yetangitu/pdf.js
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Exposes all functional members via lib exports and use them in viewer.

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This commit is contained in:
Yury Delendik 2016-03-28 16:44:27 -05:00
parent 1d12aed5ca
commit 1e3e14e6b2
25 changed files with 174 additions and 102 deletions
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20
web/pdf_page_view.js
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@ -12,7 +12,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals RenderingStates, PDFJS, DEFAULT_SCALE, CSS_UNITS, getOutputScale,
/* globals RenderingStates, pdfjsLib, DEFAULT_SCALE, CSS_UNITS, getOutputScale,
TextLayerBuilder, Promise, approximateFraction, roundToDivide */
'use strict';
@ -162,19 +162,18 @@ var PDFPageView = (function PDFPageViewClosure() {
});
var isScalingRestricted = false;
if (this.canvas && PDFJS.maxCanvasPixels > 0) {
if (this.canvas && pdfjsLib.PDFJS.maxCanvasPixels > 0) {
var outputScale = this.outputScale;
var pixelsInViewport = this.viewport.width * this.viewport.height;
var maxScale = Math.sqrt(PDFJS.maxCanvasPixels / pixelsInViewport);
if (((Math.floor(this.viewport.width) * outputScale.sx) | 0) *
((Math.floor(this.viewport.height) * outputScale.sy) | 0) >
PDFJS.maxCanvasPixels) {
pdfjsLib.PDFJS.maxCanvasPixels) {
isScalingRestricted = true;
}
}
if (this.canvas) {
if (PDFJS.useOnlyCssZoom ||
if (pdfjsLib.PDFJS.useOnlyCssZoom ||
(this.hasRestrictedScaling && isScalingRestricted)) {
this.cssTransform(this.canvas, true);
@ -208,7 +207,7 @@ var PDFPageView = (function PDFPageViewClosure() {
},
cssTransform: function PDFPageView_transform(canvas, redrawAnnotations) {
var CustomStyle = PDFJS.CustomStyle;
var CustomStyle = pdfjsLib.CustomStyle;
// Scale canvas, canvas wrapper, and page container.
var width = this.viewport.width;
@ -330,7 +329,7 @@ var PDFPageView = (function PDFPageViewClosure() {
var outputScale = getOutputScale(ctx);
this.outputScale = outputScale;
if (PDFJS.useOnlyCssZoom) {
if (pdfjsLib.PDFJS.useOnlyCssZoom) {
var actualSizeViewport = viewport.clone({scale: CSS_UNITS});
// Use a scale that will make the canvas be the original intended size
// of the page.
@ -339,9 +338,10 @@ var PDFPageView = (function PDFPageViewClosure() {
outputScale.scaled = true;
}
if (PDFJS.maxCanvasPixels > 0) {
if (pdfjsLib.PDFJS.maxCanvasPixels > 0) {
var pixelsInViewport = viewport.width * viewport.height;
var maxScale = Math.sqrt(PDFJS.maxCanvasPixels / pixelsInViewport);
var maxScale =
Math.sqrt(pdfjsLib.PDFJS.maxCanvasPixels / pixelsInViewport);
if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
outputScale.sx = maxScale;
outputScale.sy = maxScale;
@ -517,7 +517,7 @@ var PDFPageView = (function PDFPageViewClosure() {
},
beforePrint: function PDFPageView_beforePrint() {
var CustomStyle = PDFJS.CustomStyle;
var CustomStyle = pdfjsLib.CustomStyle;
var pdfPage = this.pdfPage;
var viewport = pdfPage.getViewport(1);