add preserveAspectRatio parameter to Affine2D.rect_to_rect method #202
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rsheeter
reviewed
Apr 8, 2021
| sx = dst.w / src.w | ||
| sy = dst.h / src.h | ||
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| align, _, meetOrSlice = preserveAspectRatio.lower().strip().partition(" ") |
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Fascinating, never come across partition before
rsheeter
approved these changes
Apr 8, 2021
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Required for supporting #195
follows algorithm described at https://www.w3.org/TR/SVG/coords.html#ComputingAViewportsTransform