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#ifndef __GSK_RENDER_NODE_PRIVATE_H__
#define __GSK_RENDER_NODE_PRIVATE_H__
#include "gskrendernode.h"
#include <cairo.h>
G_BEGIN_DECLS
typedef struct _GskRenderNodeClass GskRenderNodeClass;
/* Keep this in sync with the GskRenderNodeType enumeration.
*
* We don't add an "n-types" value to avoid having to handle
* it in every single switch.
*/
#define GSK_RENDER_NODE_TYPE_N_TYPES (GSK_GL_SHADER_NODE + 1)
extern GType gsk_render_node_types[];
#define GSK_IS_RENDER_NODE_TYPE(node,type) \
(G_TYPE_INSTANCE_GET_CLASS ((node), GSK_TYPE_RENDER_NODE, GskRenderNodeClass)->node_type == (type))
struct _GskRenderNode
{
GTypeInstance parent_instance;
gatomicrefcount ref_count;
graphene_rect_t bounds;
};
struct _GskRenderNodeClass
{
GTypeClass parent_class;
GskRenderNodeType node_type;
void (* finalize) (GskRenderNode *node);
void (* draw) (GskRenderNode *node,
cairo_t *cr);
gboolean (* can_diff) (const GskRenderNode *node1,
const GskRenderNode *node2);
void (* diff) (GskRenderNode *node1,
GskRenderNode *node2,
cairo_region_t *region);
};
/*< private >
* GskRenderNodeTypeInfo:
* @node_type: the render node type in the #GskRenderNodeType enumeration
* @instance_size: the size of the render node instance
* @instance_init: (nullable): the instance initialization function
* @finalize: (nullable): the instance finalization function; must chain up to the
* implementation of the parent class
* @draw: the function called by gsk_render_node_draw()
* @can_diff: (nullable): the function called by gsk_render_node_can_diff(); if
* unset, gsk_render_node_can_diff_true() will be used
* @diff: (nullable): the function called by gsk_render_node_diff(); if unset,
* gsk_render_node_diff_impossible() will be used
*
* A struction that contains the type information for a #GskRenderNode subclass,
* to be used by gsk_render_node_type_register_static().
*/
typedef struct
{
GskRenderNodeType node_type;
gsize instance_size;
void (* instance_init) (GskRenderNode *node);
void (* finalize) (GskRenderNode *node);
void (* draw) (GskRenderNode *node,
cairo_t *cr);
gboolean (* can_diff) (const GskRenderNode *node1,
const GskRenderNode *node2);
void (* diff) (GskRenderNode *node1,
GskRenderNode *node2,
cairo_region_t *region);
} GskRenderNodeTypeInfo;
void gsk_render_node_init_types (void);
GType gsk_render_node_type_register_static (const char *node_name,
const GskRenderNodeTypeInfo *node_info);
gpointer gsk_render_node_alloc (GskRenderNodeType node_type);
gboolean gsk_render_node_can_diff (const GskRenderNode *node1,
const GskRenderNode *node2) G_GNUC_PURE;
void gsk_render_node_diff (GskRenderNode *node1,
GskRenderNode *node2,
cairo_region_t *region);
void gsk_render_node_diff_impossible (GskRenderNode *node1,
GskRenderNode *node2,
cairo_region_t *region);
bool gsk_border_node_get_uniform (GskRenderNode *self);
void gsk_text_node_serialize_glyphs (GskRenderNode *self,
GString *str);
G_END_DECLS
#endif /* __GSK_RENDER_NODE_PRIVATE_H__ */
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