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/* This file is part of the KDE project
* Copyright (C) 2002-2003,2005 Rob Buis <buis@kde.org>
* Copyright (C) 2005-2006 Tim Beaulen <tbscope@gmail.com>
* Copyright (C) 2005,2007-2009 Jan Hambrecht <jaham@gmx.net>
*
* 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.
*/
#ifndef SVGPARSER_H
#define SVGPARSER_H
#include "flake_export.h"
#include "SvgGradientHelper.h"
#include "SvgPatternHelper.h"
#include "SvgFilterHelper.h"
#include "SvgClipPathHelper.h"
#include "SvgLoadingContext.h"
#include "SvgGraphicContext.h"
#include "SvgStyleParser.h"
#include <KoXmlReader.h>
#include <QGradient>
#include <QMap>
class KoShape;
class KoShapeContainer;
class KoShapeGroup;
class KoDocumentResourceManager;
class SvgTextHelper;
class FLAKE_EXPORT SvgParser
{
public:
SvgParser(KoDocumentResourceManager *documentResourceManager);
virtual ~SvgParser();
/// Parses a svg fragment, returning the list of top level child shapes
QList<KoShape*> parseSvg(const KoXmlElement &e, QSizeF * fragmentSize = 0);
/// Sets the initial xml base directory (the directory form where the file is read)
void setXmlBaseDir(const QString &baseDir);
/// Returns the list of all shapes of the svg document
QList<KoShape*> shapes() const;
protected:
/// Parses a container element, returning a list of child shapes
QList<KoShape*> parseContainer(const KoXmlElement &);
/// Parses a use element, returning a list of child shapes
QList<KoShape*> parseUse(const KoXmlElement &);
/// Parses definitions for later use
void parseDefs(const KoXmlElement &);
/// Parses a gradient element
bool parseGradient(const KoXmlElement &, const KoXmlElement &referencedBy = KoXmlElement());
/// Parses a pattern element
void parsePattern(SvgPatternHelper &pattern, const KoXmlElement &);
/// Parses a filter element
bool parseFilter(const KoXmlElement &, const KoXmlElement &referencedBy = KoXmlElement());
/// Parses a clip path element
bool parseClipPath(const KoXmlElement &, const KoXmlElement &referencedBy = KoXmlElement());
/// parses a length attribute
qreal parseUnit(const QString &, bool horiz = false, bool vert = false, const QRectF &bbox = QRectF());
/// parses a length attribute in x-direction
qreal parseUnitX(const QString &unit);
/// parses a length attribute in y-direction
qreal parseUnitY(const QString &unit);
/// parses a length attribute in xy-direction
qreal parseUnitXY(const QString &unit);
/// Creates an object from the given xml element
KoShape * createObject(const KoXmlElement &, const SvgStyles &style = SvgStyles());
/// Create path object from the given xml element
KoShape * createPath(const KoXmlElement &);
/// find gradient with given id in gradient map
SvgGradientHelper* findGradient(const QString &id, const QString &href = QString());
/// find pattern with given id in pattern map
SvgPatternHelper* findPattern(const QString &id);
/// find filter with given id in filter map
SvgFilterHelper* findFilter(const QString &id, const QString &href = QString());
/// find clip path with given id in clip path map
SvgClipPathHelper* findClipPath(const QString &id, const QString &href = QString());
/// Adds list of shapes to the given group shape
void addToGroup(QList<KoShape*> shapes, KoShapeGroup * group);
/// creates a shape from the given shape id
KoShape * createShape(const QString &shapeID);
/// Creates shape from specified svg element
KoShape * createShapeFromElement(const KoXmlElement &element, SvgLoadingContext &context);
/// Builds the document from the given shapes list
void buildDocument(QList<KoShape*> shapes);
/// Applies styles to the given shape
void applyStyle(KoShape *, const KoXmlElement &);
/// Applies styles to the given shape
void applyStyle(KoShape *, const SvgStyles &);
/// Applies the current fill style to the object
void applyFillStyle(KoShape * shape);
/// Applies the current stroke style to the object
void applyStrokeStyle(KoShape * shape);
/// Applies the current filter to the object
void applyFilter(KoShape * shape);
/// Applies the current clip path to the object
void applyClipping(KoShape *shape);
/// Applies id to specified shape
void applyId(const QString &id, KoShape *shape);
private:
QSizeF m_documentSize;
SvgLoadingContext m_context;
QMap<QString, SvgGradientHelper> m_gradients;
QMap<QString, SvgPatternHelper> m_patterns;
QMap<QString, SvgFilterHelper> m_filters;
QMap<QString, SvgClipPathHelper> m_clipPaths;
KoDocumentResourceManager *m_documentResourceManager;
QList<KoShape*> m_shapes;
QList<KoShape*> m_toplevelShapes;
};
#endif
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