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How do I set colours/transparency in a one bit bitmap?


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Those sound, to me, more like Photo functions than Publisher functions, and I would expect that the workflow would be to Place a file into your Publisher document, then if you need to change its appearance you would switch to the Photo Persona (when enabled, and assuming you own Photo) to make the changes, then switch back to the Publisher Persona.

However, even Photo does not support 1-bit bitmap files today. You can work with grayscale files that have only two colors (black/white, for example, or black/transparent) and then you can change the foreground/background to whatever you want. But it doesn't support bitmapped files at this point.

-- Walt
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2 hours ago, walt.farrell said:

Those sound, to me, more like Photo functions than Publisher functions

Not really, but as Affinity does not support 1-bit graphics, then maybe yes. Though you can get similar result by playing with blend modes and masking in Publisher:

1808447085_Screenshot2018-09-0318_24_40.jpg.86c860a293a987198087dd3c13048b3d.jpg

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This is a pretty basic fuctionality that IMO needs to be implemented. Think about doing a two pantone leaflet, with a bitmap image. You can fill the foreground/background of the bitmap accordingly and print it with two pantones. Doing it via blend modes is impossibile, because wrong color values will be created. Bitmaps are very common in contemporary print graphic design.

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