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svg-filters: new conditional attrs macro
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@ -1,5 +1,37 @@
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#![feature(lint_reasons)]
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#[macro_use]
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pub mod util {
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macro_rules! gen_attr {
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($name:literal = $out:expr) => {
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quick_xml::events::attributes::Attribute {
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key: quick_xml::name::QName($name),
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value: std::borrow::Cow::from(($out).to_string().into_bytes()),
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}
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};
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}
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macro_rules! gen_attrs {
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($($name:literal = $out:expr),+) => {
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vec![
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$(gen_attr!($name = $out)),+
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]
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};
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}
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macro_rules! gen_attrs_with_conds {
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($($name:literal = $out:expr),+, $($cond:expr => $name_:literal = $out_:expr),+) => {
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{
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let mut r = gen_attrs![$($name = $out),+];
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$(if $cond {
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r.push(gen_attr!($name_ = $out_));
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})+
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r
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}
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};
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}
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}
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pub mod codegen;
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pub mod types;
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pub use types::nodes::Node;
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@ -4,23 +4,6 @@ use quick_xml::{events::attributes::Attribute, ElementWriter, Writer};
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use super::CommonAttrs;
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macro_rules! gen_attr {
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($name:literal = $out:expr) => {
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quick_xml::events::attributes::Attribute {
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key: quick_xml::name::QName($name),
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value: std::borrow::Cow::from(($out).to_string().into_bytes()),
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}
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};
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}
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macro_rules! gen_attrs {
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($($name:literal = $out:expr),+) => {
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vec![
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$(gen_attr!($name = $out)),+
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]
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};
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}
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pub mod blend;
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pub mod color_matrix;
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pub mod component_transfer;
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@ -114,7 +97,7 @@ impl WriteElement for FePrimitive {
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FePrimitive::Offset(el) => el.attrs(),
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FePrimitive::SpecularLighting(_) => todo!(),
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FePrimitive::Tile(_) => todo!(),
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FePrimitive::Turbulence(_) => todo!(),
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FePrimitive::Turbulence(el) => el.attrs(),
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}
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}
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@ -135,7 +118,7 @@ impl WriteElement for FePrimitive {
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FePrimitive::Offset(el) => el.tag_name(),
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FePrimitive::SpecularLighting(_) => todo!(),
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FePrimitive::Tile(_) => todo!(),
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FePrimitive::Turbulence(_) => todo!(),
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FePrimitive::Turbulence(el) => el.tag_name(),
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}
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}
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}
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@ -3,38 +3,43 @@ use super::WriteElement;
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/// [feTurbulence](https://www.w3.org/TR/SVG11/filters.html#feTurbulenceElement)
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#[derive(Debug)]
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pub struct Turbulence {
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base_frequency: (f32, f32),
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num_octaves: u16,
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seed: u32,
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stitch_tiles: StitchTiles,
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pub base_frequency: (f32, f32),
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pub num_octaves: u16,
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pub seed: u32,
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pub stitch_tiles: StitchTiles,
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// attr name: type
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noise_type: NoiseType,
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pub noise_type: NoiseType,
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}
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impl WriteElement for Turbulence {
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#[allow(clippy::str_to_string, reason = "in macro invocation")]
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fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
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let mut r = gen_attrs!(
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b"baseFrequency" = format!("{} {}", self.base_frequency.0, self.base_frequency.1)
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);
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// let mut r = gen_attrs!(
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// b"baseFrequency" = format!("{} {}", self.base_frequency.0, self.base_frequency.1)
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// );
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if self.num_octaves != 1 {
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r.push(gen_attr!(b"numOctaves" = self.num_octaves));
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}
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// if self.num_octaves != 1 {
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// r.push(gen_attr!(b"numOctaves" = self.num_octaves));
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// }
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if self.seed != 0 {
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r.push(gen_attr!(b"seed" = self.seed));
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}
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// if self.seed != 0 {
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// r.push(gen_attr!(b"seed" = self.seed));
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// }
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if self.stitch_tiles != StitchTiles::NoStitch {
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r.push(gen_attr!(b"stitchTiles" = "stitch"));
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}
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// if self.stitch_tiles != StitchTiles::NoStitch {
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// r.push(gen_attr!(b"stitchTiles" = "stitch"));
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// }
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if self.noise_type != NoiseType::Turbulence {
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r.push(gen_attr!(b"type" = "fractalNoise"));
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}
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r
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// if self.noise_type != NoiseType::Turbulence {
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// r.push(gen_attr!(b"type" = "fractalNoise"));
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// }
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gen_attrs_with_conds![
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b"baseFrequency" = format!("{} {}", self.base_frequency.0, self.base_frequency.1),
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self.num_octaves != 1 => b"numOctaves" = self.num_octaves,
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self.seed != 0 => b"seed" = self.seed,
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self.stitch_tiles != StitchTiles::NoStitch => b"stitchTiles" = "stitch",
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self.noise_type != NoiseType::Turbulence => b"type" = "fractalNoise"
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]
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}
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fn tag_name(&self) -> &'static str {
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