KoCompositeOps.h 14.2 KB
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/*
 *  Copyright (c) 2007 Cyrille Berger <cberger@cberger.net>
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 *  Copyright (c) 2011 Silvio Heinrich <plassy@web.de>
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 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#ifndef _KOCOMPOSITEOPS_H_
#define _KOCOMPOSITEOPS_H_

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#include <boost/type_traits.hpp>

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#include <KoColorSpace.h>
#include <KoColorSpaceTraits.h>
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#include <KoColorSpaceMaths.h>
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#include "compositeops/KoCompositeOpGeneric.h"
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#include "compositeops/KoCompositeOpOver.h"
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#include "compositeops/KoCompositeOpCopyChannel.h"
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#include "compositeops/KoCompositeOpAlphaDarken.h"
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#include "compositeops/KoCompositeOpErase.h"
#include "compositeops/KoCompositeOpCopy2.h"
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#include "compositeops/KoCompositeOpDissolve.h"
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#include "compositeops/KoCompositeOpBehind.h"

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#include "KoOptimizedCompositeOpFactory.h"

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namespace _Private {
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template<class Traits, bool flag>
struct AddGeneralOps
{
    static void add(KoColorSpace* cs) { Q_UNUSED(cs); }
};

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template<class Traits>
struct OptimizedOpsSelector
{
    static KoCompositeOp* createAlphaDarkenOp(const KoColorSpace *cs) {
        return new KoCompositeOpAlphaDarken<Traits>(cs);
    }
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    static KoCompositeOp* createOverOp(const KoColorSpace *cs) {
        return new KoCompositeOpOver<Traits>(cs);
    }
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};

template<>
struct OptimizedOpsSelector<KoRgbU8Traits>
{
    static KoCompositeOp* createAlphaDarkenOp(const KoColorSpace *cs) {
        return KoOptimizedCompositeOpFactory::createAlphaDarkenOp32(cs);
    }
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    static KoCompositeOp* createOverOp(const KoColorSpace *cs) {
        return KoOptimizedCompositeOpFactory::createOverOp32(cs);
    }
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};

template<>
struct OptimizedOpsSelector<KoBgrU8Traits>
{
    static KoCompositeOp* createAlphaDarkenOp(const KoColorSpace *cs) {
        return KoOptimizedCompositeOpFactory::createAlphaDarkenOp32(cs);
    }
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    static KoCompositeOp* createOverOp(const KoColorSpace *cs) {
        return KoOptimizedCompositeOpFactory::createOverOp32(cs);
    }
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};

template<>
struct OptimizedOpsSelector<KoLabU8Traits>
{
    static KoCompositeOp* createAlphaDarkenOp(const KoColorSpace *cs) {
        return KoOptimizedCompositeOpFactory::createAlphaDarkenOp32(cs);
    }
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    static KoCompositeOp* createOverOp(const KoColorSpace *cs) {
        return KoOptimizedCompositeOpFactory::createOverOp32(cs);
    }
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};

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template<class Traits>
struct AddGeneralOps<Traits, true>
{
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     typedef typename Traits::channels_type Arg;
     typedef Arg (*CompositeFunc)(Arg, Arg);
     static const qint32 alpha_pos = Traits::alpha_pos;

     template<CompositeFunc func>
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     static void add(KoColorSpace* cs, const QString& id, const QString& description, const QString& category) {
         cs->addCompositeOp(new KoCompositeOpGenericSC<Traits, func>(cs, id, description, category));
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     }

     static void add(KoColorSpace* cs) {
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         cs->addCompositeOp(OptimizedOpsSelector<Traits>::createOverOp(cs));
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         cs->addCompositeOp(OptimizedOpsSelector<Traits>::createAlphaDarkenOp(cs));
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         cs->addCompositeOp(new KoCompositeOpCopy2<Traits>(cs));
         cs->addCompositeOp(new KoCompositeOpErase<Traits>(cs));
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         cs->addCompositeOp(new KoCompositeOpBehind<Traits>(cs));
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         add<&cfOverlay<Arg>       >(cs, COMPOSITE_OVERLAY       , i18n("Overlay")       , KoCompositeOp::categoryMix());
         add<&cfGrainMerge<Arg>    >(cs, COMPOSITE_GRAIN_MERGE   , i18n("Grain Merge")   , KoCompositeOp::categoryMix());
         add<&cfGrainExtract<Arg>  >(cs, COMPOSITE_GRAIN_EXTRACT , i18n("Grain Extract") , KoCompositeOp::categoryMix());
         add<&cfHardMix<Arg>       >(cs, COMPOSITE_HARD_MIX      , i18n("Hard Mix")      , KoCompositeOp::categoryMix());
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         add<&cfGeometricMean<Arg> >(cs, COMPOSITE_GEOMETRIC_MEAN, i18n("Geometric Mean"), KoCompositeOp::categoryMix());
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         add<&cfParallel<Arg>      >(cs, COMPOSITE_PARALLEL      , i18n("Parallel")      , KoCompositeOp::categoryMix());
         add<&cfAllanon<Arg>       >(cs, COMPOSITE_ALLANON       , i18n("Allanon")       , KoCompositeOp::categoryMix());
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         add<&cfScreen<Arg>      >(cs, COMPOSITE_SCREEN      , i18n("Screen")      , KoCompositeOp::categoryLight());
         add<&cfColorDodge<Arg>  >(cs, COMPOSITE_DODGE       , i18n("Color Dodge") , KoCompositeOp::categoryLight());
         add<&cfAddition<Arg>    >(cs, COMPOSITE_LINEAR_DODGE, i18n("Linear Dodge"), KoCompositeOp::categoryLight());
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         add<&cfLightenOnly<Arg> >(cs, COMPOSITE_LIGHTEN     , i18n("Lighten")     , KoCompositeOp::categoryLight());
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         add<&cfHardLight<Arg>   >(cs, COMPOSITE_HARD_LIGHT  , i18n("Hard Light")  , KoCompositeOp::categoryLight());
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         add<&cfSoftLightSvg<Arg>   >(cs, COMPOSITE_SOFT_LIGHT_SVG, i18n("Soft Light (SVG)")  , KoCompositeOp::categoryLight());
         add<&cfSoftLight<Arg>   >(cs, COMPOSITE_SOFT_LIGHT_PHOTOSHOP, i18n("Soft Light (Photoshop)")  , KoCompositeOp::categoryLight());
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         add<&cfGammaLight<Arg>  >(cs, COMPOSITE_GAMMA_LIGHT , i18n("Gamma Light") , KoCompositeOp::categoryLight());
         add<&cfVividLight<Arg>  >(cs, COMPOSITE_VIVID_LIGHT , i18n("Vivid Light") , KoCompositeOp::categoryLight());
         add<&cfPinLight<Arg>    >(cs, COMPOSITE_PIN_LIGHT   , i18n("Pin Light")   , KoCompositeOp::categoryLight());
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         add<&cfLinearLight<Arg> >(cs, COMPOSITE_LINEAR_LIGHT, i18n("Linear Light"), KoCompositeOp::categoryLight());

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         add<&cfColorBurn<Arg>  >(cs, COMPOSITE_BURN        , i18n("Color Burn") , KoCompositeOp::categoryDark());
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         add<&cfLinearBurn<Arg> >(cs, COMPOSITE_LINEAR_BURN , i18n("Linear Burn"), KoCompositeOp::categoryDark());
         add<&cfDarkenOnly<Arg> >(cs, COMPOSITE_DARKEN      , i18n("Darken")     , KoCompositeOp::categoryDark());
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         add<&cfGammaDark<Arg>  >(cs, COMPOSITE_GAMMA_DARK  , i18n("Gamma Dark") , KoCompositeOp::categoryDark());
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         add<&cfAddition<Arg>        >(cs, COMPOSITE_ADD             , i18n("Addition")         , KoCompositeOp::categoryArithmetic());
         add<&cfSubtract<Arg>        >(cs, COMPOSITE_SUBTRACT        , i18n("Subtract")         , KoCompositeOp::categoryArithmetic());
         add<&cfInverseSubtract<Arg> >(cs, COMPOSITE_INVERSE_SUBTRACT, i18n("Inversed-Subtract"), KoCompositeOp::categoryArithmetic());
         add<&cfMultiply<Arg>        >(cs, COMPOSITE_MULT            , i18n("Multiply")         , KoCompositeOp::categoryArithmetic());
         add<&cfDivide<Arg>          >(cs, COMPOSITE_DIVIDE          , i18n("Divide")           , KoCompositeOp::categoryArithmetic());
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         add<&cfArcTangent<Arg>           >(cs, COMPOSITE_ARC_TANGENT          , i18n("Arcus Tangent")        , KoCompositeOp::categoryNegative());
         add<&cfDifference<Arg>           >(cs, COMPOSITE_DIFF                 , i18n("Difference")           , KoCompositeOp::categoryNegative());
         add<&cfExclusion<Arg>            >(cs, COMPOSITE_EXCLUSION            , i18n("Exclusion")            , KoCompositeOp::categoryNegative());
         add<&cfEquivalence<Arg>          >(cs, COMPOSITE_EQUIVALENCE          , i18n("Equivalence")          , KoCompositeOp::categoryNegative());
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         add<&cfAdditiveSubtractive<Arg>  >(cs, COMPOSITE_ADDITIVE_SUBTRACTIVE , i18n("Additive-Subtractive") , KoCompositeOp::categoryNegative());
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         cs->addCompositeOp(new KoCompositeOpDissolve<Traits>(cs, KoCompositeOp::categoryMisc()));
     }
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};

template<class Traits, bool flag>
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struct AddRGBOps
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{
    static void add(KoColorSpace* cs) { Q_UNUSED(cs); }
};

template<class Traits>
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struct AddRGBOps<Traits, true>
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{
    typedef float Arg;
    
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    static const qint32 red_pos   = Traits::red_pos;
    static const qint32 green_pos = Traits::green_pos;
    static const qint32 blue_pos  = Traits::blue_pos;
    
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    template<void compositeFunc(Arg, Arg, Arg, Arg&, Arg&, Arg&)>
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    static void add(KoColorSpace* cs, const QString& id, const QString& description, const QString& category) {
        cs->addCompositeOp(new KoCompositeOpGenericHSL<Traits, compositeFunc>(cs, id, description, category));
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    }
    
    static void add(KoColorSpace* cs) {
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        cs->addCompositeOp(new KoCompositeOpCopyChannel<Traits,red_pos  >(cs, COMPOSITE_COPY_RED  , i18n("Copy Red")  , KoCompositeOp::categoryMisc()));
        cs->addCompositeOp(new KoCompositeOpCopyChannel<Traits,green_pos>(cs, COMPOSITE_COPY_GREEN, i18n("Copy Green"), KoCompositeOp::categoryMisc()));
        cs->addCompositeOp(new KoCompositeOpCopyChannel<Traits,blue_pos >(cs, COMPOSITE_COPY_BLUE , i18n("Copy Blue") , KoCompositeOp::categoryMisc()));
        
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        add<&cfColor             <HSYType,Arg> >(cs, COMPOSITE_COLOR         , i18n("Color")              , KoCompositeOp::categoryHSY());
        add<&cfHue               <HSYType,Arg> >(cs, COMPOSITE_HUE           , i18n("Hue")                , KoCompositeOp::categoryHSY());
        add<&cfSaturation        <HSYType,Arg> >(cs, COMPOSITE_SATURATION    , i18n("Saturation")         , KoCompositeOp::categoryHSY());
        add<&cfIncreaseSaturation<HSYType,Arg> >(cs, COMPOSITE_INC_SATURATION, i18n("Increase Saturation"), KoCompositeOp::categoryHSY());
        add<&cfDecreaseSaturation<HSYType,Arg> >(cs, COMPOSITE_DEC_SATURATION, i18n("Decrease Saturation"), KoCompositeOp::categoryHSY());
        add<&cfLightness         <HSYType,Arg> >(cs, COMPOSITE_LUMINIZE      , i18n("Luminosity")         , KoCompositeOp::categoryHSY());
        add<&cfIncreaseLightness <HSYType,Arg> >(cs, COMPOSITE_INC_LUMINOSITY, i18n("Increase Luminosity"), KoCompositeOp::categoryHSY());
        add<&cfDecreaseLightness <HSYType,Arg> >(cs, COMPOSITE_DEC_LUMINOSITY, i18n("Decrease Luminosity"), KoCompositeOp::categoryHSY());
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        add<&cfColor             <HSIType,Arg> >(cs, COMPOSITE_COLOR_HSI         , i18n("Color HSI")              , KoCompositeOp::categoryHSI());
        add<&cfHue               <HSIType,Arg> >(cs, COMPOSITE_HUE_HSI           , i18n("Hue HSI")                , KoCompositeOp::categoryHSI());
        add<&cfSaturation        <HSIType,Arg> >(cs, COMPOSITE_SATURATION_HSI    , i18n("Saturation HSI")         , KoCompositeOp::categoryHSI());
        add<&cfIncreaseSaturation<HSIType,Arg> >(cs, COMPOSITE_INC_SATURATION_HSI, i18n("Increase Saturation HSI"), KoCompositeOp::categoryHSI());
        add<&cfDecreaseSaturation<HSIType,Arg> >(cs, COMPOSITE_DEC_SATURATION_HSI, i18n("Decrease Saturation HSI"), KoCompositeOp::categoryHSI());
        add<&cfLightness         <HSIType,Arg> >(cs, COMPOSITE_INTENSITY         , i18n("Intensity")              , KoCompositeOp::categoryHSI());
        add<&cfIncreaseLightness <HSIType,Arg> >(cs, COMPOSITE_INC_INTENSITY     , i18n("Increase Intensity")     , KoCompositeOp::categoryHSI());
        add<&cfDecreaseLightness <HSIType,Arg> >(cs, COMPOSITE_DEC_INTENSITY     , i18n("Decrease Intensity")     , KoCompositeOp::categoryHSI());
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        add<&cfColor             <HSLType,Arg> >(cs, COMPOSITE_COLOR_HSL         , i18n("Color HSL")              , KoCompositeOp::categoryHSL());
        add<&cfHue               <HSLType,Arg> >(cs, COMPOSITE_HUE_HSL           , i18n("Hue HSL")                , KoCompositeOp::categoryHSL());
        add<&cfSaturation        <HSLType,Arg> >(cs, COMPOSITE_SATURATION_HSL    , i18n("Saturation HSL")         , KoCompositeOp::categoryHSL());
        add<&cfIncreaseSaturation<HSLType,Arg> >(cs, COMPOSITE_INC_SATURATION_HSL, i18n("Increase Saturation HSL"), KoCompositeOp::categoryHSL());
        add<&cfDecreaseSaturation<HSLType,Arg> >(cs, COMPOSITE_DEC_SATURATION_HSL, i18n("Decrease Saturation HSL"), KoCompositeOp::categoryHSL());
        add<&cfLightness         <HSLType,Arg> >(cs, COMPOSITE_LIGHTNESS         , i18n("Lightness")              , KoCompositeOp::categoryHSL());
        add<&cfIncreaseLightness <HSLType,Arg> >(cs, COMPOSITE_INC_LIGHTNESS     , i18n("Increase Lightness")     , KoCompositeOp::categoryHSL());
        add<&cfDecreaseLightness <HSLType,Arg> >(cs, COMPOSITE_DEC_LIGHTNESS     , i18n("Decrease Lightness")     , KoCompositeOp::categoryHSL());
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        add<&cfColor             <HSVType,Arg> >(cs, COMPOSITE_COLOR_HSV         , i18n("Color HSV")              , KoCompositeOp::categoryHSV());
        add<&cfHue               <HSVType,Arg> >(cs, COMPOSITE_HUE_HSV           , i18n("Hue HSV")                , KoCompositeOp::categoryHSV());
        add<&cfSaturation        <HSVType,Arg> >(cs, COMPOSITE_SATURATION_HSV    , i18n("Saturation HSV")         , KoCompositeOp::categoryHSV());
        add<&cfIncreaseSaturation<HSVType,Arg> >(cs, COMPOSITE_INC_SATURATION_HSV, i18n("Increase Saturation HSV"), KoCompositeOp::categoryHSV());
        add<&cfDecreaseSaturation<HSVType,Arg> >(cs, COMPOSITE_DEC_SATURATION_HSV, i18n("Decrease Saturation HSV"), KoCompositeOp::categoryHSV());
        add<&cfLightness         <HSVType,Arg> >(cs, COMPOSITE_VALUE             , i18n("Value")                  , KoCompositeOp::categoryHSV());
        add<&cfIncreaseLightness <HSVType,Arg> >(cs, COMPOSITE_INC_VALUE         , i18n("Increase Value")         , KoCompositeOp::categoryHSV());
        add<&cfDecreaseLightness <HSVType,Arg> >(cs, COMPOSITE_DEC_VALUE         , i18n("Decrease Value")         , KoCompositeOp::categoryHSV());
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    }
};

}
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/**
 * This function add to the colorspace all the composite ops defined by
 * the pigment library.
 */
template<class _Traits_>
void addStandardCompositeOps(KoColorSpace* cs)
{
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    typedef typename _Traits_::channels_type channels_type;
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    static const bool useGeneralOps = true;
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    static const bool useRGBOps = (boost::is_base_of<KoBgrTraits<channels_type>, _Traits_>::value
                                || boost::is_base_of<KoRgbTraits<channels_type>, _Traits_>::value);
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    _Private::AddGeneralOps<_Traits_, useGeneralOps>::add(cs);
    _Private::AddRGBOps    <_Traits_, useRGBOps    >::add(cs);
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}

#endif