Re: [Plplot-devel] color alpha? Was Re: First pngcairo results for my FreeEOS research

2007-09-06 Thread Alan W. Irwin
On 2007-09-05 23:14-0500 Maurice LeBrun wrote: [...]I would prefer that if we were to support translucency in the core, every color have a translucency attribute (defaulting to none, i.e. the way it is now). Of course we'd need a bunch of new API calls for setting color values, maybe take

Re: [Plplot-devel] color alpha? Was Re: First pngcairo results for my FreeEOS research

2007-09-05 Thread Maurice LeBrun
Hazen Babcock writes: This reminds me that many graphics drivers these days support a color alpha (or translucency value) as well the standard red, green and blue. Any thoughts on extending PLplot to support this? It could be as simple as adding a alpha value to the PLStream data