Brendan Dahl a52c0c6988 Fix transformations when painting image masks and tiling patterns. ...

Previously, when we filled image masks we didn't copy over the current transformation,
this caused patterns to be misaligned when painted. Now we create a temporary
canvas with the mask and have the transform copied over and offset it relative to
where the mask would be painted. We also weren't properly offsetting tiling patterns.
This isn't usually noticeable since patters repeat, but in the case of #13561 the pattern
is only drawn once and has to be in the correct position to line up with the mask image.

These fixes broke #11473, but highlighted that we were drawing that correctly by
accident and not correctly handling negative bounding boxes on tiling patterns.

Fixes #6297,  #13561, #13441

Partially fixes #1344 (still blurry but boxes are in correct position now)

2021-07-06 17:29:32 -07:00

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