Marblecore Imaging Library Documentation

Documentation Introduction
Documentation / Marblecore Imaging / Methods / AdjustHueSaturation

AdjustHueSaturation method

Adjusts the hue and/or saturation of the image by a certain amount.

Syntax

Boolean AdjustHueSaturation(nHue As Number, nSaturation As Number, nLightness As Number, nLeft As Number, nTop As Number, nWidth As Number, nHeight As Number)

Return value

Returns true if the function succeeded.

Parameters

ParameterTypeRequiredDescription
nHueNumberYesThe amount of the hue adjustment ranging from -180...180.
nSaturationNumberYesThe amount of the saturation adjustment ranging from -100%...100%.
nLightnessNumberNoOptional parameter which specifies the amount of lightness adjustment ranging from -100%...100%.
nLeftNumberNoOptional parameter which can be used to specify a clipping rectangle. This parameter specifies the left coordinate of the rectangle.
nTopNumberNoOptional parameter which can be used to specify a clipping rectangle. This parameter specifies the top coordinate of the rectangle.
nWidthNumberNoOptional parameter which can be used to specify a clipping rectangle. This parameter specifies the width of the rectangle.
nHeightNumberNoOptional parameter which can be used to specify a clipping rectangle. This parameter specifies the height of the rectangle.

Example

The example below shows the effect of this method and how to use it. You can slide the marker in the before/after picture to see the difference. If you take a look at the example code, assume there is a reference to the Marblecore Imaging object with the name 'MarblecoreImaging'. Transparent parts of the image are displayed using a checkerboard pattern.
 
before
after
 
1 // Load the specified image in memory
2 MarblecoreImaging.LoadFromFile("example-adjusthuesaturation-before.jpg");
3 
4 // Execute the operation
5 MarblecoreImaging.AdjustHueSaturation(60, 25);
6 
7 // Save the modified image to the specified file
8 MarblecoreImaging.SaveToFile("example-adjusthuesaturation-after.jpg");

Category

Color adjustments

See also

AdjustBrightness | AdjustColorBalance | AdjustColorLevel | AdjustContrast | AdjustGamma | AdjustHue | AdjustLightness | AdjustRGB | AdjustSaturation