forked from katzen-cafe/iowo
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f59062cf88
Author | SHA1 | Date | |
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f59062cf88 | |||
384fef5a81 | |||
77bcb54b5e | |||
d87033d320 |
11 changed files with 152 additions and 57 deletions
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@ -43,10 +43,25 @@ impl SvgDocument {
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self.filters.get_mut(&id.to_string()).unwrap()
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}
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pub fn generate_svg_pretty(&self) -> String {
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let mut result = Vec::new();
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let doc_writer = quick_xml::Writer::new_with_indent(&mut result, b' ', 2);
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self.generate(doc_writer);
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String::from_utf8_lossy(&result).to_string()
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}
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pub fn generate_svg(&self) -> String {
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let mut result = Vec::new();
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let mut doc_writer = quick_xml::Writer::new_with_indent(&mut result, b' ', 2);
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let doc_writer = quick_xml::Writer::new(&mut result);
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self.generate(doc_writer);
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String::from_utf8_lossy(&result).to_string()
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}
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fn generate(&self, mut doc_writer: quick_xml::Writer<&mut Vec<u8>>) {
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doc_writer
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.create_element("svg")
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.write_inner_content(|writer| {
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@ -55,8 +70,6 @@ impl SvgDocument {
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.try_fold(writer, Self::gen_filter)
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.map(|_| {})
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});
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String::from_utf8_lossy(&result).to_string()
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}
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fn gen_filter<'w, 'r>(
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@ -5,4 +5,4 @@ pub mod types;
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pub use types::nodes::Node;
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#[cfg(test)]
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mod tests {}
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mod tests;
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@ -10,51 +10,8 @@ use svg_filters::{
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};
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fn main() {
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// <filter id="chromabb" >
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// <feColorMatrix values="1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0" in="SourceGraphic" />
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// <feOffset dx="25" dy="0" />
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// <feGaussianBlur stdDeviation="5 0" result="red" />
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// <feColorMatrix values="0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0" result="grn" in="SourceGraphic" />
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// <feColorMatrix values="0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0" in="SourceGraphic" />
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// <feOffset dx="-25" dy="0" />
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// <feGaussianBlur stdDeviation="5 0" result="blu"/>
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// <feComposite in="red" in2="blu" operator="arithmetic" k2="1" k3="1" result="rb" />
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// <feComposite in="rb" in2="grn" operator="arithmetic" k2="1" k3="1" />
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// </filter>
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let mut doc = SvgDocument::new();
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let chromabb = doc.create_filter("chromabb_gen");
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let chan_r = chromabb.color_matrix(
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StandardInput::SourceGraphic,
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ColorMatrixType::Matrix(Box::new([
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1., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 1., 0.,
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])),
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);
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let offset_r = chromabb.offset(chan_r, 25., 0.);
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let blur_r = chromabb.gaussian_blur_xy(offset_r, 5, 0);
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let chan_b = chromabb.color_matrix(
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StandardInput::SourceGraphic,
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ColorMatrixType::Matrix(Box::new([
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0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 1., 0., 0., 0., 0., 0., 1., 0.,
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])),
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);
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let offset_b = chromabb.offset(chan_b, -25., 0.);
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let blur_b = chromabb.gaussian_blur_xy(offset_b, 5, 0);
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let composite_rb = chromabb.composite_arithmetic(blur_r, blur_b, 0., 1., 1., 0.);
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let chan_g = chromabb.color_matrix(
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StandardInput::SourceGraphic,
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ColorMatrixType::Matrix(Box::new([
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0., 0., 0., 0., 0., 0., 1., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 1., 0.,
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])),
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);
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chromabb.composite_arithmetic(composite_rb, chan_g, 0., 1., 1., 0.);
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eprintln!("{}", doc.generate_svg_pretty());
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println!("{}", doc.generate_svg());
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}
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19
crates/svg-filters/src/tests.rs
Normal file
19
crates/svg-filters/src/tests.rs
Normal file
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@ -0,0 +1,19 @@
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mod color_matrix;
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mod complex;
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mod gaussian_blur;
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mod offset;
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mod blend {}
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mod component_transfer {}
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mod composite {}
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mod convolve_matrix {}
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mod diffuse_lighting {}
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mod displacement_map {}
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mod flood {}
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mod image {}
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mod merge {}
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mod morphology {}
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mod specular_lighting {}
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mod tile {}
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mod turbulence {}
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25
crates/svg-filters/src/tests/color_matrix.rs
Normal file
25
crates/svg-filters/src/tests/color_matrix.rs
Normal file
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@ -0,0 +1,25 @@
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use crate::{
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codegen::SvgDocument,
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types::nodes::{primitives::color_matrix::ColorMatrixType, standard_input::StandardInput},
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};
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#[test]
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fn test_greyscale_channel_extraction() {
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let mut doc = SvgDocument::new();
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let greyscale = doc.create_filter("greyscale");
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greyscale.color_matrix(
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StandardInput::SourceGraphic,
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ColorMatrixType::Matrix(Box::new([
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1., 0., 0., 0., 0., //
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1., 0., 0., 0., 0., //
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1., 0., 0., 0., 0., //
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0., 0., 0., 1., 0.,
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])),
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);
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assert_eq!(
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doc.generate_svg(),
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r#"<svg><filter id="greyscale"><feColorMatrix values="1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 0" in="SourceGraphic"/></filter></svg>"#
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);
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}
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42
crates/svg-filters/src/tests/complex.rs
Normal file
42
crates/svg-filters/src/tests/complex.rs
Normal file
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@ -0,0 +1,42 @@
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use crate::{
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codegen::SvgDocument,
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types::nodes::{primitives::color_matrix::ColorMatrixType, standard_input::StandardInput},
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};
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#[test]
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fn test_chrom_abb() {
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let mut doc = SvgDocument::new();
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let chromabb = doc.create_filter("chromabb_gen");
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let chan_r = chromabb.color_matrix(
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StandardInput::SourceGraphic,
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ColorMatrixType::Matrix(Box::new([
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1., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 1., 0.,
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])),
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);
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let offset_r = chromabb.offset(chan_r, 25., 0.);
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let blur_r = chromabb.gaussian_blur_xy(offset_r, 5, 0);
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let chan_b = chromabb.color_matrix(
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StandardInput::SourceGraphic,
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ColorMatrixType::Matrix(Box::new([
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0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 1., 0., 0., 0., 0., 0., 1., 0.,
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])),
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);
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let offset_b = chromabb.offset(chan_b, -25., 0.);
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let blur_b = chromabb.gaussian_blur_xy(offset_b, 5, 0);
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let composite_rb = chromabb.composite_arithmetic(blur_r, blur_b, 0., 1., 1., 0.);
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let chan_g = chromabb.color_matrix(
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StandardInput::SourceGraphic,
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ColorMatrixType::Matrix(Box::new([
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0., 0., 0., 0., 0., 0., 1., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 1., 0.,
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])),
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);
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chromabb.composite_arithmetic(composite_rb, chan_g, 0., 1., 1., 0.);
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assert_eq!(
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doc.generate_svg(),
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r#"<svg><filter id="chromabb_gen"><feColorMatrix values="0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0" in="SourceGraphic" result="r13"/><feColorMatrix values="0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0" in="SourceGraphic" result="r9"/><feOffset dx="-25" dy="0" in="r9" result="r10"/><feGaussianBlur stdDeviation="5 0" in="r10" result="r11"/><feColorMatrix values="1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0" in="SourceGraphic" result="r6"/><feOffset dx="25" dy="0" in="r6" result="r7"/><feGaussianBlur stdDeviation="5 0" in="r7" result="r8"/><feComposite operator="arithmetic" k1="0" k2="1" k3="1" k4="0" in="r8" in2="r11" result="r12"/><feComposite operator="arithmetic" k1="0" k2="1" k3="1" k4="0" in="r12" in2="r13"/></filter></svg>"#
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);
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}
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13
crates/svg-filters/src/tests/gaussian_blur.rs
Normal file
13
crates/svg-filters/src/tests/gaussian_blur.rs
Normal file
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@ -0,0 +1,13 @@
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use crate::{codegen::SvgDocument, types::nodes::standard_input::StandardInput};
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#[test]
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fn test_simple_blur() {
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let mut doc = SvgDocument::new();
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let blur = doc.create_filter("blur");
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blur.gaussian_blur_xy(StandardInput::SourceGraphic, 30, 30);
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assert_eq!(
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doc.generate_svg(),
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r#"<svg><filter id="blur"><feGaussianBlur stdDeviation="30 30" in="SourceGraphic"/></filter></svg>"#
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)
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}
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14
crates/svg-filters/src/tests/offset.rs
Normal file
14
crates/svg-filters/src/tests/offset.rs
Normal file
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@ -0,0 +1,14 @@
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use crate::{codegen::SvgDocument, types::nodes::standard_input::StandardInput};
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#[test]
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fn test_offset_simple() {
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let mut doc = SvgDocument::new();
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let mut offset = doc.create_filter("offset");
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offset.offset(StandardInput::SourceGraphic, 25., -25.);
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assert_eq!(
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doc.generate_svg(),
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r#"<svg><filter id="offset"><feOffset dx="25" dy="-25" in="SourceGraphic"/></filter></svg>"#
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)
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}
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@ -6,6 +6,7 @@ use self::{
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primitives::{
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blend::{Blend, BlendMode},
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color_matrix::{ColorMatrix, ColorMatrixType},
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component_transfer::{ComponentTransfer, TransferFn},
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composite::{Composite, CompositeOperator},
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gaussian_blur::GaussianBlur,
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offset::Offset,
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@ -145,9 +146,7 @@ impl Node {
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}
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pub fn composite_arithmetic(k1: f32, k2: f32, k3: f32, k4: f32) -> Self {
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Self::simple(FePrimitive::Composite(Composite::arithmetic(
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k1, k2, k3, k4,
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)))
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Self::composite(CompositeOperator::Arithmetic { k1, k2, k3, k4 })
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}
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pub fn gaussian_blur(v: u16) -> Self {
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@ -161,4 +160,18 @@ impl Node {
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pub fn offset(dx: f32, dy: f32) -> Self {
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Self::simple(FePrimitive::Offset(Offset::new(dx, dy)))
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}
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pub fn component_transfer_rgba(
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r: TransferFn,
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g: TransferFn,
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b: TransferFn,
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a: TransferFn,
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) -> Self {
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Self::simple(FePrimitive::ComponentTransfer(ComponentTransfer {
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func_r: r,
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func_g: g,
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func_b: b,
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func_a: a,
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}))
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}
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}
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@ -61,7 +61,6 @@ pub trait WriteElement {
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/// svg filter effects primitives
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#[derive(Debug)]
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pub enum FePrimitive {
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// 2 inputs
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Blend(blend::Blend),
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ColorMatrix(color_matrix::ColorMatrix),
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ComponentTransfer(component_transfer::ComponentTransfer),
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@ -1,15 +1,15 @@
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/// [feComponentTransfer](https://www.w3.org/TR/SVG11/filters.html#feComponentTransferElement)
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#[derive(Debug)]
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pub struct ComponentTransfer {
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func_r: TransferFunction,
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func_g: TransferFunction,
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func_b: TransferFunction,
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func_a: TransferFunction,
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pub func_r: TransferFn,
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pub func_g: TransferFn,
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pub func_b: TransferFn,
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pub func_a: TransferFn,
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}
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/// [transfer functions](https://www.w3.org/TR/SVG11/filters.html#transferFuncElements)
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#[derive(Debug)]
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enum TransferFunction {
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pub enum TransferFn {
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Identity,
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Table {
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table_values: Vec<f32>,
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