Fix min and max macro not enforcing limits when data flows

node-graph/README.md

@@ -102,7 +102,7 @@ Instead of manually implementing the `Node` trait with complex generics, one can
 
 ```rs
 #[node_macro::node(category("Raster: Adjustments"))]
-fn opacity(_input: (), #[default(424242)] color: Color,#[min(0.1)] opacity_multiplier: f64) -> Color {
+fn opacity(_input: (), #[default(424242)] color: Color,#[soft_min(0.1)] opacity_multiplier: f64) -> Color {
 	let opacity_multiplier = opacity_multiplier as f32 / 100.;
 	Color::from_rgbaf32_unchecked(color.r(), color.g(), color.b(), color.a() * opacity_multiplier)
 }

node-graph/gcore/src/lib.rs

@@ -9,6 +9,7 @@ use core::future::Future;
 #[cfg(feature = "log")]
 extern crate log;
 pub use crate as graphene_core;
+pub use num_traits;
 
 #[cfg(feature = "reflections")]
 pub use ctor;

node-graph/gcore/src/raster/adjustments.rs

@@ -1399,7 +1399,7 @@ async fn posterize<T: Adjust<Color>>(
 	)]
 	mut input: T,
 	#[default(4)]
-	#[min(2.)]
+	#[hard_min(2.)]
 	levels: u32,
 ) -> T {
 	input.adjust(|color| {

node-graph/gcore/src/vector/generator_nodes.rs

@@ -1,6 +1,7 @@
 use super::misc::{ArcType, AsU64, GridType};
 use super::{PointId, SegmentId, StrokeId};
 use crate::Ctx;
+use crate::graphene_core::num_traits::FromPrimitive;
 use crate::registry::types::Angle;
 use crate::vector::{HandleId, VectorData, VectorDataTable};
 use bezier_rs::Subpath;
@@ -97,11 +98,11 @@ fn rectangle<T: CornerRadius>(
 }
 
 #[node_macro::node(category("Vector: Shape"))]
-fn regular_polygon<T: AsU64>(
+fn regular_polygon<T: AsU64 + std::cmp::PartialOrd + FromPrimitive>(
 	_: impl Ctx,
 	_primary: (),
 	#[default(6)]
-	#[min(3.)]
+	#[hard_min(3.)]
 	#[implementations(u32, u64, f64)]
 	sides: T,
 	#[default(50)] radius: f64,
@@ -112,11 +113,11 @@ fn regular_polygon<T: AsU64>(
 }
 
 #[node_macro::node(category("Vector: Shape"))]
-fn star<T: AsU64>(
+fn star<T: AsU64 + std::cmp::PartialOrd + FromPrimitive>(
 	_: impl Ctx,
 	_primary: (),
 	#[default(5)]
-	#[min(2.)]
+	#[hard_min(2.)]
 	#[implementations(u32, u64, f64)]
 	sides: T,
 	#[default(50)] radius: f64,

node-graph/gcore/src/vector/vector_nodes.rs

@@ -404,7 +404,7 @@ where
 async fn round_corners(
 	_: impl Ctx,
 	source: VectorDataTable,
-	#[min(0.)]
+	#[hard_min(0.)]
 	#[default(10.)]
 	radius: PixelLength,
 	#[range((0., 1.))]
@@ -513,7 +513,7 @@ async fn spatial_merge_by_distance(
 	_: impl Ctx,
 	vector_data: VectorDataTable,
 	#[default(0.1)]
-	#[min(0.0001)]
+	#[hard_min(0.0001)]
 	distance: f64,
 ) -> VectorDataTable {
 	let vector_data_transform = vector_data.transform();
@@ -723,7 +723,7 @@ async fn remove_handles(
 	_: impl Ctx,
 	vector_data: VectorDataTable,
 	#[default(10.)]
-	#[min(0.)]
+	#[soft_min(0.)]
 	max_handle_distance: f64,
 ) -> VectorDataTable {
 	let vector_data_transform = vector_data.transform();
@@ -1331,7 +1331,7 @@ async fn poisson_disk_points(
 	_: impl Ctx,
 	vector_data: VectorDataTable,
 	#[default(10.)]
-	#[min(0.01)]
+	#[hard_min(0.01)]
 	separation_disk_diameter: f64,
 	seed: SeedValue,
 ) -> VectorDataTable {

node-graph/gstd/src/image_color_palette.rs

@@ -5,8 +5,8 @@ use graphene_core::{Color, Ctx};
 async fn image_color_palette(
 	_: impl Ctx,
 	image: ImageFrameTable<Color>,
-	#[min(1.)]
-	#[max(28.)]
+	#[hard_min(1.)]
+	#[hard_max(28.)]
 	max_size: u32,
 ) -> Vec<Color> {
 	const GRID: f32 = 3.;

node-graph/node-macro/src/codegen.rs

@@ -134,14 +134,22 @@ pub(crate) fn generate_node_code(parsed: &ParsedNodeFn) -> syn::Result<TokenStre
 	let number_min_values: Vec<_> = fields
 		.iter()
 		.map(|field| match field {
-			ParsedField::Regular { number_min: Some(number_min), .. } => quote!(Some(#number_min)),
+			ParsedField::Regular { number_soft_min, number_hard_min, .. } => match (number_soft_min, number_hard_min) {
+				(Some(soft_min), _) => quote!(Some(#soft_min)),
+				(None, Some(hard_min)) => quote!(Some(#hard_min)),
+				(None, None) => quote!(None),
+			},
 			_ => quote!(None),
 		})
 		.collect();
 	let number_max_values: Vec<_> = fields
 		.iter()
 		.map(|field| match field {
-			ParsedField::Regular { number_max: Some(number_max), .. } => quote!(Some(#number_max)),
+			ParsedField::Regular { number_soft_max, number_hard_max, .. } => match (number_soft_max, number_hard_max) {
+				(Some(soft_max), _) => quote!(Some(#soft_max)),
+				(None, Some(hard_max)) => quote!(Some(#hard_max)),
+				(None, None) => quote!(None),
+			},
 			_ => quote!(None),
 		})
 		.collect();
@@ -175,6 +183,33 @@ pub(crate) fn generate_node_code(parsed: &ParsedNodeFn) -> syn::Result<TokenStre
 		}
 	});
 
+	let min_max_args = fields.iter().map(|field| match field {
+		ParsedField::Regular {
+			pat_ident,
+			number_hard_min,
+			number_hard_max,
+			..
+		} => {
+			let name = &pat_ident.ident;
+			let mut tokens = quote!();
+			if let Some(min) = number_hard_min {
+				tokens.extend(quote! {
+					let #name = #graphene_core::num_traits::clamp_min(#name, #graphene_core::num_traits::FromPrimitive::from_f64(#min).unwrap());
+				});
+			}
+
+			if let Some(max) = number_hard_max {
+				tokens.extend(quote! {
+					let #name = #graphene_core::num_traits::clamp_max(#name, #graphene_core::num_traits::FromPrimitive::from_f64(#max).unwrap());
+				});
+			}
+			tokens
+		}
+		ParsedField::Node { .. } => {
+			quote!()
+		}
+	});
+
 	let all_implementation_types = fields.iter().flat_map(|field| match field {
 		ParsedField::Regular { implementations, .. } => implementations.into_iter().cloned().collect::<Vec<_>>(),
 		ParsedField::Node { implementations, .. } => implementations
@@ -237,6 +272,7 @@ pub(crate) fn generate_node_code(parsed: &ParsedNodeFn) -> syn::Result<TokenStre
 		fn eval(&'n self, __input: #input_type) -> Self::Output {
 			Box::pin(async move {
 				#(#eval_args)*
+				#(#min_max_args)*
 				self::#fn_name(__input #(, #field_names)*) #await_keyword
 			})
 		}

node-graph/node-macro/src/parsing.rs

@@ -105,8 +105,10 @@ pub(crate) enum ParsedField {
 		ty: Type,
 		exposed: bool,
 		value_source: ParsedValueSource,
-		number_min: Option<LitFloat>,
-		number_max: Option<LitFloat>,
+		number_soft_min: Option<LitFloat>,
+		number_soft_max: Option<LitFloat>,
+		number_hard_min: Option<LitFloat>,
+		number_hard_max: Option<LitFloat>,
 		number_mode_range: Option<ExprTuple>,
 		implementations: Punctuated<Type, Comma>,
 	},
@@ -230,7 +232,7 @@ impl Parse for NodeFnAttributes {
 							r#"
 							Unsupported attribute in `node`.
 							Supported attributes are 'category', 'path' and 'name'.
-							
+
 							Example usage:
 							#[node_macro::node(category("Value"), name("Test Node"))]
 							"#
@@ -419,16 +421,29 @@ fn parse_field(pat_ident: PatIdent, ty: Type, attrs: &[Attribute]) -> syn::Resul
 		_ => ParsedValueSource::None,
 	};
 
-	let number_min = extract_attribute(attrs, "min")
+	let number_soft_min = extract_attribute(attrs, "soft_min")
+		.map(|attr| {
+			attr.parse_args()
+				.map_err(|e| Error::new_spanned(attr, format!("Invalid numerical `soft_min` value for argument '{}': {}", ident, e)))
+		})
+		.transpose()?;
+	let number_soft_max = extract_attribute(attrs, "soft_max")
+		.map(|attr| {
+			attr.parse_args()
+				.map_err(|e| Error::new_spanned(attr, format!("Invalid numerical `soft_max` value for argument '{}': {}", ident, e)))
+		})
+		.transpose()?;
+
+	let number_hard_min = extract_attribute(attrs, "hard_min")
 		.map(|attr| {
 			attr.parse_args()
-				.map_err(|e| Error::new_spanned(attr, format!("Invalid numerical `min` value for argument '{}': {}", ident, e)))
+				.map_err(|e| Error::new_spanned(attr, format!("Invalid numerical `hard_min` value for argument '{}': {}", ident, e)))
 		})
 		.transpose()?;
-	let number_max = extract_attribute(attrs, "max")
+	let number_hard_max = extract_attribute(attrs, "hard_max")
 		.map(|attr| {
 			attr.parse_args()
-				.map_err(|e| Error::new_spanned(attr, format!("Invalid numerical `max` value for argument '{}': {}", ident, e)))
+				.map_err(|e| Error::new_spanned(attr, format!("Invalid numerical `hard_max` value for argument '{}': {}", ident, e)))
 		})
 		.transpose()?;
 
@@ -500,8 +515,10 @@ fn parse_field(pat_ident: PatIdent, ty: Type, attrs: &[Attribute]) -> syn::Resul
 			description,
 			widget_override,
 			exposed,
-			number_min,
-			number_max,
+			number_soft_min,
+			number_soft_max,
+			number_hard_min,
+			number_hard_max,
 			number_mode_range,
 			ty,
 			value_source,
@@ -716,8 +733,10 @@ mod tests {
 				ty: parse_quote!(f64),
 				exposed: false,
 				value_source: ParsedValueSource::None,
-				number_min: None,
-				number_max: None,
+				number_soft_min: None,
+				number_soft_max: None,
+				number_hard_min: None,
+				number_hard_max: None,
 				number_mode_range: None,
 				implementations: Punctuated::new(),
 			}],
@@ -781,8 +800,10 @@ mod tests {
 					ty: parse_quote!(DVec2),
 					exposed: false,
 					value_source: ParsedValueSource::None,
-					number_min: None,
-					number_max: None,
+					number_soft_min: None,
+					number_soft_max: None,
+					number_hard_min: None,
+					number_hard_max: None,
 					number_mode_range: None,
 					implementations: Punctuated::new(),
 				},
@@ -834,8 +855,10 @@ mod tests {
 				ty: parse_quote!(f64),
 				exposed: false,
 				value_source: ParsedValueSource::Default(quote!(50.)),
-				number_min: None,
-				number_max: None,
+				number_soft_min: None,
+				number_soft_max: None,
+				number_hard_min: None,
+				number_hard_max: None,
 				number_mode_range: None,
 				implementations: Punctuated::new(),
 			}],
@@ -885,8 +908,10 @@ mod tests {
 				ty: parse_quote!(f64),
 				exposed: false,
 				value_source: ParsedValueSource::None,
-				number_min: None,
-				number_max: None,
+				number_soft_min: None,
+				number_soft_max: None,
+				number_hard_min: None,
+				number_hard_max: None,
 				number_mode_range: None,
 				implementations: {
 					let mut p = Punctuated::new();
@@ -911,8 +936,8 @@ mod tests {
 				a: f64,
 				/// b
 				#[range((0., 100.))]
-				#[min(-500.)]
-				#[max(500.)]
+				#[soft_min(-500.)]
+				#[soft_max(500.)]
 				b: f64,
 			) -> f64 {
 				a + b
@@ -948,8 +973,10 @@ mod tests {
 				ty: parse_quote!(f64),
 				exposed: false,
 				value_source: ParsedValueSource::None,
-				number_min: Some(parse_quote!(-500.)),
-				number_max: Some(parse_quote!(500.)),
+				number_soft_min: Some(parse_quote!(-500.)),
+				number_soft_max: Some(parse_quote!(500.)),
+				number_hard_min: None,
+				number_hard_max: None,
 				number_mode_range: Some(parse_quote!((0., 100.))),
 				implementations: Punctuated::new(),
 			}],
@@ -999,8 +1026,10 @@ mod tests {
 				widget_override: ParsedWidgetOverride::None,
 				exposed: true,
 				value_source: ParsedValueSource::None,
-				number_min: None,
-				number_max: None,
+				number_soft_min: None,
+				number_soft_max: None,
+				number_hard_min: None,
+				number_hard_max: None,
 				number_mode_range: None,
 				implementations: Punctuated::new(),
 			}],