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Switch from text to curves in SVG C++ logo. (#7395)

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The text SVG would sometimes be processed by vscode before it finished
initializing its font engine and then get aggressively cached, resulting
in the logo sometimes missing one of the characters.

The new SVG logo is a bit more dense than the old text one was, so shows
up as a C++ "banner" a bit better, and should be displayed more
consistently.

Assisted-by: Gemini via Antigravity
This commit is contained in:
Richard Smith
2026-06-23 19:22:53 +00:00
committed by GitHub
parent fee00c6f3c
commit 2271583d6d
1 changed files with 14 additions and 7 deletions
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utils/vscode/src/extension.ts
+14 -7
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@@ -94,18 +94,25 @@ function updateSplitLineNumbers(editor: TextEditor | undefined) {
}
// Get an SVG image with a diagonal "C++" logo.
const getCppSvgBase64 = (fillColor: string) => {
const getCppSvgBase64 = (color: string, opacity: number) => {
const svg = [
'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20">',
`<text x="50%" y="50%" font-size="10px" font-family="sans-serif" `,
`fill="${fillColor}" text-anchor="middle" dominant-baseline="central" `,
`transform="rotate(-45 10 10)">C++</text></svg>`,
'<svg xmlns="http://www.w3.org/2000/svg" viewBox="2.1 2.3 15.6 15.6">',
`<g fill="none" stroke-linecap="square" stroke="${color}" `,
`opacity="${opacity}" transform="rotate(-45 10 10)">`,
`<circle cx="4.45" cy="10" r="2.7" stroke-width="1.8" `,
`stroke-dasharray="10.76 6.2" stroke-dashoffset="-3.1" />`,
`<g stroke-width="1.8">`,
`<line x1="10.05" y1="8.1" x2="10.05" y2="11.9" />`,
`<line x1="8.15" y1="10" x2="11.95" y2="10" />`,
`<line x1="16.35" y1="8.1" x2="16.35" y2="11.9" />`,
`<line x1="14.45" y1="10" x2="18.25" y2="10" />`,
`</g></g></svg>`,
].join('');
return Buffer.from(svg).toString('base64');
};
const lightSvgBase64 = getCppSvgBase64('rgba(0,0,0,0.05)');
const darkSvgBase64 = getCppSvgBase64('rgba(255,255,255,0.06)');
const lightSvgBase64 = getCppSvgBase64('rgb(0,0,0)', 0.07);
const darkSvgBase64 = getCppSvgBase64('rgb(255,255,255)', 0.06);
// Create a decoration type for C++ code embedded in Carbon.
const createCppDecorationType = (isWholeLine: boolean) => {