This function sets the annotation opacity.
Declaration:
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AT_ERRCOUNT ACCUAPI IG_ARTX_text_opacity_set(
HIG_ARTX_TEXT hMark,
AT_INT nOpacity
);
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Arguments:
| hMark | Annotation handle. |
| nOpacity | The new Opacity value to assign. |
Return Value:
Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.
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.