ZenBrowserMirrors/pdf.js
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Allow loading pdf fonts into another document.

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This commit is contained in:
Jonathan Grimes 2020-07-27 17:22:45 +00:00
parent fea40442f7
commit ac723a1760
5 changed files with 166 additions and 19 deletions
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15
src/display/api.js
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@ -163,6 +163,9 @@ function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
* parsed font data from the worker-thread. This may be useful for debugging
* purposes (and backwards compatibility), but note that it will lead to
* increased memory usage. The default value is `false`.
* @property {HTMLDocument} [ownerDocument] - Specify an explicit document
* context to create elements with and to load resources, such as fonts,
* into. Defaults to the current document.
* @property {boolean} [disableRange] - Disable range request loading of PDF
* files. When enabled, and if the server supports partial content requests,
* then the PDF will be fetched in chunks. The default value is `false`.
@ -282,6 +285,9 @@ function getDocument(src) {
if (typeof params.disableFontFace !== "boolean") {
params.disableFontFace = apiCompatibilityParams.disableFontFace || false;
}
if (typeof params.ownerDocument === "undefined") {
params.ownerDocument = globalThis.document;
}
if (typeof params.disableRange !== "boolean") {
params.disableRange = false;
@ -976,9 +982,10 @@ class PDFDocumentProxy {
* Proxy to a `PDFPage` in the worker thread.
*/
class PDFPageProxy {
constructor(pageIndex, pageInfo, transport, pdfBug = false) {
constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {
this._pageIndex = pageIndex;
this._pageInfo = pageInfo;
this._ownerDocument = ownerDocument;
this._transport = transport;
this._stats = pdfBug ? new StatTimer() : null;
this._pdfBug = pdfBug;
@ -1111,7 +1118,9 @@ class PDFPageProxy {
intentState.streamReaderCancelTimeout = null;
}
const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory();
const canvasFactoryInstance =
canvasFactory ||
new DefaultCanvasFactory({ ownerDocument: this._ownerDocument });
const webGLContext = new WebGLContext({
enable: enableWebGL,
});
@ -2028,6 +2037,7 @@ class WorkerTransport {
this.fontLoader = new FontLoader({
docId: loadingTask.docId,
onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
ownerDocument: params.ownerDocument,
});
this._params = params;
this.CMapReaderFactory = new params.CMapReaderFactory({
@ -2484,6 +2494,7 @@ class WorkerTransport {
pageIndex,
pageInfo,
this,
this._params.ownerDocument,
this._params.pdfBug
);
this.pageCache[pageIndex] = page;