gtk/gsk/gskrendernodeprivate.h
2019-05-25 23:50:46 +02:00

54 lines
1.9 KiB
C

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