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1892 | serge | 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 |
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3 | * |
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4 | * Copyright © 2004 Red Hat, Inc |
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5 | * Copyright © 2006 Red Hat, Inc |
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6 | * Copyright © 2007, 2008 Adrian Johnson |
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7 | * |
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8 | * This library is free software; you can redistribute it and/or |
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9 | * modify it either under the terms of the GNU Lesser General Public |
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10 | * License version 2.1 as published by the Free Software Foundation |
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11 | * (the "LGPL") or, at your option, under the terms of the Mozilla |
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12 | * Public License Version 1.1 (the "MPL"). If you do not alter this |
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13 | * notice, a recipient may use your version of this file under either |
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14 | * the MPL or the LGPL. |
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15 | * |
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16 | * You should have received a copy of the LGPL along with this library |
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17 | * in the file COPYING-LGPL-2.1; if not, write to the Free Software |
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18 | * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA |
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19 | * You should have received a copy of the MPL along with this library |
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20 | * in the file COPYING-MPL-1.1 |
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21 | * |
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22 | * The contents of this file are subject to the Mozilla Public License |
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23 | * Version 1.1 (the "License"); you may not use this file except in |
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24 | * compliance with the License. You may obtain a copy of the License at |
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25 | * http://www.mozilla.org/MPL/ |
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26 | * |
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27 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY |
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28 | * OF ANY KIND, either express or implied. See the LGPL or the MPL for |
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29 | * the specific language governing rights and limitations. |
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30 | * |
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31 | * The Original Code is the cairo graphics library. |
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32 | * |
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33 | * The Initial Developer of the Original Code is University of Southern |
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34 | * California. |
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35 | * |
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36 | * Contributor(s): |
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37 | * Kristian Høgsberg |
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38 | * Carl Worth |
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39 | * Adrian Johnson |
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40 | */ |
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41 | |||
42 | #ifndef CAIRO_PDF_SURFACE_PRIVATE_H |
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43 | #define CAIRO_PDF_SURFACE_PRIVATE_H |
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44 | |||
45 | #include "cairo-pdf.h" |
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46 | |||
47 | #include "cairo-surface-private.h" |
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48 | #include "cairo-surface-clipper-private.h" |
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49 | #include "cairo-pdf-operators-private.h" |
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50 | #include "cairo-path-fixed-private.h" |
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51 | |||
52 | typedef struct _cairo_pdf_resource { |
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53 | unsigned int id; |
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54 | } cairo_pdf_resource_t; |
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55 | |||
56 | #define CAIRO_NUM_OPERATORS (CAIRO_OPERATOR_HSL_LUMINOSITY + 1) |
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57 | |||
58 | typedef struct _cairo_pdf_group_resources { |
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59 | cairo_bool_t operators[CAIRO_NUM_OPERATORS]; |
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60 | cairo_array_t alphas; |
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61 | cairo_array_t smasks; |
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62 | cairo_array_t patterns; |
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3959 | Serge | 63 | cairo_array_t shadings; |
1892 | serge | 64 | cairo_array_t xobjects; |
65 | cairo_array_t fonts; |
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66 | } cairo_pdf_group_resources_t; |
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67 | |||
68 | typedef struct _cairo_pdf_source_surface_entry { |
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69 | cairo_hash_entry_t base; |
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70 | unsigned int id; |
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3959 | Serge | 71 | unsigned char *unique_id; |
72 | unsigned long unique_id_length; |
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1892 | serge | 73 | cairo_bool_t interpolate; |
3959 | Serge | 74 | cairo_bool_t stencil_mask; |
1892 | serge | 75 | cairo_pdf_resource_t surface_res; |
76 | int width; |
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77 | int height; |
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3959 | Serge | 78 | cairo_rectangle_int_t extents; |
1892 | serge | 79 | } cairo_pdf_source_surface_entry_t; |
80 | |||
81 | typedef struct _cairo_pdf_source_surface { |
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3959 | Serge | 82 | cairo_pattern_type_t type; |
1892 | serge | 83 | cairo_surface_t *surface; |
3959 | Serge | 84 | cairo_pattern_t *raster_pattern; |
1892 | serge | 85 | cairo_pdf_source_surface_entry_t *hash_entry; |
86 | } cairo_pdf_source_surface_t; |
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87 | |||
88 | typedef struct _cairo_pdf_pattern { |
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89 | double width; |
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90 | double height; |
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91 | cairo_rectangle_int_t extents; |
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92 | cairo_pattern_t *pattern; |
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93 | cairo_pdf_resource_t pattern_res; |
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94 | cairo_pdf_resource_t gstate_res; |
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3959 | Serge | 95 | cairo_bool_t is_shading; |
1892 | serge | 96 | } cairo_pdf_pattern_t; |
97 | |||
98 | typedef enum _cairo_pdf_operation { |
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99 | PDF_PAINT, |
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100 | PDF_MASK, |
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101 | PDF_FILL, |
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102 | PDF_STROKE, |
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103 | PDF_SHOW_GLYPHS |
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104 | } cairo_pdf_operation_t; |
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105 | |||
106 | typedef struct _cairo_pdf_smask_group { |
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107 | double width; |
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108 | double height; |
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3959 | Serge | 109 | cairo_rectangle_int_t extents; |
1892 | serge | 110 | cairo_pdf_resource_t group_res; |
111 | cairo_pdf_operation_t operation; |
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112 | cairo_pattern_t *source; |
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113 | cairo_pdf_resource_t source_res; |
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114 | cairo_pattern_t *mask; |
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115 | cairo_path_fixed_t path; |
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116 | cairo_fill_rule_t fill_rule; |
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117 | cairo_stroke_style_t style; |
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118 | cairo_matrix_t ctm; |
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119 | cairo_matrix_t ctm_inverse; |
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120 | char *utf8; |
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121 | int utf8_len; |
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122 | cairo_glyph_t *glyphs; |
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123 | int num_glyphs; |
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124 | cairo_text_cluster_t *clusters; |
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125 | int num_clusters; |
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126 | cairo_bool_t cluster_flags; |
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127 | cairo_scaled_font_t *scaled_font; |
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128 | } cairo_pdf_smask_group_t; |
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129 | |||
130 | typedef struct _cairo_pdf_surface cairo_pdf_surface_t; |
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131 | |||
132 | struct _cairo_pdf_surface { |
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133 | cairo_surface_t base; |
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134 | |||
135 | /* Prefer the name "output" here to avoid confusion over the |
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136 | * structure within a PDF document known as a "stream". */ |
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137 | cairo_output_stream_t *output; |
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138 | |||
139 | double width; |
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140 | double height; |
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141 | cairo_matrix_t cairo_to_pdf; |
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142 | |||
143 | cairo_array_t objects; |
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144 | cairo_array_t pages; |
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145 | cairo_array_t rgb_linear_functions; |
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146 | cairo_array_t alpha_linear_functions; |
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147 | cairo_array_t page_patterns; |
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148 | cairo_array_t page_surfaces; |
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149 | cairo_hash_table_t *all_surfaces; |
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150 | cairo_array_t smask_groups; |
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151 | cairo_array_t knockout_group; |
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152 | |||
153 | cairo_scaled_font_subsets_t *font_subsets; |
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154 | cairo_array_t fonts; |
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155 | |||
156 | cairo_pdf_resource_t next_available_resource; |
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157 | cairo_pdf_resource_t pages_resource; |
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158 | |||
159 | cairo_pdf_version_t pdf_version; |
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160 | cairo_bool_t compress_content; |
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161 | |||
162 | cairo_pdf_resource_t content; |
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163 | cairo_pdf_resource_t content_resources; |
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164 | cairo_pdf_group_resources_t resources; |
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165 | cairo_bool_t has_fallback_images; |
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166 | cairo_bool_t header_emitted; |
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167 | |||
168 | struct { |
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169 | cairo_bool_t active; |
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170 | cairo_pdf_resource_t self; |
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171 | cairo_pdf_resource_t length; |
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172 | long start_offset; |
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173 | cairo_bool_t compressed; |
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174 | cairo_output_stream_t *old_output; |
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175 | } pdf_stream; |
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176 | |||
177 | struct { |
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178 | cairo_bool_t active; |
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179 | cairo_output_stream_t *stream; |
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180 | cairo_output_stream_t *mem_stream; |
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181 | cairo_output_stream_t *old_output; |
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182 | cairo_pdf_resource_t resource; |
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3959 | Serge | 183 | cairo_box_double_t bbox; |
1892 | serge | 184 | cairo_bool_t is_knockout; |
185 | } group_stream; |
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186 | |||
187 | cairo_surface_clipper_t clipper; |
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188 | |||
189 | cairo_pdf_operators_t pdf_operators; |
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190 | cairo_paginated_mode_t paginated_mode; |
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191 | cairo_bool_t select_pattern_gstate_saved; |
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192 | |||
193 | cairo_bool_t force_fallbacks; |
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194 | |||
195 | cairo_operator_t current_operator; |
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196 | cairo_bool_t current_pattern_is_solid_color; |
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197 | cairo_bool_t current_color_is_stroke; |
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198 | double current_color_red; |
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199 | double current_color_green; |
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200 | double current_color_blue; |
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201 | double current_color_alpha; |
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202 | |||
203 | cairo_surface_t *paginated_surface; |
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204 | }; |
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205 | |||
206 | #endif /* CAIRO_PDF_SURFACE_PRIVATE_H */ |