Update to visioncortex 0.4.0

cmdapp/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vtracer"
-version = "0.2.0"
+version = "0.2.1"
 authors = ["Chris Tsang <tyt2y7@gmail.com>"]
 edition = "2018"
 description = "A cmd app to convert images into vector graphics."
@@ -13,4 +13,4 @@ keywords = ["svg", "computer-graphics"]
 [dependencies]
 clap = "2.33.3"
 image = "0.23.10"
-visioncortex = "0.3.0"
+visioncortex = "0.4.0"

cmdapp/src/config.rs

@@ -1,7 +1,7 @@
 use std::str::FromStr;
 use std::path::PathBuf;
 use clap::{Arg, App};
-use visioncortex::path::PathSimplifyMode;
+use visioncortex::PathSimplifyMode;
 
 pub enum Preset {
     Bw,

cmdapp/src/converter.rs

@@ -1,7 +1,8 @@
 use std::path::PathBuf;
 use std::{fs::File, io::Write};
 
-use visioncortex::{Color, ColorImage, ColorName, color_clusters::RunnerConfig, color_clusters::Runner};
+use visioncortex::{Color, ColorImage, ColorName};
+use visioncortex::color_clusters::{Runner, RunnerConfig, HIERARCHICAL_MAX};
 use super::config::{Config, ColorMode, ConverterConfig};
 use super::svg::SvgFile;
 
@@ -26,6 +27,8 @@ fn color_image_to_svg(config: ConverterConfig) -> Result<(), String> {
     }
 
     let runner = Runner::new(RunnerConfig {
+        diagonal: config.layer_difference == 0,
+        hierarchical: HIERARCHICAL_MAX,
         batch_size: 25600,
         good_min_area: config.filter_speckle_area,
         good_max_area: (width * height),