GitLab

And implement it in Qt port. 
https://bugs.webkit.org/show_bug.cgi?id=37304

Patch by Leo Yang <leo.yang@torchmobile.com.cn> on 2010-05-31
Reviewed by George Staikos.

WebCore: 

Tests: platform/qt/fast/canvas/toDataURL-jpeg-alpha.html
       platform/qt/fast/canvas/toDataURL-jpeg-primarycolors.html
       platform/qt/fast/canvas/toDataURL-jpeg-quality-basic.html
       platform/qt/fast/canvas/toDataURL-jpeg-quality-notnumber.html
       platform/qt/fast/canvas/toDataURL-jpeg-quality-outsiderange.html

* bindings/js/JSHTMLCanvasElementCustom.cpp:
(WebCore::JSHTMLCanvasElement::toDataURL):
* bindings/v8/custom/V8HTMLCanvasElementCustom.cpp:
(WebCore::V8HTMLCanvasElement::toDataURLCallback):
* dom/CanvasSurface.cpp:
(WebCore::CanvasSurface::toDataURL):
* dom/CanvasSurface.h:
(WebCore::CanvasSurface::toDataURL):
* html/HTMLCanvasElement.idl:
* platform/graphics/ImageBuffer.h:
* platform/graphics/cairo/ImageBufferCairo.cpp:
(WebCore::ImageBuffer::toDataURL):
* platform/graphics/cg/ImageBufferCG.cpp:
(WebCore::ImageBuffer::toDataURL):
* platform/graphics/haiku/ImageBufferHaiku.cpp:
(WebCore::ImageBuffer::toDataURL):
* platform/graphics/qt/ImageBufferQt.cpp:
(WebCore::ImageBuffer::toDataURL):
* platform/graphics/skia/ImageBufferSkia.cpp:
(WebCore::ImageBuffer::toDataURL):
* platform/graphics/wince/ImageBufferWince.cpp:
(WebCore::ImageBuffer::toDataURL):
* platform/graphics/wx/ImageBufferWx.cpp:
(WebCore::ImageBuffer::toDataURL):

LayoutTests: 

* platform/qt/fast/canvas/toDataURL-jpeg-alpha-expected.txt: Added.
* platform/qt/fast/canvas/toDataURL-jpeg-alpha.html: Added.
* platform/qt/fast/canvas/toDataURL-jpeg-primarycolors-expected.txt: Added.
* platform/qt/fast/canvas/toDataURL-jpeg-primarycolors.html: Added.
* platform/qt/fast/canvas/toDataURL-jpeg-quality-basic-expected.txt: Added.
* platform/qt/fast/canvas/toDataURL-jpeg-quality-basic.html: Added.
* platform/qt/fast/canvas/toDataURL-jpeg-quality-notnumber-expected.txt: Added.
* platform/qt/fast/canvas/toDataURL-jpeg-quality-notnumber.html: Added.
* platform/qt/fast/canvas/toDataURL-jpeg-quality-outsiderange-expected.txt: Added.
* platform/qt/fast/canvas/toDataURL-jpeg-quality-outsiderange.html: Added.
* platform/qt/fast/canvas/toDataURL-jpeg.js: Added.



git-svn-id: svn://svn.chromium.org/blink/trunk@60458 bbb929c8-8fbe-4397-9dbb-9b2b20218538