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/* Copyright (C) 2000 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: gximag3x.h,v 1.7 2002/06/16 08:55:53 lpd Exp $ */
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/* ImageType 3x internal API */
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#ifndef gximag3x_INCLUDED
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# define gximag3x_INCLUDED
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#include "gsipar3x.h"
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#include "gxiparam.h"
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/*
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* The machinery for splitting an ImageType3 image into pixel and mask data
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* is used both for imaging per se and for writing high-level output.
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* We implement this by making the procedures for setting up the mask image
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* and clipping devices virtual.
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*/
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/*
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* Make the mask image device -- the device that processes mask bits.
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* The device is closed and freed at the end of processing the image.
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*/
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#define IMAGE3X_MAKE_MID_PROC(proc)\
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int proc(gx_device **pmidev, gx_device *dev, int width, int height,\
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int depth, gs_memory_t *mem)
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typedef IMAGE3X_MAKE_MID_PROC((*image3x_make_mid_proc_t));
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/*
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* Make the mask clip device -- the device that uses the mask image to
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* clip the (opaque) image data -- and its enumerator.
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* The device is closed and freed at the end of processing the image.
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*/
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#define IMAGE3X_MAKE_MCDE_PROC(proc)\
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int proc(/* The initial arguments are those of begin_typed_image. */\
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gx_device *dev,\
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const gs_imager_state *pis,\
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const gs_matrix *pmat,\
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const gs_image_common_t *pic,\
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const gs_int_rect *prect,\
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const gx_drawing_color *pdcolor,\
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const gx_clip_path *pcpath, gs_memory_t *mem,\
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gx_image_enum_common_t **pinfo,\
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/* The following arguments are added. */\
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gx_device **pmcdev, gx_device *midev[2],\
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gx_image_enum_common_t *pminfo[2],\
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const gs_int_point origin[2],\
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const gs_image3x_t *pim)
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typedef IMAGE3X_MAKE_MCDE_PROC((*image3x_make_mcde_proc_t));
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/*
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* Begin processing an ImageType 3x image, with the mask device creation
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* procedures as additional parameters.
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*/
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int gx_begin_image3x_generic(gx_device * dev,
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const gs_imager_state *pis,
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const gs_matrix *pmat,
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const gs_image_common_t *pic,
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const gs_int_rect *prect,
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const gx_drawing_color *pdcolor,
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const gx_clip_path *pcpath, gs_memory_t *mem,
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IMAGE3X_MAKE_MID_PROC((*make_mid)),
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IMAGE3X_MAKE_MCDE_PROC((*make_mcde)),
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gx_image_enum_common_t **pinfo);
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#endif /* gximag3x_INCLUDED */
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