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

92 lines
2.3 KiB
C

#ifndef __GSK_RENDER_NODE_PRIVATE_H__
#define __GSK_RENDER_NODE_PRIVATE_H__
#include "gskrendernode.h"
#include <cairo.h>
G_BEGIN_DECLS
struct _GskRenderNode
{
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;
/* The contents of the node as a Cairo surface */
cairo_surface_t *surface;
/* The contents of the node as a texture */
GskTexture *texture;
/* 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 opaque : 1;
gboolean transform_set : 1;
gboolean needs_world_matrix_update : 1;
};
GskRenderNode *gsk_render_node_new (void);
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_render_node_get_surface (GskRenderNode *node);
GskTexture *gsk_render_node_get_texture (GskRenderNode *node);
gboolean gsk_render_node_has_surface (GskRenderNode *node);
gboolean gsk_render_node_has_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__ */