forked from katzen-cafe/iowo
svg-filters: get svg generation working!!!!
This commit is contained in:
parent
01b1880089
commit
a42ec014e5
7 changed files with 237 additions and 85 deletions
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@ -1,5 +1,6 @@
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pub mod types;
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#![feature(lint_reasons)]
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pub mod types;
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pub use types::nodes::Node;
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pub use types::nodes::Node;
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pub use types::Edge;
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pub use types::Edge;
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pub use types::Filter;
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pub use types::Filter;
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@ -4,17 +4,6 @@ use svg_filters::{
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};
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};
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fn main() {
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fn main() {
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let mut supersimple = Filter::new();
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let cm = supersimple.add_node(Node::color_matrix(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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supersimple
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.graph
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.extend_with_edges(&[(supersimple.source_graphic(), cm)]);
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dbg!(supersimple.to_svg());
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let mut filter = Filter::new();
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let mut filter = Filter::new();
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// <filter id="chromabb" >
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// <filter id="chromabb" >
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@ -51,18 +40,18 @@ fn main() {
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let composite_final = filter.add_node(Node::composite_arithmetic(0., 1., 1., 0.));
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let composite_final = filter.add_node(Node::composite_arithmetic(0., 1., 1., 0.));
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filter.graph.extend_with_edges(&[
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filter.graph.extend_with_edges(&[
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(filter.source_graphic(), chan_r, Edge::new()),
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(filter.source_graphic(), chan_r, Edge::unnamed()),
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(filter.source_graphic(), chan_b, Edge::new()),
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(filter.source_graphic(), chan_b, Edge::unnamed()),
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(filter.source_graphic(), chan_g, Edge::new()),
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(filter.source_graphic(), chan_g, Edge::unnamed()),
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(chan_r, offset_r, Edge::new()),
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(chan_r, offset_r, Edge::new("ro")),
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(offset_r, blur_r, Edge::new()),
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(offset_r, blur_r, Edge::new("rob")),
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(chan_b, offset_b, Edge::new()),
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(chan_b, offset_b, Edge::new("bo")),
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(offset_b, blur_b, Edge::new()),
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(offset_b, blur_b, Edge::new("bob")),
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(blur_r, composite_rb, Edge::in_idx(0)),
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(blur_r, composite_rb, Edge::new("robc").with_idx(0)),
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(blur_b, composite_rb, Edge::in_idx(1)),
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(blur_b, composite_rb, Edge::new("bobc").with_idx(1)),
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(composite_rb, composite_final, Edge::in_idx(0)),
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(composite_rb, composite_final, Edge::new("cf").with_idx(0)),
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(chan_g, composite_final, Edge::in_idx(1)),
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(chan_g, composite_final, Edge::new("gf").with_idx(1)),
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]);
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]);
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println!("Result: {}", filter.to_svg())
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println!("{}", filter.to_svg())
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}
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}
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@ -1,4 +1,11 @@
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use std::{borrow::Cow, collections::HashMap, fmt::Debug, io::BufWriter, primitive};
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use core::panic;
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use std::{
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borrow::Cow,
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collections::{HashMap, HashSet},
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fmt::Debug,
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io::BufWriter,
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primitive,
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};
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use petgraph::{
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use petgraph::{
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adj::EdgeIndex,
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adj::EdgeIndex,
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@ -9,7 +16,7 @@ use petgraph::{
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prelude::NodeIndex,
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prelude::NodeIndex,
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visit::NodeIndexable,
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visit::NodeIndexable,
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};
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};
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use quick_xml::{events::attributes::Attribute, name::QName, ElementWriter};
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use quick_xml::{events::attributes::Attribute, name::QName, ElementWriter, Error};
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pub mod length;
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pub mod length;
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pub mod nodes;
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pub mod nodes;
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@ -53,47 +60,53 @@ impl Filter<'_> {
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pub fn to_svg(&self) -> String {
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pub fn to_svg(&self) -> String {
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let mut result = Vec::new();
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let mut result = Vec::new();
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let mut writer = quick_xml::Writer::new(&mut result);
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// let mut doc_writer = quick_xml::Writer::new(&mut result);
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let mut doc_writer = quick_xml::Writer::new_with_indent(&mut result, b' ', 2);
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let mut dfs_space = DfsSpace::new(&self.graph);
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doc_writer
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let sorted = toposort(&self.graph, Some(&mut dfs_space)).expect("No cycles! Bad user!");
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.create_element("filter")
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.with_attribute(("id", "chromabb_gen"))
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.write_inner_content(|writer| {
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let mut dfs_space = DfsSpace::new(&self.graph);
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let sorted =
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toposort(&self.graph, Some(&mut dfs_space)).expect("No cycles! Bad user!");
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sorted
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let v = sorted
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.into_iter()
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.into_iter()
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.filter_map(|node_idx| {
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.filter_map(|node_idx| {
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let node = self
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let node = self
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.graph
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.graph
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.node_weight(node_idx)
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.expect("toposorting will not return invalid indices");
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if let Node::Primitive {
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primitive,
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common_attrs,
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} = node
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{
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Some((node_idx, primitive, common_attrs))
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} else {
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None
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}
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})
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.fold(
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&mut writer,
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|writer, (node_idx, primitive, common_attrs)| {
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let el_writer = primitive.element_writer(writer);
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create_input_elements(
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&self.graph,
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el_writer,
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node_idx,
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self.graph
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.node_weight(node_idx)
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.node_weight(node_idx)
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.expect("cannot get invalid node_idx from toposort")
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.expect("toposorting will not return invalid indices");
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.input_count(),
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)
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.write_empty()
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.expect("should write successfully")
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},
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);
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if let Node::Primitive {
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primitive,
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common_attrs,
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} = node
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{
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Some((node_idx, primitive, common_attrs))
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} else {
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None
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}
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})
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.try_fold(writer, |acc, (node_idx, primitive, common_attrs)| {
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let mut el_writer = primitive.element_writer(&mut *acc);
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el_writer = create_input_attr(
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&self.graph,
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el_writer,
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node_idx,
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self.graph
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.node_weight(node_idx)
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.expect("cannot get invalid node_idx from toposort")
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.input_count(),
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);
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create_output_attr(&self.graph, el_writer, node_idx).write_empty()
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})
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.map(|_| ());
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Ok::<(), Error>(())
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})
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.expect("shouldnt fail to write or something");
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String::from_utf8_lossy(&result).to_string()
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String::from_utf8_lossy(&result).to_string()
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}
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}
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}
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}
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@ -112,25 +125,31 @@ pub struct Edge<'a> {
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pub in_idx: Option<u8>,
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pub in_idx: Option<u8>,
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}
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}
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impl Edge<'_> {
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impl<'a> Edge<'a> {
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pub fn new() -> Self {
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pub fn new(name: &'a str) -> Self {
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Self {
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Self {
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edge_type: EdgeType::Unnamed,
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edge_type: EdgeType::Named(name),
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in_idx: None,
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in_idx: None,
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}
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}
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}
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}
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pub fn in_idx(idx: u8) -> Self {
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#[must_use]
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pub fn with_idx(mut self, idx: u8) -> Self {
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self.in_idx = Some(idx);
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self
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}
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pub fn unnamed() -> Self {
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Self {
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Self {
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edge_type: EdgeType::Unnamed,
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edge_type: EdgeType::Unnamed,
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in_idx: Some(idx),
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in_idx: None,
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}
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}
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}
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}
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}
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}
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impl Default for Edge<'_> {
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impl Default for Edge<'_> {
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fn default() -> Self {
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fn default() -> Self {
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Self::new()
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Self::unnamed()
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}
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}
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}
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}
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@ -140,12 +159,13 @@ pub enum EdgeType<'a> {
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/// For standard inputs such as SourceGraphic etc., which we'll just be representing as nodes for simplicity
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/// For standard inputs such as SourceGraphic etc., which we'll just be representing as nodes for simplicity
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Unnamed,
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Unnamed,
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}
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}
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fn create_input_elements<'a>(
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g: &'a DiGraph<Node, Edge<'_>>,
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fn create_input_attr<'w, 'b>(
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mut el_writer: ElementWriter<'a, &'a mut Vec<u8>>,
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g: &'_ DiGraph<Node, Edge<'_>>,
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mut el_writer: ElementWriter<'w, &'b mut Vec<u8>>,
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node_idx: NodeIndex,
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node_idx: NodeIndex,
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input_count: u8,
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input_count: u8,
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) -> ElementWriter<'a, &'a mut Vec<u8>> {
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) -> ElementWriter<'w, &'b mut Vec<u8>> {
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let inputs = g
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let inputs = g
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.neighbors_directed(node_idx, petgraph::Direction::Incoming)
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.neighbors_directed(node_idx, petgraph::Direction::Incoming)
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.collect::<Vec<NodeIndex>>();
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.collect::<Vec<NodeIndex>>();
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let v = match incoming_node {
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let v = match incoming_node {
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Node::StdInput(std_in) => format!("{std_in:?}"),
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Node::StdInput(std_in) => format!("{std_in:?}"),
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Node::Primitive {
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Node::Primitive { .. } => {
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primitive,
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if let EdgeType::Named(name) = edge_type {
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common_attrs,
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(*name).to_owned()
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} => todo!(),
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} else {
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panic!(
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"unnamed edges should not be used for connections between primitives"
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)
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}
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}
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};
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};
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el_writer.with_attribute((in_attr_name.as_str(), v.as_str()))
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el_writer.with_attribute((in_attr_name.as_str(), v.as_str()))
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})
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})
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}
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}
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#[allow(clippy::unwrap_used, reason = "all unwraps are for finding on options")]
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fn create_output_attr<'w, 'b>(
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g: &'_ DiGraph<Node, Edge<'_>>,
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mut el_writer: ElementWriter<'w, &'b mut Vec<u8>>,
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node_idx: NodeIndex,
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) -> ElementWriter<'w, &'b mut Vec<u8>> {
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let output = g
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.neighbors_directed(node_idx, petgraph::Direction::Outgoing)
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.map(|neighbor_idx| {
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let edge_idx = g.find_edge(node_idx, neighbor_idx).unwrap();
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let Edge {
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edge_type: EdgeType::Named(name),
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..
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} = g.edge_weight(edge_idx).unwrap()
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else {
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panic!("Unnamed edge used for connection between primitives");
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};
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*name
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})
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.collect::<HashSet<&str>>();
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if output.is_empty() {
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el_writer
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} else if output.len() == 1 {
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el_writer.with_attribute(Attribute {
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key: QName(b"result"),
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value: Cow::from(
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(*output.into_iter().collect::<Vec<&str>>().first().unwrap())
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.to_string()
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.into_bytes(),
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),
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})
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} else {
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panic!("Can't have more then one named output: {output:?}")
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}
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}
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@ -62,18 +62,18 @@ impl WriteElement for FePrimitive {
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fn attrs(&self) -> std::vec::Vec<quick_xml::events::attributes::Attribute<'_>> {
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fn attrs(&self) -> std::vec::Vec<quick_xml::events::attributes::Attribute<'_>> {
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match self {
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match self {
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FePrimitive::Blend(_) => todo!(),
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FePrimitive::Blend(_) => todo!(),
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FePrimitive::ColorMatrix(cm) => cm.attrs(),
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FePrimitive::ColorMatrix(el) => el.attrs(),
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FePrimitive::ComponentTransfer(_) => todo!(),
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FePrimitive::ComponentTransfer(_) => todo!(),
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FePrimitive::Composite(_) => todo!(),
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FePrimitive::Composite(el) => el.attrs(),
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FePrimitive::ConvolveMatrix(_) => todo!(),
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FePrimitive::ConvolveMatrix(_) => todo!(),
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FePrimitive::DiffuseLighting(_) => todo!(),
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FePrimitive::DiffuseLighting(_) => todo!(),
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FePrimitive::DisplacementMap(_) => todo!(),
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FePrimitive::DisplacementMap(_) => todo!(),
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FePrimitive::Flood(_) => todo!(),
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FePrimitive::Flood(_) => todo!(),
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FePrimitive::GaussianBlur(_) => todo!(),
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FePrimitive::GaussianBlur(el) => el.attrs(),
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FePrimitive::Image(_) => todo!(),
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FePrimitive::Image(_) => todo!(),
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FePrimitive::Merge(_) => todo!(),
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FePrimitive::Merge(_) => todo!(),
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FePrimitive::Morphology(_) => todo!(),
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FePrimitive::Morphology(_) => todo!(),
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FePrimitive::Offset(_) => todo!(),
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FePrimitive::Offset(el) => el.attrs(),
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FePrimitive::SpecularLighting(_) => todo!(),
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FePrimitive::SpecularLighting(_) => todo!(),
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FePrimitive::Tile(_) => todo!(),
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FePrimitive::Tile(_) => todo!(),
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FePrimitive::Turbulence(_) => todo!(),
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FePrimitive::Turbulence(_) => todo!(),
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@ -83,18 +83,18 @@ impl WriteElement for FePrimitive {
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fn tag_name(&self) -> &'static str {
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fn tag_name(&self) -> &'static str {
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match self {
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match self {
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FePrimitive::Blend(_) => todo!(),
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FePrimitive::Blend(_) => todo!(),
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FePrimitive::ColorMatrix(cm) => cm.tag_name(),
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FePrimitive::ColorMatrix(el) => el.tag_name(),
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FePrimitive::ComponentTransfer(_) => todo!(),
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FePrimitive::ComponentTransfer(_) => todo!(),
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FePrimitive::Composite(_) => todo!(),
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FePrimitive::Composite(el) => el.tag_name(),
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FePrimitive::ConvolveMatrix(_) => todo!(),
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FePrimitive::ConvolveMatrix(_) => todo!(),
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FePrimitive::DiffuseLighting(_) => todo!(),
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FePrimitive::DiffuseLighting(_) => todo!(),
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FePrimitive::DisplacementMap(_) => todo!(),
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FePrimitive::DisplacementMap(_) => todo!(),
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FePrimitive::Flood(_) => todo!(),
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FePrimitive::Flood(_) => todo!(),
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FePrimitive::GaussianBlur(_) => todo!(),
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FePrimitive::GaussianBlur(el) => el.tag_name(),
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FePrimitive::Image(_) => todo!(),
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FePrimitive::Image(_) => todo!(),
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FePrimitive::Merge(_) => todo!(),
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FePrimitive::Merge(_) => todo!(),
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FePrimitive::Morphology(_) => todo!(),
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FePrimitive::Morphology(_) => todo!(),
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FePrimitive::Offset(_) => todo!(),
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FePrimitive::Offset(el) => el.tag_name(),
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FePrimitive::SpecularLighting(_) => todo!(),
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FePrimitive::SpecularLighting(_) => todo!(),
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FePrimitive::Tile(_) => todo!(),
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FePrimitive::Tile(_) => todo!(),
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FePrimitive::Turbulence(_) => todo!(),
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FePrimitive::Turbulence(_) => todo!(),
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@ -1,3 +1,9 @@
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use std::borrow::Cow;
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use quick_xml::{events::attributes::Attribute, name::QName};
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use super::WriteElement;
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/// [feComposite](https://www.w3.org/TR/SVG11/filters.html#feCompositeElement)
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/// [feComposite](https://www.w3.org/TR/SVG11/filters.html#feCompositeElement)
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#[derive(Debug)]
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#[derive(Debug)]
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pub struct Composite {
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pub struct Composite {
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@ -25,3 +31,50 @@ pub enum CompositeOperator {
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Xor,
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Xor,
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Arithmetic { k1: f32, k2: f32, k3: f32, k4: f32 },
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Arithmetic { k1: f32, k2: f32, k3: f32, k4: f32 },
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}
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}
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impl WriteElement for Composite {
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fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
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let (op_name, vals) = match self.operator {
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CompositeOperator::Over => ("over", None),
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CompositeOperator::In => ("in", None),
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CompositeOperator::Out => ("out", None),
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||||||
|
CompositeOperator::Atop => ("atop", None),
|
||||||
|
CompositeOperator::Xor => ("xor", None),
|
||||||
|
CompositeOperator::Arithmetic { k1, k2, k3, k4 } => {
|
||||||
|
("arithmetic", Some([k1, k2, k3, k4]))
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
let mut r = vec![Attribute {
|
||||||
|
key: QName(b"operator"),
|
||||||
|
value: Cow::from(op_name.as_bytes()),
|
||||||
|
}];
|
||||||
|
|
||||||
|
if let Some([k1, k2, k3, k4]) = vals {
|
||||||
|
r.append(&mut vec![
|
||||||
|
Attribute {
|
||||||
|
key: QName(b"k1"),
|
||||||
|
value: Cow::from(k1.to_string().into_bytes()),
|
||||||
|
},
|
||||||
|
Attribute {
|
||||||
|
key: QName(b"k2"),
|
||||||
|
value: Cow::from(k2.to_string().into_bytes()),
|
||||||
|
},
|
||||||
|
Attribute {
|
||||||
|
key: QName(b"k3"),
|
||||||
|
value: Cow::from(k3.to_string().into_bytes()),
|
||||||
|
},
|
||||||
|
Attribute {
|
||||||
|
key: QName(b"k4"),
|
||||||
|
value: Cow::from(k4.to_string().into_bytes()),
|
||||||
|
},
|
||||||
|
]);
|
||||||
|
}
|
||||||
|
|
||||||
|
r
|
||||||
|
}
|
||||||
|
|
||||||
|
fn tag_name(&self) -> &'static str {
|
||||||
|
"feComposite"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
|
@ -1,3 +1,9 @@
|
||||||
|
use std::borrow::Cow;
|
||||||
|
|
||||||
|
use quick_xml::{events::attributes::Attribute, name::QName};
|
||||||
|
|
||||||
|
use super::WriteElement;
|
||||||
|
|
||||||
/// [feGaussianBlur](https://www.w3.org/TR/SVG11/filters.html#feGaussianBlurElement)
|
/// [feGaussianBlur](https://www.w3.org/TR/SVG11/filters.html#feGaussianBlurElement)
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub struct GaussianBlur {
|
pub struct GaussianBlur {
|
||||||
|
@ -17,3 +23,18 @@ impl GaussianBlur {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
impl WriteElement for GaussianBlur {
|
||||||
|
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
|
||||||
|
vec![Attribute {
|
||||||
|
key: QName(b"stdDeviation"),
|
||||||
|
value: Cow::from(
|
||||||
|
format!("{} {}", self.std_deviation.0, self.std_deviation.1).into_bytes(),
|
||||||
|
),
|
||||||
|
}]
|
||||||
|
}
|
||||||
|
|
||||||
|
fn tag_name(&self) -> &'static str {
|
||||||
|
"feGaussianBlur"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
|
@ -1,3 +1,9 @@
|
||||||
|
use std::borrow::Cow;
|
||||||
|
|
||||||
|
use quick_xml::{events::attributes::Attribute, name::QName};
|
||||||
|
|
||||||
|
use super::WriteElement;
|
||||||
|
|
||||||
/// [feOffset](https://www.w3.org/TR/SVG11/filters.html#feOffsetElement)
|
/// [feOffset](https://www.w3.org/TR/SVG11/filters.html#feOffsetElement)
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub struct Offset {
|
pub struct Offset {
|
||||||
|
@ -10,3 +16,22 @@ impl Offset {
|
||||||
Self { dx, dy }
|
Self { dx, dy }
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
impl WriteElement for Offset {
|
||||||
|
fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
|
||||||
|
vec![
|
||||||
|
Attribute {
|
||||||
|
key: QName(b"dx"),
|
||||||
|
value: Cow::from(self.dx.to_string().into_bytes()),
|
||||||
|
},
|
||||||
|
Attribute {
|
||||||
|
key: QName(b"dy"),
|
||||||
|
value: Cow::from(self.dy.to_string().into_bytes()),
|
||||||
|
},
|
||||||
|
]
|
||||||
|
}
|
||||||
|
|
||||||
|
fn tag_name(&self) -> &'static str {
|
||||||
|
"feOffset"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
Loading…
Reference in a new issue