oxipng/tests/filters.rs
2016-05-02 09:25:48 -04:00

1228 lines
37 KiB
Rust

extern crate image;
extern crate oxipng;
use image::GenericImage;
use image::Pixel;
use oxipng::png;
use std::collections::HashSet;
use std::fs::remove_file;
use std::path::Path;
use std::path::PathBuf;
fn get_opts(input: &Path) -> oxipng::Options {
let mut filter = HashSet::new();
filter.insert(0);
let mut compression = HashSet::new();
compression.insert(9);
let mut memory = HashSet::new();
memory.insert(9);
let mut strategies = HashSet::new();
for i in 0..4 {
strategies.insert(i);
}
oxipng::Options {
backup: false,
out_file: input.with_extension("out.png").to_owned(),
out_dir: None,
stdout: false,
pretend: false,
recursive: false,
fix_errors: false,
force: true,
clobber: true,
create: true,
preserve_attrs: false,
verbosity: None,
filter: filter,
interlace: None,
compression: compression,
memory: memory,
strategies: strategies,
window: 15,
bit_depth_reduction: true,
color_type_reduction: true,
palette_reduction: true,
idat_recoding: true,
strip: png::Headers::None,
use_heuristics: false,
}
}
fn test_it_converts(input: &Path,
output: &Path,
opts: &oxipng::Options,
color_type_in: png::ColorType,
bit_depth_in: png::BitDepth,
color_type_out: png::ColorType,
bit_depth_out: png::BitDepth) {
let png = png::PngData::new(input, opts.fix_errors).unwrap();
assert!(png.ihdr_data.color_type == color_type_in);
assert!(png.ihdr_data.bit_depth == bit_depth_in);
match oxipng::optimize(input, opts) {
Ok(_) => (),
Err(x) => panic!(x.to_owned()),
};
assert!(output.exists());
let png = match png::PngData::new(output, opts.fix_errors) {
Ok(x) => x,
Err(x) => {
remove_file(output).ok();
panic!(x.to_owned())
}
};
assert!(png.ihdr_data.color_type == color_type_out);
assert!(png.ihdr_data.bit_depth == bit_depth_out);
let old_png = image::open(input).unwrap();
let new_png = image::open(output).unwrap();
// Conversion should be lossless
assert!(old_png.pixels().map(|x| x.2.channels().to_owned()).collect::<Vec<Vec<u8>>>() ==
new_png.pixels().map(|x| x.2.channels().to_owned()).collect::<Vec<Vec<u8>>>());
remove_file(output).ok();
}
#[test]
fn filter_0_for_rgba_16() {
let input = PathBuf::from("tests/files/filter_0_for_rgba_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Sixteen,
png::ColorType::RGBA,
png::BitDepth::Sixteen);
}
#[test]
fn filter_1_for_rgba_16() {
let input = PathBuf::from("tests/files/filter_1_for_rgba_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Sixteen,
png::ColorType::RGBA,
png::BitDepth::Sixteen);
}
#[test]
fn filter_2_for_rgba_16() {
let input = PathBuf::from("tests/files/filter_2_for_rgba_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Sixteen,
png::ColorType::RGBA,
png::BitDepth::Sixteen);
}
#[test]
fn filter_3_for_rgba_16() {
let input = PathBuf::from("tests/files/filter_3_for_rgba_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Sixteen,
png::ColorType::RGBA,
png::BitDepth::Sixteen);
}
#[test]
fn filter_4_for_rgba_16() {
let input = PathBuf::from("tests/files/filter_4_for_rgba_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Sixteen,
png::ColorType::RGBA,
png::BitDepth::Sixteen);
}
#[test]
fn filter_5_for_rgba_16() {
let input = PathBuf::from("tests/files/filter_5_for_rgba_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Sixteen,
png::ColorType::RGBA,
png::BitDepth::Sixteen);
}
#[test]
fn filter_0_for_rgba_8() {
let input = PathBuf::from("tests/files/filter_0_for_rgba_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Eight,
png::ColorType::RGBA,
png::BitDepth::Eight);
}
#[test]
fn filter_1_for_rgba_8() {
let input = PathBuf::from("tests/files/filter_1_for_rgba_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Eight,
png::ColorType::RGBA,
png::BitDepth::Eight);
}
#[test]
fn filter_2_for_rgba_8() {
let input = PathBuf::from("tests/files/filter_2_for_rgba_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Eight,
png::ColorType::RGBA,
png::BitDepth::Eight);
}
#[test]
fn filter_3_for_rgba_8() {
let input = PathBuf::from("tests/files/filter_3_for_rgba_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Eight,
png::ColorType::RGBA,
png::BitDepth::Eight);
}
#[test]
fn filter_4_for_rgba_8() {
let input = PathBuf::from("tests/files/filter_4_for_rgba_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Eight,
png::ColorType::RGBA,
png::BitDepth::Eight);
}
#[test]
fn filter_5_for_rgba_8() {
let input = PathBuf::from("tests/files/filter_5_for_rgba_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGBA,
png::BitDepth::Eight,
png::ColorType::RGBA,
png::BitDepth::Eight);
}
#[test]
fn filter_0_for_rgb_16() {
let input = PathBuf::from("tests/files/filter_0_for_rgb_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Sixteen,
png::ColorType::RGB,
png::BitDepth::Sixteen);
}
#[test]
fn filter_1_for_rgb_16() {
let input = PathBuf::from("tests/files/filter_1_for_rgb_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Sixteen,
png::ColorType::RGB,
png::BitDepth::Sixteen);
}
#[test]
fn filter_2_for_rgb_16() {
let input = PathBuf::from("tests/files/filter_2_for_rgb_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Sixteen,
png::ColorType::RGB,
png::BitDepth::Sixteen);
}
#[test]
fn filter_3_for_rgb_16() {
let input = PathBuf::from("tests/files/filter_3_for_rgb_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Sixteen,
png::ColorType::RGB,
png::BitDepth::Sixteen);
}
#[test]
fn filter_4_for_rgb_16() {
let input = PathBuf::from("tests/files/filter_4_for_rgb_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Sixteen,
png::ColorType::RGB,
png::BitDepth::Sixteen);
}
#[test]
fn filter_5_for_rgb_16() {
let input = PathBuf::from("tests/files/filter_5_for_rgb_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Sixteen,
png::ColorType::RGB,
png::BitDepth::Sixteen);
}
#[test]
fn filter_0_for_rgb_8() {
let input = PathBuf::from("tests/files/filter_0_for_rgb_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Eight,
png::ColorType::RGB,
png::BitDepth::Eight);
}
#[test]
fn filter_1_for_rgb_8() {
let input = PathBuf::from("tests/files/filter_1_for_rgb_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Eight,
png::ColorType::RGB,
png::BitDepth::Eight);
}
#[test]
fn filter_2_for_rgb_8() {
let input = PathBuf::from("tests/files/filter_2_for_rgb_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Eight,
png::ColorType::RGB,
png::BitDepth::Eight);
}
#[test]
fn filter_3_for_rgb_8() {
let input = PathBuf::from("tests/files/filter_3_for_rgb_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Eight,
png::ColorType::RGB,
png::BitDepth::Eight);
}
#[test]
fn filter_4_for_rgb_8() {
let input = PathBuf::from("tests/files/filter_4_for_rgb_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Eight,
png::ColorType::RGB,
png::BitDepth::Eight);
}
#[test]
fn filter_5_for_rgb_8() {
let input = PathBuf::from("tests/files/filter_5_for_rgb_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Eight,
png::ColorType::RGB,
png::BitDepth::Eight);
}
#[test]
fn filter_0_for_grayscale_alpha_16() {
let input = PathBuf::from("tests/files/filter_0_for_grayscale_alpha_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen);
}
#[test]
fn filter_1_for_grayscale_alpha_16() {
let input = PathBuf::from("tests/files/filter_1_for_grayscale_alpha_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen);
}
#[test]
fn filter_2_for_grayscale_alpha_16() {
let input = PathBuf::from("tests/files/filter_2_for_grayscale_alpha_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen);
}
#[test]
fn filter_3_for_grayscale_alpha_16() {
let input = PathBuf::from("tests/files/filter_3_for_grayscale_alpha_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen);
}
#[test]
fn filter_4_for_grayscale_alpha_16() {
let input = PathBuf::from("tests/files/filter_4_for_grayscale_alpha_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen);
}
#[test]
fn filter_5_for_grayscale_alpha_16() {
let input = PathBuf::from("tests/files/filter_5_for_grayscale_alpha_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Sixteen);
}
#[test]
fn filter_0_for_grayscale_alpha_8() {
let input = PathBuf::from("tests/files/filter_0_for_grayscale_alpha_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight);
}
#[test]
fn filter_1_for_grayscale_alpha_8() {
let input = PathBuf::from("tests/files/filter_1_for_grayscale_alpha_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight);
}
#[test]
fn filter_2_for_grayscale_alpha_8() {
let input = PathBuf::from("tests/files/filter_2_for_grayscale_alpha_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight);
}
#[test]
fn filter_3_for_grayscale_alpha_8() {
let input = PathBuf::from("tests/files/filter_3_for_grayscale_alpha_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight);
}
#[test]
fn filter_4_for_grayscale_alpha_8() {
let input = PathBuf::from("tests/files/filter_4_for_grayscale_alpha_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight);
}
#[test]
fn filter_5_for_grayscale_alpha_8() {
let input = PathBuf::from("tests/files/filter_5_for_grayscale_alpha_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight,
png::ColorType::GrayscaleAlpha,
png::BitDepth::Eight);
}
#[test]
fn filter_0_for_grayscale_16() {
let input = PathBuf::from("tests/files/filter_0_for_grayscale_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Sixteen,
png::ColorType::Grayscale,
png::BitDepth::Sixteen);
}
#[test]
fn filter_1_for_grayscale_16() {
let input = PathBuf::from("tests/files/filter_1_for_grayscale_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Sixteen,
png::ColorType::Grayscale,
png::BitDepth::Sixteen);
}
#[test]
fn filter_2_for_grayscale_16() {
let input = PathBuf::from("tests/files/filter_2_for_grayscale_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Sixteen,
png::ColorType::Grayscale,
png::BitDepth::Sixteen);
}
#[test]
fn filter_3_for_grayscale_16() {
let input = PathBuf::from("tests/files/filter_3_for_grayscale_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Sixteen,
png::ColorType::Grayscale,
png::BitDepth::Sixteen);
}
#[test]
fn filter_4_for_grayscale_16() {
let input = PathBuf::from("tests/files/filter_4_for_grayscale_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Sixteen,
png::ColorType::Grayscale,
png::BitDepth::Sixteen);
}
#[test]
fn filter_5_for_grayscale_16() {
let input = PathBuf::from("tests/files/filter_5_for_grayscale_16.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Sixteen,
png::ColorType::Grayscale,
png::BitDepth::Sixteen);
}
#[test]
fn filter_0_for_grayscale_8() {
let input = PathBuf::from("tests/files/filter_0_for_grayscale_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Eight,
png::ColorType::Grayscale,
png::BitDepth::Eight);
}
#[test]
fn filter_1_for_grayscale_8() {
let input = PathBuf::from("tests/files/filter_1_for_grayscale_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Eight,
png::ColorType::Grayscale,
png::BitDepth::Eight);
}
#[test]
fn filter_2_for_grayscale_8() {
let input = PathBuf::from("tests/files/filter_2_for_grayscale_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Eight,
png::ColorType::Grayscale,
png::BitDepth::Eight);
}
#[test]
fn filter_3_for_grayscale_8() {
let input = PathBuf::from("tests/files/filter_3_for_grayscale_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Eight,
png::ColorType::Grayscale,
png::BitDepth::Eight);
}
#[test]
fn filter_4_for_grayscale_8() {
let input = PathBuf::from("tests/files/filter_4_for_grayscale_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Eight,
png::ColorType::Grayscale,
png::BitDepth::Eight);
}
#[test]
fn filter_5_for_grayscale_8() {
let input = PathBuf::from("tests/files/filter_5_for_grayscale_8.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Grayscale,
png::BitDepth::Eight,
png::ColorType::Grayscale,
png::BitDepth::Eight);
}
#[test]
fn filter_0_for_palette_4() {
let input = PathBuf::from("tests/files/filter_0_for_palette_4.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Four,
png::ColorType::Indexed,
png::BitDepth::Four);
}
#[test]
fn filter_1_for_palette_4() {
let input = PathBuf::from("tests/files/filter_1_for_palette_4.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Four,
png::ColorType::Indexed,
png::BitDepth::Four);
}
#[test]
fn filter_2_for_palette_4() {
let input = PathBuf::from("tests/files/filter_2_for_palette_4.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Four,
png::ColorType::Indexed,
png::BitDepth::Four);
}
#[test]
fn filter_3_for_palette_4() {
let input = PathBuf::from("tests/files/filter_3_for_palette_4.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Four,
png::ColorType::Indexed,
png::BitDepth::Four);
}
#[test]
fn filter_4_for_palette_4() {
let input = PathBuf::from("tests/files/filter_4_for_palette_4.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Four,
png::ColorType::Indexed,
png::BitDepth::Four);
}
#[test]
fn filter_5_for_palette_4() {
let input = PathBuf::from("tests/files/filter_5_for_palette_4.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Four,
png::ColorType::Indexed,
png::BitDepth::Four);
}
#[test]
fn filter_0_for_palette_2() {
let input = PathBuf::from("tests/files/filter_0_for_palette_2.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Two,
png::ColorType::Indexed,
png::BitDepth::Two);
}
#[test]
fn filter_1_for_palette_2() {
let input = PathBuf::from("tests/files/filter_1_for_palette_2.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Two,
png::ColorType::Indexed,
png::BitDepth::Two);
}
#[test]
fn filter_2_for_palette_2() {
let input = PathBuf::from("tests/files/filter_2_for_palette_2.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Two,
png::ColorType::Indexed,
png::BitDepth::Two);
}
#[test]
fn filter_3_for_palette_2() {
let input = PathBuf::from("tests/files/filter_3_for_palette_2.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Two,
png::ColorType::Indexed,
png::BitDepth::Two);
}
#[test]
fn filter_4_for_palette_2() {
let input = PathBuf::from("tests/files/filter_4_for_palette_2.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Two,
png::ColorType::Indexed,
png::BitDepth::Two);
}
#[test]
fn filter_5_for_palette_2() {
let input = PathBuf::from("tests/files/filter_5_for_palette_2.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::Two,
png::ColorType::Indexed,
png::BitDepth::Two);
}
#[test]
fn filter_0_for_palette_1() {
let input = PathBuf::from("tests/files/filter_0_for_palette_1.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::One,
png::ColorType::Indexed,
png::BitDepth::One);
}
#[test]
fn filter_1_for_palette_1() {
let input = PathBuf::from("tests/files/filter_1_for_palette_1.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(1);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::One,
png::ColorType::Indexed,
png::BitDepth::One);
}
#[test]
fn filter_2_for_palette_1() {
let input = PathBuf::from("tests/files/filter_2_for_palette_1.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(2);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::One,
png::ColorType::Indexed,
png::BitDepth::One);
}
#[test]
fn filter_3_for_palette_1() {
let input = PathBuf::from("tests/files/filter_3_for_palette_1.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(3);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::One,
png::ColorType::Indexed,
png::BitDepth::One);
}
#[test]
fn filter_4_for_palette_1() {
let input = PathBuf::from("tests/files/filter_4_for_palette_1.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(4);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::One,
png::ColorType::Indexed,
png::BitDepth::One);
}
#[test]
fn filter_5_for_palette_1() {
let input = PathBuf::from("tests/files/filter_5_for_palette_1.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(5);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::Indexed,
png::BitDepth::One,
png::ColorType::Indexed,
png::BitDepth::One);
}
#[test]
fn issue_29() {
let input = PathBuf::from("tests/files/issue-29.png");
let mut opts = get_opts(&input);
opts.filter = HashSet::new();
opts.filter.insert(0);
let output = opts.out_file.clone();
test_it_converts(&input,
&output,
&opts,
png::ColorType::RGB,
png::BitDepth::Eight,
png::ColorType::RGB,
png::BitDepth::Eight);
}