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-rw-r--r--src/Fl_Bitmap.cxx131
1 files changed, 66 insertions, 65 deletions
diff --git a/src/Fl_Bitmap.cxx b/src/Fl_Bitmap.cxx
index 01fb41a..67a2905 100644
--- a/src/Fl_Bitmap.cxx
+++ b/src/Fl_Bitmap.cxx
@@ -1,5 +1,5 @@
//
-// "$Id: Fl_Bitmap.cxx 9293 2012-03-18 18:48:29Z manolo $"
+// "$Id: Fl_Bitmap.cxx 10132 2014-04-28 09:17:12Z manolo $"
//
// Bitmap drawing routines for the Fast Light Tool Kit (FLTK).
//
@@ -243,35 +243,39 @@ void Fl_Bitmap::draw(int XP, int YP, int WP, int HP, int cx, int cy) {
fl_graphics_driver->draw(this, XP, YP, WP, HP, cx, cy);
}
-static int start(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int w, int h, int &cx, int &cy,
+int Fl_Bitmap::start(int XP, int YP, int WP, int HP, int &cx, int &cy,
int &X, int &Y, int &W, int &H)
{
+ if (!array) {
+ draw_empty(XP, YP);
+ return 1;
+ }
// account for current clip region (faster on Irix):
fl_clip_box(XP,YP,WP,HP,X,Y,W,H);
cx += X-XP; cy += Y-YP;
// clip the box down to the size of image, quit if empty:
if (cx < 0) {W += cx; X -= cx; cx = 0;}
- if (cx+W > w) W = w-cx;
+ if (cx+W > w()) W = w()-cx;
if (W <= 0) return 1;
if (cy < 0) {H += cy; Y -= cy; cy = 0;}
- if (cy+H > h) H = h-cy;
+ if (cy+H > h()) H = h()-cy;
if (H <= 0) return 1;
+#if defined(WIN32)
+ if (!id_) id_ = fl_create_bitmap(w(), h(), array);
+#else
+ if (!id_) id_ = fl_create_bitmask(w(), h(), array);
+#endif
return 0;
}
#ifdef __APPLE__
void Fl_Quartz_Graphics_Driver::draw(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) {
int X, Y, W, H;
- if (!bm->array) {
- bm->draw_empty(XP, YP);
+ if (bm->start(XP, YP, WP, HP, cx, cy, X, Y, W, H)) {
return;
}
- if (start(bm, XP, YP, WP, HP, bm->w(), bm->h(), cx, cy, X, Y, W, H)) {
- return;
- }
- if (!bm->id_) bm->id_ = fl_create_bitmask(bm->w(), bm->h(), bm->array);
if (bm->id_ && fl_gc) {
- CGRect rect = { { X, Y }, { W, H } };
+ CGRect rect = { { (CGFloat)X, (CGFloat)Y }, { (CGFloat)W, (CGFloat)H } };
Fl_X::q_begin_image(rect, cx, cy, bm->w(), bm->h());
CGContextDrawImage(fl_gc, rect, (CGImageRef)bm->id_);
Fl_X::q_end_image();
@@ -281,60 +285,62 @@ void Fl_Quartz_Graphics_Driver::draw(Fl_Bitmap *bm, int XP, int YP, int WP, int
#elif defined(WIN32)
void Fl_GDI_Graphics_Driver::draw(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) {
int X, Y, W, H;
- if (!bm->array) {
- bm->draw_empty(XP, YP);
+ if (bm->start(XP, YP, WP, HP, cx, cy, X, Y, W, H)) {
return;
}
- if (start(bm, XP, YP, WP, HP, bm->w(), bm->h(), cx, cy, X, Y, W, H)) {
+
+ HDC tempdc = CreateCompatibleDC(fl_gc);
+ int save = SaveDC(tempdc);
+ SelectObject(tempdc, (HGDIOBJ)bm->id_);
+ SelectObject(fl_gc, fl_brush());
+ // secret bitblt code found in old MSWindows reference manual:
+ BitBlt(fl_gc, X, Y, W, H, tempdc, cx, cy, 0xE20746L);
+ RestoreDC(tempdc, save);
+ DeleteDC(tempdc);
+}
+
+void Fl_GDI_Printer_Graphics_Driver::draw(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) {
+ int X, Y, W, H;
+ typedef BOOL (WINAPI* fl_transp_func) (HDC,int,int,int,int,HDC,int,int,int,int,UINT);
+ static fl_transp_func fl_TransparentBlt = NULL;
+ static HMODULE hMod = NULL;
+ if (!hMod) {
+ hMod = LoadLibrary("MSIMG32.DLL");
+ if (hMod) fl_TransparentBlt = (fl_transp_func)GetProcAddress(hMod, "TransparentBlt");
+ }
+ if (!fl_TransparentBlt) {
+ Fl_GDI_Graphics_Driver::draw(bm, XP, YP, WP, HP, cx, cy);
+ return;
+ }
+ if (bm->start(XP, YP, WP, HP, cx, cy, X, Y, W, H)) {
return;
}
- if (!bm->id_) bm->id_ = fl_create_bitmap(bm->w(), bm->h(), bm->array);
- typedef BOOL (WINAPI* fl_transp_func) (HDC,int,int,int,int,HDC,int,int,int,int,UINT);
- static fl_transp_func fl_TransparentBlt;
HDC tempdc;
int save;
- BOOL use_print_algo = false;
- if (Fl_Surface_Device::surface() != Fl_Display_Device::display_device()) {
- static HMODULE hMod = NULL;
- if (!hMod) {
- hMod = LoadLibrary("MSIMG32.DLL");
- if (hMod) fl_TransparentBlt = (fl_transp_func)GetProcAddress(hMod, "TransparentBlt");
- }
- if (fl_TransparentBlt) use_print_algo = true;
- }
- if (use_print_algo) { // algorithm for bitmap output to Fl_GDI_Printer
- Fl_Color save_c = fl_color(); // save bitmap's desired color
- uchar r, g, b;
- Fl::get_color(save_c, r, g, b);
- r = 255-r;
- g = 255-g;
- b = 255-b;
- Fl_Color background = fl_rgb_color(r, g, b); // a color very different from the bitmap's
- Fl_Offscreen tmp_id = fl_create_offscreen(W, H);
- fl_begin_offscreen(tmp_id);
- fl_color(background);
- fl_rectf(0,0,W,H); // use this color as offscreen background
- fl_color(save_c); // back to bitmap's color
- tempdc = CreateCompatibleDC(fl_gc);
- save = SaveDC(tempdc);
- SelectObject(tempdc, (HGDIOBJ)bm->id_);
- SelectObject(fl_gc, fl_brush()); // use bitmap's desired color
- BitBlt(fl_gc, 0, 0, W, H, tempdc, 0, 0, 0xE20746L); // draw bitmap to offscreen
- fl_end_offscreen(); // offscreen data is in tmp_id
- SelectObject(tempdc, (HGDIOBJ)tmp_id); // use offscreen data
- // draw it to printer context with background color as transparent
- fl_TransparentBlt(fl_gc, X,Y,W,H, tempdc, cx, cy, bm->w(), bm->h(), RGB(r, g, b) );
- fl_delete_offscreen(tmp_id);
- }
- else { // algorithm for bitmap output to display
- tempdc = CreateCompatibleDC(fl_gc);
- save = SaveDC(tempdc);
- SelectObject(tempdc, (HGDIOBJ)bm->id_);
- SelectObject(fl_gc, fl_brush());
- // secret bitblt code found in old MSWindows reference manual:
- BitBlt(fl_gc, X, Y, W, H, tempdc, cx, cy, 0xE20746L);
- }
+ // algorithm for bitmap output to Fl_GDI_Printer
+ Fl_Color save_c = fl_color(); // save bitmap's desired color
+ uchar r, g, b;
+ Fl::get_color(save_c, r, g, b);
+ r = 255-r;
+ g = 255-g;
+ b = 255-b;
+ Fl_Color background = fl_rgb_color(r, g, b); // a color very different from the bitmap's
+ Fl_Offscreen tmp_id = fl_create_offscreen(W, H);
+ fl_begin_offscreen(tmp_id);
+ fl_color(background);
+ fl_rectf(0,0,W,H); // use this color as offscreen background
+ fl_color(save_c); // back to bitmap's color
+ tempdc = CreateCompatibleDC(fl_gc);
+ save = SaveDC(tempdc);
+ SelectObject(tempdc, (HGDIOBJ)bm->id_);
+ SelectObject(fl_gc, fl_brush()); // use bitmap's desired color
+ BitBlt(fl_gc, 0, 0, W, H, tempdc, 0, 0, 0xE20746L); // draw bitmap to offscreen
+ fl_end_offscreen(); // offscreen data is in tmp_id
+ SelectObject(tempdc, (HGDIOBJ)tmp_id); // use offscreen data
+ // draw it to printer context with background color as transparent
+ fl_TransparentBlt(fl_gc, X,Y,W,H, tempdc, cx, cy, bm->w(), bm->h(), RGB(r, g, b) );
+ fl_delete_offscreen(tmp_id);
RestoreDC(tempdc, save);
DeleteDC(tempdc);
}
@@ -342,14 +348,9 @@ void Fl_GDI_Graphics_Driver::draw(Fl_Bitmap *bm, int XP, int YP, int WP, int HP,
#else // Xlib
void Fl_Xlib_Graphics_Driver::draw(Fl_Bitmap *bm, int XP, int YP, int WP, int HP, int cx, int cy) {
int X, Y, W, H;
- if (!bm->array) {
- bm->draw_empty(XP, YP);
- return;
- }
- if (start(bm, XP, YP, WP, HP, bm->w(), bm->h(), cx, cy, X, Y, W, H)) {
+ if (bm->start(XP, YP, WP, HP, cx, cy, X, Y, W, H)) {
return;
}
- if (!bm->id_) bm->id_ = fl_create_bitmask(bm->w(), bm->h(), bm->array);
XSetStipple(fl_display, fl_gc, bm->id_);
int ox = X-cx; if (ox < 0) ox += bm->w();
@@ -469,5 +470,5 @@ Fl_Image *Fl_Bitmap::copy(int W, int H) {
//
-// End of "$Id: Fl_Bitmap.cxx 9293 2012-03-18 18:48:29Z manolo $".
+// End of "$Id: Fl_Bitmap.cxx 10132 2014-04-28 09:17:12Z manolo $".
//
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 11:10:03 +0000