 a7ef37da2a
			
		
	
	a7ef37da2a
	
	
	
		
			
			Instead of giving out Cairo contexts, GdkWindow should provide a "drawing context", which can then create Cairo contexts on demand; this allows us to future proof the API for when we're going to use a different rendering pipeline, like OpenGL. https://bugzilla.gnome.org/show_bug.cgi?id=766675
		
			
				
	
	
		
			54 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GDK - The GIMP Drawing Kit
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|  *
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|  * This library is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2 of the License, or (at your option) any later version.
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|  *
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|  * This library is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| #ifndef __GDK_DRAWING_CONTEXT_H__
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| #define __GDK_DRAWING_CONTEXT_H__
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| 
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| #if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
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| #error "Only <gdk/gdk.h> can be included directly."
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| #endif
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| 
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| #include <gdk/gdkversionmacros.h>
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| #include <gdk/gdktypes.h>
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| 
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| G_BEGIN_DECLS
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| 
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| #define GDK_TYPE_DRAWING_CONTEXT (gdk_drawing_context_get_type ())
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| 
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| #define GDK_DRAWING_CONTEXT(obj)        (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_DRAWING_CONTEXT, GdkDrawingContext))
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| #define GDK_IS_DRAWING_CONTEXT(obj)     (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_DRAWING_CONTEXT))
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| 
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| typedef struct _GdkDrawingContext       GdkDrawingContext;
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| typedef struct _GdkDrawingContextClass  GdkDrawingContextClass;
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| 
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| GDK_AVAILABLE_IN_3_22
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| GType gdk_drawing_context_get_type (void) G_GNUC_CONST;
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| 
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| GDK_AVAILABLE_IN_3_22
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| GdkWindow *     gdk_drawing_context_get_window          (GdkDrawingContext *context);
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| GDK_AVAILABLE_IN_3_22
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| cairo_region_t *gdk_drawing_context_get_clip            (GdkDrawingContext *context);
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| 
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| GDK_AVAILABLE_IN_3_22
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| gboolean        gdk_drawing_context_is_valid            (GdkDrawingContext *context);
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| 
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| GDK_AVAILABLE_IN_3_22
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| cairo_t *       gdk_drawing_context_get_cairo_context   (GdkDrawingContext *context);
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| 
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| G_END_DECLS
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| 
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| #endif /* __GDK_DRAWING_CONTEXT_H__ */
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