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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 SLAOUTPUT_H
#define SLAOUTPUT_H

#include <QString>
#include <QTextStream>
#include <QSizeF>
#include <QBuffer>
#include <QColor>
#include <QBrush>
#include <QPen>
#include <QImage>
#include <QList>
#include <QTransform>
#include <QStack>
#include <QDebug>
#include "fpointarray.h"
#include "pageitem.h"
#include "scribusdoc.h"
#include "selection.h"
#include "vgradient.h"

#include <goo/gtypes.h>
#include <Object.h>
#include <OutputDev.h>
#include <Gfx.h>
#include <GfxState.h>
#include <Stream.h>
#include <GfxFont.h>
#include <PDFDoc.h>
#include <Error.h>
#include <Page.h>
#include <Catalog.h>
#include <CharCodeToUnicode.h>
#include <FontEncodingTables.h>
#include <fofi/FoFiTrueType.h>
#include <splash/SplashFontFileID.h>
#include <splash/SplashFontFile.h>
#include <splash/SplashFontEngine.h>
#include <splash/SplashFont.h>
#include <splash/SplashMath.h>
#include <splash/SplashPath.h>
#include <splash/SplashGlyphBitmap.h>

//------------------------------------------------------------------------
// SplashOutFontFileID
//------------------------------------------------------------------------

class SplashOutFontFileID: public SplashFontFileID
{
public:

        SplashOutFontFileID(Ref *rA) { r = *rA; }
        ~SplashOutFontFileID() {}
        GBool matches(SplashFontFileID *id)
        {
                return ((SplashOutFontFileID *)id)->r.num == r.num && ((SplashOutFontFileID *)id)->r.gen == r.gen;
        }

private:

        Ref r;
};


class SlaOutputDev : public OutputDev
{
public:
        SlaOutputDev(ScribusDoc* doc, QList<PageItem*> *Elements, QStringList *importedColors, int flags);
        virtual ~SlaOutputDev();
        void startDoc(XRef *xrefA, Catalog *catA);

        GBool isOk() { return gTrue; }
        virtual GBool upsideDown() { return gTrue; }
        virtual GBool useDrawChar() { return gTrue; }
        virtual GBool interpretType3Chars() { return gTrue; }
        virtual GBool useTilingPatternFill() { return gTrue; }
        virtual GBool useShadedFills(int type) { return type <= 7; }
        virtual GBool useFillColorStop() { return gTrue; }
        virtual void startPage(int pageNum, GfxState *state);
        virtual void endPage();
        // grapics state
        virtual void saveState(GfxState *state);
        virtual void restoreState(GfxState *state);

        //----- path painting
        virtual void stroke(GfxState *state);
        virtual void fill(GfxState *state);
        virtual void eoFill(GfxState *state);
        virtual void clipToStrokePath(GfxState *state) { qDebug() << "clip to stroke path"; }
        virtual GBool tilingPatternFill(GfxState *state, Catalog *cat, Object *str, double *pmat, int paintType, Dict *resDict,
                                  double *mat, double *bbox, int x0, int y0, int x1, int y1, double xStep, double yStep);
        virtual GBool axialShadedFill(GfxState *state, GfxAxialShading *shading, double tMin, double tMax);
        virtual GBool axialShadedSupportExtend(GfxState *state, GfxAxialShading *shading) { return (shading->getExtend0() == shading->getExtend1()); }
        virtual GBool radialShadedFill(GfxState *state, GfxRadialShading *shading, double sMin, double sMax);
        virtual GBool radialShadedSupportExtend(GfxState *state, GfxRadialShading *shading) { return (shading->getExtend0() == shading->getExtend1()); }
        virtual GBool gouraudTriangleShadedFill(GfxState *state, GfxGouraudTriangleShading *shading);
        virtual GBool patchMeshShadedFill(GfxState *state, GfxPatchMeshShading *shading);
        //----- path clipping
        virtual void clip(GfxState *state);
        virtual void eoClip(GfxState *state);
        virtual GBool deviceHasTextClip(GfxState *state) { return gFalse; }

  // If current colorspace is pattern,
  // does this device support text in pattern colorspace?
        virtual GBool supportTextCSPattern(GfxState *state)
        {
                return state->getFillColorSpace()->getMode() == csPattern;
        }

  // If current colorspace is pattern,
  // need this device special handling for masks in pattern colorspace?
        virtual GBool fillMaskCSPattern(GfxState * state)
        {
                return state->getFillColorSpace()->getMode() == csPattern;
        }

        virtual void endMaskClip(GfxState *state) { qDebug() << "End Mask Clip"; }

  //----- grouping operators
        virtual void beginMarkedContent(char *name, Dict *properties);
        virtual void endMarkedContent(GfxState *state);
        //----- image drawing
        virtual void drawImageMask(GfxState *state, Object *ref, Stream *str, int width, int height, GBool invert, GBool interpolate, GBool inlineImg);
        virtual void drawImage(GfxState *state, Object *ref, Stream *str, int width, int height, GfxImageColorMap *colorMap, GBool interpolate, int *maskColors, GBool inlineImg);
        virtual void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
                                   int width, int height,
                                   GfxImageColorMap *colorMap,
                                   GBool interpolate,
                                   Stream *maskStr,
                                   int maskWidth, int maskHeight,
                                   GfxImageColorMap *maskColorMap,
                                   GBool maskInterpolate);

        virtual void drawMaskedImage(GfxState *state, Object *ref, Stream *str,
                                   int width, int height,
                                   GfxImageColorMap *colorMap,
                                   GBool interpolate,
                                   Stream *maskStr,
                                   int maskWidth, int maskHeight,
                                   GBool maskInvert, GBool maskInterpolate) { qDebug() << "Draw Masked Image"; }

        //----- transparency groups and soft masks
        virtual void beginTransparencyGroup(GfxState *state, double *bbox, GfxColorSpace * /*blendingColorSpace*/, GBool /*isolated*/, GBool /*knockout*/, GBool /*forSoftMask*/);
        virtual void paintTransparencyGroup(GfxState *state, double *bbox) {}
        virtual void endTransparencyGroup(GfxState *state);
        virtual void setSoftMask(GfxState * /*state*/, double * /*bbox*/, GBool /*alpha*/, Function * /*transferFunc*/, GfxColor * /*backdropColor*/);
        virtual void clearSoftMask(GfxState * /*state*/);

//      virtual void updateFillColor(GfxState *state);
        virtual void updateFont(GfxState *state);
        //----- text drawing
        virtual void beginTextObject(GfxState *state);
        virtual void endTextObject(GfxState *state);
        virtual void drawChar(GfxState *state, double /*x*/, double /*y*/, double /*dx*/, double /*dy*/, double /*originX*/, double /*originY*/, CharCode /*code*/, int /*nBytes*/, Unicode * /*u*/, int /*uLen*/);
        virtual GBool beginType3Char(GfxState * /*state*/, double /*x*/, double /*y*/, double /*dx*/, double /*dy*/, CharCode /*code*/, Unicode * /*u*/, int /*uLen*/);
        virtual void endType3Char(GfxState * /*state*/);
        virtual void type3D0(GfxState * /*state*/, double /*wx*/, double /*wy*/);
        virtual void type3D1(GfxState * /*state*/, double /*wx*/, double /*wy*/, double /*llx*/, double /*lly*/, double /*urx*/, double /*ury*/);

private:
        void getPenState(GfxState *state);
        QString getColor(GfxColorSpace *color_space, GfxColor *color, int *shade);
        QString convertPath(GfxPath *path);
        int getBlendMode(GfxState *state);
        void applyMask(PageItem *ite);
        void pushGroup(QString maskName = "", GBool forSoftMask = gFalse, GBool alpha = gFalse, bool inverted = false);
        bool pathIsClosed;
        bool firstLayer;
        QString CurrColorFill;
        QString CurrColorStroke;
        Qt::PenCapStyle PLineEnd;
        Qt::PenJoinStyle PLineJoin;
        QVector<double> DashValues;
        double DashOffset;
        QString Coords;
        struct clipEntry
        {
                PageItem* ClipItem;
                FPointArray ClipCoords;
                int grStackDepth;
        };
        QStack<clipEntry> m_clipStack;
        struct groupEntry
        {
                QList<PageItem*> Items;
                GBool forSoftMask;
                GBool alpha;
                QString maskName;
                bool inverted;
        };
        QStack<groupEntry> m_groupStack;
        QString m_currentMask;
        ScribusDoc* m_doc;
        Selection* tmpSel;
        QList<PageItem*> *m_Elements;
        QStringList *m_importedColors;
        QTransform m_ctm;
        struct F3Entry
        {
                QTransform ctm;
                QString glyphRef;
        };
        QStack<F3Entry> m_F3Stack;
        QMap<QString, QString> m_Font_Pattern_Map;
        int grStackDepth;
        int layerNum;
        int currentLayer;
        int importerFlags;
        bool firstPage;
        int pagecount;
        XRef *xref;             // xref table for current document
        Catalog *catalog;
        SplashFontEngine *m_fontEngine;
        SplashFont *m_font;
};

#endif