/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtSvg module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#ifndef QSVGHANDLER_P_H | |
#define QSVGHANDLER_P_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. It exists purely as an | |
// implementation detail. This header file may change from version to | |
// version without notice, or even be removed. | |
// | |
// We mean it. | |
// | |
#include "QtXml/qxmlstream.h" | |
#ifndef QT_NO_SVG | |
#include "QtCore/qhash.h" | |
#include "QtCore/qstack.h" | |
#include "qsvgstyle_p.h" | |
#include "private/qcssparser_p.h" | |
#include "private/qsvggraphics_p.h" | |
QT_BEGIN_NAMESPACE | |
class QSvgNode; | |
class QSvgTinyDocument; | |
class QSvgHandler; | |
class QColor; | |
class QSvgStyleSelector; | |
class QXmlStreamReader; | |
struct QSvgCssAttribute | |
{ | |
QXmlStreamStringRef name; | |
QXmlStreamStringRef value; | |
}; | |
class QSvgHandler | |
{ | |
public: | |
enum LengthType { | |
LT_PERCENT, | |
LT_PX, | |
LT_PC, | |
LT_PT, | |
LT_MM, | |
LT_CM, | |
LT_IN, | |
LT_OTHER | |
}; | |
public: | |
QSvgHandler(QIODevice *device); | |
QSvgHandler(const QByteArray &data); | |
QSvgHandler(QXmlStreamReader *const data); | |
~QSvgHandler(); | |
QSvgTinyDocument *document() const; | |
inline bool ok() const { | |
return document() != 0 && !xml->hasError(); | |
} | |
inline QString errorString() const { return xml->errorString(); } | |
inline int lineNumber() const { return xml->lineNumber(); } | |
void setDefaultCoordinateSystem(LengthType type); | |
LengthType defaultCoordinateSystem() const; | |
void pushColor(const QColor &color); | |
void pushColorCopy(); | |
void popColor(); | |
QColor currentColor() const; | |
void setInStyle(bool b); | |
bool inStyle() const; | |
QSvgStyleSelector *selector() const; | |
void setAnimPeriod(int start, int end); | |
int animationDuration() const; | |
void parseCSStoXMLAttrs(QString css, QVector<QSvgCssAttribute> *attributes); | |
inline QPen defaultPen() const | |
{ return m_defaultPen; } | |
public: | |
bool startElement(const QString &localName, const QXmlStreamAttributes &attributes); | |
bool endElement(const QStringRef &localName); | |
bool characters(const QStringRef &str); | |
bool processingInstruction(const QString &target, const QString &data); | |
private: | |
void init(); | |
QSvgTinyDocument *m_doc; | |
QStack<QSvgNode*> m_nodes; | |
QList<QSvgNode*> m_resolveNodes; | |
enum CurrentNode | |
{ | |
Unknown, | |
Graphics, | |
Style | |
}; | |
QStack<CurrentNode> m_skipNodes; | |
/*! | |
Follows the depths of elements. The top is current xml:space | |
value that applies for a given element. | |
*/ | |
QStack<QSvgText::WhitespaceMode> m_whitespaceMode; | |
QSvgRefCounter<QSvgStyleProperty> m_style; | |
LengthType m_defaultCoords; | |
QStack<QColor> m_colorStack; | |
QStack<int> m_colorTagCount; | |
bool m_inStyle; | |
QSvgStyleSelector *m_selector; | |
int m_animEnd; | |
QXmlStreamReader *const xml; | |
QCss::Parser m_cssParser; | |
void parse(); | |
void resolveGradients(QSvgNode *node); | |
QPen m_defaultPen; | |
/** | |
* Whether we own the variable xml, and hence whether | |
* we need to delete it. | |
*/ | |
const bool m_ownsReader; | |
}; | |
QT_END_NAMESPACE | |
#endif // QT_NO_SVG | |
#endif // QSVGHANDLER_P_H |