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Showing results for tags 'alpha'.
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Hi All! I too am making the leap from Adobe to Affinity. I use Photo from an illustration perspective, working with scanned-in drawings, removing the white backgrounds, and then going crazy cutting things out, resizing, arranging, coloring, etc. It's been great so far, just getting used to where things are in Affinity Photo. My question here is: I see how one can paint an alpha channel only (equivalent to locking pixels on a layer in PS), but how do you bulk fill an alpha channel (i.e. locked pixels) on a layer? In PS, you can select the layer (with locked pixels), choose a color, and either select "fill"from the drop-down menu, or "option/command-delete". Does anyone know the equivalent in Affinity Photo? I hope that makes sense! Thanks in advance! -
Hi, would it be possible to integrate pngquant (https://pngquant.org) for exporting PNG files? It allows to create 8 bit, indexed PNGs but with full 8 bit alpha channel. Files are thus very small but still retain full transparency and great quality (in most cases) through indexing and dithering.
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I'm not sure why this is so poorly supported across design apps - even Photoshop (at least on the versions I own) doesn't have it and the only straightforward game in town seems to be Fireworks. These days, most of my exported files for web site themes are 8 Bit PNG with alpha transparency. it just makes sense. And it's quite a wrench to the workflow to have to jump out of AD just to make these conversions and manual optimisations in another app. There is quite an efficiency hot as it's not just a matter of running a conversion script, each file has to be individually reoptimized from 24 bit with transparency down to 8 bit, selecting the colours etc Please could this one be a priority? T -
I have this B/W (greyscale) image that I would like to blend on different backgrounds, i.e. I want the grey's converted to levels of transparency. I have no experience from other software either, so any PS reference won't help me :-) Thanks, Fredrik -
I have a black logo on a white backbround as a JPG image. I would like to make all the White transparent (alpha channel), so that I can save it as a Black Logo on a Transparent background PNG. What is the cleanest/ most accurate way to do this, please? Using a bitmap image as a mask is ideally what I need (copy the inverted greyscale image into the alpha channel to get the transparency) any help is really appreciated. I have Affinity Designer & Photo beta.
