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 #define GDK_TYPE_COLOR                 (gdk_color_get_type ())
  38
  39 struct _GdkColormap
  40 {
  41   GObject parent_instance;
  42
  43   /*< public >*/
  44   gint      size;
  45   GdkColor *colors;
  46
  47   /*< private >*/
  48   GdkVisual *visual;
  49
  50   gpointer windowing_data;
  51 };
  52
  53 struct _GdkColormapClass
  54 {
  55   GObjectClass parent_class;
  56
  57 };
  58
  59 GType        gdk_colormap_get_type (void) G_GNUC_CONST;
  60
  61 GdkColormap* gdk_colormap_new     (GdkVisual   *visual,
  62                                    gboolean     allocate);
  63 GdkColormap* gdk_colormap_ref     (GdkColormap *cmap);
  64 void         gdk_colormap_unref   (GdkColormap *cmap);
  65
  66 GdkColormap* gdk_colormap_get_system       (void);
  67 #ifndef GDK_DISABLE_DEPRECATED
  68 gint         gdk_colormap_get_system_size  (void);
  69 #endif
  70
  71 void gdk_colormap_change (GdkColormap   *colormap,
  72                           gint           ncolors);
  73
  74
  75 gint  gdk_colormap_alloc_colors   (GdkColormap *colormap,
  76                                    GdkColor    *colors,
  77                                    gint         ncolors,
  78                                    gboolean     writeable,
  79                                    gboolean     best_match,
  80                                    gboolean    *success);
  81 gboolean gdk_colormap_alloc_color (GdkColormap *colormap,
  82                                    GdkColor    *color,
  83                                    gboolean     writeable,
  84                                    gboolean     best_match);
  85 void     gdk_colormap_free_colors (GdkColormap *colormap,
  86                                    GdkColor    *colors,
  87                                    gint         ncolors);
  88 void     gdk_colormap_query_color (GdkColormap *colormap,
  89                                    gulong       pixel,
  90                                    GdkColor    *result);
  91
  92 GdkVisual *gdk_colormap_get_visual (GdkColormap *colormap);
  93
  94 GdkColor *gdk_color_copy  (const GdkColor *color);
  95 void      gdk_color_free  (GdkColor       *color);
  96 gint      gdk_color_parse (const gchar    *spec,
  97                            GdkColor       *color);
  98 guint     gdk_color_hash  (const GdkColor *colora);
  99 gboolean  gdk_color_equal (const GdkColor *colora,
 100                            const GdkColor *colorb);
 101
 102 GType     gdk_color_get_type (void);
 103
 104 /* The following functions are deprecated */
 105 #ifndef GDK_DISABLE_DEPRECATED
 106 void gdk_colors_store    (GdkColormap   *colormap,
 107                           GdkColor      *colors,
 108                           gint           ncolors);
 109 gint gdk_colors_alloc    (GdkColormap   *colormap,
 110                           gboolean       contiguous,
 111                           gulong        *planes,
 112                           gint           nplanes,
 113                           gulong        *pixels,
 114                           gint           npixels);
 115 void gdk_colors_free     (GdkColormap   *colormap,
 116                           gulong        *pixels,
 117                           gint           npixels,
 118                           gulong         planes);
 119 gint gdk_color_white     (GdkColormap   *colormap,
 120                           GdkColor      *color);
 121 gint gdk_color_black     (GdkColormap   *colormap,
 122                           GdkColor      *color);
 123 gint gdk_color_alloc     (GdkColormap   *colormap,
 124                           GdkColor      *color);
 125 gint gdk_color_change    (GdkColormap   *colormap,
 126                           GdkColor      *color);
 127 #endif /* GDK_DISABLE_DEPRECATED */
 128
 129 #ifdef __cplusplus
 130 }
 131 #endif /* __cplusplus */
 132
 133 #endif /* __GDK_COLOR_H__ */