yiminghe / dom-align / 44
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/**
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* 获取 node 上的 align 对齐点 相对于页面的坐标 |
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*/ |
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function getAlignOffset(region, align) { |
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const V = align.charAt(0);
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const H = align.charAt(1);
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const w = region.width; |
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const h = region.height; |
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let x; |
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let y; |
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x = region.left; |
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y = region.top; |
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if (V === 'c') { |
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y += h / 2;
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} else if (V === 'b') { |
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y += h; |
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} |
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if (H === 'c') { |
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x += w / 2;
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} else if (H === 'r') { |
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x += w; |
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} |
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return {
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left: x,
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top: y,
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}; |
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} |
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export default getAlignOffset; |