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use crate::core::{self, Size};
use crate::image::atlas::{self, Atlas};
use std::sync::Arc;
#[derive(Debug)]
pub struct Cache {
atlas: Atlas,
#[cfg(feature = "image")]
raster: crate::image::raster::Cache,
#[cfg(feature = "svg")]
vector: crate::image::vector::Cache,
}
impl Cache {
pub fn new(
device: &wgpu::Device,
backend: wgpu::Backend,
layout: Arc<wgpu::BindGroupLayout>,
) -> Self {
Self {
atlas: Atlas::new(device, backend, layout),
#[cfg(feature = "image")]
raster: crate::image::raster::Cache::default(),
#[cfg(feature = "svg")]
vector: crate::image::vector::Cache::default(),
}
}
pub fn bind_group(&self) -> &wgpu::BindGroup {
self.atlas.bind_group()
}
pub fn layer_count(&self) -> usize {
self.atlas.layer_count()
}
#[cfg(feature = "image")]
pub fn measure_image(&mut self, handle: &core::image::Handle) -> Size<u32> {
self.raster.load(handle).dimensions()
}
#[cfg(feature = "svg")]
pub fn measure_svg(&mut self, handle: &core::svg::Handle) -> Size<u32> {
self.vector.load(handle).viewport_dimensions()
}
#[cfg(feature = "image")]
pub fn upload_raster(
&mut self,
device: &wgpu::Device,
encoder: &mut wgpu::CommandEncoder,
handle: &core::image::Handle,
) -> Option<&atlas::Entry> {
self.raster.upload(device, encoder, handle, &mut self.atlas)
}
#[cfg(feature = "svg")]
pub fn upload_vector(
&mut self,
device: &wgpu::Device,
encoder: &mut wgpu::CommandEncoder,
handle: &core::svg::Handle,
color: Option<core::Color>,
size: [f32; 2],
scale: f32,
) -> Option<&atlas::Entry> {
self.vector.upload(
device,
encoder,
handle,
color,
size,
scale,
&mut self.atlas,
)
}
pub fn trim(&mut self) {
#[cfg(feature = "image")]
self.raster.trim(&mut self.atlas);
#[cfg(feature = "svg")]
self.vector.trim(&mut self.atlas);
}
}
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