mirror of
https://github.com/storytold/vectorcraft.git
synced 2026-10-30 12:47:13 -06:00
refactor(engine): move tests_*.rs to tests/<topic>.rs
This commit is contained in:
aiongg
@@ -0,0 +1,517 @@
|
||||
//! File → Export → Save for Web (Legacy): `document.exportForWeb`, its preview, the remembered
|
||||
//! settings and the presets.
|
||||
|
||||
use serde_json::{Value, json};
|
||||
|
||||
use crate::*;
|
||||
|
||||
/// The default settings as JSON.
|
||||
fn defaults() -> Value {
|
||||
cmd::webexport::WebSettings::default().to_json()
|
||||
}
|
||||
|
||||
fn run(s: &mut Session, id: &str, p: Value) -> Value {
|
||||
s.execute(id, &p).unwrap_or_else(|e| panic!("{id}: {e}"))
|
||||
}
|
||||
|
||||
/// A `w`×`h` pt document with unstroked art.
|
||||
fn session(w: f64, h: f64) -> Session {
|
||||
let mut s = Session::new();
|
||||
run(&mut s, "file.new", json!({"width": w, "height": h}));
|
||||
s.paint.stroke = vectorcraft_color::Paint::None;
|
||||
s
|
||||
}
|
||||
|
||||
fn rect(s: &mut Session, [x, y, w, h]: [f64; 4], color: &str) -> u64 {
|
||||
let id = run(s, "shape.rectangle", json!({"x": x, "y": y, "width": w, "height": h}))["id"].as_u64().unwrap();
|
||||
run(s, "paint.setFill", json!({"color": color}));
|
||||
id
|
||||
}
|
||||
|
||||
/// 40×30: red on the left half, blue on the right (two colours, nothing transparent).
|
||||
fn two_colours() -> Session {
|
||||
let mut s = session(40.0, 30.0);
|
||||
rect(&mut s, [0.0, 0.0, 20.0, 30.0], "#ff0000");
|
||||
rect(&mut s, [20.0, 0.0, 20.0, 30.0], "#0000ff");
|
||||
s
|
||||
}
|
||||
|
||||
/// 64×64: an 8×8 grid of 64 different colours.
|
||||
fn many_colours() -> Session {
|
||||
let mut s = session(64.0, 64.0);
|
||||
for i in 0..64 {
|
||||
let (x, y) = ((i % 8) as f64 * 8.0, (i / 8) as f64 * 8.0);
|
||||
rect(&mut s, [x, y, 8.0, 8.0], &format!("#{:02x}{:02x}{:02x}", i * 4, 255 - i * 3, (i * 37) % 256));
|
||||
}
|
||||
s
|
||||
}
|
||||
|
||||
/// The files of an export without a path: (name, bytes).
|
||||
fn files(v: &Value) -> Vec<(String, Vec<u8>)> {
|
||||
v["files"]
|
||||
.as_array()
|
||||
.unwrap()
|
||||
.iter()
|
||||
.map(|f| (f["name"].as_str().unwrap().to_string(), vectorcraft_format::base64_decode(f["dataBase64"].as_str().unwrap()).unwrap()))
|
||||
.collect()
|
||||
}
|
||||
|
||||
/// The one file of an export.
|
||||
fn one(s: &mut Session, p: Value) -> Vec<u8> {
|
||||
let f = files(&run(s, "document.exportForWeb", p));
|
||||
assert_eq!(f.len(), 1);
|
||||
f[0].1.clone()
|
||||
}
|
||||
|
||||
fn pixels(file: &[u8]) -> image::RgbaImage {
|
||||
image::load_from_memory(file).unwrap().to_rgba8()
|
||||
}
|
||||
|
||||
fn distinct(img: &image::RgbaImage) -> usize {
|
||||
img.pixels().map(|p| p.0).collect::<std::collections::HashSet<_>>().len()
|
||||
}
|
||||
|
||||
/// The transparent index of a GIF's graphic control extension, if it has one.
|
||||
fn gif_transparent_index(gif: &[u8]) -> Option<u8> {
|
||||
let i = gif.windows(3).position(|w| w == [0x21, 0xF9, 0x04])?;
|
||||
(gif[i + 3] & 1 == 1).then_some(gif[i + 6])
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn two_colours_give_a_two_colour_palette() {
|
||||
let mut s = two_colours();
|
||||
for format in ["gif", "png8"] {
|
||||
let p = json!({"format": format, "colors": 2, "antiAlias": "none"});
|
||||
let file = one(&mut s, p.clone());
|
||||
let img = pixels(&file);
|
||||
assert_eq!(img.dimensions(), (40, 30));
|
||||
assert_eq!(distinct(&img), 2, "{format}");
|
||||
assert_eq!(img.get_pixel(5, 5).0, [255, 0, 0, 255]);
|
||||
assert_eq!(img.get_pixel(35, 5).0, [0, 0, 255, 255]);
|
||||
let pv = run(&mut s, "document.exportForWeb.preview", p);
|
||||
let colors: Vec<&str> = pv["colors"].as_array().unwrap().iter().map(|c| c["color"].as_str().unwrap()).collect();
|
||||
assert_eq!(colors.len(), 2, "{format}: {colors:?}");
|
||||
assert!(colors.contains(&"#ff0000") && colors.contains(&"#0000ff"));
|
||||
assert!(pv["colors"].as_array().unwrap().iter().all(|c| c["webSafe"] == true && c["transparent"] == false));
|
||||
}
|
||||
// PNG-8 of two colours is one bit per pixel.
|
||||
let png8 = one(&mut s, json!({"format": "png8", "colors": 2}));
|
||||
assert_eq!(png8[24], 1);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn colours_cap_the_palette_at_16() {
|
||||
let mut s = many_colours();
|
||||
for format in ["gif", "png8"] {
|
||||
for dither in ["none", "diffusion", "pattern", "noise"] {
|
||||
for reduction in ["perceptual", "selective", "adaptive", "web"] {
|
||||
let p = json!({"format": format, "colors": 16, "dither": dither, "reduction": reduction});
|
||||
let img = pixels(&one(&mut s, p.clone()));
|
||||
assert!(distinct(&img) <= 16, "{p}: {}", distinct(&img));
|
||||
let pv = run(&mut s, "document.exportForWeb.preview", p.clone());
|
||||
assert!(pv["colors"].as_array().unwrap().len() <= 16, "{p}");
|
||||
}
|
||||
}
|
||||
}
|
||||
// 128 colours keep all 64.
|
||||
assert_eq!(distinct(&pixels(&one(&mut s, json!({"format": "png8", "colors": 128})))), 64);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn gif_transparency_index_and_map_to_transparent() {
|
||||
let mut s = session(40.0, 30.0);
|
||||
rect(&mut s, [10.0, 5.0, 10.0, 20.0], "#ff0000");
|
||||
rect(&mut s, [20.0, 5.0, 10.0, 20.0], "#00ff00");
|
||||
let gif = one(&mut s, json!({"format": "gif", "antiAlias": "none"}));
|
||||
assert_eq!(&gif[..6], b"GIF89a");
|
||||
assert_eq!(gif_transparent_index(&gif), Some(0), "the transparent entry is the first");
|
||||
let img = pixels(&gif);
|
||||
assert_eq!(img.get_pixel(1, 1)[3], 0);
|
||||
assert_eq!(img.get_pixel(15, 15).0, [255, 0, 0, 255]);
|
||||
// Without transparency: no transparent index; the background is the matte.
|
||||
let opaque = one(&mut s, json!({"format": "gif", "transparency": false, "matte": "#000000"}));
|
||||
assert_eq!(gif_transparent_index(&opaque), None);
|
||||
assert_eq!(pixels(&opaque).get_pixel(1, 1).0, [0, 0, 0, 255]);
|
||||
// Map to Transparent: red goes, green stays.
|
||||
let p = json!({"format": "gif", "antiAlias": "none", "colorTable": {"transparent": ["#ff0000"]}});
|
||||
let mapped = pixels(&one(&mut s, p.clone()));
|
||||
assert_eq!(mapped.get_pixel(15, 15)[3], 0);
|
||||
assert_eq!(mapped.get_pixel(25, 15).0, [0, 255, 0, 255]);
|
||||
let pv = run(&mut s, "document.exportForWeb.preview", p);
|
||||
assert_eq!(pv["mappedToTransparent"], json!(["#ff0000"]));
|
||||
assert!(pv["colors"].as_array().unwrap().iter().all(|c| c["source"] != "#ff0000"));
|
||||
// An opaque image gets a transparent index for a mapped colour.
|
||||
let gif = one(&mut s, json!({"format": "gif", "transparency": false, "colorTable": {"transparent": ["#00ff00"]}}));
|
||||
let i = gif_transparent_index(&gif).unwrap();
|
||||
assert_eq!(pixels(&gif).get_pixel(25, 15)[3], 0, "index {i}");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn jpeg_size_grows_with_quality() {
|
||||
let mut s = many_colours();
|
||||
run(&mut s, "shape.ellipse", json!({"x": 5, "y": 7, "width": 41, "height": 33}));
|
||||
let sizes: Vec<usize> = [0, 20, 40, 60, 80, 100].iter().map(|q| one(&mut s, json!({"format": "jpg", "quality": q})).len()).collect();
|
||||
assert!(sizes.windows(2).all(|w| w[0] <= w[1]), "{sizes:?}");
|
||||
assert!(sizes[0] < sizes[5], "{sizes:?}");
|
||||
let jpg = one(&mut s, json!({"format": "jpeg", "quality": 80}));
|
||||
assert_eq!(&jpg[..2], &[0xFF, 0xD8]);
|
||||
// Transparent areas are on the matte.
|
||||
let mut t = session(40.0, 30.0);
|
||||
rect(&mut t, [0.0, 0.0, 10.0, 10.0], "#000000");
|
||||
let yellow = |p: [u8; 4]| p[0] > 240 && p[1] > 240 && p[2] < 20;
|
||||
let img = pixels(&one(&mut t, json!({"format": "jpg", "quality": 100, "matte": "#ffff00", "optimized": false})));
|
||||
assert!(yellow(img.get_pixel(30, 20).0), "{:?}", img.get_pixel(30, 20));
|
||||
// The preview shows the pixels of an optimised file (decoded from a baseline twin: the
|
||||
// `image` crate misreads some optimised Huffman tables).
|
||||
let st = cmd::webexport::WebSettings { format: cmd::webexport::WebFormat::Jpg, quality: 90, matte: "#ffff00".into(), ..Default::default() };
|
||||
let doc = &t.doc().unwrap().doc;
|
||||
let r = cmd::webexport::render(doc, &st).unwrap();
|
||||
let o = cmd::webexport::preview_image(doc, &r.rgba, r.width, r.height, &st).unwrap();
|
||||
assert_eq!(o.bytes, cmd::webexport::optimize(doc, &r.rgba, r.width, r.height, &st).unwrap().bytes, "the file is the one Save writes");
|
||||
let (px, w, h) = cmd::webexport::decode(&o).unwrap();
|
||||
assert_eq!((w, h), (40, 30));
|
||||
let at = (20 * 40 + 30) * 4;
|
||||
assert!(yellow([px[at], px[at + 1], px[at + 2], px[at + 3]]), "{:?}", &px[at..at + 4]);
|
||||
// Progressive frames, and the sRGB profile when asked.
|
||||
let prog = one(&mut t, json!({"format": "jpg", "progressive": true, "embedProfile": true}));
|
||||
assert!(prog.windows(2).any(|w| w == [0xFF, 0xC2]));
|
||||
assert!(prog.windows(12).any(|w| w == b"ICC_PROFILE\0"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn preview_size_is_the_written_size() {
|
||||
let mut s = many_colours();
|
||||
for p in [
|
||||
json!({"format": "gif", "colors": 32, "lossy": 40}),
|
||||
json!({"format": "png8", "colors": 64, "webSnap": 50, "interlaced": true}),
|
||||
json!({"format": "png24", "transparency": false}),
|
||||
json!({"format": "jpg", "quality": 35, "metadata": "all"}),
|
||||
json!({"format": "gif", "percent": 50, "colorTable": {"sort": "luminance"}}),
|
||||
] {
|
||||
let file = one(&mut s, p.clone());
|
||||
let pv = run(&mut s, "document.exportForWeb.preview", merge(&p, json!({"image": true})));
|
||||
assert_eq!(pv["bytes"].as_u64().unwrap() as usize, file.len(), "{p}");
|
||||
assert_eq!(vectorcraft_format::base64_decode(pv["dataBase64"].as_str().unwrap()).unwrap(), file, "{p}");
|
||||
let img = pixels(&file);
|
||||
assert_eq!((pv["width"].as_u64().unwrap() as u32, pv["height"].as_u64().unwrap() as u32), img.dimensions());
|
||||
let seconds = pv["seconds"].as_f64().unwrap();
|
||||
assert!((seconds - file.len() as f64 * 8.0 / 56_600.0).abs() < 1e-9, "at 56.6 kbps by default");
|
||||
}
|
||||
let pv = run(&mut s, "document.exportForWeb.preview", json!({"kbps": 1000}));
|
||||
assert!((pv["seconds"].as_f64().unwrap() * 125_000.0 - pv["bytes"].as_f64().unwrap()).abs() < 1e-6);
|
||||
assert!(s.execute("document.exportForWeb.preview", &json!({"kbps": 0})).is_err());
|
||||
}
|
||||
|
||||
fn merge(a: &Value, b: Value) -> Value {
|
||||
let mut a = a.clone();
|
||||
if let (Some(o), Value::Object(b)) = (a.as_object_mut(), b) {
|
||||
o.extend(b);
|
||||
}
|
||||
a
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn slices_give_one_image_each_and_a_page() {
|
||||
let mut s = session(300.0, 200.0);
|
||||
rect(&mut s, [0.0, 0.0, 300.0, 200.0], "#336699");
|
||||
let a = rect(&mut s, [20.0, 20.0, 100.0, 60.0], "#ff8800");
|
||||
run(&mut s, "object.slice.make", json!({"ids": [a]}));
|
||||
run(&mut s, "object.slice.options", json!({"name": "logo", "url": "https://example.com/", "alt": "Logo <1>", "target": "_blank"}));
|
||||
let b = run(&mut s, "object.slice.create", json!({"x": 150, "y": 100, "width": 100, "height": 50}))["id"].as_u64().unwrap();
|
||||
let layout = run(&mut s, "slice.list", json!({}))["slices"].as_array().unwrap().clone();
|
||||
let n = layout.len();
|
||||
assert!(n > 2, "auto slices fill the rest: {n}");
|
||||
|
||||
let r = run(&mut s, "document.exportForWeb", json!({"format": "gif", "output": "html"}));
|
||||
let f = files(&r);
|
||||
assert_eq!(f.len(), n + 1, "N images plus the page");
|
||||
assert_eq!(f[0].0, "Untitled-1.html");
|
||||
assert!(f[1..].iter().all(|(name, bytes)| name.starts_with("images/") && name.ends_with(".gif") && bytes.starts_with(b"GIF")));
|
||||
assert!(f.iter().any(|(name, _)| name == "images/logo.gif"));
|
||||
let html = String::from_utf8(f[0].1.clone()).unwrap();
|
||||
assert_eq!(html.matches("<img ").count(), n);
|
||||
assert!(html.contains("<a href=\"https://example.com/\" target=\"_blank\""));
|
||||
assert!(html.contains("alt=\"Logo <1>\""));
|
||||
assert!(html.contains("width: 300px; height: 200px;"));
|
||||
// Each slice image has its slice's pixel size.
|
||||
let logo = f.iter().find(|(name, _)| name == "images/logo.gif").unwrap();
|
||||
assert_eq!(pixels(&logo.1).dimensions(), (100, 60));
|
||||
// The images add up to the whole: every pixel is in one slice.
|
||||
let area: u64 = f[1..].iter().map(|(_, b)| pixels(b).dimensions()).map(|(w, h)| u64::from(w) * u64::from(h)).sum();
|
||||
assert_eq!(area, 300 * 200);
|
||||
|
||||
// Images only: no page.
|
||||
assert_eq!(files(&run(&mut s, "document.exportForWeb", json!({}))).len(), n);
|
||||
// A No Image slice is text on the page, not a file.
|
||||
run(&mut s, "object.slice.select", json!({"slices": [b]}));
|
||||
run(&mut s, "object.slice.options", json!({"kind": "noImage", "text": "<b>Hi</b>", "background": "#ffffff", "hAlign": "center"}));
|
||||
let f = files(&run(&mut s, "document.exportForWeb", json!({"output": "html"})));
|
||||
assert_eq!(f.len(), n);
|
||||
let html = String::from_utf8(f[0].1.clone()).unwrap();
|
||||
assert!(html.contains("<b>Hi</b>") && html.contains("background: #ffffff;") && html.contains("justify-content: center"));
|
||||
// Selected slices only.
|
||||
run(&mut s, "object.slice.select", json!({"slices": [a]}));
|
||||
let f = files(&run(&mut s, "document.exportForWeb", json!({"slices": "selected"})));
|
||||
assert_eq!(f.iter().map(|(n, _)| n.as_str()).collect::<Vec<_>>(), ["images/logo.gif"]);
|
||||
run(&mut s, "object.slice.select", json!({}));
|
||||
assert!(s.execute("document.exportForWeb", &json!({"slices": "selected"})).is_err());
|
||||
// No slices: one image.
|
||||
assert_eq!(files(&run(&mut s, "document.exportForWeb", json!({"slices": "none"}))).len(), 1);
|
||||
assert_eq!(run(&mut s, "document.exportForWeb.preview", json!({}))["slices"], n - 1);
|
||||
let one_slice = run(&mut s, "document.exportForWeb.preview", json!({"slice": layout[0]["number"]}));
|
||||
assert_eq!((one_slice["width"].as_f64(), one_slice["height"].as_f64()), (layout[0]["width"].as_f64(), layout[0]["height"].as_f64()));
|
||||
}
|
||||
|
||||
/// Save for Web writes the image of a slice named after a Windows device (`aux`, `NUL`, `COM1`…)
|
||||
/// with a `-` after the device name, on every platform.
|
||||
#[test]
|
||||
fn a_slice_named_after_a_windows_device_gets_a_dash() {
|
||||
let mut s = session(300.0, 200.0);
|
||||
let a = rect(&mut s, [20.0, 20.0, 100.0, 60.0], "#ff8800");
|
||||
run(&mut s, "object.slice.make", json!({"ids": [a]}));
|
||||
run(&mut s, "object.slice.options", json!({"name": "aux"}));
|
||||
let b = run(&mut s, "object.slice.create", json!({"x": 150, "y": 100, "width": 100, "height": 50}))["id"].as_u64().unwrap();
|
||||
run(&mut s, "object.slice.select", json!({"slices": [b]}));
|
||||
run(&mut s, "object.slice.options", json!({"name": "aux-"}));
|
||||
run(&mut s, "object.slice.select", json!({"slices": [a, b]}));
|
||||
let mut names: Vec<String> = files(&run(&mut s, "document.exportForWeb", json!({"slices": "selected"}))).into_iter().map(|(n, _)| n).collect();
|
||||
names.sort();
|
||||
assert_eq!(names, ["images/aux- 2.gif", "images/aux-.gif"]);
|
||||
}
|
||||
|
||||
/// Without a path the files are named after the document's title, with the characters Windows does
|
||||
/// not allow in a file name as `-` and a `-` after a Windows device name, on every platform.
|
||||
#[test]
|
||||
fn files_named_after_the_title_follow_windows_naming_rules() {
|
||||
for (title, page, image) in [("a|b?c*\"<d>", "a-b-c---d-.html", "images/a-b-c---d-.gif"), ("nul", "nul-.html", "images/nul-.gif")] {
|
||||
let mut s = Session::new();
|
||||
run(&mut s, "file.new", json!({"width": 40, "height": 30, "name": title}));
|
||||
rect(&mut s, [0.0, 0.0, 20.0, 30.0], "#ff0000");
|
||||
let names: Vec<String> = files(&run(&mut s, "document.exportForWeb", json!({"output": "html"}))).into_iter().map(|(n, _)| n).collect();
|
||||
assert_eq!(names, [page, image], "{title}");
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn files_are_written_beside_the_path() {
|
||||
let dir = vectorcraft_testkit::temp_dir("webexport");
|
||||
let mut s = two_colours();
|
||||
let path = dir.join("art.gif").to_string_lossy().to_string();
|
||||
let r = run(&mut s, "document.exportForWeb", json!({"path": path}));
|
||||
assert_eq!(r["files"], json!([path]));
|
||||
assert!(std::fs::read(&path).unwrap().starts_with(b"GIF89a"));
|
||||
let page = dir.join("page.html").to_string_lossy().to_string();
|
||||
let r = run(&mut s, "document.exportForWeb", json!({"path": page, "output": "html", "format": "png24"}));
|
||||
assert_eq!(r["path"], json!(page));
|
||||
assert!(std::fs::read_to_string(&page).unwrap().contains("src=\"images/page.png\""));
|
||||
assert!(dir.join("images").join("page.png").exists());
|
||||
assert_eq!(r["bytes"].as_u64().unwrap(), std::fs::metadata(&page).unwrap().len() + std::fs::metadata(dir.join("images/page.png")).unwrap().len());
|
||||
}
|
||||
|
||||
/// A 64×32 PNG whose header reads (so it places at its size) but whose pixel data is cut short.
|
||||
fn cut_png() -> Vec<u8> {
|
||||
let mut png = Vec::new();
|
||||
image::RgbaImage::from_pixel(64, 32, image::Rgba([200, 30, 30, 255]))
|
||||
.write_to(&mut std::io::Cursor::new(&mut png), image::ImageFormat::Png)
|
||||
.unwrap();
|
||||
let idat = png.windows(4).position(|w| w == b"IDAT").unwrap();
|
||||
png.truncate(idat + 8);
|
||||
png
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn an_export_says_when_an_image_could_not_be_decoded() {
|
||||
let undecoded =
|
||||
|r: &Value| r["warnings"].as_array().is_some_and(|w| w.iter().any(|w| w.as_str().is_some_and(|w| w.contains("couldn't be decoded"))));
|
||||
let mut s = two_colours();
|
||||
let r = run(&mut s, "document.exportForWeb", json!({}));
|
||||
assert_eq!(r["warnings"], json!([]), "{r}");
|
||||
assert_eq!(run(&mut s, "document.exportForWeb.preview", json!({}))["warnings"], json!([]));
|
||||
// The renderer can't decode the placed image and draws nothing in its place.
|
||||
run(&mut s, "file.place", json!({"name": "cut.png", "dataBase64": vectorcraft_format::base64_encode(&cut_png())}));
|
||||
for format in ["gif", "jpg", "png8", "png24"] {
|
||||
let r = run(&mut s, "document.exportForWeb", json!({"format": format}));
|
||||
assert!(undecoded(&r), "{format}: {}", r["warnings"]);
|
||||
let r = run(&mut s, "document.exportForWeb.preview", json!({"format": format}));
|
||||
assert!(undecoded(&r), "{format} preview: {}", r["warnings"]);
|
||||
}
|
||||
let dir = vectorcraft_testkit::temp_dir("webexport-undecoded");
|
||||
let page = dir.join("page.html").to_string_lossy().to_string();
|
||||
let r = run(&mut s, "document.exportForWeb", json!({"path": page, "output": "html"}));
|
||||
assert!(undecoded(&r), "{r}");
|
||||
assert!(dir.join("images").join("page.gif").exists(), "the files are still written");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn explicit_artboards_and_unclipped_art_keep_their_pixels_and_dimensions() {
|
||||
let mut s = session(60.0, 40.0);
|
||||
rect(&mut s, [0.0, 0.0, 60.0, 40.0], "#ff0000");
|
||||
run(&mut s, "artboard.new", json!({"x": 100, "y": 0, "width": 32, "height": 24}));
|
||||
rect(&mut s, [100.0, 0.0, 32.0, 24.0], "#0000ff");
|
||||
for (params, size, color) in [
|
||||
(json!({"format": "png24", "artboard": 0}), (60, 40), [255, 0, 0, 255]),
|
||||
(json!({"format": "png24", "artboard": 1}), (32, 24), [0, 0, 255, 255]),
|
||||
(json!({"format": "png24"}), (60, 40), [255, 0, 0, 255]),
|
||||
] {
|
||||
let image = pixels(&one(&mut s, params));
|
||||
assert_eq!(image.dimensions(), size);
|
||||
assert_eq!(image.get_pixel(8, 8).0, color);
|
||||
}
|
||||
let full = pixels(&one(&mut s, json!({"format": "png24", "artboard": 1, "clipToArtboard": false})));
|
||||
assert_eq!(full.dimensions(), (132, 40));
|
||||
assert_eq!(full.get_pixel(8, 8).0, [255, 0, 0, 255]);
|
||||
assert_eq!(full.get_pixel(108, 8).0, [0, 0, 255, 255]);
|
||||
assert_eq!(full.get_pixel(80, 8).0, [0, 0, 0, 0]);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn image_size_region_and_metadata() {
|
||||
let mut s = two_colours();
|
||||
let size = |s: &mut Session, p: Value| pixels(&one(s, p)).dimensions();
|
||||
assert_eq!(size(&mut s, json!({"width": 80})), (80, 60));
|
||||
assert_eq!(size(&mut s, json!({"height": 15})), (20, 15));
|
||||
assert_eq!(size(&mut s, json!({"percent": 150})), (60, 45));
|
||||
// The dialog's fields send decimal numbers: rounded to whole pixels.
|
||||
assert_eq!(size(&mut s, json!({"width": 80.0})), (80, 60));
|
||||
assert_eq!(size(&mut s, json!({"height": 14.6})), (20, 15));
|
||||
for bad in [
|
||||
json!({"percent": 0}),
|
||||
json!({"width": 0}),
|
||||
json!({"width": 0.2}),
|
||||
json!({"width": -5}),
|
||||
json!({"height": 1e300}),
|
||||
json!({"height": "tall"}),
|
||||
json!({"format": "bmp"}),
|
||||
json!({"colors": "many"}),
|
||||
json!({"matte": "plaid"}),
|
||||
json!({"colorTable": {"locked": ["nope"]}}),
|
||||
json!({"artboard": 3}),
|
||||
json!({"preset": "Nope"}),
|
||||
] {
|
||||
assert!(s.execute("document.exportForWeb", &bad).is_err(), "{bad}");
|
||||
}
|
||||
// Clip to Artboard off: the art's bounds.
|
||||
let mut t = session(100.0, 100.0);
|
||||
rect(&mut t, [10.0, 20.0, 30.0, 15.0], "#000000");
|
||||
assert_eq!(size(&mut t, json!({"clipToArtboard": false})), (30, 15));
|
||||
assert_eq!(size(&mut t, json!({})), (100, 100));
|
||||
// File Info: the copyright by default, everything with all, nothing with none.
|
||||
run(&mut s, "file.info", json!({"copyrightNotice": "(c) Someone", "author": "Ann", "description": "Flags"}));
|
||||
let png = one(&mut s, json!({"format": "png24"}));
|
||||
let has = |f: &[u8], t: &str| f.windows(t.len()).any(|w| w == t.as_bytes());
|
||||
assert!(has(&png, "(c) Someone") && !has(&png, "Ann"));
|
||||
assert!(has(&png, "sRGB"), "converted to sRGB");
|
||||
assert!(!has(&one(&mut s, json!({"format": "png24", "convertToSrgb": false})), "sRGB"));
|
||||
let all = one(&mut s, json!({"format": "png8", "metadata": "all"}));
|
||||
assert!(has(&all, "Ann") && has(&all, "Flags"));
|
||||
assert!(has(&one(&mut s, json!({"format": "png24", "metadata": "contact"})), "Ann"));
|
||||
assert!(!has(&one(&mut s, json!({"format": "gif", "metadata": "none"})), "Someone"));
|
||||
assert!(has(&one(&mut s, json!({"format": "gif"})), "Copyright: (c) Someone"));
|
||||
assert!(has(&one(&mut s, json!({"format": "jpg"})), "Copyright: (c) Someone"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn colour_table_lock_web_shift_snap_and_sort() {
|
||||
let mut s = session(30.0, 10.0);
|
||||
rect(&mut s, [0.0, 0.0, 10.0, 10.0], "#123456");
|
||||
rect(&mut s, [10.0, 0.0, 10.0, 10.0], "#fe0101");
|
||||
rect(&mut s, [20.0, 0.0, 10.0, 10.0], "#808080");
|
||||
let colors = |s: &mut Session, p: Value| -> Vec<Value> { run(s, "document.exportForWeb.preview", p)["colors"].as_array().unwrap().clone() };
|
||||
let base = colors(&mut s, json!({}));
|
||||
assert_eq!(base.len(), 3);
|
||||
assert!(base.iter().all(|c| c["color"] == c["source"]));
|
||||
// Web Shift one colour by its source.
|
||||
let shifted = colors(&mut s, json!({"colorTable": {"webShift": ["#123456"]}}));
|
||||
let c = shifted.iter().find(|c| c["source"] == "#123456").unwrap();
|
||||
assert_eq!((c["color"].as_str(), c["webShifted"].as_bool(), c["webSafe"].as_bool()), (Some("#003366"), Some(true), Some(true)));
|
||||
// Web Snap: near colours snap, far ones don't; locked ones never do.
|
||||
let snapped = colors(&mut s, json!({"webSnap": 5}));
|
||||
assert!(snapped.iter().any(|c| c["source"] == "#fe0101" && c["color"] == "#ff0000"));
|
||||
assert!(snapped.iter().any(|c| c["source"] == "#123456" && c["color"] == "#123456"));
|
||||
let locked = colors(&mut s, json!({"webSnap": 100, "colorTable": {"locked": ["#fe0101"]}}));
|
||||
let c = locked.iter().find(|c| c["source"] == "#fe0101").unwrap();
|
||||
assert_eq!((c["color"].as_str(), c["locked"].as_bool()), (Some("#fe0101"), Some(true)));
|
||||
// Locked colours survive fewer colours.
|
||||
let two = colors(&mut s, json!({"colors": 2, "dither": "none", "colorTable": {"locked": ["#808080"]}}));
|
||||
assert!(two.len() <= 2 && two.iter().any(|c| c["color"] == "#808080"), "{two:?}");
|
||||
// Sorting by luminance.
|
||||
let sorted = colors(&mut s, json!({"colorTable": {"sort": "luminance"}}));
|
||||
let names: Vec<&str> = sorted.iter().map(|c| c["color"].as_str().unwrap()).collect();
|
||||
assert_eq!(names, ["#123456", "#fe0101", "#808080"]);
|
||||
// Lossy makes smaller GIFs of busy art.
|
||||
let mut m = many_colours();
|
||||
let plain = one(&mut m, json!({"colors": 32})).len();
|
||||
let lossy = one(&mut m, json!({"colors": 32, "lossy": 100})).len();
|
||||
assert!(lossy < plain, "{lossy} vs {plain}");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn presets_and_remembered_settings() {
|
||||
let mut s = two_colours();
|
||||
let list = run(&mut s, "webExport.presets.list", json!({}));
|
||||
let names: Vec<&str> = list["presets"].as_array().unwrap().iter().map(|p| p["name"].as_str().unwrap()).collect();
|
||||
assert!(names.len() >= 6 && list["presets"].as_array().unwrap().iter().all(|p| p["builtIn"] == true));
|
||||
// A built-in preset as a starting point.
|
||||
let jpg = one(&mut s, json!({"preset": "JPEG, quality 80"}));
|
||||
assert_eq!(&jpg[..2], &[0xFF, 0xD8]);
|
||||
assert!(one(&mut s, json!({"preset": "jpeg, QUALITY 80", "quality": 10})).len() < jpg.len(), "keys win over the preset");
|
||||
|
||||
let r = run(&mut s, "webExport.presets.save", json!({"name": "Mine", "format": "png8", "colors": 4}));
|
||||
assert_eq!((r["created"].as_bool(), r["settings"]["colors"].as_u64()), (Some(true), Some(4)));
|
||||
let r = run(&mut s, "webExport.presets.save", json!({"name": "mine", "settings": {"interlaced": true}}));
|
||||
assert_eq!((r["created"].as_bool(), r["settings"]["colors"].as_u64(), r["settings"]["interlaced"].as_bool()), (Some(false), Some(4), Some(true)));
|
||||
let png = one(&mut s, json!({"preset": "Mine"}));
|
||||
assert_eq!((png[25], png[28]), (3, 1), "indexed and interlaced");
|
||||
run(&mut s, "webExport.presets.save", json!({"name": "Mine", "newName": "Ours"}));
|
||||
assert!(s.execute("webExport.presets.save", &json!({"name": "PNG-24"})).is_err(), "built in");
|
||||
assert!(s.execute("webExport.presets.save", &json!({"name": "Ours", "newName": "PNG-24"})).is_err(), "taken");
|
||||
assert!(s.execute("webExport.presets.save", &json!({})).is_err());
|
||||
assert!(s.execute("webExport.presets.delete", &json!({"name": "PNG-24"})).is_err());
|
||||
// Saved presets are preferences (not Preferences dialog keys) and survive a reset.
|
||||
let saved: Prefs = serde_json::from_value(s.prefs.to_json()).unwrap();
|
||||
assert_eq!(saved, s.prefs, "round trip");
|
||||
assert_eq!(s.prefs.to_json()["webExportPresets"][0]["name"], "Ours");
|
||||
assert!(Prefs::default().to_json().get("webExportPresets").is_none() && Prefs::default().to_json().get("webExportSettings").is_none());
|
||||
run(&mut s, "prefs.reset", json!({}));
|
||||
assert_eq!(s.prefs.web_export_presets.len(), 1);
|
||||
assert_eq!(run(&mut s, "webExport.presets.delete", json!({"name": "ours"}))["deleted"], "Ours");
|
||||
assert!(s.execute("webExport.presets.delete", &json!({"name": "Ours"})).is_err());
|
||||
|
||||
// The dialog's remembered settings.
|
||||
assert_eq!(run(&mut s, "webExport.settings", json!({}))["settings"], defaults());
|
||||
assert!(s.prefs.web_export_settings.is_none(), "reading stores nothing");
|
||||
run(&mut s, "webExport.settings", json!({"format": "jpg", "quality": 30}));
|
||||
let r = run(&mut s, "webExport.settings", json!({"progressive": true}));
|
||||
assert_eq!(
|
||||
(r["settings"]["format"].as_str(), r["settings"]["quality"].as_u64(), r["settings"]["progressive"].as_bool()),
|
||||
(Some("jpg"), Some(30), Some(true))
|
||||
);
|
||||
assert_eq!(run(&mut s, "webExport.settings", json!({"preset": "PNG-24"}))["settings"]["format"], "png24");
|
||||
assert_eq!(run(&mut s, "webExport.settings", json!({"reset": true}))["settings"], defaults());
|
||||
assert!(s.execute("webExport.settings", &json!({"quality": 500})).is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn setting_keys_are_their_json_values() {
|
||||
use cmd::webexport::{SliceScope, WebFormat, WebMetadata, WebOutput};
|
||||
for f in WebFormat::ALL {
|
||||
assert_eq!(serde_json::to_value(f).unwrap(), json!(f.id()));
|
||||
}
|
||||
for m in WebMetadata::ALL {
|
||||
assert_eq!(serde_json::to_value(m).unwrap(), json!(m.key()));
|
||||
}
|
||||
for s in SliceScope::ALL {
|
||||
assert_eq!(serde_json::to_value(s).unwrap(), json!(s.key()));
|
||||
}
|
||||
for o in WebOutput::ALL {
|
||||
assert_eq!(serde_json::to_value(o).unwrap(), json!(o.key()));
|
||||
}
|
||||
// Every setting round-trips through JSON (presets, the remembered settings).
|
||||
let s = Session::new();
|
||||
let custom = s
|
||||
.web_settings(
|
||||
&json!({"format": "png8", "reduction": "web", "dither": "pattern", "antiAlias": "type", "colorTable": {"sort": "hue"}, "percent": 50}),
|
||||
)
|
||||
.unwrap();
|
||||
assert_eq!(serde_json::from_value::<cmd::webexport::WebSettings>(custom.to_json()).unwrap(), custom);
|
||||
}
|
||||
Reference in New Issue
Block a user