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/*
Copyright (C) 2003 KSVG Team
This file is part of the KDE project
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
aint 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.
*/
#ifndef CANVASITEMS_H
#define CANVASITEMS_H
#include <qptrlist.h>
#include "CanvasItem.h"
#include "SVGTextElementImpl.h"
#include "SVGTextPathElementImpl.h"
#include "svgpathparser.h"
#include "SVGBBoxTarget.h"
namespace T2P
{
class GlyphSet;
class BezierPath;
class GlyphLayoutParams;
}
namespace KSVG
{
class KSVGCanvas;
class KSVGTextChunk;
class SVGPathParser;
class SVGMatrixImpl;
class SVGMarkerElementImpl;
class SVGClipPathElementImpl;
class SVGTextContentElementImpl;
class SVGTextPathElementImpl;
#define CANVAS_CLASS(Prefix, Class, Postfix, Member) \
class Canvas##Class : public CanvasItem \
{ \
public: \
Canvas##Class(Prefix##Class##Postfix *Member) : CanvasItem(), m_##Member(Member) { } \
virtual ~Canvas##Class() { } \
virtual SVGElementImpl *element() { return reinterpret_cast<SVGElementImpl *>(m_##Member); } \
protected: \
Prefix##Class##Postfix *m_##Member; \
};
CANVAS_CLASS(SVG, ClipPath, ElementImpl, clipPath)
class CanvasMarker : public CanvasItem
{
public:
CanvasMarker(SVGMarkerElementImpl *marker) : CanvasItem(), m_marker(marker) {}
virtual ~CanvasMarker() {}
virtual SVGElementImpl *element() { return reinterpret_cast<SVGElementImpl *>(m_marker); }
virtual void draw(SVGShapeImpl *obj, double x, double y, double lwidth = 1.0, double angle = 0.0)
{
Q_UNUSED(obj); Q_UNUSED(x); Q_UNUSED(y); Q_UNUSED(lwidth); Q_UNUSED(angle);
}
protected:
SVGMarkerElementImpl *m_marker;
};
class MarkerHelper
{
protected:
void doStartMarker(SVGShapeImpl *shape, SVGStylableImpl *style, double x, double y, double angle = 0.0);
void doMidMarker(SVGShapeImpl *shape, SVGStylableImpl *style, double x, double y, double angle = 0.0);
void doEndMarker(SVGShapeImpl *shape, SVGStylableImpl *style, double x, double y, double angle = 0.0);
private:
void doMarker(SVGShapeImpl *shape, SVGStylableImpl *style, double x, double y, double angle, const QString &marker);
};
class CanvasText : public CanvasItem
{
public:
CanvasText(SVGTextElementImpl *text);
virtual ~CanvasText();
KSVGTextChunk *createTextChunk(KSVGCanvas *canvas, const SVGMatrixImpl *screenCTM, int &curx, int &cury, int &endx, int &endy);
virtual SVGElementImpl *element() const { return m_text; }
virtual void renderCallback(SVGTextContentElementImpl *element, const SVGMatrixImpl *screenCTM, T2P::GlyphSet *glyph, T2P::GlyphLayoutParams *params, double anchor) const = 0;
void createGlyphs(KSVGTextChunk *textChunk, KSVGCanvas *canvas, const SVGMatrixImpl *screenCTM, int curx, int cury, int &endx, int &endy, T2P::BezierPath *bpath = 0) const;
virtual void addTextDecoration(SVGTextContentElementImpl *element, double x, double y, double w, double h) const = 0;
private:
void handleTSpan(KSVGCanvas *canvas, const SVGMatrixImpl *screenCTM, int &curx, int &cury, int &endx, int &endy, SVGElementImpl *element, KSVGTextChunk *textChunk, T2P::BezierPath *bpath);
protected:
SVGTextElementImpl *m_text;
};
class CanvasPaintServer : public SVGBBoxTarget
{
public:
CanvasPaintServer() : SVGBBoxTarget() { m_finalized = false; }
virtual ~CanvasPaintServer() {}
void setFinalized() { m_finalized = true; }
void resetFinalized() { m_finalized = false; }
bool finalized() { return m_finalized; }
virtual void finalizePaintServer() = 0;
virtual void reference(const QString &href) = 0;
private:
bool m_finalized;
};
}
#endif
// vim:ts=4:noet
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