Canvas test: toDataURL parameters (Bug 564388)

From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/canvas/test/test_toDataURL_alpha.html | 206 ++++++++++++++++++++++++++++++ 1 file changed, 206 insertions(+) create mode 100644 dom/canvas/test/test_toDataURL_alpha.html (limited to 'dom/canvas/test/test_toDataURL_alpha.html') diff --git a/dom/canvas/test/test_toDataURL_alpha.html b/dom/canvas/test/test_toDataURL_alpha.html new file mode 100644 index 000000000..b79f02f30 --- /dev/null +++ b/dom/canvas/test/test_toDataURL_alpha.html @@ -0,0 +1,206 @@ + + + +Canvas test: toDataURL parameters (Bug 564388) + + + + +

+For image types that do not support an alpha channel, the image must be +composited onto a solid black background using the source-over operator, +and the resulting image must be the one used to create the data: URL. +

See: + +http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-canvas-todataurl + +

Mozilla + Bug 650720 +

Output:

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +

Type:	image/png	image/jpeg	image/bmp (24 bpp)	image/bmp (32 bpp)
rgba(128, 255, 128, 0.5)
rgba(255, 128, 128, 0.75)
rgba(128, 128, 255, 0.25)
rgba(255, 255, 255, 1.0)
rgba(255, 255, 255, 0)
rgba(0, 0, 0, 1.0)
rgba(0, 0, 0, 0)

+ + + + -- cgit v1.2.3