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svg-filters: add nice abstractions for component transfer

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Schrottkatze 2024-03-22 16:24:04 +01:00
parent 9727ef82ca
commit 9ae8c2fbd3
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4 changed files with 135 additions and 14 deletions
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82
crates/svg-filters/src/types/graph.rs
View file

@ -139,10 +139,12 @@ impl FilterGraph {
}
pub mod abstracted_inputs {
use petgraph::prelude::NodeIndex;
use petgraph::{data::Build, prelude::NodeIndex};
use crate::{
types::nodes::primitives::{blend::BlendMode, color_matrix::ColorMatrixType},
types::nodes::primitives::{
blend::BlendMode, color_matrix::ColorMatrixType, component_transfer::TransferFn,
},
Node,
};
@ -211,6 +213,82 @@ pub mod abstracted_inputs {
.add_edge(self.resolve_input(in2.into()), node_idx, ());
node_idx
}
pub fn component_transfer_rgba(
&mut self,
r#in: impl Into<NodeInput>,
r: TransferFn,
g: TransferFn,
b: TransferFn,
a: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_rgba(r, g, b, a));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_rgb(
&mut self,
r#in: impl Into<NodeInput>,
r: TransferFn,
g: TransferFn,
b: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_rgb(r, g, b));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_r(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_r(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_g(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_g(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_b(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_b(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_a(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_a(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
pub fn component_transfer_single(
&mut self,
r#in: impl Into<NodeInput>,
func: TransferFn,
) -> NodeIndex {
let node_idx = self.dag.add_node(Node::component_transfer_single(func));
self.dag
.add_edge(self.resolve_input(r#in.into()), node_idx, ());
node_idx
}
}
}

44
crates/svg-filters/src/types/nodes.rs
View file

@ -150,4 +150,48 @@ impl Node {
func_a: a,
}))
}
pub fn component_transfer_rgb(r: TransferFn, g: TransferFn, b: TransferFn) -> Self {
Self::component_transfer_rgba(r, g, b, TransferFn::Identity)
}
pub fn component_transfer_r(func: TransferFn) -> Self {
Self::component_transfer_rgba(
func,
TransferFn::Identity,
TransferFn::Identity,
TransferFn::Identity,
)
}
pub fn component_transfer_g(func: TransferFn) -> Self {
Self::component_transfer_rgba(
TransferFn::Identity,
func,
TransferFn::Identity,
TransferFn::Identity,
)
}
pub fn component_transfer_b(func: TransferFn) -> Self {
Self::component_transfer_rgba(
TransferFn::Identity,
TransferFn::Identity,
func,
TransferFn::Identity,
)
}
pub fn component_transfer_a(func: TransferFn) -> Self {
Self::component_transfer_rgba(
TransferFn::Identity,
TransferFn::Identity,
TransferFn::Identity,
func,
)
}
pub fn component_transfer_single(func: TransferFn) -> Self {
Self::component_transfer_rgb(func.clone(), func.clone(), func)
}
}

21
crates/svg-filters/src/types/nodes/primitives.rs
View file

@ -1,6 +1,5 @@
use std::convert::Into;
use quick_xml::{events::attributes::Attribute, ElementWriter, Writer};
use std::convert::Into;
use super::CommonAttrs;
@ -86,18 +85,18 @@ impl WriteElement for FePrimitive {
FePrimitive::ColorMatrix(el) => el.attrs(),
FePrimitive::ComponentTransfer(el) => el.attrs(),
FePrimitive::Composite(el) => el.attrs(),
FePrimitive::GaussianBlur(el) => el.attrs(),
FePrimitive::Offset(el) => el.attrs(),
FePrimitive::Turbulence(el) => el.attrs(),
FePrimitive::ConvolveMatrix(_) => todo!(),
FePrimitive::DiffuseLighting(_) => todo!(),
FePrimitive::DisplacementMap(_) => todo!(),
FePrimitive::Flood(_) => todo!(),
FePrimitive::GaussianBlur(el) => el.attrs(),
FePrimitive::Image(_) => todo!(),
FePrimitive::Merge(_) => todo!(),
FePrimitive::Morphology(_) => todo!(),
FePrimitive::Offset(el) => el.attrs(),
FePrimitive::SpecularLighting(_) => todo!(),
FePrimitive::Tile(_) => todo!(),
FePrimitive::Turbulence(el) => el.attrs(),
}
}
@ -107,18 +106,18 @@ impl WriteElement for FePrimitive {
FePrimitive::ColorMatrix(el) => el.tag_name(),
FePrimitive::ComponentTransfer(el) => el.tag_name(),
FePrimitive::Composite(el) => el.tag_name(),
FePrimitive::GaussianBlur(el) => el.tag_name(),
FePrimitive::Offset(el) => el.tag_name(),
FePrimitive::Turbulence(el) => el.tag_name(),
FePrimitive::ConvolveMatrix(_) => todo!(),
FePrimitive::DiffuseLighting(_) => todo!(),
FePrimitive::DisplacementMap(_) => todo!(),
FePrimitive::Flood(_) => todo!(),
FePrimitive::GaussianBlur(el) => el.tag_name(),
FePrimitive::Image(_) => todo!(),
FePrimitive::Merge(_) => todo!(),
FePrimitive::Morphology(_) => todo!(),
FePrimitive::Offset(el) => el.tag_name(),
FePrimitive::SpecularLighting(_) => todo!(),
FePrimitive::Tile(_) => todo!(),
FePrimitive::Turbulence(el) => el.tag_name(),
}
}
@ -134,18 +133,18 @@ impl WriteElement for FePrimitive {
FePrimitive::ColorMatrix(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::ComponentTransfer(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::Composite(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::Turbulence(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::GaussianBlur(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::Offset(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::ConvolveMatrix(_) => todo!(),
FePrimitive::DiffuseLighting(_) => todo!(),
FePrimitive::DisplacementMap(_) => todo!(),
FePrimitive::Flood(_) => todo!(),
FePrimitive::GaussianBlur(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::Image(_) => todo!(),
FePrimitive::Merge(_) => todo!(),
FePrimitive::Morphology(_) => todo!(),
FePrimitive::Offset(el) => el.element_writer(writer, common, inputs, output),
FePrimitive::SpecularLighting(_) => todo!(),
FePrimitive::Tile(_) => todo!(),
FePrimitive::Turbulence(el) => el.element_writer(writer, common, inputs, output),
}
}
}

2
crates/svg-filters/src/types/nodes/primitives/component_transfer.rs
View file

@ -60,7 +60,7 @@ impl WriteElement for ComponentTransfer {
}
/// [transfer functions](https://www.w3.org/TR/SVG11/filters.html#transferFuncElements)
#[derive(Debug)]
#[derive(Debug, Clone)]
pub enum TransferFn {
Identity,
Table {