiet href="#foregroundcolor" onmouseout="UnTip()" onmouseover="Tip(extsnd_foregroundcolor_tip)">foreground-color</a> snd chn)) - (red (<a class=quiet href="#makecolor" onmouseout="UnTip()" onmouseover="Tip(extsnd_makecolor_tip)">make-color</a> 1 0 0))) - (if (and (< left 2000) - (> right 1000)) - (let* ((data (<em class=red>make-graph-data</em> snd chn))) - (if (<a class=quiet href="#vctp" onmouseout="UnTip()" onmouseover="Tip(extsnd_vctp_tip)">vct?</a> data) ;the simple, one-sided graph case - (let* ((samps (- (min right 2000) - (max left 1000))) - (offset (max 0 (- 1000 left))) - (new-data (<a class=quiet href="#vctsubseq" onmouseout="UnTip()" onmouseover="Tip(extsnd_vctsubseq_tip)">vct-subseq</a> data offset (+ offset samps)))) - (set! (<a class=quiet href="#foregroundcolor" onmouseout="UnTip()" onmouseover="Tip(extsnd_foregroundcolor_tip)">foreground-color</a> snd chn) red) - (<em class=red>graph-data</em> new-data snd chn <a class=quiet href="#copycontext" onmouseout="UnTip()" onmouseover="Tip(extsnd_copycontext_tip)">copy-context</a> (max 1000 left) (min 2000 right)) - (set! (<a class=quiet href="#foregroundcolor" onmouseout="UnTip()" onmouseover="Tip(extsnd_foregroundcolor_tip)">foreground-color</a> snd chn) old-color)) - (let* ((low-data (car data)) ;the two-sided envelope graph case - (high-data (cadr data)) - ;; we need to place the red portion correctly in the current graph - ;; so the following is getting the "bin" numbers associated with - ;; samples 1000 and 2000 - (size (length low-data)) - (samps (- right left)) - (left-offset (max 0 (- 1000 left))) - (left-bin (round (/ (* size left-offset) samps))) - (right-offset (- (min 2000 right) left)) - (right-bin (round (/ (* size right-offset) samps))) - (new-low-data (<a class=quiet href="#vctsubseq" onmouseout="UnTip()" onmouseover="Tip(extsnd_vctsubseq_tip)">vct-subseq</a> low-data left-bin right-bin)) - (new-high-data (<a class=quiet href="#vctsubseq" onmouseout="UnTip()" onmouseover="Tip(extsnd_vctsubseq_tip)">vct-subseq</a> high-data left-bin right-bin))) - (set! (<a class=quiet href="#foregroundcolor" onmouseout="UnTip()" onmouseover="Tip(extsnd_foregroundcolor_tip)">foreground-color</a> snd chn) red) - (<em class=red>graph-data</em> - (list new-low-data new-high-data) snd chn <a class=quiet href="#copycontext" onmouseout="UnTip()" onmouseover="Tip(extsnd_copycontext_tip)">copy-context</a> left-bin right-bin) - (set! (<a class=quiet href="#foregroundcolor" onmouseout="UnTip()" onmouseover="Tip(extsnd_foregroundcolor_tip)">foreground-color</a> snd chn) old-color))))))) - -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#aftergraphhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_aftergraphhook_tip)">after-graph-hook</a> display-samps-in-red) -</pre></td></tr></table></td></tr> -<tr><td></td><td> +sound over another at an arbitrary point, and so on (see draw.scm). +</p> <img src="pix/redsamps.png" alt="red samples" hspace=20> @@ -13534,7 +13479,7 @@ This function returns the colormap corresponding to a given integer. <!-- make-color --> <tr><td colspan=2 bgcolor="#f2f4ff"> -<code><a class=def name="makecolor">make-color</a> red green blue</code> +<code><a class=def name="makecolor">make-color</a> red green blue (alpha 1.0)</code> </td></tr><tr><td></td><td> make-color returns a color object using the rgb values 'red', 'green', and 'blue'. Each argument is a float between 0.0 (none of that color) and 1.0 (full value for that color). So, @@ -13543,6 +13488,7 @@ is a float between 0.0 (none of that color) and 1.0 (full value for that color). </pre> returns a red color object. Two colors are equal (i.e. equal? returns #t) if their rgb values are the same. +The 'alpha' argument only matters in Gtk. </td></tr><tr><td colspan=2 height=16></td></tr> @@ -13582,7 +13528,7 @@ The result can be used in the lisp graph: 0.0 60.0 snd chn)))))) -(<a class=quiet onmouseout="UnTip()" onmouseover="Tip(scheme_add_hook_tip)">add-hook!</a> <a class=quiet href="#lispgraphhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_lispgraphhook_tip)">lisp-graph-hook</a> display-db) +(hook-push <a class=quiet href="#lispgraphhook" onmouseout="UnTip()" onmouseover="Tip(extsnd_lispgraphhook_tip)">lisp-graph-hook</a> display-db) </pre> </td></tr></table> @@ -13684,7 +13630,7 @@ snd-gcs returns a list of Snd's graphics contexts: 14: bg=basic-color, fg=filter-waveform-color </pre> These graphics-contexts make it easier to fit in with whatever color scheme is currently in use. For example, -in snd-motif.xm's SMPTE time display, we make sure the font color reflects whether we're in the selected channel: +in to make sure the font color reflects whether we're in the selected channel: <pre> (XSetFont dpy (if (= chn (<a class=quiet href="#selectedsound" onmouseout="UnTip()" onmouseover="Tip(extsnd_selectedsound_tip)">selected-channel</a> snd)) |