forked from AuroraMiddleware/gtk
101 lines
2.5 KiB
C
101 lines
2.5 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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/* The graph */
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GskRenderNode *parent;
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GskRenderNode *first_child;
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GskRenderNode *last_child;
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GskRenderNode *prev_sibling;
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GskRenderNode *next_sibling;
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int n_children;
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/* Use for debugging */
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char *name;
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/* Tag updated when adding/removing children */
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gint64 age;
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/* The contents of the node as a Cairo surface */
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cairo_surface_t *surface;
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/* The contents of the node as a texture */
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GskTexture *texture;
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/* Paint opacity */
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double opacity;
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/* Blend mode */
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GskBlendMode blend_mode;
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/* Scaling filters */
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GskScalingFilter min_filter;
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GskScalingFilter mag_filter;
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/* Clip rectangle */
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graphene_rect_t bounds;
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/* Transformations relative to the root of the scene */
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graphene_matrix_t world_matrix;
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/* Transformations applied to the node */
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graphene_matrix_t transform;
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/* Bit fields; leave at the end */
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gboolean is_mutable : 1;
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gboolean opaque : 1;
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gboolean transform_set : 1;
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gboolean needs_world_matrix_update : 1;
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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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const char *type_name;
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};
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GskRenderNode *gsk_render_node_new (const GskRenderNodeClass *node_class);
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void gsk_render_node_make_immutable (GskRenderNode *node);
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void gsk_render_node_get_bounds (GskRenderNode *node,
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graphene_rect_t *frame);
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void gsk_render_node_get_transform (GskRenderNode *node,
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graphene_matrix_t *mv);
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double gsk_render_node_get_opacity (GskRenderNode *node);
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cairo_surface_t *gsk_cairo_node_get_surface (GskRenderNode *node);
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GskTexture *gsk_texture_node_get_texture (GskRenderNode *node);
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GskBlendMode gsk_render_node_get_blend_mode (GskRenderNode *node);
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GskRenderNode *gsk_render_node_get_toplevel (GskRenderNode *node);
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void gsk_render_node_update_world_matrix (GskRenderNode *node,
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gboolean force);
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void gsk_render_node_get_world_matrix (GskRenderNode *node,
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graphene_matrix_t *mv);
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int gsk_render_node_get_size (GskRenderNode *root);
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G_END_DECLS
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#endif /* __GSK_RENDER_NODE_PRIVATE_H__ */
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