Zoom support

2016-07-30 16:08:06 +02:00
parent b44ff27f54
commit a679efa11a
3 changed files with 89 additions and 5 deletions
@@ -6,18 +6,27 @@

 class ImageScrollArea : public QScrollArea
 {
+    Q_OBJECT
    QPoint m_lastPos;
    QLabel *m_label;
    QPixmap m_pixmap;
+    float m_scale;
 public:
    explicit ImageScrollArea(QWidget *parent = 0);
    void setImage(const QPixmap &img);
+    void setScale(float scale);
+public slots:
+    void zoomIn();
+    void zoomOut();
+    void bestFit();
+    void oneToOne();
 protected:
    void keyPressEvent(QKeyEvent *event);
    void keyReleaseEvent(QKeyEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mousePressEvent(QMouseEvent *event);
    void resizeEvent(QResizeEvent *event);
+    void wheelEvent(QWheelEvent *event);
 };

 #endif // IMAGESCROLLAREA_H