QPx_RGBBalancePicture
QPx_RGBBalancePicture(pictVar; pictVar; pictVar; pictVar):error | |||
---|---|---|---|
![]() |
pictVar | Picture | Picture variable |
![]() |
redAmount | Longint | Red amount |
![]() |
greenAmount | Longint | Green amount |
![]() |
blueAmount | Longint | Blue amount |
![]() |
error | Longint | Error result |
Apply the "RGB Balance" filter to a picture
The source picture is passed in the pictVar parameter. The source picture may be compressed or uncompressed. The filtered picture is also returned in the pictVar parameter and is always uncompressed. If an error occurs, pictVar is set to an empty picture.
Parameter redAmount must be in the 0...200 range. A value of 100 means no change.
Parameter greenAmount must be in the 0...200 range. A value of 100 means no change.
Parameter blueAmount must be in the 0...200 range. A value of 100 means no change.
Related commands
QPx_FilterPicture | Apply a filter to a picture |
QPx_BrightnessContrastPicture | Apply the "Escape Brightness and Contrast" filter to a picture |
QPx_SharpenPicture | Apply the "Sharpen" filter to a picture |
QPx_BlurPicture | Apply the "Blur" filter to a picture |
QPx_HSLBalancePicture | Apply the "HSL Balance" filter to a picture |