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/* Copyright (C) 2001 artofcode LLC. 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: gdevp14.h,v 1.4 2005/03/14 18:08:36 dan Exp $ */
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/* Definitions and interface for PDF 1.4 rendering device */
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#ifndef gdevp14_INCLUDED
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# define gdevp14_INCLUDED
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typedef enum {
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DeviceGray = 0,
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DeviceRGB = 1,
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DeviceCMYK = 2
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} pdf14_default_colorspace_t;
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typedef struct pdf14_buf_s pdf14_buf;
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typedef struct pdf14_ctx_s pdf14_ctx;
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struct pdf14_buf_s {
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pdf14_buf *saved;
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bool isolated;
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bool knockout;
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byte alpha;
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byte shape;
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gs_blend_mode_t blend_mode;
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bool has_alpha_g;
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bool has_shape;
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gs_int_rect rect;
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/* Note: the traditional GS name for rowstride is "raster" */
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/* Data is stored in planar format. Order of planes is: pixel values,
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alpha, shape if present, alpha_g if present. */
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int rowstride;
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int planestride;
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int n_chan; /* number of pixel planes including alpha */
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int n_planes; /* total number of planes including alpha, shape, alpha_g */
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byte *data;
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byte *transfer_fn;
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gs_int_rect bbox;
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};
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struct pdf14_ctx_s {
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pdf14_buf *stack;
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pdf14_buf *maskbuf;
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gs_memory_t *memory;
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gs_int_rect rect;
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bool additive;
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int n_chan;
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};
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typedef struct pdf14_device_s {
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gx_device_forward_common;
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pdf14_ctx *ctx;
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float opacity;
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float shape;
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float alpha; /* alpha = opacity * shape */
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gs_blend_mode_t blend_mode;
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const gx_color_map_procs *(*save_get_cmap_procs)(const gs_imager_state *,
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const gx_device *);
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gx_device_color_info saved_clist_color_info;
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} pdf14_device;
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int gs_pdf14_device_push(gs_memory_t *mem, gs_imager_state * pis,
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gx_device * * pdev, gx_device * target);
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int send_pdf14trans(gs_imager_state * pis, gx_device * dev,
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gx_device * * pcdev, gs_pdf14trans_params_t * pparams, gs_memory_t * mem);
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#endif /* gdevp14_INCLUDED */
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