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Replace NSCompositeHighlight with GSCompositeHighlight and map NSCompositeHighlight onto

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NSCompositeSourceOver.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@34773 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Fred Kiefer 2012-02-18 21:10:07 +00:00
parent 1f64ded0ca
commit 234ac0932b
6 changed files with 43 additions and 11 deletions
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20
Source/cairo/CairoGState.m
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@ -1188,12 +1188,22 @@ _set_op(cairo_t *ct, NSCompositingOperation op)
device_color_t c;
cairo_save(_ct);
_set_op(_ct, op);
c = fillColor;
gsColorToRGB(&c);
// The underlying concept does not allow to determine if alpha is set or not.
cairo_set_source_rgba(_ct, c.field[0], c.field[1], c.field[2], c.field[AINDEX]);
if (GSCompositeHighlight == op)
{
cairo_set_operator(_ct, CAIRO_OPERATOR_DIFFERENCE);
cairo_set_source_rgb(_ct, 1, 1, 1);
}
else
{
_set_op(_ct, op);
c = fillColor;
gsColorToRGB(&c);
// The underlying concept does not allow to determine if alpha is set or not.
cairo_set_source_rgba(_ct, c.field[0], c.field[1], c.field[2], c.field[AINDEX]);
}
// This is almost a rectclip::::, but the path stays unchanged.
path = [NSBezierPath bezierPathWithRect: aRect];
[path transformUsingAffineTransform: ctm];