mark as no_std`: hui-painter, hui-derive and hui-shared

hui-derive/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "hui-derive"
-description = "Derive macros for hUI"
+description = "internal crate: Provides derive macros for hUI"
 repository = "https://github.com/griffi-gh/hui"
 readme = "../README.md"
 authors = ["griffi-gh <prasol258@gmail.com>"]

hui-derive/src/lib.rs

@@ -1,3 +1,5 @@
+#![no_std]
+
 extern crate proc_macro;
 
 use proc_macro::TokenStream;

hui-painter/src/lib.rs

@@ -1,3 +1,7 @@
+#![no_std]
+#[macro_use]
+extern crate alloc;
+
 pub mod paint;
 pub mod texture;
 pub mod text;

hui-painter/src/paint/buffer.rs

@@ -1,3 +1,4 @@
+use alloc::vec::Vec;
 use glam::{Vec2, Vec4};
 
 #[derive(Clone, Copy)]

hui-painter/src/paint/command/list.rs

@@ -1,4 +1,6 @@
-use std::{hash::Hasher, ops::RangeFull};
+use core::{hash::Hasher, ops::RangeFull};
+
+use alloc::{boxed::Box, vec::Vec};
 use hui_shared::rect::Rect;
 use crate::PainterInstance;
 use super::PaintCommand;

hui-painter/src/paint/command/rectangle.rs

@@ -1,4 +1,4 @@
-use std::{hash::Hasher, num::NonZeroU16};
+use core::{hash::Hasher, num::NonZeroU16};
 use glam::{vec2, Vec2};
 use hui_shared::{color, rect::{Corners, FillColor, Rect}};
 use crate::{
@@ -7,7 +7,7 @@ use crate::{
     command::PaintCommand,
   },
   texture::TextureHandle,
-  util::{hash_vec2, hash_vec3, hash_vec4},
+  util::{hash_vec2, hash_vec4},
   PainterInstance,
 };
 
@@ -224,7 +224,7 @@ impl PaintCommand for PaintRectangle {
 
       for i in 0..point_count as u32 {
         let frac = i as f32 / (point_count - 1) as f32;
-        let angle = frac * std::f32::consts::PI * 0.5;
+        let angle = frac * core::f32::consts::PI * 0.5;
         let x = angle.sin();
         let y = angle.cos();
         into.vertices.extend([

hui-painter/src/paint/command/text.rs

@@ -1,4 +1,5 @@
-use std::{borrow::Cow, hash::{Hash, Hasher}};
+use core::hash::{Hash, Hasher};
+use alloc::{borrow::Cow, vec::Vec};
 use fontdue::layout::{CoordinateSystem, Layout};
 use glam::{vec2, Vec4};
 use hui_shared::rect::Rect;

hui-painter/src/paint/command/transform.rs

@@ -1,5 +1,4 @@
-use std::hash::Hasher;
-
+use core::hash::Hasher;
 use glam::vec2;
 use hui_shared::rect::Rect;
 

hui-painter/src/texture.rs

@@ -1,3 +1,4 @@
+use alloc::vec::Vec;
 use glam::{ivec2, uvec2, vec2, UVec2, Vec2};
 use hui_shared::rect::Corners;
 use rect_packer::DensePacker;

hui-painter/src/util.rs

@@ -1,4 +1,4 @@
-use std::hash::Hasher;
+use core::hash::Hasher;
 
 #[inline]
 pub(crate) fn hash_vec2(hasher: &mut impl Hasher, vec: glam::Vec2) {

hui-shared/src/lib.rs

@@ -1,2 +1,4 @@
+#![no_std]
+
 pub mod rect;
 pub mod color;

hui-shared/src/rect/corners.rs

@@ -112,7 +112,7 @@ impl<T> From<(T, T, T, T)> for Corners<T> {
 
 impl<T> IntoIterator for Corners<T> {
   type Item = T;
-  type IntoIter = std::array::IntoIter<Self::Item, 4>;
+  type IntoIter = core::array::IntoIter<Self::Item, 4>;
   fn into_iter(self) -> Self::IntoIter {
     self.to_array().into_iter()
   }
@@ -120,7 +120,7 @@ impl<T> IntoIterator for Corners<T> {
 
 impl<'a, T> IntoIterator for &'a Corners<T> {
   type Item = &'a T;
-  type IntoIter = std::array::IntoIter<Self::Item, 4>;
+  type IntoIter = core::array::IntoIter<Self::Item, 4>;
 
   fn into_iter(self) -> Self::IntoIter {
     self.as_array().into_iter()
@@ -129,7 +129,7 @@ impl<'a, T> IntoIterator for &'a Corners<T> {
 
 impl<'a, T> IntoIterator for &'a mut Corners<T> {
   type Item = &'a mut T;
-  type IntoIter = std::array::IntoIter<Self::Item, 4>;
+  type IntoIter = core::array::IntoIter<Self::Item, 4>;
 
   fn into_iter(self) -> Self::IntoIter {
     self.as_array_mut().into_iter()

hui/src/lib.rs

@@ -1,3 +1,4 @@
+// #![no_std]
 #![doc(html_logo_url = "https://raw.githubusercontent.com/griffi-gh/hui/master/.assets/hui.svg")]
 //!
 //! Simple UI library for games and other interactive applications
@@ -7,10 +8,12 @@
 
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
-// #![deny(unsafe_code)]
 #![forbid(unsafe_op_in_unsafe_fn)]
 #![allow(unused_parens)]
 
+// #[macro_use]
+// extern crate alloc;
+
 pub use hui_shared::*;
 pub use hui_painter as painter;