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🎨 https://github.com/siyuan-note/siyuan/pull/16714

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Vanessa 2026-01-10 21:39:21 +08:00
parent 1aaabefe05
commit ca1f1308a5
1 changed files with 5 additions and 8 deletions
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13
app/src/asset/anno.ts
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@ -778,9 +778,10 @@ async function getRectImgData(pdfObj: any) {
const CAPTURE_SCALE_RATIO = 1.5;
const pdfPage = await pdfObj.pdfDocument.getPage(pageNumber);
const displayViewport = pageView.viewport.clone({rotation: 0});
// displayViewport.scale 等于以前用的 pdfObj.pdfViewer.currentScale * window.pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
const captureViewport = pdfPage.getViewport({scale: displayViewport.scale * CAPTURE_SCALE_RATIO, rotation: 0});
const captureViewport = pdfPage.getViewport({
scale: pdfObj.pdfViewer.currentScale * window.pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS * CAPTURE_SCALE_RATIO,
rotation: 0
});
const captureCanvas = document.createElement("canvas");
captureCanvas.width = Math.floor(captureViewport.width);
captureCanvas.height = Math.floor(captureViewport.height);
@ -791,11 +792,7 @@ async function getRectImgData(pdfObj: any) {
viewport: captureViewport
}).promise;
const firstChild = rectElement.firstElementChild as HTMLElement;
if (!firstChild) {
return;
}
const rectStyle = firstChild.style;
const rectStyle = (rectElement.firstElementChild as HTMLElement).style;
const captureImageData = captureCtx.getImageData(
CAPTURE_SCALE_RATIO * parseFloat(rectStyle.left),
CAPTURE_SCALE_RATIO * parseFloat(rectStyle.top),