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fix(simphtml): improve bounding box calculation for transparent containers by using children union rect

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Liang Jiaqing
2026-04-03 11:14:25 +08:00
parent da40ba413b
commit 5bc763d319
1 changed files with 23 additions and 2 deletions
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25
simphtml.py
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@@ -73,8 +73,29 @@ function createEnhancedDOMCopy() {
const hasValidChildren = nonTextChildren.length > 0;
if (hasValidChildren) {
const maxC = nonTextChildren.map(c => nodeInfo.get(c)).filter(i => i?.isVisible).sort((a, b) => b.area - a.area)[0];
if (maxC && maxC.area > 10000 && (!isVisible || maxC.area > info.area * 5)) info = maxC;
const childrenInfos = nonTextChildren.map(c => nodeInfo.get(c)).filter(i => i && i.rect && i.rect.width > 0 && i.rect.height > 0);
const bgAlpha = (() => {
const c = style.backgroundColor;
if (!c || c === 'transparent') return 0;
const m = c.match(/rgba?\([^)]+,\s*([\d.]+)\)/);
return m ? parseFloat(m[1]) : 1;
})();
const hasVisualBg = bgAlpha > 0.1 || style.backgroundImage !== 'none' || (style.backdropFilter && style.backdropFilter !== 'none') || style.boxShadow !== 'none';
if (!hasVisualBg && childrenInfos.length > 0) {
let minL = Infinity, minT = Infinity, maxR = -Infinity, maxB = -Infinity;
for (const cInfo of childrenInfos) {
minL = Math.min(minL, cInfo.rect.left);
minT = Math.min(minT, cInfo.rect.top);
maxR = Math.max(maxR, cInfo.rect.right);
maxB = Math.max(maxB, cInfo.rect.bottom);
}
info.rect = { left: minL, top: minT, right: maxR, bottom: maxB, width: maxR - minL, height: maxB - minT };
info.area = info.rect.width * info.rect.height;
} else {
const maxC = childrenInfos.filter(i => i.isVisible).sort((a, b) => b.area - a.area)[0];
if (maxC && maxC.area > 10000 && (!isVisible || maxC.area > info.area * 5)) info = maxC;
}
}
nodeInfo.set(clone, info);