qsvgstructure_p.h

奇趣公司比较新的qt/emd版本

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**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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** This file is part of the QtSVG module of the Qt Toolkit.
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#ifndef QSVGSTRUCTURE_P_H
#define QSVGSTRUCTURE_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 "qsvgnode_p.h"

#include "QtCore/qlist.h"
#include "QtCore/qhash.h"

class QSvgTinyDocument;
class QSvgNode;
class QPainter;
class QSvgDefs;

class QSvgStructureNode : public QSvgNode
{
public:
    QSvgStructureNode(QSvgNode *parent);
    ~QSvgStructureNode();
    QSvgNode *scopeNode(const QString &id) const;
    QSvgStyleProperty *scopeStyle(const QString &id) const;
    void addChild(QSvgNode *child, const QString &id, bool def = false);
    virtual QRectF bounds() const;
    virtual QRectF transformedBounds(const QMatrix &mat) const;
    QSvgNode *previousSiblingNode(QSvgNode *n) const;
    QList<QSvgNode*> renderers() const { return m_renderers; }
protected:
    QList<QSvgNode*>          m_renderers;
    QHash<QString, QSvgNode*> m_scope;
    QList<QSvgStructureNode*> m_linkedScopes;
    mutable QRectF m_bounds;
};

class QSvgG : public QSvgStructureNode
{
public:
    QSvgG(QSvgNode *parent);
    virtual void draw(QPainter *p);
    Type type() const;
};

class QSvgDefs : public QSvgStructureNode
{
public:
    QSvgDefs(QSvgNode *parent);
    virtual void draw(QPainter *p);
    Type type() const;
};

class QSvgSwitch : public QSvgStructureNode
{
public:
    QSvgSwitch(QSvgNode *parent);
    virtual void draw(QPainter *p);
    Type type() const;
private:
    void init();
private:
    QString m_systemLanguage;
    QString m_systemLanguagePrefix;
private:
    static QHash<QString, bool> m_features;
    static QHash<QString, bool> m_extensions;
};

#endif // QSVGSTRUCTURE_P_H