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Update preview package

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Xuan Sang LE
2020-05-21 14:51:47 +02:00
parent 5df3106328
commit dd58a998d8
5 changed files with 77 additions and 78 deletions
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86
Preview/build/debug/main.js
View File

@ -78,49 +78,51 @@
}
renderPDF(file) {
var q, status;
status = `${file.info.name} (${file.info.size} Kb)`;
q = this._api.mid();
return file.read("binary").then((d) => {
this._api.loading(q, "RENDERING");
($(this.view)).removeClass();
return PDFJS.getDocument({
data: d
}).then((pdf) => {
var fn;
fn = (p) => {
if (p > pdf.numPages) {
this.setStatus(`${status} - loaded`);
return this._api.loaded(q, "OK");
}
return pdf.getPage(p).then((page) => {
var canvas, context, div, renderContext, scale, viewport;
scale = 1.5;
viewport = page.getViewport(scale);
div = ($("<div/>")).attr("id", "page-" + (page.pageIndex + 1));
($(this.view)).append(div);
canvas = ($("<canvas>"))[0];
div.append(canvas);
context = canvas.getContext('2d');
canvas.height = viewport.height;
canvas.width = viewport.width;
renderContext = {
canvasContext: context,
viewport: viewport
};
page.render(renderContext);
this.setStatus(`${status} - ${p}/${pdf.numPages} loaded`);
return fn(p + 1);
});
};
return fn(1);
}).catch((err) => {
this.error(__("Cannot render the PDF file"));
return this._api.loaded(q, "FAIL");
return this.load(new Promise((resolve, reject) => {
var status;
status = `${file.info.name} (${file.info.size} Kb)`;
return file.read("binary").then((d) => {
($(this.view)).removeClass();
return PDFJS.getDocument({
data: d
}).then((pdf) => {
var fn;
fn = (p) => {
if (p > pdf.numPages) {
this.setStatus(`${status} - loaded`);
return resolve();
}
return pdf.getPage(p).then((page) => {
var canvas, context, div, renderContext, scale, viewport;
scale = 1.5;
viewport = page.getViewport(scale);
div = ($("<div/>")).attr("id", "page-" + (page.pageIndex + 1));
($(this.view)).append(div);
canvas = ($("<canvas>"))[0];
div.append(canvas);
context = canvas.getContext('2d');
canvas.height = viewport.height;
canvas.width = viewport.width;
renderContext = {
canvasContext: context,
viewport: viewport
};
page.render(renderContext);
this.setStatus(`${status} - ${p}/${pdf.numPages} loaded`);
return fn(p + 1);
}).catch(function(e) {
return reject(e);
});
};
return fn(1);
}).catch(function(e) {
return reject(e);
});
}).catch(function(e) {
return reject(e);
});
}).catch((e) => {
this._api.loaded(q, "FAIL");
return this.error(__("Unable to read file: {}", file.path), e);
})).catch((e) => {
return this.error(__("Unable to view file: {}", file.path), e);
});
}