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158 lines
5.9 KiB
158 lines
5.9 KiB
/*
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* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
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* Copyright (c) 2005 Adrian Page <adrian@pagenet.plus.com>
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* Copyright (c) 2005 Cyrille Berger <cberger@cberger.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., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KIS_STRATEGY_COLORSPACE_LMS_F32_H_
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#define KIS_STRATEGY_COLORSPACE_LMS_F32_H_
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#include <qcolor.h>
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#include <klocale.h>
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#include <koffice_export.h>
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#include "kis_global.h"
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#include "kis_f32_base_colorspace.h"
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class KisColorSpaceFactoryRegistry;
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class KRITATOOL_EXPORT KisLmsF32ColorSpace : public KisF32BaseColorSpace {
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public:
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KisLmsF32ColorSpace(KisColorSpaceFactoryRegistry * parent, KisProfile *p);
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virtual ~KisLmsF32ColorSpace();
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virtual bool willDegrade(ColorSpaceIndependence independence)
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{
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if (independence == TO_RGBA8 || independence == TO_LAB16)
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return true;
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else
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return false;
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};
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public:
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void setPixel(Q_UINT8 *pixel, float longWave, float middleWave, float shortWave, float alpha) const;
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void getPixel(const Q_UINT8 *pixel, float *longWave, float *middleWave, float *shortWave, float *alpha) const;
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virtual void fromQColor(const QColor& c, Q_UINT8 *dst, KisProfile * profile = 0);
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virtual void fromQColor(const QColor& c, Q_UINT8 opacity, Q_UINT8 *dst, KisProfile * profile = 0);
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virtual void toQColor(const Q_UINT8 *src, QColor *c, KisProfile * profile = 0);
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virtual void toQColor(const Q_UINT8 *src, QColor *c, Q_UINT8 *opacity, KisProfile * profile = 0);
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virtual Q_UINT8 difference(const Q_UINT8 *src1, const Q_UINT8 *src2);
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virtual void mixColors(const Q_UINT8 **colors, const Q_UINT8 *weights, Q_UINT32 nColors, Q_UINT8 *dst) const;
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virtual QValueVector<KisChannelInfo *> channels() const;
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virtual Q_UINT32 nChannels() const;
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virtual Q_UINT32 nColorChannels() const;
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virtual Q_UINT32 pixelSize() const;
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virtual bool hasHighDynamicRange() const { return false; }
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virtual QImage convertToQImage(const Q_UINT8 *data, Q_INT32 width, Q_INT32 height,
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KisProfile * dstProfile,
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Q_INT32 renderingIntent,
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float exposure = 0.0f);
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virtual KisCompositeOpList userVisiblecompositeOps() const;
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protected:
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virtual void bitBlt(Q_UINT8 *dst,
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Q_INT32 dstRowStride,
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const Q_UINT8 *src,
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Q_INT32 srcRowStride,
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const Q_UINT8 *srcAlphaMask,
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Q_INT32 maskRowStride,
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Q_UINT8 opacity,
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Q_INT32 rows,
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Q_INT32 cols,
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const KisCompositeOp& op);
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void compositeOver(Q_UINT8 *dst, Q_INT32 dstRowStride, const Q_UINT8 *src, Q_INT32 srcRowStride, const Q_UINT8 *mask, Q_INT32 maskRowStride, Q_INT32 rows, Q_INT32 columns, float opacity);
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void compositeErase(Q_UINT8 *dst, Q_INT32 dstRowStride, const Q_UINT8 *src, Q_INT32 srcRowStride, const Q_UINT8 *mask, Q_INT32 maskRowStride, Q_INT32 rows, Q_INT32 columns, float opacity);
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void compositeCopy(Q_UINT8 *dst, Q_INT32 dstRowStride, const Q_UINT8 *src, Q_INT32 srcRowStride, const Q_UINT8 *mask, Q_INT32 maskRowStride, Q_INT32 rows, Q_INT32 columns, float opacity);
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private:
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inline Q_UINT8 computeRed(float l, float m, float s) const
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{
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return FLOAT_TO_UINT8(4.4679*l - 3.58738*m + 0.1193*s);
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}
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inline Q_UINT8 computeGreen(float l, float m, float s) const
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{
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return FLOAT_TO_UINT8(-1.2186*l + 2.3809*m - 0.1624*s);
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}
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inline Q_UINT8 computeBlue(float l, float m, float s) const
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{
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return FLOAT_TO_UINT8(0.0497*l - 0.2439*m + 1.2045*s);
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}
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inline float computeLong(Q_UINT8 r, Q_UINT8 g, Q_UINT8 b) const
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{
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return 0.3811*UINT8_TO_FLOAT(r) + 0.5783*UINT8_TO_FLOAT(g) + 0.0402*UINT8_TO_FLOAT(b);
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}
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inline float computeMiddle(Q_UINT8 r, Q_UINT8 g, Q_UINT8 b) const
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{
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return 0.1967*UINT8_TO_FLOAT(r) + 0.7244*UINT8_TO_FLOAT(g) + 0.0782*UINT8_TO_FLOAT(b);
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}
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inline float computeShort(Q_UINT8 r, Q_UINT8 g, Q_UINT8 b) const
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{
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return 0.0241*UINT8_TO_FLOAT(r) + 0.1288*UINT8_TO_FLOAT(g) + 0.8444*UINT8_TO_FLOAT(b);
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}
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friend class KisLmsF32ColorSpaceTester;
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static const Q_UINT8 PIXEL_LONGWAVE = 0;
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static const Q_UINT8 PIXEL_MIDDLEWAVE = 1;
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static const Q_UINT8 PIXEL_SHORTWAVE = 2;
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static const Q_UINT8 PIXEL_ALPHA = 3;
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struct Pixel {
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float longWave;
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float middleWave;
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float shortWave;
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float alpha;
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};
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};
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class KisLmsF32ColorSpaceFactory : public KisColorSpaceFactory
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{
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public:
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/**
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* Krita definition for use in .kra files and internally: unchanging name +
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* i18n'able description.
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*/
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virtual KisID id() const { return KisID("LMSAF32", i18n("LMS Cone Space (32-bit float/channel)")); };
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/**
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* lcms colorspace type definition.
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*/
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virtual Q_UINT32 colorSpaceType() { return 0; }; // FIXME: lcms do not support LMS cone space
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virtual icColorSpaceSignature colorSpaceSignature() { return icMaxEnumData; };
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virtual KisColorSpace *createColorSpace(KisColorSpaceFactoryRegistry * parent, KisProfile *p) { return new KisLmsF32ColorSpace(parent, p); };
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virtual QString defaultProfile() { return "sRGB built-in - (lcms internal)"; };
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};
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#endif // KIS_STRATEGY_COLORSPACE_LMS_F32_H_
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