Title: [180520] trunk/Source/WebCore
- Revision
- 180520
- Author
- [email protected]
- Date
- 2015-02-23 14:42:15 -0800 (Mon, 23 Feb 2015)
Log Message
[iOS] Max canvas size is lower than expected
https://bugs.webkit.org/show_bug.cgi?id=141886
<rdar://problem/19729246>
Reviewed by Tim Horton.
Use the same maximum canvas area for all ports,
which bumps the iOS limit up from 4580 * 1145
to 16k * 16k.
* html/HTMLCanvasElement.cpp: Update MaxCanvasArea.
Modified Paths
Diff
Modified: trunk/Source/WebCore/ChangeLog (180519 => 180520)
--- trunk/Source/WebCore/ChangeLog 2015-02-23 22:29:37 UTC (rev 180519)
+++ trunk/Source/WebCore/ChangeLog 2015-02-23 22:42:15 UTC (rev 180520)
@@ -1,3 +1,17 @@
+2015-02-22 Dean Jackson <[email protected]>
+
+ [iOS] Max canvas size is lower than expected
+ https://bugs.webkit.org/show_bug.cgi?id=141886
+ <rdar://problem/19729246>
+
+ Reviewed by Tim Horton.
+
+ Use the same maximum canvas area for all ports,
+ which bumps the iOS limit up from 4580 * 1145
+ to 16k * 16k.
+
+ * html/HTMLCanvasElement.cpp: Update MaxCanvasArea.
+
2015-02-23 Chris Dumez <[email protected]>
Add support for diagnostic logging messages sampling
Modified: trunk/Source/WebCore/html/HTMLCanvasElement.cpp (180519 => 180520)
--- trunk/Source/WebCore/html/HTMLCanvasElement.cpp 2015-02-23 22:29:37 UTC (rev 180519)
+++ trunk/Source/WebCore/html/HTMLCanvasElement.cpp 2015-02-23 22:42:15 UTC (rev 180520)
@@ -61,18 +61,14 @@
using namespace HTMLNames;
-// These values come from the WhatWG spec.
+// These values come from the WhatWG/W3C HTML spec.
static const int DefaultWidth = 300;
static const int DefaultHeight = 150;
// Firefox limits width/height to 32767 pixels, but slows down dramatically before it
// reaches that limit. We limit by area instead, giving us larger maximum dimensions,
-// in exchange for a smaller maximum canvas size. The maximum canvas size is in CSS pixels.
-#if PLATFORM(IOS)
-static const float MaxCanvasArea = 4580 * 1145; // 20 MB assuming 4 bytes per pixel
-#else
-static const float MaxCanvasArea = 32768 * 8192;
-#endif
+// in exchange for a smaller maximum canvas size. The maximum canvas size is in device pixels.
+static const float MaxCanvasArea = 16384 * 16384;
HTMLCanvasElement::HTMLCanvasElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
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