gtk/gsk/gskrendernodeprivate.h
2016-10-18 11:49:07 +01:00

94 lines
2.5 KiB
C

#ifndef __GSK_RENDER_NODE_PRIVATE_H__
#define __GSK_RENDER_NODE_PRIVATE_H__
#include "gskrendernode.h"
#include <cairo.h>
G_BEGIN_DECLS
#define GSK_RENDER_NODE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GSK_TYPE_RENDER_NODE, GskRenderNodeClass))
#define GSK_IS_RENDER_NODE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GSK_TYPE_RENDER_NODE))
#define GSK_RENDER_NODE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GSK_TYPE_RENDER_NODE, GskRenderNodeClass))
struct _GskRenderNode
{
GTypeInstance parent_instance;
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 */
cairo_surface_t *surface;
/* Paint opacity */
double opacity;
/* Blend mode */
GskBlendMode blend_mode;
/* 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;
/* Transformations applied to the children of the node */
graphene_matrix_t child_transform;
/* Bit fields; leave at the end */
gboolean is_mutable : 1;
gboolean hidden : 1;
gboolean opaque : 1;
gboolean transform_set : 1;
gboolean child_transform_set : 1;
gboolean needs_world_matrix_update : 1;
};
struct _GskRenderNodeClass
{
GTypeClass parent_class;
void (* finalize) (GskRenderNode *node);
};
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);
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__ */