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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.
*/

/* This file is part of the KDE project
   Copyright (C) 2001, 2002, 2003 The Karbon Developers

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

/* Adapted for Scribus 22.08.2003 by Franz Schmid */
/* Adapted for Scribus 15.01.2006 by Jean Ghali */

#ifndef __SCPAINTEREX_PS2_H__
#define __SCPAINTEREX_PS2_H__

// libart wrapper

#include <QGlobalStatic>
#include <QColor>
#include <QFont>
#include <QTransform>
#include <QList>
#include <QPixmap>
#include <QStack>
#include <QTextStream>

#include "scribusapi.h"
#include "scconfig.h"
#include "colormgmt/sccolormgmtengine.h"
#include "fpoint.h"
#include "fpointarray.h"
#include "vgradient.h"
#include "scpainterexbase.h"

class ScribusDoc;

class ScPs2OutputParams
{
public:
        ScPs2OutputParams(ScribusDoc* doc = NULL);
        ScPainterExBase::ColorMode colorMode;
        ScribusDoc* document;
        bool reloadImages;
        int resolution;
        bool useProfiles;
        bool toGray;
        bool mirrorH;
        bool mirrorV;
        QString outputProfile;
        ScColorProfile   hProfile;
        ScColorTransform rgbToOutputColorTransform;
        ScColorTransform rgbToOutputImageTransform;
        ScColorTransform cmykToOutputColorTransform;
        ScColorTransform cmykToOutputImageTransform;
};

class SCRIBUS_API ScPainterEx_Ps2 : public ScPainterExBase
{
public:

        ScPainterEx_Ps2( QIODevice* iodev, QRect& rect, ScPs2OutputParams& options );
        virtual ~ScPainterEx_Ps2();

        virtual int supportedColorModes() { return (int) (rgbMode|cmykMode); }
        virtual ColorMode preferredColorMode() { return m_colorMode; }
        virtual void setPreferredColorMode(ScPainterEx_Ps2::ColorMode colorMode) { m_colorMode = colorMode; }
        virtual ImageMode imageMode();

        virtual void begin();
        virtual void end();
        virtual void clear();
        virtual void clear( ScColorShade & );

        // matrix manipulation
        virtual void setWorldMatrix( const QTransform & );
        virtual const QTransform worldMatrix();
        virtual void translate( double, double );
        virtual void rotate( double );
        virtual void scale( double, double );

        // drawing
        virtual void moveTo( const double &, const double & );
        virtual void lineTo( const double &, const double & );
        virtual void curveTo( FPoint p1, FPoint p2, FPoint p3 );
        virtual void newPath();
        virtual void closePath();
        virtual void fillPath();
        virtual void strokePath();
        virtual void setFillRule( bool fillRule );
        virtual bool fillRule() { return m_fillRule; }
        virtual void setFillMode( int fill );
        virtual int  fillMode() { return m_fillMode; }
        virtual void setStrokeMode( int fill );
        virtual int  strokeMode() { return m_strokeMode; }
        virtual void setGradient( VGradientEx::Type mode, FPoint orig, FPoint vec, FPoint foc, double scale, double skew);
        virtual void setPattern(ScPattern *pattern, double scaleX, double scaleY, double offsetX, double offsetY, double rotation, double skewX, double skewY, bool mirrorX, bool mirrorY);

        virtual void setMaskMode( int mask ) {};
        virtual void setGradientMask(VGradientEx::Type mode, FPoint orig, FPoint vec, FPoint foc, double scale, double skew) {};
        virtual void setPatternMask(ScPattern *pattern, double scaleX, double scaleY, double offsetX, double offsetY, double rotation, double skewX, double skewY, bool mirrorX, bool mirrorY) {};

        virtual void set4ColorGeometry(FPoint p1, FPoint p2, FPoint p3, FPoint p4, FPoint c1, FPoint c2, FPoint c3, FPoint c4) {};
        virtual void set4ColorColors(const ScColorShade& col1, const ScColorShade& col2, const ScColorShade& col3, const ScColorShade& col4) {};
        virtual void setDiamondGeometry(FPoint p1, FPoint p2, FPoint p3, FPoint p4, FPoint c1, FPoint c2, FPoint c3, FPoint c4, FPoint c5) {};
        virtual void setMeshGradient(FPoint p1, FPoint p2, FPoint p3, FPoint p4, QList<QList<meshPoint> > meshArray) {};
        virtual void setMeshGradient(FPoint p1, FPoint p2, FPoint p3, FPoint p4, QList<meshGradientPatch> meshPatches) {};

        virtual void setClipPath();

        virtual void drawImage( ScImage *image, ScPainterExBase::ImageMode mode );
        virtual void drawRGBImage_ps2( ScImage *image );
        virtual void drawCMYKImage_ps2( ScImage *image );

        virtual bool hasAlphaChannel( ScImage* image );

        virtual void setupPolygon(FPointArray *points, bool closed = true);
        virtual void drawPolygon();
        virtual void drawPolyLine();
        virtual void drawLine(FPoint start, FPoint end);
        virtual void drawRect(double, double, double, double);

        // pen + brush
        virtual ScColorShade pen();
        virtual ScColorShade brush();
        virtual void setPen( const ScColorShade & );
        virtual void setPen( const ScColorShade &c, double w, Qt::PenStyle st, Qt::PenCapStyle ca, Qt::PenJoinStyle jo );
        virtual void setPenOpacity( double op );
        virtual void setLineWidth( double w);
        virtual void setDash(const QVector<double>& array, double ofs);
        virtual void setBrush( const ScColorShade & );
        virtual void setBrushOpacity( double op );
        virtual void setOpacity( double op );
        virtual void setFont( const QFont &f );
        virtual QFont font();

        // stack management
        virtual void save();
        virtual void restore();

        virtual void setRasterOp( int op );
        virtual void setBlendModeFill( int blendMode ) {};
        virtual void setBlendModeStroke( int blendMode ) {};

protected:

        virtual void writeRGBImageToStream_Ascii85 ( ScImage* image );
        virtual void writeRGBImageToStream_AsciiHex ( ScImage* image );
        virtual void writeCMYKImageToStream_Ascii85( ScImage* image );
        virtual void writeCMYKImageToStream_AsciiHex( ScImage* image );
        virtual void writeMaskToStream ( QImage* image );

private:

        typedef enum {
                Ascii85Encoding,
                AsciiHexEncoding
        } AsciiEncoding;

        /* Output stream */
        QTextStream   m_stream;
        ColorMode     m_colorMode;
        AsciiEncoding m_encoding;

        /* Path bounding boxes*/
        QRect m_pathBBox;
        QRect m_clipBBox;

        /* General output options */
        ScPs2OutputParams m_options;

        /* Basic drawing functions*/
        void drawVPath( int mode );
        void drawGradient( VGradientEx& gradient );
        void drawLinearGradient( VGradientEx& gradient, const QRect& rect );
        void drawLinearGradient_RGB( VGradientEx& gradient, const QRect& rect );
        void drawLinearGradient_CMYK( VGradientEx& gradient, const QRect& rect );
        void drawCircularGradient( VGradientEx& gradient, const QRect& rect );
        void drawCircularGradient_RGB( VGradientEx& gradient, const QRect& rect );
        void drawCircularGradient_CMYK( VGradientEx& gradient, const QRect& rect );
        void getPathBoundingBox( FPointArray* points, QRect& r );
        void transformPoint( const FPoint& in, FPoint& out );
        void transformPoints( const FPoint* in, FPoint* out, uint length );

        void putColor( ScColorShade& colorShade, bool doFill );

        unsigned int m_width;
        unsigned int m_height;
        unsigned int m_x;
        unsigned int m_y;
        QTransform m_pageTrans;
        QTransform m_matrix;
        QFont m_font;
/* Filling */
        ScColorShade m_fillColor;
        double m_fillTrans;
        bool   m_fillRule;
        int    m_fillMode;                      // 0 = none, 1 = solid, 2 = gradient
        int    m_gradientMode;          // 1 = linear, 2 = radial

        double m_patternScaleX;
        double m_patternScaleY;
        double m_patternOffsetX;
        double m_patternOffsetY;
        double m_patternRotation;
        double m_patternSkewX;
        double m_patternSkewY;
        bool   m_patternMirrorX;
        bool   m_patternMirrorY;

/* Stroking */
        ScColorShade m_strokeColor;
        double m_strokeTrans;
        double m_lineWidth;
        int    m_strokeMode;                            // 0 = none, 1 = solid, 2 = gradient 3 = pattern
/* Line End Style */
        Qt::PenCapStyle m_lineEnd;
/* Line Join Style */
        Qt::PenJoinStyle m_lineJoin;
/* The Dash Array */
        QVector<double> m_array;
        double m_offset;
/* Transformation Stack */
        QStack<QTransform> m_stack;
/* Zoom Factor of the Painter */
        double m_zoomFactor;

/* Some data to describe state of drawing */   
        bool m_pathIsClosed;
        bool m_drawingClosedPath;
/* Drawing surface dimensions */
        double m_deviceDimX;
        double m_deviceDimY;
/* Device resolutions */
        double m_deviceResX;
        double m_deviceResY;

/* Color conversion function */
        void   transformImage( QImage* image, uchar* data, int scan);
};

#endif