scimgdataloader_tiff.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_TIFF_H
#define SCIMGDATALOADER_TIFF_H

#include <tiffio.h>
#include "scimgdataloader.h"
//Added by qt3to4:
#include <QList>

class ScImgDataLoader_TIFF : public ScImgDataLoader
{
protected:

    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
    };
    void initSupportedFormatList();
    int  getLayers(const QString& fn, int page);
    bool getImageData(TIFF* tif, RawImage *image, uint widtht, uint heightt, uint size, uint16 photometric, uint16 bitspersample, uint16 samplesperpixel, bool &bilevel, bool &isCMYK);
    bool getImageData_RGBA(TIFF* tif, RawImage *image, uint widtht, uint heightt, uint size, uint16 bitspersample, uint16 samplesperpixel);
    void blendOntoTarget(RawImage *tmp, int layOpa, QString layBlend, bool cmyk, bool useMask);
    QString getLayerString(QDataStream & s);
    bool loadChannel( QDataStream & s, const PSDHeader & header, QList<PSDLayer> &layerInfo, uint layer, int channel, int component, RawImage &tmpImg);
    bool loadLayerInfo(QDataStream & s, QList<PSDLayer> &layerInfo);
    bool loadLayerChannels( QDataStream & s, const PSDHeader & header, QList<PSDLayer> &layerInfo, uint layer, bool* firstLayer);

    bool testAlphaChannelAvailability(const QString& fn, int page, bool& hasAlpha);
    void unmultiplyRGBA(RawImage *image);

    int    random_table[4096];
    uint16 photometric, samplesperpixel;

public:
    ScImgDataLoader_TIFF(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; }
};

#endif