- From: Garrett Smith <dhtmlkitchen@gmail.com>
- Date: Wed, 10 May 2006 15:13:47 -0700
- To: www-style@w3.org
background-opacity would be useful. That way, you could have partial opacity for just a background-color. Garrett On 5/9/06, David Woolley <david@djwhome.demon.co.uk> wrote: > > > > > What does "linear encoding for the mask" mean here? > > After pre-converting the actual image to gamma 1.0, you multiply by the > values in the mask without doing any additional linearisation. (You > then post convert the image to sRGB gamma.) > > More precisely, you first normalise the mask and multiply the foregroound > by the mask value and the background by 1 - the mask value. > > If your mask was in sRGB, but with zero chrominance, you would have to > cancel the sRGB gamma on both the mask and the image before combining. > > -- http://dhtmlkitchen.com/
Received on Wednesday, 10 May 2006 22:14:06 UTC