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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 ScImage;
class ScribusDoc;

class ScPs2OutputParams
{
public:
        ScPs2OutputParams(ScribusDoc* doc = nullptr);
        ScPainterExBase::ColorMode colorMode { ScPainterExBase::rgbMode };
        ScribusDoc* document { nullptr };
        bool reloadImages { true };
        int resolution { 72 };
        bool useProfiles { false };
        bool toGray { false };
        bool mirrorH { false };
        bool mirrorV { false };
        QString outputProfile;
        ScColorProfile   hProfile;
        ScColorTransform rgbToOutputColorTransform;
        ScColorTransform rgbToOutputImageTransform;
        ScColorTransform cmykToOutputColorTransform;
        ScColorTransform cmykToOutputImageTransform;
};

class SCRIBUS_API ScPainterEx_Ps2 : public ScPainterExBase
{
public:

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

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

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

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

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

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

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

        void setClipPath() override;

        void drawImage( ScImage *image, ScPainterExBase::ImageMode mode ) override;

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

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

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

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

protected:
        virtual void drawRGBImage_ps2(ScImage* image);
        virtual void drawCMYKImage_ps2(ScImage* image);

        virtual bool hasAlphaChannel(ScImage* image);

        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:

        enum AsciiEncoding
        {
                Ascii85Encoding,
                AsciiHexEncoding
        };

        /* Output stream */
        QTextStream   m_stream;
        ColorMode     m_colorMode;
        AsciiEncoding m_encoding { Ascii85Encoding };

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

        /* General output options */
        ScPs2OutputParams m_options;

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

        void putColor(const 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 { 1.0 };
        bool   m_fillRule { true };
        int    m_fillMode { 1 };                        // 0 = none, 1 = solid, 2 = gradient

        double m_patternScaleX { 1.0 };
        double m_patternScaleY { 1.0 };
        double m_patternOffsetX { 0.0 };
        double m_patternOffsetY { 0.0 };
        double m_patternRotation { 0.0 };
        double m_patternSkewX { 0.0 };
        double m_patternSkewY { 0.0 };
        bool   m_patternMirrorX { false };
        bool   m_patternMirrorY { false };

/* Stroking */
        ScColorShade m_strokeColor;
        double m_strokeTrans { 1.0 };
        double m_lineWidth { 1.0 };
        int    m_strokeMode { 0 };                              // 0 = none, 1 = solid, 2 = gradient 3 = pattern
/* Line End Style */
        Qt::PenCapStyle m_lineEnd { Qt::SquareCap };
/* Line Join Style */
        Qt::PenJoinStyle m_lineJoin { Qt::RoundJoin };
/* The Dash Array */
        QVector<double> m_array;
        double m_offset { 0.0 };
/* Transformation Stack */
        QStack<QTransform> m_stack;

/* Some data to describe state of drawing */   
        bool m_pathIsClosed { false };
        bool m_drawingClosedPath { false };
/* Drawing surface dimensions */
//      double m_deviceDimX { 0.0 };
//      double m_deviceDimY { 0.0 };
/* Device resolutions */
//      double m_deviceResX { 0.0 };
//      double m_deviceResY { 0.0 };

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

#endif