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Use Surface::buffer directly for drawing in iced_tiny_skia

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... with a nice little color trick :^)
This commit is contained in:
Héctor Ramón Jiménez 2023-02-26 00:49:27 +01:00
parent df5d66423d
commit 744f3028f4
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GPG key ID: 140CC052C94F138E
3 changed files with 16 additions and 23 deletions
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30
tiny_skia/src/window/compositor.rs
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@ -12,7 +12,6 @@ pub struct Compositor<Theme> {
pub struct Surface {
window: softbuffer::GraphicsContext,
pixels: tiny_skia::Pixmap,
buffer: Vec<u32>,
}
@ -40,13 +39,9 @@ impl<Theme> iced_graphics::window::Compositor for Compositor<Theme> {
unsafe { softbuffer::GraphicsContext::new(window, window) }
.expect("Create softbuffer for window");
let pixels = tiny_skia::Pixmap::new(width, height)
.expect("Create pixmap for window");
Surface {
window,
pixels,
buffer: vec![0; (width * height) as usize],
buffer: vec![0; width as usize * height as usize],
}
}
@ -56,9 +51,6 @@ impl<Theme> iced_graphics::window::Compositor for Compositor<Theme> {
width: u32,
height: u32,
) {
surface.pixels = tiny_skia::Pixmap::new(width, height)
.expect("Create pixmap for window");
surface.buffer.resize((width * height) as usize, 0);
}
@ -110,26 +102,26 @@ pub fn present<Theme, T: AsRef<str>>(
background_color: Color,
overlay: &[T],
) -> Result<(), compositor::SurfaceError> {
let physical_size = viewport.physical_size();
backend.draw(
&mut surface.pixels,
&mut tiny_skia::PixmapMut::from_bytes(
bytemuck::cast_slice_mut(&mut surface.buffer),
physical_size.width,
physical_size.height,
)
.expect("Create pixel map"),
primitives,
viewport,
background_color,
overlay,
);
for (i, pixel) in surface.pixels.pixels_mut().iter().enumerate() {
surface.buffer[i] = u32::from(pixel.red()) << 16
| u32::from(pixel.green()) << 8
| u32::from(pixel.blue());
}
surface.window.set_buffer(
&surface.buffer,
surface.pixels.width() as u16,
surface.pixels.height() as u16,
physical_size.width as u16,
physical_size.height as u16,
);
// TODO
Ok(())
}