anymap-yres

Synopsis

(anymap-yres anymap)

Parameters

  • anymap: Either a bitmap, a greymap or a colormap

Description

The procedures bitmap-yres, greymap-yres and colormap-yres are aliases being bound to this primitive procedure for compatibilty.

Side Effects

Return Value

The Y-resolution of the anymap is returned as an inexact float (-1.0 if undefined or unknown).

Example

> (define bitmap (bitmap-create 100 100))
bitmap
> (anymap-yres bitmap)
-1.0