forked from AuroraMiddleware/gtk
80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
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#ifndef __GDK_REGION_H__
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#define __GDK_REGION_H__
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#include <gdk/gdktypes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* GC fill rule for polygons
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* EvenOddRule
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* WindingRule
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*/
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typedef enum
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{
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GDK_EVEN_ODD_RULE,
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GDK_WINDING_RULE
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} GdkFillRule;
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/* Types of overlapping between a rectangle and a region
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* GDK_OVERLAP_RECTANGLE_IN: rectangle is in region
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* GDK_OVERLAP_RECTANGLE_OUT: rectangle in not in region
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* GDK_OVERLAP_RECTANGLE_PART: rectangle in partially in region
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*/
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typedef enum
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{
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GDK_OVERLAP_RECTANGLE_IN,
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GDK_OVERLAP_RECTANGLE_OUT,
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GDK_OVERLAP_RECTANGLE_PART
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} GdkOverlapType;
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struct _GdkRegion
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{
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gpointer user_data;
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};
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GdkRegion* gdk_region_new (void);
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void gdk_region_destroy (GdkRegion *region);
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void gdk_region_get_clipbox(GdkRegion *region,
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GdkRectangle *rectangle);
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gboolean gdk_region_empty (GdkRegion *region);
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gboolean gdk_region_equal (GdkRegion *region1,
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GdkRegion *region2);
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gboolean gdk_region_point_in (GdkRegion *region,
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int x,
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int y);
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GdkOverlapType gdk_region_rect_in (GdkRegion *region,
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GdkRectangle *rect);
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GdkRegion* gdk_region_polygon (GdkPoint *points,
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gint npoints,
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GdkFillRule fill_rule);
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void gdk_region_offset (GdkRegion *region,
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gint dx,
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gint dy);
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void gdk_region_shrink (GdkRegion *region,
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gint dx,
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gint dy);
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GdkRegion* gdk_region_union_with_rect (GdkRegion *region,
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GdkRectangle *rect);
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GdkRegion* gdk_regions_intersect (GdkRegion *source1,
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GdkRegion *source2);
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GdkRegion* gdk_regions_union (GdkRegion *source1,
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GdkRegion *source2);
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GdkRegion* gdk_regions_subtract (GdkRegion *source1,
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GdkRegion *source2);
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GdkRegion* gdk_regions_xor (GdkRegion *source1,
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GdkRegion *source2);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GDK_REGION_H__ */
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