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Match -xlib's behavior wrt pre-multiplied images in DPSimage:...'s common case.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@14480 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Alexander Malmberg 2002-09-17 22:37:28 +00:00
parent 8340a66c75
commit de72985141
2 changed files with 11 additions and 6 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2002-09-18 00:36 Alexander Malmberg <alexander@malmberg.org>
* Source/art/image.m (-DPSimage:::::::::::): Treat input as
pre-multiplied in the common case to (really) match xlib/.
2002-09-16 16:43 Alexander Malmberg <alexander@malmberg.org>
* Source/art/ftfont.m (add_face): Change default rendering hints.

12
Source/art/image.m
View file

@ -582,12 +582,12 @@ seem to cause edges to be off by a pixel
{
ri.a = src[3];
/* TODO: find out if input is premultiplied or not */
/* if (ri.a && ri.a != 255)
{
ri.r = (255 * ri.r) / ri.a;
ri.g = (255 * ri.g) / ri.a;
ri.b = (255 * ri.b) / ri.a;
}*/
if (ri.a && ri.a != 255)
{
ri.r = (255 * ri.r) / ri.a;
ri.g = (255 * ri.g) / ri.a;
ri.b = (255 * ri.b) / ri.a;
}
if (alpha_dest)
{
if (src[3] == 255)