QPx_HSLBalancePicture

QPx_HSLBalancePicture(pictVar; hueAmount; saturationAmount; lightnessAmount):error
pictVar Picture Picture variable
hueAmount Longint Hue amount
saturationAmount Longint Saturation amount
lightnessAmount Longint Lightness amount
error Longint Error result

Applies the "HSL 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 it is always uncompressed. If an error occurs, pictVar is set to an empty picture.

Parameter hueAmount must be in the -60 ... 60 range. A value of 0 means no change to the picture's hue.

Parameter saturationAmount must be in the 0 ... 200 range. A value of 100 means no change to the picture's saturation.

Parameter lightnessAmount must be in the 0 ... 200 range. A value of 100 means no change to the picture's lightness.

Related commands

QPx_FilterPicture Applies a filter to a picture
QPx_BrightnessContrastPicture Applies the "Escape Brightness and Contrast" filter to a picture
QPx_SharpenPicture Applies the "Sharpen" filter to a picture
QPx_BlurPicture Applies the "Blur" filter to a picture
QPx_RGBBalancePicture Applies the "RGB Balance" filter to a picture

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