gdkgc.h 5.44 KB
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#ifndef __GDK_GC_H__
#define __GDK_GC_H__

#include <gdk/gdkcolor.h>
#include <gdk/gdktypes.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef struct _GdkGCValues	      GdkGCValues;
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typedef struct _GdkGCClass	      GdkGCClass;
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/* GC cap styles
 *  CapNotLast:
 *  CapButt:
 *  CapRound:
 *  CapProjecting:
 */
typedef enum
{
  GDK_CAP_NOT_LAST,
  GDK_CAP_BUTT,
  GDK_CAP_ROUND,
  GDK_CAP_PROJECTING
} GdkCapStyle;

/* GC fill types.
 *  Solid:
 *  Tiled:
 *  Stippled:
 *  OpaqueStippled:
 */
typedef enum
{
  GDK_SOLID,
  GDK_TILED,
  GDK_STIPPLED,
  GDK_OPAQUE_STIPPLED
} GdkFill;

/* GC function types.
 *   Copy: Overwrites destination pixels with the source pixels.
 *   Invert: Inverts the destination pixels.
 *   Xor: Xor's the destination pixels with the source pixels.
 *   Clear: set pixels to 0
 *   And: source AND destination
 *   And Reverse: source AND (NOT destination)
 *   And Invert: (NOT source) AND destination
 *   Noop: destination
 *   Or: source OR destination
 *   Nor: (NOT source) AND (NOT destination)
 *   Equiv: (NOT source) XOR destination
 *   Xor Reverse: source OR (NOT destination)
 *   Copy Inverted: NOT source
 *   Xor Inverted: (NOT source) OR destination
 *   Nand: (NOT source) OR (NOT destination)
 *   Set: set pixels to 1
 */
typedef enum
{
  GDK_COPY,
  GDK_INVERT,
  GDK_XOR,
  GDK_CLEAR,
  GDK_AND,
  GDK_AND_REVERSE,
  GDK_AND_INVERT,
  GDK_NOOP,
  GDK_OR,
  GDK_EQUIV,
  GDK_OR_REVERSE,
  GDK_COPY_INVERT,
  GDK_OR_INVERT,
  GDK_NAND,
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  GDK_NOR,
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  GDK_SET
} GdkFunction;

/* GC join styles
 *  JoinMiter:
 *  JoinRound:
 *  JoinBevel:
 */
typedef enum
{
  GDK_JOIN_MITER,
  GDK_JOIN_ROUND,
  GDK_JOIN_BEVEL
} GdkJoinStyle;

/* GC line styles
 *  Solid:
 *  OnOffDash:
 *  DoubleDash:
 */
typedef enum
{
  GDK_LINE_SOLID,
  GDK_LINE_ON_OFF_DASH,
  GDK_LINE_DOUBLE_DASH
} GdkLineStyle;

typedef enum
{
  GDK_CLIP_BY_CHILDREN	= 0,
  GDK_INCLUDE_INFERIORS = 1
} GdkSubwindowMode;

typedef enum
{
  GDK_GC_FOREGROUND    = 1 << 0,
  GDK_GC_BACKGROUND    = 1 << 1,
  GDK_GC_FONT	       = 1 << 2,
  GDK_GC_FUNCTION      = 1 << 3,
  GDK_GC_FILL	       = 1 << 4,
  GDK_GC_TILE	       = 1 << 5,
  GDK_GC_STIPPLE       = 1 << 6,
  GDK_GC_CLIP_MASK     = 1 << 7,
  GDK_GC_SUBWINDOW     = 1 << 8,
  GDK_GC_TS_X_ORIGIN   = 1 << 9,
  GDK_GC_TS_Y_ORIGIN   = 1 << 10,
  GDK_GC_CLIP_X_ORIGIN = 1 << 11,
  GDK_GC_CLIP_Y_ORIGIN = 1 << 12,
  GDK_GC_EXPOSURES     = 1 << 13,
  GDK_GC_LINE_WIDTH    = 1 << 14,
  GDK_GC_LINE_STYLE    = 1 << 15,
  GDK_GC_CAP_STYLE     = 1 << 16,
  GDK_GC_JOIN_STYLE    = 1 << 17
} GdkGCValuesMask;

struct _GdkGCValues
{
  GdkColor	    foreground;
  GdkColor	    background;
  GdkFont	   *font;
  GdkFunction	    function;
  GdkFill	    fill;
  GdkPixmap	   *tile;
  GdkPixmap	   *stipple;
  GdkPixmap	   *clip_mask;
  GdkSubwindowMode  subwindow_mode;
  gint		    ts_x_origin;
  gint		    ts_y_origin;
  gint		    clip_x_origin;
  gint		    clip_y_origin;
  gint		    graphics_exposures;
  gint		    line_width;
  GdkLineStyle	    line_style;
  GdkCapStyle	    cap_style;
  GdkJoinStyle	    join_style;
};

struct _GdkGC
{
  gint dummy_var;
};

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struct _GdkGCClass 
{
  void (*destroy)        (GdkGC          *gc);
  void (*get_values)     (GdkGC          *gc,
			  GdkGCValues    *values);
  void (*set_values)     (GdkGC          *gc,
			  GdkGCValues    *values,
			  GdkGCValuesMask mask);
  void (*set_dashes)     (GdkGC          *gc,
			  gint	          dash_offset,
			  gchar           dash_list[],
			  gint            n);
};


GdkGC *gdk_gc_new		  (GdkDrawable	    *drawable);
GdkGC *gdk_gc_alloc		  (void);

GdkGC *gdk_gc_new_with_values	  (GdkDrawable	    *drawable,
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				   GdkGCValues	    *values,
				   GdkGCValuesMask   values_mask);
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void   gdk_gc_init                (GdkGC            *gc,
				   GdkGCClass       *klass);
GdkGC *gdk_gc_ref		  (GdkGC	    *gc);
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void   gdk_gc_unref		  (GdkGC	    *gc);
void   gdk_gc_get_values	  (GdkGC	    *gc,
				   GdkGCValues	    *values);
void   gdk_gc_set_foreground	  (GdkGC	    *gc,
				   GdkColor	    *color);
void   gdk_gc_set_background	  (GdkGC	    *gc,
				   GdkColor	    *color);
void   gdk_gc_set_font		  (GdkGC	    *gc,
				   GdkFont	    *font);
void   gdk_gc_set_function	  (GdkGC	    *gc,
				   GdkFunction	     function);
void   gdk_gc_set_fill		  (GdkGC	    *gc,
				   GdkFill	     fill);
void   gdk_gc_set_tile		  (GdkGC	    *gc,
				   GdkPixmap	    *tile);
void   gdk_gc_set_stipple	  (GdkGC	    *gc,
				   GdkPixmap	    *stipple);
void   gdk_gc_set_ts_origin	  (GdkGC	    *gc,
				   gint		     x,
				   gint		     y);
void   gdk_gc_set_clip_origin	  (GdkGC	    *gc,
				   gint		     x,
				   gint		     y);
void   gdk_gc_set_clip_mask	  (GdkGC	    *gc,
				   GdkBitmap	    *mask);
void   gdk_gc_set_clip_rectangle  (GdkGC	    *gc,
				   GdkRectangle	    *rectangle);
void   gdk_gc_set_clip_region	  (GdkGC	    *gc,
				   GdkRegion	    *region);
void   gdk_gc_set_subwindow	  (GdkGC	    *gc,
				   GdkSubwindowMode  mode);
void   gdk_gc_set_exposures	  (GdkGC	    *gc,
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				   gboolean	     exposures);
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void   gdk_gc_set_line_attributes (GdkGC	    *gc,
				   gint		     line_width,
				   GdkLineStyle	     line_style,
				   GdkCapStyle	     cap_style,
				   GdkJoinStyle	     join_style);
void   gdk_gc_set_dashes          (GdkGC            *gc,
				   gint	             dash_offset,
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				   gint8             dash_list[],
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				   gint              n);
void   gdk_gc_copy		  (GdkGC	     *dst_gc,
				   GdkGC	     *src_gc);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __GDK_DRAWABLE_H__ */