3ce071b89a
Except of course the initial indexed conversion which needs more logic than a simple color mapping.
144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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* Copyright (C) 1997-2004 Adam D. Moss <adam@gimp.org>
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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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#include "config.h"
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#include <cairo.h>
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#include <gegl.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "core-types.h"
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#include "base/tile-manager.h"
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#include "gegl/gimp-gegl-utils.h"
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#include "gimpdrawable.h"
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#include "gimpdrawable-convert.h"
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#include "gimpimage.h"
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#include "gimpimage-colormap.h"
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void
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gimp_drawable_convert_rgb (GimpDrawable *drawable,
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gboolean push_undo)
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{
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GimpImageType type;
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TileManager *tiles;
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GeglBuffer *dest_buffer;
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g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
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g_return_if_fail (! gimp_drawable_is_rgb (drawable));
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type = GIMP_RGB_IMAGE;
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if (gimp_drawable_has_alpha (drawable))
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type = GIMP_IMAGE_TYPE_WITH_ALPHA (type);
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tiles = tile_manager_new (gimp_item_get_width (GIMP_ITEM (drawable)),
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gimp_item_get_height (GIMP_ITEM (drawable)),
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GIMP_IMAGE_TYPE_BYTES (type));
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dest_buffer = gimp_tile_manager_create_buffer (tiles, NULL, TRUE);
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gegl_buffer_copy (gimp_drawable_get_read_buffer (drawable), NULL,
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dest_buffer, NULL);
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g_object_unref (dest_buffer);
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gimp_drawable_set_tiles (drawable, push_undo, NULL,
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tiles, type);
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tile_manager_unref (tiles);
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}
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void
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gimp_drawable_convert_grayscale (GimpDrawable *drawable,
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gboolean push_undo)
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{
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GimpImageType type;
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TileManager *tiles;
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GeglBuffer *dest_buffer;
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g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
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g_return_if_fail (! gimp_drawable_is_gray (drawable));
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type = GIMP_GRAY_IMAGE;
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if (gimp_drawable_has_alpha (drawable))
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type = GIMP_IMAGE_TYPE_WITH_ALPHA (type);
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tiles = tile_manager_new (gimp_item_get_width (GIMP_ITEM (drawable)),
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gimp_item_get_height (GIMP_ITEM (drawable)),
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GIMP_IMAGE_TYPE_BYTES (type));
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dest_buffer = gimp_tile_manager_create_buffer (tiles, NULL, TRUE);
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gegl_buffer_copy (gimp_drawable_get_read_buffer (drawable), NULL,
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dest_buffer, NULL);
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g_object_unref (dest_buffer);
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gimp_drawable_set_tiles (drawable, push_undo, NULL,
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tiles, type);
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tile_manager_unref (tiles);
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}
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void
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gimp_drawable_convert_indexed (GimpDrawable *drawable,
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GimpImage *dest_image,
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gboolean push_undo)
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{
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GimpImageType type;
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TileManager *tiles;
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GeglBuffer *dest_buffer;
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const Babl *format;
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g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
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g_return_if_fail (GIMP_IS_IMAGE (dest_image));
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g_return_if_fail (! gimp_drawable_is_gray (drawable));
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type = GIMP_INDEXED_IMAGE;
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if (gimp_drawable_has_alpha (drawable))
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{
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type = GIMP_IMAGE_TYPE_WITH_ALPHA (type);
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format = gimp_image_colormap_get_rgba_format (dest_image);
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}
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else
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{
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format = gimp_image_colormap_get_rgb_format (dest_image);
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}
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tiles = tile_manager_new (gimp_item_get_width (GIMP_ITEM (drawable)),
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gimp_item_get_height (GIMP_ITEM (drawable)),
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GIMP_IMAGE_TYPE_BYTES (type));
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dest_buffer = gimp_tile_manager_create_buffer (tiles, format, TRUE);
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gegl_buffer_copy (gimp_drawable_get_read_buffer (drawable), NULL,
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dest_buffer, NULL);
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g_object_unref (dest_buffer);
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gimp_drawable_set_tiles (drawable, push_undo, NULL,
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tiles, type);
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tile_manager_unref (tiles);
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}
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