Pileus Git - ~andy/gtk/blob - gdk/gdkcolor.h

   1 #ifndef __GDK_COLOR_H__
   2 #define __GDK_COLOR_H__
   3
   4 #include <gdk/gdktypes.h>
   5
   6 #ifdef __cplusplus
   7 extern "C" {
   8 #endif /* __cplusplus */
   9
  10 /* The color type.
  11  *   A color consists of red, green and blue values in the
  12  *    range 0-65535 and a pixel value. The pixel value is highly
  13  *    dependent on the depth and colormap which this color will
  14  *    be used to draw into. Therefore, sharing colors between
  15  *    colormaps is a bad idea.
  16  */
  17 struct _GdkColor
  18 {
  19   guint32 pixel;
  20   guint16 red;
  21   guint16 green;
  22   guint16 blue;
  23 };
  24
  25 /* The colormap type.
  26  */
  27
  28 typedef struct _GdkColormapClass GdkColormapClass;
  29
  30 #define GDK_TYPE_COLORMAP              (gdk_colormap_get_type ())
  31 #define GDK_COLORMAP(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_COLORMAP, GdkColormap))
  32 #define GDK_COLORMAP_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_COLORMAP, GdkColormapClass))
  33 #define GDK_IS_COLORMAP(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_COLORMAP))
  34 #define GDK_IS_COLORMAP_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_COLORMAP))
  35 #define GDK_COLORMAP_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_COLORMAP, GdkColormapClass))
  36
  37
  38 struct _GdkColormap
  39 {
  40   GObject parent_instance;
  41
  42   /*< public >*/
  43   gint      size;
  44   GdkColor *colors;
  45
  46   /*< private >*/
  47   GdkVisual *visual;
  48
  49   gpointer windowing_data;
  50 };
  51
  52 struct _GdkColormapClass
  53 {
  54   GObjectClass parent_class;
  55
  56 };
  57
  58 GType        gdk_colormap_get_type (void) G_GNUC_CONST;
  59
  60 GdkColormap* gdk_colormap_new     (GdkVisual   *visual,
  61                                    gboolean     allocate);
  62 GdkColormap* gdk_colormap_ref     (GdkColormap *cmap);
  63 void         gdk_colormap_unref   (GdkColormap *cmap);
  64
  65 GdkColormap* gdk_colormap_get_system       (void);
  66 gint         gdk_colormap_get_system_size  (void);
  67
  68 void gdk_colormap_change (GdkColormap   *colormap,
  69                           gint           ncolors);
  70
  71
  72 gint  gdk_colormap_alloc_colors   (GdkColormap *colormap,
  73                                    GdkColor    *colors,
  74                                    gint         ncolors,
  75                                    gboolean     writeable,
  76                                    gboolean     best_match,
  77                                    gboolean    *success);
  78 gboolean gdk_colormap_alloc_color (GdkColormap *colormap,
  79                                    GdkColor    *color,
  80                                    gboolean     writeable,
  81                                    gboolean     best_match);
  82 void     gdk_colormap_free_colors (GdkColormap *colormap,
  83                                    GdkColor    *colors,
  84                                    gint         ncolors);
  85
  86 GdkVisual *gdk_colormap_get_visual (GdkColormap *colormap);
  87
  88 GdkColor *gdk_color_copy  (const GdkColor *color);
  89 void      gdk_color_free  (GdkColor       *color);
  90 gint      gdk_color_parse (const gchar    *spec,
  91                            GdkColor       *color);
  92 guint     gdk_color_hash  (const GdkColor *colora);
  93 gboolean  gdk_color_equal (const GdkColor *colora,
  94                            const GdkColor *colorb);
  95
  96 /* The following functions are deprecated */
  97 void gdk_colors_store    (GdkColormap   *colormap,
  98                           GdkColor      *colors,
  99                           gint           ncolors);
 100 gint gdk_colors_alloc    (GdkColormap   *colormap,
 101                           gboolean       contiguous,
 102                           gulong        *planes,
 103                           gint           nplanes,
 104                           gulong        *pixels,
 105                           gint           npixels);
 106 void gdk_colors_free     (GdkColormap   *colormap,
 107                           gulong        *pixels,
 108                           gint           npixels,
 109                           gulong         planes);
 110 gint gdk_color_white     (GdkColormap   *colormap,
 111                           GdkColor      *color);
 112 gint gdk_color_black     (GdkColormap   *colormap,
 113                           GdkColor      *color);
 114 gint gdk_color_alloc     (GdkColormap   *colormap,
 115                           GdkColor      *color);
 116 gint gdk_color_change    (GdkColormap   *colormap,
 117                           GdkColor      *color);
 118
 119 #ifdef __cplusplus
 120 }
 121 #endif /* __cplusplus */
 122
 123 #endif /* __GDK_COLOR_H__ */