vcl/quartz/salgdiutils.cxx | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
New commits:
commit bcc7086ebf447449489edef2adc3b158a0198cff
Author: Herbert Dürr <h...@apache.org>
Date: Mon Jun 2 11:54:15 2014 +0000
#i125020# allow antialiasing on all update borders for Aqua graphics
(cherry picked from commit 513225be9cbadee6d8f7fd4e9910e10fc5ff571b)
diff --git a/vcl/quartz/salgdiutils.cxx b/vcl/quartz/salgdiutils.cxx
index 639398f..704fef5 100644
--- a/vcl/quartz/salgdiutils.cxx
+++ b/vcl/quartz/salgdiutils.cxx
@@ -182,10 +182,13 @@ void AquaSalGraphics::RefreshRect(float lX, float lY,
float lWidth, float lHeigh
{
// update a little more around the designated rectangle
// this helps with antialiased rendering
+ // Rounding down x and width can accumulate a rounding error of up to 2
+ // The decrementing of x, the rounding error and the antialiasing
border
+ // require that the width and the height need to be increased by four
const Rectangle aVclRect(Point(static_cast<long int>(lX-1),
static_cast<long int>(lY-1) ),
- Size( static_cast<long int>(lWidth+3),
- static_cast<long int>(lHeight+3) ) );
+ Size( static_cast<long int>(lWidth+4),
+ static_cast<long int>(lHeight+4) ) );
mpFrame->maInvalidRect.Union( aVclRect );
}
}
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