1 /*
2  * Copyright © 2008 Chris Wilson
3  *
4  * Permission to use, copy, modify, distribute, and sell this software
5  * and its documentation for any purpose is hereby granted without
6  * fee, provided that the above copyright notice appear in all copies
7  * and that both that copyright notice and this permission notice
8  * appear in supporting documentation, and that the name of
9  * Chris Wilson not be used in advertising or publicity pertaining to
10  * distribution of the software without specific, written prior
11  * permission. Chris Wilson makes no representations about the
12  * suitability of this software for any purpose.  It is provided "as
13  * is" without express or implied warranty.
14  *
15  * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17  * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
18  * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
21  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
22  *
23  * Author: Chris Wilson <chris@chris-wilson.co.uk>
24  */
25 
26 #include "cairo-test.h"
27 #include <cairo-xlib.h>
28 #if CAIRO_HAS_XLIB_XRENDER_SURFACE
29 #include <cairo-xlib-xrender.h>
30 #endif
31 
32 #include "surface-source.c"
33 
34 static cairo_user_data_key_t closure_key;
35 
36 struct closure {
37     cairo_device_t *device;
38     Display *dpy;
39     Pixmap pix;
40 };
41 
42 static void
cleanup(void * data)43 cleanup (void *data)
44 {
45     struct closure *arg = data;
46 
47     cairo_device_finish (arg->device);
48     cairo_device_destroy (arg->device);
49 
50     XFreePixmap (arg->dpy, arg->pix);
51     XCloseDisplay (arg->dpy);
52 
53     free (arg);
54 }
55 
56 static cairo_surface_t *
create_source_surface(int size)57 create_source_surface (int size)
58 {
59 #if CAIRO_HAS_XLIB_XRENDER_SURFACE
60     XRenderPictFormat *xrender_format;
61     struct closure *data;
62     cairo_surface_t *surface;
63 
64     data = xmalloc (sizeof (struct closure));
65 
66     data->dpy = XOpenDisplay (NULL);
67     if (!data->dpy) {
68 	return NULL;
69     }
70 
71     xrender_format = XRenderFindStandardFormat (data->dpy, PictStandardARGB32);
72 
73     data->pix = XCreatePixmap (data->dpy, DefaultRootWindow (data->dpy),
74 			       size, size, xrender_format->depth);
75 
76     surface = cairo_xlib_surface_create_with_xrender_format (data->dpy,
77 	                                                     data->pix,
78 							     DefaultScreenOfDisplay (data->dpy),
79 							     xrender_format,
80 							     size, size);
81     data->device = cairo_device_reference (cairo_surface_get_device (surface));
82     if (cairo_surface_set_user_data (surface, &closure_key, data, cleanup)) {
83 	cairo_surface_finish (surface);
84 	cairo_surface_destroy (surface);
85 	cleanup (data);
86 	return NULL;
87     }
88 
89     return surface;
90 #else
91     return NULL;
92 #endif
93 }
94 
95 CAIRO_TEST (xlib_surface_source,
96 	    "Test using a Xlib surface as the source",
97 	    "source", /* keywords */
98 	    NULL, /* requirements */
99 	    SIZE, SIZE,
100 	    preamble, draw)
101