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fix: enlarge cardioid (heart) shape mask for better visibility 

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
hailin 2026-04-05 21:21:59 -07:00
parent 1a0abaa453
commit 8fb5caef07
1 changed files with 2 additions and 2 deletions
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4
frontend/src/adapters/gateways/EChartsOptionBuilder/wordcloudOptionBuilder.ts
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@ -82,9 +82,9 @@ function createShapeMask(shape: string, size: number): HTMLCanvasElement | null
case 'cardioid': { case 'cardioid': {
ctx.beginPath(); ctx.beginPath();
for (let angle = 0; angle < Math.PI * 2; angle += 0.01) { for (let angle = 0; angle < Math.PI * 2; angle += 0.01) {
const rr = r * 0.5 * (1 - Math.sin(angle)); const rr = r * 0.85 * (1 - Math.sin(angle));
const x = cx + rr * Math.cos(angle); const x = cx + rr * Math.cos(angle);
const y = cy - rr * Math.sin(angle) + r * 0.15; const y = cy - rr * Math.sin(angle) + r * 0.3;
if (angle === 0) ctx.moveTo(x, y); if (angle === 0) ctx.moveTo(x, y);
else ctx.lineTo(x, y); else ctx.lineTo(x, y);
} }