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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 SCIMAGE_H
#define SCIMAGE_H

#include "scconfig.h"
#include "scribusapi.h"

#include <setjmp.h>
#include <cstdlib>
#include <cmath>
#include <unistd.h>
//#include <valarray>
#include <qmemarray.h>
#include <qimage.h>
#include <qstring.h>
#include <qdatastream.h>
#include <qmap.h>
#include <qvaluelist.h>
#include <qfile.h>
#include <qdir.h>
#include <qstringlist.h>
#include "fpointarray.h"
#include "sccolor.h"
extern "C"
#define XMD_H           // shut JPEGlib up
#if defined(Q_OS_UNIXWARE)
#  define HAVE_BOOLEAN  // libjpeg under Unixware seems to need this
#include <jpeglib.h>
#include <jerror.h>
#ifdef const
#  undef const          // remove crazy C hackery in jconfig.h
#ifdef HAVE_TIFF
        #include <tiffio.h>

class SCRIBUS_API ScImage : private QImage
        ScImage(const QImage & image);
        ScImage(const ScImage & image);
        ScImage( int width, int height );

        enum RequestType
                CMYKData = 0,
                RGBData = 1,
                RGBProof = 2,
                RawData = 3,
                Thumbnail = 4,

        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

        enum ImageEffectCode
                EF_INVERT = 0,
                EF_GRAYSCALE = 1,
                EF_COLORIZE = 2,
                EF_BRIGHTNESS = 3,
                EF_CONTRAST = 4,
                EF_SHARPEN = 5,
                EF_BLUR = 6,
                EF_SOLARIZE = 7

        struct imageEffect
                int effectCode;
                QString effectParameters;
        void initialize();

        const QImage& qImage();
        QImage smoothScale(int h, int w, QImage::ScaleMode mode = ScaleFree) const;
        int height() const { return QImage::height(); }
        int width() const { return QImage::width(); }
        bool hasAlpha() const { return QImage::hasAlphaBuffer(); }
        // Routines for PDF/PS output of images
        QByteArray ImageToArray();
        QByteArray ImageToGray();
        QByteArray ImageToCMYK_PS(int pl, bool pre);
        QByteArray ImageToCMYK_PDF(bool pre);
        QByteArray getAlpha(QString fn, bool PDF, bool pdf14, int gsRes = 72);
        void Convert2JPG(QString fn, int Quality, bool isCMYK, bool isGray);

        // Image effects
        void applyEffect(QValueList<imageEffect> effectsList, QMap<QString,ScColor> colors, bool cmyk);

        // Generate a low res image for user preview
        void createLowRes(double scale);

        // Scale this image in-place
        void scaleImage(int width, int height);

        // Retrieve an embedded ICC profile from the file path `fn', storing it in `profile'.
        // TODO: Bad API. Should probably be static member returning an ICCProfile (custom class) or something like that.
        void getEmbeddedProfile(const QString & fn, QString *profile, int *components);

        // Retrieve an embedded ICC profile from the file path `fn', storing it in `profile'.
        // TODO: Bad API. Should probably be static member returning an ICCProfile (custom class) or something like that.
        void getEmbeddedProfile(const QString & fn, QByteArray *profile, int *components);

        // Load an image into this ScImage instance
        // TODO: document params, split into smaller functions
        bool LoadPicture(const QString & fn, const QString & Prof, int rend, bool useEmbedded, bool useProf, RequestType requestType, int gsRes, bool *realCMYK = 0);

        struct PSDLayer
                QValueList<uint> channelLen;
                QValueList<int> channelType;
                int xpos;
                int ypos;
                int width;
                int height;
                ushort opacity;
                uchar clipping;
                uchar flags;
                int maskXpos;
                int maskYpos;
                int maskWidth;
                int maskHeight;
                QString layerName;
                QString blend;
                QImage thumb;

        struct PSDHeader
                uint signature;
                ushort version;
                uchar reserved[6];
                ushort channel_count;
                uint height;
                uint width;
                ushort depth;
                ushort color_mode;
        struct LoadRequest
                bool visible;
                ushort opacity;
                QString blend;

        struct ExifValues
                int width;
                int height;
                QString cameraName;
                QString cameraVendor;
                QString comment;
                QString userComment;
                QString artist;
                QString copyright;
                QString dateTime;
                QImage thumbnail;

        struct ImageInfoRecord
                int typ;                        /* 0 = jpg, 1 = tiff, 2 = psd, 3 = eps/ps, 4 = pdf, 5 = jpg2000, 6 = other */
                int xres;
                int yres;
                int BBoxX;
                int BBoxH;
                int colorspace; /* 0 = RGB  1 = CMYK  2 = Grayscale */
                bool valid;
                bool isRequest;
                bool progressive;
                bool isEmbedded;
                bool exifDataValid;
                int lowResType; /* 0 = full Resolution, 1 = 72 dpi, 2 = 36 dpi */
                double lowResScale;
                QMap<QString, FPointArray> PDSpathData;
                QMap<int, LoadRequest> RequestProps;
                QString clipPath;
                QString usedPath;
                QString profileName;
                QValueList<PSDLayer> layerInfo;
                ExifValues exifInfo;
        } imgInfo;

        // Image effects
        void solarize(double factor, bool cmyk);
        void blur(double radius= 0.0, double sigma = 1.0);
        void sharpen(double radius= 0.0, double sigma = 1.0);
        void contrast(int contrastValue, bool cmyk);
        void brightness(int brightnessValue, bool cmyk);
        void invert(bool cmyk);
        void colorize(ScColor color, int shade, bool cmyk);
        void toGrayscale(bool cmyk);
        void swapRGBA();

        // Misc implementation
        void liberateMemory(void **memory);
        void blurScanLine(double *kernel, int width, unsigned int *src, unsigned int *dest, int columns);
        int getBlurKernel(int width, double sigma, double **kernel);
        bool convolveImage(QImage *dest, const unsigned int order, const double *kernel);
        int getOptimalKernelWidth(double radius, double sigma);
        void applyCurve(bool cmyk);
        bool IsValid( const PSDHeader & header );
        bool IsSupported( const PSDHeader & header );
        unsigned char INT_MULT ( unsigned char a, unsigned char b );
        void RGBTOHSV ( uchar& red, uchar& green, uchar& blue );
        void HSVTORGB ( uchar& hue, uchar& saturation, uchar& value );
        void RGBTOHLS ( uchar& red, uchar& green, uchar& blue );
        int HLSVALUE ( double n1, double n2, double hue );
        void HLSTORGB ( uchar& hue, uchar& lightness, uchar& saturation );
        bool loadChannel( QDataStream & s, const PSDHeader & header, QValueList<PSDLayer> &layerInfo, uint layer, int channel, int component, QImage &tmpImg);
        bool loadLayerChannels( QDataStream & s, const PSDHeader & header, QValueList<PSDLayer> &layerInfo, uint layer, bool* firstLayer);
        bool loadLayer( QDataStream & s, const PSDHeader & header);
        QString getLayerString(QDataStream & s);
        QString getPascalString(QDataStream & s);
        void parseRessourceData( QDataStream & s, const PSDHeader & header, uint size);
        bool parseLayer( QDataStream & s, const PSDHeader & header);
        bool LoadPSD( QDataStream & s, const PSDHeader & header);
        bool marker_is_icc (jpeg_saved_marker_ptr marker);
        bool marker_is_photoshop (jpeg_saved_marker_ptr marker);
        bool read_jpeg_marker (UINT8 requestmarker, j_decompress_ptr cinfo, JOCTET **icc_data_ptr, unsigned int *icc_data_len);
        char* iccbuf;
        uint icclen;
        //std::valarray<int> curveTable;
        QMemArray<int> curveTable;
        QValueList<unsigned int> colorTable;
        int random_table[4096];