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Bug 430465. Don't round source coordinates in the tiled-image-drawing path. r=vlad,a=beltzner

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This commit is contained in:
roc+@cs.cmu.edu 2008-04-25 02:40:04 -07:00
parent c6a14440fa
commit 914869aff7
4 changed files with 33 additions and 6 deletions
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6
gfx/src/thebes/nsThebesImage.cpp
View File

@ -771,12 +771,8 @@ nsThebesImage::ThebesDrawTile(gfxContext *thebesContext,
}
gfxMatrix patMat;
gfxPoint p0;
p0.x = - floor(tmpOffset.x + 0.5);
p0.y = - floor(tmpOffset.y + 0.5);
patMat.Scale(scale, scale);
patMat.Translate(p0);
patMat.Translate(-tmpOffset);
gfxPattern pat(surface);
pat.SetExtend(gfxPattern::EXTEND_REPEAT);

16
layout/reftests/bugs/430465-1-ref.html Normal file
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@ -0,0 +1,16 @@
<html>
<head>
<style>
div {
background-position:-100.5px 0;
height:10px;
background-repeat: repeat-y;
background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAB9AAAAAKCAMAAADb5DWMAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAAAJUExURXe77v///+7u7hs01mEAAADMSURBVHjaYmAYBaOAQsAIAkx4AeMoGAUjGhCRP0ZLklFAKQAIoFE0CkYr9FEwCkYr9FEwDABAAI2iUTBaoY+CUTBaoY+CYQAAAmgUjYLRCn0UjILRCn0UDAMAEECjaBSMVuijYBSMVuijYBgAgAAaRaNgtEIfBaNgtEIfBcMAAATQKBoFoxX6KBgFoxX6KBgGACCARtEoGK3QR8EoGK3QR8EwAAABNIpGwWiFPgpGwWiFPgqGAQAIoFE0CkYr9FEwCkYr9FEwDABAgAEAmPQjKS0rod8AAAAASUVORK5CYII=');
}
</style>
</head>
<body>
<div></div>
<div></div>
</body>
</html>

15
layout/reftests/bugs/430465-1.html Normal file
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@ -0,0 +1,15 @@
<html>
<head>
<style>
div {
background-position:-100.5px 0;
height:20px;
background-repeat: repeat-y;
background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAB9AAAAAKCAMAAADb5DWMAAAABGdBTUEAAK/INwWK6QAAABl0RVh0U29mdHdhcmUAQWRvYmUgSW1hZ2VSZWFkeXHJZTwAAAAJUExURXe77v///+7u7hs01mEAAADMSURBVHjaYmAYBaOAQsAIAkx4AeMoGAUjGhCRP0ZLklFAKQAIoFE0CkYr9FEwCkYr9FEwDABAAI2iUTBaoY+CUTBaoY+CYQAAAmgUjYLRCn0UjILRCn0UDAMAEECjaBSMVuijYBSMVuijYBgAgAAaRaNgtEIfBaNgtEIfBcMAAATQKBoFoxX6KBgFoxX6KBgGACCARtEoGK3QR8EoGK3QR8EwAAABNIpGwWiFPgpGwWiFPgqGAQAIoFE0CkYr9FEwCkYr9FEwDABAgAEAmPQjKS0rod8AAAAASUVORK5CYII=');
}
</style>
</head>
<body>
<div></div>
</body>
</html>

2
layout/reftests/bugs/reftest.list
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@ -816,4 +816,4 @@ fails-if(MOZ_WIDGET_TOOLKIT=="gtk2") == 424074-1-ref2.xul 424074-1-ref3.xul
== 428521-1b.html 428521-1-ref.html
== 428521-1c.html 428521-1-ref.html
== 430412-1.html 430412-1-ref.html
== 430465-1.html 430465-1-ref.html== 430465-1.html 430465-1-ref.html== 430465-1.html 430465-1-ref.html== 430465-1.html 430465-1-ref.html