speed up painting a lot - drawing QImage seems to be a real bad idea.

Painting QPixmap instead.

1 files changed, 19 insertions, 11 deletions

diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
index 98054ff..ad19219 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
@@ -20,2 +20,4 @@ ImageScrollView::ImageScrollView (const QImage&img, QWidget * parent, const char
 {
+    _original_data.convertDepth(QPixmap::defaultDepth());
+    _original_data.setAlphaBuffer(false);
     init();
@@ -35,2 +37,4 @@ void ImageScrollView::setImage(const QImage&img)
     _original_data=img;
+    _original_data.convertDepth(QPixmap::defaultDepth());
+    _original_data.setAlphaBuffer(false);
     m_lastName = "";
@@ -46,2 +50,4 @@ void ImageScrollView::setImage( const QString& path ) {
     _original_data.load(path);
+    _original_data.convertDepth(QPixmap::defaultDepth());
+    _original_data.setAlphaBuffer(false);
     _image_data = QImage();
@@ -246,2 +252,4 @@ void ImageScrollView::generateImage()
     }
+    _pdata.convertFromImage(_image_data);
+    _image_data=QImage();
 }
@@ -287,3 +295,3 @@ void ImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw
 
-    if (!_image_data.size().isValid()) {
+    if (!_pdata.size().isValid()) {
         p->fillRect(clipx,clipy,clipw,cliph,white);
@@ -291,20 +299,20 @@ void ImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw
     }
-    if (w>_image_data.width()) {
-        w=_image_data.width();
+    if (w>_pdata.width()) {
+        w=_pdata.width();
         x = 0;
         erase = true;
-    } else if (x+w>_image_data.width()){
-        x = _image_data.width()-w;
+    } else if (x+w>_pdata.width()){
+        x = _pdata.width()-w;
     }
-    if (h>_image_data.height()) {
-        h=_image_data.height();
+    if (h>_pdata.height()) {
+        h=_pdata.height();
         y = 0;
         erase = true;
-    } else if (y+h>_image_data.height()){
-        y = _image_data.height()-h;
+    } else if (y+h>_pdata.height()){
+        y = _pdata.height()-h;
     }
-    if (erase||_image_data.hasAlphaBuffer()) {
+    if (erase||_original_data.hasAlphaBuffer()) {
         p->fillRect(clipx,clipy,clipw,cliph,white);
     }
-    p->drawImage(clipx,clipy,_image_data,x,y,w,h);
+    p->drawPixmap(clipx,clipy,_pdata,x,y,w,h);
 }