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1 Clutter Overview 2009/09/11 Youngsik Yoon Software Application Engineer

2 Agenda Moblin UI Clutter Clutter 2

3 Moblin UI

4 Moblin UI Services Customer Provided UI / Apps WM + Clutter Compositor Platform Specific UX Clutter toolkit Reference UX UI Services QT GTK+ 3D User Interface Library (Clutter) QT Embed (clutter-qt) GTK Embed (clutter-gtk) Media Playback (clutter-media) Web Rendering (mozilla-clutter) Physics (Box2D) App Services 3 rd Party Cellular Stack Comms Services Network Mgmt (ConnMan) Telephony APIs (Telepathy, GSM) IP VoIP, IM, Presence WiFi / WiMAX (Drivers, OMA-DM) Bluetooth (BlueZ) Internet Services Layout Engine (Mozilla Gecko) Web Services (REST, Mojito) Location (Gypsy, GeoClue) Media Services Media Services (GStreamer, Helix) Audio Mgmt (PulseAudio) Content Mgmt (Bickley) Codecs Graphics Services 3D Graphics (OpenGL) i18n Rendering (Pango) 2D Graphics (Cairo) X Other Services Message Bus (D-Bus) C Services (Glib, GObject) PIM Services (EDS) Device Sync (SyncML, gupnp) Moblin Core Linux Kernel WiFi, WiMAX Bluetooth, 3G Data Power Mgmt Linux Base Services Device Drivers Platform Support Graphics system 4

5 Moblin UI Moblin Core UI : Native Clutter GTK (with optional embedded Clutter) QT (with optional embedded Clutter) 5

6 UI : Native Clutter 3D UI GTK (GTKClutterEmbed) 6

7 Clutter

8 Clutter 3D UI OpenGL 2D 3D objectoriented API GNOME - glib, gobject, pango C Python, Perl, C# GNU LGPL 8

9 Clutter (1) 2D 3D SVG, PNG, JPEG Pango UTF8 ( ) 9

10 Clutter (2) JSON(JavaScript Object Notation) Web Mozilla Gecko Box2D Gstreamer (Helix ) 10

11 Clutter

12 06/ basic API, GL 1.2 support only 01/ Pango/OpenGL support, animation framework, fixed point, 08/ OpenGL ES 1.1, multiple backends, tslib support, simple effects API 02/ Per-actor event handling, UI definition language, highprecision units, shaders, new Pango Cairo or OpenGL, FBOs, Quartz backend 07/ Public COGL API, OpenGL 1.4+, OpenGL ES 2.0, size negotiation rework, native win32 backend the future: 1.0 Consolidation, toolkit requests, PBOs, light sources, materials, feature requests 12

13 Clutter GTK+ GLib C GObject - Object oriented runtime GdkPixbuf Cairo - 2D vector >Pango Pango 13

14 Clutter Ubuntu 8.04 hardy /etc/apt/sources.list deb hardy/ $sudo apt-get update $sudo apt-get install libclutter-0.8-dev $sudo apt-get install subversion $svn co clutter $cd clutter $./autogen.sh --prefix=/usr $make $sudo make install 14

15 Stage Clutter Stage Stage Actor Canvas Clutter default Stage clutter_init() clutter_stage_get_default() 15

16 Actors 3D 2D ClutterStage Stage Actor ClutterRectangle ClutterLabel ClutterEntry ClutterTexture Actor Actor Actor Container Container ClutterStage ClutterGroup 16

17 Events Actor Signal button-press-event Actor button-release-event Actor motion-event Actor enter-event Actor leave-event Actor Stage Actor default Signal clutter_actor_set_reactive() Signal TRUE 17

18 Sample(1) Stage, Actor, Event 18

19 Sample(1) 19

20 Timelines Animation frame new-frame Signal (effect) (behaviour) Score Timeline Actor (floating reference) g_object_unref() Timeline completed Signal 20

21 Behaviours Actor Actor Timeline Timeline g_object_unref() Clutter Behaviour ClutterBehaviourBspline Actor ClutterBehaviourDepth Z Actor ClutterBehaviourEllipse Actor ClutterBehaviourOpacity Actor ClutterBehaviourPath Actor ClutterBehaviourRotate Actor ClutterBehaviourScale Actor 21

22 Alpha ClutterBehaviour ClutterAlpha alpha_func() callback alpha_func() callback 0 ~ CLUTTER_ALPHA_MAX_ALPHA Clutter callback (CLUTTER_ALPHA_SINE_INC, CLUTTER_ALPHA_RAMP_INC ) 22

23 Sample(2) - Animation 23

24 Sample(2) 24

25 GTKClutterEmbed GTK GTKClutterEmbed widget ClutterStage GTK widget gtk_clutter_embed_new() GTKClutterEmbed widget gtk_clutter_embed_get_stage() GTKClutterEmbed widget ClutterStage clutter_init() gtk_clutter_init() clutter_main() GTK gtk_main() 25

26 Sample(3) - GTKClutterEmbed 26

27 Sample(3) 27

28 Sample(4) Full Example 28

29 Clutter Moblin2 Netbook!!! 29

30 Website Mailing list archive IRC channel #clutter on irc.gnome.org Source repository git clone git://git.clutter-project.org/clutter 30

ÆþÌçGTK+

ÆþÌçGTK+ 1 1 GTK+ 1.1 GTK+ GTK+ *1 GUI Graphical User Interface GIMP * 2 1.1 GIMP GNOME *3 GTK+ + GTK+ 2 Pango ATK cairo 2 GTK+ GLib... 1.1 GIMP *1 GTK+ The GIMP Toolkit : http://www.gtk.org/ *2 GIMP The GNU Image