Add the ImageZoomer now alwin connect some signals and slots

1 files changed, 66 insertions, 0 deletions

diff --git a/noncore/graphics/opie-eye/lib/oimagezoomer.h b/noncore/graphics/opie-eye/lib/oimagezoomer.h
new file mode 100644
index 0000000..605416c
--- a/dev/null
+++ b/noncore/graphics/opie-eye/lib/oimagezoomer.h
@@ -0,0 +1,66 @@
+#ifndef OPIE_ODP_IMAGE_ZOOMER_H
+#define OPIE_ODP_IMAGE_ZOOMER_H
+
+#include <qframe.h>
+#include <qimage.h>
+
+class QPixmap;
+class QRect;
+class QPoint;
+
+
+namespace Opie {
+namespace MM   {
+
+/**
+ * \brief small class to zoom over a widget
+ *  This class takes a QImage or QPixmap
+ *  and gets the size of the original image
+ *  and provides depending of this widgets size
+ *  a zoomer and emits the region which should
+ *  be shown / zoomed to
+ */
+class OImageZoomer : public QFrame {
+    Q_OBJECT
+public:
+    OImageZoomer( QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
+    OImageZoomer( const QPixmap&,QWidget* parent = 0, const char* name = 0,  WFlags fl = 0 );
+    OImageZoomer( const QImage&, QWidget* parent = 0, const char* name= 0, WFlags fl = 0 );
+    OImageZoomer( const QSize&, const QSize&, QWidget* par, const char*, WFlags fl );
+    ~OImageZoomer();
+
+public slots:
+    void setImageSize( const QSize& );
+    void setViewPortSize( const QSize& );
+    void setVisiblePoint( const QPoint& );
+    void setVisiblePoint( int x, int y );
+    void setImage( const QImage& );
+    void setImage( const QPixmap& );
+
+signals:
+    void zoomAreaRel( int,int );
+    void zoomArea( int,int );
+
+public:
+    void resizeEvent( QResizeEvent* );
+
+protected:
+    void drawContents( QPainter* p );
+    void mousePressEvent( QMouseEvent* ev );
+    void mouseMoveEvent( QMouseEvent* ev );
+
+private:
+    void init();
+    QImage m_img;
+    QSize m_imgSize, m_visSize;
+    QPoint m_visPt;
+    int m_mouseX, m_mouseY;
+};
+
+inline void OImageZoomer::setVisiblePoint( int x, int y ) {
+    setVisiblePoint( QPoint( x, y ) );
+}
+
+}
+}
+#endif