mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-23 20:30:15 +00:00
107 lines
4.4 KiB
C
107 lines
4.4 KiB
C
#pragma once
|
|
|
|
#include "gskrendernode.h"
|
|
#include <cairo.h>
|
|
|
|
#include "gdk/gdkmemoryformatprivate.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_STROKE_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))
|
|
|
|
#define GSK_RENDER_NODE_TYPE(node) \
|
|
(G_TYPE_INSTANCE_GET_CLASS ((node), GSK_TYPE_RENDER_NODE, GskRenderNodeClass)->node_type)
|
|
|
|
struct _GskRenderNode
|
|
{
|
|
GTypeInstance parent_instance;
|
|
|
|
gatomicrefcount ref_count;
|
|
|
|
graphene_rect_t bounds;
|
|
|
|
guint preferred_depth : 2;
|
|
guint offscreen_for_opacity : 1;
|
|
};
|
|
|
|
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);
|
|
};
|
|
|
|
void gsk_render_node_init_types (void);
|
|
|
|
GType gsk_render_node_type_register_static (const char *node_name,
|
|
gsize instance_size,
|
|
GClassInitFunc class_init);
|
|
|
|
gpointer gsk_render_node_alloc (GskRenderNodeType node_type);
|
|
|
|
void _gsk_render_node_unref (GskRenderNode *node);
|
|
|
|
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);
|
|
void gsk_container_node_diff_with (GskRenderNode *container,
|
|
GskRenderNode *other,
|
|
cairo_region_t *region);
|
|
|
|
bool gsk_border_node_get_uniform (const GskRenderNode *self);
|
|
bool gsk_border_node_get_uniform_color (const GskRenderNode *self);
|
|
|
|
void gsk_text_node_serialize_glyphs (GskRenderNode *self,
|
|
GString *str);
|
|
|
|
GskRenderNode ** gsk_container_node_get_children (const GskRenderNode *node,
|
|
guint *n_children);
|
|
|
|
void gsk_transform_node_get_translate (const GskRenderNode *node,
|
|
float *dx,
|
|
float *dy);
|
|
GdkMemoryDepth gsk_render_node_get_preferred_depth (const GskRenderNode *node);
|
|
|
|
gboolean gsk_container_node_is_disjoint (const GskRenderNode *node);
|
|
|
|
gboolean gsk_render_node_use_offscreen_for_opacity (const GskRenderNode *node);
|
|
|
|
#define gsk_render_node_ref(node) _gsk_render_node_ref(node)
|
|
#define gsk_render_node_unref(node) _gsk_render_node_unref(node)
|
|
|
|
static inline GskRenderNode *
|
|
_gsk_render_node_ref (GskRenderNode *node)
|
|
{
|
|
g_atomic_ref_count_inc (&node->ref_count);
|
|
return node;
|
|
}
|
|
|
|
G_END_DECLS
|
|
|