gimp/app/core/gimpdrawable-equalize.c
Michael Natterer 7a6a8d9dbb Moved the undo step implementations to the core and pass around lots of
2003-02-14  Michael Natterer  <mitch@gimp.org>

	Moved the undo step implementations to the core and pass around
	lots of "const gchar *undo_desc". Fixes bug #104367.

	* app/Makefile.am
	* app/undo.[ch]: removed...

	* app/core/Makefile.am
	* app/core/gimpimage-undo-push.[ch]: ...and added here.

	* app/paint/Makefile.am
	* app/tools/Makefile.am
	* app/paint/gimppaintcore-undo.[ch]
	* app/tools/gimptransformtool-undo.[ch]: new files for the
	paint and transform undos.

	* app/core/gimppaintinfo.[ch]: added a blurb.

	* app/paint/gimpairbrush.c
	* app/paint/gimpclone.c
	* app/paint/gimpconvolve.c
	* app/paint/gimpdodgeburn.c
	* app/paint/gimperaser.c
	* app/paint/gimppaintbrush.c
	* app/paint/gimppaintcore.c
	* app/paint/gimppencil.c
	* app/paint/gimpsmudge.c
	* app/paint/paint-types.h
	* app/paint/paint.c: pass the blurb when registering the core.

	* app/core/gimpdrawable.[ch]
	* app/core/gimpimage.[ch]
	* app/core/gimpimage-mask-select.[ch]
	* app/core/gimpimage-mask.[ch]
	* app/core/gimpimagemap.[ch]
	* app/core/gimplayer-floating-sel.[ch]: added "undo_desc" parameters
	to all undo pushing helper functions.

	* app/undo_history.c
	* app/core/gimpchannel.c
	* app/core/gimpdrawable-blend.c
	* app/core/gimpdrawable-bucket-fill.c
	* app/core/gimpdrawable-desaturate.c
	* app/core/gimpdrawable-equalize.c
	* app/core/gimpdrawable-invert.c
	* app/core/gimpdrawable-offset.c
	* app/core/gimpdrawable-transform.c
	* app/core/gimpedit.c
	* app/core/gimpimage-convert.c
	* app/core/gimpimage-crop.c
	* app/core/gimpimage-guides.c
	* app/core/gimpimage-merge.c
	* app/core/gimpimage-qmask.c
	* app/core/gimpimage-resize.c
	* app/core/gimpimage-scale.c
	* app/core/gimpimage-undo.c
	* app/core/gimpitem.c
	* app/core/gimplayer.c
	* app/core/gimplayermask.c
	* app/display/gimpdisplayshell-dnd.c
	* app/file/file-open.c
	* app/file/file-save.c
	* app/gui/channels-commands.c
	* app/gui/file-commands.c
	* app/gui/file-open-dialog.c
	* app/gui/image-commands.c
	* app/gui/layers-commands.c
	* app/gui/paths-dialog.c
	* app/gui/select-commands.c
	* app/gui/vectors-commands.c
	* app/text/gimptext-compat.c
	* app/tools/gimpbezierselecttool.c
	* app/tools/gimpbucketfilltool.c
	* app/tools/gimpeditselectiontool.c
	* app/tools/gimpfreeselecttool.c
	* app/tools/gimpfuzzyselecttool.c
	* app/tools/gimpimagemaptool.c
	* app/tools/gimpinktool.c
	* app/tools/gimpiscissorstool.c
	* app/tools/gimpmeasuretool.c
	* app/tools/gimpmovetool.c
	* app/tools/gimppainttool.c
	* app/tools/gimprectselecttool.c
	* app/tools/gimptexttool.c
	* app/tools/gimptransformtool.c
	* app/widgets/gimpchannellistview.c
	* app/widgets/gimpdrawablelistview.c
	* app/widgets/gimpselectioneditor.c
	* tools/pdbgen/pdb/color.pdb
	* tools/pdbgen/pdb/drawable.pdb
	* tools/pdbgen/pdb/guides.pdb
	* tools/pdbgen/pdb/layer.pdb
	* tools/pdbgen/pdb/selection.pdb
	* tools/pdbgen/pdb/selection_tools.pdb: changed accordingly: pass
	"undo_desc" strings, changed includes or simply removed inclusion
	of "undo.h". Some random cleanups.

	* tools/pdbgen/pdb/guides.pdb: cleaned up a lot. Fixed
	gimp_image_find_next_guide() to not return guides with
	position < 0 (and made it shorter and readable).

	* app/pdb/color_cmds.c
	* app/pdb/drawable_cmds.c
	* app/pdb/guides_cmds.c
	* app/pdb/layer_cmds.c
	* app/pdb/selection_cmds.c
	* app/pdb/selection_tools_cmds.c: regenerated.
2003-02-14 14:14:29 +00:00

89 lines
2.6 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <glib-object.h>
#include "core-types.h"
#include "base/gimphistogram.h"
#include "base/gimplut.h"
#include "base/lut-funcs.h"
#include "base/pixel-processor.h"
#include "base/pixel-region.h"
#include "config/gimpbaseconfig.h"
#include "gimp.h"
#include "gimpdrawable.h"
#include "gimpdrawable-equalize.h"
#include "gimpdrawable-histogram.h"
#include "gimpimage.h"
#include "libgimp/gimpintl.h"
void
gimp_drawable_equalize (GimpDrawable *drawable,
gboolean mask_only)
{
PixelRegion srcPR, destPR;
guchar *mask;
gint has_alpha;
gint alpha, bytes;
gint x1, y1, x2, y2;
GimpHistogram *hist;
GimpLut *lut;
GimpImage *gimage;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
mask = NULL;
bytes = gimp_drawable_bytes (drawable);
has_alpha = gimp_drawable_has_alpha (drawable);
alpha = has_alpha ? (bytes - 1) : bytes;
gimage = gimp_item_get_image (GIMP_ITEM (drawable));
hist = gimp_histogram_new (GIMP_BASE_CONFIG (gimage->gimp->config));
gimp_drawable_calculate_histogram (drawable, hist);
/* Build equalization LUT */
lut = eq_histogram_lut_new (hist, bytes);
/* Apply the histogram */
gimp_drawable_mask_bounds (drawable, &x1, &y1, &x2, &y2);
pixel_region_init (&srcPR, gimp_drawable_data (drawable),
x1, y1, (x2 - x1), (y2 - y1), FALSE);
pixel_region_init (&destPR, gimp_drawable_shadow (drawable),
x1, y1, (x2 - x1), (y2 - y1), TRUE);
pixel_regions_process_parallel ((p_func) gimp_lut_process, lut,
2, &srcPR, &destPR);
gimp_lut_free (lut);
gimp_histogram_free (hist);
gimp_drawable_merge_shadow (drawable, TRUE, _("Equalize"));
gimp_drawable_update (drawable, x1, y1, (x2 - x1), (y2 - y1));
}