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image processing 1000 times slower if image in portrait orientation, Issue 2783

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2015-05-18 21:39:12 +02:00
parent badeb48a78
commit e407f6e79a
1 changed files with 2 additions and 2 deletions
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4
rtgui/previewhandler.cc
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@@ -206,8 +206,8 @@ Glib::RefPtr<Gdk::Pixbuf> PreviewHandler::getRoughImage (int desiredW, int desir
Glib::RefPtr<Gdk::Pixbuf> resPixbuf;
if (previewImg) {
double zoom1 = (double)desiredW / previewImg->get_width();
double zoom2 = (double)desiredH / previewImg->get_height();
double zoom1 = (double)max(desiredW,20) / previewImg->get_width(); // too small values lead to extremely increased processing time in scale function, Issue 2783
double zoom2 = (double)max(desiredH,20) / previewImg->get_height(); // ""
double zoom = zoom1<zoom2 ? zoom1 : zoom2;
resPixbuf = Gdk::Pixbuf::create (Gdk::COLORSPACE_RGB, false, 8, image->getWidth()*zoom, image->getHeight()*zoom);