117 lines
5.8 KiB
C
117 lines
5.8 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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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 <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_TILE_HANDLER_VALIDATE_H__
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#define __PIKA_TILE_HANDLER_VALIDATE_H__
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#include <gegl-buffer-backend.h>
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/***
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* PikaTileHandlerValidate is a GeglTileHandler that renders the
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* projection.
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*/
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G_BEGIN_DECLS
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#define PIKA_TYPE_TILE_HANDLER_VALIDATE (pika_tile_handler_validate_get_type ())
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#define PIKA_TILE_HANDLER_VALIDATE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_TILE_HANDLER_VALIDATE, PikaTileHandlerValidate))
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#define PIKA_TILE_HANDLER_VALIDATE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_TILE_HANDLER_VALIDATE, PikaTileHandlerValidateClass))
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#define PIKA_IS_TILE_HANDLER_VALIDATE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_TILE_HANDLER_VALIDATE))
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#define PIKA_IS_TILE_HANDLER_VALIDATE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_TILE_HANDLER_VALIDATE))
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#define PIKA_TILE_HANDLER_VALIDATE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_TILE_HANDLER_VALIDATE, PikaTileHandlerValidateClass))
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typedef struct _PikaTileHandlerValidate PikaTileHandlerValidate;
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typedef struct _PikaTileHandlerValidateClass PikaTileHandlerValidateClass;
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struct _PikaTileHandlerValidate
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{
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GeglTileHandler parent_instance;
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GeglNode *graph;
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cairo_region_t *dirty_region;
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const Babl *format;
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gint tile_width;
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gint tile_height;
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gboolean whole_tile;
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gint validating;
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gint suspend_validate;
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};
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struct _PikaTileHandlerValidateClass
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{
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GeglTileHandlerClass parent_class;
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/* signals */
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void (* invalidated) (PikaTileHandlerValidate *validate,
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const GeglRectangle *rect);
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/* virtual functions */
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void (* begin_validate) (PikaTileHandlerValidate *validate);
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void (* end_validate) (PikaTileHandlerValidate *validate);
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void (* validate) (PikaTileHandlerValidate *validate,
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const GeglRectangle *rect,
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const Babl *format,
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gpointer dest_buf,
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gint dest_stride);
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void (* validate_buffer) (PikaTileHandlerValidate *validate,
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const GeglRectangle *rect,
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GeglBuffer *buffer);
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};
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GType pika_tile_handler_validate_get_type (void) G_GNUC_CONST;
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GeglTileHandler * pika_tile_handler_validate_new (GeglNode *graph);
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void pika_tile_handler_validate_assign (PikaTileHandlerValidate *validate,
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GeglBuffer *buffer);
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void pika_tile_handler_validate_unassign (PikaTileHandlerValidate *validate,
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GeglBuffer *buffer);
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PikaTileHandlerValidate * pika_tile_handler_validate_get_assigned (GeglBuffer *buffer);
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void pika_tile_handler_validate_invalidate (PikaTileHandlerValidate *validate,
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const GeglRectangle *rect);
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void pika_tile_handler_validate_undo_invalidate (PikaTileHandlerValidate *validate,
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const GeglRectangle *rect);
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void pika_tile_handler_validate_begin_validate (PikaTileHandlerValidate *validate);
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void pika_tile_handler_validate_end_validate (PikaTileHandlerValidate *validate);
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void pika_tile_handler_validate_validate (PikaTileHandlerValidate *validate,
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GeglBuffer *buffer,
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const GeglRectangle *rect,
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gboolean intersect,
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gboolean chunked);
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gboolean pika_tile_handler_validate_buffer_set_extent (GeglBuffer *buffer,
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const GeglRectangle *extent);
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void pika_tile_handler_validate_buffer_copy (GeglBuffer *src_buffer,
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const GeglRectangle *src_rect,
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GeglBuffer *dst_buffer,
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const GeglRectangle *dst_rect);
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G_END_DECLS
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#endif /* __PIKA_TILE_HANDLER_VALIDATE_H__ */
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