svg-filters & basic parser #15

Merged
schrottkatze merged 67 commits from schrottkatze/iowo:svg-filters into main 2024-07-08 18:29:05 +00:00
6 changed files with 114 additions and 1 deletions
Showing only changes of commit 77bcb54b5e - Show all commits

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@ -5,4 +5,4 @@ pub mod types;
pub use types::nodes::Node; pub use types::nodes::Node;
#[cfg(test)] #[cfg(test)]
mod tests {} mod tests;

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@ -0,0 +1,19 @@
mod color_matrix;
mod complex;
mod gaussian_blur;
mod offset;
mod blend {}
mod component_transfer {}
mod composite {}
mod convolve_matrix {}
mod diffuse_lighting {}
mod displacement_map {}
mod flood {}
mod image {}
mod merge {}
mod morphology {}
mod specular_lighting {}
mod tile {}
mod turbulence {}

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@ -0,0 +1,25 @@
use crate::{
codegen::SvgDocument,
types::nodes::{primitives::color_matrix::ColorMatrixType, standard_input::StandardInput},
};
#[test]
fn test_greyscale_channel_extraction() {
let mut doc = SvgDocument::new();
let greyscale = doc.create_filter("greyscale");
greyscale.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
1., 0., 0., 0., 0., //
1., 0., 0., 0., 0., //
1., 0., 0., 0., 0., //
0., 0., 0., 1., 0.,
])),
);
assert_eq!(
doc.generate_svg(),
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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@ -0,0 +1,42 @@
use crate::{
codegen::SvgDocument,
types::nodes::{primitives::color_matrix::ColorMatrixType, standard_input::StandardInput},
};
#[test]
fn test_chrom_abb() {
let mut doc = SvgDocument::new();
let chromabb = doc.create_filter("chromabb_gen");
let chan_r = chromabb.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
1., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 1., 0.,
])),
);
let offset_r = chromabb.offset(chan_r, 25., 0.);
let blur_r = chromabb.gaussian_blur_xy(offset_r, 5, 0);
let chan_b = chromabb.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 1., 0., 0., 0., 0., 0., 1., 0.,
])),
);
let offset_b = chromabb.offset(chan_b, -25., 0.);
let blur_b = chromabb.gaussian_blur_xy(offset_b, 5, 0);
let composite_rb = chromabb.composite_arithmetic(blur_r, blur_b, 0., 1., 1., 0.);
let chan_g = chromabb.color_matrix(
StandardInput::SourceGraphic,
ColorMatrixType::Matrix(Box::new([
0., 0., 0., 0., 0., 0., 1., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 0., 1., 0.,
])),
);
chromabb.composite_arithmetic(composite_rb, chan_g, 0., 1., 1., 0.);
assert_eq!(
doc.generate_svg(),
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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@ -0,0 +1,13 @@
use crate::{codegen::SvgDocument, types::nodes::standard_input::StandardInput};
#[test]
fn test_simple_blur() {
let mut doc = SvgDocument::new();
let blur = doc.create_filter("blur");
blur.gaussian_blur_xy(StandardInput::SourceGraphic, 30, 30);
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="blur"><feGaussianBlur stdDeviation="30 30" in="SourceGraphic"/></filter></svg>"#
)
}

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@ -0,0 +1,14 @@
use crate::{codegen::SvgDocument, types::nodes::standard_input::StandardInput};
#[test]
fn test_offset_simple() {
let mut doc = SvgDocument::new();
let mut offset = doc.create_filter("offset");
offset.offset(StandardInput::SourceGraphic, 25., -25.);
assert_eq!(
doc.generate_svg(),
r#"<svg><filter id="offset"><feOffset dx="25" dy="-25" in="SourceGraphic"/></filter></svg>"#
)
}