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Add page size to the document properties dialog

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palsch 2018-03-08 18:23:47 +01:00
parent 5f98f9b8f1
commit 8558c5b1d9
5 changed files with 69 additions and 2 deletions
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17
src/display/api.js
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@ -626,6 +626,23 @@ var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
getMetadata: function PDFDocumentProxy_getMetadata() {
return this.transport.getMetadata();
},
/**
* @param {number} pageNumber The page number to get the page size from.
* The first page is 1, which is also the default page used.
* @return {Promise} A promise that is resolved with an dict containing the
* width and height in inches.
*/
getPageSizeInches(pageNumber) {
pageNumber = pageNumber || 1;
return this.getPage(pageNumber).then((page) => {
const [x1, y1, x2, y2] = page.view;
// convert values from user units to inches
return {
width: (x2 - x1) / 72 * page.userUnit,
height: (y2 - y1) / 72 * page.userUnit,
};
});
},
/**
* @return {Promise} A promise that is resolved with a TypedArray that has
* the raw data from the PDF.