This file is indexed.

/usr/share/gtk-doc/html/cairo/cairo-XCB-Surfaces.html is in libcairo2-doc 1.13.0~20140204-0ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>XCB Surfaces</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="Cairo: A Vector Graphics Library">
<link rel="up" href="cairo-surfaces.html" title="Surfaces">
<link rel="prev" href="cairo-Quartz-Surfaces.html" title="Quartz Surfaces">
<link rel="next" href="cairo-XLib-Surfaces.html" title="XLib Surfaces">
<meta name="generator" content="GTK-Doc V1.19 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2">
<tr valign="middle">
<td><a accesskey="p" href="cairo-Quartz-Surfaces.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
<td><a accesskey="u" href="cairo-surfaces.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
<th width="100%" align="center">Cairo: A Vector Graphics Library</th>
<td><a accesskey="n" href="cairo-XLib-Surfaces.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
</tr>
<tr><td colspan="5" class="shortcuts">
<a href="#cairo-XCB-Surfaces.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#cairo-XCB-Surfaces.description" class="shortcut">Description</a>
</td></tr>
</table>
<div class="refentry">
<a name="cairo-XCB-Surfaces"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="cairo-XCB-Surfaces.top_of_page"></a>XCB Surfaces</span></h2>
<p>XCB Surfaces — X Window System rendering using the XCB library</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="cairo-XCB-Surfaces.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">#define             <a class="link" href="cairo-XCB-Surfaces.html#CAIRO-HAS-XCB-SURFACE:CAPS" title="CAIRO_HAS_XCB_SURFACE">CAIRO_HAS_XCB_SURFACE</a>
#define             <a class="link" href="cairo-XCB-Surfaces.html#CAIRO-HAS-XCB-SHM-FUNCTIONS:CAPS" title="CAIRO_HAS_XCB_SHM_FUNCTIONS">CAIRO_HAS_XCB_SHM_FUNCTIONS</a>
<a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="returnvalue">cairo_surface_t</span></a> *   <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-surface-create" title="cairo_xcb_surface_create ()">cairo_xcb_surface_create</a>            (<em class="parameter"><code><span class="type">xcb_connection_t</span> *connection</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_drawable_t</span> drawable</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_visualtype_t</span> *visual</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);
<a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="returnvalue">cairo_surface_t</span></a> *   <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-surface-create-for-bitmap" title="cairo_xcb_surface_create_for_bitmap ()">cairo_xcb_surface_create_for_bitmap</a> (<em class="parameter"><code><span class="type">xcb_connection_t</span> *connection</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_screen_t</span> *screen</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_pixmap_t</span> bitmap</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);
<a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="returnvalue">cairo_surface_t</span></a> *   <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-surface-create-with-xrender-format" title="cairo_xcb_surface_create_with_xrender_format ()">cairo_xcb_surface_create_with_xrender_format</a>
                                                        (<em class="parameter"><code><span class="type">xcb_connection_t</span> *connection</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_screen_t</span> *screen</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_drawable_t</span> drawable</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_render_pictforminfo_t</span> *format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-surface-set-size" title="cairo_xcb_surface_set_size ()">cairo_xcb_surface_set_size</a>          (<em class="parameter"><code><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a> *surface</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-surface-set-drawable" title="cairo_xcb_surface_set_drawable ()">cairo_xcb_surface_set_drawable</a>      (<em class="parameter"><code><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a> *surface</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_drawable_t</span> drawable</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);
<span class="returnvalue">xcb_connection_t</span> *  <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-device-get-connection" title="cairo_xcb_device_get_connection ()">cairo_xcb_device_get_connection</a>     (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-device-debug-cap-xrender-version" title="cairo_xcb_device_debug_cap_xrender_version ()">cairo_xcb_device_debug_cap_xrender_version</a>
                                                        (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> major_version</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> minor_version</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-device-debug-cap-xshm-version" title="cairo_xcb_device_debug_cap_xshm_version ()">cairo_xcb_device_debug_cap_xshm_version</a>
                                                        (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> major_version</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> minor_version</code></em>);
<span class="returnvalue">int</span>                 <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-device-debug-get-precision" title="cairo_xcb_device_debug_get_precision ()">cairo_xcb_device_debug_get_precision</a>
                                                        (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-device-debug-set-precision" title="cairo_xcb_device_debug_set_precision ()">cairo_xcb_device_debug_set_precision</a>
                                                        (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> precision</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="cairo-XCB-Surfaces.description"></a><h2>Description</h2>
<p>
The XCB surface is used to render cairo graphics to X Window System
windows and pixmaps using the XCB library.
</p>
<p>
Note that the XCB surface automatically takes advantage of the X render
extension if it is available.
</p>
</div>
<div class="refsect1">
<a name="cairo-XCB-Surfaces.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="CAIRO-HAS-XCB-SURFACE:CAPS"></a><h3>CAIRO_HAS_XCB_SURFACE</h3>
<pre class="programlisting">#define CAIRO_HAS_XCB_SURFACE 1
</pre>
<p>
Defined if the xcb surface backend is available.
This macro can be used to conditionally compile backend-specific code.
</p>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="CAIRO-HAS-XCB-SHM-FUNCTIONS:CAPS"></a><h3>CAIRO_HAS_XCB_SHM_FUNCTIONS</h3>
<pre class="programlisting">#define CAIRO_HAS_XCB_SHM_FUNCTIONS 1
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-surface-create"></a><h3>cairo_xcb_surface_create ()</h3>
<pre class="programlisting"><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="returnvalue">cairo_surface_t</span></a> *   cairo_xcb_surface_create            (<em class="parameter"><code><span class="type">xcb_connection_t</span> *connection</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_drawable_t</span> drawable</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_visualtype_t</span> *visual</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Creates an XCB surface that draws to the given drawable.
The way that colors are represented in the drawable is specified
by the provided visual.
</p>
<p>
Note: If <em class="parameter"><code>drawable</code></em> is a Window, then the function
<a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-surface-set-size" title="cairo_xcb_surface_set_size ()"><code class="function">cairo_xcb_surface_set_size()</code></a> must be called whenever the size of the
window changes.
</p>
<p>
When <em class="parameter"><code>drawable</code></em> is a Window containing child windows then drawing to
the created surface will be clipped by those child windows.  When
the created surface is used as a source, the contents of the
children will be included.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>connection</code></em> :</span></p></td>
<td>an XCB connection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>drawable</code></em> :</span></p></td>
<td>an XCB drawable</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>visual</code></em> :</span></p></td>
<td>the visual to use for drawing to <em class="parameter"><code>drawable</code></em>. The depth
of the visual must match the depth of the drawable.
Currently, only TrueColor visuals are fully supported.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the current width of <em class="parameter"><code>drawable</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the current height of <em class="parameter"><code>drawable</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a pointer to the newly created surface. The caller
owns the surface and should call <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-destroy" title="cairo_surface_destroy ()"><code class="function">cairo_surface_destroy()</code></a> when done
with it.
This function always returns a valid pointer, but it will return a
pointer to a "nil" surface if an error such as out of memory
occurs. You can use <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-status" title="cairo_surface_status ()"><code class="function">cairo_surface_status()</code></a> to check for this.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-surface-create-for-bitmap"></a><h3>cairo_xcb_surface_create_for_bitmap ()</h3>
<pre class="programlisting"><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="returnvalue">cairo_surface_t</span></a> *   cairo_xcb_surface_create_for_bitmap (<em class="parameter"><code><span class="type">xcb_connection_t</span> *connection</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_screen_t</span> *screen</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_pixmap_t</span> bitmap</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Creates an XCB surface that draws to the given bitmap.
This will be drawn to as a <a class="link" href="cairo-Image-Surfaces.html#CAIRO-FORMAT-A1:CAPS"><code class="literal">CAIRO_FORMAT_A1</code></a> object.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>connection</code></em> :</span></p></td>
<td>an XCB connection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>screen</code></em> :</span></p></td>
<td>the XCB screen associated with <em class="parameter"><code>bitmap</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bitmap</code></em> :</span></p></td>
<td>an XCB drawable (a Pixmap with depth 1)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the current width of <em class="parameter"><code>bitmap</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the current height of <em class="parameter"><code>bitmap</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a pointer to the newly created surface. The caller
owns the surface and should call <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-destroy" title="cairo_surface_destroy ()"><code class="function">cairo_surface_destroy()</code></a> when done
with it.
This function always returns a valid pointer, but it will return a
pointer to a "nil" surface if an error such as out of memory
occurs. You can use <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-status" title="cairo_surface_status ()"><code class="function">cairo_surface_status()</code></a> to check for this.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-surface-create-with-xrender-format"></a><h3>cairo_xcb_surface_create_with_xrender_format ()</h3>
<pre class="programlisting"><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="returnvalue">cairo_surface_t</span></a> *   cairo_xcb_surface_create_with_xrender_format
                                                        (<em class="parameter"><code><span class="type">xcb_connection_t</span> *connection</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_screen_t</span> *screen</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_drawable_t</span> drawable</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_render_pictforminfo_t</span> *format</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Creates an XCB surface that draws to the given drawable.
The way that colors are represented in the drawable is specified
by the provided picture format.
</p>
<p>
Note: If <em class="parameter"><code>drawable</code></em> is a Window, then the function
<a class="link" href="cairo-XCB-Surfaces.html#cairo-xcb-surface-set-size" title="cairo_xcb_surface_set_size ()"><code class="function">cairo_xcb_surface_set_size()</code></a> must be called whenever the size of the
window changes.
</p>
<p>
When <em class="parameter"><code>drawable</code></em> is a Window containing child windows then drawing to
the created surface will be clipped by those child windows.  When
the created surface is used as a source, the contents of the
children will be included.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>connection</code></em> :</span></p></td>
<td>an XCB connection</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>screen</code></em> :</span></p></td>
<td>the XCB screen associated with <em class="parameter"><code>drawable</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>drawable</code></em> :</span></p></td>
<td>an XCB drawable</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format</code></em> :</span></p></td>
<td>the picture format to use for drawing to <em class="parameter"><code>drawable</code></em>. The
depth of <em class="parameter"><code>format</code></em> mush match the depth of the drawable.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the current width of <em class="parameter"><code>drawable</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the current height of <em class="parameter"><code>drawable</code></em>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a pointer to the newly created surface. The caller
owns the surface and should call <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-destroy" title="cairo_surface_destroy ()"><code class="function">cairo_surface_destroy()</code></a> when done
with it.
This function always returns a valid pointer, but it will return a
pointer to a "nil" surface if an error such as out of memory
occurs. You can use <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-status" title="cairo_surface_status ()"><code class="function">cairo_surface_status()</code></a> to check for this.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-surface-set-size"></a><h3>cairo_xcb_surface_set_size ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                cairo_xcb_surface_set_size          (<em class="parameter"><code><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a> *surface</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Informs cairo of the new size of the XCB drawable underlying the
surface. For a surface created for a window (rather than a pixmap),
this function must be called each time the size of the window
changes. (For a subwindow, you are normally resizing the window
yourself, but for a toplevel window, it is necessary to listen for
ConfigureNotify events.)
</p>
<p>
A pixmap can never change size, so it is never necessary to call
this function on a surface created for a pixmap.
</p>
<p>
If <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-flush" title="cairo_surface_flush ()"><code class="function">cairo_surface_flush()</code></a> wasn't called, some pending operations
might be discarded.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>surface</code></em> :</span></p></td>
<td>a <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a> for the XCB backend</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the new width of the surface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the new height of the surface</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-surface-set-drawable"></a><h3>cairo_xcb_surface_set_drawable ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                cairo_xcb_surface_set_drawable      (<em class="parameter"><code><a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a> *surface</code></em>,
                                                         <em class="parameter"><code><span class="type">xcb_drawable_t</span> drawable</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Informs cairo of the new drawable and size of the XCB drawable underlying the
surface.
</p>
<p>
If <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-flush" title="cairo_surface_flush ()"><code class="function">cairo_surface_flush()</code></a> wasn't called, some pending operations
might be discarded.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>surface</code></em> :</span></p></td>
<td>a <a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a> for the XCB backend</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>drawable</code></em> :</span></p></td>
<td>the new drawable of the surface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>the new width of the surface</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>the new height of the surface</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-device-get-connection"></a><h3>cairo_xcb_device_get_connection ()</h3>
<pre class="programlisting"><span class="returnvalue">xcb_connection_t</span> *  cairo_xcb_device_get_connection     (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>);</pre>
<p>
Get the connection for the XCB device.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>device</code></em> :</span></p></td>
<td>a <a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> for the XCB backend</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the <span class="type">xcb_connection_t</span> for the connection</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-device-debug-cap-xrender-version"></a><h3>cairo_xcb_device_debug_cap_xrender_version ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                cairo_xcb_device_debug_cap_xrender_version
                                                        (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> major_version</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> minor_version</code></em>);</pre>
<p>
Restricts all future XCB surfaces for this devices to the specified version
of the RENDER extension. This function exists solely for debugging purpose.
It let's you find out how cairo would behave with an older version of
the RENDER extension.
</p>
<p>
Use the special values -1 and -1 for disabling the RENDER extension.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>device</code></em> :</span></p></td>
<td>a <a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> for the XCB backend</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>major_version</code></em> :</span></p></td>
<td>major version to restrict to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>minor_version</code></em> :</span></p></td>
<td>minor version to restrict to</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-device-debug-cap-xshm-version"></a><h3>cairo_xcb_device_debug_cap_xshm_version ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                cairo_xcb_device_debug_cap_xshm_version
                                                        (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> major_version</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> minor_version</code></em>);</pre>
<p>
Restricts all future XCB surfaces for this devices to the specified version
of the SHM extension. This function exists solely for debugging purpose.
It let's you find out how cairo would behave with an older version of
the SHM extension.
</p>
<p>
Use the special values -1 and -1 for disabling the SHM extension.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>device</code></em> :</span></p></td>
<td>a <a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> for the XCB backend</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>major_version</code></em> :</span></p></td>
<td>major version to restrict to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>minor_version</code></em> :</span></p></td>
<td>minor version to restrict to</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-device-debug-get-precision"></a><h3>cairo_xcb_device_debug_get_precision ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 cairo_xcb_device_debug_get_precision
                                                        (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>);</pre>
<p>
Get the Xrender precision mode.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>device</code></em> :</span></p></td>
<td>a <a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> for the XCB backend</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the render precision mode</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
<hr>
<div class="refsect2">
<a name="cairo-xcb-device-debug-set-precision"></a><h3>cairo_xcb_device_debug_set_precision ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                cairo_xcb_device_debug_set_precision
                                                        (<em class="parameter"><code><a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> *device</code></em>,
                                                         <em class="parameter"><code><span class="type">int</span> precision</code></em>);</pre>
<p>
Render supports two modes of precision when rendering trapezoids. Set
the precision to the desired mode.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>device</code></em> :</span></p></td>
<td>a <a class="link" href="cairo-cairo-device-t.html#cairo-device-t" title="cairo_device_t"><span class="type">cairo_device_t</span></a> for the XCB backend</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>precision</code></em> :</span></p></td>
<td>the precision to use</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.12</p>
</div>
</div>
<div class="refsect1">
<a name="cairo-XCB-Surfaces.see-also"></a><h2>See Also</h2>
<a class="link" href="cairo-cairo-surface-t.html#cairo-surface-t" title="cairo_surface_t"><span class="type">cairo_surface_t</span></a>
</div>
</div>
<div class="footer">
<hr>
          Generated by GTK-Doc V1.19</div>
</body>
</html>