Epson Moverio Pro BT-2000, Руководство разработчика

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MOVERIO Pro Developer's Guide (Rev.1.4)
88
6.8.11. setContrast

Function
Set the contrast value.

Format

Parameter
None.

Return value
Model Explanation
int Set the contrast value.
For the BT-2000, you can set -3 to +3.

Usage procedure

Remarks

After setting the contrast value in setContrast, be sure to perform setParameters.
Changed content is not reflected until setParameters is executed.
void setContrast (int);
/*Start camera*/
camera = Camera.open();
/*Acquire current parameter (or default value)*/
Camera.Parameters params = camera.getParameters();
/*Acquire the current contrast value.*/
int contrast = params.getContrast();
c+;
/*When the contrast value enters an available setting range, it is
set*/
if (contrast <= params.getSupportedContrastMax() &&
contrast >= params.getSupportedContrastMin() ) {
params.setContrast(contrast);
camera.setParameters(params);
}