1 /* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
2 /* cairo - a vector graphics library with display and print output
4 * Copyright © 2004 Red Hat, Inc
5 * Copyright © 2006 Red Hat, Inc
6 * Copyright © 2007, 2008 Adrian Johnson
8 * This library is free software; you can redistribute it and/or
9 * modify it either under the terms of the GNU Lesser General Public
10 * License version 2.1 as published by the Free Software Foundation
11 * (the "LGPL") or, at your option, under the terms of the Mozilla
12 * Public License Version 1.1 (the "MPL"). If you do not alter this
13 * notice, a recipient may use your version of this file under either
14 * the MPL or the LGPL.
16 * You should have received a copy of the LGPL along with this library
17 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
19 * You should have received a copy of the MPL along with this library
20 * in the file COPYING-MPL-1.1
22 * The contents of this file are subject to the Mozilla Public License
23 * Version 1.1 (the "License"); you may not use this file except in
24 * compliance with the License. You may obtain a copy of the License at
25 * http://www.mozilla.org/MPL/
27 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
28 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
29 * the specific language governing rights and limitations.
31 * The Original Code is the cairo graphics library.
33 * The Initial Developer of the Original Code is University of Southern
37 * Kristian Høgsberg <krh@redhat.com>
38 * Carl Worth <cworth@cworth.org>
39 * Adrian Johnson <ajohnson@redneon.com>
42 #ifndef CAIRO_PDF_SURFACE_PRIVATE_H
43 #define CAIRO_PDF_SURFACE_PRIVATE_H
45 #include "cairo-pdf.h"
47 #include "cairo-surface-private.h"
48 #include "cairo-surface-clipper-private.h"
49 #include "cairo-pdf-operators-private.h"
50 #include "cairo-path-fixed-private.h"
52 typedef struct _cairo_pdf_resource {
54 } cairo_pdf_resource_t;
56 #define CAIRO_NUM_OPERATORS (CAIRO_OPERATOR_HSL_LUMINOSITY + 1)
58 typedef struct _cairo_pdf_group_resources {
59 cairo_bool_t operators[CAIRO_NUM_OPERATORS];
62 cairo_array_t patterns;
63 cairo_array_t shadings;
64 cairo_array_t xobjects;
66 } cairo_pdf_group_resources_t;
68 typedef struct _cairo_pdf_source_surface_entry {
69 cairo_hash_entry_t base;
71 unsigned char *unique_id;
72 unsigned long unique_id_length;
73 cairo_bool_t interpolate;
74 cairo_bool_t stencil_mask;
75 cairo_pdf_resource_t surface_res;
78 cairo_rectangle_int_t extents;
79 } cairo_pdf_source_surface_entry_t;
81 typedef struct _cairo_pdf_source_surface {
82 cairo_pattern_type_t type;
83 cairo_surface_t *surface;
84 cairo_pattern_t *raster_pattern;
85 cairo_pdf_source_surface_entry_t *hash_entry;
86 } cairo_pdf_source_surface_t;
88 typedef struct _cairo_pdf_pattern {
91 cairo_rectangle_int_t extents;
92 cairo_pattern_t *pattern;
93 cairo_pdf_resource_t pattern_res;
94 cairo_pdf_resource_t gstate_res;
95 cairo_bool_t is_shading;
96 } cairo_pdf_pattern_t;
98 typedef enum _cairo_pdf_operation {
104 } cairo_pdf_operation_t;
106 typedef struct _cairo_pdf_smask_group {
109 cairo_rectangle_int_t extents;
110 cairo_pdf_resource_t group_res;
111 cairo_pdf_operation_t operation;
112 cairo_pattern_t *source;
113 cairo_pdf_resource_t source_res;
114 cairo_pattern_t *mask;
115 cairo_path_fixed_t path;
116 cairo_fill_rule_t fill_rule;
117 cairo_stroke_style_t style;
119 cairo_matrix_t ctm_inverse;
122 cairo_glyph_t *glyphs;
124 cairo_text_cluster_t *clusters;
126 cairo_bool_t cluster_flags;
127 cairo_scaled_font_t *scaled_font;
128 } cairo_pdf_smask_group_t;
130 typedef struct _cairo_pdf_surface cairo_pdf_surface_t;
132 struct _cairo_pdf_surface {
133 cairo_surface_t base;
135 /* Prefer the name "output" here to avoid confusion over the
136 * structure within a PDF document known as a "stream". */
137 cairo_output_stream_t *output;
141 cairo_matrix_t cairo_to_pdf;
143 cairo_array_t objects;
145 cairo_array_t rgb_linear_functions;
146 cairo_array_t alpha_linear_functions;
147 cairo_array_t page_patterns;
148 cairo_array_t page_surfaces;
149 cairo_hash_table_t *all_surfaces;
150 cairo_array_t smask_groups;
151 cairo_array_t knockout_group;
153 cairo_scaled_font_subsets_t *font_subsets;
156 cairo_pdf_resource_t next_available_resource;
157 cairo_pdf_resource_t pages_resource;
159 cairo_pdf_version_t pdf_version;
160 cairo_bool_t compress_content;
162 cairo_pdf_resource_t content;
163 cairo_pdf_resource_t content_resources;
164 cairo_pdf_group_resources_t resources;
165 cairo_bool_t has_fallback_images;
166 cairo_bool_t header_emitted;
170 cairo_pdf_resource_t self;
171 cairo_pdf_resource_t length;
173 cairo_bool_t compressed;
174 cairo_output_stream_t *old_output;
179 cairo_output_stream_t *stream;
180 cairo_output_stream_t *mem_stream;
181 cairo_output_stream_t *old_output;
182 cairo_pdf_resource_t resource;
183 cairo_box_double_t bbox;
184 cairo_bool_t is_knockout;
187 cairo_surface_clipper_t clipper;
189 cairo_pdf_operators_t pdf_operators;
190 cairo_paginated_mode_t paginated_mode;
191 cairo_bool_t select_pattern_gstate_saved;
193 cairo_bool_t force_fallbacks;
195 cairo_operator_t current_operator;
196 cairo_bool_t current_pattern_is_solid_color;
197 cairo_bool_t current_color_is_stroke;
198 double current_color_red;
199 double current_color_green;
200 double current_color_blue;
201 double current_color_alpha;
203 cairo_surface_t *paginated_surface;
206 #endif /* CAIRO_PDF_SURFACE_PRIVATE_H */