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Update remaining examples, and docs, to utilize current API functionality (issue 10377)

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This contains a couple of changes that I missed elsewhere, sorry about that!
This commit is contained in:
Jonas Jenwald 2018-12-24 12:28:20 +01:00
parent 103f4616ac
commit 9962ab66ab
4 changed files with 13 additions and 12 deletions
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11
docs/contents/examples/index.md
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@ -20,10 +20,11 @@ The object structure of PDF.js loosely follows the structure of an actual PDF. A
pdfjsLib.getDocument('helloworld.pdf')
```
Remember though that PDF.js uses promises, so the above will return a promise that is resolved with the document object.
Remember though that PDF.js uses promises, and the above will return a `PDFDocumentLoadingTask` instance that has a `promise` property which is resolved with the document object.
```js
pdfjsLib.getDocument('helloworld.pdf').then(function(pdf) {
var loadingTask = pdfjsLib.getDocument('helloworld.pdf');
loadingTask.promise.then(function(pdf) {
// you can now use *pdf* here
});
```
@ -42,7 +43,7 @@ Each PDF page has its own viewport which defines the size in pixels(72DPI) and i
```js
var scale = 1.5;
var viewport = page.getViewport(scale);
var viewport = page.getViewport({ scale: scale, });
var canvas = document.getElementById('the-canvas');
var context = canvas.getContext('2d');
@ -60,9 +61,9 @@ Alternatively, if you want the canvas to render to a certain pixel size you coul
```js
var desiredWidth = 100;
var viewport = page.getViewport(1);
var viewport = page.getViewport({ scale: 1, });
var scale = desiredWidth / viewport.width;
var scaledViewport = page.getViewport(scale);
var scaledViewport = page.getViewport({ scale: scale, });
```
## Interactive examples