IG_ARTX_hotspot_opacity_set

ImageGear for C and C++ on Windows v19.1 - Updated

IG_ARTX_hotspot_opacity_set

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API Reference Guide > ArtX Component API Reference > ArtX Component Objects Reference > HIG_ARTX_HOTSPOT > IG_ARTX_hotspot_opacity_set

This function updates the value of annotation opacity.

Declaration:

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AT_ERRCOUNT IG_ARTX_hotspot_opacity_set( HIG_ARTX_HOTSPOT hMark, AT_INT nOpacity );

Arguments:

Name	Type	Description
hMark	HIG_ARTX_HOTSPOT	Annotation handle.
nOpacity	AT_INT	New opacity value to set. See Remarks.

Return Value:

Error count.

Supported Raster Image Formats:

This function does not process image pixels.

Remarks:

Valid values are 0 through 255.
An opacity value equal to 0 is transparent.
Any opacity value from 1 to 254 is translucent.
An opacity value equal to 255 is opaque.

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