QPx_BrightnessContrastAreaImg
| QPx_BrightnessContrastAreaImg(areaRef; areaRef; areaRef; areaRef):error | |||
|---|---|---|---|
 |
areaRef | Longint | QPix area reference |
|
brightnessAmount | Longint | Brightness amount |
|
contrastAmount | Longint | Contrast amount |
|
selectionOnly | Longint | Filter selection only |
 |
error | Longint | Error result |
Apply the Escape Brightness and Contrast filter to the image in a QPix area
The plug-in area is specified by areaRef. If areaRef is not a valid QPix plug-in area reference, qpx_paramErr is returned.
Parameter brightnessAmount must be in the -100...100 range. A value of 0 means no change.
Parameter contrastAmount must be in the -100...100 range. A value of 0 means no change.
The selectionOnly parameter denotes which posrtion of the image to filter. To filter the entire image, set selectionOnly to 0. To filter the image portion under the selection marquee, set selectionOnly to 1.
Related commands
| QPx_FilterAreaImage | Apply a filter to the image in a QPix area |
| QPx_SharpenAreaImage | Apply the Sharpen filter to the image in a QPix area |
| QPx_BlurAreaImage | Apply the Blur filter to the image in a QPix area |
| QPx_RGBBalanceAreaImage | Apply the RGB Balance filter to the image in a QPix area |
| QPx_HSLBalanceAreaImage | Apply the HSL-Balance filter to the image in a QPix area |