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Canvas2D: Add srgb-linear and display-p3-linear to PredefinedColorSpace enum #11529

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Canvas2D: Add srgb-linear and display-p3-linear to PredefinedColorSpace enum #11529

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941adab
Reapply patch
ccameron-chromium Oct 2, 2025
634e03f
Remove rec2100-linear from this patch
ccameron-chromium Oct 22, 2025
eec7344
Fix rebase conflict
ccameron-chromium Oct 24, 2025
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12 changes: 11 additions & 1 deletion source
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Original file line number Diff line number Diff line change
Expand Up @@ -3771,7 +3771,9 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
<li><dfn data-x-href="https://drafts.csswg.org/css-color/#opaque-black">opaque black</dfn></li>
<li><dfn data-x-href="https://drafts.csswg.org/css-color/#transparent-black">transparent black</dfn></li>
<li><dfn data-x-href="https://drafts.csswg.org/css-color/#valdef-color-srgb">'srgb'</dfn> color space</li>
<li><dfn data-x-href="https://drafts.csswg.org/css-color/#valdef-color-srgb-linear">'srgb-linear'</dfn> color space</li>
<li><dfn data-x-href="https://drafts.csswg.org/css-color/#valdef-color-display-p3">'display-p3'</dfn> color space</li>
<li><dfn data-x-href="https://drafts.csswg.org/css-color/#display-p3-linear-space">'display-p3-linear'</dfn> color space</li>
<li><dfn data-x-href="https://drafts.csswg.org/css-color-5/#valdef-color-profile-rendering-intent-relative-colorimetric">'relative-colorimetric'</dfn> rendering intent</li>
<li><dfn id="parsed-as-a-css-color-value" data-x-href="https://drafts.csswg.org/css-color/#parse-a-css-color-value">parse a CSS &lt;color> value</dfn></li>
<li><!--en-GB--><dfn id="serialisation-of-a-color" data-x-href="https://drafts.csswg.org/css-color/#serializing-color-values">serialize a CSS &lt;color> value</dfn> including <dfn data-x-href="https://drafts.csswg.org/css-color/#color-serialization-html-compatible-serialization-is-requested">HTML-compatible serialization is requested</dfn></li>
Expand Down Expand Up @@ -75526,7 +75528,7 @@ interface <dfn interface>OffscreenCanvasRenderingContext2D</dfn> {
<!--en-GB--><h5 id="colour-spaces-and-colour-correction">Color spaces and color space
conversion</h5>

<pre><code class="idl">enum <dfn enum>PredefinedColorSpace</dfn> { "<span data-x="dom-PredefinedColorSpace-srgb">srgb</span>", "<span data-x="dom-PredefinedColorSpace-display-p3">display-p3</span>" };</code></pre>
<pre><code class="idl">enum <dfn enum>PredefinedColorSpace</dfn> { "<span data-x="dom-PredefinedColorSpace-srgb">srgb</span>", "<span data-x="dom-PredefinedColorSpace-srgb-linear">srgb-linear</span>", "<span data-x="dom-PredefinedColorSpace-display-p3">display-p3</span>", "<span data-x="dom-PredefinedColorSpace-display-p3-linear">display-p3-linear</span>" };</code></pre>

<p>The <code>PredefinedColorSpace</code> enumeration is used to specify the <span
data-x="concept-canvas-color-space">color space</span> of the canvas's backing store.</p>
Expand All @@ -75535,10 +75537,18 @@ interface <dfn interface>OffscreenCanvasRenderingContext2D</dfn> {
data-x="dom-PredefinedColorSpace-srgb">srgb</code></dfn>" value indicates the <span>'srgb'</span>
color space.</p>

<p>The "<dfn enum-value for="PredefinedColorSpace"><code
data-x="dom-PredefinedColorSpace-srgb-linear">srgb-linear</code></dfn>" value indicates the
<span>'srgb-linear'</span> color space.</p>

<p>The "<dfn enum-value for="PredefinedColorSpace"><code
data-x="dom-PredefinedColorSpace-display-p3">display-p3</code></dfn>" value indicates the
<span>'display-p3'</span> color space.</p>

<p>The "<dfn enum-value for="PredefinedColorSpace"><code
data-x="dom-PredefinedColorSpace-display-p3-linear">display-p3-linear</code></dfn>" value indicates the
<span>'display-p3-linear'</span> color space.</p>

<p><span data-x="Converting Colors">Color space conversion</span> must be applied to the canvas's
backing store when rendering the canvas to the output device.</p>

Expand Down