mergeLab
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L, A, B
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Integers between 0 and 116 specifying the frame numbers of the Lightness, Red/Green and Yellow/Blue component images respectively. A value of 0 represents the DMA memory buffer of the video device. Values in the range of 100-116 correspond to hidden frames.
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Output
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An integer between 1 and 116 specifying the frame number of the output RGB image. Values in the range of 100-116 correspond to hidden frames.
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ERR_OK
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The flag set if successful.
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ERR_FAILED
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The flag set if failed.
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This set of statements changes the color tone of an RGB image by splitting it into the LAB components, offsetting all the pixels in the A component by a value of +32 and then merging the components back into an RGB image.
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L=101
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a=102
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b=103
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Off=32
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setCurDir("samples")
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loadIm (1,"sample14.iwd")
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splitLab (1, L, a, b)
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offsetIm (a, a, Off, M_CLIP)
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mergeLab (L, a, b, 2)
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For more information on the Lab color space see setColorSpace.
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