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feat: support fitToPageEnabled and scaleFactor (#20436)

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* fix: support fitToPageEnabled and scaleFactor

Support fitToPageEnabled and scaleFactor in  `WebContents.printToPDF()`

* fix: change default value of scaleFactor
This commit is contained in:
Alecyrus 2019-10-18 08:40:19 +08:00 • committed by Cheng Zhao
parent 19223952a8
commit 825e67140e
1 changed files with 8 additions and 2 deletions
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10
lib/browser/api/web-contents.js
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@ -82,7 +82,7 @@ const defaultPrintingSetting = {
deviceName: 'Save as PDF', deviceName: 'Save as PDF',
generateDraftData: true, generateDraftData: true,
fitToPageEnabled: false, fitToPageEnabled: false,
scaleFactor: 1, scaleFactor: 100,
dpiHorizontal: 72, dpiHorizontal: 72,
dpiVertical: 72, dpiVertical: 72,
rasterizePDF: false, rasterizePDF: false,
@ -208,6 +208,12 @@ WebContents.prototype.printToPDF = function (options) {
if (options.landscape) { if (options.landscape) {
printingSetting.landscape = options.landscape printingSetting.landscape = options.landscape
} }
if (options.fitToPageEnabled) {
printingSetting.fitToPageEnabled = options.fitToPageEnabled
}
if (options.scaleFactor) {
printingSetting.scaleFactor = options.scaleFactor
}
if (options.marginsType) { if (options.marginsType) {
printingSetting.marginsType = options.marginsType printingSetting.marginsType = options.marginsType
} }
@ -242,7 +248,7 @@ WebContents.prototype.printToPDF = function (options) {
} }
// Chromium expects this in a 0-100 range number, not as float // Chromium expects this in a 0-100 range number, not as float
printingSetting.scaleFactor *= 100 printingSetting.scaleFactor = Math.ceil(printingSetting.scaleFactor) % 100
if (features.isPrintingEnabled()) { if (features.isPrintingEnabled()) {
return this._printToPDF(printingSetting) return this._printToPDF(printingSetting)
} else { } else {