hopefull better repainting when switching the image while view is

visible

1 files changed, 11 insertions, 19 deletions

diff --git a/libopie2/opiemm/oimagescrollview.cpp b/libopie2/opiemm/oimagescrollview.cpp
index 68b06af..30a8fba 100644
--- a/libopie2/opiemm/oimagescrollview.cpp
+++ b/libopie2/opiemm/oimagescrollview.cpp
@@ -91,17 +91,17 @@ void OImageScrollView::loadJpeg(bool interncall)
             int wid, hei;
             wid = QApplication::desktop()->width();
             hei = QApplication::desktop()->height();
             if (hei>wid) {
                 wid = hei;
             } else {
                 hei = wid;
             }
-            param = QString( "Fast Shrink( 3 ) Scale( %1, %2, ScaleFree)" ).arg( wid ).arg( hei );
+            param = QString( "Fast Shrink( 3 ) Scale( %1, %2, ScaleMin)" ).arg( wid ).arg( hei );
             odebug << "Load jpeg scaled \"" << param << "\"" << oendl;
             iio.setParameters(param.latin1());
             setImageScaledLoaded(true);
             real_load = true;
         }
     } else {
         if (ImageScaledLoaded()||!interncall) {
             odebug << "Load jpeg unscaled" << oendl;
@@ -120,16 +120,17 @@ void OImageScrollView::loadJpeg(bool interncall)
         }
     }
 }
 
 void OImageScrollView::setImage( const QString& path ) {
     odebug << "load new image " << oendl;
     if (m_lastName == path) return;
     m_lastName = path;
+    _original_data = QImage();
     QString itype = QImage::imageFormat(m_lastName);
     odebug << "Image type = " << itype << oendl;
     if (itype == "JPEG") {
         setImageIsJpeg(true);
         loadJpeg();
     } else {
         {
             QCopEnvelope( "QPE/System", "busy()" );
@@ -141,16 +142,17 @@ void OImageScrollView::setImage( const QString& path ) {
         {
             QCopEnvelope env( "QPE/System", "notBusy(QString)" );
             env << "Image loaded";
         }
     }
     _image_data = QImage();
     if (FirstResizeDone()) {
         generateImage();
+        if (isVisible()) viewport()->repaint(true);
     }
 }
 
 /* should be called every time the QImage changed it content */
 void OImageScrollView::init()
 {
     odebug << "init " << oendl;
 
@@ -345,27 +347,33 @@ void OImageScrollView::rotate_into_data(Rotation r)
 
     }
     _image_data = dest;
 }
 
 void OImageScrollView::generateImage()
 {
     Rotation r = Rotate0;
-    if (_original_data.isNull()) return;
+    _pdata = QPixmap();
+    if (_original_data.isNull()) {
+        emit imageSizeChanged( _image_data.size() );
+        if (_zoomer) _zoomer->setImage( _image_data );
+        return;
+    }
     {
         QCopEnvelope( "QPE/System", "busy()" );
     }
     if (width()>height()&&_original_data.width()<_original_data.height() ||
         width()<height()&&_original_data.width()>_original_data.height()) {
         if (AutoRotate()) r = Rotate90;
     }
 
+
     odebug << " r = " << r << oendl;
-    if (AutoScale()) {
+    if (AutoScale() && (_original_data.width()>width() || _original_data.height() > height()) ) {
         if (!_image_data.size().isValid()||width()>_image_data.width()||height()>_image_data.height()) {
             odebug << "Rescaling data" << oendl;
             if (r==Rotate0) {
                 _image_data = _original_data;
             } else {
                 rotate_into_data(r);
             }
         }
@@ -377,17 +385,16 @@ void OImageScrollView::generateImage()
         } else {
             rotate_into_data(r);
         }
         m_last_rot = r;
         resizeContents(_image_data.width(),_image_data.height());
     }
     _pdata.convertFromImage(_image_data);
 
-
     /*
      * update the zoomer
      */
     check_zoomer();
     emit imageSizeChanged( _image_data.size() );
     rescaleImage( 128, 128 );
     /*
      * move scrollbar
@@ -470,37 +477,22 @@ void OImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clip
         p->fillRect(clipx,clipy,clipw,cliph,white);
     }
     p->drawPixmap(clipx,clipy,_pdata,x,y,w,h);
 }
 
 /* using the real geometry points and not the translated points is wanted! */
 void OImageScrollView::viewportMouseMoveEvent(QMouseEvent* e)
 {
-    odebug << "Move X and Y " << e->x() << " " << e->y() << oendl;
     int mx, my;
     mx = e->x();
     my = e->y();
     if (_mouseStartPosX!=-1 && _mouseStartPosY!=-1) {
         int diffx = _mouseStartPosX-mx;
         int diffy = _mouseStartPosY-my;
-#if 0
-        QScrollBar*xbar = horizontalScrollBar();
-        QScrollBar*ybar = verticalScrollBar();
-        if (xbar->value()+diffx>xbar->maxValue()) {
-            diffx = xbar->maxValue()-xbar->value();
-        } else if (xbar->value()+diffx<0) {
-            diffx=0-xbar->value();
-        }
-        if (ybar->value()+diffy>ybar->maxValue()) {
-            diffy = ybar->maxValue()-ybar->value();
-        } else if (ybar->value()+diffy<0) {
-            diffy=0-ybar->value();
-        }
-#endif
         scrollBy(diffx,diffy);
     }
     _mouseStartPosX=mx;
     _mouseStartPosY=my;
 }
 
 void OImageScrollView::contentsMousePressEvent ( QMouseEvent * e)
 {