i have a Qt application that uses imagemagick to edit the image. it works but the processing is very slow. i first display the image using QLabel (QImage and QPixmap), then get the filename to create a Magick::Image, convert to Magick::Blob, edit it, and converting it back to QPixmap and display in the label.
the problem is its slow. for example if i were to apply a blur effect to 1024x768 image it takes about 5 seconds to complete. this is very slow. the same goes for flipping or rotating images. zooming images as well. i really want to speed up this application. i am mighty interested for optimization advices. thanks!
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