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C/C++ Source or Header  |  2006-04-25  |  4.4 KB  |  145 lines
  1. /* GTK - The GIMP Toolkit
  2.  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
  3.  *
  4.  * This library is free software; you can redistribute it and/or
  5.  * modify it under the terms of the GNU Lesser General Public
  6.  * License as published by the Free Software Foundation; either
  7.  * version 2 of the License, or (at your option) any later version.
  8.  *
  9.  * This library is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12.  * Lesser General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU Lesser General Public
  15.  * License along with this library; if not, write to the
  16.  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17.  * Boston, MA 02111-1307, USA.
  18.  */
  19.  
  20. /*
  21.  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22.  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23.  * files for a list of changes.  These files are distributed with
  24.  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
  25.  */
  26.  
  27. #ifndef __GDK_RGB_H__
  28. #define __GDK_RGB_H__
  29.  
  30. #include <gdk/gdktypes.h>
  31.  
  32. G_BEGIN_DECLS
  33.  
  34. typedef struct _GdkRgbCmap GdkRgbCmap;
  35.  
  36. struct _GdkRgbCmap {
  37.   guint32 colors[256];
  38.   gint n_colors;
  39.  
  40.   /*< private >*/
  41.   GSList *info_list;
  42. };
  43.  
  44. #ifndef GDK_DISABLE_DEPRECATED
  45. void gdk_rgb_init (void);
  46.  
  47. gulong gdk_rgb_xpixel_from_rgb   (guint32      rgb) G_GNUC_CONST;
  48. void   gdk_rgb_gc_set_foreground (GdkGC       *gc,
  49.                   guint32      rgb);
  50. void   gdk_rgb_gc_set_background (GdkGC       *gc,
  51.                   guint32      rgb);
  52. #define gdk_rgb_get_cmap               gdk_rgb_get_colormap
  53. #endif /* GDK_DISABLE_DEPRECATED */
  54.  
  55. void   gdk_rgb_find_color        (GdkColormap *colormap,
  56.                   GdkColor    *color);
  57.  
  58. typedef enum
  59. {
  60.   GDK_RGB_DITHER_NONE,
  61.   GDK_RGB_DITHER_NORMAL,
  62.   GDK_RGB_DITHER_MAX
  63. } GdkRgbDither;
  64.  
  65. void        gdk_draw_rgb_image              (GdkDrawable  *drawable,
  66.                          GdkGC        *gc,
  67.                          gint          x,
  68.                          gint          y,
  69.                          gint          width,
  70.                          gint          height,
  71.                          GdkRgbDither  dith,
  72.                          guchar       *rgb_buf,
  73.                          gint          rowstride);
  74. void        gdk_draw_rgb_image_dithalign    (GdkDrawable  *drawable,
  75.                          GdkGC        *gc,
  76.                          gint          x,
  77.                          gint          y,
  78.                          gint          width,
  79.                          gint          height,
  80.                          GdkRgbDither  dith,
  81.                          guchar       *rgb_buf,
  82.                          gint          rowstride,
  83.                          gint          xdith,
  84.                          gint          ydith);
  85. void        gdk_draw_rgb_32_image           (GdkDrawable  *drawable,
  86.                          GdkGC        *gc,
  87.                          gint          x,
  88.                          gint          y,
  89.                          gint          width,
  90.                          gint          height,
  91.                          GdkRgbDither  dith,
  92.                          guchar       *buf,
  93.                          gint          rowstride);
  94. void        gdk_draw_rgb_32_image_dithalign (GdkDrawable  *drawable,
  95.                          GdkGC        *gc,
  96.                          gint          x,
  97.                          gint          y,
  98.                          gint          width,
  99.                          gint          height,
  100.                          GdkRgbDither  dith,
  101.                          guchar       *buf,
  102.                          gint          rowstride,
  103.                          gint          xdith,
  104.                          gint          ydith);
  105. void        gdk_draw_gray_image             (GdkDrawable  *drawable,
  106.                          GdkGC        *gc,
  107.                          gint          x,
  108.                          gint          y,
  109.                          gint          width,
  110.                          gint          height,
  111.                          GdkRgbDither  dith,
  112.                          guchar       *buf,
  113.                          gint          rowstride);
  114. void        gdk_draw_indexed_image          (GdkDrawable  *drawable,
  115.                          GdkGC        *gc,
  116.                          gint          x,
  117.                          gint          y,
  118.                          gint          width,
  119.                          gint          height,
  120.                          GdkRgbDither  dith,
  121.                          guchar       *buf,
  122.                          gint          rowstride,
  123.                          GdkRgbCmap   *cmap);
  124. GdkRgbCmap *gdk_rgb_cmap_new                (guint32      *colors,
  125.                          gint          n_colors);
  126. void        gdk_rgb_cmap_free               (GdkRgbCmap   *cmap);
  127.  
  128. void     gdk_rgb_set_verbose (gboolean verbose);
  129.  
  130. /* experimental colormap stuff */
  131. void gdk_rgb_set_install    (gboolean install);
  132. void gdk_rgb_set_min_colors (gint     min_colors);
  133.  
  134. #ifndef GDK_MULTIHEAD_SAFE
  135. GdkColormap *gdk_rgb_get_colormap (void);
  136. GdkVisual *  gdk_rgb_get_visual   (void);
  137. gboolean     gdk_rgb_ditherable   (void);
  138. gboolean     gdk_rgb_colormap_ditherable (GdkColormap *cmap);
  139. #endif
  140.  
  141. G_END_DECLS
  142.  
  143.  
  144. #endif /* __GDK_RGB_H__ */
  145.