From 530ffd0b7d3c39757b20f00716e486b5caf89aff Mon Sep 17 00:00:00 2001 From: sanine Date: Wed, 12 Oct 2022 12:03:23 -0500 Subject: add cairo --- libs/cairo-1.16.0/test/xcb-surface-source.c | 149 ++++++++++++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 libs/cairo-1.16.0/test/xcb-surface-source.c (limited to 'libs/cairo-1.16.0/test/xcb-surface-source.c') diff --git a/libs/cairo-1.16.0/test/xcb-surface-source.c b/libs/cairo-1.16.0/test/xcb-surface-source.c new file mode 100644 index 0000000..d2c7a13 --- /dev/null +++ b/libs/cairo-1.16.0/test/xcb-surface-source.c @@ -0,0 +1,149 @@ +/* + * Copyright © 2009 Chris Wilson + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Chris Wilson not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Chris Wilson makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Chris Wilson + */ + +#include "cairo-test.h" +#if CAIRO_HAS_XCB_SURFACE +#include +#endif + +#include "surface-source.c" + +#if CAIRO_HAS_XCB_SURFACE +static cairo_user_data_key_t closure_key; + +struct closure { + cairo_device_t *device; + xcb_connection_t *connection; + xcb_pixmap_t pixmap; +}; + +static void +cleanup (void *data) +{ + struct closure *arg = data; + + cairo_device_finish (arg->device); + cairo_device_destroy (arg->device); + + xcb_free_pixmap (arg->connection, arg->pixmap); + xcb_disconnect (arg->connection); + + free (arg); +} + +static xcb_render_pictforminfo_t * +find_depth (xcb_connection_t *connection, int depth, void **formats_out) +{ + xcb_render_query_pict_formats_reply_t *formats; + xcb_render_query_pict_formats_cookie_t cookie; + xcb_render_pictforminfo_iterator_t i; + + cookie = xcb_render_query_pict_formats (connection); + xcb_flush (connection); + + formats = xcb_render_query_pict_formats_reply (connection, cookie, 0); + if (formats == NULL) + return NULL; + + for (i = xcb_render_query_pict_formats_formats_iterator (formats); + i.rem; + xcb_render_pictforminfo_next (&i)) + { + if (XCB_RENDER_PICT_TYPE_DIRECT != i.data->type) + continue; + + if (depth != i.data->depth) + continue; + + *formats_out = formats; + return i.data; + } + + free (formats); + return NULL; +} +#endif + +static cairo_surface_t * +create_source_surface (int size) +{ +#if CAIRO_HAS_XCB_SURFACE + xcb_connection_t *connection; + xcb_render_pictforminfo_t *render_format; + struct closure *data; + cairo_surface_t *surface; + xcb_screen_t *root; + xcb_void_cookie_t cookie; + void *formats; + + connection = xcb_connect (NULL, NULL); + if (connection == NULL) + return NULL; + + data = xmalloc (sizeof (struct closure)); + data->connection = connection; + + render_format = find_depth (connection, 32, &formats); + if (render_format == NULL) { + xcb_disconnect (connection); + free (data); + return NULL; + } + + root = xcb_setup_roots_iterator (xcb_get_setup (connection)).data; + + data->pixmap = xcb_generate_id (connection); + cookie = xcb_create_pixmap_checked (connection, 32, + data->pixmap, root->root, size, size); + /* slow, but sure */ + if (xcb_request_check (connection, cookie) != NULL) { + free (formats); + xcb_disconnect (connection); + free (data); + return NULL; + } + + surface = cairo_xcb_surface_create_with_xrender_format (connection, + root, + data->pixmap, + render_format, + size, size); + free (formats); + + data->device = cairo_device_reference (cairo_surface_get_device (surface)); + cairo_surface_set_user_data (surface, &closure_key, data, cleanup); + + return surface; +#else + return NULL; +#endif +} + +CAIRO_TEST (xcb_surface_source, + "Test using a XCB surface as the source", + "source", /* keywords */ + NULL, /* requirements */ + SIZE, SIZE, + preamble, draw) -- cgit v1.2.1