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1892 | serge | 1 | /* Cairo - a vector graphics library with display and print output |
2 | * |
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3 | * Copyright © 2005 Red Hat, Inc. |
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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 Red Hat, Inc. |
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31 | * |
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32 | * Contributors(s): |
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33 | * Chris Wilson |
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34 | * Karl Tomlinson |
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35 | */ |
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36 | |||
37 | #ifndef CAIRO_XLIB_PRIVATE_H |
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38 | #define CAIRO_XLIB_PRIVATE_H |
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39 | |||
40 | #include "cairo-xlib.h" |
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41 | #include "cairo-xlib-xrender-private.h" |
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42 | |||
43 | #include "cairo-compiler-private.h" |
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44 | #include "cairo-device-private.h" |
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45 | #include "cairo-freelist-type-private.h" |
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46 | #include "cairo-list-private.h" |
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47 | #include "cairo-reference-count-private.h" |
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48 | #include "cairo-types-private.h" |
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3959 | Serge | 49 | #include "cairo-scaled-font-private.h" |
50 | #include "cairo-surface-private.h" |
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1892 | serge | 51 | |
3959 | Serge | 52 | #include |
53 | #include |
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54 | |||
1892 | serge | 55 | typedef struct _cairo_xlib_display cairo_xlib_display_t; |
3959 | Serge | 56 | typedef struct _cairo_xlib_shm_display cairo_xlib_shm_display_t; |
1892 | serge | 57 | typedef struct _cairo_xlib_screen cairo_xlib_screen_t; |
3959 | Serge | 58 | typedef struct _cairo_xlib_source cairo_xlib_source_t; |
59 | typedef struct _cairo_xlib_proxy cairo_xlib_proxy_t; |
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60 | typedef struct _cairo_xlib_surface cairo_xlib_surface_t; |
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1892 | serge | 61 | |
62 | /* size of color cube */ |
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63 | #define CUBE_SIZE 6 |
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64 | /* size of gray ramp */ |
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65 | #define RAMP_SIZE 16 |
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3959 | Serge | 66 | /* maximum number of cached GC's */ |
67 | #define GC_CACHE_SIZE 4 |
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1892 | serge | 68 | |
69 | struct _cairo_xlib_display { |
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70 | cairo_device_t base; |
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71 | |||
72 | cairo_xlib_display_t *next; |
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73 | |||
74 | Display *display; |
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75 | cairo_list_t screens; |
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3959 | Serge | 76 | cairo_list_t fonts; |
1892 | serge | 77 | |
3959 | Serge | 78 | cairo_xlib_shm_display_t *shm; |
79 | |||
80 | const cairo_compositor_t *compositor; |
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81 | |||
1892 | serge | 82 | int render_major; |
83 | int render_minor; |
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84 | XRenderPictFormat *cached_xrender_formats[CAIRO_FORMAT_RGB16_565 + 1]; |
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85 | |||
3959 | Serge | 86 | int force_precision; |
1892 | serge | 87 | |
3959 | Serge | 88 | cairo_surface_t *white; |
89 | cairo_surface_t *alpha[256]; |
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90 | cairo_surface_t *solid[32]; |
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91 | uint32_t solid_cache[32]; /* low 16 are opaque, high 16 transparent */ |
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92 | struct { |
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93 | uint32_t color; |
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94 | int index; |
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95 | } last_solid_cache[2]; |
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96 | |||
97 | /* TRUE if the server has a bug with repeating pictures |
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98 | * |
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99 | * https://bugs.freedesktop.org/show_bug.cgi?id=3566 |
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100 | * |
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101 | * We can't test for this because it depends on whether the |
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102 | * picture is in video memory or not. |
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103 | * |
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104 | * We also use this variable as a guard against a second |
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105 | * independent bug with transformed repeating pictures: |
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106 | * |
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107 | * http://lists.freedesktop.org/archives/cairo/2004-September/001839.html |
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108 | * |
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109 | * Both are fixed in xorg >= 6.9 and hopefully in > 6.8.2, so |
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110 | * we can reuse the test for now. |
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111 | */ |
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112 | unsigned int buggy_gradients : 1; |
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113 | unsigned int buggy_pad_reflect : 1; |
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114 | unsigned int buggy_repeat : 1; |
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1892 | serge | 115 | unsigned int closed :1; |
116 | }; |
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117 | |||
118 | typedef struct _cairo_xlib_visual_info { |
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119 | cairo_list_t link; |
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120 | VisualID visualid; |
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121 | struct { uint8_t a, r, g, b; } colors[256]; |
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122 | uint8_t cube_to_pseudocolor[CUBE_SIZE][CUBE_SIZE][CUBE_SIZE]; |
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123 | uint8_t field8_to_cube[256]; |
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124 | int8_t dither8_to_cube[256]; |
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125 | uint8_t gray8_to_pseudocolor[256]; |
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126 | } cairo_xlib_visual_info_t; |
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127 | |||
128 | struct _cairo_xlib_screen { |
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129 | cairo_list_t link; |
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130 | |||
131 | cairo_device_t *device; |
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132 | Screen *screen; |
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133 | |||
3959 | Serge | 134 | cairo_list_t surfaces; |
135 | |||
1892 | serge | 136 | cairo_bool_t has_font_options; |
137 | cairo_font_options_t font_options; |
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138 | |||
3959 | Serge | 139 | GC gc[GC_CACHE_SIZE]; |
140 | uint8_t gc_depths[GC_CACHE_SIZE]; |
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1892 | serge | 141 | |
142 | cairo_list_t visuals; |
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143 | }; |
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144 | |||
3959 | Serge | 145 | enum { |
146 | GLYPHSET_INDEX_ARGB32, |
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147 | GLYPHSET_INDEX_A8, |
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148 | GLYPHSET_INDEX_A1, |
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149 | NUM_GLYPHSETS |
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150 | }; |
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151 | |||
152 | typedef struct _cairo_xlib_font_glyphset { |
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153 | GlyphSet glyphset; |
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154 | cairo_format_t format; |
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155 | XRenderPictFormat *xrender_format; |
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156 | struct _cairo_xlib_font_glyphset_free_glyphs { |
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157 | int count; |
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158 | unsigned long indices[128]; |
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159 | } to_free; |
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160 | } cairo_xlib_font_glyphset_t; |
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161 | |||
162 | typedef struct _cairo_xlib_font { |
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163 | cairo_scaled_font_private_t base; |
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164 | cairo_scaled_font_t *font; |
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165 | cairo_device_t *device; |
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166 | cairo_list_t link; |
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167 | cairo_xlib_font_glyphset_t glyphset[NUM_GLYPHSETS]; |
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168 | } cairo_xlib_font_t; |
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169 | |||
170 | struct _cairo_xlib_surface { |
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171 | cairo_surface_t base; |
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172 | |||
173 | Picture picture; |
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174 | Drawable drawable; |
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175 | |||
176 | const cairo_compositor_t *compositor; |
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177 | cairo_surface_t *shm; |
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178 | int fallback; |
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179 | |||
180 | cairo_xlib_display_t *display; |
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181 | cairo_xlib_screen_t *screen; |
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182 | cairo_list_t link; |
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183 | |||
184 | Display *dpy; /* only valid between acquire/release */ |
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185 | cairo_bool_t owns_pixmap; |
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186 | Visual *visual; |
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187 | |||
188 | int use_pixmap; |
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189 | |||
190 | int width; |
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191 | int height; |
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192 | int depth; |
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193 | |||
194 | int precision; |
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195 | XRenderPictFormat *xrender_format; |
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196 | /* XXX pixman_format instead of masks? */ |
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197 | uint32_t a_mask; |
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198 | uint32_t r_mask; |
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199 | uint32_t g_mask; |
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200 | uint32_t b_mask; |
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201 | |||
202 | struct _cairo_xlib_source { |
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203 | cairo_surface_t base; |
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204 | |||
205 | Picture picture; |
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206 | Pixmap pixmap; |
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207 | Display *dpy; |
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208 | |||
209 | unsigned int filter:3; |
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210 | unsigned int extend:3; |
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211 | unsigned int has_matrix:1; |
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212 | unsigned int has_component_alpha:1; |
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213 | } embedded_source; |
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214 | }; |
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215 | |||
216 | struct _cairo_xlib_proxy { |
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217 | struct _cairo_xlib_source source; |
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218 | cairo_surface_t *owner; |
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219 | }; |
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220 | |||
221 | inline static cairo_bool_t |
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222 | _cairo_xlib_vendor_is_xorg (Display *dpy) |
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223 | { |
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224 | const char *const vendor = ServerVendor (dpy); |
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225 | return strstr (vendor, "X.Org") || strstr (vendor, "Xorg"); |
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226 | } |
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227 | |||
228 | cairo_private cairo_status_t |
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229 | _cairo_xlib_surface_get_gc (cairo_xlib_display_t *display, |
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230 | cairo_xlib_surface_t *surface, |
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231 | GC *gc); |
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232 | |||
1892 | serge | 233 | cairo_private cairo_device_t * |
234 | _cairo_xlib_device_create (Display *display); |
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235 | |||
3959 | Serge | 236 | cairo_private void |
237 | _cairo_xlib_display_init_shm (cairo_xlib_display_t *display); |
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238 | |||
239 | cairo_private void |
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240 | _cairo_xlib_display_fini_shm (cairo_xlib_display_t *display); |
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241 | |||
1892 | serge | 242 | cairo_private cairo_xlib_screen_t * |
243 | _cairo_xlib_display_get_screen (cairo_xlib_display_t *display, |
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244 | Screen *screen); |
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245 | |||
246 | cairo_private cairo_status_t |
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247 | _cairo_xlib_display_acquire (cairo_device_t *device, |
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248 | cairo_xlib_display_t **display); |
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249 | |||
250 | cairo_private cairo_bool_t |
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251 | _cairo_xlib_display_has_repeat (cairo_device_t *device); |
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252 | |||
253 | cairo_private cairo_bool_t |
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254 | _cairo_xlib_display_has_reflect (cairo_device_t *device); |
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255 | |||
256 | cairo_private cairo_bool_t |
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257 | _cairo_xlib_display_has_gradients (cairo_device_t *device); |
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258 | |||
3959 | Serge | 259 | cairo_private void |
260 | _cairo_xlib_display_set_precision(cairo_device_t *device, |
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261 | int precision); |
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262 | |||
1892 | serge | 263 | cairo_private XRenderPictFormat * |
264 | _cairo_xlib_display_get_xrender_format (cairo_xlib_display_t *display, |
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265 | cairo_format_t format); |
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266 | |||
3959 | Serge | 267 | cairo_private XRenderPictFormat * |
268 | _cairo_xlib_display_get_xrender_format_for_pixman (cairo_xlib_display_t *display, |
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269 | pixman_format_code_t format); |
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270 | |||
1892 | serge | 271 | cairo_private cairo_status_t |
272 | _cairo_xlib_screen_get (Display *dpy, |
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273 | Screen *screen, |
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274 | cairo_xlib_screen_t **out); |
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275 | |||
276 | cairo_private void |
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3959 | Serge | 277 | _cairo_xlib_screen_destroy (cairo_xlib_display_t *display, |
278 | cairo_xlib_screen_t *info); |
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1892 | serge | 279 | |
280 | cairo_private GC |
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281 | _cairo_xlib_screen_get_gc (cairo_xlib_display_t *display, |
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282 | cairo_xlib_screen_t *info, |
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283 | int depth, |
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284 | Drawable drawable); |
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285 | cairo_private void |
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286 | _cairo_xlib_screen_put_gc (cairo_xlib_display_t *display, |
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3959 | Serge | 287 | cairo_xlib_screen_t *info, |
1892 | serge | 288 | int depth, |
289 | GC gc); |
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290 | |||
291 | cairo_private cairo_font_options_t * |
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292 | _cairo_xlib_screen_get_font_options (cairo_xlib_screen_t *info); |
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293 | |||
294 | cairo_private cairo_status_t |
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295 | _cairo_xlib_screen_get_visual_info (cairo_xlib_display_t *display, |
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296 | cairo_xlib_screen_t *info, |
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297 | Visual *visual, |
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298 | cairo_xlib_visual_info_t **out); |
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299 | |||
300 | cairo_private cairo_status_t |
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301 | _cairo_xlib_visual_info_create (Display *dpy, |
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302 | int screen, |
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303 | VisualID visualid, |
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304 | cairo_xlib_visual_info_t **out); |
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305 | |||
306 | cairo_private void |
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307 | _cairo_xlib_visual_info_destroy (cairo_xlib_visual_info_t *info); |
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308 | |||
3959 | Serge | 309 | cairo_private const cairo_compositor_t * |
310 | _cairo_xlib_core_compositor_get (void); |
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311 | |||
312 | cairo_private const cairo_compositor_t * |
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313 | _cairo_xlib_fallback_compositor_get (void); |
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314 | |||
315 | cairo_private const cairo_compositor_t * |
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316 | _cairo_xlib_mask_compositor_get (void); |
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317 | |||
318 | cairo_private const cairo_compositor_t * |
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319 | _cairo_xlib_traps_compositor_get (void); |
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320 | |||
321 | cairo_private void |
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322 | _cairo_xlib_surface_ensure_picture (cairo_xlib_surface_t *surface); |
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323 | |||
324 | cairo_private void |
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325 | _cairo_xlib_surface_set_precision (cairo_xlib_surface_t *surface, |
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326 | cairo_antialias_t antialias); |
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327 | |||
328 | cairo_private cairo_int_status_t |
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329 | _cairo_xlib_surface_set_attributes (cairo_xlib_display_t *display, |
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330 | cairo_xlib_surface_t *surface, |
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331 | cairo_surface_attributes_t *attributes, |
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332 | double xc, |
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333 | double yc); |
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334 | |||
335 | cairo_private cairo_status_t |
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336 | _cairo_xlib_surface_draw_image (cairo_xlib_surface_t *surface, |
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337 | cairo_image_surface_t *image, |
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338 | int src_x, |
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339 | int src_y, |
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340 | int width, |
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341 | int height, |
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342 | int dst_x, |
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343 | int dst_y); |
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344 | |||
345 | cairo_private cairo_surface_t * |
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346 | _cairo_xlib_source_create_for_pattern (cairo_surface_t *dst, |
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347 | const cairo_pattern_t *pattern, |
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348 | cairo_bool_t is_mask, |
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349 | const cairo_rectangle_int_t *extents, |
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350 | const cairo_rectangle_int_t *sample, |
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351 | int *src_x, int *src_y); |
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352 | |||
353 | cairo_private void |
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354 | _cairo_xlib_font_close (cairo_xlib_font_t *font); |
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355 | |||
356 | #define CAIRO_RENDER_AT_LEAST(surface, major, minor) \ |
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357 | (((surface)->render_major > major) || \ |
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358 | (((surface)->render_major == major) && ((surface)->render_minor >= minor))) |
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359 | |||
360 | #define CAIRO_RENDER_HAS_CREATE_PICTURE(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 0) |
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361 | #define CAIRO_RENDER_HAS_COMPOSITE(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 0) |
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362 | #define CAIRO_RENDER_HAS_COMPOSITE_TEXT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 0) |
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363 | |||
364 | #define CAIRO_RENDER_HAS_FILL_RECTANGLES(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 1) |
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365 | |||
366 | #define CAIRO_RENDER_HAS_DISJOINT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 2) |
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367 | #define CAIRO_RENDER_HAS_CONJOINT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 2) |
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368 | |||
369 | #define CAIRO_RENDER_HAS_TRAPEZOIDS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4) |
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370 | #define CAIRO_RENDER_HAS_TRIANGLES(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4) |
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371 | #define CAIRO_RENDER_HAS_TRISTRIP(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4) |
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372 | #define CAIRO_RENDER_HAS_TRIFAN(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4) |
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373 | |||
374 | #define CAIRO_RENDER_HAS_PICTURE_TRANSFORM(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 6) |
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375 | #define CAIRO_RENDER_HAS_FILTERS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 6) |
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376 | |||
377 | #define CAIRO_RENDER_HAS_EXTENDED_REPEAT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 10) |
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378 | #define CAIRO_RENDER_HAS_GRADIENTS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 10) |
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379 | |||
380 | #define CAIRO_RENDER_HAS_PDF_OPERATORS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 11) |
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381 | |||
382 | #define CAIRO_RENDER_SUPPORTS_OPERATOR(surface, op) \ |
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383 | ((op) <= CAIRO_OPERATOR_SATURATE || \ |
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384 | (CAIRO_RENDER_HAS_PDF_OPERATORS(surface) && \ |
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385 | (op) <= CAIRO_OPERATOR_HSL_LUMINOSITY)) |
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386 | |||
387 | /* |
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388 | * Return whether two xlib surfaces share the same |
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389 | * screen. Both core and Render drawing require this |
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390 | * when using multiple drawables in an operation. |
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391 | */ |
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392 | static inline cairo_bool_t |
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393 | _cairo_xlib_surface_same_screen (cairo_xlib_surface_t *dst, |
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394 | cairo_xlib_surface_t *src) |
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395 | { |
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396 | return dst->screen == src->screen; |
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397 | } |
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398 | |||
399 | cairo_private cairo_int_status_t |
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400 | _cairo_xlib_core_fill_boxes (cairo_xlib_surface_t *dst, |
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401 | const cairo_color_t *color, |
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402 | cairo_boxes_t *boxes); |
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403 | |||
404 | cairo_private cairo_int_status_t |
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405 | _cairo_xlib_core_fill_rectangles (cairo_xlib_surface_t *dst, |
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406 | const cairo_color_t *color, |
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407 | int num_rects, |
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408 | cairo_rectangle_int_t *rects); |
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409 | |||
410 | static inline void |
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411 | _cairo_xlib_surface_put_gc (cairo_xlib_display_t *display, |
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412 | cairo_xlib_surface_t *surface, |
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413 | GC gc) |
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414 | { |
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415 | _cairo_xlib_screen_put_gc (display, |
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416 | surface->screen, |
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417 | surface->depth, |
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418 | gc); |
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419 | } |
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420 | |||
421 | cairo_private cairo_surface_t * |
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422 | _cairo_xlib_surface_create_similar_shm (void *surface, |
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423 | cairo_format_t format, |
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424 | int width, int height); |
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425 | |||
426 | cairo_private cairo_surface_t * |
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427 | _cairo_xlib_surface_get_shm (cairo_xlib_surface_t *surface, |
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428 | cairo_bool_t overwrite); |
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429 | |||
430 | cairo_private cairo_int_status_t |
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431 | _cairo_xlib_surface_put_shm (cairo_xlib_surface_t *surface); |
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432 | |||
433 | cairo_private cairo_surface_t * |
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434 | _cairo_xlib_surface_create_shm (cairo_xlib_surface_t *other, |
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435 | pixman_format_code_t format, |
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436 | int width, int height); |
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437 | |||
438 | cairo_private cairo_surface_t * |
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439 | _cairo_xlib_surface_create_shm__image (cairo_xlib_surface_t *surface, |
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440 | pixman_format_code_t format, |
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441 | int width, int height); |
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442 | |||
443 | cairo_private void |
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444 | _cairo_xlib_shm_surface_get_ximage (cairo_surface_t *surface, |
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445 | XImage *ximage); |
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446 | |||
447 | cairo_private void * |
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448 | _cairo_xlib_shm_surface_get_obdata (cairo_surface_t *surface); |
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449 | |||
450 | cairo_private void |
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451 | _cairo_xlib_shm_surface_mark_active (cairo_surface_t *shm); |
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452 | |||
453 | cairo_private cairo_bool_t |
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454 | _cairo_xlib_shm_surface_is_active (cairo_surface_t *surface); |
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455 | |||
456 | cairo_private cairo_bool_t |
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457 | _cairo_xlib_shm_surface_is_idle (cairo_surface_t *surface); |
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458 | |||
459 | cairo_private Pixmap |
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460 | _cairo_xlib_shm_surface_get_pixmap (cairo_surface_t *surface); |
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461 | |||
462 | cairo_private XRenderPictFormat * |
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463 | _cairo_xlib_shm_surface_get_xrender_format (cairo_surface_t *surface); |
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464 | |||
465 | cairo_private pixman_format_code_t |
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466 | _pixman_format_for_xlib_surface (cairo_xlib_surface_t *surface); |
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467 | |||
1892 | serge | 468 | #endif /* CAIRO_XLIB_PRIVATE_H */=>=> |