2a4ebbf19d
* Fix half-pixel offsets in scaling renderer - This bug was very subtle. It can be hard to notice! - Context: When the scaling renderer transformation matrix is created, it needs to center the image within the border. - The previous code always evaluated the translation to (0, 0) - This PR makes half-pixel adjustments to the translation when needed, making it impossible to rasterize the texture on a half-pixel boundary. - I spotted this while working on pixel-aspect-ratio support, but it can most easily be witnessed in the `conway` example by grabbing the top or bottom resize handle on the window and slow dragging it up and down by 1-pixel-at-a-time. When you hit a half-pixel bug the entire texture will change slightly; some pixels will become hidden or duplicated. * Bump MSRV |
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