<html>
<head>
<base href="https://bugs.documentfoundation.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - Fallback glyphs are missing and the result text layout mess up"
href="https://bugs.documentfoundation.org/show_bug.cgi?id=142560">142560</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Fallback glyphs are missing and the result text layout mess up
</td>
</tr>
<tr>
<th>Product</th>
<td>LibreOffice
</td>
</tr>
<tr>
<th>Version</th>
<td>7.2.0.0 alpha1+ Master
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>graphics stack
</td>
</tr>
<tr>
<th>Assignee</th>
<td>libreoffice-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>marklh9@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>Description:
If the text contains glyphs that use level 2 fallback layout, the glyphs will
be missing and the text layout will mess up. The attached document contains two
lines. Two lines are identical except their formatting. The lines contain rare
used Chinese characters can be completely displayed with two different fonts,
MingLiU and MingLiU-Extb, as in the second line. The first line is formatted
with DFKAI-SB, so it uses up to two level fallback layout.
The first line can be displayed properly with Impress, which does not use
DrawTextArray of outdev, and can be fixed with [1], which disabled precomputed
cache items for fallback layout.
[1] <a href="https://gerrit.libreoffice.org/c/core/+/116134">https://gerrit.libreoffice.org/c/core/+/116134</a>
Steps to Reproduce:
1.Open the attached file on Windows.
Actual Results:
The first line of the document can not be displayed properly.
Expected Results:
The first line of the document can be displayed properly.
Reproducible: Always
User Profile Reset: No
Additional Info:
Version: 7.2.0.0.alpha1+ (x64) / LibreOffice Community
Build ID: 14e52313e4d350d9960cdd972e87b7f206ee4e2d
CPU threads: 16; OS: Windows 10.0 Build 19042; UI render: Skia/Raster; VCL: win
Locale: zh-TW (zh_TW); UI: en-US
Calc: CL</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>