Flash :: Trim Whitespace Around A Transparent PNG
Oct 22, 2010
I've managed to get myself stuck in a situation where a database full of images ( transparent images of various products ) needs to be placed on the stage, all of which need to be aligned the same by the products height. My problem is that the png's of products are 'floating' and I have no control of where about's in the png it will sit ( could be tight at the top and loads of room at the bottom, vice versa)
Does anyone know an existing way to find out the png's 'true' height ( width is an extra ). I've thought about looping through the bitmap data and checking but wondered if anyone has invented this wheel already?
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Nov 16, 2011
I have a Flash fla file that contains a whole lot of images. The majority of each image is composed of transparent pixels with a visual object in there somewhere. Each image at the moment is at {x:0, y:0}.I want to trim away the transparent pixels of the image down to a minimum bounding box, but keep the object at the same global position. This requires shifting the trimmed image to the global position of the object in the untrimmed image.This is not so much a problem, but the fact that the images are all contained in a fla is the problem. The options I see at the moment are:
investigate JSFL, the Bitmap object has a getPixels, this in combination with a selection and delete operation could work save the fla to xfl and enumerate the images and associated xml with something like Ruby + image processing lib
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Mar 25, 2010
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