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

   1 #ifndef __GDK_COLOR_H__
   2 #define __GDK_COLOR_H__
   3
   4 #include <cairo.h>
   5 #include <gdk/gdktypes.h>
   6
   7 #ifdef __cplusplus
   8 extern "C" {
   9 #endif /* __cplusplus */
  10
  11 /* The color type.
  12  *   A color consists of red, green and blue values in the
  13  *    range 0-65535 and a pixel value. The pixel value is highly
  14  *    dependent on the depth and colormap which this color will
  15  *    be used to draw into. Therefore, sharing colors between
  16  *    colormaps is a bad idea.
  17  */
  18 struct _GdkColor
  19 {
  20   guint32 pixel;
  21   guint16 red;
  22   guint16 green;
  23   guint16 blue;
  24 };
  25
  26 /* The colormap type.
  27  */
  28
  29 typedef struct _GdkColormapClass GdkColormapClass;
  30
  31 #define GDK_TYPE_COLORMAP              (gdk_colormap_get_type ())
  32 #define GDK_COLORMAP(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_COLORMAP, GdkColormap))
  33 #define GDK_COLORMAP_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_COLORMAP, GdkColormapClass))
  34 #define GDK_IS_COLORMAP(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_COLORMAP))
  35 #define GDK_IS_COLORMAP_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_COLORMAP))
  36 #define GDK_COLORMAP_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_COLORMAP, GdkColormapClass))
  37
  38 #define GDK_TYPE_COLOR                 (gdk_color_get_type ())
  39
  40 struct _GdkColormap
  41 {
  42   GObject parent_instance;
  43
  44   /*< public >*/
  45   gint      size;
  46   GdkColor *colors;
  47
  48   /*< private >*/
  49   GdkVisual *visual;
  50
  51   gpointer windowing_data;
  52 };
  53
  54 struct _GdkColormapClass
  55 {
  56   GObjectClass parent_class;
  57
  58 };
  59
  60 GType        gdk_colormap_get_type (void) G_GNUC_CONST;
  61
  62 GdkColormap* gdk_colormap_new     (GdkVisual   *visual,
  63                                    gboolean     allocate);
  64
  65 #ifndef GDK_DISABLE_DEPRECATED
  66 GdkColormap* gdk_colormap_ref     (GdkColormap *cmap);
  67 void         gdk_colormap_unref   (GdkColormap *cmap);
  68 #endif
  69
  70 #ifndef GDK_MULTIHEAD_SAFE
  71 GdkColormap* gdk_colormap_get_system            (void);
  72 #endif
  73
  74 GdkScreen *gdk_colormap_get_screen (GdkColormap *cmap);
  75
  76 #ifndef GDK_DISABLE_DEPRECATED
  77 gint gdk_colormap_get_system_size  (void);
  78 #endif
  79
  80 #if !defined (GDK_DISABLE_DEPRECATED) || defined (GDK_COMPILATION)
  81 /* Used by gdk_colors_store () */
  82 void gdk_colormap_change (GdkColormap   *colormap,
  83                           gint           ncolors);
  84 #endif
  85
  86 gint  gdk_colormap_alloc_colors   (GdkColormap *colormap,
  87                                    GdkColor    *colors,
  88                                    gint         ncolors,
  89                                    gboolean     writeable,
  90                                    gboolean     best_match,
  91                                    gboolean    *success);
  92 gboolean gdk_colormap_alloc_color (GdkColormap *colormap,
  93                                    GdkColor    *color,
  94                                    gboolean     writeable,
  95                                    gboolean     best_match);
  96 void     gdk_colormap_free_colors (GdkColormap *colormap,
  97                                    GdkColor    *colors,
  98                                    gint         ncolors);
  99 void     gdk_colormap_query_color (GdkColormap *colormap,
 100                                    gulong       pixel,
 101                                    GdkColor    *result);
 102
 103 GdkVisual *gdk_colormap_get_visual (GdkColormap *colormap);
 104
 105 GdkColor *gdk_color_copy  (const GdkColor *color);
 106 void      gdk_color_free  (GdkColor       *color);
 107 gint      gdk_color_parse (const gchar    *spec,
 108                            GdkColor       *color);
 109 guint     gdk_color_hash  (const GdkColor *colora);
 110 gboolean  gdk_color_equal (const GdkColor *colora,
 111                            const GdkColor *colorb);
 112
 113 GType     gdk_color_get_type (void) G_GNUC_CONST;
 114
 115 void gdk_cairo_set_source_color (cairo_t  *cr,
 116                                  GdkColor *color);
 117
 118 /* The following functions are deprecated */
 119 #ifndef GDK_DISABLE_DEPRECATED
 120 void gdk_colors_store    (GdkColormap   *colormap,
 121                           GdkColor      *colors,
 122                           gint           ncolors);
 123 gint gdk_color_white     (GdkColormap   *colormap,
 124                           GdkColor      *color);
 125 gint gdk_color_black     (GdkColormap   *colormap,
 126                           GdkColor      *color);
 127 gint gdk_color_alloc     (GdkColormap   *colormap,
 128                           GdkColor      *color);
 129 gint gdk_color_change    (GdkColormap   *colormap,
 130                           GdkColor      *color);
 131 #endif /* GDK_DISABLE_DEPRECATED */
 132
 133 #if !defined (GDK_DISABLE_DEPRECATED) || defined (GDK_COMPILATION)
 134 /* Used by gdk_rgb_try_colormap () */
 135 gint gdk_colors_alloc    (GdkColormap   *colormap,
 136                           gboolean       contiguous,
 137                           gulong        *planes,
 138                           gint           nplanes,
 139                           gulong        *pixels,
 140                           gint           npixels);
 141 void gdk_colors_free     (GdkColormap   *colormap,
 142                           gulong        *pixels,
 143                           gint           npixels,
 144                           gulong         planes);
 145 #endif /* !GDK_DISABLE_DEPRECATED || GDK_COMPILATION */
 146
 147 #ifdef __cplusplus
 148 }
 149 #endif /* __cplusplus */
 150
 151 #endif /* __GDK_COLOR_H__ */