Implement derive macro for Pixel
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+46
@@ -5,3 +5,49 @@ version = 4
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[[package]]
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name = "ccvl"
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version = "0.1.0"
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dependencies = [
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"ccvl_proc_macros",
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]
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[[package]]
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name = "ccvl_proc_macros"
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version = "0.1.0"
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dependencies = [
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"quote",
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"syn",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.107"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "985e7ec9bb745e6ce6535b544d84d6cd6f7ad8bd711c398938ae983b91a766d9"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.47"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fbf4db142a473a8d80c26bbf18454ed458bf8d26c8219c331daecfdbd079001"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "syn"
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version = "3.0.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d78c8dee4c7bf0e14673097256fed6142ce9d3b85a408189d07482442145823b"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.27"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a2c754d6c33795a1c324727428e5a7dedb5b06195f9890bdbcba760d3e246563"
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@@ -4,3 +4,4 @@ version = "0.1.0"
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edition = "2024"
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[dependencies]
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ccvl_proc_macros = { path = "proc_macros" }
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Generated
+46
@@ -0,0 +1,46 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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[[package]]
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name = "ccvl_proc_macros"
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version = "0.1.0"
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dependencies = [
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"quote",
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"syn",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.107"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "985e7ec9bb745e6ce6535b544d84d6cd6f7ad8bd711c398938ae983b91a766d9"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.47"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fbf4db142a473a8d80c26bbf18454ed458bf8d26c8219c331daecfdbd079001"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "syn"
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version = "3.0.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d78c8dee4c7bf0e14673097256fed6142ce9d3b85a408189d07482442145823b"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.27"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a2c754d6c33795a1c324727428e5a7dedb5b06195f9890bdbcba760d3e246563"
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@@ -0,0 +1,11 @@
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[package]
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name = "ccvl_proc_macros"
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version = "0.1.0"
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edition = "2024"
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[lib]
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proc-macro = true
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[dependencies]
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quote = "1.0.47"
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syn = "3.0.9"
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@@ -0,0 +1,68 @@
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use proc_macro::TokenStream;
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#[proc_macro_derive(Pixel)]
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pub fn pixel_derive(input: TokenStream) -> TokenStream {
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let ast: syn::DeriveInput =
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syn::parse(input).expect("Invalid structure declaration");
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if let syn::Data::Struct(def) = ast.data {
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if let syn::Fields::Named(fields) = def.fields {
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let names =
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fields.named.into_iter().map(|field| field.ident.unwrap());
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impl_pixel(ast.ident, names.collect())
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} else {
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panic!("Can only derive Pixel for named fields")
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}
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} else {
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panic!("Can only derive Pixel for a struct")
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}
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}
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fn impl_pixel(name: syn::Ident, fields: Vec<syn::Ident>) -> TokenStream {
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quote::quote! {
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impl std::ops::AddAssign for #name {
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fn add_assign(&mut self, other: Self) {
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#( self.#fields += other.#fields; )*
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}
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}
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impl std::ops::MulAssign<f32> for #name {
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fn mul_assign(&mut self, scalar: f32) {
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#( self.#fields *= scalar; )*
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}
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}
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impl std::ops::DivAssign<f32> for #name {
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fn div_assign(&mut self, scalar: f32) {
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#( self.#fields /= scalar; )*
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}
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}
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impl std::ops::Mul<f32> for #name {
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type Output = Self;
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fn mul(mut self, scalar: f32) -> Self {
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self *= scalar;
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self
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}
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}
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impl std::ops::Div<f32> for #name {
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type Output = Self;
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fn div(mut self, scalar: f32) -> Self {
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self /= scalar;
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self
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}
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}
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impl std::default::Default for #name {
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fn default() -> Self {
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Self {
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#( #fields: Default::default(), )*
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}
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}
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}
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}
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.into()
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}
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+3
-53
@@ -1,4 +1,6 @@
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#[derive(Clone, Copy, Debug, PartialEq)]
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use ccvl_proc_macros::Pixel;
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#[derive(Clone, Copy, Debug, PartialEq, Pixel)]
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pub struct LinearRGB {
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pub r: f32,
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pub g: f32,
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@@ -10,55 +12,3 @@ impl LinearRGB {
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Self { r, g, b }
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}
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}
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impl std::ops::AddAssign for LinearRGB {
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fn add_assign(&mut self, other: LinearRGB) {
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self.r += other.r;
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self.g += other.g;
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self.b += other.b;
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}
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}
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impl std::ops::MulAssign<f32> for LinearRGB {
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fn mul_assign(&mut self, scalar: f32) {
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self.r *= scalar;
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self.g *= scalar;
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self.b *= scalar;
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}
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}
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impl std::ops::DivAssign<f32> for LinearRGB {
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fn div_assign(&mut self, scalar: f32) {
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self.r /= scalar;
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self.g /= scalar;
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self.b /= scalar;
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}
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}
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impl std::ops::Mul<f32> for LinearRGB {
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type Output = Self;
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fn mul(mut self, scalar: f32) -> Self {
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self *= scalar;
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self
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}
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}
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impl std::ops::Div<f32> for LinearRGB {
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type Output = Self;
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fn div(mut self, scalar: f32) -> Self {
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self /= scalar;
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self
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}
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}
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impl std::default::Default for LinearRGB {
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fn default() -> Self {
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Self {
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r: 0.0,
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g: 0.0,
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b: 0.0,
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}
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}
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}
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+4
-111
@@ -1,4 +1,6 @@
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#[derive(Clone, Copy, Debug, PartialEq)]
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use ccvl_proc_macros::Pixel;
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#[derive(Clone, Copy, Debug, PartialEq, Pixel)]
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pub struct SRGBA {
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pub r: f32,
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pub g: f32,
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@@ -6,7 +8,7 @@ pub struct SRGBA {
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pub a: f32,
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}
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#[derive(Clone, Copy, Debug, PartialEq)]
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#[derive(Clone, Copy, Debug, PartialEq, Pixel)]
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pub struct SRGB {
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pub r: f32,
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pub g: f32,
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@@ -18,117 +20,8 @@ impl SRGBA {
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Self { r, g, b, a }
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}
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}
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impl std::ops::AddAssign for SRGBA {
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fn add_assign(&mut self, other: SRGBA) {
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self.r += other.r;
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self.g += other.g;
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self.b += other.b;
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self.a += other.a;
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}
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}
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impl std::ops::MulAssign<f32> for SRGBA {
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fn mul_assign(&mut self, scalar: f32) {
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self.r *= scalar;
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self.g *= scalar;
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self.b *= scalar;
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self.a *= scalar;
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}
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}
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impl std::ops::DivAssign<f32> for SRGBA {
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fn div_assign(&mut self, scalar: f32) {
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self.r /= scalar;
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self.g /= scalar;
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self.b /= scalar;
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self.a /= scalar;
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}
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}
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impl std::ops::Mul<f32> for SRGBA {
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type Output = Self;
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fn mul(mut self, scalar: f32) -> Self {
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self *= scalar;
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self
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}
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}
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impl std::ops::Div<f32> for SRGBA {
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type Output = Self;
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fn div(mut self, scalar: f32) -> Self {
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self /= scalar;
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self
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}
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}
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impl std::default::Default for SRGBA {
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fn default() -> Self {
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Self {
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r: 0.0,
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g: 0.0,
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b: 0.0,
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a: 0.0,
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}
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}
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}
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impl SRGB {
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pub fn new(r: f32, g: f32, b: f32) -> Self {
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Self { r, g, b }
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}
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}
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impl std::ops::AddAssign for SRGB {
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fn add_assign(&mut self, other: SRGB) {
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self.r += other.r;
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self.g += other.g;
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self.b += other.b;
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}
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}
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impl std::ops::MulAssign<f32> for SRGB {
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fn mul_assign(&mut self, scalar: f32) {
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self.r *= scalar;
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self.g *= scalar;
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self.b *= scalar;
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}
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}
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impl std::ops::DivAssign<f32> for SRGB {
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fn div_assign(&mut self, scalar: f32) {
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self.r /= scalar;
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self.g /= scalar;
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self.b /= scalar;
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}
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}
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impl std::ops::Mul<f32> for SRGB {
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type Output = Self;
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fn mul(mut self, scalar: f32) -> Self {
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self *= scalar;
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self
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}
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}
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impl std::ops::Div<f32> for SRGB {
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type Output = Self;
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fn div(mut self, scalar: f32) -> Self {
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self /= scalar;
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self
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}
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}
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impl std::default::Default for SRGB {
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fn default() -> Self {
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Self {
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r: 0.0,
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g: 0.0,
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b: 0.0,
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}
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}
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}
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