reduced the need of image calculations

1 files changed, 5 insertions, 4 deletions

diff --git a/libopie2/opiemm/oimagescrollview.cpp b/libopie2/opiemm/oimagescrollview.cpp
index 3f2699a..72248c1 100644
--- a/libopie2/opiemm/oimagescrollview.cpp
+++ b/libopie2/opiemm/oimagescrollview.cpp
@@ -33,57 +33,57 @@ OImageScrollView::OImageScrollView( QWidget* parent, const char* name,  WFlags f
     m_states[SHOW_ZOOMER]=true;
     init();
 }
 
 OImageScrollView::OImageScrollView (const QImage&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit)
     :QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(img),
      m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("")
 {
     _zoomer = 0;
     m_states[AUTO_SCALE]=always_scale;
     m_states[AUTO_ROTATE]=rfit;
     m_states[FIRST_RESIZE_DONE]=false;
     m_states[IMAGE_IS_JPEG]=false;
     m_states[IMAGE_SCALED_LOADED]=false;
     m_states[SHOW_ZOOMER]=true;
     _original_data.convertDepth(QPixmap::defaultDepth());
-    //_original_data.setAlphaBuffer(false);
+    _original_data.setAlphaBuffer(false);
     init();
 }
 
 OImageScrollView::OImageScrollView (const QString&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit)
     :QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(),m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("")
 {
     _zoomer = 0;
     m_states.resize(SCROLLVIEW_BITSET_SIZE);
     m_states[AUTO_SCALE]=always_scale;
     m_states[AUTO_ROTATE]=rfit;
     m_states[FIRST_RESIZE_DONE]=false;
     m_states[IMAGE_IS_JPEG]=false;
     m_states[IMAGE_SCALED_LOADED]=false;
     m_states[SHOW_ZOOMER]=true;
     init();
     setImage(img);
 }
 
 void OImageScrollView::setImage(const QImage&img)
 {
     _image_data = QImage();
     _original_data=img;
     _original_data.convertDepth(QPixmap::defaultDepth());
-    //_original_data.setAlphaBuffer(false);
+    _original_data.setAlphaBuffer(false);
     m_lastName = "";
     setImageIsJpeg(false);
     setImageScaledLoaded(false);
     if (FirstResizeDone()) {
         generateImage();
     }
 }
 
 void OImageScrollView::loadJpeg(bool interncall)
 {
     if (m_lastName.isEmpty()) return;
     QImageIO iio( m_lastName, 0l );
     QString param;
     bool real_load = false;
     if (AutoScale()) {
         if (!interncall) {
@@ -114,33 +114,33 @@ 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 {
         setImageIsJpeg(false);
         _original_data.load(path);
         _original_data.convertDepth(QPixmap::defaultDepth());
-        //_original_data.setAlphaBuffer(false);
+        _original_data.setAlphaBuffer(false);
     }
     _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;
 
     /*
      * create the zoomer
      * and connect ther various signals
@@ -388,34 +388,35 @@ void OImageScrollView::generateImage()
      if (_zoomer) {
         _zoomer->setGeometry( viewport()->width()-_image_data.width()/2, viewport()->height()-_image_data.height()/2,
              _image_data.width()/2, _image_data.height()/2 );
         _zoomer->setImage( _image_data );
      }
     /*
      * invalidate
      */
     _image_data=QImage();
     if (isVisible()) {
         updateContents(contentsX(),contentsY(),width(),height());
     }
 }
 
 void OImageScrollView::resizeEvent(QResizeEvent * e)
 {
-    odebug << "OImageScrollView resizeEvent" << oendl;
+    odebug << "OImageScrollView resizeEvent (" << e->size() << " - " << e->oldSize() << oendl;
     QScrollView::resizeEvent(e);
+    if (e->oldSize()==e->size()||!isUpdatesEnabled ()) return;
     generateImage();
     setFirstResizeDone(true);
     emit viewportSizeChanged( viewport()->size() );
 
 }
 
 void OImageScrollView::keyPressEvent(QKeyEvent * e)
 {
     if (!e) return;
     int dx = horizontalScrollBar()->lineStep();
     int dy = verticalScrollBar()->lineStep();
     if (e->key()==Qt::Key_Right) {
         scrollBy(dx,0);
         e->accept();
     } else if (e->key()==Qt::Key_Left) {
         scrollBy(0-dx,0);