render:background
List of: Scheme Extensions
Subjects: Backgrounds and Foregrounds, Rendering Control
Contents: Rendering Base

Action: Gets the current background.

Filename: rbase/rnd_scm/bkgd_scm.cxx

APIs: api_rh_get_background

Syntax: (render:background)

Arg Types: None

Returns: background | boolean

Description: This extension returns the current background. If there is no current background active, it returns boolean#f.

Example: ; render:background

; Create a solid block.

(define block1


(solid:block (position -30 -30 -30)


(position 0 0 0)))

;; block1

; Create a "clouds" background.

(define back1 (background "clouds"))

;; back1

; Set the background.

(render:set-background back1)

;; ()

; Get the current background.

(render:background)

;; #[entity 3 1]

(render)

;; ()

; OUTPUT Example


Figure 3-11. render:background
PDF/RBASE/03SCM.PDF
HTM/DATA/RBASE/RBASE/03SCM/0030.HTM