modules/colorModel.h

#ifndef COLORMODEL_HEADER_
#define COLORMODEL_HEADER_

#include "../headers.h"
#include "../fileUtil.h"


class MColorModel: public IColorTransformer {

    DECLARE_TypeInfo( MColorModel, "Color models"
    , "Splits image into color planes using some <b>color model</b> (RGB or YCbCr)"
    , {
        label:  "Color model",
        desc:   "The color model that will be used to encode the images",
        type:   settingCombo("RGB\nYCbCr",1)
    } 
    , {
        label:  "Quality multiplier for R/Y channel",
        desc:   "The real encoding quality for Red/Y channel\n"
                "will be multiplied by this number",
        type:   settingFloat(0,1,1)
    } 
    , {
        label:  "Quality multiplier for G/Cb channel",
        desc:   "The real encoding quality for Green/Cb channel\n"
                "will be multiplied by this number",
        type:   settingFloat(0,0.5,1)
    } 
    , {
        label:  "Quality multiplier for B/Cr channel",
        desc:   "The real encoding quality for Blue/Cr channel\n"
                "will be multiplied by this number",
        type:   settingFloat(0,0.5,1)
    } 
    );

protected:
    enum Settings { ColorModel, QualityMul1, QualityMul2, QualityMul3 };
//  Settings-retrieval methods
    int numOfModels() { return 1+countEOLs( info().setType[ColorModel].type.data.text ); }
    float qualityMul(int channel) {
        ASSERT(channel>=0 && channel<3);
        return settings[QualityMul1+channel].val.f;
    }
    
protected:
    PlaneList ownedPlanes; 

protected:
//  Construction and destruction
    ~MColorModel() {
        for (PlaneList::iterator it=ownedPlanes.begin(); it!=ownedPlanes.end(); ++it) {
            it->pixels.free();
            delete it->settings;
        }
    }
    
public:
    PlaneList image2planes(const QImage &toEncode,const PlaneSettings &prototype);
    QImage planes2image();

    void writeData(std::ostream &file)
        { put<Uchar>( file, settingsInt(ColorModel) ); }
    PlaneList readData(std::istream &file,const PlaneSettings &prototype);
protected:
    PlaneList createPlanes(IRoot::Mode mode,const PlaneSettings &prototype);
};

#endif

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