src/svg/qsvgtinydocument_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 QSVGTINYDOCUMENT_P_H
       
    43 #define QSVGTINYDOCUMENT_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 "qsvgstructure_p.h"
       
    57 
       
    58 #ifndef QT_NO_SVG
       
    59 
       
    60 #include "QtCore/qrect.h"
       
    61 #include "QtCore/qlist.h"
       
    62 #include "QtCore/qhash.h"
       
    63 #include "QtCore/qdatetime.h"
       
    64 #include "QtCore/qxmlstream.h"
       
    65 #include "qsvgstyle_p.h"
       
    66 #include "qsvgfont_p.h"
       
    67 
       
    68 QT_BEGIN_NAMESPACE
       
    69 
       
    70 class QPainter;
       
    71 class QByteArray;
       
    72 class QSvgFont;
       
    73 
       
    74 class Q_SVG_EXPORT QSvgTinyDocument : public QSvgStructureNode
       
    75 {
       
    76 public:
       
    77     static QSvgTinyDocument * load(const QString &file);
       
    78     static QSvgTinyDocument * load(const QByteArray &contents);
       
    79     static QSvgTinyDocument * load(QXmlStreamReader *contents);
       
    80 public:
       
    81     QSvgTinyDocument();
       
    82     ~QSvgTinyDocument();
       
    83     Type type() const;
       
    84 
       
    85     QSize size() const;
       
    86     void setWidth(int len, bool percent);
       
    87     void setHeight(int len, bool percent);
       
    88     int width() const;
       
    89     int height() const;
       
    90     bool widthPercent() const;
       
    91     bool heightPercent() const;
       
    92 
       
    93     bool preserveAspectRatio() const;
       
    94 
       
    95     QRectF viewBox() const;
       
    96     void setViewBox(const QRectF &rect);
       
    97 
       
    98     virtual void draw(QPainter *p, QSvgExtraStates &);//from the QSvgNode
       
    99 
       
   100     void draw(QPainter *p);
       
   101     void draw(QPainter *p, const QRectF &bounds);
       
   102     void draw(QPainter *p, const QString &id,
       
   103               const QRectF &bounds=QRectF());
       
   104 
       
   105     QMatrix matrixForElement(const QString &id) const;
       
   106     QRectF boundsOnElement(const QString &id) const;
       
   107     bool   elementExists(const QString &id) const;
       
   108 
       
   109     void addSvgFont(QSvgFont *);
       
   110     QSvgFont *svgFont(const QString &family) const;
       
   111     void addNamedNode(const QString &id, QSvgNode *node);
       
   112     QSvgNode *namedNode(const QString &id) const;
       
   113     void addNamedStyle(const QString &id, QSvgFillStyleProperty *style);
       
   114     QSvgFillStyleProperty *namedStyle(const QString &id) const;
       
   115 
       
   116     void restartAnimation();
       
   117     int currentElapsed() const;
       
   118     bool animated() const;
       
   119     void setAnimated(bool a);
       
   120     int animationDuration() const;
       
   121     int currentFrame() const;
       
   122     void setCurrentFrame(int);
       
   123     void setFramesPerSecond(int num);
       
   124 private:
       
   125     void mapSourceToTarget(QPainter *p, const QRectF &targetRect, const QRectF &sourceRect = QRectF());
       
   126 private:
       
   127     QSize  m_size;
       
   128     bool   m_widthPercent;
       
   129     bool   m_heightPercent;
       
   130 
       
   131     mutable QRectF m_viewBox;
       
   132 
       
   133     QHash<QString, QSvgRefCounter<QSvgFont> > m_fonts;
       
   134     QHash<QString, QSvgNode *> m_namedNodes;
       
   135     QHash<QString, QSvgRefCounter<QSvgFillStyleProperty> > m_namedStyles;
       
   136 
       
   137     QTime m_time;
       
   138     bool  m_animated;
       
   139     int   m_animationDuration;
       
   140     int   m_fps;
       
   141 
       
   142     QSvgExtraStates m_states;
       
   143 };
       
   144 
       
   145 inline QSize QSvgTinyDocument::size() const
       
   146 {
       
   147     if (m_size.isEmpty()) {
       
   148         return viewBox().size().toSize();
       
   149     } else {
       
   150         return m_size;
       
   151     }
       
   152 }
       
   153 
       
   154 inline int QSvgTinyDocument::width() const
       
   155 {
       
   156     return size().width();
       
   157 }
       
   158 
       
   159 inline int QSvgTinyDocument::height() const
       
   160 {
       
   161     return size().height();
       
   162 }
       
   163 
       
   164 inline bool QSvgTinyDocument::widthPercent() const
       
   165 {
       
   166     return m_widthPercent;
       
   167 }
       
   168 
       
   169 inline bool QSvgTinyDocument::heightPercent() const
       
   170 {
       
   171     return m_heightPercent;
       
   172 }
       
   173 
       
   174 inline QRectF QSvgTinyDocument::viewBox() const
       
   175 {
       
   176     if (m_viewBox.isNull()) {
       
   177         m_viewBox = transformedBounds(QTransform());
       
   178     }
       
   179 
       
   180     return m_viewBox;
       
   181 }
       
   182 
       
   183 inline bool QSvgTinyDocument::preserveAspectRatio() const
       
   184 {
       
   185     return false;
       
   186 }
       
   187 
       
   188 inline int QSvgTinyDocument::currentElapsed() const
       
   189 {
       
   190     return m_time.elapsed();
       
   191 }
       
   192 
       
   193 inline int QSvgTinyDocument::animationDuration() const
       
   194 {
       
   195     return m_animationDuration;
       
   196 }
       
   197 
       
   198 QT_END_NAMESPACE
       
   199 
       
   200 #endif // QT_NO_SVG
       
   201 #endif // QSVGTINYDOCUMENT_P_H