pxtobrx
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mobile safari: large canvases don't render
on mobile safari, the max width/height of a canvas is 4,096. For large mosaics, they don't render.
The real solution is to stop using canvas for the piece map, something I want to do anyway.
the 4096 limitations is not true on iPhone 6. It looks like the limitation is based on how much memory the device has. Regardless, switching to div based piece map is the way to go.