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render: Allow single-stop gradients 

The Render specification allows single-stop gradients and pixman 0.22
(X server requires >= 0.27.2 now) can rasterize them correctly.

[ajax: update commit message]

Signed-off-by: Andrea Canciani <ranma42@gmail.com>
Reviewed-by: Soren Sandmann <ssp@redhat.com>
This commit is contained in:
Andrea Canciani 2011-07-27 10:52:31 +02:00 committed by Adam Jackson
parent 3d9f578e6f
commit 7ed0c3912e
1 changed files with 3 additions and 3 deletions
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6
render/picture.c
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@ -902,7 +902,7 @@ CreateLinearGradientPicture(Picture pid, xPointFixed * p1, xPointFixed * p2,
{
PicturePtr pPicture;
if (nStops < 2) {
if (nStops < 1) {
*error = BadValue;
return 0;
}
@ -942,7 +942,7 @@ CreateRadialGradientPicture(Picture pid, xPointFixed * inner,
PicturePtr pPicture;
PictRadialGradient *radial;
if (nStops < 2) {
if (nStops < 1) {
*error = BadValue;
return 0;
}
@ -985,7 +985,7 @@ CreateConicalGradientPicture(Picture pid, xPointFixed * center, xFixed angle,
{
PicturePtr pPicture;
if (nStops < 2) {
if (nStops < 1) {
*error = BadValue;
return 0;
}