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194 commits

Author SHA1 Message Date
Simon Hausmann
a02186df22 Add support for application fonts 
Needed to run the sliding puzzle demo
 2021-01-14 08:53:13 +01:00
Olivier Goffart
0522b04d70 Rename create_gl_window to create_window 2021-01-14 08:53:13 +01:00
Simon Hausmann
cd915ddbe0 More vertical text alignment fixes - makes the printer demo look better 
* When calculating the height of text for vertical alignment purposes,
  don't use the minimum height but stick to ascent + descent - like the old
  renderer. This gives Text items a constant height that depends on the
  font size and not the content.
* Avoid scaling text metrics twice. It turns out that femtovg uses the
  device pixel ratio / dpi argument for `set_size` only for scaling text
  metrics. Since we do all the mapping from logical pixels to physical pixels
  it's correct to let femto only operate in physical pixel range. As a bonus
  this allows removing the refresh_window_scale_factor() dance in the
  backend (including making the context current, etc.)
 2021-01-14 08:53:13 +01:00
Simon Hausmann
b61c1e3af7 Fix baseline for text items 
In the previous renderer the text, by default, is drawn at the top of the
bounding box. The default femtovg alignment is more like QPainter, but
that's not quite what we want here.
 2021-01-14 08:53:13 +01:00
Simon Hausmann
065d717814 Fix missing rectangle border rendering 2021-01-14 08:53:13 +01:00
Simon Hausmann
76cee4a598 Fix some warnings about unused variables or imports 2021-01-14 08:53:13 +01:00
Simon Hausmann
9d7e151cb9 Simplify property access code in the renderer 
Generate convenient property accessors using a derive macro
 2021-01-14 08:53:13 +01:00
Olivier Goffart
9ef1c36a52 Move the eventloop module to the backend 2021-01-14 08:53:13 +01:00
Olivier Goffart
ab08502c77 Move the GraphicsWindow to the graphics backend 2021-01-14 08:53:13 +01:00
Simon Hausmann
41910f6694 Remove HasFont trait 
This was only used for syntactic sugar which, as it turns out,
we can also have with a regular associated function that takes
Pin<&Self> \o/
 2021-01-14 08:53:13 +01:00
Simon Hausmann
727c9a19f7 Add basic text item support 
This needs more work, but gets something onto the screen at least.
 2021-01-14 08:53:13 +01:00
Olivier Goffart
9050c29305 Don't use the window through the eventloop module 2021-01-14 08:53:13 +01:00
Olivier Goffart
c7ff67d0fc Move the ItemRenderer to the item_rendering module 2021-01-14 08:52:22 +01:00
Simon Hausmann
769ad146e7 Preparation for text handling 
Ensure the dpi on the canvas is up-to-date before/after rendering, as
measure_text etc. rely on it and it's otherwise initialized to 1 by
default. Unfortunately this requires jumping through some hoops, but
that can be fixed later in the canvas.
 2021-01-14 08:52:22 +01:00
Simon Hausmann
5906f39a47 Silence some warnings 2021-01-14 08:52:22 +01:00
Simon Hausmann
c74c8592a0 Minor simplification of new_renderer trait function 
It's not necesary to pass the window dimensions when the renderer owns
the window.
 2021-01-14 08:52:22 +01:00
Simon Hausmann
de4194c9ba Make ItemRenderer take &mut again 
It's cleaner and indeed possible
 2021-01-14 08:52:22 +01:00
Olivier Goffart
16a1b7b2bd Cache the pixmap in the native style 2021-01-14 08:52:22 +01:00
Simon Hausmann
43127cb059 Implement releasing of textures when items are destroyed 
This means going back to an immutable renderer reference and interior
mutability for the canvas and the gpu cache. This is because while
traversing the item tree for rendering we may end up destroying
other items due to the lazyness of the models.
 2021-01-14 08:52:22 +01:00
Simon Hausmann
1f9ba94c59 Rename the image cache 
... to a more general gpu_cache and store an enum. That way we can
encapsulate the resource releasing - in the future - entirely in the
backend through run-time polymorphism in the backend (gpu cache data
enum) instead of a vtable method in the item to destruct the correct
type of data.
 2021-01-14 08:52:22 +01:00
Olivier Goffart
6d316185fc Fix Painting of native widget 
the cx and cy needs to be the same as the widget position
 2021-01-14 08:52:22 +01:00
Olivier Goffart
b157648ab2 More work towards getting native widget with the femtovg backend 2021-01-14 08:52:22 +01:00
Simon Hausmann
7643174f28 Use interior mutability for the canvas 
We're going to need it later for the resource releasing
 2021-01-14 08:52:22 +01:00
Olivier Goffart
f7c8d53e7a Port the Qt Native item to the new API 
this mostly restores code that was removed in commit 1a260b9dce13db38128f1f489633ba96f264d461
 2021-01-14 08:52:22 +01:00
Simon Hausmann
d159a3b523 Implement caching of images 
Don't re-load/decode the image every frame (and leak it), just load it
once per source change.
 2021-01-14 08:52:22 +01:00
Simon Hausmann
8cfcc9bbf9 Fix image positioning, part 2 
Don't forget the item's origin
 2021-01-14 08:52:22 +01:00
Simon Hausmann
9b72081f01 Fix image scaling 
Scale only the image if requested, not its position
 2021-01-14 08:52:22 +01:00
Simon Hausmann
d92fe445d5 Remove the old GL renderer 
and try to stub in the hooks to trigger the new one
 2021-01-14 08:52:22 +01:00
Simon Hausmann
607fecdb18 Simplify rendering interface 
Instead of passing through a generic transformation matrix, let's just
pass through what we actually use: a translation point
 2021-01-14 08:52:22 +01:00
Simon Hausmann
d4f603246c WIP: Start a femtovg backend 2021-01-14 08:52:22 +01:00
Simon Hausmann
ca1fb8ab0d Fix GPU primitive vs. rendering variable division for Rectangle 
Changing the border radius or border width does not require uploading a new geometry.
Therefore these can become rendering variables.
 2020-12-15 18:08:33 +01:00
Olivier Goffart
aea1b3393d Fix wasm build 2020-12-15 12:38:42 +01:00
Olivier Goffart
2b5213c408 Refactor the rendering variables in a enum instead of an array 
And finish the ImageFit::contain implementation
 2020-12-15 12:16:44 +01:00
Simon Hausmann
d9a92aea81 Prospective fix for WebGL rendering performance on Windows 
Disable anti-aliasing on the GL context, as that's often implemented
multi-sampling and it appears generally slow with Angle on Windows.Since
we do anti-aliasing ourselves, so it is not needed.
 2020-12-10 09:41:29 +01:00
Simon Hausmann
8314fbbb86 Simplify the texture width/height calculation a little bit 2020-12-08 16:01:53 +01:00
Simon Hausmann
1b2261c562 Fix two compiler warnings about unsued code paths when targeting wasm 2020-12-08 12:09:44 +01:00
Simon Hausmann
49112cda9b Fix deprecation warning from image-rs 
Bump to the latest version and use the non-deprecated API
 2020-11-26 10:56:21 +01:00
Simon Hausmann
fc4656571f Tweak the html canvas handling 
Refresh the canvas size if the browser window gets resized, for example due to orientation changes.
 2020-11-26 10:42:04 +01:00
Simon Hausmann
f0289192b7 More font handling cleanup 
Group all fields we need to determine a physical font into one FontRequest
structure and use that throughout.

That way adding more fields will require less changes.
 2020-11-24 09:00:07 +01:00
Simon Hausmann
79b7e825bb Minor cleanup of font cache handling 
Store the font family as a SharedString, as that allows us to make a
lookup without a string copy.
 2020-11-23 18:23:22 +01:00
Simon Hausmann
bad7734c21 Avoid leaking cached texture allocations 
Let the texture cache hold weak references and drain them each time
the rendering primitives builder finishes.
 2020-11-23 16:26:21 +01:00
Simon Hausmann
ad99dc6475 Add support for image loading caching for embedded images 
Extend the texture cache in the GL rendering backend to has by either
the path on disk or by the address of the static data.
 2020-11-23 15:50:00 +01:00
Simon Hausmann
fdeda0d0ed Add some basic image loading caching for images loaded from the file system 
Place them in a HashMap that's indexed by the path. This needs further
tuning, for example to also be applied to embedded images, and the cache
shouldn't hold a strong reference. But it makes the berlin page
playable.
 2020-11-23 15:49:57 +01:00
Simon Hausmann
3d85e45ec3 Add support for source clipping to the Image element 
This allows rendering only a sub-rectangle of the original image, which
we can use right away in the sliding puzzle demo.
 2020-11-23 15:46:59 +01:00
Simon Hausmann
7583394751 Remove unnecessary image_size field of the Texture low-level primitive 
Since our atlas allocator has an alignment of 1, the texture coordinates
(non-normalized) are identical.
 2020-11-23 13:53:35 +01:00
Olivier Goffart
2e60afec39 Run cargo fmt 2020-11-23 12:08:23 +01:00
Olivier Goffart
596b740b62 Rename ARGBColor to RgbaColor 2020-11-23 11:47:47 +01:00
Olivier Goffart
62272bd73d Fix canvas size on browser. The size writen in the html is logical 2020-11-13 15:48:26 +01:00
Olivier Goffart
a82c23fc41 Add ability for the native style to export native Globals 2020-11-02 16:13:04 +01:00
Olivier Goffart
608ba95f9e Fix wasm warning 2020-10-31 11:58:10 +01:00