Grcov report - xlib-surface-source.c

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/*

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 * Copyright © 2008 Chris Wilson

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 * Permission to use, copy, modify, distribute, and sell this software

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 * and its documentation for any purpose is hereby granted without

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 * fee, provided that the above copyright notice appear in all copies

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 * and that both that copyright notice and this permission notice

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 * appear in supporting documentation, and that the name of

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 * Chris Wilson not be used in advertising or publicity pertaining to

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 * distribution of the software without specific, written prior

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 * permission. Chris Wilson makes no representations about the

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 * suitability of this software for any purpose.  It is provided "as

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 * is" without express or implied warranty.

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 * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS

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 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND

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 * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,

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 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER

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 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION

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 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR

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 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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 * Author: Chris Wilson <chris@chris-wilson.co.uk>

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*/

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#include "cairo-test.h"

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#include <cairo-xlib.h>

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#if CAIRO_HAS_XLIB_XRENDER_SURFACE

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#include <cairo-xlib-xrender.h>

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#endif

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#include "surface-source.c"

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static cairo_user_data_key_t closure_key;

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struct closure {

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    cairo_device_t *device;

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    Display *dpy;

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    Pixmap pix;

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};

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static void

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cleanup (void *data)

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    struct closure *arg = data;

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    cairo_device_finish (arg->device);

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    cairo_device_destroy (arg->device);

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    XFreePixmap (arg->dpy, arg->pix);

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    XCloseDisplay (arg->dpy);

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    free (arg);

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static cairo_surface_t *

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create_source_surface (int size)

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#if CAIRO_HAS_XLIB_XRENDER_SURFACE

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    XRenderPictFormat *xrender_format;

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    struct closure *data;

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    cairo_surface_t *surface;

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    data = xmalloc (sizeof (struct closure));

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    data->dpy = XOpenDisplay (NULL);

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    if (!data->dpy) {

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	return NULL;

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    xrender_format = XRenderFindStandardFormat (data->dpy, PictStandardARGB32);

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    data->pix = XCreatePixmap (data->dpy, DefaultRootWindow (data->dpy),

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			       size, size, xrender_format->depth);

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    surface = cairo_xlib_surface_create_with_xrender_format (data->dpy,

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	                                                     data->pix,

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							     DefaultScreenOfDisplay (data->dpy),

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							     xrender_format,

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							     size, size);

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    data->device = cairo_device_reference (cairo_surface_get_device (surface));

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    if (cairo_surface_set_user_data (surface, &closure_key, data, cleanup)) {

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	cairo_surface_finish (surface);

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	cairo_surface_destroy (surface);

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	cleanup (data);

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	return NULL;

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    return surface;

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#else

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    return NULL;

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#endif

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CAIRO_TEST (xlib_surface_source,

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	    "Test using a Xlib surface as the source",

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	    "source", /* keywords */

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	    NULL, /* requirements */

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	    SIZE, SIZE,

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	    preamble, draw)