src/svg/qsvgnode_p.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the QtSvg module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef QSVGNODE_P_H
       
    43 #define QSVGNODE_P_H
       
    44 
       
    45 //
       
    46 //  W A R N I N G
       
    47 //  -------------
       
    48 //
       
    49 // This file is not part of the Qt API.  It exists purely as an
       
    50 // implementation detail.  This header file may change from version to
       
    51 // version without notice, or even be removed.
       
    52 //
       
    53 // We mean it.
       
    54 //
       
    55 
       
    56 #include "qsvgstyle_p.h"
       
    57 
       
    58 #ifndef QT_NO_SVG
       
    59 
       
    60 #include "QtCore/qstring.h"
       
    61 #include "QtCore/qhash.h"
       
    62 
       
    63 QT_BEGIN_NAMESPACE
       
    64 
       
    65 class QPainter;
       
    66 class QSvgTinyDocument;
       
    67 
       
    68 class QSvgNode
       
    69 {
       
    70 public:
       
    71     enum Type
       
    72     {
       
    73         DOC,
       
    74         G,
       
    75         DEFS,
       
    76         SWITCH,
       
    77         ANIMATION,
       
    78         ARC,
       
    79         CIRCLE,
       
    80         ELLIPSE,
       
    81         IMAGE,
       
    82         LINE,
       
    83         PATH,
       
    84         POLYGON,
       
    85         POLYLINE,
       
    86         RECT,
       
    87         TEXT,
       
    88         TEXTAREA,
       
    89         TSPAN,
       
    90         USE,
       
    91         VIDEO
       
    92     };
       
    93     enum DisplayMode {
       
    94         InlineMode,
       
    95         BlockMode,
       
    96         ListItemMode,
       
    97         RunInMode,
       
    98         CompactMode,
       
    99         MarkerMode,
       
   100         TableMode,
       
   101         InlineTableMode,
       
   102         TableRowGroupMode,
       
   103         TableHeaderGroupMode,
       
   104         TableFooterGroupMode,
       
   105         TableRowMode,
       
   106         TableColumnGroupMode,
       
   107         TableColumnMode,
       
   108         TableCellMode,
       
   109         TableCaptionMode,
       
   110         NoneMode,
       
   111         InheritMode
       
   112     };
       
   113 public:
       
   114     QSvgNode(QSvgNode *parent=0);
       
   115     virtual ~QSvgNode();
       
   116     virtual void draw(QPainter *p, QSvgExtraStates &states) =0;
       
   117 
       
   118     QSvgNode *parent() const;
       
   119 
       
   120     void appendStyleProperty(QSvgStyleProperty *prop, const QString &id);
       
   121     void applyStyle(QPainter *p, QSvgExtraStates &states);
       
   122     void revertStyle(QPainter *p, QSvgExtraStates &states);
       
   123     QSvgStyleProperty *styleProperty(QSvgStyleProperty::Type type) const;
       
   124     QSvgFillStyleProperty *styleProperty(const QString &id) const;
       
   125 
       
   126     QSvgTinyDocument *document() const;
       
   127 
       
   128     virtual Type type() const =0;
       
   129     virtual QRectF bounds() const;
       
   130     virtual QRectF transformedBounds(const QTransform &transform) const;
       
   131 
       
   132     void setRequiredFeatures(const QStringList &lst);
       
   133     const QStringList & requiredFeatures() const;
       
   134 
       
   135     void setRequiredExtensions(const QStringList &lst);
       
   136     const QStringList & requiredExtensions() const;
       
   137 
       
   138     void setRequiredLanguages(const QStringList &lst);
       
   139     const QStringList & requiredLanguages() const;
       
   140 
       
   141     void setRequiredFormats(const QStringList &lst);
       
   142     const QStringList & requiredFormats() const;
       
   143 
       
   144     void setRequiredFonts(const QStringList &lst);
       
   145     const QStringList & requiredFonts() const;
       
   146 
       
   147     void setVisible(bool visible);
       
   148     bool isVisible() const;
       
   149 
       
   150     void setDisplayMode(DisplayMode display);
       
   151     DisplayMode displayMode() const;
       
   152 
       
   153     QString nodeId() const;
       
   154     void setNodeId(const QString &i);
       
   155 
       
   156     QString xmlClass() const;
       
   157     void setXmlClass(const QString &str);
       
   158 protected:
       
   159     QSvgStyle   m_style;
       
   160 
       
   161     qreal strokeWidth() const;
       
   162 private:
       
   163     QSvgNode   *m_parent;
       
   164 
       
   165     QStringList m_requiredFeatures;
       
   166     QStringList m_requiredExtensions;
       
   167     QStringList m_requiredLanguages;
       
   168     QStringList m_requiredFormats;
       
   169     QStringList m_requiredFonts;
       
   170 
       
   171     bool        m_visible;
       
   172 
       
   173     QString m_id;
       
   174     QString m_class;
       
   175 
       
   176     DisplayMode m_displayMode;
       
   177 
       
   178     friend class QSvgTinyDocument;
       
   179 };
       
   180 
       
   181 inline QSvgNode *QSvgNode::parent() const
       
   182 {
       
   183     return m_parent;
       
   184 }
       
   185 
       
   186 inline bool QSvgNode::isVisible() const
       
   187 {
       
   188     return m_visible;
       
   189 }
       
   190 
       
   191 inline QString QSvgNode::nodeId() const
       
   192 {
       
   193     return m_id;
       
   194 }
       
   195 
       
   196 inline QString QSvgNode::xmlClass() const
       
   197 {
       
   198     return m_class;
       
   199 }
       
   200 
       
   201 QT_END_NAMESPACE
       
   202 
       
   203 #endif // QT_NO_SVG
       
   204 #endif // QSVGNODE_P_H