1 /* Copyright (C) 1997, 2000 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: gsiparm3.h,v 1.7 2002/06/16 08:45:42 lpd Exp $ */ 18 /* ImageType 3 image parameter definition */ 19 20 #ifndef gsiparm3_INCLUDED 21 # define gsiparm3_INCLUDED 22 23 #include "gsiparam.h" 24 25 /* 26 * See Section 4.3 of the Adobe PostScript Version 3010 Supplement 27 * for a definition of ImageType 3 and 4 images. 28 */ 29 30 /* 31 * If InterleaveType is 3, the data source for the mask is provided as an 32 * additional data source *before* the data sources for the pixel data. For 33 * both InterleaveType 2 and 3, the client is responsible for always 34 * providing mask data before the pixel data that it masks. (The 35 * implementation does not currently check this, but it should.) 36 */ 37 typedef enum { 38 interleave_chunky = 1, 39 interleave_scan_lines = 2, 40 interleave_separate_source = 3 41 } gs_image3_interleave_type_t; 42 typedef struct gs_image3_s { 43 gs_pixel_image_common; /* DataDict */ 44 int InterleaveType; 45 gs_data_image_t MaskDict; 46 } gs_image3_t; 47 48 #define private_st_gs_image3() /* in gximage3.c */\ 49 gs_private_st_suffix_add0(st_gs_image3, gs_image3_t, "gs_image3_t",\ 50 image3_enum_ptrs, image3_reloc_ptrs, st_gs_pixel_image) 51 52 /* 53 * Initialize an ImageType 3 image. 54 */ 55 void gs_image3_t_init(gs_image3_t * pim, const gs_color_space * color_space, 56 gs_image3_interleave_type_t interleave_type); 57 58 #endif /* gsiparm3_INCLUDED */ 59