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addDownloadImage
Adds the display of the image registered in addRegisterDownloadImage to the command buffer.
Syntax
- (int) addDownloadImage:(long)key1 key2:(long)key2 dotX:(long)dotX dotY:(long)dotY width:(long)width height:(long)height; |
Parameter
key1
Specifies keycode 1 indicated in addRegisterDownloadImage.
Value |
Description |
---|---|
Integer from 0 to 255 |
Keycode 1 |
key2
Specifies keycode 2 indicated in addRegisterDownloadImage.
Value |
Description |
---|---|
Integer from 0 to 255 |
Keycode 2 |
dotX
Specifies the x-coordinate of the image display position, with the top left of the customer display as the origin.
Value |
Description |
---|---|
Integer from 0 to 799 |
Effective specification range during landscape orientation |
Integer 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 from 0 to 479 |
Effective specification range during landscape orientation |
Integer from 0 to 799 |
Effective specification range during portrait orientation |
width
Specifies the width display size (in dots) of the image.
Value |
Description |
---|---|
Integer from 0 to 1440 |
Width display size (in dots) of the image |
height
Specifies the height display size (in dots) of the image.
Value |
Description |
---|---|
Integer from 0 to 1440 |
Height display size (in dots) of the image |
Return value
Error status |
Description |
---|---|
EPOS2_SUCCESS |
The function was executed successfully. |
EPOS2_ERR_PARAM |
An invalid parameter was passed. |
EPOS2_ERR_MEMORY |
Sufficient memory required for processing could not be allocated. |
EPOS2_ERR_FAILURE |
An unknown error occurred. |
Supplementary explanation
- Can be used when the layout is specified in addCreateScreenCustom.
- 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
- Syntax
- Parameter
- Return value
- Supplementary explanation
- Introduction
- help
- Epos2LineDisplay class
- initWithDisplayModel
- connect
- disconnect
- getStatus
- sendData
- clearCommandBuffer
- addInitialize
- addCreateWindow
- addDestroyWindow
- addSetCurrentWindow
- addClearCurrentWindow
- addCreateScreen
- addCreateScreenCustom
- addCreateTextArea
- addDestroyTextArea
- addSetCurrentTextArea
- addClearCurrentTextArea
- addSetCursorPosition
- addMoveCursorPosition
- addSetCursorType
- addText
- addReverseText
- addMarqueeText
- addSetBlink
- addSetBrightness
- addBackgroundColor
- addStartSlideShow
- addStopSlideShow
- addDownloadImage
- addRegisterDownloadImage
- addNVImage
- addClearImage
- addSymbol
- addClearSymbol
- addShowClock
- addCommand
- setReceiveEventDelegate