I installed IrfanView because I was having trouble creating PNG files with a transparent colour (suitable for use with Internet Explorer v6) with my current graphics editor (MS Image Composer). I found that if I copied an image from Image Composer and pasted it into IrfanView it appeared with a white background (the transparent area). I could then save the image as a PNG from IrfanView and it worked as expected.
However...
If I open the original image file in IrfanView directly, it behaves differently. Instead of the white background that I got when pasting from Image Composer, the transparent areas show as black. If I then save that image, it doesn't show as transparent in IE6.
I have several files that I want to convert this way, and I'd really prefer not to go via Image Composer for each one. Presumably there's a property of the files that's being set (or lost) during copy/paste but not during file load. Can some kind soul tell me what I'd need to do to be able to change the image loaded from file so that it behaves as it does when pasting?
However...
If I open the original image file in IrfanView directly, it behaves differently. Instead of the white background that I got when pasting from Image Composer, the transparent areas show as black. If I then save that image, it doesn't show as transparent in IE6.
I have several files that I want to convert this way, and I'd really prefer not to go via Image Composer for each one. Presumably there's a property of the files that's being set (or lost) during copy/paste but not during file load. Can some kind soul tell me what I'd need to do to be able to change the image loaded from file so that it behaves as it does when pasting?
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