Quantum GIS API Documentation  1.7.4
src/gui/qgsmapcanvasmap.h
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00001 /***************************************************************************
00002     qgsmapcanvasmap.h  -  draws the map in map canvas
00003     ----------------------
00004     begin                : February 2006
00005     copyright            : (C) 2006 by Martin Dobias
00006     email                : wonder.sk at gmail dot com
00007  ***************************************************************************
00008  *                                                                         *
00009  *   This program is free software; you can redistribute it and/or modify  *
00010  *   it under the terms of the GNU General Public License as published by  *
00011  *   the Free Software Foundation; either version 2 of the License, or     *
00012  *   (at your option) any later version.                                   *
00013  *                                                                         *
00014  ***************************************************************************/
00015 /* $Id$ */
00016 
00017 #ifndef QGSMAPCANVASMAP_H
00018 #define QGSMAPCANVASMAP_H
00019 
00020 #include <QGraphicsRectItem>
00021 #include <QPixmap>
00022 
00023 #include <qgis.h>
00024 
00025 class QgsMapRenderer;
00026 class QgsMapCanvas;
00027 
00031 class GUI_EXPORT QgsMapCanvasMap : public QGraphicsRectItem
00032 {
00033   public:
00034 
00036     QgsMapCanvasMap( QgsMapCanvas* canvas );
00037 
00039     void resize( QSize size );
00040 
00041     void enableAntiAliasing( bool flag ) { mAntiAliasing = flag; }
00042 
00043     void useImageToRender( bool flag ) { mUseQImageToRender = flag; }
00044 
00046     void render();
00047 
00048     void setBackgroundColor( const QColor& color ) { mBgColor = color; }
00049 
00050     void setPanningOffset( const QPoint& point );
00051 
00053     Q_DECL_DEPRECATED QPixmap& pixmap() { return mPixmap; }
00054 
00055     QPaintDevice& paintDevice();
00056 
00057     void paint( QPainter* p, const QStyleOptionGraphicsItem*, QWidget* );
00058 
00059     QRectF boundingRect() const;
00060 
00063     void updateContents();
00064 
00065   private:
00066 
00068     bool mAntiAliasing;
00069 
00071     bool mUseQImageToRender;
00072 
00073     QPixmap mPixmap;
00074     QImage mImage;
00075 
00076     //QgsMapRenderer* mRender;
00077     QgsMapCanvas* mCanvas;
00078 
00079     QColor mBgColor;
00080 
00081     QPoint mOffset;
00082 };
00083 
00084 #endif
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