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Checkpoint: start rendering images

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This commit is contained in:
Antonio Scandurra 2023-10-04 15:03:21 +02:00
parent 5c750b6880
commit 1816ab95a0
11 changed files with 231 additions and 77 deletions
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14
crates/gpui3/src/platform.rs
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@ -5,6 +5,7 @@ mod mac;
#[cfg(any(test, feature = "test"))]
mod test;
use crate::image_cache::RenderImageParams;
use crate::{
AnyWindowHandle, Bounds, DevicePixels, Font, FontId, FontMetrics, GlyphId, Pixels, Point,
RenderGlyphParams, RenderSvgParams, Result, Scene, ShapedLine, SharedString, Size,
@ -14,6 +15,7 @@ use async_task::Runnable;
use futures::channel::oneshot;
use seahash::SeaHasher;
use serde::{Deserialize, Serialize};
use std::borrow::Cow;
use std::ffi::c_void;
use std::hash::{Hash, Hasher};
use std::{
@ -179,6 +181,7 @@ pub trait PlatformTextSystem: Send + Sync {
pub enum AtlasKey {
Glyph(RenderGlyphParams),
Svg(RenderSvgParams),
Image(RenderImageParams),
}
impl AtlasKey {
@ -186,6 +189,7 @@ impl AtlasKey {
match self {
AtlasKey::Glyph(params) => !params.is_emoji,
AtlasKey::Svg(_) => true,
AtlasKey::Image(_) => false,
}
}
}
@ -202,11 +206,17 @@ impl From<RenderSvgParams> for AtlasKey {
}
}
impl From<RenderImageParams> for AtlasKey {
fn from(params: RenderImageParams) -> Self {
Self::Image(params)
}
}
pub trait PlatformAtlas: Send + Sync {
fn get_or_insert_with(
fn get_or_insert_with<'a>(
&self,
key: &AtlasKey,
build: &mut dyn FnMut() -> Result<(Size<DevicePixels>, Vec<u8>)>,
build: &mut dyn FnMut() -> Result<(Size<DevicePixels>, Cow<'a, [u8]>)>,
) -> Result<AtlasTile>;
fn clear(&self);