gtk2/gtk/gtksnapshotprivate.h
Benjamin Otte f8932d643d snapshot: Always create an initial node
This way we ensure that there is only one root node and everybody can
append() with impunity.
2016-12-09 21:39:43 +01:00

61 lines
1.9 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2016 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GTK_SNAPSHOT_PRIVATE_H__
#define __GTK_SNAPSHOT_PRIVATE_H__
#include "gtksnapshot.h"
G_BEGIN_DECLS
typedef struct _GtkSnapshotState GtkSnapshotState;
struct _GtkSnapshotState {
GtkSnapshotState *parent;
GskRenderNode *node;
graphene_matrix_t transform;
graphene_matrix_t world_transform;
guint world_is_valid : 1;
};
struct _GtkSnapshot {
GtkSnapshotState *state;
GskRenderNode *root;
GskRenderer *renderer;
const cairo_region_t *clip_region;
};
void gtk_snapshot_init (GtkSnapshot *state,
GskRenderer *renderer,
const cairo_region_t *clip,
const char *name,
...) G_GNUC_PRINTF (4, 5);
GskRenderNode * gtk_snapshot_finish (GtkSnapshot *state);
static inline const graphene_matrix_t *
gtk_snapshot_get_transform (const GtkSnapshot *snapshot)
{
return &snapshot->state->transform;
}
G_END_DECLS
#endif /* __GTK_SNAPSHOT_PRIVATE_H__ */