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30 commits

Author SHA1 Message Date
Olivier Goffart
e00491811b Get rid of the context in properties/signal 2020-07-13 18:49:06 +02:00
Olivier Goffart
905dca7d19 Remove debug output 2020-07-13 11:50:39 +02:00
Olivier Goffart
1b748792ad Visit the item as Pin 
A preparation to have Property::get to take Pin<Self>
 2020-06-25 18:50:20 +02:00
Olivier Goffart
caca0d0ba4 Put the component in a Pin<> 
Removed the drop and create from the ComponentVTable:
since we are not using VBox<ComponentVTable>, this simplifies a bit
the code of the interpreter and everything else.

But there is still a lot of changes everywhere to support that the Component
is pinned.
This is just for the component. Which would be required if later we want
to access the properties as Pin<Property<_>>. But we have not yet ability
to do projections
 2020-06-24 14:13:27 +02:00
Olivier Goffart
f8b7989c0b Access the properties in the parent component of a repeated element 
This required some refactoring of the EvaluationContext structure to include the parent context
 2020-06-22 14:38:38 +02:00
Olivier Goffart
d7fe69ff74 Lookup the index from a repeater expression 2020-06-16 17:23:38 +02:00
Olivier Goffart
30b201d946 Reduce the use of unsafe in corelib and in the rust backend 2020-06-12 19:03:15 +02:00
Olivier Goffart
7b8df5ca9d Use interior mutability for the cache 
So we do not need a mutable reference to the Component
 2020-06-04 14:03:30 +02:00
Olivier Goffart
adaadc30a9 Remove the "Rendering..." debug message. 
This just polute the output while debugging other stuff
 2020-06-04 12:49:33 +02:00
Simon Hausmann
f2df9293a9 Fix the C++ build 
Remove the Optional from the evaluation context passing for property
evaluation. Unfortunately there are nullptr uses left on the C++ side,
that need to be replaced with passing through.
 2020-05-28 12:07:11 +02:00
Simon Hausmann
c4dd857e0d Add an evaluation context to property evaluations 
The context is not used yet or passed on to the binding closure.
 2020-05-28 09:20:11 +02:00
Simon Hausmann
50ecffe1f1 Replace RenderingInfo with RenderingPrimitive 
This is one data structure less and it avoids converting from the one to
the other.
 2020-05-22 16:07:06 +02:00
Simon Hausmann
bcc6c6a60a Move Color and RenderingPrimitive into abi::datastructures 
This paves the way to replace RenderingInfo.
 2020-05-22 16:07:06 +02:00
Simon Hausmann
d48faf711f Update cached rendering data only when there are changes 
This introduces a separate rendering preparation step in the main
window. As a consequence, the component becomes a parameter and the
graphicstest example can't use the main window anymore.

The decision whether a new low-level primitive needs to be created or
not is made by comparing the last RenderingPrimitive against the new
one.

On the upside, this means that property changes are now reflected in the
graphics.
 2020-05-22 16:07:06 +02:00
Simon Hausmann
21842bdd75 Remove the individual primitive factory functions from RenderingPrimitivesBuilder 
Only use the new one that takes the new enum.
 2020-05-22 16:07:06 +02:00
Simon Hausmann
f2662f0884 Simplify image primitives graphics API 
Don't require a dest rect for now. Rendering is always at (0, 0) but
with the transformation applied. And the size shall for now not be a
parameter.
 2020-05-22 16:07:06 +02:00
Simon Hausmann
33dd2d765d Minor cleanup in item transform calculation 
We can use the new geometry() getter to simplify the transform update by origin.
 2020-05-22 09:33:08 +02:00
Simon Hausmann
8b854c32c3 Add Text::font_family and font_pixel_size properties 
We can fine-tune the API, this works for now to change :-)
 2020-05-21 21:04:07 +02:00
Simon Hausmann
4d26fe6674 Implement support for selecting the font family and pixel size in the GL renderer 
The public API in the properties is still missing.
 2020-05-21 20:55:34 +02:00
Simon Hausmann
81b5f70718 Implement colored text rendering 2020-05-19 21:58:01 +02:00
Simon Hausmann
cbd28bf745 Simplify image primitives API 
Removed the source rectangle as that can also be done on the source image side,
if necessary.
 2020-05-19 20:37:36 +02:00
Simon Hausmann
23d3964a0d Add boilerplate for text items 
Forward the text and color properties to the rendering backend, where
right now we just rendering all the glyphs into a dedicated texture.

Next steps are a glyph atlas texture, blending the specified color with
the alpha of the glyphs, configurable size and family, shaping with
Harfbuzz and may more things.
 2020-05-18 19:04:12 +02:00
Olivier Goffart
25bf149e13 Add a shared string that can be used in properties 2020-05-18 17:09:40 +02:00
Simon Hausmann
e6be2c91b8 Fix translation of children of images 
Propagate the x/y of images also to the children.
 2020-05-18 16:01:53 +02:00
Simon Hausmann
a7d5bd9f59 Minor rendering cleanup 
Remove the x/y parameters from the rectangle primitive. They're always zero
since we always render with a transformation
matrix.
 2020-05-18 16:01:53 +02:00
Olivier Goffart
5a9cbaae66 vtable add support for field offset in the vtable 2020-05-18 11:06:44 +02:00
Olivier Goffart
f74cfe73cd Use the vtable crate for the ItemVTable 2020-05-18 11:06:44 +02:00
Olivier Goffart
686f4c9591 More work on the vtable macro to adapt the Component 
This does not work yet
 2020-05-18 11:04:54 +02:00
Olivier Goffart
4b19818f6c WIP: port Component to vtable 2020-05-18 11:04:54 +02:00
Simon Hausmann
6110e4952d Move item rendering related code into a separate module 
.. and keep less code in the central lib.rs.
 2020-05-13 10:55:13 +02:00