Originally: 2005-02-24 Carl Worth <cworth@cworth.org>

Add const qualifier to cairo_user_data_key_t arguments.
Originally: 2005-02-15 Kristian Høgsberg <krh@redhat.com>
Add these two functions to set and get user data on an surface.
Function prototypes for new functions.
Test case for user data functions.

1 files changed, 70 insertions, 0 deletions

diff --git a/test/user-data.c b/test/user-data.c
new file mode 100644
index 000000000..45dc868f3
--- /dev/null
+++ b/test/user-data.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright © 2005 Red Hat, Inc.
+ *
+ * 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
+ * Red Hat, Inc. not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior
+ * permission. Red Hat, Inc. makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Kristian Høgsberg <krh@redhat.com>
+ */
+
+#include <cairo.h>
+#include <assert.h>
+#include <stdlib.h>
+
+static void
+destroy_data1 (void *p)
+{
+    *(int *) p = 1;
+}
+
+static void
+destroy_data2 (void *p)
+{
+    *(int *) p = 2;
+}
+
+int
+main (void)
+{
+    cairo_surface_t *surface;
+    static const cairo_user_data_key_t key1, key2;
+    int data1, data2;
+
+    data1 = 0;
+    data2 = 0;
+    surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1);
+    assert (cairo_surface_set_user_data (surface, &key1, &data1, destroy_data1)
+	    == CAIRO_STATUS_SUCCESS);
+    assert (cairo_surface_set_user_data (surface, &key2, &data2, destroy_data2)
+	    == CAIRO_STATUS_SUCCESS);
+    assert (cairo_surface_get_user_data (surface, &key1) == &data1);
+    assert (cairo_surface_set_user_data (surface, &key1, NULL, NULL)
+	    == CAIRO_STATUS_SUCCESS);
+    assert (data1 == 1);
+    assert (data2 == 0);
+
+    data1 = 0;
+    assert (cairo_surface_set_user_data (surface, &key1, &data1, destroy_data1)
+	    == CAIRO_STATUS_SUCCESS);
+    cairo_surface_destroy (surface);
+    assert (data1 = 1);
+    assert (data2 = 2);
+
+    return 0;
+}