## Macro Command Reference

`bcgcolor <n> <c> <c> <c> <BUFFER> [a]`

Defines a specific color for color gradients. `n` is the number of the color in the range from 0 to 5. Dependent on the color mode the three values are RGB or HSB values from 0.0 to 1.0. The color mode can be set with the command `colormode` (0=RGB, 1=HSB). With `a` the alpha value can be defined (default is 1.0).

`BUFFER`

a list of one or more data buffers. Possible values are:

`all` | all buffers in the document
`selected` | selected buffers in the document
`unselected` | unselected buffers in the document
`visible` | visible buffers in the document
`hidden` | hidden buffers in the document
`none` | no buffer
`b1,b2,b3,...,bn` | a list of buffers where the arguments may be math expressions.
`bs..be` | buffers from bs to be