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- /* Copyright (C) 1997, 1998, 1999 Aladdin Enterprises. All rights reserved.
-
- This file is part of AFPL Ghostscript.
-
- AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
- distributor accepts any responsibility for the consequences of using it, or
- for whether it serves any particular purpose or works at all, unless he or
- she says so in writing. Refer to the Aladdin Free Public License (the
- "License") for full details.
-
- Every copy of AFPL Ghostscript must include a copy of the License, normally
- in a plain ASCII text file named PUBLIC. The License grants you the right
- to copy, modify and redistribute AFPL Ghostscript, but only under certain
- conditions described in the License. Among other things, the License
- requires that the copyright notice and this notice be preserved on all
- copies.
- */
-
- /*$Id: gsiparm4.h,v 1.2 2000/09/19 19:00:29 lpd Exp $ */
- /* ImageType 4 image parameter definition */
-
- #ifndef gsiparm4_INCLUDED
- # define gsiparm4_INCLUDED
-
- #include "gsiparam.h"
-
- /*
- * See Section 4.3 of the Adobe PostScript Version 3010 Supplement
- * for a definition of ImageType 4 images.
- */
-
- typedef struct gs_image4_s {
- gs_pixel_image_common;
- /*
- * If MaskColor_is_range is false, the first N elements of
- * MaskColor are sample values; if MaskColor_is_range is true,
- * the first 2*N elements are ranges of sample values.
- *
- * Currently, the largest sample values supported by the library are 12
- * bits, but eventually we want to support DevicePixel images with
- * samples up to 32 bits as well.
- */
- bool MaskColor_is_range;
- uint MaskColor[GS_IMAGE_MAX_COMPONENTS * 2];
- } gs_image4_t;
-
- #define private_st_gs_image4() /* in gximage4.c */\
- extern_st(st_gs_pixel_image);\
- gs_private_st_suffix_add0(st_gs_image4, gs_image4_t, "gs_image4_t",\
- image4_enum_ptrs, image4_reloc_ptrs, st_gs_pixel_image)
-
- /*
- * Initialize an ImageType 4 image. Defaults:
- * MaskColor_is_range = false
- */
- void gs_image4_t_init(P2(gs_image4_t * pim, const gs_color_space * color_space));
-
- #endif /* gsiparm4_INCLUDED */
-