sclcms2colormgmtengineimpl.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 SCLCMS2COLORMGMTENGINEIMPL_H
#define SCLCMS2COLORMGMTENGINEIMPL_H

#include <stdexcept>

#include "lcms2.h"
#include "sccolormgmtenginedata.h"
#include "sccolorprofilecache.h"

class ScLcms2ColorMgmtEngineImpl : public ScColorMgmtEngineData
{
    friend class ScLcms2ColorProfileImpl;
    friend class ScLcms2ColorTransformImpl;

public:
    ScLcms2ColorMgmtEngineImpl();

    // Setter, only for  color management strategy
    virtual void setStrategy(const ScColorMgmtStrategy& strategy);

    // function for getting available profile in a directory
    virtual QList<ScColorProfileInfo> getAvailableProfileInfo(const QString& directory, bool recursive);
    
    // functions for opening icc profiles
    virtual ScColorProfile openProfileFromFile(ScColorMgmtEngine& engine, const QString& filePath);
    virtual ScColorProfile openProfileFromMem (ScColorMgmtEngine& engine, const QByteArray& array);
    
    // functions for creating profiles
    virtual ScColorProfile createProfile_sRGB(ScColorMgmtEngine& engine);
    virtual ScColorProfile createProfile_Lab (ScColorMgmtEngine& engine);
    
    // functions for creating transforms
    virtual ScColorTransform createTransform(ScColorMgmtEngine& colorManagementEngine,
                                             const ScColorProfile& inputProfile , eColorFormat inputFormat,
                                             const ScColorProfile& outputProfile, eColorFormat outputFormat,
                                             eRenderIntent renderIntent, long transformFlags);
    virtual ScColorTransform createProofingTransform(ScColorMgmtEngine& colorManagementEngine,
                                             const ScColorProfile& inputProfile , eColorFormat inputFormat,
                                             const ScColorProfile& outputProfile, eColorFormat outputFormat,
                                             const ScColorProfile& proofing, eRenderIntent renderIntent, 
                                             eRenderIntent proofingIntent, long transformFlags);

protected:

    // Color profile cache
    static QSharedPointer<ScColorProfileCache> m_profileCache;

    // Color transform cache
    static QSharedPointer<ScColorTransformPool> m_transformPool;

    static cmsUInt32Number translateFlagsToLcmsFlags(long flags);
    static cmsUInt32Number translateFormatToLcmsFormat(eColorFormat format);
    static int translateIntentToLcmsIntent(eRenderIntent intent, eRenderIntent defaut = Intent_Relative_Colorimetric);
    static eColorSpaceType translateLcmsColorSpaceType(cmsColorSpaceSignature);
    static eProfileClass   translateLcmsProfileClass(cmsProfileClassSignature);

    // Exception class thrown by cmsErrorHandler
    class lcmsException : public std::runtime_error 
    {
    public :
        lcmsException(const char* msg) : std::runtime_error(msg) {}
    };

    static void cmsErrorHandler(cmsContext contextID, cmsUInt32Number ErrorCode, const char *ErrorText);
};

#endif