summaryrefslogtreecommitdiff
path: root/Build/source/libs/cairo/cairo-1.12.14/src/cairo-pdf-surface-private.h
blob: d9f65d80016af5b1e238b3c3d651000c7425198a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
/* cairo - a vector graphics library with display and print output
 *
 * Copyright © 2004 Red Hat, Inc
 * Copyright © 2006 Red Hat, Inc
 * Copyright © 2007, 2008 Adrian Johnson
 *
 * This library is free software; you can redistribute it and/or
 * modify it either under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation
 * (the "LGPL") or, at your option, under the terms of the Mozilla
 * Public License Version 1.1 (the "MPL"). If you do not alter this
 * notice, a recipient may use your version of this file under either
 * the MPL or the LGPL.
 *
 * You should have received a copy of the LGPL along with this library
 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
 * You should have received a copy of the MPL along with this library
 * in the file COPYING-MPL-1.1
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
 * the specific language governing rights and limitations.
 *
 * The Original Code is the cairo graphics library.
 *
 * The Initial Developer of the Original Code is University of Southern
 * California.
 *
 * Contributor(s):
 *	Kristian Høgsberg <krh@redhat.com>
 *	Carl Worth <cworth@cworth.org>
 *	Adrian Johnson <ajohnson@redneon.com>
 */

#ifndef CAIRO_PDF_SURFACE_PRIVATE_H
#define CAIRO_PDF_SURFACE_PRIVATE_H

#include "cairo-pdf.h"

#include "cairo-surface-private.h"
#include "cairo-surface-clipper-private.h"
#include "cairo-pdf-operators-private.h"
#include "cairo-path-fixed-private.h"

typedef struct _cairo_pdf_resource {
    unsigned int id;
} cairo_pdf_resource_t;

#define CAIRO_NUM_OPERATORS (CAIRO_OPERATOR_HSL_LUMINOSITY + 1)

typedef struct _cairo_pdf_group_resources {
    cairo_bool_t  operators[CAIRO_NUM_OPERATORS];
    cairo_array_t alphas;
    cairo_array_t smasks;
    cairo_array_t patterns;
    cairo_array_t shadings;
    cairo_array_t xobjects;
    cairo_array_t fonts;
} cairo_pdf_group_resources_t;

typedef struct _cairo_pdf_source_surface_entry {
    cairo_hash_entry_t base;
    unsigned int id;
    unsigned char *unique_id;
    unsigned long unique_id_length;
    cairo_bool_t interpolate;
    cairo_bool_t stencil_mask;
    cairo_pdf_resource_t surface_res;
    int width;
    int height;
    cairo_rectangle_int_t extents;
} cairo_pdf_source_surface_entry_t;

typedef struct _cairo_pdf_source_surface {
    cairo_pattern_type_t type;
    cairo_surface_t *surface;
    cairo_pattern_t *raster_pattern;
    cairo_pdf_source_surface_entry_t *hash_entry;
} cairo_pdf_source_surface_t;

typedef struct _cairo_pdf_pattern {
    double width;
    double height;
    cairo_rectangle_int_t extents;
    cairo_pattern_t *pattern;
    cairo_pdf_resource_t pattern_res;
    cairo_pdf_resource_t gstate_res;
    cairo_bool_t is_shading;
} cairo_pdf_pattern_t;

typedef enum _cairo_pdf_operation {
    PDF_PAINT,
    PDF_MASK,
    PDF_FILL,
    PDF_STROKE,
    PDF_SHOW_GLYPHS
} cairo_pdf_operation_t;

typedef struct _cairo_pdf_smask_group {
    double		  width;
    double		  height;
    cairo_rectangle_int_t extents;
    cairo_pdf_resource_t  group_res;
    cairo_pdf_operation_t operation;
    cairo_pattern_t	 *source;
    cairo_pdf_resource_t  source_res;
    cairo_pattern_t	 *mask;
    cairo_path_fixed_t	  path;
    cairo_fill_rule_t	  fill_rule;
    cairo_stroke_style_t  style;
    cairo_matrix_t	  ctm;
    cairo_matrix_t	  ctm_inverse;
    char		 *utf8;
    int                   utf8_len;
    cairo_glyph_t	 *glyphs;
    int			  num_glyphs;
    cairo_text_cluster_t *clusters;
    int                   num_clusters;
    cairo_bool_t          cluster_flags;
    cairo_scaled_font_t	 *scaled_font;
} cairo_pdf_smask_group_t;

typedef struct _cairo_pdf_surface cairo_pdf_surface_t;

struct _cairo_pdf_surface {
    cairo_surface_t base;

    /* Prefer the name "output" here to avoid confusion over the
     * structure within a PDF document known as a "stream". */
    cairo_output_stream_t *output;

    double width;
    double height;
    cairo_matrix_t cairo_to_pdf;

    cairo_array_t objects;
    cairo_array_t pages;
    cairo_array_t rgb_linear_functions;
    cairo_array_t alpha_linear_functions;
    cairo_array_t page_patterns;
    cairo_array_t page_surfaces;
    cairo_hash_table_t *all_surfaces;
    cairo_array_t smask_groups;
    cairo_array_t knockout_group;

    cairo_scaled_font_subsets_t *font_subsets;
    cairo_array_t fonts;

    cairo_pdf_resource_t next_available_resource;
    cairo_pdf_resource_t pages_resource;

    cairo_pdf_version_t pdf_version;
    cairo_bool_t compress_content;

    cairo_pdf_resource_t content;
    cairo_pdf_resource_t content_resources;
    cairo_pdf_group_resources_t resources;
    cairo_bool_t has_fallback_images;
    cairo_bool_t header_emitted;

    struct {
	cairo_bool_t active;
	cairo_pdf_resource_t self;
	cairo_pdf_resource_t length;
	long start_offset;
	cairo_bool_t compressed;
	cairo_output_stream_t *old_output;
    } pdf_stream;

    struct {
	cairo_bool_t active;
	cairo_output_stream_t *stream;
	cairo_output_stream_t *mem_stream;
	cairo_output_stream_t *old_output;
	cairo_pdf_resource_t   resource;
	cairo_box_double_t     bbox;
	cairo_bool_t is_knockout;
    } group_stream;

    cairo_surface_clipper_t clipper;

    cairo_pdf_operators_t pdf_operators;
    cairo_paginated_mode_t paginated_mode;
    cairo_bool_t select_pattern_gstate_saved;

    cairo_bool_t force_fallbacks;

    cairo_operator_t current_operator;
    cairo_bool_t current_pattern_is_solid_color;
    cairo_bool_t current_color_is_stroke;
    double current_color_red;
    double current_color_green;
    double current_color_blue;
    double current_color_alpha;

    cairo_surface_t *paginated_surface;
};

#endif /* CAIRO_PDF_SURFACE_PRIVATE_H */