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/* Copyright (C) 2001-2021 Artifex Software, Inc.
All Rights Reserved.
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied,
modified or distributed except as expressly authorized under the terms
of the license contained in the file LICENSE in this distribution.
Refer to licensing information at http://www.artifex.com or contact
Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
CA 94945, U.S.A., +1(415)492-9861, for further information.
*/
/* ImageType 3 image parameter definition */
#ifndef gsiparm3_INCLUDED
# define gsiparm3_INCLUDED
#include "gsiparam.h"
/*
* See Section 4.3 of the Adobe PostScript Version 3010 Supplement
* for a definition of ImageType 3 and 4 images.
*/
/*
* If InterleaveType is 3, the data source for the mask is provided as an
* additional data source *before* the data sources for the pixel data. For
* both InterleaveType 2 and 3, the client is responsible for always
* providing mask data before the pixel data that it masks. (The
* implementation does not currently check this, but it should.)
*/
typedef enum {
interleave_chunky = 1,
interleave_scan_lines = 2,
interleave_separate_source = 3
} gs_image3_interleave_type_t;
typedef struct gs_image3_s {
gs_pixel_image_common; /* DataDict */
int InterleaveType;
gs_data_image_t MaskDict;
} gs_image3_t;
#define private_st_gs_image3() /* in gximage3.c */\
gs_private_st_suffix_add0(st_gs_image3, gs_image3_t, "gs_image3_t",\
image3_enum_ptrs, image3_reloc_ptrs, st_gs_pixel_image)
/*
* Initialize an ImageType 3 image.
*/
void gs_image3_t_init(gs_image3_t * pim, gs_color_space * color_space,
gs_image3_interleave_type_t interleave_type);
#endif /* gsiparm3_INCLUDED */
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