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slScrPosNbg0,1,2,3

void
Scroll function

slScrTransparent

Transparent display enable set

Format

void slScrTransparent(flag)
Uint16 flag ;

Parameter

flag Flag that specifies the transparency setting

Function

Specify how to handle transparent color for each scroll.
Multiple scroll planes can be specified simultaneously by connecting parameters in the or format.

Return value

None

Remarks

The following parameters can be specified for “flag”.
The scroll plane specified by the parameter draws the 0th character according to the data value, and the scroll plane not specified by the parameter treats the 0th character as transparent and executes drawing on the screen.

Note) The values ​​in the above table are defined in “sl_def.h” included with the system.

Reference: Chapter 8 Scroll

slScrTransparent

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