ANNOUNCE: Clutter 1.7.2 (snapshot)

Good news, everyone!

A new Clutter snapshot is now available at:

SHA256 Checksum:

7b9b24d82ccb28fdb94b7ee879d8f102e810ae00364f9071d46b0aca0d562ce7  clutter-1.7.2.tar.bz2

Additionally, a git clone of the source tree:
  git clone git://

will include a signed 1.7.2 tag which points to a commit named:

which can be verified with:
  git verify-tag 1.7.2

and can be checked out with a command such as:
  git checkout -b build 1.7.2

Clutter is a library for creating compelling, dynamic and portable graphical
user interfaces. Clutter is released under the terms of the GNU Lesser
General Public License, version 2.1 or (at your option) later.

Clutter depends on:
  GLib ≥ 2.26.0
  JSON-GLib ≥ 0.12.0
  Cairo ≥ 1.10
  Pango ≥ 1.20
  Atk ≥ 1.17
  OpenGL ≥ 1.3 (or 1.2 + multi-texturing), OpenGL|ES 1.1 or 2.0
  GLX, WGL, Quartz, or an EGL implementation

Clutter also has platform-specific dependencies; for more information, see
the README file included in the release.


Release Notes:
  - This is an unstable snapshot of Clutter; there are no compatibility
    guarantees for API added during a development cycle.
  - This version is API and ABI compatible with the current stable
    release of Clutter.
  - Installing the contents of this release will overwrite the files
    from the installation of the current release of Clutter.
  - Bugs should be reported on the Clutter Bugzilla product, at:

  • List of changes since Clutter 1.6.0

    - Cogl moved out of tree
    The Clutter OpenGL abstraction library has been moved to a separate
    repository and can be used as a stand-alone shared library. Clutter
    has been modified to depend on Cogl's experimental API.

    - Correctly composite non fully opaque children
    Non fully opauqe actors with non fully opaque children will automatically
    redirect children paint operations to offscreen buffers, which allow
    correct composition taking into account the overall opacity of the scene's
    sub-graph. The same mechanism can be used to create a paint cache, and
    paint that cache when the actor or its children do not change, instead of
    painting the whole sub-graph again.

    - Allow connecting signals to ClutterState states in ClutterScript
    When defining a scene using ClutterScript it's possible to directly
    connect a state inside a ClutterState object (both defined in
    ClutterScript or in code) to an object's signal, without using an
    explicit signal handler in the code.

    - Long-press handling in ClutterClickAction
    ClutterClickAction will detect a long-press gesture and emit signals
    to query, activation and cancellation.

    - Added ClutterGestureAction and ClutterSwipeAction
    ClutterGestureAction is a generic "pointer gesture" action; it doesn't
    provide an implementation: it's up to the developer to add the gesture
    recognition code. ClutterSwipeAction is a GestureAction sub-class that
    implement the "swipe" gesture. The GestureAction API is already future
    proof for multi-device/multi-touch, even though the multi-touch isn't
    currently implemented.

    - Allow Effects to influence picking
    Effects that change the geometry of a ClutterActor should also be
    allowed to change the picking code to make sure that event handling
    keeps working. ClutterEffect has a new pick() virtual function for
    these cases.

  • List of bugs fixes since Clutter 1.6.0
    #2257 - clutter fails to link on OS X (10.6)
    #2447 - atkevents example crashes is the accessibility is disabled
    #2482 - Cally should avoid to provide a default name and description
    #2484 - It would be nice to have the old cally Changelog
    #2553 - new ClutterText API to access the Pango layout offsets
    #2555 - Per-framebuffer journal causes corruptions
    #2562 - Crash upon running Clutter-based programs
    #2585 - add ClutterAction for slide gestures
    #2588 - Assertion failure in _cogl_pipeline_set_layer_texture_target
    #2595 - clutter-text: Add a selected-text-color
    #2597 - CallyStage doesn't have a proper parent
    #2599 - The paint volume for ClutterText is wrong
    #2602 - Expose events ignored when doing clipped redraws
    #2610 - Add recipe about implementing a ClutterEffect
    #2619 - Removes the addition of the .exe extension to unit-test scripts,
            on win32.
    #2620 - _cogl_offscreen_new_to_texture_full() leaks reference when failing
    #2621 - Clutter segfaults if you queue a redraw of an unmapped actor inside
            the notify::mapped callback
    #2631 - [PATCH] Enable evdev ClutterInputDevice objects on creation, as the
            other backends do
    #2632 - [PATCH] GL_IMG_TEXTURE_NPOT enables non-power-of-two features
    #2633 - Make the pick id pool a per-Stage resource
    #2640 - [patch] allow single-bit imprecision in some conformance tests
    #2644 - Quartz backend: "Bare" modifier keypresses not generating events
    #2652 - clutter_actor_queue_redraw() on destroyed stage
    #2655 - segfault when disposing a slave device without a master
    #2656 - Clutter can crash when destroying a stage from an event
    #2667 - git head won't build under Win32

    #650665 - CallyActor shouldn't add by default "press", "release"
              and "click"
    #647875 - Use Cairo to dump the pick buffers
    #647876 - Make the pick if pool a per-Stage resource
    #650487 - Sync allocation in ClutterBoxLayout with the one in GtkBox
    #650597 - clutter-id-pool: fix warning on bad pick
    #650650 - clutter-offscreen-effect: use target size when setting up
              the viewport
    #651700 - Give a chance to effects for running when picking
    #652129 - Use "const" instead of G_CONST_RETURN

Many thanks to:

  Neil Roberts, Robert Bragg, nobled, Daniel Mustieles, Elliot Smith,
  Matej Urbančič, Alejandro Piñeiro, Chris Lord, Marek Černocký,
  Tomeu Vizoso, Jasper St. Pierre, James Athey, Piotr Drąg, Øyvind Kolås,
  Adam Jackson, Andrej Žnidaršič, Kjartan Maraas, Adel Gadllah,
  Alexandre Franke, Christian Kirbach, Craig R. Hughes, Dan Winship,
  Dioselin, Kristjan SCHMIDT, Mario Blättermann, Miguel Bouzada, Peter Ward,
  Philippe Normand, Samuel Degrande, Viatcheslav Gachkaylo

Have fun with Clutter!


Emmanuele Bassi,
Intel Open Source Technology Center

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