Tools for processing photos
Tools for processing photos.
sudo apt install libc6-dev libgdiplusbrew install mono-libgdiplus
sudo ln -s /opt/homebrew/opt/mono-libgdiplus/lib/libgdiplus.dylib /usr/local/lib/ might also be neededdotnet build -c releasedotnet test -c release
Edges of the image (top,right,bottom,left 1px) are currently ignored. Would be better to e.g. duplicate pixels.
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... that does not rely on Graphics
Vignette filter is currently just black, but an arbitrary color could easily be given
... that doesn't use Graphics.
When both arguments point to the same Bitmap object in PerPixelBlendBase, an exception is thrown (System.InvalidOperationException : Bitmap region is already locked.) because we try to lock the same Bitmap twice. An easy fix would be to detect this and do a clone.
... that does not rely on Graphics
Currently there are no separate unit tests for blend modes, they are only indirectly tested through filters that use them.
That does not rely on Graphics
For resize and also rotate
Validation, -- flags, ...
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Implement a custom rotation instead of relying on Graphics.
Create a downscale-only resize that averages pixels to get the new one.
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Support jpg, bmp, png, gif, etc..
... that doesn't use Graphics.
It would be nice to automatically generate some documentation with the available filters, their parameters and some examples.
... that doesn't use Graphics.
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Implement a custom resize instead of relying on Graphics.
Filters (such as resize, border, crop, ...) would need a type, which can express parameters both relative (%) and absolute (px).
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