6ba873d3fc
We will implement stroking by filling the stroke path. Compute the stroke path ahead of time, so we don't have to do it over and over. This may change in the future, at least for simple strokes, so keep this private.
94 lines
4.0 KiB
C
94 lines
4.0 KiB
C
#pragma once
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#include "gskrendernode.h"
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#include <cairo.h>
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#include "gdk/gdkmemoryformatprivate.h"
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G_BEGIN_DECLS
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typedef struct _GskRenderNodeClass GskRenderNodeClass;
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/* Keep this in sync with the GskRenderNodeType enumeration.
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*
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* We don't add an "n-types" value to avoid having to handle
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* it in every single switch.
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*/
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#define GSK_RENDER_NODE_TYPE_N_TYPES (GSK_MASK_NODE + 1)
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extern GType gsk_render_node_types[];
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#define GSK_IS_RENDER_NODE_TYPE(node,type) \
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(G_TYPE_INSTANCE_GET_CLASS ((node), GSK_TYPE_RENDER_NODE, GskRenderNodeClass)->node_type == (type))
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struct _GskRenderNode
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{
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GTypeInstance parent_instance;
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gatomicrefcount ref_count;
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graphene_rect_t bounds;
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guint preferred_depth : 2;
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guint offscreen_for_opacity : 1;
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};
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struct _GskRenderNodeClass
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{
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GTypeClass parent_class;
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GskRenderNodeType node_type;
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void (* finalize) (GskRenderNode *node);
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void (* draw) (GskRenderNode *node,
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cairo_t *cr);
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gboolean (* can_diff) (const GskRenderNode *node1,
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const GskRenderNode *node2);
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void (* diff) (GskRenderNode *node1,
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GskRenderNode *node2,
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cairo_region_t *region);
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};
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void gsk_render_node_init_types (void);
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GType gsk_render_node_type_register_static (const char *node_name,
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gsize instance_size,
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GClassInitFunc class_init);
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gpointer gsk_render_node_alloc (GskRenderNodeType node_type);
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gboolean gsk_render_node_can_diff (const GskRenderNode *node1,
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const GskRenderNode *node2) G_GNUC_PURE;
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void gsk_render_node_diff (GskRenderNode *node1,
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GskRenderNode *node2,
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cairo_region_t *region);
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void gsk_render_node_diff_impossible (GskRenderNode *node1,
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GskRenderNode *node2,
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cairo_region_t *region);
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void gsk_container_node_diff_with (GskRenderNode *container,
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GskRenderNode *other,
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cairo_region_t *region);
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bool gsk_border_node_get_uniform (const GskRenderNode *self);
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bool gsk_border_node_get_uniform_color (const GskRenderNode *self);
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void gsk_text_node_serialize_glyphs (GskRenderNode *self,
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GString *str);
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GskRenderNode ** gsk_container_node_get_children (const GskRenderNode *node,
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guint *n_children);
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void gsk_transform_node_get_translate (const GskRenderNode *node,
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float *dx,
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float *dy);
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GdkMemoryDepth gsk_render_node_get_preferred_depth (const GskRenderNode *node);
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gboolean gsk_container_node_is_disjoint (const GskRenderNode *node);
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gboolean gsk_render_node_use_offscreen_for_opacity (const GskRenderNode *node);
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GskPath * gsk_stroke_node_get_stroke_path (const GskRenderNode *node);
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G_END_DECLS
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