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Code Issues Packages Projects Releases Wiki Activity

Update preview package

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This commit is contained in:
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
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@ -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);
});
}

BIN
Preview/build/release/Preview.zip
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65
Preview/main.coffee
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@ -58,40 +58,37 @@ class Preview extends this.OS.GUI.BaseApplication
($ @status).html t
renderPDF: (file) ->
status = "#{file.info.name} (#{file.info.size} Kb)"
q = @_api.mid()
file.read("binary").then (d) =>
@_api.loading q, "RENDERING"
($ @view).removeClass()
PDFJS.getDocument { data: d }
.then (pdf) =>
fn = (p) =>
if p > pdf.numPages
@setStatus "#{status} - loaded"
return @_api.loaded q, "OK"
pdf.getPage(p).then (page) =>
scale = 1.5
viewport = page.getViewport scale
div = ($ "<div/>").attr("id", "page-" + (page.pageIndex + 1))
($ @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
@setStatus "#{status} - #{p}/#{pdf.numPages} loaded"
fn(p+1)
fn(1)
.catch (err) =>
@error __("Cannot render the PDF file")
@_api.loaded q, "FAIL"
.catch (e) =>
@_api.loaded q, "FAIL"
@error __("Unable to read file: {}", file.path), e
@load new Promise (resolve, reject) =>
status = "#{file.info.name} (#{file.info.size} Kb)"
file.read("binary").then (d) =>
($ @view).removeClass()
PDFJS.getDocument { data: d }
.then (pdf) =>
fn = (p) =>
if p > pdf.numPages
@setStatus "#{status} - loaded"
return resolve()
pdf.getPage(p).then (page) =>
scale = 1.5
viewport = page.getViewport scale
div = ($ "<div/>").attr("id", "page-" + (page.pageIndex + 1))
($ @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
@setStatus "#{status} - #{p}/#{pdf.numPages} loaded"
fn(p+1)
.catch (e) -> reject e
fn(1)
.catch (e) -> reject e
.catch (e) -> reject e
.catch (e) => @error __("Unable to view file: {}", file.path), e
renderSVG: (file) ->
($ @view).attr("class", "image")

2
Preview/package.json
View File

@ -6,7 +6,7 @@
"author": "Xuan Sang LE",
"email": "xsang.le@gmail.com"
},
"version":"0.0.1-a",
"version":"0.0.2-a",
"category":"Utils",
"iconclass":"fa fa-eye",
"mimes":["[^\/]*/.*pdf", "image/.*"]

2
packages.json
View File

@ -32,7 +32,7 @@
"description": "https://raw.githubusercontent.com/lxsang/antosdk-apps/master/Preview/README.md",
"category": "Utils",
"author": "Xuan Sang LE",
"version": "0.0.1-a",
"version": "0.0.2-a",
"download": "https://raw.githubusercontent.com/lxsang/antosdk-apps/master/Preview/build/release/Preview.zip"
},
{