yetangitu/pdf.js
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Use css to initially scale on zoom.

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This commit is contained in:
Brendan Dahl 2013-10-02 09:05:46 -07:00
parent 0cd4874df6
commit df249da923
3 changed files with 131 additions and 29 deletions
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16
web/viewer.js
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@ -35,6 +35,10 @@ var MAX_SCALE = 4.0;
var SETTINGS_MEMORY = 20;
var SCALE_SELECT_CONTAINER_PADDING = 8;
var SCALE_SELECT_PADDING = 22;
var USE_ONLY_CSS_ZOOM = false;
//#if B2G
//USE_ONLY_CSS_ZOOM = true;
//#endif
var RenderingStates = {
INITIAL: 0,
RUNNING: 1,
@ -181,7 +185,7 @@ var PDFView = {
var pages = this.pages;
for (var i = 0; i < pages.length; i++)
pages[i].update(val * CSS_UNITS);
pages[i].update(val);
if (!noScroll && this.currentScale != val)
this.pages[this.page - 1].scrollIntoView();
@ -212,9 +216,9 @@ var PDFView = {
}
var pageWidthScale = (container.clientWidth - SCROLLBAR_PADDING) /
currentPage.width * currentPage.scale / CSS_UNITS;
currentPage.width * currentPage.scale;
var pageHeightScale = (container.clientHeight - VERTICAL_PADDING) /
currentPage.height * currentPage.scale / CSS_UNITS;
currentPage.height * currentPage.scale;
switch (value) {
case 'page-actual':
scale = 1;
@ -803,7 +807,7 @@ var PDFView = {
// Fetch a single page so we can get a viewport that will be the default
// viewport for all pages
firstPagePromise.then(function(pdfPage) {
var viewport = pdfPage.getViewport(scale || 1.0);
var viewport = pdfPage.getViewport((scale || 1.0) * CSS_UNITS);
var pagePromises = [];
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
var viewportClone = viewport.clone();
@ -1500,6 +1504,10 @@ document.addEventListener('DOMContentLoaded', function webViewerLoad(evt) {
PDFJS.disableHistory = (hashParams['disableHistory'] === 'true');
}
if ('useOnlyCssZoom' in hashParams) {
USE_ONLY_CSS_ZOOM = (hashParams['useOnlyCssZoom'] === 'true');
}
//#if !(FIREFOX || MOZCENTRAL)
var locale = navigator.language;
if ('locale' in hashParams)