118 lines
4.8 KiB
C
118 lines
4.8 KiB
C
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#pragma once
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#include "gskrendernode.h"
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#include "gskoffloadprivate.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_SUBSURFACE_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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#define GSK_RENDER_NODE_TYPE(node) \
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(G_TYPE_INSTANCE_GET_CLASS ((node), GSK_TYPE_RENDER_NODE, GskRenderNodeClass)->node_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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typedef struct
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{
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cairo_region_t *region;
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GskOffload *offload;
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} GskDiffData;
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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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GskDiffData *data);
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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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void _gsk_render_node_unref (GskRenderNode *node);
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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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GskOffload *offload);
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void gsk_render_node_data_diff (GskRenderNode *node1,
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GskRenderNode *node2,
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GskDiffData *data);
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void gsk_render_node_diff_impossible (GskRenderNode *node1,
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GskRenderNode *node2,
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GskDiffData *data);
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void gsk_container_node_diff_with (GskRenderNode *container,
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GskRenderNode *other,
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GskDiffData *data);
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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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#define gsk_render_node_ref(node) _gsk_render_node_ref(node)
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#define gsk_render_node_unref(node) _gsk_render_node_unref(node)
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static inline GskRenderNode *
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_gsk_render_node_ref (GskRenderNode *node)
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{
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g_atomic_ref_count_inc (&node->ref_count);
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return node;
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}
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G_END_DECLS
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