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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /layout/reftests/font-features/1376231-vertical-gpos-adjustments.html
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/reftests/font-features/1376231-vertical-gpos-adjustments.html')
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1 files changed, 75 insertions, 0 deletions
diff --git a/layout/reftests/font-features/1376231-vertical-gpos-adjustments.html b/layout/reftests/font-features/1376231-vertical-gpos-adjustments.html
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+++ b/layout/reftests/font-features/1376231-vertical-gpos-adjustments.html
@@ -0,0 +1,75 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset=utf-8>
+<style>
+@font-face {
+ font-family: test;
+ src: url(../fonts/NotoSansCJKjp-Regular.subset.otf);
+}
+body {
+ font-family: test, serif;
+ line-height: 2em;
+}
+p {
+ margin: 1em;
+}
+span {
+ display: inline-block;
+}
+.v {
+ writing-mode: vertical-rl;
+}
+.halt {
+ font-feature-settings: "halt";
+ /* there are 3 characters in the text that should be affected by 'halt',
+ so if we add 1.5em of padding, the overall width will be the same */
+ padding-inline-end: 1.5em;
+}
+.palt {
+ font-feature-settings: "palt";
+ /* 'palt' results in even tighter spacing than 'halt', so we can add a
+ little more padding and the result should still be obscured by the
+ overlaid 'halt' span. (We don't try for an exact match as this involves
+ fractional pixel widths and would be very fragile.) */
+ padding-inline-end: 1.6em;
+}
+.vhal {
+ font-feature-settings: "vhal";
+ padding-inline-end: 1.5em;
+}
+.vpal {
+ font-feature-settings: "vpal";
+ padding-inline-end: 1.6em;
+}
+.red {
+ color: red;
+ background: red;
+}
+.green {
+ color: green;
+ background: green;
+}
+.overlay {
+ position: relative;
+ inset-block-start: -3em;
+}
+</style>
+</head>
+<body>
+There should be no red:
+<div>
+ <!-- check that the red 'halt' span is entirely hidden by the green default span -->
+ <p><span class="halt red">&#x3084;&#x3063;&#x307B;&#x3046;&#x3001;&#x300C;&#x4E16;&#x754C;&#x300D;</p>
+ <p class="overlay"><span class="green">&#x3084;&#x3063;&#x307B;&#x3046;&#x3001;&#x300C;&#x4E16;&#x754C;&#x300D;</p>
+ <!-- check that the red 'palt' span is entirely hidden by the green default span -->
+ <p><span class="palt red">&#x3084;&#x3063;&#x307B;&#x3046;&#x3001;&#x300C;&#x4E16;&#x754C;&#x300D;</p>
+ <p class="overlay"><span class="green">&#x3084;&#x3063;&#x307B;&#x3046;&#x3001;&#x300C;&#x4E16;&#x754C;&#x300D;</p>
+</div>
+<div class="v">
+ <!-- check the equivalent vertical-mode features -->
+ <p><span class="vhal red">&#x3084;&#x3063;&#x307B;&#x3046;&#x3001;&#x300C;&#x4E16;&#x754C;&#x300D;</p>
+ <p class="overlay"><span class="green">&#x3084;&#x3063;&#x307B;&#x3046;&#x3001;&#x300C;&#x4E16;&#x754C;&#x300D;</p>
+ <p><span class="vpal red">&#x3084;&#x3063;&#x307B;&#x3046;&#x3001;&#x300C;&#x4E16;&#x754C;&#x300D;</p>
+ <p class="overlay"><span class="green">&#x3084;&#x3063;&#x307B;&#x3046;&#x3001;&#x300C;&#x4E16;&#x754C;&#x300D;</p>
+</div>