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If you prefer python you should probably use numpy (or scipy) package, with PIL as loader. Basically for the speedup that you get from its matrix manipulation tool set gets you doing anything quite quickly (see here). Or if you want to do it in real time use OpenCV instead. With your additions it seems clear that your not looking at all into a software with ...


You have specified the expected print resolution as 300 ppi, which is what determines the quality of your printed image. Consider that you can place the image on a portable storage device and provide it to a printing service with the above specification. Without seeing the image, you and the service will have the same expectations of resolution. The ...


You can switch off anti-aliasing when you export as PNG. Here's an example

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