Add ClutterKeyframeTransition

A simple transition class that interpolates a property between key
frames.

1 files changed, 105 insertions, 0 deletions

diff --git a/clutter/clutter-keyframe-transition.h b/clutter/clutter-keyframe-transition.h
new file mode 100644
index 000000000..ce1016dce
--- /dev/null
+++ b/clutter/clutter-keyframe-transition.h
@@ -0,0 +1,105 @@
+/*
+ * Clutter.
+ *
+ * An OpenGL based 'interactive canvas' library.
+ *
+ * Copyright (C) 2012 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that 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 library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Emmanuele Bassi <ebassi@linux.intel.com>
+ */
+
+#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
+#error "Only <clutter/clutter.h> can be included directly."
+#endif
+
+#ifndef __CLUTTER_KEYFRAME_TRANSITION_H__
+#define __CLUTTER_KEYFRAME_TRANSITION_H__
+
+#include <clutter/clutter-types.h>
+#include <clutter/clutter-property-transition.h>
+
+G_BEGIN_DECLS
+
+#define CLUTTER_TYPE_KEYFRAME_TRANSITION                (clutter_keyframe_transition_get_type ())
+#define CLUTTER_KEYFRAME_TRANSITION(obj)                (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_KEYFRAME_TRANSITION, ClutterKeyframeTransition))
+#define CLUTTER_IS_KEYFRAME_TRANSITION(obj)             (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_KEYFRAME_TRANSITION))
+#define CLUTTER_KEYFRAME_TRANSITION_CLASS(klass)        (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_KEYFRAME_TRANSITION, ClutterKeyframeTransitionClass))
+#define CLUTTER_IS_KEYFRAME_TRANSITION_CLASS(klass)     (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_KEYFRAME_TRANSITION))
+#define CLUTTER_KEYFRAME_TRANSITION_GET_CLASS(obj)      (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_KEYFRAME_TRANSITION, ClutterKeyframeTransitionClass))
+
+typedef struct _ClutterKeyframeTransitionPrivate        ClutterKeyframeTransitionPrivate;
+typedef struct _ClutterKeyframeTransitionClass          ClutterKeyframeTransitionClass;
+
+/**
+ * ClutterKeyframeTransition:
+ *
+ * FIXME
+ *
+ * Since: 1.12
+ */
+struct _ClutterKeyframeTransition
+{
+  /*< private >*/
+  ClutterPropertyTransition parent_instance;
+
+  ClutterKeyframeTransitionPrivate *priv;
+};
+
+/**
+ * ClutterKeyframeTransitionClass:
+ *
+ * FIXME
+ *
+ * Since: 1.12
+ */
+struct _ClutterKeyframeTransitionClass
+{
+  /*< private >*/
+  ClutterPropertyTransitionClass parent_class;
+
+  gpointer _padding[8];
+};
+
+CLUTTER_AVAILABLE_IN_1_12
+GType clutter_keyframe_transition_get_type (void) G_GNUC_CONST;
+
+CLUTTER_AVAILABLE_IN_1_12
+ClutterTransition *     clutter_keyframe_transition_new                 (const char *property_name);
+
+CLUTTER_AVAILABLE_IN_1_12
+void                    clutter_keyframe_transition_set_key_frames      (ClutterKeyframeTransition  *transition,
+                                                                         guint                       n_key_frames,
+                                                                         const double               *key_frames);
+CLUTTER_AVAILABLE_IN_1_12
+void                    clutter_keyframe_transition_set_values          (ClutterKeyframeTransition  *transition,
+                                                                         guint                       n_values,
+                                                                         const GValue               *values);
+CLUTTER_AVAILABLE_IN_1_12
+void                    clutter_keyframe_transition_set_modes           (ClutterKeyframeTransition  *transition,
+                                                                         guint                       n_modes,
+                                                                         const ClutterAnimationMode *modes);
+CLUTTER_AVAILABLE_IN_1_12
+void                    clutter_keyframe_transition_set                 (ClutterKeyframeTransition  *transition,
+                                                                         GType                       gtype,
+                                                                         guint                       n_key_frames,
+                                                                         ...);
+
+CLUTTER_AVAILABLE_IN_1_12
+void                    clutter_keyframe_transition_clear               (ClutterKeyframeTransition  *transition);
+
+G_END_DECLS
+
+#endif /* __CLUTTER_KEYFRAME_TRANSITION_H__ */