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Fixed: Can't view PDF in MAUI Blazor #719 (#804)
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gvreddy04 committed Jul 14, 2024
1 parent 3a2b5b2 commit 6dbc8b5
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Showing 3 changed files with 12 additions and 12 deletions.
24 changes: 12 additions & 12 deletions blazorbootstrap/wwwroot/blazor.bootstrap.pdf.js
Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import * as pdfJS from './pdfjs-4.0.379.min.mjs';
import * as pdfWorker from './pdfjs-4.0.379.worker.min.mjs';
import * as pdfJS from './pdfjs-4.0.379.min.js';
import * as pdfWorker from './pdfjs-4.0.379.worker.min.js';

if (pdfJS != null && pdfWorker != null) {
pdfJS.GlobalWorkerOptions.workerSrc = pdfWorker;
Expand Down Expand Up @@ -130,7 +130,7 @@ export async function print(dotNetHelper, elementId, url) {

for (const pageNumber of pageRange) {
const page = await pdfDoc.getPage(pageNumber);

const viewport = page.getViewport({ scale: 1.5 });
const canvas = document.createElement("canvas");
canvas.height = viewport.height;
Expand All @@ -147,7 +147,7 @@ export async function print(dotNetHelper, elementId, url) {
viewport: viewport
};
await page.render(renderContext).promise;

const iframeDoc = iframeEl.contentWindow.document;
iframeDoc.body.appendChild(canvas);
}
Expand All @@ -156,7 +156,7 @@ export async function print(dotNetHelper, elementId, url) {
iframeEl.contentWindow.print();
iframeEl.remove();
},
1000);
1000);
}

export function rotate(dotNetHelper, elementId, rotation) {
Expand Down Expand Up @@ -246,13 +246,13 @@ function renderPage(pdf, num) {

// Wait for rendering to finish
renderTask.promise.then(() => {
pdf.pageRendering = false;
if (pdf.pageNumPending !== null) {
// New page rendering is pending
renderPage(pdf, pdf.pageNumPending);
pdf.pageNumPending = null;
}
})
pdf.pageRendering = false;
if (pdf.pageNumPending !== null) {
// New page rendering is pending
renderPage(pdf, pdf.pageNumPending);
pdf.pageNumPending = null;
}
})
.catch((error) => {
// TODO: track exception
});
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