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author | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-11-22 18:41:30 +0900 |
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committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-11-22 20:55:03 +0900 |
commit | 5bed6e4a4c916a97f8fe4d1b07f7eecf4d733b90 (patch) | |
tree | f89cc49efc9ca1d0e1579ecb079ee7e7088ff8c8 /src/libs/levels/imagelevels.h | |
parent | 0bfbf616d9c1fd7abb1bd02732389ab35e5f8771 (diff) | |
download | digikam-5bed6e4a4c916a97f8fe4d1b07f7eecf4d733b90.tar.gz digikam-5bed6e4a4c916a97f8fe4d1b07f7eecf4d733b90.zip |
Rename 'digikam' folder to 'src'
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit ee0d99607c14cb63d3ebdb3a970b508949fa8219)
Diffstat (limited to 'src/libs/levels/imagelevels.h')
-rw-r--r-- | src/libs/levels/imagelevels.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/libs/levels/imagelevels.h b/src/libs/levels/imagelevels.h new file mode 100644 index 00000000..04d10d97 --- /dev/null +++ b/src/libs/levels/imagelevels.h @@ -0,0 +1,105 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2004-07-29 + * Description : image levels manipulation methods. + * + * Copyright (C) 2004-2008 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * 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, 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. + * + * ============================================================ */ + +#ifndef IMAGELEVELS_H +#define IMAGELEVELS_H + +#define CLAMP(x,l,u) ((x)<(l)?(l):((x)>(u)?(u):(x))) + +/* Map RGB to intensity */ + +#define LEVELS_RGB_INTENSITY_RED 0.30 +#define LEVELS_RGB_INTENSITY_GREEN 0.59 +#define LEVELS_RGB_INTENSITY_BLUE 0.11 +#define LEVELS_RGB_INTENSITY(r,g,b) ((r) * LEVELS_RGB_INTENSITY_RED + \ + (g) * LEVELS_RGB_INTENSITY_GREEN + \ + (b) * LEVELS_RGB_INTENSITY_BLUE) + +// KDE includes. + +#include <kurl.h> + +// Local includes. + +#include "dcolor.h" +#include "digikam_export.h" + +namespace Digikam +{ + +class ImageLevelsPriv; +class ImageHistogram; + +class DIGIKAM_EXPORT ImageLevels +{ + +public: + + ImageLevels(bool sixteenBit); + ~ImageLevels(); + + bool isDirty(); + bool isSixteenBits(); + void reset(); + + // Methods for to manipulate the levels data. + + void levelsChannelReset(int channel); + void levelsAuto(ImageHistogram *hist); + void levelsChannelAuto(ImageHistogram *hist, int channel); + int levelsInputFromColor(int channel, const DColor& color); + void levelsBlackToneAdjustByColors(int channel, const DColor& color); + void levelsGrayToneAdjustByColors(int channel, const DColor& color); + void levelsWhiteToneAdjustByColors(int channel, const DColor& color); + void levelsCalculateTransfers(); + float levelsLutFunc(int n_channels, int channel, float value); + void levelsLutSetup(int nchannels); + void levelsLutProcess(uchar *srcPR, uchar *destPR, int w, int h); + + // Methods for to set manually the levels values. + + void setLevelGammaValue(int Channel, double val); + void setLevelLowInputValue(int Channel, int val); + void setLevelHighInputValue(int Channel, int val); + void setLevelLowOutputValue(int Channel, int val); + void setLevelHighOutputValue(int Channel, int val); + + double getLevelGammaValue(int Channel); + int getLevelLowInputValue(int Channel); + int getLevelHighInputValue(int Channel); + int getLevelLowOutputValue(int Channel); + int getLevelHighOutputValue(int Channel); + + // Methods for to save/load the levels values to/from a Gimp levels text file. + + bool saveLevelsToGimpLevelsFile(const KURL& fileUrl); + bool loadLevelsFromGimpLevelsFile(const KURL& fileUrl); + +private: + + ImageLevelsPriv* d; +}; + +} // NameSpace Digikam + +#endif /* IMAGELEVELS_H */ |