1 /* Copyright (C) 1997, 1998 Aladdin Enterprises. All rights reserved. 2 3 This software is provided AS-IS with no warranty, either express or 4 implied. 5 6 This software is distributed under license and may not be copied, 7 modified or distributed except as expressly authorized under the terms 8 of the license contained in the file LICENSE in this distribution. 9 10 For more information about licensing, please refer to 11 http://www.ghostscript.com/licensing/. For information on 12 commercial licensing, go to http://www.artifex.com/licensing/ or 13 contact Artifex Software, Inc., 101 Lucas Valley Road #110, 14 San Rafael, CA 94903, U.S.A., +1(415)492-9861. 15 */ 16 17 /* $Id: gxhttype.h,v 1.4 2002/02/21 22:24:53 giles Exp $ */ 18 /* Client halftone type enumeration */ 19 20 #ifndef gxhttype_INCLUDED 21 # define gxhttype_INCLUDED 22 23 /* Halftone types */ 24 typedef enum { 25 ht_type_none, /* is this needed? */ 26 ht_type_screen, /* set by setscreen */ 27 ht_type_colorscreen, /* set by setcolorscreen */ 28 ht_type_spot, /* Type 1 halftone dictionary */ 29 ht_type_threshold, /* Type 3 halftone dictionary */ 30 ht_type_threshold2, /* Extended Type 3 halftone dictionary */ 31 /* (Type 3 with either 8- or 16-bit */ 32 /* samples, bytestring instead of string */ 33 /* thresholds, and 1 or 2 rectangles) */ 34 ht_type_multiple, /* Type 5 halftone dictionary */ 35 ht_type_multiple_colorscreen, /* Type 5 halftone dictionary */ 36 /* created from Type 2 or Type 4 */ 37 /* halftone dictionary */ 38 ht_type_client_order /* client-defined, creating a gx_ht_order */ 39 } gs_halftone_type; 40 41 #endif /* gxhttype_INCLUDED */ 42