Relative & compound path

This commit is contained in:
Chris Tsang
2020-11-09 00:37:40 +08:00
parent 99cb79895b
commit 5f18837b61
7 changed files with 59 additions and 54 deletions

View File

@@ -13,4 +13,4 @@ keywords = ["svg", "computer-graphics"]
[dependencies]
clap = "2.33.3"
image = "0.23.10"
visioncortex = "0.2.0"
visioncortex = "0.3.0"

View File

@@ -42,7 +42,7 @@ fn color_image_to_svg(config: ConverterConfig) -> Result<(), String> {
let mut svg = SvgFile::new(width, height);
for &cluster_index in view.clusters_output.iter().rev() {
let cluster = view.get_cluster(cluster_index);
let svg_path = cluster.to_svg_path(
let paths = cluster.to_compound_path(
&view,
false,
config.mode,
@@ -51,22 +51,14 @@ fn color_image_to_svg(config: ConverterConfig) -> Result<(), String> {
config.max_iterations,
config.splice_threshold
);
svg.add_path(svg_path, cluster.residue_color());
svg.add_path(paths, cluster.residue_color());
}
let out_file = File::create(config.output_path);
let mut out_file = match out_file {
Ok(file) => file,
Err(_) => return Err(String::from("Cannot create output file.")),
};
out_file.write_all(&svg.to_svg_file().as_bytes()).unwrap();
Ok(())
write_svg(svg, config.output_path)
}
fn binary_image_to_svg(config: ConverterConfig) -> Result<(), String> {
let (img, width, height);
match read_image(config.input_path) {
Ok(values) => {
@@ -79,20 +71,19 @@ fn binary_image_to_svg(config: ConverterConfig) -> Result<(), String> {
let img = img.to_binary_image(|x| x.r < 128);
let clusters = img.to_clusters(false);
let mut svg = SvgFile::new(width, height);
for i in 0..clusters.len() {
let cluster = clusters.get_cluster(i);
if cluster.size() >= config.filter_speckle_area {
let svg_path = cluster.to_svg_path(
let paths = cluster.to_compound_path(
config.mode,
config.corner_threshold,
config.length_threshold,
config.max_iterations,
config.splice_threshold,
);
let color = Color::color(&ColorName::Black);
svg.add_path(svg_path, color);
svg.add_path(paths, Color::color(&ColorName::Black));
}
}
@@ -118,8 +109,8 @@ fn write_svg(svg: SvgFile, output_path: PathBuf) -> Result<(), String> {
Ok(file) => file,
Err(_) => return Err(String::from("Cannot create output file.")),
};
out_file.write_all(&svg.to_svg_file().as_bytes()).unwrap();
write!(&mut out_file, "{}", svg).expect("failed to write file.");
Ok(())
}

View File

@@ -1,42 +1,57 @@
use visioncortex::Color;
pub struct SvgPath {
path: String,
color: Color,
}
use std::fmt;
use visioncortex::{Color, CompoundPath, PointF64};
pub struct SvgFile {
patches: Vec<SvgPath>,
width: usize,
height: usize,
pub paths: Vec<SvgPath>,
pub width: usize,
pub height: usize,
}
pub struct SvgPath {
pub path: CompoundPath,
pub color: Color,
}
impl SvgFile {
pub fn new(width: usize, height: usize) -> Self {
SvgFile {
patches: vec![],
paths: vec![],
width,
height,
}
}
pub fn add_path(&mut self, path: String, color: Color) {
self.patches.push(SvgPath {
pub fn add_path(&mut self, path: CompoundPath, color: Color) {
self.paths.push(SvgPath {
path,
color
color,
})
}
}
pub fn to_svg_file(&self) -> String {
let mut result: Vec<String> = vec![format!(r#"<?xml version="1.0" encoding="UTF-8"?>
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="{}" height="{}">"#, self.width, self.height)];
impl fmt::Display for SvgFile {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
writeln!(f, r#"<?xml version="1.0" encoding="UTF-8"?>"#)?;
writeln!(f,
r#"<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="{}" height="{}">"#,
self.width, self.height
)?;
for patch in &self.patches {
let color = patch.color;
result.push(format!("<path d=\"{}\" fill=\"#{:02x}{:02x}{:02x}\"/>\n", patch.path, color.r, color.g, color.b));
for path in &self.paths {
path.fmt(f)?;
};
result.push(String::from("</svg>"));
result.concat()
writeln!(f, "</svg>")
}
}
impl fmt::Display for SvgPath {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let (string, offset) = self.path.to_svg_string(true, PointF64::default());
writeln!(
f, "<path d=\"{}\" fill=\"{}\" transform=\"translate({},{})\"/>",
string, self.color.to_hex_string(),
offset.x, offset.y
)
}
}

View File

@@ -22,7 +22,7 @@ console_log = { version = "0.2", features = ["color"] }
wasm-bindgen = { version = "0.2", features = ["serde-serialize"] }
serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
visioncortex = "0.2.0"
visioncortex = "0.3.0"
# The `console_error_panic_hook` crate provides better debugging of panics by
# logging them with `console.error`. This is great for development, but requires

View File

@@ -1,5 +1,5 @@
use wasm_bindgen::prelude::*;
use visioncortex::{clusters::Clusters, Color, ColorName, PointI32, PathSimplifyMode};
use visioncortex::{clusters::Clusters, Color, ColorName, PathSimplifyMode};
use crate::{canvas::*};
use crate::svg::*;
@@ -69,7 +69,7 @@ impl BinaryImageConverter {
self.canvas.log(&format!("tick {}", self.counter));
let cluster = self.clusters.get_cluster(self.counter);
if cluster.size() >= self.params.filter_speckle {
let svg_path = cluster.to_svg_path(
let paths = cluster.to_compound_path(
self.mode,
self.params.corner_threshold,
self.params.length_threshold,
@@ -77,9 +77,8 @@ impl BinaryImageConverter {
self.params.splice_threshold
);
let color = Color::color(&ColorName::White);
self.svg.prepend_path_with_fill(
&svg_path,
&PointI32::default(),
self.svg.prepend_path(
&paths,
&color,
);
}

View File

@@ -1,5 +1,5 @@
use wasm_bindgen::prelude::*;
use visioncortex::{PathSimplifyMode, PointI32};
use visioncortex::PathSimplifyMode;
use visioncortex::color_clusters::{IncrementalBuilder, Clusters, Runner, RunnerConfig};
use crate::canvas::*;
@@ -94,16 +94,15 @@ impl ColorImageConverter {
if self.counter < view.clusters_output.len() {
self.canvas.log("Vectorize tick");
let cluster = view.get_cluster(view.clusters_output[self.counter]);
let svg_path = cluster.to_svg_path(
let paths = cluster.to_compound_path(
&view, false, self.mode,
self.params.corner_threshold,
self.params.length_threshold,
self.params.max_iterations,
self.params.splice_threshold
);
self.svg.prepend_path_with_fill(
&svg_path,
&PointI32::new(0, 0),
self.svg.prepend_path(
&paths,
&cluster.residue_color(),
);
self.counter += 1;

View File

@@ -1,5 +1,5 @@
use web_sys::Element;
use visioncortex::{Color, PointI32};
use visioncortex::{Color, CompoundPath, PointF64};
use super::common::document;
pub struct Svg {
@@ -13,11 +13,12 @@ impl Svg {
Self { element }
}
pub fn prepend_path_with_fill(&mut self, path_string: &str, offset: &PointI32, color: &Color) {
pub fn prepend_path(&mut self, paths: &CompoundPath, color: &Color) {
let path = document()
.create_element_ns(Some("http://www.w3.org/2000/svg"), "path")
.unwrap();
path.set_attribute("d", path_string).unwrap();
let (string, offset) = paths.to_svg_string(true, PointF64::default());
path.set_attribute("d", &string).unwrap();
path.set_attribute(
"transform",
format!("translate({},{})", offset.x, offset.y).as_str(),