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update rendering quality of small fonts

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This commit is contained in:
Junkui Zhang 2025-07-31 21:30:44 +08:00
parent aa68b3e8ef
commit d84cf7ef03
1 changed files with 21 additions and 3 deletions
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24
crates/gpui/src/platform/windows/direct_write.rs
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@ -1,4 +1,4 @@
use std::{borrow::Cow, mem::ManuallyDrop, sync::Arc}; use std::{borrow::Cow, sync::Arc};
use ::util::ResultExt; use ::util::ResultExt;
use anyhow::Result; use anyhow::Result;
@ -45,7 +45,7 @@ struct DirectWriteComponent {
builder: IDWriteFontSetBuilder1, builder: IDWriteFontSetBuilder1,
text_renderer: Arc<TextRendererWrapper>, text_renderer: Arc<TextRendererWrapper>,
render_params: IDWriteRenderingParams, render_params: IDWriteRenderingParams3,
gpu_state: GPUState, gpu_state: GPUState,
} }
@ -92,7 +92,25 @@ impl DirectWriteComponent {
let locale = String::from_utf16_lossy(&locale_vec); let locale = String::from_utf16_lossy(&locale_vec);
let text_renderer = Arc::new(TextRendererWrapper::new(&locale)); let text_renderer = Arc::new(TextRendererWrapper::new(&locale));
let render_params = factory.CreateRenderingParams()?; let render_params = {
let default_params: IDWriteRenderingParams3 =
factory.CreateRenderingParams()?.cast()?;
let gamma = default_params.GetGamma();
let enhanced_contrast = default_params.GetEnhancedContrast();
let gray_contrast = default_params.GetGrayscaleEnhancedContrast();
let cleartype_level = default_params.GetClearTypeLevel();
let grid_fit_mode = default_params.GetGridFitMode();
factory.CreateCustomRenderingParams(
gamma,
enhanced_contrast,
gray_contrast,
cleartype_level,
DWRITE_PIXEL_GEOMETRY_RGB,
DWRITE_RENDERING_MODE1_NATURAL_SYMMETRIC,
grid_fit_mode,
)?
};
let gpu_state = GPUState::new(gpu_context)?; let gpu_state = GPUState::new(gpu_context)?;