Canvas ellipse precision
Categories
(Core :: Graphics: Canvas2D, enhancement)
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(Reporter: arnaud, Unassigned)
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(1 file)
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930 bytes,
text/html
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User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:103.0) Gecko/20100101 Firefox/103.0
Steps to reproduce:
Using HTML's canvas element, I'm trying to draw an ellipse with a large radius and a circle whose center should be on the ellipse.
The attached code is an example of what I'm trying to accomplish.
This code works on chrome.
Actual results:
The circle center is not on the ellipse because the ellipse is not drawn accurately.
Expected results:
The circle should land on the ellipse, as it does on chrome.
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Comment 1•2 years ago
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The Bugbug bot thinks this bug should belong to the 'Core::Graphics: Canvas2D' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.
Extra details: The imprecision seems to be between 1e-5 to 5e-4, which is huge compared to the precision of a float.
Description
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