Epson TM-T70-i ePOS-Print API Users Manual For TM-i firmware 4.1 - Page 232
Rendering Barcode (canvas-print-barcode.html
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Rendering Barcode (canvas-print-barcode.html) Draw a barcode in HTML5 Canvas and perform a test print. In the following example, an EAN13, JAN13 or UPC-A is drawn. 1 2 3 4 1 Open the following URL page using the Web browser. http://[Web server IP address]/canvas/canvas-print-barcode.html 2 "EPSON ePOS-Print Sample Program" appears. Set items on the right of the page. The following items can be set: Item Position Module Size Data Clear Reset Description Specify the rendering coordinates. Specify the width and height of the bars. Specify EAN13 (JAN13) data. For 12-digit numerical data, calculate and add the check digit. For 13-digit numerical data, verify the check digit. For UPC-A data, add 0 at the start of the string to make it 12-or 13digit data. Clears the image drawn in the Canvas. Clears the image drawn in the Canvas. In addition, the settings are reset to their default values. 232