220 lines
7.9 KiB
Markdown
220 lines
7.9 KiB
Markdown
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<p align="left">
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<b><a href="https://github.com/katzer/cordova-plugin-printer/blob/example/README.md">SAMPLE APP</a> :point_right:</b>
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</p>
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# Cordova Print Plugin <br> [](http://badge.fury.io/js/cordova-plugin-printer) [](https://opensource.org/licenses/Apache-2.0) [](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=L3HKQCD9UA35A "Donate once-off to this project using Paypal")
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<img width="280px" align="right" hspace="20" vspace="10" src="https://github.com/katzer/cordova-plugin-printer/blob/example/images/print-ios.png">
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Plugin for [Cordova][cordova] to print documents or photos from iOS, Android and Windows Universal apps.
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### Supported Printer Interfaces
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- Apple AirPrint
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- Android Print
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- Windows Print
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### Supported Content
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- HTML
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- Text
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- Base64
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- Images
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- PDF
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### Supported Platforms
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- Android 4.4+
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- iOS 10+
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- Windows 10 UWP
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## Basics
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The plugin creates the object `cordova.plugins.printer` and is accessible after the *deviceready* event has been fired.
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```js
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document.addEventListener('deviceready', function () {
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// cordova.plugins.printer is now available
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}, false);
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```
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Print a screenshot of the web view:
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```javascript
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cordova.plugins.printer.print();
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```
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Plain text:
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```javascript
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cordova.plugins.printer.print("Hello\nWorld!");
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```
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HTML & CSS:
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```javascript
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cordova.plugins.printer.print('<h1>Hello World!</h1>');
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```
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Images, PDF and other documents:
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```javascript
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cordova.plugins.printer.print('file://img/logo.png');
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```
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Base64 encoded content:
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```javascript
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cordova.plugins.printer.print('base64://...');
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```
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## Formatting
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It's possible to pass format options to the print method that overrides the defaults:
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```javascript
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cordova.plugins.printer.print(content, options, callback);
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```
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The defaults are defined as follows:
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```javascript
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cordova.plugins.printer.setDefaults({ monochrome: true });
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```
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The list of possible options depend on the platform, the content type and the capabilities of the printer.
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| Name | Description | Type | Platform |
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|:---- |:----------- |:----:| --------:|
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| name | The name of the print job and of the document. | String | all |
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| copies | The number of copies for the print task. | Number | iOS<br>Windows |
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| pageCount | Limits the pages to print even the document contains more.<br>To skip the last n pages you can assign a negative value on iOS. | Number | iOS<br>Android |
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| duplex | Either double-sided on short site (duplex:'short'), double-sided on long site (duplex:'long') or single-sided (duplex:'none'). | String | all |
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| landscape| The orientation of the printed content, portrait or landscape. | Boolean | all |
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| monochrome | If your application only prints black text, setting this property to _true_ can result in better performance in many cases. | Boolean | all |
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| photo | Set to _true_ to change the media type to photography for higher quality. | Boolean | iOS<br>Windows |
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| printer | The network URL to the printer. | String | iOS |
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| maxHeight<br>maxWidth | Defines the maximum size of the content area. | Unit | iOS |
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| margin.top<br>margin.left<br>margin.right<br>margin.bottom | The margins for each printed page. Each printer might have its own minimum margins depends on media type and paper format. | Unit | iOS |
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| ui.hideNumberOfCopies | Set to _true_ to hide the control for the number of copies. | Boolean | iOS |
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| ui.hidePaperFormat | Set to _true_ to hide the control for the paper format. | Boolean | iOS |
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| ui.top<br>ui.left | The position of the printer picker. | Number | iPad |
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| ui.height<br>ui.width | The size of the printer picker. | Number | iPad |
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| paper.width<br>paper.height | The dimensions of the paper – iOS will will try to choose a format which fits bests. | Unit | iOS |
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| paper.name | The name of the format like `IsoA4` or `Roll22Inch`.<br>https://docs.microsoft.com/en-us/uwp/api/windows.graphics.printing.printmediasize | String | Windows |
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| paper.length | On roll-fed printers you can decide when the printer cuts the paper. | Unit | iOS |
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| font.name | The name of the font family | String | iOS |
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| font.size | The size of the font | Number | iOS<br>Android |
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| font.italic<br>font.bold | Set to _true_ to enable these font traits. | Boolean | iOS |
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| font.align | Possible alignments are `left`, `right`, `center` and `justified`. | String | iOS |
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| font.color | The color of the font in hexa-decimal RGB format - `"FF0000"` means red. | String | iOS |
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| header.height<br>footer.height | The height of the header or footer on each page. | Unit | iOS |
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| header.labels<br>footer.labels | An array of labels to display. Only use if there are more then one. | Array | iOS |
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| header.label.text<br>footer.label.text | The plain text to display. Use `%ld` to indicate where to insert the page index.<br>For example `"Page %ld"` would result into `"Page 1"`, `"Page 2"`, ... | String | iOS |
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| header.label.top<br>header.label.right<br>header.label.left<br>header.label.bottom<br>footer.label.* | The relative position where to place the label within the footer or header area. | Unit | iOS |
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| header.label.font<br>footer.label.font | The font attributes for the label. | Object | iOS |
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| header.label.showPageIndex<br>footer.label.showPageIndex | Set to _true_ if you want to display the page index.<br> | Boolean | iOS |
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The `Unit` type can be either a (float) number or a string with a special suffix.
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- Supported unit suffixes are `in` for inches, `mm` for millimeters, `cm` for centimeters and `pt` for points
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- `"2in"` are two inches whereas `2.0` or `"2.0pt"` are identical for two points
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- One inch are 72.0 points
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## Direct Print
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For iOS its possible to send the content directly to the printer without any dialog. Todo so pass the network URL as an option:
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```javascript
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cordova.plugins.printer.print(content, { printer: 'ipp://...' });
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```
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To let the user pick an available printer:
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```javascript
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cordova.plugins.printer.pick(function (url) {});
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```
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It's possible to specify the position of the picker:
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```javascript
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cordova.plugins.printer.pick({ top: 40, left: 30 }, callback);
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```
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__Note:__ By passing an invalid URL, the application will throw an `Unable to connect to (null)` exception and possibly crash.
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## Printable Document Types
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The list of supported document types differ between mobile platforms. As of writing, Windows UWP only supports HTML and plain text.
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To get a list of all printable document types:
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```javascript
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cordova.plugins.printer.getPrintableTypes(callback);
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```
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To check if printing is supported in general:
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```javascript
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cordova.plugins.printer.canPrintItem(callback);
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```
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Or in articular:
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```javascript
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cordova.plugins.printer.canPrintItem('file://css/index.css', callback);
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```
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## Installation
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The plugin can be installed via [CLI][CLI] and is publicly available on [NPM][npm].
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Execute from the projects root folder:
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$ cordova plugin add cordova-plugin-printer
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Or install a specific version:
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$ cordova plugin add cordova-plugin-printer@VERSION
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Or install the latest head version:
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$ cordova plugin add https://github.com/katzer/cordova-plugin-printer.git
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Or install from local source:
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$ cordova plugin add <path> --nofetch --nosave
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Then execute:
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cordova build
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## Contributing
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1. Fork it
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2. Create your feature branch (`git checkout -b my-new-feature`)
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3. Commit your changes (`git commit -am 'Add some feature'`)
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4. Push to the branch (`git push origin my-new-feature`)
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5. Create new Pull Request
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## License
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This software is released under the [Apache 2.0 License][apache2_license].
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Made with :yum: from Leipzig
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© 2013 [appPlant GmbH][appplant]
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[cordova]: https://cordova.apache.org
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[CLI]: http://cordova.apache.org/docs/en/edge/guide_cli_index.md.html#The%20Command-line%20Interface
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[npm]: https://www.npmjs.com/package/cordova-plugin-printer
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[apache2_license]: http://opensource.org/licenses/Apache-2.0
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[appplant]: www.appplant.de
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