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Move the useOnlyCssZoom option to a BaseViewer/PDFPageView option

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This removes the `PDFJS.useOnlyCssZoom` dependency from the viewer components, but please note that as a *temporary* solution the default viewer still uses it.
This commit is contained in:
Jonas Jenwald 2018-02-13 12:52:42 +01:00
parent 9e0a31f662
commit f4280368f7
4 changed files with 12 additions and 3 deletions
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3
examples/mobile-viewer/viewer.js
View File

@ -21,7 +21,7 @@ if (typeof PDFJS === 'undefined' || !PDFJS.PDFViewer || !PDFJS.getDocument) {
' `gulp dist-install`');
}
PDFJS.useOnlyCssZoom = true;
var USE_ONLY_CSS_ZOOM = true;
PDFJS.disableTextLayer = true;
PDFJS.maxImageSize = 1024 * 1024;
PDFJS.workerSrc = '../../node_modules/pdfjs-dist/build/pdf.worker.js';
@ -298,6 +298,7 @@ var PDFViewerApplication = {
container: container,
linkService: linkService,
l10n: this.l10n,
useOnlyCssZoom: USE_ONLY_CSS_ZOOM,
});
this.pdfViewer = pdfViewer;
linkService.setViewer(pdfViewer);

1
web/app.js
View File

@ -398,6 +398,7 @@ let PDFViewerApplication = {
enhanceTextSelection: viewerPrefs['enhanceTextSelection'],
renderInteractiveForms: viewerPrefs['renderInteractiveForms'],
enablePrintAutoRotate: viewerPrefs['enablePrintAutoRotate'],
useOnlyCssZoom: PDFJS.useOnlyCssZoom,
});
pdfRenderingQueue.setViewer(this.pdfViewer);
pdfLinkService.setViewer(this.pdfViewer);

4
web/base_viewer.js
View File

@ -48,6 +48,8 @@ const DEFAULT_CACHE_SIZE = 10;
* rotation of pages whose orientation differ from the first page upon
* printing. The default is `false`.
* @property {string} renderer - 'canvas' or 'svg'. The default is 'canvas'.
* @property {boolean} useOnlyCssZoom - (optional) Enables CSS only zooming.
* The default value is `false`.
* @property {IL10n} l10n - Localization service.
*/
@ -111,6 +113,7 @@ class BaseViewer {
this.renderInteractiveForms = options.renderInteractiveForms || false;
this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
this.renderer = options.renderer || RendererType.CANVAS;
this.useOnlyCssZoom = options.useOnlyCssZoom || false;
this.l10n = options.l10n || NullL10n;
this.defaultRenderingQueue = !options.renderingQueue;
@ -377,6 +380,7 @@ class BaseViewer {
enhanceTextSelection: this.enhanceTextSelection,
renderInteractiveForms: this.renderInteractiveForms,
renderer: this.renderer,
useOnlyCssZoom: this.useOnlyCssZoom,
l10n: this.l10n,
});
bindOnAfterAndBeforeDraw(pageView);

7
web/pdf_page_view.js
View File

@ -38,6 +38,8 @@ import { RenderingStates } from './pdf_rendering_queue';
* @property {boolean} renderInteractiveForms - Turns on rendering of
* interactive form elements. The default is `false`.
* @property {string} renderer - 'canvas' or 'svg'. The default is 'canvas'.
* @property {boolean} useOnlyCssZoom - (optional) Enables CSS only zooming.
* The default value is `false`.
* @property {IL10n} l10n - Localization service.
*/
@ -64,6 +66,7 @@ class PDFPageView {
this.hasRestrictedScaling = false;
this.enhanceTextSelection = options.enhanceTextSelection || false;
this.renderInteractiveForms = options.renderInteractiveForms || false;
this.useOnlyCssZoom = options.useOnlyCssZoom || false;
this.eventBus = options.eventBus || getGlobalEventBus();
this.renderingQueue = options.renderingQueue;
@ -218,7 +221,7 @@ class PDFPageView {
}
if (this.canvas) {
if (PDFJS.useOnlyCssZoom ||
if (this.useOnlyCssZoom ||
(this.hasRestrictedScaling && isScalingRestricted)) {
this.cssTransform(this.canvas, true);
@ -517,7 +520,7 @@ class PDFPageView {
let outputScale = getOutputScale(ctx);
this.outputScale = outputScale;
if (PDFJS.useOnlyCssZoom) {
if (this.useOnlyCssZoom) {
let actualSizeViewport = viewport.clone({ scale: CSS_UNITS, });
// Use a scale that makes the canvas have the originally intended size
// of the page.