2.2.3.7 HueSaturationLightnessEffect Object
The HueSaturationLightnessEffect object specifies adjustments to the hue, saturation, and lightness of an image.
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HueLevel |
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SaturationLevel |
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LightnessLevel |
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HueLevel (4 bytes): The adjustment to the hue.
-
Value
Meaning
-180 ≤ value < 0
Negative values specify clockwise rotation on the color wheel.
0
A value of 0 specifies that the hue MUST NOT change.
0 < value ≤ 180
Positive values specify counter-clockwise rotation on the color wheel.
SaturationLevel (4 bytes): The adjustment to the saturation.
-
Value
Meaning
-100 ≤ value < 0
Negative values specify decreasing saturation.
0
A value of 0 specifies that the saturation MUST NOT change.
0 < value ≤ 100
Positive values specify increasing saturation.
LightnessLevel (4 bytes): The adjustment to the lightness.
-
Value
Meaning
-100 ≤ value < 0
Negative values specify decreasing lightness.
0
A value of 0 specifies that the lightness MUST NOT change.
0 < value ≤ 100
Positive values specify increasing lightness.
Bitmap images are specified by EmfPlusBitmap objects (section 2.2.2.2).
See section 2.2.3 for the specification of additional image effects parameter objects.