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9eaace417f
2004-01-13 Michael Natterer <mitch@gimp.org> * app/base/gimphistogram.[ch]: renamed gimp_histogram_nchannels() to gimp_histogram_n_channels(). * app/core/gimpdrawable-histogram.c: removed silly double negation logic. Cleanup. * app/widgets/gimphistogrameditor.c * app/widgets/gimphistogramview.c: adjust the GimpHistogramChannel for GRAYA images to make sure we pick alpha from the right slot. * app/tools/gimpcurvestool.c * app/tools/gimplevelstool.c: removed the same hack here and call gimp_histogram_view_set_channel() with the correct enum value. * tools/pdbgen/pdb/color.pdb (levels, curves, histogram): fiddle with enum values here too so GRAY* drawables produce the correct results. Fixed precondition checks and set "success" in a uniform way all over the place. Use gimp_drawable_calculate_histogram() instead of duplicating its code here. (started with a patch from Pedro Gimeno. Fixes bug #109078) * app/pdb/color_cmds.c: regenerated.
60 lines
3.2 KiB
C
60 lines
3.2 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimphistogram module Copyright (C) 1999 Jay Cox <jaycox@earthlink.net>
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_HISTOGRAM_H__
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#define __GIMP_HISTOGRAM_H__
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GimpHistogram * gimp_histogram_new (GimpBaseConfig *config);
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void gimp_histogram_free (GimpHistogram *histogram);
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void gimp_histogram_calculate (GimpHistogram *historgam,
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PixelRegion *region,
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PixelRegion *mask);
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gdouble gimp_histogram_get_maximum (GimpHistogram *histogram,
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GimpHistogramChannel channel);
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gdouble gimp_histogram_get_count (GimpHistogram *histogram,
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GimpHistogramChannel channel,
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gint start,
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gint end);
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gdouble gimp_histogram_get_mean (GimpHistogram *histogram,
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GimpHistogramChannel channel,
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gint start,
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gint end);
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gint gimp_histogram_get_median (GimpHistogram *histogram,
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GimpHistogramChannel channel,
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gint start,
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gint end);
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gdouble gimp_histogram_get_std_dev (GimpHistogram *histogram,
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GimpHistogramChannel channel,
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gint start,
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gint end);
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gdouble gimp_histogram_get_value (GimpHistogram *histogram,
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GimpHistogramChannel channel,
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gint bin);
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gdouble gimp_histogram_get_channel (GimpHistogram *histogram,
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GimpHistogramChannel channel,
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gint bin);
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gint gimp_histogram_n_channels (GimpHistogram *histogram);
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#endif /* __GIMP_HISTOGRAM_H__ */
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