mirror of https://github.com/GNOME/gimp.git
95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GIMP_PROJECTION_H__
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#define __GIMP_PROJECTION_H__
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#include "gimpobject.h"
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typedef struct _GimpProjectionChunkRender GimpProjectionChunkRender;
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struct _GimpProjectionChunkRender
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{
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gboolean running;
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gint width;
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gint height;
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gint x;
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gint y;
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gint base_x;
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gint base_y;
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GSList *update_areas; /* flushed update areas */
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};
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#define GIMP_TYPE_PROJECTION (gimp_projection_get_type ())
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#define GIMP_PROJECTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PROJECTION, GimpProjection))
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#define GIMP_PROJECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PROJECTION, GimpProjectionClass))
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#define GIMP_IS_PROJECTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_PROJECTION))
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#define GIMP_IS_PROJECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PROJECTION))
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#define GIMP_PROJECTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PROJECTION, GimpProjectionClass))
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typedef struct _GimpProjectionClass GimpProjectionClass;
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struct _GimpProjection
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{
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GimpObject parent_instance;
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GimpProjectable *projectable;
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GeglBuffer *buffer;
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gpointer validate_handler;
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GSList *update_areas;
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GimpProjectionChunkRender chunk_render;
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guint chunk_render_idle_id;
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gboolean invalidate_preview;
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};
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struct _GimpProjectionClass
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{
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GimpObjectClass parent_class;
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void (* update) (GimpProjection *proj,
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gboolean now,
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gint x,
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gint y,
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gint width,
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gint height);
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};
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GType gimp_projection_get_type (void) G_GNUC_CONST;
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GimpProjection * gimp_projection_new (GimpProjectable *projectable);
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void gimp_projection_flush (GimpProjection *proj);
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void gimp_projection_flush_now (GimpProjection *proj);
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void gimp_projection_finish_draw (GimpProjection *proj);
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gint64 gimp_projection_estimate_memsize (GimpImageBaseType type,
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GimpPrecision precision,
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gint width,
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gint height);
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#endif /* __GIMP_PROJECTION_H__ */
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