mirror of
https://github.com/storytold/deckcraft.git
synced 2026-10-27 12:07:02 -06:00
233 lines
11 KiB
Rust
233 lines
11 KiB
Rust
use std::sync::Arc;
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use super::*;
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use deckcraft_model::text::TextBody;
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fn deck(n: usize) -> Presentation {
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let mut p = deckcraft_model::defaults::new_presentation(None);
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let layout = p.slides[0].layout;
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while p.slides.len() < n {
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let s = deckcraft_model::defaults::new_slide(&mut p, layout);
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p.slides.push(Arc::new(s));
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}
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for (i, s) in p.slides.iter_mut().enumerate() {
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let s = Arc::make_mut(s);
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if let Some(sh) = s.shapes.first_mut() {
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sh.text = Some(TextBody::from_text(&format!("Slide title {i}")));
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}
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s.notes = TextBody::from_text("Speaker notes that wrap across the page width to test line breaking of long notes.");
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}
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p
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}
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fn opts(layout: PageLayout) -> PdfOptions {
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PdfOptions { layout, dpi: 48.0, ..Default::default() }
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}
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#[test]
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fn exports_slides_notes_and_handouts() {
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let p = deck(5);
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for layout in [PageLayout::Slides, PageLayout::Notes, PageLayout::Handouts { per_page: 3 }, PageLayout::Handouts { per_page: 6 }] {
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let bytes = export(&p, &opts(layout)).expect("export");
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assert!(bytes.starts_with(b"%PDF-"), "{layout:?}");
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assert!(bytes.len() > 1000);
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}
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}
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#[test]
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fn empty_range_is_an_error() {
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let p = deck(1);
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let o = PdfOptions { slides: Some(vec![7]), ..opts(PageLayout::Slides) };
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assert!(matches!(export(&p, &o), Err(PdfError::NoPages)));
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}
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#[test]
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fn hidden_slides_skipped_unless_asked() {
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let mut p = deck(2);
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Arc::make_mut(&mut p.slides[1]).hidden = true;
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let a = export(&p, &opts(PageLayout::Slides)).unwrap();
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let b = export(&p, &PdfOptions { include_hidden: true, ..opts(PageLayout::Slides) }).unwrap();
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assert!(b.len() > a.len());
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}
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#[test]
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fn handout_boxes_fit_the_paper() {
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for n in [1, 2, 3, 4, 6, 9] {
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let v = handout_boxes(n, (612.0, 792.0), 16.0 / 9.0);
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assert_eq!(v.len(), n as usize);
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for r in &v {
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assert!(r.x0 >= 0.0 && r.y0 >= 0.0 && r.x1 <= 612.0 && r.y1 <= 792.0, "{n}: {r:?}");
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assert!((r.width() / r.height() - 16.0 / 9.0).abs() < 1e-6);
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}
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for (i, a) in v.iter().enumerate() {
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for b in &v[i + 1..] {
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assert!(a.intersect(*b).area() <= 0.0, "{n}: overlap");
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}
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}
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}
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}
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/// Notes pages and handouts print on the chosen paper, landscape included, with every slide box
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/// on the page and room left for the notes.
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#[test]
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fn notes_and_handouts_fit_any_paper_and_orientation() {
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let p = deck(3);
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for (id, _, _) in PAPERS {
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for landscape in [false, true] {
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let paper = paper_size(id, landscape).expect("known paper");
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assert_eq!(paper.0 > paper.1, landscape, "{id}");
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let b = notes_slide_box(paper, 16.0 / 9.0);
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assert!(b.x0 >= 0.0 && b.x1 <= paper.0 && b.y1 <= paper.1 * 0.5, "{id} {landscape}: {b:?}");
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assert!((b.width() / b.height() - 16.0 / 9.0).abs() < 1e-6);
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for n in [1, 3, 6, 9] {
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for r in handout_boxes(n, paper, 16.0 / 9.0) {
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assert!(r.x0 >= 0.0 && r.y0 >= 0.0 && r.x1 <= paper.0 && r.y1 <= paper.1, "{id} {landscape} {n}: {r:?}");
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}
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}
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for layout in [PageLayout::Notes, PageLayout::Handouts { per_page: 6 }] {
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let bytes = export(&p, &PdfOptions { paper, ..opts(layout) }).expect("export");
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let text = String::from_utf8_lossy(&bytes);
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let media = format!("/MediaBox[0 0 {} {}]", fmt(paper.0), fmt(paper.1));
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assert!(text.contains(&media), "{id} {landscape} {layout:?}: no {media}");
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}
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}
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}
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assert_eq!(paper_size("bogus", false), None);
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}
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fn fmt(v: f64) -> String {
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let s = format!("{:.2}", v as f32);
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s.trim_end_matches('0').trim_end_matches('.').to_string()
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}
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fn ph(kind: deckcraft_model::PhType, x: f64, y: f64, w: f64, h: f64, text: &str) -> deckcraft_model::Shape {
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deckcraft_model::Shape {
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xfrm: Some(deckcraft_model::Xfrm::new(x, y, w, h)),
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ph: Some(deckcraft_model::Placeholder { kind, ..Default::default() }),
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text: Some(TextBody::from_text(text)),
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..Default::default()
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}
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}
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#[test]
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fn notes_pages_and_handouts_follow_their_masters() {
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use deckcraft_model::PhType;
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let mut p = deck(2);
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let paper = (612.0, 792.0);
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// No masters: the default layout (slide at the top, one-inch side margins).
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let (slide, notes) = notes_frames(&p, paper);
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assert_eq!((slide.x0, slide.y0), (72.0, 54.0));
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assert!(notes.y0 > slide.y1);
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// A notes master moves the slide and the notes, scaled from the notes size to the paper.
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p.notes_size = deckcraft_model::Size::new(612.0, 792.0);
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p.notes_master = Some(Arc::new(deckcraft_model::Master {
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shapes: vec![
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ph(PhType::SlideImage, 100.0, 400.0, 412.0, 300.0, ""),
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ph(PhType::Body, 50.0, 50.0, 500.0, 300.0, ""),
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ph(PhType::Header, 0.0, 0.0, 300.0, 30.0, "Q3 review"),
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ph(PhType::Date, 312.0, 0.0, 300.0, 30.0, ""),
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ph(PhType::SlideNum, 312.0, 760.0, 300.0, 30.0, "<#>"),
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],
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..Default::default()
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}));
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let (slide, notes) = notes_frames(&p, paper);
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assert!(slide.y0 >= 400.0 && slide.y1 <= 700.0 + 1e-6 && slide.x0 >= 100.0 - 1e-6, "{slide:?}");
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assert!(((slide.width() / slide.height()) - p.slide_size.width / p.slide_size.height).abs() < 1e-6);
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assert_eq!(notes, Rect::new(50.0, 50.0, 550.0, 350.0));
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let texts = master_texts(&p, p.notes_master.as_deref().unwrap(), paper, 7);
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let got: Vec<(&str, bool)> = texts.iter().map(|(_, t, r, _)| (t.as_str(), *r)).collect();
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assert_eq!(got, [("Q3 review", false), ("7", true)], "empty date left out, number is the page");
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// Notes pages and handouts export with the masters.
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for layout in [PageLayout::Notes, PageLayout::Handouts { per_page: 3 }] {
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if layout != PageLayout::Notes {
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p.handout_master = Some(Arc::new(deckcraft_model::Master {
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shapes: vec![ph(PhType::Footer, 0.0, 760.0, 300.0, 30.0, "Confidential")],
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..Default::default()
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}));
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}
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let bytes = export(&p, &PdfOptions { layout, ..Default::default() }).unwrap();
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assert!(bytes.starts_with(b"%PDF"));
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}
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}
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#[test]
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fn master_text_keeps_its_own_formatting() {
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use deckcraft_model::text::RunProps;
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use deckcraft_model::{ColorRef, Fill, PhType, Rgba};
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let mut p = deck(1);
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p.notes_size = deckcraft_model::Size::new(612.0, 792.0);
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let mut header = ph(PhType::Header, 0.0, 0.0, 300.0, 30.0, "Board pack");
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if let Some(run) = header.text.as_mut().and_then(|t| t.paragraphs.first_mut()).and_then(|p| p.runs.first_mut()) {
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run.props = RunProps {
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size: Some(20.0),
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bold: Some(true),
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fill: Some(Fill::solid(ColorRef::rgb(Rgba::rgb(200, 0, 0)))),
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font: Some("+mj-lt".into()),
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..Default::default()
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};
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}
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let m = deckcraft_model::Master { shapes: vec![header, ph(PhType::Footer, 0.0, 760.0, 300.0, 30.0, "plain")], ..Default::default() };
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let texts = master_texts(&p, &m, (612.0, 792.0), 1);
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let st = &texts[0].3;
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assert_eq!((st.size, st.bold, st.italic, st.color), (20.0, true, false, Rgba::rgb(200, 0, 0)));
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assert_eq!(st.family, m.theme.font("+mj-lt"), "theme font resolved");
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// Unstyled text falls back through the master's styles; sizes scale with the paper.
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let half = master_texts(&p, &m, (306.0, 396.0), 1);
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assert!((half[0].3.size - 10.0).abs() < 1e-9);
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assert!(texts[1].3.size > 0.0 && !texts[1].3.bold);
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p.notes_master = Some(Arc::new(m));
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assert!(export(&p, &PdfOptions { layout: PageLayout::Notes, ..Default::default() }).unwrap().starts_with(b"%PDF"));
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}
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#[test]
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fn master_text_wraps_and_keeps_mixed_formatting() {
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use deckcraft_model::text::{Run, RunProps};
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use deckcraft_model::{PhType, Rgba};
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let mut p = deck(1);
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p.notes_size = deckcraft_model::Size::new(612.0, 792.0);
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let mut header = ph(PhType::Header, 0.0, 0.0, 200.0, 80.0, "");
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if let Some(para) = header.text.as_mut().and_then(|t| t.paragraphs.first_mut()) {
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para.runs = vec![
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Run::with("Quarterly board pack ", RunProps { size: Some(18.0), bold: Some(true), ..Default::default() }),
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Run::with(
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"for internal circulation only, please do not forward",
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RunProps {
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size: Some(9.0),
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fill: Some(deckcraft_model::Fill::solid(deckcraft_model::ColorRef::rgb(Rgba::rgb(200, 0, 0)))),
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..Default::default()
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},
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),
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];
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}
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let m = deckcraft_model::Master { shapes: vec![header, ph(PhType::SlideNum, 312.0, 760.0, 300.0, 30.0, "")], ..Default::default() };
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let placed = deckcraft_render::place_master_texts(&p, &m, 4);
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assert_eq!(placed.len(), 2, "header and page number");
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let h = &placed[0].layout;
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assert!(h.lines.len() >= 2, "wraps inside its 200 pt placeholder: {} lines", h.lines.len());
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let sizes: Vec<f64> = h.runs.iter().filter(|r| !r.glyphs.is_empty()).map(|r| r.size).collect();
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assert!(sizes.iter().any(|s| (*s - 18.0).abs() < 0.5) && sizes.iter().any(|s| (*s - 9.0).abs() < 0.5), "{sizes:?}");
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assert!(h.runs.iter().any(|r| r.color == Rgba::rgb(200, 0, 0)));
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let num: String = placed[1].body.text();
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assert_eq!(num, "4");
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// The same layout as pieces for the Notes Page view: on more than one line, scaled to paper.
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let pieces = master_text_pieces(&p, &m, (306.0, 396.0), 4);
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let mut ys: Vec<i64> = pieces.iter().map(|x| x.at.1.round() as i64).collect();
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ys.dedup();
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assert!(ys.len() >= 3, "two header lines and the number: {pieces:?}");
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assert!(pieces.iter().any(|x| x.bold && (x.size - 9.0).abs() < 0.5), "18 pt bold at half size");
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assert!(pieces.iter().any(|x| x.color == Rgba::rgb(200, 0, 0) && !x.bold));
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assert!(pieces.iter().any(|x| x.text == "4"));
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p.notes_master = Some(Arc::new(m));
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assert!(export(&p, &PdfOptions { layout: PageLayout::Notes, ..Default::default() }).unwrap().starts_with(b"%PDF"));
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}
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#[test]
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fn glyph_ranges_follow_shaping_clusters() {
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// "fl" ligature: its glyph maps to both characters, the rest stay one to one (#164).
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assert_eq!(glyph_text_ranges("flash", (0, 5), &[(0, 'f'), (2, 'a'), (3, 's'), (4, 'h')], 4), vec![0..2, 2..3, 3..4, 4..5]);
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// Two glyphs in one cluster (base and mark) share its range.
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assert_eq!(glyph_text_ranges("ab", (0, 2), &[(0, 'a'), (0, 'a'), (1, 'b')], 3), vec![0..1, 0..1, 1..2]);
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// A run starting mid-paragraph, multi-byte characters in visual (right-to-left) order.
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assert_eq!(glyph_text_ranges("αβγ", (3, 6), &[(5, 'γ'), (4, 'β'), (3, 'α')], 3), vec![4..6, 2..4, 0..2]);
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}
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