Raptor:Display Screen Definition: Difference between revisions
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Revision as of 13:26, 7 July 2014
Return to the main Raptor page
Return to Screen Functions page
Description
This block is used to define a screen on the Veecan display. The output functions are called automatically when the screen is loaded or active.
Inputs
| Input | Type | Description |
|---|
Outputs
| Output | Type | Description |
|---|---|---|
| Init() | FnCall | This function is called once when the screen is entered. |
| Create_Background() | FnCall | This function is called when the screen is entered or if the screen was invalidated. It should draw the static elements of the screen. |
| Update_Foreground() | FnCall | This function is called regularly when the screen is active to update the dynamic elements of the screen. |
| IsCurrentScreen | boolean | Output indicates if this screen is the current screen. |
Parameters
| Parameter | Type | Description |
|---|---|---|
| Screen Name | String | Name of screen being defined. |