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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 __SCPAINTEREXBASE_H__
#define __SCPAINTEREXBASE_H__

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

#include "scribusapi.h"
#include "scconfig.h"
#include "fpoint.h"
#include "fpointarray.h"
#include "mesh.h"
#include "vgradientex.h"
#include "sccolorshade.h"

class ScImage;
class ScPattern;

class SCRIBUS_API ScPainterExBase
{
public:
        virtual ~ScPainterExBase() {};

        enum FillMode { None, Solid, Gradient, Pattern };
        enum ColorMode { rgbMode = 1, cmykMode = 2 };
        enum ImageMode { cmykImages, rgbImages, rawImages };
        enum Capabilities{ basic = 0, transparencies = 1, patterns = 2 };

        virtual Capabilities capabilities() { return basic; }
        virtual bool hasCapability(Capabilities cap) { return ((m_capabilities & (int) cap) != 0); }

        virtual int supportedColorModes() = 0;
        virtual ColorMode preferredColorMode() = 0;
        virtual ImageMode imageMode() = 0;
       
        virtual void begin() = 0;
        virtual void end() = 0;
        virtual void clear() = 0;
        virtual void clear(ScColorShade&) = 0;

        // matrix manipulation
        virtual void setWorldMatrix(const QTransform &) = 0;
        virtual const QTransform worldMatrix() = 0;
        virtual void translate(double, double) = 0;
        virtual void translate(const QPointF& offset) = 0;
        virtual void rotate(double) = 0;
        virtual void scale(double, double) = 0;

        // drawing
        virtual void moveTo(const double &, const double &) = 0;
        virtual void lineTo(const double &, const double &) = 0;
        virtual void curveTo(FPoint p1, FPoint p2, FPoint p3) = 0;
        virtual void newPath() = 0;
        virtual void fillPath() = 0;
        virtual void strokePath() = 0;
        virtual void setFillRule(bool fillRule) = 0;
        virtual bool fillRule()  = 0;
        virtual void setFillMode(int fill) = 0;
        virtual int  fillMode() = 0;
        virtual void setStrokeMode(int stroke) = 0;
        virtual int  strokeMode() = 0;
        virtual void setGradient(VGradientEx::Type mode, FPoint orig, FPoint vec, FPoint foc, double scale, double skew) = 0;
        virtual void setPattern(ScPattern *pattern, double scaleX, double scaleY, double offsetX, double offsetY, double rotation, double skewX, double skewY, bool mirrorX, bool mirrorY) = 0;

        virtual void setMaskMode(int mask) = 0;
        virtual void setGradientMask(VGradientEx::Type mode, FPoint orig, FPoint vec, FPoint foc, double scale, double skew) = 0;
        virtual void setPatternMask(ScPattern *pattern, double scaleX, double scaleY, double offsetX, double offsetY, double rotation, double skewX, double skewY, bool mirrorX, bool mirrorY) = 0;

        virtual void set4ColorGeometry(FPoint p1, FPoint p2, FPoint p3, FPoint p4, FPoint c1, FPoint c2, FPoint c3, FPoint c4) = 0;
        virtual void set4ColorColors(const ScColorShade& col1, const ScColorShade& col2, const ScColorShade& col3, const ScColorShade& col4) = 0;
        virtual void setDiamondGeometry(FPoint p1, FPoint p2, FPoint p3, FPoint p4, FPoint c1, FPoint c2, FPoint c3, FPoint c4, FPoint c5) = 0;
        virtual void setMeshGradient(FPoint p1, FPoint p2, FPoint p3, FPoint p4, QList<QList<MeshPoint> > meshArray) = 0;
        virtual void setMeshGradient(FPoint p1, FPoint p2, FPoint p3, FPoint p4, QList<meshGradientPatch> meshPatches) = 0;

        virtual void setClipPath() = 0;

        virtual void drawImage(ScImage *image, ScPainterExBase::ImageMode mode) = 0;
        virtual void setupPolygon(const FPointArray *points, bool closed = true) = 0;
        virtual void drawPolygon() = 0;
        virtual void drawPolyLine() = 0;
        virtual void drawLine(FPoint start, FPoint end) = 0;
        virtual void drawLine(const QPointF& start, const QPointF& end) = 0;
        virtual void drawRect(double, double, double, double) = 0;

        // pen + brush
        virtual ScColorShade pen() = 0;
        virtual ScColorShade brush() = 0;
        virtual void setPen(const ScColorShade &c) = 0;
        virtual void setPen(const ScColorShade &c, double w, Qt::PenStyle st, Qt::PenCapStyle ca, Qt::PenJoinStyle jo) = 0;
        virtual void setPenOpacity(double op) = 0;
        virtual void setLineWidth(double w) = 0;
        virtual void setDash(const QVector<double>& array, double ofs) = 0;
        virtual void setBrush(const ScColorShade &) = 0;
        virtual void setBrushOpacity(double op) = 0;
        virtual void setOpacity(double op) = 0;
        virtual void setFont(const QFont &f) = 0;
        virtual QFont font() = 0;

        // stack management
        virtual void save() = 0;
        virtual void restore() = 0;

        virtual void setRasterOp(int op) = 0;
        virtual void setBlendModeFill(int blendMode) = 0;
        virtual void setBlendModeStroke(int blendMode) = 0;

        VGradientEx  m_fillGradient;
        VGradientEx  m_strokeGradient;
        VGradientEx  m_maskGradient;
        ScPattern*   m_pattern;
        ScPattern*   m_maskPattern;
        QTransform   m_patternTransform;

protected:
        int m_capabilities;
        ScPainterExBase(void);
};

#endif