On Jul 10, 2008, at 5:47 AM, Graham Cox wrote:
I've noticed that when generating PDF data from a view with -
dataWithPDFInsideRect:, transparent flat colours work OK, but
gradients (CGShading) that have some colours that are not 100%
opaque are not recorded correctly (the alpha is ignored and the
colours are always 100% opaque).
Is this a known issue?
I think it would help of you filed a bug about this, I'm not certain
if there is one already filed. If your shading uses a constant alpha
value, I think you can work around this by using CGContextSetAlpha()
to draw the shading with the target alpha (and making the shading
itself opaque).
--
David Duncan
Apple DTS Animation and Printing
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