scimgdataloader_psd.h

/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
#ifndef SCIMGDATALOADER_PSD_H
#define SCIMGDATALOADER_PSD_H

#include <QVector>
#include <QList>
#include "scimgdataloader.h"
#include "sccolor.h"

class ScImgDataLoader_PSD : public ScImgDataLoader
{
public:

    enum PSDColorMode
    {
        CM_BITMAP = 0,
        CM_GRAYSCALE = 1,
        CM_INDEXED = 2,
        CM_RGB = 3,
        CM_CMYK = 4,
        CM_MULTICHANNEL = 7,
        CM_DUOTONE = 8,
        CM_LABCOLOR = 9
    };

    ScImgDataLoader_PSD(void);

//  virtual void preloadAlphaChannel(const QString& fn, int res);
    virtual bool preloadAlphaChannel(const QString& fn, int page, int res, bool& hasAlpha);
    virtual void loadEmbeddedProfile(const QString& fn, int page = 0);
    virtual bool loadPicture(const QString& fn, int page, int res, bool thumbnail);

    virtual bool useRawImage() { return true; }

protected:

    QList<unsigned int> colorTable;
    QList<ScColor> colorTableSc;
    int random_table[4096];

    void initSupportedFormatList();

    bool IsValid( const PSDHeader & header );
    bool IsSupported( const PSDHeader & header );

    bool LoadPSD( QDataStream & s, const PSDHeader & header);
    bool LoadPSDResources( QDataStream & s, const PSDHeader & header, uint dataOffset );
    bool LoadPSDImgData( QDataStream & s, const PSDHeader & header, uint dataOffset );
    bool loadChannel( QDataStream & s, const PSDHeader & header, QList<PSDLayer> &layerInfo, uint layer, int channel, int component, RawImage &tmpImg);
    bool loadLayerChannels( QDataStream & s, const PSDHeader & header, QList<PSDLayer> &layerInfo, uint layer, bool* firstLayer);
    bool loadLayer( QDataStream & s, const PSDHeader & header);
    bool parseLayer( QDataStream & s, const PSDHeader & header);
    QString getLayerString(QDataStream & s);
    void putDuotone(uchar *ptr, uchar cbyte);
    int maxChannels;
    QVector<int> curveTable1;
    QVector<int> curveTable2;
    QVector<int> curveTable3;
    QVector<int> curveTable4;
};

#endif