tests: add an interactive test for rotate and zoom actions

https://bugzilla.gnome.org/show_bug.cgi?id=698836

tests/interactive/Makefile.am

@@ -49,7 +49,8 @@ UNIT_TESTS = \
 	test-content.c \
 	test-keyframe-transition.c \
 	test-bind-constraint.c \
-	test-touch-events.c
+	test-touch-events.c \
+	test-rotate-zoom.c
 
 if X11_TESTS
 UNIT_TESTS += test-pixmap.c

tests/interactive/test-rotate-zoom.c

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2013 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+#include <stdlib.h>
+#include <math.h>
+#include <cairo.h>
+#include <glib.h>
+#include <clutter/clutter.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#define STAGE_WIDTH 800
+#define STAGE_HEIGHT 550
+
+static ClutterActor *
+create_hand (void)
+{
+  GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file (TESTS_DATADIR G_DIR_SEPARATOR_S "redhand.png", NULL);
+  ClutterContent *image = clutter_image_new ();
+  ClutterActor *actor = clutter_actor_new ();
+
+  clutter_image_set_data (CLUTTER_IMAGE (image),
+                          gdk_pixbuf_get_pixels (pixbuf),
+                          gdk_pixbuf_get_has_alpha (pixbuf)
+                            ? COGL_PIXEL_FORMAT_RGBA_8888
+                            : COGL_PIXEL_FORMAT_RGB_888,
+                          gdk_pixbuf_get_width (pixbuf),
+                          gdk_pixbuf_get_height (pixbuf),
+                          gdk_pixbuf_get_rowstride (pixbuf),
+                          NULL);
+  clutter_actor_set_content (actor, image);
+  clutter_actor_set_size (actor,
+                          gdk_pixbuf_get_width (pixbuf),
+                          gdk_pixbuf_get_height (pixbuf));
+  clutter_actor_set_reactive (actor, TRUE);
+
+  g_object_unref (pixbuf);
+
+  return actor;
+}
+
+G_MODULE_EXPORT int
+test_rotate_zoom_main (int argc, char *argv[])
+{
+  ClutterActor *stage, *actor;
+  gfloat width, height;
+
+#ifdef CLUTTER_WINDOWING_X11
+  clutter_x11_enable_xinput ();
+#endif
+
+  /* initialize Clutter */
+  if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
+    return EXIT_FAILURE;
+
+  /* create a resizable stage */
+  stage = clutter_stage_new ();
+  g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
+  clutter_stage_set_title (CLUTTER_STAGE (stage), "Rotate and Zoom actions");
+  clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
+  clutter_actor_set_size (stage, STAGE_WIDTH, STAGE_HEIGHT);
+  clutter_actor_set_reactive (stage, FALSE);
+  clutter_actor_show (stage);
+
+  actor = create_hand ();
+  clutter_actor_add_action (actor, clutter_rotate_action_new ());
+  clutter_actor_add_action (actor, clutter_zoom_action_new ());
+  clutter_actor_add_child (stage, actor);
+
+  clutter_actor_get_size (actor, &width, &height);
+  clutter_actor_set_position (actor,
+                              STAGE_WIDTH / 2 - width / 2,
+                              STAGE_HEIGHT / 2 - height / 2);
+
+  clutter_main ();
+
+  return EXIT_SUCCESS;
+}
+
+G_MODULE_EXPORT const char *
+test_rotate_zoom_describe (void)
+{
+  return "Rotates and zooms an actor using touch events";
+}