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fix(simulation): render screenshot symbol glyphs (#37691)

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Kit Langton 2026-07-18 21:36:21 -04:00 • committed by GitHub
commit 584fdefe6f
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4 changed files with 62 additions and 7 deletions
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21
packages/simulation/src/frontend/png.ts
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@ -5,16 +5,29 @@ import regularFont from "@fontsource/commit-mono/files/commit-mono-latin-400-nor
import boldFont from "@fontsource/commit-mono/files/commit-mono-latin-700-normal.woff2" with { type: "file" }
import italicFont from "@fontsource/commit-mono/files/commit-mono-latin-400-italic.woff2" with { type: "file" }
import boldItalicFont from "@fontsource/commit-mono/files/commit-mono-latin-700-italic.woff2" with { type: "file" }
import symbolFont from "@fontsource/noto-sans-symbols/files/noto-sans-symbols-symbols-400-normal.woff2" with { type: "file" }
import symbolFont2 from "@fontsource/noto-sans-symbols-2/files/noto-sans-symbols-2-symbols-400-normal.woff2" with { type: "file" }
import brailleFont from "@fontsource/noto-sans-symbols-2/files/noto-sans-symbols-2-braille-400-normal.woff2" with { type: "file" }
import mathFont from "@fontsource/noto-sans-math/files/noto-sans-math-math-400-normal.woff2" with { type: "file" }
const CellWidth = 10
const CellHeight = 20
const FontSize = 16
const FontFamily = "OpenCode Mono"
const SymbolFontFamily = "OpenCode Symbols"
const SymbolFontFamily2 = "OpenCode Symbols 2"
const MathFontFamily = "OpenCode Math"
const FontStack = `"${FontFamily}", "${SymbolFontFamily}", "${SymbolFontFamily2}", "${MathFontFamily}"`
for (const file of [regularFont, boldFont, italicFont, boldItalicFont]) {
for (const [file, family] of [
...[regularFont, boldFont, italicFont, boldItalicFont].map((file) => [file, FontFamily] as const),
[symbolFont, SymbolFontFamily],
[symbolFont2, SymbolFontFamily2],
[brailleFont, SymbolFontFamily2],
[mathFont, MathFontFamily],
] as const) {
const font = Buffer.from(await Bun.file(file).arrayBuffer())
if (!GlobalFonts.register(font, FontFamily))
throw new Error(`Failed to register screenshot font: ${file}`)
if (!GlobalFonts.register(font, family)) throw new Error(`Failed to register screenshot font: ${file}`)
}
export function screenshot(renderer: CliRenderer) {
@ -55,7 +68,7 @@ export function screenshotFrame(frame: CapturedFrame) {
const x = column * CellWidth
const y = row * CellHeight
if (!drawBlockElement(context, char, x, y, cells)) {
context.font = `${attributes & TextAttributes.ITALIC ? "italic " : ""}${attributes & TextAttributes.BOLD ? "bold " : ""}${FontSize}px "${FontFamily}"`
context.font = `${attributes & TextAttributes.ITALIC ? "italic " : ""}${attributes & TextAttributes.BOLD ? "bold " : ""}${FontSize}px ${FontStack}`
context.fillText(char, x, y + 1)
}
if (attributes & TextAttributes.UNDERLINE) {