added the image-display widgets to lib 'cause it may used in other

applications
ToDo: Interface description

1 files changed, 95 insertions, 0 deletions

diff --git a/libopie2/opiemm/oimagescrollview.h b/libopie2/opiemm/oimagescrollview.h
new file mode 100644
index 0000000..3d2ea38
--- a/dev/null
+++ b/libopie2/opiemm/oimagescrollview.h
@@ -0,0 +1,95 @@
+#ifndef _IMAGE_SCROLL_VIEW_H
+#define _IMAGE_SCROLL_VIEW_H
+
+#include <qscrollview.h>
+#include <qimage.h>
+#include <qpixmap.h>
+#include <qstring.h>
+#include <qdialog.h>
+#include <qbitarray.h>
+
+
+class QPainter;
+
+namespace Opie { namespace MM { 
+
+    class OImageZoomer; 
+
+class OImageScrollView:public QScrollView
+{
+    Q_OBJECT
+public:
+    enum  Rotation {
+        Rotate0,
+        Rotate90,
+        Rotate180,
+        Rotate270
+    };
+
+    OImageScrollView( QWidget* parent, const char* name = 0, WFlags fl = 0 );
+    OImageScrollView (const QImage&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false );
+    OImageScrollView (const QString&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false );
+    virtual ~OImageScrollView();
+
+
+    virtual void setDestructiveClose();
+
+    virtual void setAutoRotate(bool);
+    virtual void setAutoScale(bool);
+    virtual void setShowZoomer(bool);
+
+    virtual bool AutoRotate()const;
+    virtual bool AutoScale()const;
+    virtual bool ShowZoomer()const;
+
+public slots:
+    virtual void setImage(const QImage&);
+    virtual void setImage( const QString& path );
+
+
+signals:
+    void imageSizeChanged( const QSize& );
+    void viewportSizeChanged( const QSize& );
+
+protected:
+    virtual void drawContents ( QPainter * p, int clipx, int clipy, int clipw, int cliph );
+    void init();
+
+    Opie::MM::OImageZoomer *_zoomer;
+    QImage _image_data;
+    QImage _original_data;
+    QPixmap _pdata;
+
+    int _mouseStartPosX,_mouseStartPosY;
+
+    QBitArray m_states;
+
+    Rotation m_last_rot;
+    QString m_lastName;
+    virtual void rescaleImage(int w, int h);
+
+    virtual void rotate_into_data(Rotation r);
+    virtual void generateImage();
+    virtual void loadJpeg(bool interncall = false);
+    bool image_fit_into(const QSize&s);
+    void check_zoomer();
+
+    /* internal bitset manipulation */
+    virtual bool ImageIsJpeg()const;
+    virtual void setImageIsJpeg(bool how);
+    virtual bool ImageScaledLoaded()const;
+    virtual void setImageScaledLoaded(bool how);
+    virtual bool FirstResizeDone()const;
+    virtual void setFirstResizeDone(bool how);
+
+protected slots:
+    virtual void viewportMouseMoveEvent(QMouseEvent* e);
+    virtual void contentsMousePressEvent ( QMouseEvent * e);
+    virtual void resizeEvent(QResizeEvent * e);
+    virtual void keyPressEvent(QKeyEvent * e);
+};
+
+}
+}
+
+#endif