Tools for processing photos
Hi there 👋 I'm Ákos, software engineer at @Facebook, working on static/dynamic program analysis for WhatsApp server and client code.. I did my PhD at @ftsrg in formal methods 🧑🎓 Formerly I interned at @SRI-CSL and @CERN 🌎. In my free time I skate 🛹 and take photos 📷. Check out my projects below or my homepage.
Implement a custom rotation instead of relying on Graphics.
... that doesn't use Graphics.
... that does not rely on Graphics
Edges of the image (top,right,bottom,left 1px) are currently ignored. Would be better to e.g. duplicate pixels.
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2 4 8 4 2
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For resize and also rotate
Vignette filter is currently just black, but an arbitrary color could easily be given
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1 1 2 .
Support jpg, bmp, png, gif, etc..
Validation, -- flags, ...
It would be nice to automatically generate some documentation with the available filters, their parameters and some examples.
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 doesn't use Graphics.
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1 3 5 .
... that doesn't use Graphics.
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1 2 4 2 1
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1 1 1 .
. 1 . .
Filters (such as resize, border, crop, ...) would need a type, which can express parameters both relative (%) and absolute (px).
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
Implement a custom resize instead of relying on Graphics.
... that does not rely on Graphics
Create a downscale-only resize that averages pixels to get the new one.
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