svgview.h 3.4 KB

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  1. /****************************************************************************
  2. **
  3. ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
  4. ** Contact: http://www.qt-project.org/legal
  5. **
  6. ** This file is part of the examples of the Qt Toolkit.
  7. **
  8. ** $QT_BEGIN_LICENSE:BSD$
  9. ** You may use this file under the terms of the BSD license as follows:
  10. **
  11. ** "Redistribution and use in source and binary forms, with or without
  12. ** modification, are permitted provided that the following conditions are
  13. ** met:
  14. ** * Redistributions of source code must retain the above copyright
  15. ** notice, this list of conditions and the following disclaimer.
  16. ** * Redistributions in binary form must reproduce the above copyright
  17. ** notice, this list of conditions and the following disclaimer in
  18. ** the documentation and/or other materials provided with the
  19. ** distribution.
  20. ** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
  21. ** of its contributors may be used to endorse or promote products derived
  22. ** from this software without specific prior written permission.
  23. **
  24. **
  25. ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  26. ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  27. ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  28. ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  29. ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30. ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  31. ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  32. ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  33. ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  34. ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  35. ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  36. **
  37. ** $QT_END_LICENSE$
  38. **
  39. ****************************************************************************/
  40. #ifndef SVGVIEW_H
  41. #define SVGVIEW_H
  42. #include <QGraphicsView>
  43. #include <QGraphicsSvgItem>
  44. #include "forme.h"
  45. #include "draglabel.h"
  46. QT_BEGIN_NAMESPACE
  47. class QWheelEvent;
  48. class QPaintEvent;
  49. class QFile;
  50. QT_END_NAMESPACE
  51. class SvgView : public QGraphicsView
  52. {
  53. Q_OBJECT
  54. public:
  55. enum RendererType { Native, OpenGL, Image };
  56. SvgView(QWidget *parent = 0);
  57. void openFile(const QFile &file);
  58. void setRenderer(RendererType type = Native);
  59. void drawBackground(QPainter *p, const QRectF &rect);
  60. public slots:
  61. void setHighQualityAntialiasing(bool highQualityAntialiasing);
  62. void setViewBackground(bool enable);
  63. void setViewOutline(bool enable);
  64. protected:
  65. void wheelEvent(QWheelEvent *event);
  66. void paintEvent(QPaintEvent *event);
  67. //void touchEvent(QTouchEvent *event);
  68. bool qevent(QEvent *event);
  69. bool viewportEvent(QEvent *event);
  70. void dragEnterEvent(QDragEnterEvent *event);
  71. void dragMoveEvent(QDragMoveEvent *event);
  72. void dropEvent(QDropEvent *event);
  73. //void mousePressEvent(QMouseEvent *event);
  74. private:
  75. QFont serifFont;
  76. void gentle_zoom(double factor);
  77. qreal totalScaleFactor;
  78. RendererType m_renderer;
  79. bool simplepathview;
  80. QList<Forme*> pathList;
  81. QGraphicsSvgItem *m_svgItem;
  82. QGraphicsRectItem *m_backgroundItem;
  83. QGraphicsRectItem *m_outlineItem;
  84. void ajouter_forme(QStringList toadd,QGraphicsScene *s);
  85. qreal currentScale;
  86. qreal scaleMin=0.1;
  87. qreal currentScaleFactor=0;
  88. QImage m_image;
  89. };
  90. #endif // SVGVIEW_H