gtk2/gsk/gskrendernodeprivate.h
2016-12-20 18:01:09 +01:00

97 lines
2.4 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;
/* The graph */
GskRenderNode *parent;
GskRenderNode *first_child;
GskRenderNode *last_child;
GskRenderNode *prev_sibling;
GskRenderNode *next_sibling;
int n_children;
/* Use for debugging */
char *name;
/* Tag updated when adding/removing children */
gint64 age;
/* Paint opacity */
double opacity;
/* Blend mode */
GskBlendMode blend_mode;
/* Scaling filters */
GskScalingFilter min_filter;
GskScalingFilter mag_filter;
/* Clip rectangle */
graphene_rect_t bounds;
/* Transformations relative to the root of the scene */
graphene_matrix_t world_matrix;
/* Transformations applied to the node */
graphene_matrix_t transform;
/* Bit fields; leave at the end */
gboolean is_mutable : 1;
gboolean transform_set : 1;
gboolean needs_world_matrix_update : 1;
};
struct _GskRenderNodeClass
{
GskRenderNodeType node_type;
gsize struct_size;
const char *type_name;
void (* finalize) (GskRenderNode *node);
void (* make_immutable) (GskRenderNode *node);
};
GskRenderNode *gsk_render_node_new (const GskRenderNodeClass *node_class);
void gsk_render_node_make_immutable (GskRenderNode *node);
void gsk_render_node_get_bounds (GskRenderNode *node,
graphene_rect_t *frame);
void gsk_render_node_get_transform (GskRenderNode *node,
graphene_matrix_t *mv);
double gsk_render_node_get_opacity (GskRenderNode *node);
cairo_surface_t *gsk_cairo_node_get_surface (GskRenderNode *node);
GskTexture *gsk_texture_node_get_texture (GskRenderNode *node);
GskBlendMode gsk_render_node_get_blend_mode (GskRenderNode *node);
GskRenderNode *gsk_render_node_get_toplevel (GskRenderNode *node);
void gsk_render_node_update_world_matrix (GskRenderNode *node,
gboolean force);
void gsk_render_node_get_world_matrix (GskRenderNode *node,
graphene_matrix_t *mv);
int gsk_render_node_get_size (GskRenderNode *root);
G_END_DECLS
#endif /* __GSK_RENDER_NODE_PRIVATE_H__ */