Method gcolbga
| Improve this Doc View Sourcegcolbga(out Int32, out Int32, out Int32, out Double)
plgcolbga: Returns the background color (cmap0[0]) by 8-bit RGB value and PLFLT alpha transparency value
Declaration
public void gcolbga(out Int32 r, out Int32 g, out Int32 b, out Double alpha)
Parameters
Type | Name | Description |
---|---|---|
Int32 | r | Returned value of the red intensity in the range from 0 to 255. |
Int32 | g | Returned value of the green intensity in the range from 0 to 255. |
Int32 | b | Returned value of the blue intensity in the range from 0 to 255. |
Double | alpha | Returned value of the alpha transparency in the range (0.0-1.0). |
Remarks
Returns the background color (cmap0[0]) by 8-bit RGB value and PLFLT alpha transparency value.