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54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
#ifndef __GSK_RENDER_NODE_PRIVATE_H__
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#define __GSK_RENDER_NODE_PRIVATE_H__
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#include "gskrendernode.h"
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#include <cairo.h>
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G_BEGIN_DECLS
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typedef struct _GskRenderNodeClass GskRenderNodeClass;
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#define GSK_IS_RENDER_NODE_TYPE(node,type) (GSK_IS_RENDER_NODE (node) && (node)->node_class->node_type == (type))
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struct _GskRenderNode
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{
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const GskRenderNodeClass *node_class;
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volatile int ref_count;
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graphene_rect_t bounds;
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};
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struct _GskRenderNodeClass
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{
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GskRenderNodeType node_type;
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gsize struct_size;
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const char *type_name;
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void (* finalize) (GskRenderNode *node);
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void (* draw) (GskRenderNode *node,
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cairo_t *cr);
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gboolean (* can_diff) (GskRenderNode *node1,
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GskRenderNode *node2);
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void (* diff) (GskRenderNode *node1,
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GskRenderNode *node2,
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cairo_region_t *region);
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};
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GskRenderNode * gsk_render_node_new (const GskRenderNodeClass *node_class,
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gsize extra_size);
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gboolean gsk_render_node_can_diff (GskRenderNode *node1,
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GskRenderNode *node2);
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void gsk_render_node_diff (GskRenderNode *node1,
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GskRenderNode *node2,
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cairo_region_t *region);
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void gsk_render_node_diff_impossible (GskRenderNode *node1,
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GskRenderNode *node2,
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cairo_region_t *region);
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G_END_DECLS
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#endif /* __GSK_RENDER_NODE_PRIVATE_H__ */
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