62 lines
No EOL
1.3 KiB
Text
62 lines
No EOL
1.3 KiB
Text
import * as fontkit from "fontkit";
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var font = await fontkit.openSync('/home/yoxem/桌面/TMP/ts-playground/aliputtat/LinLibertine_DR.otf');
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var run = font.layout('a̍h',undefined, undefined, undefined, "ltr");
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for (var i=0;i<=2;i++){
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console.log(run.glyphs[i]._metrics);
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console.log(run.glyphs[i].bbox); // bounding box
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console.log(run.glyphs[i].advanceWidth);
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}
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/*結果：
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假設文字大小為16(px)（=12pt），則下面的數字單位為
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16/1000 px = [文字pt值]*(4/3)/1000 px
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454 即 454*16/1000 px；1140即1140*16/1000 px等等。
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*/
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{
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advanceWidth: 454, // 游標前進的長度
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advanceHeight: 1140, // 游標往下的長度
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leftBearing: 42,
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topBearing: 475
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}
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$f34600ab9d7f70d8$export$2e2bcd8739ae039 {
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minX: 42, // 文字最左邊的x座標
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minY: -10, // 文字最下邊的y座標
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maxX: 441, // 文字最右邊的座標
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maxY: 419 // 文字最上的座標
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}
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//文字glyph字圖寬度 = (441-42)*16/1000 px
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//文字glyph字圖高度 = (419-(-10))*16/1000 px
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454
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{
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advanceWidth: 0,
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advanceHeight: 1140,
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leftBearing: -181,
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topBearing: 184
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}
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$f34600ab9d7f70d8$export$2e2bcd8739ae039 {
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minX: -181,
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minY: 548,
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maxX: -127,
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maxY: 710
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}
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0
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{
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advanceWidth: 511,
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advanceHeight: 1140,
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leftBearing: 18,
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topBearing: 196
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}
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$f34600ab9d7f70d8$export$2e2bcd8739ae039 {
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minX: 18.5,
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minY: -5,
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maxX: 499.75,
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maxY: 698
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}
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511 |