Bug 22823 – REGRESSION (TOT): Canvas is broken in high dpi mode

• Component: DOM
• Status: RESOLVED FIXED

[Oliver Hunt]

<rdar://problem/6432739>

I was working on another canvas issue and I realised the somewhere in the canvas refactorings of the past few months canvas lost the code that correctly scaled to handle high dpi display modes

* STEPS TO REPRODUCE
1. Use Quartz Debug to change the display scale to 2x
2. Launch Safari (ToT) -- Safari must be launched *after* step 1
3. Go to http://nerget.com/tests/canvas-high-dpi.html

[Oliver Hunt]

Created attachment 25979 [details]
Fix initial context scale

Patcheration

[Alexey Proskuryakov]

Comment on attachment 25979 [details]
Fix initial context scale

+    m_imageBuffer->context()->scale(FloatSize(size.width()/unscaledSize.width(), size.height()/unscaledSize.height()));

Please add spaces around '/'.

+        transform.scale(size.width()/unscaledSize.width(), size.height()/unscaledSize.height());

Ditto.

r=me

[Oliver Hunt]

Committing to http://svn.webkit.org/repository/webkit/trunk ...
	M	WebCore/ChangeLog
	M	WebCore/html/HTMLCanvasElement.cpp
Committed r39240