Load cups into easysw/current.

git-svn-id: svn+ssh://src.apple.com/svn/cups/easysw/current@2 a1ca3aef-8c08-0410-bb20-df032aa958be

1 files changed, 454 insertions, 0 deletions

diff --git a/filter/hpgl-attr.c b/filter/hpgl-attr.c
new file mode 100644
index 000000000..5a645c1cb
--- /dev/null
+++ b/filter/hpgl-attr.c
@@ -0,0 +1,454 @@
+/*
+ * "$Id: hpgl-attr.c 4494 2005-02-18 02:18:11Z mike $"
+ *
+ *   HP-GL/2 attribute processing for the Common UNIX Printing System (CUPS).
+ *
+ *   Copyright 1993-2005 by Easy Software Products.
+ *
+ *   These coded instructions, statements, and computer programs are the
+ *   property of Easy Software Products and are protected by Federal
+ *   copyright law.  Distribution and use rights are outlined in the file
+ *   "LICENSE.txt" which should have been included with this file.  If this
+ *   file is missing or damaged please contact Easy Software Products
+ *   at:
+ *
+ *       Attn: CUPS Licensing Information
+ *       Easy Software Products
+ *       44141 Airport View Drive, Suite 204
+ *       Hollywood, Maryland 20636 USA
+ *
+ *       Voice: (301) 373-9600
+ *       EMail: cups-info@cups.org
+ *         WWW: http://www.cups.org
+ *
+ *   This file is subject to the Apple OS-Developed Software exception.
+ *
+ * Contents:
+ *
+ *   CR_color_range()     - Set the range for color values.
+ *   AC_anchor_corner()   - Set the anchor corner.
+ *   FT_fill_type()       - Set the fill type or pattern.
+ *   LA_line_attributes() - Set the line drawing attributes.
+ *   LT_line_type()       - Set the line type (style)...
+ *   NP_number_pens()     - Set the number of pens to be used.
+ *   PC_pen_color()       - Set the pen color...
+ *   PW_pen_width()       - Set the pen width.
+ *   RF_raster_fill()     - Set the raster fill pattern.
+ *   SM_symbol_mode()     - Set where symbols are drawn.
+ *   SP_select_pen()      - Select a pen for drawing.
+ *   UL_user_line_type()  - Set a user-defined line type.
+ *   WU_width_units()     - Set the units used for pen widths.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include "hpgltops.h"
+
+
+/*
+ * 'CR_color_range()' - Set the range for color values.
+ */
+
+void
+CR_color_range(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  if (num_params == 0)
+  {
+   /*
+    * Default to 0 to 255 for all color values.
+    */
+
+    ColorRange[0][0] = 0.0;
+    ColorRange[0][1] = 255.0;
+    ColorRange[1][0] = 0.0;
+    ColorRange[1][1] = 255.0;
+    ColorRange[2][0] = 0.0;
+    ColorRange[2][1] = 255.0;
+  }
+  else if (num_params == 6)
+  {
+   /*
+    * Set the range based on the parameters...
+    */
+
+    ColorRange[0][0] = params[0].value.number;
+    ColorRange[0][1] = params[1].value.number - params[0].value.number;
+    ColorRange[1][0] = params[2].value.number;
+    ColorRange[1][1] = params[3].value.number - params[2].value.number;
+    ColorRange[2][0] = params[4].value.number;
+    ColorRange[2][1] = params[5].value.number - params[4].value.number;
+  }
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'CR\' command with invalid number of parameters (%d)!\n",
+            num_params);
+}
+
+
+/*
+ * 'AC_anchor_corner()' - Set the anchor corner.
+ */
+
+void
+AC_anchor_corner(int     num_params,	/* I - Number of parameters */
+                 param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'FT_fill_type()' - Set the fill type or pattern.
+ *
+ * Note:
+ *
+ *   This needs to be updated to support non-solid fill.
+ */
+
+void
+FT_fill_type(int     num_params,	/* I - Number of parameters */
+             param_t *params)		/* I - Parameters */
+{
+  if (num_params == 0 ||
+      params[0].value.number == 1 ||
+      params[0].value.number == 2)
+  {
+    /**** SOLID PATTERN ****/
+  }
+}
+
+
+/*
+ * 'LA_line_attributes()' - Set the line drawing attributes.
+ */
+
+void
+LA_line_attributes(int     num_params,	/* I - Number of parameters */
+                   param_t *params)	/* I - Parameters */
+{
+  int	i;				/* Looping var */
+
+
+  if (num_params == 0)
+  {
+    MiterLimit = 3.0f;
+    LineCap    = 0;
+    LineJoin   = 0;
+  }
+  else for (i = 0; i < (num_params - 1); i += 2)
+    switch ((int)params[i].value.number)
+    {
+      case 1 :
+          LineCap = params[i + 1].value.number == 1 ? 0 :
+                    params[i + 1].value.number == 4 ? 1 : 2;
+          break;
+      case 2 :
+          switch ((int)params[i + 1].value.number)
+          {
+            case 1 :
+            case 2 :
+            case 3 :
+                LineJoin = 0;
+                break;
+            case 5 :
+                LineJoin = 2;
+                break;
+            default :
+                LineJoin = 1;
+                break;
+          }
+          break;
+      case 3 :
+          MiterLimit = 1.0 + 0.5 * (params[i + 1].value.number - 1.0);
+          break;
+    }
+
+  if (PageDirty)
+  {
+    printf("%.1f setmiterlimit\n", MiterLimit);
+    printf("%d setlinecap\n", LineCap);
+    printf("%d setlinejoin\n", LineJoin);
+  }
+}
+
+
+/*
+ * 'LT_line_type()' - Set the line type (style)...
+ *
+ * Note:
+ *
+ *   This needs to be updated to support line types.
+ */
+
+void
+LT_line_type(int     num_params,	/* I - Number of parameters */
+             param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'NP_number_pens()' - Set the number of pens to be used.
+ */
+
+void
+NP_number_pens(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  int	i;				/* Looping var */
+
+
+  if (num_params == 0)
+    PenCount = 8;
+  else if (num_params == 1 && params[0].value.number <= 1024)
+    PenCount = (int)params[0].value.number;
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'NP\' command with invalid number of parameters (%d)!\n",
+            num_params);
+
+  for (i = 0; i <= PenCount; i ++)
+    Pens[i].width = PenWidth;
+
+  PC_pen_color(0, NULL);
+}
+
+
+/*
+ * 'PC_pen_color()' - Set the pen color...
+ */
+
+void
+PC_pen_color(int     num_params,	/* I - Number of parameters */
+             param_t *params)		/* I - Parameters */
+{
+  int		i;			/* Looping var */
+  static float	standard_colors[8][3] =	/* Standard colors for first 8 pens */
+		{
+		  { 1.0, 1.0, 1.0 },	/* White */
+		  { 0.0, 0.0, 0.0 },	/* Black */
+		  { 1.0, 0.0, 0.0 },	/* Red */
+		  { 0.0, 1.0, 0.0 },	/* Green */
+		  { 1.0, 1.0, 0.0 },	/* Yellow */
+		  { 0.0, 0.0, 1.0 },	/* Blue */
+		  { 1.0, 0.0, 1.0 },	/* Magenta */
+		  { 0.0, 1.0, 1.0 }	/* Cyan */
+		};
+
+
+  if (num_params == 0)
+  {
+    for (i = 0; i <= PenCount; i ++)
+      if (i < 8)
+      {
+        Pens[i].rgb[0] = standard_colors[i][0];
+        Pens[i].rgb[1] = standard_colors[i][1];
+        Pens[i].rgb[2] = standard_colors[i][2];
+      }
+      else
+      {
+        Pens[i].rgb[0] = 0.0f;
+        Pens[i].rgb[1] = 0.0f;
+        Pens[i].rgb[2] = 0.0f;
+      }
+
+    if (PageDirty)
+      printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	     Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	     Pens[PenNumber].width * PenScaling);
+  }
+  else if (num_params == 1 || num_params == 4)
+  {
+    i = (int)params[0].value.number;
+
+    if (num_params == 1)
+    {
+      Pens[i].rgb[0] = standard_colors[i & 7][0];
+      Pens[i].rgb[1] = standard_colors[i & 7][1];
+      Pens[i].rgb[2] = standard_colors[i & 7][2];
+    }
+    else
+    {
+      Pens[i].rgb[0] = (params[1].value.number - ColorRange[0][0]) /
+                       (ColorRange[0][1] - ColorRange[0][0]);
+      Pens[i].rgb[1] = (params[2].value.number - ColorRange[1][0]) /
+                       (ColorRange[1][1] - ColorRange[1][0]);
+      Pens[i].rgb[2] = (params[3].value.number - ColorRange[2][0]) /
+                       (ColorRange[2][1] - ColorRange[2][0]);
+
+      fprintf(stderr, "DEBUG: Pen %d %.0f %.0f %.0f = %.3f %.3f %.3f\n",
+	      i, params[1].value.number, params[2].value.number,
+	      params[3].value.number, Pens[i].rgb[0], Pens[i].rgb[1],
+	      Pens[i].rgb[2]);
+    }
+
+    if (PageDirty && i == PenNumber)
+      printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	     Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	     Pens[PenNumber].width * PenScaling);
+  }
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'PC\' command with invalid number of parameters (%d)!\n",
+            num_params);
+}
+
+
+/*
+ * 'PW_pen_width()' - Set the pen width.
+ */
+
+void
+PW_pen_width(int     num_params,	/* I - Number of parameters */
+             param_t *params)		/* I - Parameters */
+{
+  int	pen;				/* Pen number */
+  float	w;				/* Width value */
+
+
+  if (WidthUnits == 0)
+  {
+   /*
+    * Metric...
+    */
+
+    if (num_params == 0)
+      w = 0.35f / 25.4f * 72.0f;
+    else
+      w = params[0].value.number / 25.4f * 72.0f;
+  }
+  else
+  {
+   /*
+    * Relative...
+    */
+
+    w = (float)hypot(PlotSize[0], PlotSize[1]) / 1016.0f * 72.0f;
+
+    if (num_params == 0)
+      w *= 0.01f;
+    else
+      w *= params[0].value.number;
+  }
+
+  if (num_params == 2)
+  {
+    pen = (int)params[1].value.number;
+
+    Pens[pen].width = w;
+
+    if (PageDirty && pen == PenNumber)
+      printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	     Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	     Pens[PenNumber].width * PenScaling);
+  }
+  else if (num_params < 2)
+  {
+   /*
+    * Set width for all pens...
+    */
+
+    for (pen = 0; pen <= PenCount; pen ++)
+      Pens[pen].width = w;
+
+    if (PageDirty)
+      printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	     Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	     Pens[PenNumber].width * PenScaling);
+  }
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'PW\' command with invalid number of parameters (%d)!\n",
+            num_params);
+}
+
+
+/*
+ * 'RF_raster_fill()' - Set the raster fill pattern.
+ *
+ * Note:
+ *
+ *   This needs to be implemented.
+ */
+
+void
+RF_raster_fill(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'SM_symbol_mode()' - Set where symbols are drawn.
+ */
+
+void
+SM_symbol_mode(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'SP_select_pen()' - Select a pen for drawing.
+ */
+
+void
+SP_select_pen(int     num_params,	/* I - Number of parameters */
+              param_t *params)		/* I - Parameters */
+{
+  if (num_params == 0)
+    PenNumber = 1;
+  else if (params[0].value.number <= PenCount)
+    PenNumber = (int)params[0].value.number;
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'SP\' command with invalid number or value of parameters (%d, %d)!\n",
+            num_params, (int)params[0].value.number);
+
+  if (PageDirty)
+    printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0],
+	   Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2],
+	   Pens[PenNumber].width * PenScaling);
+}
+
+
+/*
+ * 'UL_user_line_type()' - Set a user-defined line type.
+ */
+
+void
+UL_user_line_type(int     num_params,	/* I - Number of parameters */
+                  param_t *params)	/* I - Parameters */
+{
+  (void)num_params;
+  (void)params;
+}
+
+
+/*
+ * 'WU_width_units()' - Set the units used for pen widths.
+ */
+
+void
+WU_width_units(int     num_params,	/* I - Number of parameters */
+               param_t *params)		/* I - Parameters */
+{
+  if (num_params == 0)
+    WidthUnits = 0;
+  else if (num_params == 1)
+    WidthUnits = (int)params[0].value.number;
+  else
+    fprintf(stderr, "WARNING: HP-GL/2 \'WU\' command with invalid number of parameters (%d)!\n",
+            num_params);
+}
+
+
+/*
+ * End of "$Id: hpgl-attr.c 4494 2005-02-18 02:18:11Z mike $".
+ */