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Bug 1740304: Apply the print fragmentation-fallback "additional offset" in one case where it was being missed. r=miko 

We call MaybeApplyAdditionalOffset a few lines up when setting *aOffset, but it
looks like we missed this particular codepath.  This was causing content to
render properly during print-preview (which takes the upper codepath) but not
during actual printing (which takes the lower codepath, the one where I'm
adding the new call).

Differential Revision: https://phabricator.services.mozilla.com/D137199
This commit is contained in:
Daniel Holbert 2022-01-29 00:50:17 +00:00
Родитель 5158f364d5
Коммит 93a7663777
7 изменённых файлов: 88 добавлений и 2 удалений
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1
layout/painting/nsDisplayList.cpp
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@ -1552,6 +1552,7 @@ const nsIFrame* nsDisplayListBuilder::FindReferenceFrameFor(
if (aOffset) {
*aOffset = aFrame->GetOffsetToCrossDoc(mReferenceFrame);
MaybeApplyAdditionalOffset();
}
return mReferenceFrame;

5
testing/web-platform/meta/css/css-break/block-002-wm-vlr-print.html.ini Normal file
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@ -0,0 +1,5 @@
[block-002-wm-vlr-print.html]
fuzzy:
if (os == "mac"): maxDifference=0-74;totalPixels=0-383
if (os != "mac"): maxDifference=0-74;totalPixels=0-388
bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1752639

4
testing/web-platform/meta/css/css-break/block-002-wm-vrl-print.html.ini Normal file
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@ -0,0 +1,4 @@
[block-002-wm-vrl-print.html]
fuzzy:
if (os != "mac"): maxDifference=0-74;totalPixels=0-302
bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1752639

4
testing/web-platform/meta/svg/painting/reftests/mask-print.svg.ini
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@ -1,3 +1,3 @@
[mask-print.svg]
expected:
if (os == "mac") and not debug: [FAIL, PASS]
expected: FAIL
bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1752627

33
testing/web-platform/tests/css/printing/fragmented-inline-block-001-print.html Normal file
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@ -0,0 +1,33 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>test that inline-blocks are fragmented in print output</title>
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1740304">
<meta name="reftest-pages" content="10">
<link rel="mismatch" href="/css/reference/blank.html">
<style>
.inline-block {
display: inline-block;
}
li { height: 1in; }
</style>
</head>
<body>
<!-- This test is expecting there to be content on page 10, as a
regression-test for a bug where each page was progressively
more-clipped, which caused later pages (e.g. page 10) to be fully-blank.
In this testcase, we have 40 1-inch-tall numbered list-items, which
collectively are 40 inches tall. This is tall enough to ensure that
we'll have at least 10 pages, given that our pages are each 3 inches
tall. -->
<div class="inline-block">
<ol>
<li><li><li><li><li><li><li><li><li><li>
<li><li><li><li><li><li><li><li><li><li>
<li><li><li><li><li><li><li><li><li><li>
<li><li><li><li><li><li><li><li><li><li>
</ol>
</div>
</body>
</html>

18
testing/web-platform/tests/css/printing/fragmented-inline-block-002-print-ref.html Normal file
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@ -0,0 +1,18 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Reference Case</title>
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1740304">
<style>
.tall {
height: 10in;
width: 1in;
border: 0.5in solid black;
}
</style>
</head>
<body>
<div class="tall"></div>
</body>
</html>

25
testing/web-platform/tests/css/printing/fragmented-inline-block-002-print.html Normal file
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@ -0,0 +1,25 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>test that inline-blocks are fragmented in print output</title>
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1740304">
<link rel="match" href="fragmented-inline-block-002-print-ref.html">
<style>
.tall {
/* The reference case has a block; we have an inline-block.
Given that there's no other content on our line, we can expect our
inline-block to end up rendering and fragmenting like the
reference case's block. */
display: inline-block;
height: 10in;
width: 1in;
border: 0.5in solid black;
}
</style>
</head>
<body>
<div class="tall"></div>
</body>
</html>