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

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This commit is contained in:
Vanessa 2023-08-31 11:19:45 +08:00
parent cf5948dd1a
commit 8212a5c059
2 changed files with 16 additions and 43 deletions
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1
app/electron/main.js
View file

@ -50,7 +50,6 @@ try {
} }
const hotKey2Electron = (key) => { const hotKey2Electron = (key) => {
console.log(key)
if (!key) { if (!key) {
return key; return key;
} }

58
app/src/asset/anno.ts
View file

@ -636,32 +636,15 @@ const copyAnno = (idPath: string, fileName: string, pdf: any) => {
}, Constants.TIMEOUT_DBLCLICK); }, Constants.TIMEOUT_DBLCLICK);
}; };
const getCaptureCanvas = async (pdfObj: any, pageNumber: number) => {
const getPage = (element: Element): Element | null => { const pdfPage = await pdfObj.pdfDocument.getPage(pageNumber);
if (!element) { const viewport = pdfPage.getViewport({scale: window.devicePixelRatio || 1});
return null;
} else if (element.classList.contains("page")) {
return element;
}
return getPage(element.parentElement);
};
const getCaptureCanvas = async (page: any, captureScale: number) => {
const viewport = page.getViewport({scale: captureScale * window.pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS});
// Support HiDPI-screens.
const outputScale = window.devicePixelRatio || 1;
const canvas = document.createElement("canvas"); const canvas = document.createElement("canvas");
canvas.width = Math.floor(viewport.width * outputScale); canvas.width = Math.floor(viewport.width);
canvas.height = Math.floor(viewport.height * outputScale); canvas.height = Math.floor(viewport.height);
canvas.style.width = Math.floor(viewport.width) + "px";
canvas.style.height = Math.floor(viewport.height) + "px";
await page.render({ await pdfPage.render({
canvasContext: canvas.getContext("2d"), canvasContext: canvas.getContext("2d"),
transform: outputScale !== 1
? [outputScale, 0, 0, outputScale, 0, 0]
: null,
viewport: viewport viewport: viewport
}).promise; }).promise;
@ -669,29 +652,20 @@ const getCaptureCanvas = async (page: any, captureScale: number) => {
}; };
async function getRectImgData(pdfObj: any) { async function getRectImgData(pdfObj: any) {
const pageElement = getPage(rectElement.firstElementChild); const pageElement = hasClosestByClassName(rectElement, "page");
if (!pageElement) { if (!pageElement) {
return; return;
} }
const cavasElement = pageElement.querySelector(".canvasWrapper canvas") as HTMLCanvasElement;
let scale;
const trueWith = cavasElement.getBoundingClientRect().width;
if (trueWith <= 0) {
scale = window.devicePixelRatio || 1;
} else {
scale = cavasElement.width / trueWith;
}
const rectStyle = (rectElement.firstElementChild as HTMLElement).style;
const captureLocation = {
width: scale * parseFloat(rectStyle.width),
height: scale * parseFloat(rectStyle.height),
top: scale * parseFloat(rectStyle.top),
left: scale * parseFloat(rectStyle.left),
};
const pdfPage = await pdfObj.pdfDocument.getPage(parseInt(pageElement.getAttribute("data-page-number"))); const captureCanvas = await getCaptureCanvas(pdfObj, parseInt(pageElement.getAttribute("data-page-number")));
const captureCanvas = await getCaptureCanvas(pdfPage, pdfObj.pdfViewer.currentScale);
const captureImageData = captureCanvas.getContext("2d").getImageData(captureLocation.left, captureLocation.top, captureLocation.width, captureLocation.height); const rectStyle = (rectElement.firstElementChild as HTMLElement).style;
const scale = (window.devicePixelRatio || 1) / pdfObj.pdfViewer.currentScale / window.pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
const captureImageData = captureCanvas.getContext("2d").getImageData(
scale * parseFloat(rectStyle.left),
scale * parseFloat(rectStyle.top),
scale * parseFloat(rectStyle.width),
scale * parseFloat(rectStyle.height));
const tempCanvas = document.createElement("canvas"); const tempCanvas = document.createElement("canvas");
tempCanvas.width = captureImageData.width; tempCanvas.width = captureImageData.width;