зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1834903 [wpt PR 40210] - Apply font-size-adjust to fallback fonts, a=testonly
Automatic update from web-platform-tests Apply font-size-adjust to fallback fonts Fallback fonts ignore font-size-adjust. That is because the primary font's description is used to create fallback fonts. As a fallback font can have different font metrics, we should adjust its size. The subpixel rendering might affect the result on Windows. To make it happy, we tweak the font size in font-size-adjust-012.html. With this change, Windows gets a regression on font-size-adjust-010.html due to unknown reasons. We will handle it in a separate ticket [1]. [1] https://bugs.chromium.org/p/chromium/issues/detail?id=1454612 Test: external/wpt/css/css-fonts/font-size-adjust-012.html external/wpt/css/css-fonts/font-size-adjust-metrics-override.html Bug: 451346 Change-Id: Iab8f14c21fdf501931e62e77e9059737722a050f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4305200 Reviewed-by: Dominik Röttsches <drott@chromium.org> Commit-Queue: ChangSeok Oh <changseok.oh@bytedance.com> Cr-Commit-Position: refs/heads/main@{#1159352} -- wpt-commits: 921aaae3e84c182fe2d09ef176a3f03702928a8c wpt-pr: 40210
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ChangSeok Oh
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@ -19,9 +19,9 @@
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}
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.test {
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font-family: var(--primary-font), var(--secondary-font);
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font-size: 50px;
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font-size: 100px;
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color: peru;
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height: 50px;
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height: 200px;
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}
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.primary-font {
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font-family: var(--primary-font);
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@ -23,9 +23,9 @@
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}
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.test {
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font-family: var(--primary-font), var(--secondary-font);
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font-size: 50px;
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font-size: 100px;
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color: peru;
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height: 50px;
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height: 200px;
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}
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.primary-font {
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font-family: var(--primary-font);
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@ -0,0 +1,58 @@
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<!DOCTYPE html>
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<meta charset="utf-8">
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<link rel="help" href="https://www.w3.org/TR/css-fonts-5/#font-size-adjust-prop">
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<meta name="assert" content="Tests the simultaneous use of font-size-adjust and metrics override descriptorof of @font-face">
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<title>Tests if font metric overrides reflect the adjustment of font-size-adjust.</title>
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<style>
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@font-face {
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font-family: Ahem;
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src: local(Ahem), url(/fonts/Ahem.ttf);
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}
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.reference {
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font: 20px Ahem;
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position: absolute;
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top: 10px;
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left: 10px;
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}
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.overridden-ascent-ref {
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display: inline-block;
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background-color: green;
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width: 1em;
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height: 1em; /* Scale a reference block to match the overridden ascent of 100%. */
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}
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.character {
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display: inline-block;
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background-color: green;
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width: 2em; /* Double-size of an 'X' in Ahem */
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height: 2em; /* Double-size of an 'X' in Ahem */
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position: absolute;
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/* Two times of difference between the overridden ascent and the original ascent */
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top: 0.4em;
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left: 1em;
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}
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.overridden-descent-ref {
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display: inline-block;
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background-color: green;
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width: 1em;
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height: 0.5em; /* Scale a reference block to match the overridden descen of 50%. */
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position: absolute;
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top: 2.5em;
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left: 3em;
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}
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</style>
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<!--
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The three green rectangles below show ascent, character, and descent sizes
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from the left. The ascent and descent are overridden by 100% and 50% of the
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specified font size, respectively. The test applies font-size-adjust and font
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metric overrides simultaneously to text. As we double the text size with
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font-size-adjust, the ascent and descent override should scale accordingly
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to double their size.
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-->
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<div class="reference">
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<span class="overridden-ascent-ref"></span><span class="character"></span><span class="overridden-descent-ref"></span>
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</div>
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@ -0,0 +1,55 @@
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<!DOCTYPE html>
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<meta charset="utf-8">
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<link rel="author" href="mailto:changseok@webkit.org">
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<link rel="match" href="font-size-adjust-metrics-override-ref.html">
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<link rel="help" href="https://www.w3.org/TR/css-fonts-5/#font-size-adjust-prop">
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<meta name="assert" content="Tests the simultaneous use of font-size-adjust and metrics override descriptors of @font-face">
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<title>Tests if font metric overrides reflect the adjustment of font-size-adjust.</title>
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<style>
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@font-face {
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font-family: Ahem;
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src: local(Ahem), url(/fonts/Ahem.ttf);
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/* The default ascent and descent are 80% and 20%, respectively. */
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ascent-override: 100%;
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descent-override: 50%;
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}
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.size-adjusted {
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font: 20px Ahem;
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/* Scale up 200% since the Ahem font has an aspect ratio of 0.8 of x-height
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to size. */
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font-size-adjust: 1.6;
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color: green;
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position: absolute;
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top: 10px;
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left: 10px;
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}
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.overridden-ascent-ref {
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display: inline-block;
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background-color: green;
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vertical-align: top;
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width: 1em;
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height: 1em; /* Scale a reference block to match the overridden ascent of 100%. */
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}
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.overridden-descent-ref {
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display: inline-block;
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background-color: green;
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vertical-align: bottom;
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width: 1em;
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height: 0.5em; /* Scale a reference block to match the overridden descen of 50%. */
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}
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</style>
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<!--
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The three green rectangles below show ascent, character, and descent sizes
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from the left. The ascent and descent are overridden by 100% and 50% of the
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specified font size, respectively. The test applies font-size-adjust and font
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metric overrides simultaneously to text. As we double the text size with
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font-size-adjust, the ascent and descent override should scale accordingly
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to double their size.
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-->
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<div class="size-adjusted">
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<span class="overridden-ascent-ref"></span>X<span class="overridden-descent-ref"></span>
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</div>
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@ -610,6 +610,8 @@ AHEM SYSTEM FONT: css/css-fonts/font-size-adjust-012.html
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AHEM SYSTEM FONT: css/css-fonts/font-size-adjust-012-ref.html
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AHEM SYSTEM FONT: css/css-fonts/font-size-adjust-013.html
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AHEM SYSTEM FONT: css/css-fonts/font-size-adjust-013-ref.html
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AHEM SYSTEM FONT: css/css-fonts/font-size-adjust-metrics-override.html
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AHEM SYSTEM FONT: css/css-fonts/font-size-adjust-metrics-override-ref.html
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AHEM SYSTEM FONT: css/css-fonts/line-gap-override.html
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AHEM SYSTEM FONT: html/dom/render-blocking/remove-attr-unblocks-rendering.optional.html
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AHEM SYSTEM FONT: html/dom/render-blocking/remove-element-unblocks-rendering.optional.html
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