;
; slab.sh
;
; Icon slabbing for Sculptrix
;
; © 1995-1998 Straylight
;

;----- Licensing note -------------------------------------------------------
;
; This file is part of Straylight's Sculptrix.
;
; Sculptrix is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2, or (at your option)
; any later version.
;
; Sculptrix is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with Sculptrix.  If not, write to the Free Software Foundation,
; 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

;----- Overview -------------------------------------------------------------
;
; Functions provided:
;
;  slab_doSlab
;  slab_slab
;  slab_unslab
;  slab_colour

		[	:LNOT::DEF:slab__dfn
		GBLL	slab__dfn

; --- slab_doSlab ---
;
; On entry:	R0 == window handle
;		R1 == icon handle
;		R2 == new background colour for icon
;
; On exit:	R2 == old background colour, or -1
;
; Use:		Low-level slabbing operation.

		IMPORT	slab_doSlab

; --- slab_slab ---
;
; On entry:	R0 == window handle
;		R1 == icon handle
;		R2 == pointer to slab descriptor block
;
; On exit:	--
;
; Use:		Slabs an icon in, and records information for unslabbing.

		IMPORT	slab_slab

; --- slab_unslab ---
;
; On entry:	R2 == pointer to descriptor block
;
; On exit:	--
;
; Use:		Unslabs an icon which was slabbed.

		IMPORT	slab_unslab

; --- slab_colour ---
;
; On entry:	--
;
; On exit:	R2 == slab colour
;
; Use:		Returns the current slabbing colour.

		IMPORT	slab_colour

		]

;----- That's all, folks ----------------------------------------------------

		END