增加图片预览查看模块

imageviewwindow/graphicspixmap.h

@@ -0,0 +1,38 @@
+#ifndef GRAPHICSPIXMAP_H
+#define GRAPHICSPIXMAP_H
+
+#include <QObject>
+#include <QGraphicsObject> 
+#include <QPixmap>
+
+class GraphicsPixmap : public QGraphicsObject
+{
+	Q_OBJECT
+	Q_PROPERTY(QPointF itemoffset READ itemoffset WRITE setItemOffset)
+	Q_PROPERTY(QSize itemsize READ pixsize WRITE setPixmapSize)
+
+public:
+	GraphicsPixmap();
+
+public:
+	QRectF boundingRect() const Q_DECL_OVERRIDE;
+	void setItemOffset(QPointF ponit);
+	QPointF itemoffset();
+	QSize pixsize();
+	void setPixmap(const QPixmap& pixmap);
+	void setPixmapSize(QSize size);
+
+signals:
+	void clicked();
+
+private:
+	void mousePressEvent(QGraphicsSceneMouseEvent *event) Q_DECL_OVERRIDE;
+	void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *) Q_DECL_OVERRIDE;
+
+private:
+	QPixmap pix;
+	QPointF offset;
+	QSize pixSize;
+};
+
+#endif // GRAPHICSPIXMAP_H