[cairo] API Shakeup: Making set_source consistent, (renaming cairo_set_rgb_color and cairo_set_pattern, eliminating cairo_set_alpha)

[Carl Worth]

On Wed, 13 Apr 2005 15:28:31 -0400, Carl Worth wrote:
> I'll add a test case to cairo/test to capture this and I'll make sure
> it's fixed before committing.

I neglected to mention that I've now added cairo/test/gradient-alpha.c.

On Thu, 14 Apr 2005 16:56:13 -0400, Carl Worth wrote:
> And I'm not really sure how to fix this. The interpolation as
> currently implemented, (which also does agree with the W3C SVG test
> suite), is quite intuitive. It allows gradients such as:

> 	opaque red -> transparent blue
> 
> to have the desired effect.

And I just updated cairo/test/gradient-alpha.c to change color in
addition to changing alpha in order to demonstrate this problem.

-Carl
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