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50a5deb8e3
We need an overridable entry point for GskRenderer to create Cairo surfaces. Implementations of GskRenderer can override create_cairo_surface() to create efficient surfaces, possibly with zero copies involved, depending on the GDK backend.
67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
/* GSK - The GTK Scene Kit
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*
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* Copyright 2016 Endless
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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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#ifndef __GSK_RENDERER_PRIVATE_H__
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#define __GSK_RENDERER_PRIVATE_H__
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#include "gskrenderer.h"
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#include "gskprofilerprivate.h"
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G_BEGIN_DECLS
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#define GSK_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GSK_TYPE_RENDERER, GskRendererClass))
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#define GSK_IS_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GSK_TYPE_RENDERER))
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#define GSK_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GSK_TYPE_RENDERER, GskRendererClass))
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struct _GskRenderer
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{
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GObject parent_instance;
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};
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struct _GskRendererClass
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{
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GObjectClass parent_class;
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gboolean (* realize) (GskRenderer *renderer);
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void (* unrealize) (GskRenderer *renderer);
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void (* render) (GskRenderer *renderer,
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GskRenderNode *root);
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cairo_surface_t * (* create_cairo_surface) (GskRenderer *renderer,
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cairo_format_t,
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int width,
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int height);
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};
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gboolean gsk_renderer_is_realized (GskRenderer *renderer);
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GskRenderNode * gsk_renderer_get_root_node (GskRenderer *renderer);
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GdkDrawingContext * gsk_renderer_get_drawing_context (GskRenderer *renderer);
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cairo_t * gsk_renderer_get_cairo_context (GskRenderer *renderer);
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cairo_surface_t * gsk_renderer_create_cairo_surface (GskRenderer *renderer,
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cairo_format_t format,
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int width,
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int height);
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GskProfiler * gsk_renderer_get_profiler (GskRenderer *renderer);
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G_END_DECLS
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#endif /* __GSK_RENDERER_PRIVATE_H__ */
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