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af26560f25
Various minor tweaks to convert asserts into error returns and to improve error checking on intermediate surfaces.
100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/*
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* Copyright © 2008 Chris Wilson
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*
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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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*
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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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*
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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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{
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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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}
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static cairo_surface_t *
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create_source_surface (int size)
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{
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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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}
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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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}
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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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}
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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)
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