Commit Graph

336 Commits

Author SHA1 Message Date
Emmanuele Bassi
a09bbffd92 Implement multi-backend support
The Clutter backend split is opaque enough that should allow us to just
build all possible backends inside the same shared object, and select
the wanted backend at initialization time.

This requires some work in the build system, as well as the
initialization code, to remove duplicate functions that might cause
conflicts at build and link time. We also need to defer all the checks
of the internal state of the platform-specific API to run-time type
checks.
2011-11-03 13:45:19 +00:00
Emmanuele Bassi
3cc62523e6 docs: Clean up the 'running Clutter apps' chapter 2011-10-17 10:25:20 +01:00
Emmanuele Bassi
31bee53eb7 docs: Fixes to build the API reference 2011-10-11 18:25:14 +01:00
Emmanuele Bassi
6c100e1513 docs: Move deprecated classes out of the way
The deprecated sections should be much more prominently separated from
the current API; we can use a new part inside the main reference index
for this.
2011-10-11 17:58:40 +01:00
Emmanuele Bassi
2d2046f962 docs: Document the settings.ini file
Describe the location, groups, and keys of the settings.ini file used by
Clutter.
2011-10-11 17:52:17 +01:00
Emmanuele Bassi
b1fbbe23b4 Revert "Add lightness, brightness, and contrast effects"
Discussed a bit with Neil, and I might have jumped the gun a little.
We might want a different API for 1.10. See comment 12 on:

https://bugzilla.gnome.org/show_bug.cgi?id=656156

This reverts commit 4829ae1c79.
2011-09-28 15:54:32 +01:00
Joseph Scheuhammer
4829ae1c79 Add lightness, brightness, and contrast effects
Added three classes for new clutter effects:  inverse lightness,
modify brightness, and modify contrast.

https://bugzilla.gnome.org/show_bug.cgi?id=656156
2011-09-28 10:32:15 -04:00
Emmanuele Bassi
a9a104e109 docs: Fixes for cross-references 2011-09-12 13:12:14 +01:00
Emmanuele Bassi
4b7552f001 docs: Add missing clutter_backend_get_cogl_context symbol 2011-09-02 14:53:55 +01:00
Emmanuele Bassi
8ea6b7912e docs: Fix up the unused symbols warning 2011-08-15 14:08:57 +01:00
Emmanuele Bassi
fe66575a2c docs: Update with the newly added Animatable symbol 2011-07-29 11:53:16 +01:00
Emmanuele Bassi
7f8838d7cc cairo-texture: Add the :auto-resize property
Keeping the backing Cairo surface of a CairoTexture canvas in sync with
the actor's allocation is tedious and prone to mistakes. We can
definitely do better by simply exposing a property that does the surface
resize and invalidation automagically on ::allocate.
2011-07-26 14:55:19 +01:00
Emmanuele Bassi
2f445682b1 cairo-texture: Use signal-based drawing
The current "create context/draw/destroy context" pattern presents
various problems. The first issue is that it defers memory management to
the caller of the create() or create_region() methods, which makes
bookkeeping of the cairo_t* harder for language bindings and third party
libraries. The second issue is that, while it's easier for
draw-and-forget texturs, this API is needlessly complicated for contents
that have to change programmatically - and it introduces constraints
like calling the drawing code explicitly after a surface resize (e.g.
inside an allocate() implementation).

By using a signal-based approach we can make the CairoTexture actor
behave like other actors, and like other libraries using Cairo as their
2D drawing API.

The semantics of the newly-introduced ::draw signal are the same as the
one used by GTK+:

  - the signal is emitted on invalidation;
  - the cairo_t* context is owned by the actor;
  - it is safe to have multiple callbacks attached to the same
    signal, to allow composition;
  - the cairo_t* is already clipped to the invalidated area, so
    that Cairo can discard geometry immediately before we upload
    the texture data.

There are possible future improvements, like coalescing multiple
invalidations inside regions, and performing clipped draws during
the paint cycle; we could even perform clipped redraws if we know the
extent of the invalidated area.
2011-07-26 12:40:52 +01:00
Neil Roberts
a72237b876 clutter-stage: Add clutter_stage_get_redraw_clip_bounds
This adds a public function to get the bounds of the current clipped
redraw on a stage. This should only be called while the stage is being
painted. The function diverts to a virtual function on the
ClutterStageWindow implementation. If the function isn't implemented
or it returns FALSE then the entire stage is reported. The clip bounds
are in integer pixel coordinates in the stage's coordinate space.

http://bugzilla.clutter-project.org/show_bug.cgi?id=2421
2011-07-13 13:54:50 +01:00
Emmanuele Bassi
0788c85df1 docs: Remove the in-tree cogl fixxref option
Cogl has been moved out of tree.
2011-06-21 10:52:44 +01:00
Emmanuele Bassi
459e1e7fc9 docs: Fix the GLX section
The whole thing should just go away.
2011-06-20 19:45:14 +01:00
Emmanuele Bassi
34cbc0e94c docs: Fix up labels in the constraint example image 2011-06-20 19:44:33 +01:00
Emmanuele Bassi
f971c2cb11 docs: Add the (now deprecated) GLX texture-pixmap
It was missing from the API reference.
2011-06-20 18:48:49 +01:00
Emmanuele Bassi
948461b8f2 docs: Fix duplicate symbol in the sections list 2011-06-20 18:40:31 +01:00
Emmanuele Bassi
e5641dabf8 docs: Document ClutterDropAction
And add it to the API reference.

https://bugzilla.gnome.org/show_bug.cgi?id=652842
2011-06-20 15:25:54 +01:00
Emmanuele Bassi
e4756fd764 docs: Fix up the API reference 2011-06-20 14:26:57 +01:00
Emmanuele Bassi
3861a1c3ba build: Update the API reference build
Add the Cogl prefix to the fix-cross-references script options, and
update the location of the extra headers.
2011-06-20 13:56:46 +01:00
Emmanuele Bassi
5ded02cd08 docs: Add symbols index for 1.8 2011-06-14 01:02:09 +01:00
Philippe Normand
494629d4b9 clutter-text: new clutter_text_get_layout_offsets API
This new function can be used to retrieve the coordinates where the
ClutterText will draw the PangoLayout representing the text.

http://bugzilla.clutter-project.org/show_bug.cgi?id=2553
2011-06-13 16:15:22 +01:00
Emmanuele Bassi
165b2f9599 docs: Fix Clutter API reference 2011-06-13 15:36:07 +01:00
Emmanuele Bassi
cd2b36ed91 Merge branch 'swipe-action'
* swipe-action:
  test-swipe-action: Clean up the test code
  docs: Add the new actions to the API reference
  gesture-action: Remove the multi-device entry points
  swipe-action: Remove the required devices call
  swipe-action: Clean up
  gesture-action: Clean up
  Add ClutterSwipeAction and ClutterGestureAction
2011-06-13 14:39:03 +01:00
Emmanuele Bassi
4f0769d69d docs: Update missing documentation 2011-06-13 13:47:09 +01:00
Emmanuele Bassi
9b4ad40f04 docs: Add the new actions to the API reference
http://bugzilla.clutter-project.org/show_bug.cgi?id=2585
2011-06-10 15:15:15 +01:00
Emmanuele Bassi
9636a4f125 docs: Fix up new symbols for the API reference 2011-06-09 15:40:57 +01:00
Neil Roberts
701440efd8 clutter-actor: Add a 'has_overlaps' virtual
This adds a virtual to ClutterActor so that an actor subclass can
report whether it has overlapping primitives. ClutterActor uses this
to determine whether it needs to use ClutterFlattenEffect to implement
the opacity property. The default implementation of the virtual
returns TRUE which means that most actors will end up being redirected
offscreen when the opacity != 255. ClutterTexture and ClutterRectangle
override this to return FALSE because they should never need to be
redirected. ClutterClone overrides it to divert to the source.

The values for the ClutterOffscreenRedirect enum have changed to:

AUTOMATIC_FOR_OPACITY

 The actor will only be redirected if has_overlaps returns TRUE and
 the opacity is < 255

ALWAYS_FOR_OPACITY

 The actor will always be redirected if the opacity < 255 regardless
 of the return value of has_overlaps

ALWAYS

 The actor will always be redirected offscreen.

This means that the property can't be used to prevent the actor from
being redirected but only to increase the likelihood that it will be
redirected.

ClutterActor now adds and removes the flatten effect depending on
whether flattening is needed directly in clutter_actor_paint(). There
are new internal versions of add/remove_effect that don't queue a
redraw. This means that ClutterFlattenEffect is now just a no-op
subclass of ClutterOffscreen. It is only needed because
ClutterOffscreen is abstract. Removing the effect also makes it so
that the cached image will be freed as soon as an actor is repainted
without being flattened.
2011-05-13 01:46:32 +01:00
Neil Roberts
7f78237ee5 clutter-actor: Add an 'offscreen-redirect' property
This adds a property which can be used to redirect the actor through
an FBO before painting so that it becomes flattened in an image. The
image can be used as a cache to avoid having to repaint the actor if
something unrelated in the scene changes. It can also be used to
implement correct opacity even if the actor has overlapping
primitives. The property is an enum that takes three values:

CLUTTER_OFFSCREEN_REDIRECT_NEVER: The default behaviour which is to
  never flatten the actor.

CLUTTER_OFFSCREEN_REDIRECT_ALWAYS: The actor is always redirected
  through an FBO.

CLUTTER_OFFSCREEN_REDIRECT_ONLY_FOR_OPACITY: The actor is only
  redirected through an FBO if the paint opacity is not 255. This
  value would be used if the actor wants correct opacity. It will
  avoid the overhead of using an FBO whenever the actor is fully
  opaque.

The property is implemented by installing a ClutterFlattenEffect.
ClutterFlattenEffect is a new internal class which subclasses
ClutterOffscreen to redirect the painting to an FBO. When
ClutterOffscreen paints, the effect sets an opacity override on the
actor so that the image will always contain the actor at full
opacity. The opacity is then applied to the resulting image before
painting it to the stage. This means the actor does not need to be
redrawn while the opacity is being animated.

The effect has a high internal priority so that it will always occur
before any other effects and it gets hidden from the application.
2011-05-13 01:46:32 +01:00
Neil Roberts
00b733a85a clutter-effect: Add clutter_effect_queue_rerun
This adds a new public function to queue a rerun of an effect. If
nothing else queues a redraw then when the effect's actor is painted
the effect will be run without the CLUTTER_EFFECT_RUN_ACTOR_DIRTY
flag. This allows parametrised offscreen effects to report that they
need to redraw the image without having to redraw the underlying
actor. This will be used to implement the 'transparency' effect of
ClutterActor.

If multiple redraws are queued with different effects then redrawing
is started from the one that occurs last in the list of effects.

Internally the function is a wrapper around the new function
_clutter_actor_queue_redraw_full. This is intended to be the sole
point of code for queuing redraws on an actor. It has parameters for
the clip and the effect. The other two existing functions to queue a
redraw (one with a clip and one without) now wrap around this function
by passing a NULL effect.
2011-05-13 01:46:32 +01:00
Neil Roberts
c3aa4d24bf clutter-effect: Add a 'run' virtual
This adds a new virtual to ClutterEffect which is intended to be a
more flexible replacement for the pre and post_paint functions. The
implementation of a run virtual would look something like this:

void
effect_run (ClutterEffect *effect,
            ClutterEffectRunFlags flags)
{
  /* Set up state */
  /* ... */

  /* Chain to the next item in the paint sequence */
  clutter_actor_continue_paint (priv->actor);

  /* Clean up state */
  /* ... */
}

ClutterActor now just calls this virtual instead of the pre_paint and
post_paint functions. It keeps track of the next effect in the list so
that it knows what to do when clutter_actor_continue_paint is
called. clutter_actor_continue_paint is a new function added just for
implementing effects.

The default implementation of the run virtual just calls pre_paint and
post_paint so that existing effects will continue to work.

An effect is allowed to conditionally skip calling
clutter_actor_continue_paint(). This is useful to implement effects
that cache the image of an actor. The flags parameter can be used to
determine if the actor is dirty since the last paint. ClutterActor
sets this flag whenever propagated_one_redraw is TRUE which means that
a redraw for this actor or one of its children was queued.
2011-05-13 01:46:31 +01:00
Robert Bragg
af366ad750 backend: remove untested fruity backend
This backend hasn't been used for years now and so because it is
untested code and almost certainly doesn't work any more it would be a
burdon to continue trying to maintain it. Considering that we are now
looking at moving OpenGL window system integration code down from
Clutter backends into Cogl that will be easier if we don't have to
consider this backend.
2011-04-11 17:54:36 +01:00
Emmanuele Bassi
0c83e6a59a offscreen-effect: Add public accessor for target size
The OffscreenEffect class needs to expose a way for sub-classes to
track the size of FBO it creates, in case it has to do some geometry
deformations like the DeformEffect sub-classes.

Let's move the private symbol we used internally in 1.6 to fix
DeformEffect to the list of public symbols of OffscreenEffect.

http://bugzilla.clutter-project.org/show_bug.cgi?id=2570
2011-02-28 14:34:36 +00:00
Emmanuele Bassi
d3a7b7502e event: Add setters for ClutterEvent members
Creating a synthetic event requires direct access to the ClutterEvent
union members; this access does not map in bindings to high-level
languages, especially run-time bindings using GObject-Introspection.
It's also midly annoying from C, as it unnecessarily exposes the guts of
ClutterEvent - something we might want to fix in the future.

http://bugzilla.clutter-project.org/show_bug.cgi?id=2575
2011-02-28 14:16:23 +00:00
nobled
aece642adb doc: fix clutter_init() usage in examples
Make sure users get the idea that clutter_init()
has a return value that needs to be checked.

These were fixed via sed magic:

sed -i -s -e "s/clutter_init (.*)/\
if (& != CLUTTER_INIT_SUCCESS)\n    return 1/"\
 doc/*/*/*.{c,xml} doc/*/*.xml

http://bugzilla.clutter-project.org/show_bug.cgi?id=2574
2011-02-28 14:10:05 +00:00
Emmanuele Bassi
b3784bd2b4 event: Add a setter for the device field
When synthesizing events coming from input devices it should be
possible to just call a setter function, to avoid a huge switch
on the type of the event.

Clutter should also store the device pointer inside the private
data, for faster access of the pointer in allocated events.

Finally, the get_device_id() and get_device_type() accessors should
just be wrappers around clutter_event_get_device(), to reduce the
amount of code duplication.
2011-01-28 18:19:49 +00:00
Emmanuele Bassi
89467abae5 docs: More documentation fixes for InputDevice 2011-01-21 10:25:46 +00:00
Emmanuele Bassi
dd5f6ca7e1 device: Add more accessors for properties
Allow using real accessor methods for getting the ClutterInputDevice
properties set on construction.
2011-01-21 10:25:45 +00:00
Emmanuele Bassi
ad06f1b20f docs: Update API reference 2011-01-21 10:25:45 +00:00
Emmanuele Bassi
431200f40d device: Add keys and axes accessors
Allow retrieving the number of keys and axes, since we provide the API
to iterate over them both.
2011-01-21 10:25:44 +00:00
Emmanuele Bassi
a3102a777e docs: Fill out documentation for new symbols 2011-01-21 10:25:44 +00:00
Emmanuele Bassi
ca092477c2 Appease the gods in introspection
Reduce the amount of bogus warnings g-ir-scanner prints out.
2011-01-20 16:35:26 +00:00
Emmanuele Bassi
62a0584f11 docs: Ignore clutter-config.h when scanning headers 2011-01-19 17:54:28 +00:00
Emmanuele Bassi
54d00ebaf0 docs: Add ClutterClickAction.get_state() 2011-01-17 17:31:46 +00:00
Emmanuele Bassi
bbede9fef5 stage: Add :accept-focus property and accessors
Allow the developer to set whether the Stage should receive key focus
when mapped. The implementation is fully backend-dependent. The default
value is TRUE because that's what we've been expecting so far.

http://bugzilla.clutter-project.org/show_bug.cgi?id=2500
2010-12-30 12:44:13 +00:00
Emmanuele Bassi
c444447cd3 timeline: Rename the reverse property to auto-reverse
Other frameworks expose the same functionality as "auto-reverse",
probably to match the cassette tape player. It actually makes sense
for Clutter to follow suit.
2010-12-17 12:07:52 +00:00
Emmanuele Bassi
bc58de4658 docs: Add 1.6 index to the API references 2010-12-09 15:53:26 +00:00
Emmanuele Bassi
24133ddadc Rename the EGLDisplay accessors
The accessor for the EGL display should be namespaced for the correct
backend-specific API.
2010-12-09 15:34:22 +00:00