This removes the special code for the generated property getters and
ensures type safety in the run-time library for property value setting.
In the Rust generated code we continue to do arithmetic on the scalar
values, that means we immediately extract the scalar, do arithmetic and
rely on the compiler to only allow compatible units.
Danger zone alert: In the interpreter Value::Number can now be converted
to LogicalLength as-is.
- On the web, to return the image size, we need to use the natural size
of the image, and not its dom size, as the later get modified since
commit b727aba4a0
- The target size did not take in account the image fit, that's because
former version of resvg could only render by respecting the aspect
ratio. But since the web don't have this limitation, we now need to
take it into account. And new version of resvg can also scale with
any aspect ratio
SVGs are rendered using HTML image elements, that are converted to textures.
The size of the texture defaults to the SVGs viewbox, which may be small - despite
it being possible to render the SVG at a higher resolution with great quality.
Similar to the native code path, this patch also uses the target image size
and propagates it to the DOM HTML image element to instruct the browser to
render the SVG at a higher resolution.
Co-authored-by: Olivier Goffart <olivier.goffart@slint-ui.com>
This avoids accidental use of logical pixels, esp. for SVG, elimiates
one call to `to_untyped()` as well as an untyped scale factor in the
femtovg renderer.
Known caveats:
- winit doesn't forward mouse events to the IME, so clicking
with the mouse while composing results in funny effects such
as the pre-edit text following the cursor.
- With FemtoVG there's no text decoration support, thus no underlining
of the preedit area.
This allows setting the RUST_FONTCONFIG_DLOPEN environment variable
to dlopen fontconfig at runtime rather than linking it at build
time. This is helpful for cross compiling to Linux, particularly
because fontconfig has lots of C dependencies. Building a vendored
copy of fontconfig does not work as expected:
https://github.com/slint-ui/slint/issues/88
Suppose we render an SVG at 100px x 100px with a screen scale factor of 2.
Consequently we should be rendering the SVG at 200phx x 200phx, not 100x100.
Do this by applying the scale factor, just like it is done in the femtovg renderer.
At end of text, take the right edge of the glyph cluster; otherwise the left edge
of what's to the right of the cursor.
For empty text inputs, just return the height of the text to be.
cc #1480
This puts the basics in place for text input. There are a few missing pieces (and probably more not yet discovered):
* Selections are not rendered yet.
* The cursor is not show at end of text.
* Cursor up and down doesn't work correctly in preserving the x position.
cc #1480
Commit 05b16bed89 introduced an exception
for SVGs images to treat them as premultiplied, but commit
3ef35c5ef9 accidentally applied the flag
to all HTML images, which is wrong.
When opting into the Skia renderer, we default to metal on macOS and D3D on Windows.
However if you want to develop a cross-platform application with Skia and
for example rely on OpenGL to be able to implement an OpenGL underlay or overlay,
then we need the ability to explicitly opt into skia's GL renderer.
cc #1445
Similar to commit 957186acb7 we need to take the blur into account in the box shadow image:
We add blur margins around the entire image, but we also need to start drawing at (blur, blur) instead of (0, 0).
The same offset needs to be subtracted again when drawing the cached image.
Despite the blur being an abstract float, in reality in femtovg as well
as Skia it's a pixel radius. Commit
1a8a295e38 removed the scaling to physical
pixels, which was wrong. This restores it and along with it the same
appearance as before.
Closes#1545
Not that `SoftwareRenderer::new()` takes the Weak by value instead of
by reference, because coercing a reference to a `Weak` to a `&Weak<dyn>`
is not possible, while converting a Weak to a `Weak<dyn>` just works.
