Files
vectorcraft/crates/pdf/src/tests.rs
T
bflatasticandClaude Opus 5.5 2925e7f9b5 M4.63: Links panel with status, Relink, Go To, Update, Edit Original, Embed/Unembed, Link Info and Placement Options
The Links panel lists every image (thumbnail, name, page, missing/modified/embedded
badge) with Show filters, sorting and thumbnail sizes; its buttons and flyout relink
(to a file or a folder), go to, update, edit the original, embed and unembed, show in
folder and open Placement Options. Link Info shows format, colour space, location, ppi
and effective ppi, dimensions, scale, rotation, size and dates. Edit > Edit Original
and the Properties panel's image section reach the same commands.

Engine: links.list, links.goTo, links.embed, links.unembed, links.info and
links.placementOptions; links.relink and links.update now place the new file as the
image's Placement Options say (transforms, bounds, file dimensions, fit, fill, the
alignment point, clip to the old bounds). Model: ImageObject.placement.
UI: links.editOriginal, links.reveal, ui.placementOptionsDialog; Services.open_file
and pick_folder on the desktop.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-05 12:40:05 +07:00

595 lines
24 KiB
Rust

use std::sync::Arc;
use vectorcraft_color::{BlendMode, Color, Gradient, GradientKind, GradientPaint, Paint};
use vectorcraft_doc::{
Appearance, AppearanceItem, Artboard, CharStyle, Dash, Document, ImageBlob, ImageObject, LineCap, LineJoin, Node, NodeId, NodeKind, TextObject,
};
use vectorcraft_geom::{Affine, FillRule, PathData, Point, Rect, shapes};
use crate::*;
fn doc(w: f64, h: f64) -> Document {
Document::new(w, h)
}
fn add(d: &mut Document, mut n: Node) -> NodeId {
n.id = d.alloc_id();
let layer = d.default_layer().expect("layer");
let len = d.children(Some(layer)).map_or(0, |c| c.len());
d.insert(Some(layer), len, n).expect("insert")
}
fn rect_node(r: Rect, fill: Color) -> Node {
Node::path(NodeId(0), shapes::rectangle(r), Appearance::basic(Paint::solid(fill), Paint::None, 0.0))
}
fn leaves(d: &Document) -> Vec<&Node> {
let mut out = vec![];
d.walk(|n| {
if !n.is_container() && !matches!(n.kind, NodeKind::Path { clipping: true, .. }) {
out.push(n);
}
});
out
}
fn close(a: Rect, b: Rect, tol: f64) -> bool {
(a.x0 - b.x0).abs() < tol && (a.y0 - b.y0).abs() < tol && (a.x1 - b.x1).abs() < tol && (a.y1 - b.y1).abs() < tol
}
fn roundtrip(d: &Document) -> Document {
let bytes = export(d, &PdfOptions::default()).expect("export");
import(&bytes).expect("import")
}
fn uncompressed(d: &Document) -> String {
let bytes = export(d, &PdfOptions::uncompressed()).expect("export");
String::from_utf8_lossy(&bytes).into_owned()
}
fn page_count(bytes: &[u8]) -> usize {
hayro_syntax::Pdf::new(bytes.to_vec()).expect("parse").pages().len()
}
#[test]
fn export_is_valid_pdf() {
let mut d = doc(200.0, 100.0);
add(&mut d, rect_node(Rect::new(10.0, 10.0, 50.0, 50.0), Color::rgb(1.0, 0.0, 0.0)));
let bytes = export(&d, &PdfOptions::default()).unwrap();
assert!(bytes.starts_with(b"%PDF-1.7"));
let tail = String::from_utf8_lossy(&bytes[bytes.len().saturating_sub(64)..]).into_owned();
assert!(tail.contains("startxref") && tail.contains("%%EOF"), "{tail}");
assert!(String::from_utf8_lossy(&bytes).contains("xref"));
assert_eq!(page_count(&bytes), 1);
}
#[test]
fn metadata_creator_and_title() {
let mut d = doc(100.0, 100.0);
d.title = "Poster".into();
let s = uncompressed(&d);
assert!(s.contains("VectorCraft"));
assert!(s.contains("Poster"));
}
#[test]
fn one_page_per_artboard_with_sizes() {
let mut d = doc(200.0, 100.0);
d.artboards.push(Artboard {
id: 2,
name: "B".into(),
rect: Rect::new(300.0, 0.0, 400.0, 400.0),
show_center_mark: false,
show_cross_hairs: false,
});
d.artboards.push(Artboard {
id: 3,
name: "C".into(),
rect: Rect::new(0.0, 500.0, 612.0, 1292.0),
show_center_mark: false,
show_cross_hairs: false,
});
let bytes = export(&d, &PdfOptions::default()).unwrap();
let pdf = hayro_syntax::Pdf::new(bytes).unwrap();
let sizes: Vec<(f32, f32)> = pdf.pages().iter().map(|p| p.render_dimensions()).collect();
assert_eq!(sizes, vec![(200.0, 100.0), (100.0, 400.0), (612.0, 792.0)]);
}
#[test]
fn artboard_range_and_bad_index() {
let mut d = doc(200.0, 100.0);
d.artboards.push(Artboard {
id: 2,
name: "B".into(),
rect: Rect::new(300.0, 0.0, 400.0, 400.0),
show_center_mark: false,
show_cross_hairs: false,
});
let bytes = export(&d, &PdfOptions { artboards: Some(vec![1]), ..Default::default() }).unwrap();
let pdf = hayro_syntax::Pdf::new(bytes).unwrap();
assert_eq!(pdf.pages().len(), 1);
assert_eq!(pdf.pages()[0].render_dimensions(), (100.0, 400.0));
assert_eq!(export(&d, &PdfOptions { artboards: Some(vec![5]), ..Default::default() }), Err(PdfError::BadArtboard(5)));
d.artboards.clear();
assert_eq!(export(&d, &PdfOptions::default()), Err(PdfError::NoArtboards));
}
#[test]
fn roundtrip_rect_and_ellipse_bounds() {
let mut d = doc(300.0, 200.0);
add(&mut d, rect_node(Rect::new(10.0, 20.0, 110.0, 70.0), Color::rgb(1.0, 0.0, 0.0)));
let e = Node::path(
NodeId(0),
shapes::ellipse(Rect::new(150.0, 40.0, 250.0, 180.0)),
Appearance::basic(Paint::solid(Color::rgb(0.0, 0.0, 1.0)), Paint::None, 0.0),
);
add(&mut d, e);
let out = roundtrip(&d);
let l = leaves(&out);
assert_eq!(l.len(), 2);
assert!(close(l[0].geometric_bounds().unwrap(), Rect::new(10.0, 20.0, 110.0, 70.0), 0.01), "{:?}", l[0].geometric_bounds());
assert!(close(l[1].geometric_bounds().unwrap(), Rect::new(150.0, 40.0, 250.0, 180.0), 0.05), "{:?}", l[1].geometric_bounds());
assert_eq!(out.artboards.len(), 1);
assert!(close(out.artboards[0].rect, Rect::new(0.0, 0.0, 300.0, 200.0), 1e-6));
}
#[test]
fn roundtrip_colours_preserved() {
let mut d = doc(300.0, 100.0);
let cols = [Color::rgb8(0x12, 0x34, 0x56), Color::rgb8(0xff, 0x80, 0x00), Color::rgb8(0x00, 0xc0, 0x40)];
for (i, c) in cols.iter().enumerate() {
add(&mut d, rect_node(Rect::new(10.0 + 90.0 * i as f64, 10.0, 90.0 + 90.0 * i as f64, 90.0), *c));
}
let out = roundtrip(&d);
let got: Vec<String> = leaves(&out).iter().map(|n| n.appearance.fill_paint().color().unwrap().to_hex()).collect();
assert_eq!(got, cols.iter().map(|c| c.to_hex()).collect::<Vec<_>>());
}
#[test]
fn roundtrip_stroke_params_merge_fill_and_stroke() {
let mut d = doc(200.0, 200.0);
let mut p = Node::path(
NodeId(0),
shapes::rectangle(Rect::new(20.0, 20.0, 120.0, 120.0)),
Appearance::basic(Paint::solid(Color::WHITE), Paint::solid(Color::BLACK), 4.0),
);
{
let st = p.appearance.stroke_mut().unwrap();
st.cap = LineCap::Round;
st.join = LineJoin::Bevel;
st.miter_limit = 7.0;
st.dash = Some(Dash { pattern: vec![6.0, 3.0], offset: 1.0, align_corners: false });
}
add(&mut d, p);
let out = roundtrip(&d);
let l = leaves(&out);
assert_eq!(l.len(), 1, "fill + stroke of one path should import as one object");
let st = l[0].appearance.stroke().unwrap();
assert!((st.width - 4.0).abs() < 1e-3);
assert_eq!(st.cap, LineCap::Round);
assert_eq!(st.join, LineJoin::Bevel);
assert!((st.miter_limit - 7.0).abs() < 1e-3);
let dash = st.dash.as_ref().unwrap();
assert_eq!(dash.pattern.len(), 2);
assert!((dash.pattern[0] - 6.0).abs() < 1e-3 && (dash.offset - 1.0).abs() < 1e-3);
assert_eq!(l[0].appearance.fill_paint().color().unwrap().to_hex(), "#ffffff");
}
#[test]
fn roundtrip_open_path_and_even_odd() {
let mut d = doc(200.0, 200.0);
let mut bp = vectorcraft_geom::BezPath::new();
bp.move_to((10.0, 10.0));
bp.curve_to((50.0, 0.0), (80.0, 100.0), (150.0, 60.0));
add(&mut d, Node::path(NodeId(0), PathData::from_bezpath(&bp), Appearance::basic(Paint::None, Paint::solid(Color::BLACK), 2.0)));
let mut ring = shapes::rectangle(Rect::new(20.0, 100.0, 120.0, 190.0));
ring.subpaths.extend(shapes::rectangle(Rect::new(40.0, 120.0, 100.0, 170.0)).subpaths);
let mut n = rect_node(Rect::ZERO, Color::BLACK);
n.kind = NodeKind::Path { path: ring, rule: FillRule::EvenOdd, live: None, clipping: false, guide: false };
add(&mut d, n);
let out = roundtrip(&d);
let l = leaves(&out);
assert_eq!(l.len(), 2);
let pb = l[0].path_data().unwrap();
assert!(!pb.is_closed());
let b = l[0].geometric_bounds().unwrap();
let want = bp.bounding_box_exact();
assert!(close(b, want, 0.05), "{b:?} vs {want:?}");
assert!(matches!(l[1].kind, NodeKind::Path { rule: FillRule::EvenOdd, .. }));
assert_eq!(l[1].path_data().unwrap().subpaths.len(), 2);
}
trait Exact {
fn bounding_box_exact(&self) -> Rect;
}
impl Exact for vectorcraft_geom::BezPath {
fn bounding_box_exact(&self) -> Rect {
kurbo::Shape::bounding_box(self)
}
}
#[test]
fn gradients_exported_as_shadings_and_reimported() {
let mut d = doc(300.0, 100.0);
let lin = GradientPaint::new(Gradient::default());
let mut n = rect_node(Rect::new(0.0, 0.0, 140.0, 100.0), Color::BLACK);
n.appearance.set_fill(Paint::Gradient(Box::new(lin)));
add(&mut d, n);
let rad = GradientPaint::new(Gradient { kind: GradientKind::Radial, ..Gradient::default() });
let mut n = rect_node(Rect::new(150.0, 0.0, 250.0, 100.0), Color::BLACK);
n.appearance.set_fill(Paint::Gradient(Box::new(rad)));
add(&mut d, n);
let s = uncompressed(&d);
let s = s.replace(' ', "");
assert!(s.contains("/ShadingType2"), "axial shading");
assert!(s.contains("/ShadingType3"), "radial shading");
let out = roundtrip(&d);
let l = leaves(&out);
assert_eq!(l.len(), 2);
let Paint::Gradient(g) = l[0].appearance.fill_paint() else { panic!("linear gradient lost: {:?}", l[0].appearance) };
assert_eq!(g.gradient.kind, GradientKind::Linear);
let geom = g.geom.unwrap();
assert!((geom.start.x - 0.0).abs() < 0.1 && (geom.end.x - 140.0).abs() < 0.1, "{geom:?}");
assert_eq!(g.gradient.stops.first().unwrap().color.to_hex(), "#ffffff");
assert_eq!(g.gradient.stops.last().unwrap().color.to_hex(), "#000000");
let Paint::Gradient(g) = l[1].appearance.fill_paint() else { panic!("radial gradient lost") };
assert_eq!(g.gradient.kind, GradientKind::Radial);
assert!((g.geom.unwrap().start - Point::new(200.0, 50.0)).hypot() < 0.1);
}
#[test]
fn hidden_objects_and_template_layers_skipped() {
let mut d = doc(200.0, 200.0);
add(&mut d, rect_node(Rect::new(10.0, 10.0, 50.0, 50.0), Color::BLACK));
let mut hidden = rect_node(Rect::new(60.0, 10.0, 90.0, 50.0), Color::BLACK);
hidden.visible = false;
add(&mut d, hidden);
let t = d.add_layer(Some("Template"));
if let NodeKind::Layer { template, .. } = &mut d.node_mut(t).unwrap().kind {
*template = true;
}
let mut n = rect_node(Rect::new(100.0, 100.0, 150.0, 150.0), Color::BLACK);
n.id = d.alloc_id();
d.insert(Some(t), 0, n).unwrap();
let mut guide = rect_node(Rect::new(0.0, 0.0, 10.0, 10.0), Color::BLACK);
if let NodeKind::Path { guide: g, .. } = &mut guide.kind {
*g = true;
}
add(&mut d, guide);
let out = roundtrip(&d);
assert_eq!(leaves(&out).len(), 1);
}
#[test]
fn objects_outside_artboard_are_culled() {
let mut d = doc(100.0, 100.0);
add(&mut d, rect_node(Rect::new(10.0, 10.0, 50.0, 50.0), Color::BLACK));
add(&mut d, rect_node(Rect::new(500.0, 500.0, 550.0, 550.0), Color::BLACK));
assert_eq!(leaves(&roundtrip(&d)).len(), 1);
}
#[test]
fn opacity_and_blend_modes() {
let mut d = doc(200.0, 200.0);
let mut n = rect_node(Rect::new(10.0, 10.0, 100.0, 100.0), Color::rgb(1.0, 0.0, 0.0));
n.opacity = 0.5;
n.blend = BlendMode::Multiply;
add(&mut d, n);
let s = uncompressed(&d);
let s = s.replace(' ', "");
assert!(s.contains("/BM/Multiply"), "blend mode in ExtGState");
assert!(s.contains("/ca0.5"), "opacity in ExtGState");
assert!(s.contains("/Transparency"), "transparency group");
let out = roundtrip(&d);
let l = leaves(&out);
assert_eq!(l.len(), 1);
// Opacity/blend end up on the object or an enclosing group.
let mut op = 1.0;
let mut bm = BlendMode::Normal;
out.walk(|n| {
op *= n.opacity * n.appearance.fill().map_or(1.0, |f| f.opacity);
if n.blend != BlendMode::Normal {
bm = n.blend;
}
});
assert!((op - 0.5).abs() < 0.01, "{op}");
assert_eq!(bm, BlendMode::Multiply);
}
#[test]
fn clip_group_roundtrip() {
let mut d = doc(200.0, 200.0);
let clip = Node::new(
NodeId(0),
NodeKind::Path {
path: shapes::ellipse(Rect::new(20.0, 20.0, 120.0, 120.0)),
rule: FillRule::NonZero,
live: None,
clipping: true,
guide: false,
},
);
let mut clip = clip;
clip.id = d.alloc_id();
let mut a = rect_node(Rect::new(0.0, 0.0, 100.0, 100.0), Color::rgb(0.0, 1.0, 0.0));
a.id = d.alloc_id();
let mut b = rect_node(Rect::new(50.0, 50.0, 150.0, 150.0), Color::rgb(0.0, 0.0, 1.0));
b.id = d.alloc_id();
let g = Node::new(NodeId(0), NodeKind::Group { children: vec![Arc::new(clip), Arc::new(a), Arc::new(b)], clip: true });
add(&mut d, g);
let out = roundtrip(&d);
let mut groups = vec![];
out.walk(|n| {
if let NodeKind::Group { clip: true, children } = &n.kind {
groups.push(children.len());
}
});
assert_eq!(groups, vec![3]);
let cg = {
let mut r = None;
out.walk(|n| {
if matches!(n.kind, NodeKind::Group { clip: true, .. }) {
r = n.geometric_bounds();
}
});
r.unwrap()
};
assert!(close(cg, Rect::new(20.0, 20.0, 120.0, 120.0), 0.05), "{cg:?}");
}
#[test]
fn text_exported_as_outlines() {
let mut d = doc(300.0, 100.0);
let t = TextObject::point(Point::new(10.0, 50.0), "Hello", CharStyle { size: 24.0, ..CharStyle::default() });
add(&mut d, Node::new(NodeId(0), NodeKind::Text(Box::new(t))));
let s = uncompressed(&d);
assert!(!s.contains("/Font"), "no fonts when outlining text");
let r = import_with_report(&export(&d, &PdfOptions::default()).unwrap(), &ImportOptions::default()).unwrap();
let l = leaves(&r.document);
assert!(!l.is_empty());
assert!(l.iter().all(|n| matches!(n.kind, NodeKind::Path { .. })));
let b = l.iter().fold(None, |acc, n| vectorcraft_geom::union_opt(acc, n.geometric_bounds())).unwrap();
assert!(b.x0 >= 9.0 && b.x1 < 120.0 && b.y1 <= 56.0 && b.y0 > 25.0, "{b:?}");
}
fn tiny_png() -> Vec<u8> {
let mut img = image::RgbaImage::new(4, 2);
for (x, _, p) in img.enumerate_pixels_mut() {
*p = image::Rgba([if x < 2 { 255 } else { 0 }, 0, 0, 255]);
}
let mut out = vec![];
img.write_to(&mut std::io::Cursor::new(&mut out), image::ImageFormat::Png).unwrap();
out
}
#[test]
fn image_roundtrip() {
let mut d = doc(200.0, 200.0);
d.images.insert("img1".into(), ImageBlob::new("image/png", tiny_png()));
let im = ImageObject {
key: "img1".into(),
width: 4,
height: 2,
xf: Affine::translate((20.0, 30.0)) * Affine::scale(10.0),
link: None,
placement: Default::default(),
};
add(&mut d, Node::new(NodeId(0), NodeKind::Image(im)));
let out = roundtrip(&d);
let l = leaves(&out);
assert_eq!(l.len(), 1);
let NodeKind::Image(im) = &l[0].kind else { panic!("expected image, got {:?}", l[0].kind_label()) };
assert_eq!((im.width, im.height), (4, 2));
assert!(close(l[0].geometric_bounds().unwrap(), Rect::new(20.0, 30.0, 60.0, 50.0), 0.01), "{:?}", l[0].geometric_bounds());
let blob = &out.images[&im.key];
let decoded = image::load_from_memory(&blob.bytes).unwrap().to_rgba8();
assert_eq!(decoded.get_pixel(0, 0).0, [255, 0, 0, 255]);
assert_eq!(decoded.get_pixel(3, 0).0, [0, 0, 0, 255]);
}
/// Build a PDF with a correct xref table from object bodies.
fn handmade_pdf(content: &str, media: &str) -> Vec<u8> {
let objs = [
"<< /Type /Catalog /Pages 2 0 R >>".to_string(),
"<< /Type /Pages /Kids [3 0 R] /Count 1 >>".to_string(),
format!("<< /Type /Page /Parent 2 0 R /MediaBox {media} /Contents 4 0 R /Resources << >> >>"),
format!("<< /Length {} >>\nstream\n{content}\nendstream", content.len() + 1),
];
let mut out = b"%PDF-1.4\n".to_vec();
let mut offs = vec![];
for (i, o) in objs.iter().enumerate() {
offs.push(out.len());
out.extend(format!("{} 0 obj\n{o}\nendobj\n", i + 1).bytes());
}
let xref = out.len();
out.extend(format!("xref\n0 {}\n0000000000 65535 f \n", objs.len() + 1).bytes());
for o in offs {
out.extend(format!("{o:010} 00000 n \n").bytes());
}
out.extend(format!("trailer\n<< /Size {} /Root 1 0 R >>\nstartxref\n{xref}\n%%EOF\n", objs.len() + 1).bytes());
out
}
#[test]
fn import_handmade_pdf() {
let content = "1 0 0 RG 0 0 1 rg 3 w 10 10 50 30 re B \
0 1 1 0 k 100 100 20 20 re f \
0.5 g q 1 0 0 1 150 0 cm 0 0 m 40 0 l 20 30 l h f Q";
let bytes = handmade_pdf(content, "[0 0 200 300]");
let r = import_with_report(&bytes, &ImportOptions::default()).unwrap();
let d = r.document;
assert!(close(d.artboards[0].rect, Rect::new(0.0, 0.0, 200.0, 300.0), 1e-9));
let l = leaves(&d);
assert_eq!(l.len(), 3);
// y-up PDF rect (10,10)-(60,40) → y-down (10,260)-(60,290).
assert!(close(l[0].geometric_bounds().unwrap(), Rect::new(10.0, 260.0, 60.0, 290.0), 1e-6), "{:?}", l[0].geometric_bounds());
assert_eq!(l[0].appearance.fill_paint().color().unwrap().to_hex(), "#0000ff");
assert_eq!(l[0].appearance.stroke_paint().color().unwrap().to_hex(), "#ff0000");
assert!((l[0].appearance.stroke_width() - 3.0).abs() < 1e-6);
// CMYK red-ish (0,1,1,0) → approximately red through the CMYK profile.
let [r_, g_, b_] = l[1].appearance.fill_paint().color().unwrap().to_rgb();
assert!(r_ > 0.8 && g_ < 0.3 && b_ < 0.3, "{r_} {g_} {b_}");
// Gray 0.5 and the `cm` translation.
assert_eq!(l[2].appearance.fill_paint().color().unwrap().to_hex(), "#808080");
assert!(close(l[2].geometric_bounds().unwrap(), Rect::new(150.0, 270.0, 190.0, 300.0), 1e-6));
}
#[test]
fn import_invalid_dash_array_strokes_solid() {
// A dash array with a negative value is invalid (PDF 32000-1 §8.4.3.6): the line is solid. A valid
// array next to it stays dashed.
let content = "0 0 1 RG 4 w [-5 3] 0 d 10 10 m 90 10 l S [6 2] 1 d 10 50 m 90 50 l S";
let d = import(&handmade_pdf(content, "[0 0 100 100]")).unwrap();
let l = leaves(&d);
assert_eq!(l.len(), 2);
let dash = |n: &Node| match &n.appearance.items[..] {
[.., AppearanceItem::Stroke(st)] => st.dash.clone(),
items => panic!("no stroke: {items:?}"),
};
assert_eq!(dash(l[0]), None);
assert_eq!(dash(l[1]).map(|d| d.pattern), Some(vec![6.0, 2.0]));
// And the exporter never writes an invalid array back.
let mut d2 = doc(100.0, 100.0);
let mut n = rect_node(Rect::new(10.0, 10.0, 90.0, 90.0), Color::rgb(1.0, 0.0, 0.0));
n.appearance = Appearance::basic(Paint::None, Paint::solid(Color::BLACK), 2.0);
if let Some(AppearanceItem::Stroke(st)) = n.appearance.items.last_mut() {
st.dash = Some(Dash { pattern: vec![-5.0, 3.0], offset: 0.0, align_corners: false });
}
add(&mut d2, n);
let s = uncompressed(&d2);
assert!(!s.contains("-5 3]") && !s.contains("[0 3]"), "invalid dash written:\n{s}");
}
#[test]
fn import_clip_from_handmade_pdf() {
let content = "q 0 0 50 50 re W n 1 0 0 rg 0 0 100 100 re f Q";
let d = import(&handmade_pdf(content, "[0 0 100 100]")).unwrap();
let mut clip_groups = 0;
d.walk(|n| {
if matches!(n.kind, NodeKind::Group { clip: true, .. }) {
clip_groups += 1;
assert!(close(n.geometric_bounds().unwrap(), Rect::new(0.0, 50.0, 50.0, 100.0), 1e-6));
}
});
assert_eq!(clip_groups, 1);
}
#[test]
fn import_max_pages_and_multi_page() {
let mut d = doc(200.0, 100.0);
d.artboards.push(Artboard {
id: 2,
name: "B".into(),
rect: Rect::new(300.0, 0.0, 400.0, 400.0),
show_center_mark: false,
show_cross_hairs: false,
});
add(&mut d, rect_node(Rect::new(10.0, 10.0, 50.0, 50.0), Color::BLACK));
add(&mut d, rect_node(Rect::new(310.0, 10.0, 350.0, 50.0), Color::BLACK));
let bytes = export(&d, &PdfOptions::default()).unwrap();
let all = import(&bytes).unwrap();
assert_eq!(all.artboards.len(), 2);
assert_eq!(all.layers.len(), 2);
assert!((all.artboards[1].rect.width() - 100.0).abs() < 1e-9 && (all.artboards[1].rect.height() - 400.0).abs() < 1e-9);
// The second page's rect lands at the same place relative to its artboard.
let second = leaves(&all)[1].geometric_bounds().unwrap();
let ab = all.artboards[1].rect;
assert!(close(second, Rect::new(ab.x0 + 10.0, 10.0, ab.x0 + 50.0, 50.0), 0.01), "{second:?}");
let one = import_with_report(&bytes, &ImportOptions { max_pages: Some(1), ..Default::default() }).unwrap();
assert_eq!(one.document.artboards.len(), 1);
assert_eq!(leaves(&one.document).len(), 1);
}
#[test]
fn import_rejects_garbage() {
assert!(matches!(import(b"not a pdf at all"), Err(PdfError::Parse(_)) | Err(PdfError::NoPages)));
}
/// Options with `settings` changed by `f`.
fn with(f: impl FnOnce(&mut PdfSettings)) -> PdfOptions {
let mut o = PdfOptions::default();
f(&mut o.settings);
o
}
#[test]
fn compatibility_levels() {
let mut d = doc(100.0, 100.0);
add(&mut d, rect_node(Rect::new(10.0, 10.0, 50.0, 50.0), Color::rgb(1.0, 0.0, 0.0)));
for (c, header) in [(Compatibility::Pdf14, "%PDF-1.4"), (Compatibility::Pdf16, "%PDF-1.6"), (Compatibility::Pdf20, "%PDF-2.0")] {
let b = export(&d, &with(|s| s.compatibility = c)).unwrap();
assert!(b.starts_with(header.as_bytes()), "{c:?}");
}
let a = export(&d, &with(|s| s.standard = Standard::PdfA2b)).unwrap();
assert!(String::from_utf8_lossy(&a).contains("pdfaid"), "PDF/A identification in XMP");
for x in [Standard::PdfX1a, Standard::PdfX3, Standard::PdfX4] {
assert!(matches!(export(&d, &with(|s| s.standard = x)), Err(PdfError::Unsupported(_))), "{x:?}");
}
// PDF/A-2b is a PDF 1.7 standard.
let e = export(&d, &with(|s| (s.standard, s.compatibility) = (Standard::PdfA2b, Compatibility::Pdf20)));
assert!(matches!(e, Err(PdfError::BadSetting(_))), "{e:?}");
}
#[test]
fn compress_option_changes_output() {
let mut d = doc(100.0, 100.0);
for i in 0..20 {
add(&mut d, rect_node(Rect::new(i as f64, i as f64, 50.0 + i as f64, 50.0), Color::BLACK));
}
let c = export(&d, &PdfOptions::default()).unwrap();
let u = export(&d, &PdfOptions::uncompressed()).unwrap();
assert!(u.len() > c.len());
assert!(String::from_utf8_lossy(&u).contains(" re") || String::from_utf8_lossy(&u).contains(" l"));
}
#[test]
fn stroke_alignment_and_arrowheads_export() {
let mut d = doc(200.0, 200.0);
let mut p = Node::path(
NodeId(0),
shapes::rectangle(Rect::new(20.0, 20.0, 120.0, 120.0)),
Appearance::basic(Paint::None, Paint::solid(Color::BLACK), 6.0),
);
p.appearance.stroke_mut().unwrap().align = vectorcraft_doc::StrokeAlign::Inside;
add(&mut d, p);
let mut line = Node::path(
NodeId(0),
shapes::line(Point::new(10.0, 150.0), Point::new(150.0, 150.0)),
Appearance::basic(Paint::None, Paint::solid(Color::BLACK), 2.0),
);
line.appearance.stroke_mut().unwrap().end_arrow = Some(vectorcraft_doc::Arrowhead::Triangle);
add(&mut d, line);
let r = export_with_report(&d, &PdfOptions::default()).unwrap();
let out = import(&r.bytes).unwrap();
let mut widths = vec![];
out.walk(|n| {
if let Some(AppearanceItem::Stroke(s)) = n.appearance.items.iter().find(|i| matches!(i, AppearanceItem::Stroke(_))) {
widths.push(s.width);
}
});
assert!(widths.iter().any(|w| (w - 12.0).abs() < 1e-3), "inside stroke doubled and clipped: {widths:?}");
// The arrowhead is an extra filled object.
assert!(leaves(&out).len() >= 3);
}
#[test]
fn creation_date_written() {
let d = doc(100.0, 100.0);
// 2024-02-29 12:34:56 UTC
let bytes = export(&d, &PdfOptions { created: Some(1_709_210_096), ..PdfOptions::uncompressed() }).unwrap();
assert!(String::from_utf8_lossy(&bytes).contains("D:20240229123456"));
}
#[test]
fn opacity_mask_exports_as_luminosity_soft_mask() {
let mut d = doc(100.0, 100.0);
let mut n = rect_node(Rect::new(10.0, 10.0, 90.0, 90.0), Color::rgb(1.0, 0.0, 0.0));
let art = rect_node(Rect::new(10.0, 10.0, 50.0, 90.0), Color::WHITE);
n.mask = Some(Box::new(vectorcraft_doc::OpacityMask::new(art, true)));
add(&mut d, n);
let bytes = export(&d, &PdfOptions::uncompressed()).unwrap();
let text = String::from_utf8_lossy(&bytes);
assert!(text.contains("/SMask"), "soft mask in an ExtGState");
assert!(text.contains("/Luminosity"));
}