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🎨 https://github.com/siyuan-note/siyuan/issues/9068

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Vanessa 2023-09-04 10:34:09 +08:00
parent 225dfbf505
commit a44a321b0a
1 changed files with 2 additions and 2 deletions
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4
app/src/asset/anno.ts
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@ -638,7 +638,7 @@ const copyAnno = (idPath: string, fileName: string, pdf: any) => {
const getCaptureCanvas = async (pdfObj: any, pageNumber: number) => {
const pdfPage = await pdfObj.pdfDocument.getPage(pageNumber);
const viewport = pdfPage.getViewport({scale: 2}); // 不使用 window.devicePixelRatio 否则 window 下画质不够
const viewport = pdfPage.getViewport({scale: 1.5 * pdfObj.pdfViewer.currentScale * window.pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS});
const canvas = document.createElement("canvas");
canvas.width = Math.floor(viewport.width);
canvas.height = Math.floor(viewport.height);
@ -660,7 +660,7 @@ async function getRectImgData(pdfObj: any) {
const captureCanvas = await getCaptureCanvas(pdfObj, parseInt(pageElement.getAttribute("data-page-number")));
const rectStyle = (rectElement.firstElementChild as HTMLElement).style;
const scale = 2 / pdfObj.pdfViewer.currentScale / window.pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
const scale = 1.5;
const captureImageData = captureCanvas.getContext("2d").getImageData(
scale * parseFloat(rectStyle.left),
scale * parseFloat(rectStyle.top),