/* 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);
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__ */