Open Bug 958931 Opened 12 years ago Updated 3 years ago

Direct2D up-scaled fonts render poorly

Categories

(Core :: Graphics: Text, defect)

24 Branch
x86_64
Windows 7
defect

Tracking

()

UNCONFIRMED

People

(Reporter: mark, Unassigned)

Details

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(1 file)

Attached image font-d2d-firefox.png
User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Firefox/24.0 (Beta/Release) Build ID: 20131205180928 Steps to reproduce: Using trebuchet MS (the default font for phpBB), rendering several font sizes of the same text in a D2D accelerated Firefox. Actual results: Several letters, especially those with 45 degree angles (for example the 'w'), are scaled very poorly in the 120-125% range, making them hard to read and ugly. See attached screenshot. The same thing happens when using page zoom to enlarge text, and/or when using the (common) "medium" sized font setting on HiDPI screens. Expected results: Font rendering should be sharp and readable at all sizes.
Severity: normal → S3
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