Sakurai/pdf.js
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Treat zoom such that it can be a string value as well.

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This commit is contained in:
Julian Viereck 2012-01-02 20:15:45 +01:00
parent b4a42930d6
commit 2f563dbd2b
1 changed files with 18 additions and 3 deletions
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21
web/viewer.js
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@ -146,6 +146,7 @@ var PDFView = {
pages: [],
thumbnails: [],
currentScale: 0,
currentScaleValue: null,
initialBookmark: document.location.hash.substring(1),
setScale: function pdfViewSetScale(val, resetAutoSettings) {
@ -172,6 +173,7 @@ var PDFView = {
return;
var scale = parseFloat(value);
this.currentScaleValue = value;
if (scale) {
this.setScale(scale, true);
return;
@ -470,8 +472,16 @@ var PDFView = {
if ('zoom' in params) {
var zoomArgs = params.zoom.split(','); // scale,left,top
// building destination array
// If the zoom value, it has to get divided by 100. If it is a string,
// it should stay as it is.
var zoomArg = zoomArgs[0];
var zoomArgNumber = parseFloat(zoomArg);
if (zoomArgNumber)
zoomArg = zoomArgNumber / 100;
var dest = [null, {name: 'XYZ'}, (zoomArgs[1] | 0),
(zoomArgs[2] | 0), (zoomArgs[0] | 0) / 100];
(zoomArgs[2] | 0), zoomArg];
var currentPage = this.pages[pageNumber - 1];
currentPage.scrollIntoView(dest);
} else
@ -959,10 +969,15 @@ function updateViewarea() {
PDFView.page = firstPage.id;
updateViewarea.inProgress = false;
var currentScale = PDFView.currentScale;
var currentScaleValue = PDFView.currentScaleValue;
var normalizedScaleValue = currentScaleValue == currentScale ?
currentScale * 100 : currentScaleValue;
var kViewerTopMargin = 52;
var pageNumber = firstPage.id;
var pdfOpenParams = '#page=' + pageNumber;
pdfOpenParams += '&zoom=' + Math.round(PDFView.currentScale * 100);
pdfOpenParams += '&zoom=' + normalizedScaleValue;
var currentPage = PDFView.pages[pageNumber - 1];
var topLeft = currentPage.getPagePoint(window.pageXOffset,
window.pageYOffset - firstPage.y - kViewerTopMargin);
@ -971,7 +986,7 @@ function updateViewarea() {
var store = PDFView.store;
store.set('exists', true);
store.set('page', pageNumber);
store.set('zoom', Math.round(PDFView.currentScale * 100));
store.set('zoom', normalizedScaleValue);
store.set('scrollLeft', Math.round(topLeft.x));
store.set('scrollTop', Math.round(topLeft.y));