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

   1 #ifndef __GDK_GC_H__
   2 #define __GDK_GC_H__
   3
   4 #include <gdk/gdkcolor.h>
   5 #include <gdk/gdktypes.h>
   6
   7 #ifdef __cplusplus
   8 extern "C" {
   9 #endif /* __cplusplus */
  10
  11 typedef struct _GdkGCValues           GdkGCValues;
  12 typedef struct _GdkGCClass            GdkGCClass;
  13
  14 /* GC cap styles
  15  *  CapNotLast:
  16  *  CapButt:
  17  *  CapRound:
  18  *  CapProjecting:
  19  */
  20 typedef enum
  21 {
  22   GDK_CAP_NOT_LAST,
  23   GDK_CAP_BUTT,
  24   GDK_CAP_ROUND,
  25   GDK_CAP_PROJECTING
  26 } GdkCapStyle;
  27
  28 /* GC fill types.
  29  *  Solid:
  30  *  Tiled:
  31  *  Stippled:
  32  *  OpaqueStippled:
  33  */
  34 typedef enum
  35 {
  36   GDK_SOLID,
  37   GDK_TILED,
  38   GDK_STIPPLED,
  39   GDK_OPAQUE_STIPPLED
  40 } GdkFill;
  41
  42 /* GC function types.
  43  *   Copy: Overwrites destination pixels with the source pixels.
  44  *   Invert: Inverts the destination pixels.
  45  *   Xor: Xor's the destination pixels with the source pixels.
  46  *   Clear: set pixels to 0
  47  *   And: source AND destination
  48  *   And Reverse: source AND (NOT destination)
  49  *   And Invert: (NOT source) AND destination
  50  *   Noop: destination
  51  *   Or: source OR destination
  52  *   Nor: (NOT source) AND (NOT destination)
  53  *   Equiv: (NOT source) XOR destination
  54  *   Xor Reverse: source OR (NOT destination)
  55  *   Copy Inverted: NOT source
  56  *   Xor Inverted: (NOT source) OR destination
  57  *   Nand: (NOT source) OR (NOT destination)
  58  *   Set: set pixels to 1
  59  */
  60 typedef enum
  61 {
  62   GDK_COPY,
  63   GDK_INVERT,
  64   GDK_XOR,
  65   GDK_CLEAR,
  66   GDK_AND,
  67   GDK_AND_REVERSE,
  68   GDK_AND_INVERT,
  69   GDK_NOOP,
  70   GDK_OR,
  71   GDK_EQUIV,
  72   GDK_OR_REVERSE,
  73   GDK_COPY_INVERT,
  74   GDK_OR_INVERT,
  75   GDK_NAND,
  76   GDK_NOR,
  77   GDK_SET
  78 } GdkFunction;
  79
  80 /* GC join styles
  81  *  JoinMiter:
  82  *  JoinRound:
  83  *  JoinBevel:
  84  */
  85 typedef enum
  86 {
  87   GDK_JOIN_MITER,
  88   GDK_JOIN_ROUND,
  89   GDK_JOIN_BEVEL
  90 } GdkJoinStyle;
  91
  92 /* GC line styles
  93  *  Solid:
  94  *  OnOffDash:
  95  *  DoubleDash:
  96  */
  97 typedef enum
  98 {
  99   GDK_LINE_SOLID,
 100   GDK_LINE_ON_OFF_DASH,
 101   GDK_LINE_DOUBLE_DASH
 102 } GdkLineStyle;
 103
 104 typedef enum
 105 {
 106   GDK_CLIP_BY_CHILDREN  = 0,
 107   GDK_INCLUDE_INFERIORS = 1
 108 } GdkSubwindowMode;
 109
 110 typedef enum
 111 {
 112   GDK_GC_FOREGROUND    = 1 << 0,
 113   GDK_GC_BACKGROUND    = 1 << 1,
 114   GDK_GC_FONT          = 1 << 2,
 115   GDK_GC_FUNCTION      = 1 << 3,
 116   GDK_GC_FILL          = 1 << 4,
 117   GDK_GC_TILE          = 1 << 5,
 118   GDK_GC_STIPPLE       = 1 << 6,
 119   GDK_GC_CLIP_MASK     = 1 << 7,
 120   GDK_GC_SUBWINDOW     = 1 << 8,
 121   GDK_GC_TS_X_ORIGIN   = 1 << 9,
 122   GDK_GC_TS_Y_ORIGIN   = 1 << 10,
 123   GDK_GC_CLIP_X_ORIGIN = 1 << 11,
 124   GDK_GC_CLIP_Y_ORIGIN = 1 << 12,
 125   GDK_GC_EXPOSURES     = 1 << 13,
 126   GDK_GC_LINE_WIDTH    = 1 << 14,
 127   GDK_GC_LINE_STYLE    = 1 << 15,
 128   GDK_GC_CAP_STYLE     = 1 << 16,
 129   GDK_GC_JOIN_STYLE    = 1 << 17
 130 } GdkGCValuesMask;
 131
 132 struct _GdkGCValues
 133 {
 134   GdkColor          foreground;
 135   GdkColor          background;
 136   GdkFont          *font;
 137   GdkFunction       function;
 138   GdkFill           fill;
 139   GdkPixmap        *tile;
 140   GdkPixmap        *stipple;
 141   GdkPixmap        *clip_mask;
 142   GdkSubwindowMode  subwindow_mode;
 143   gint              ts_x_origin;
 144   gint              ts_y_origin;
 145   gint              clip_x_origin;
 146   gint              clip_y_origin;
 147   gint              graphics_exposures;
 148   gint              line_width;
 149   GdkLineStyle      line_style;
 150   GdkCapStyle       cap_style;
 151   GdkJoinStyle      join_style;
 152 };
 153
 154 #define GDK_TYPE_GC              (gdk_gc_get_type ())
 155 #define GDK_GC(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_GC, GdkGC))
 156 #define GDK_GC_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_GC, GdkGCClass))
 157 #define GDK_IS_GC(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_GC))
 158 #define GDK_IS_GC_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_GC))
 159 #define GDK_GC_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_GC, GdkGCClass))
 160
 161 struct _GdkGC
 162 {
 163   GObject parent_instance;
 164
 165   gint clip_x_origin;
 166   gint clip_y_origin;
 167   gint ts_x_origin;
 168   gint ts_y_origin;
 169
 170   GdkColormap *colormap;
 171 };
 172
 173 struct _GdkGCClass
 174 {
 175   GObjectClass parent_class;
 176
 177   void (*get_values)     (GdkGC          *gc,
 178                           GdkGCValues    *values);
 179   void (*set_values)     (GdkGC          *gc,
 180                           GdkGCValues    *values,
 181                           GdkGCValuesMask mask);
 182   void (*set_dashes)     (GdkGC          *gc,
 183                           gint            dash_offset,
 184                           gint8           dash_list[],
 185                           gint            n);
 186 };
 187
 188
 189 GType  gdk_gc_get_type            (void) G_GNUC_CONST;
 190 GdkGC *gdk_gc_new                 (GdkDrawable      *drawable);
 191 GdkGC *gdk_gc_new_with_values     (GdkDrawable      *drawable,
 192                                    GdkGCValues      *values,
 193                                    GdkGCValuesMask   values_mask);
 194 GdkGC *gdk_gc_ref                 (GdkGC            *gc);
 195 void   gdk_gc_unref               (GdkGC            *gc);
 196 void   gdk_gc_get_values          (GdkGC            *gc,
 197                                    GdkGCValues      *values);
 198 void   gdk_gc_set_values          (GdkGC           *gc,
 199                                    GdkGCValues     *values,
 200                                    GdkGCValuesMask  values_mask);
 201 void   gdk_gc_set_foreground      (GdkGC            *gc,
 202                                    GdkColor         *color);
 203 void   gdk_gc_set_background      (GdkGC            *gc,
 204                                    GdkColor         *color);
 205 void   gdk_gc_set_font            (GdkGC            *gc,
 206                                    GdkFont          *font);
 207 void   gdk_gc_set_function        (GdkGC            *gc,
 208                                    GdkFunction       function);
 209 void   gdk_gc_set_fill            (GdkGC            *gc,
 210                                    GdkFill           fill);
 211 void   gdk_gc_set_tile            (GdkGC            *gc,
 212                                    GdkPixmap        *tile);
 213 void   gdk_gc_set_stipple         (GdkGC            *gc,
 214                                    GdkPixmap        *stipple);
 215 void   gdk_gc_set_ts_origin       (GdkGC            *gc,
 216                                    gint              x,
 217                                    gint              y);
 218 void   gdk_gc_set_clip_origin     (GdkGC            *gc,
 219                                    gint              x,
 220                                    gint              y);
 221 void   gdk_gc_set_clip_mask       (GdkGC            *gc,
 222                                    GdkBitmap        *mask);
 223 void   gdk_gc_set_clip_rectangle  (GdkGC            *gc,
 224                                    GdkRectangle     *rectangle);
 225 void   gdk_gc_set_clip_region     (GdkGC            *gc,
 226                                    GdkRegion        *region);
 227 void   gdk_gc_set_subwindow       (GdkGC            *gc,
 228                                    GdkSubwindowMode  mode);
 229 void   gdk_gc_set_exposures       (GdkGC            *gc,
 230                                    gboolean          exposures);
 231 void   gdk_gc_set_line_attributes (GdkGC            *gc,
 232                                    gint              line_width,
 233                                    GdkLineStyle      line_style,
 234                                    GdkCapStyle       cap_style,
 235                                    GdkJoinStyle      join_style);
 236 void   gdk_gc_set_dashes          (GdkGC            *gc,
 237                                    gint              dash_offset,
 238                                    gint8             dash_list[],
 239                                    gint              n);
 240 void   gdk_gc_copy                (GdkGC            *dst_gc,
 241                                    GdkGC            *src_gc);
 242
 243
 244 void         gdk_gc_set_colormap     (GdkGC       *gc,
 245                                       GdkColormap *colormap);
 246 GdkColormap *gdk_gc_get_colormap     (GdkGC       *gc);
 247 void         gdk_gc_set_rgb_fg_color (GdkGC       *gc,
 248                                       GdkColor    *color);
 249 void         gdk_gc_set_rgb_bg_color (GdkGC       *gc,
 250                                       GdkColor    *color);
 251
 252 #ifdef __cplusplus
 253 }
 254 #endif /* __cplusplus */
 255
 256 #endif /* __GDK_DRAWABLE_H__ */