addDownloadImage method

Adds the display of the image registered in addRegisterDownloadImage method to the command buffer.

Syntax

	addDownloadImage (key1, key2, dotX, dotY, width, height);

Parameter

key1

Value	Description
Integer value from 0 to 255	Specifies keycode 1 indicated in addRegisterDownloadImage method.

key2

Value	Description
Integer value from 0 to 255	Specifies keycode 2 indicated in addRegisterDownloadImage method.

dotX

Specifies the x-coordinate of the image display position, with the top left of the customer display as the origin.

Value	Description
Integer value from 0 to 799	Effective specification range during landscape orientation
Integer value from 0 to 479	Effective specification range during portrait orientation

dotY

Specifies the y-coordinate of the image display position, with the top left of the customer display as the origin.

Value	Description
Integer value from 0 to 479	Effective specification range during landscape orientation
Integer value from 0 to 799	Effective specification range during portrait orientation

width

Value	Description
Integer value from 0 to 1440	Specifies the width display size (in dots) of the image

height

Value	Description
Integer value from 0 to 1440	Specifies the height display size (in dots) of the image

Return value

Return value	Object type
Display object	Display

Exception

Return value	Object type
Parameter " ... " is invalid	Error

Supplementary explanation

Can be used when the layout is specified in addCreateScreenCustom method.
To display in the size of the original image, specify 0 in both the width and height parameters.
The image is not displayed if it does not fit into the display area.
The image specified by this API is displayed in front of the text or image being displayed during the execution of the API.
When using a transmission image, use data in the png format.

Quick Access

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[Notes]

Epson ePOS SDK includes patented or patent pending functions. The contents must not be disclosed to third parties.

Epson ePOS SDK for JavaScript

Introduction
help
ePOSDevice object
Common to device objects
- callEvent method
OtherPeripheral object
- send method
- onreceive event
Display object
Keyboard object
POSKeyboard object
- onkeypress event
MSR object
- ondata event
Printer object
HybridPrinter2 object
Scanner object
- ondata event
SimpleSerial object
- sendCommand
- oncommandreply event
GermanyFiscalElement object
- operate method
- ongfereceive event
DeviceHubTerminal object
- shutdown method
- restart method
CommBoxManager object
- openCommBox method
- closeCommBox method
CommBox object
ePosDeviceConfiguration object
- Constructor
- getRegisterdDevices method
Appendix
- Error Code List
  - Error Codes acquired in the Callback Parameter and Counteractions
  - Error Codes acquired in the Onreceive Event and Countermeasure
- Key code list
- List of Supported Objects
- List of Supported APIs
- Printer-specific Support Information
  - TM-m10
  - TM-m30
  - TM-m30II
  - TM-m30II-H
  - TM-m30II-NT
  - TM-m30II-S
  - TM-m30II-SL
  - TM-m30III
  - TM-m30III-H
  - TM-m50
  - TM-m50II
  - TM-m50II-H
  - TM-T20II
  - TM-T20III
  - TM-T82III
  - TM-T88VI
  - TM-T88VII
  - TM-L100
  - TM-T70
  - TM-T70II
  - TM-T88IV
  - TM-T88V
  - TM-U220
  - TM-U220II
  - TM-U330
  - TM-P20
  - TM-P20II
  - TM-P60II (Receipt)
  - TM-P60II (Peeler)
  - TM-P80
  - TM-P80II
  - TM-H6000V
  - TM-T20II-i
  - TM-T70-i
  - TM-T82II-i
  - TM-T83II-i
  - TM-T88V-i
  - TM-T88VI-iHUB
  - TM-U220-i
  - TM-U220IIB-i
  - TM-T70II-DT
  - TM-T70II-DT2
  - TM-T88V-DT
  - TM-T88VI-DT2
  - TM-H6000IV-DT
  - TM-T20
  - TM-T82II
  - TM-T83II
  - TM-T90
  - TM-L90
  - TM-H6000IV
- Usage restriction by firmware version