forked from AuroraMiddleware/gtk
d1fec79c00
We now try to emulate cairo_t: We keep a stack of nodes via push/pop and a transform matrix. So whenever a new node is added to the snapshot, we transform it by the current transform matrix and append it to the current node.
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2016 Benjamin Otte <otte@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GTK_SNAPSHOT_PRIVATE_H__
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#define __GTK_SNAPSHOT_PRIVATE_H__
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#include "gtksnapshot.h"
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G_BEGIN_DECLS
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struct _GtkSnapshot {
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GskRenderNode *node;
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GskRenderNode *root;
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GskRenderer *renderer;
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graphene_matrix_t transform;
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};
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void gtk_snapshot_init (GtkSnapshot *state,
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GskRenderer *renderer);
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GskRenderNode * gtk_snapshot_finish (GtkSnapshot *state);
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static inline const graphene_matrix_t *
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gtk_snapshot_get_transform (const GtkSnapshot *snapshot)
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{
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return &snapshot->transform;
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}
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G_END_DECLS
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#endif /* __GTK_SNAPSHOT_PRIVATE_H__ */
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