leyoda/cosmic-text
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no_std support

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This commit is contained in:
Jeremy Soller 2022-11-08 08:43:27 -07:00
parent e95671f68f
commit 268805ba0c
18 changed files with 190 additions and 38 deletions
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8
src/cache.rs
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: MIT OR Apache-2.0
/// Key for building a glyph cache
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct CacheKey {
/// Font ID
pub font_id: fontdb::ID,
@ -39,7 +39,7 @@ impl CacheKey {
}
/// Binning of subpixel position for cache optimization
#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum SubpixelBin {
Zero,
One,
@ -49,8 +49,8 @@ pub enum SubpixelBin {
impl SubpixelBin {
pub fn new(pos: f32) -> (i32, Self) {
let trunc = pos.trunc() as i32;
let fract = pos.fract();
let (fract, truncf) = libm::modff(pos);
let trunc = truncf as i32;
if pos.is_sign_negative() {
if fract > -0.125 {
(trunc, Self::Zero)