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4349 | Serge | 1 | /* cairo - a vector graphics library with display and print output |
2 | * |
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3 | * Copyright © 2010 Intel Corporation |
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4 | * |
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5 | * This library is free software; you can redistribute it and/or |
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6 | * modify it either under the terms of the GNU Lesser General Public |
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7 | * License version 2.1 as published by the Free Software Foundation |
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8 | * (the "LGPL") or, at your option, under the terms of the Mozilla |
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9 | * Public License Version 1.1 (the "MPL"). If you do not alter this |
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10 | * notice, a recipient may use your version of this file under either |
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11 | * the MPL or the LGPL. |
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12 | * |
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13 | * You should have received a copy of the LGPL along with this library |
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14 | * in the file COPYING-LGPL-2.1; if not, write to the Free Software |
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15 | * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA |
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16 | * You should have received a copy of the MPL along with this library |
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17 | * in the file COPYING-MPL-1.1 |
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18 | * |
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19 | * The contents of this file are subject to the Mozilla Public License |
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20 | * Version 1.1 (the "License"); you may not use this file except in |
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21 | * compliance with the License. You may obtain a copy of the License at |
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22 | * http://www.mozilla.org/MPL/ |
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23 | * |
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24 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY |
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25 | * OF ANY KIND, either express or implied. See the LGPL or the MPL for |
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26 | * the specific language governing rights and limitations. |
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27 | * |
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28 | * The Original Code is the cairo graphics library. |
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29 | * |
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30 | * The Initial Developer of the Original Code is Intel Corporation |
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31 | * |
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32 | * Contributor(s): |
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33 | * Chris Wilson |
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34 | */ |
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35 | |||
36 | #ifndef CAIRO_BACKEND_PRIVATE_H |
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37 | #define CAIRO_BACKEND_PRIVATE_H |
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38 | |||
39 | #include "cairo-types-private.h" |
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40 | #include "cairo-private.h" |
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41 | |||
42 | typedef enum _cairo_backend_type { |
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43 | CAIRO_TYPE_DEFAULT, |
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44 | CAIRO_TYPE_SKIA, |
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45 | } cairo_backend_type_t; |
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46 | |||
47 | struct _cairo_backend { |
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48 | cairo_backend_type_t type; |
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49 | void (*destroy) (void *cr); |
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50 | |||
51 | cairo_surface_t *(*get_original_target) (void *cr); |
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52 | cairo_surface_t *(*get_current_target) (void *cr); |
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53 | |||
54 | cairo_status_t (*save) (void *cr); |
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55 | cairo_status_t (*restore) (void *cr); |
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56 | |||
57 | cairo_status_t (*push_group) (void *cr, cairo_content_t content); |
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58 | cairo_pattern_t *(*pop_group) (void *cr); |
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59 | |||
60 | cairo_status_t (*set_source_rgba) (void *cr, double red, double green, double blue, double alpha); |
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61 | cairo_status_t (*set_source_surface) (void *cr, cairo_surface_t *surface, double x, double y); |
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62 | cairo_status_t (*set_source) (void *cr, cairo_pattern_t *source); |
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63 | cairo_pattern_t *(*get_source) (void *cr); |
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64 | |||
65 | cairo_status_t (*set_antialias) (void *cr, cairo_antialias_t antialias); |
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66 | cairo_status_t (*set_dash) (void *cr, const double *dashes, int num_dashes, double offset); |
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67 | cairo_status_t (*set_fill_rule) (void *cr, cairo_fill_rule_t fill_rule); |
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68 | cairo_status_t (*set_line_cap) (void *cr, cairo_line_cap_t line_cap); |
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69 | cairo_status_t (*set_line_join) (void *cr, cairo_line_join_t line_join); |
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70 | cairo_status_t (*set_line_width) (void *cr, double line_width); |
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71 | cairo_status_t (*set_miter_limit) (void *cr, double limit); |
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72 | cairo_status_t (*set_opacity) (void *cr, double opacity); |
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73 | cairo_status_t (*set_operator) (void *cr, cairo_operator_t op); |
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74 | cairo_status_t (*set_tolerance) (void *cr, double tolerance); |
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75 | |||
76 | cairo_antialias_t (*get_antialias) (void *cr); |
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77 | void (*get_dash) (void *cr, double *dashes, int *num_dashes, double *offset); |
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78 | cairo_fill_rule_t (*get_fill_rule) (void *cr); |
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79 | cairo_line_cap_t (*get_line_cap) (void *cr); |
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80 | cairo_line_join_t (*get_line_join) (void *cr); |
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81 | double (*get_line_width) (void *cr); |
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82 | double (*get_miter_limit) (void *cr); |
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83 | double (*get_opacity) (void *cr); |
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84 | cairo_operator_t (*get_operator) (void *cr); |
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85 | double (*get_tolerance) (void *cr); |
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86 | |||
87 | cairo_status_t (*translate) (void *cr, double tx, double ty); |
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88 | cairo_status_t (*scale) (void *cr, double sx, double sy); |
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89 | cairo_status_t (*rotate) (void *cr, double theta); |
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90 | cairo_status_t (*transform) (void *cr, const cairo_matrix_t *matrix); |
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91 | cairo_status_t (*set_matrix) (void *cr, const cairo_matrix_t *matrix); |
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92 | cairo_status_t (*set_identity_matrix) (void *cr); |
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93 | void (*get_matrix) (void *cr, cairo_matrix_t *matrix); |
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94 | |||
95 | void (*user_to_device) (void *cr, double *x, double *y); |
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96 | void (*user_to_device_distance) (void *cr, double *x, double *y); |
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97 | void (*device_to_user) (void *cr, double *x, double *y); |
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98 | void (*device_to_user_distance) (void *cr, double *x, double *y); |
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99 | |||
100 | void (*user_to_backend) (void *cr, double *x, double *y); |
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101 | void (*user_to_backend_distance) (void *cr, double *x, double *y); |
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102 | void (*backend_to_user) (void *cr, double *x, double *y); |
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103 | void (*backend_to_user_distance) (void *cr, double *x, double *y); |
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104 | |||
105 | cairo_status_t (*new_path) (void *cr); |
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106 | cairo_status_t (*new_sub_path) (void *cr); |
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107 | cairo_status_t (*move_to) (void *cr, double x, double y); |
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108 | cairo_status_t (*rel_move_to) (void *cr, double dx, double dy); |
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109 | cairo_status_t (*line_to) (void *cr, double x, double y); |
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110 | cairo_status_t (*rel_line_to) (void *cr, double dx, double dy); |
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111 | cairo_status_t (*curve_to) (void *cr, double x1, double y1, double x2, double y2, double x3, double y3); |
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112 | cairo_status_t (*rel_curve_to) (void *cr, double dx1, double dy1, double dx2, double dy2, double dx3, double dy3); |
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113 | cairo_status_t (*arc_to) (void *cr, double x1, double y1, double x2, double y2, double radius); |
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114 | cairo_status_t (*rel_arc_to) (void *cr, double dx1, double dy1, double dx2, double dy2, double radius); |
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115 | cairo_status_t (*close_path) (void *cr); |
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116 | |||
117 | cairo_status_t (*arc) (void *cr, double xc, double yc, double radius, double angle1, double angle2, cairo_bool_t forward); |
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118 | cairo_status_t (*rectangle) (void *cr, double x, double y, double width, double height); |
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119 | |||
120 | void (*path_extents) (void *cr, double *x1, double *y1, double *x2, double *y2); |
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121 | cairo_bool_t (*has_current_point) (void *cr); |
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122 | cairo_bool_t (*get_current_point) (void *cr, double *x, double *y); |
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123 | |||
124 | cairo_path_t *(*copy_path) (void *cr); |
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125 | cairo_path_t *(*copy_path_flat) (void *cr); |
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126 | cairo_status_t (*append_path) (void *cr, const cairo_path_t *path); |
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127 | |||
128 | cairo_status_t (*stroke_to_path) (void *cr); |
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129 | |||
130 | cairo_status_t (*clip) (void *cr); |
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131 | cairo_status_t (*clip_preserve) (void *cr); |
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132 | cairo_status_t (*in_clip) (void *cr, double x, double y, cairo_bool_t *inside); |
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133 | cairo_status_t (*clip_extents) (void *cr, double *x1, double *y1, double *x2, double *y2); |
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134 | cairo_status_t (*reset_clip) (void *cr); |
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135 | cairo_rectangle_list_t *(*clip_copy_rectangle_list) (void *cr); |
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136 | |||
137 | cairo_status_t (*paint) (void *cr); |
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138 | cairo_status_t (*paint_with_alpha) (void *cr, double opacity); |
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139 | cairo_status_t (*mask) (void *cr, cairo_pattern_t *pattern); |
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140 | |||
141 | cairo_status_t (*stroke) (void *cr); |
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142 | cairo_status_t (*stroke_preserve) (void *cr); |
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143 | cairo_status_t (*in_stroke) (void *cr, double x, double y, cairo_bool_t *inside); |
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144 | cairo_status_t (*stroke_extents) (void *cr, double *x1, double *y1, double *x2, double *y2); |
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145 | |||
146 | cairo_status_t (*fill) (void *cr); |
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147 | cairo_status_t (*fill_preserve) (void *cr); |
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148 | cairo_status_t (*in_fill) (void *cr, double x, double y, cairo_bool_t *inside); |
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149 | cairo_status_t (*fill_extents) (void *cr, double *x1, double *y1, double *x2, double *y2); |
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150 | |||
151 | cairo_status_t (*set_font_face) (void *cr, cairo_font_face_t *font_face); |
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152 | cairo_font_face_t *(*get_font_face) (void *cr); |
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153 | cairo_status_t (*set_font_size) (void *cr, double size); |
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154 | cairo_status_t (*set_font_matrix) (void *cr, const cairo_matrix_t *matrix); |
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155 | void (*get_font_matrix) (void *cr, cairo_matrix_t *matrix); |
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156 | cairo_status_t (*set_font_options) (void *cr, const cairo_font_options_t *options); |
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157 | void (*get_font_options) (void *cr, cairo_font_options_t *options); |
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158 | cairo_status_t (*set_scaled_font) (void *cr, cairo_scaled_font_t *scaled_font); |
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159 | cairo_scaled_font_t *(*get_scaled_font) (void *cr); |
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160 | cairo_status_t (*font_extents) (void *cr, cairo_font_extents_t *extents); |
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161 | |||
162 | cairo_status_t (*glyphs) (void *cr, |
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163 | const cairo_glyph_t *glyphs, int num_glyphs, |
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164 | cairo_glyph_text_info_t *info); |
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165 | cairo_status_t (*glyph_path) (void *cr, |
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166 | const cairo_glyph_t *glyphs, int num_glyphs); |
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167 | |||
168 | cairo_status_t (*glyph_extents) (void *cr, |
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169 | const cairo_glyph_t *glyphs, |
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170 | int num_glyphs, |
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171 | cairo_text_extents_t *extents); |
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172 | |||
173 | cairo_status_t (*copy_page) (void *cr); |
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174 | cairo_status_t (*show_page) (void *cr); |
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175 | }; |
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176 | |||
177 | static inline void |
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178 | _cairo_backend_to_user (cairo_t *cr, double *x, double *y) |
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179 | { |
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180 | cr->backend->backend_to_user (cr, x, y); |
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181 | } |
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182 | |||
183 | static inline void |
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184 | _cairo_backend_to_user_distance (cairo_t *cr, double *x, double *y) |
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185 | { |
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186 | cr->backend->backend_to_user_distance (cr, x, y); |
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187 | } |
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188 | |||
189 | static inline void |
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190 | _cairo_user_to_backend (cairo_t *cr, double *x, double *y) |
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191 | { |
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192 | cr->backend->user_to_backend (cr, x, y); |
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193 | } |
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194 | |||
195 | static inline void |
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196 | _cairo_user_to_backend_distance (cairo_t *cr, double *x, double *y) |
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197 | { |
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198 | cr->backend->user_to_backend_distance (cr, x, y); |
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199 | } |
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200 | |||
201 | #endif /* CAIRO_BACKEND_PRIVATE_H */ |