Files
vectorcraft/crates/engine/src/cmd/fonts.rs
T
dotCooCoo 1c30cbf88c Print: Print and Print Preview warn when type prints in the fallback font
PDF, EPS, EMF/WMF and raster exports, and SVG exports that outline or
embed fonts, warn when type is set in a font family that isn't
available, but file.print and print.preview gave no such warning. A job
in a missing family printed in Source Sans 3 with no warning, and the
Print dialog's Summary showed none.

Both commands now add the exports' warning for the type that prints:
visible type that fits its frame or path, on the layers that Print
Layers picks, where what it paints (its effects applied) lands on the
paper of an artboard or tile that prints, inside its clipping paths.
The type in the symbols, inline graphics, patterns, scatter brushes,
opacity masks and placed documents of the art that prints counts too.
file.print reads the fonts before raster effects and Print as Bitmap
turn type into images, for PDF and PostScript output.

Docs: docs/mcp.md (Print), docs/target-app-parity.md (Fonts).
2026-10-16 02:26:13 +07:00

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//! Type → Find Font: the fonts a document uses (flagging missing ones), replacing one font with
//! another everywhere or in the selection, and selecting the text that uses a font. Also the fonts
//! available (the bundled and installed ones) and rescanning the installed fonts.
use std::collections::{BTreeMap, BTreeSet};
use std::sync::Arc;
use serde_json::{Value, json};
use vectorcraft_color::Paint;
use vectorcraft_doc::{AppearanceItem, Document, Node, NodeId, NodeKind, TextKind, TextRun};
use vectorcraft_geom::Rect;
use super::typecmd::refresh_bounds;
use super::*;
pub fn specs() -> Vec<CommandSpec> {
vec![
cmd!(
query "text.fonts",
"Fonts in Document",
[],
None,
"{selectionOnly?} → [{family, style, runs, objects, missing, status: exact|substitute|missing, resolved: {family, style}, missingGlyphs, version?: the installed version the type names (when it names one)}] sorted by name. A font is found by any of its names (ヒラギノ角ゴシック = Hiragino Sans) among the loaded and installed fonts; substitute: the family is there but not the style (resolved names the stand-in); missing: the family is unknown (the fallback family stands in); missingGlyphs: characters of its text the resolved font lacks (drawn by a fallback font)",
has_doc,
fonts
),
cmd!(
"text.replaceFont",
"Replace Font",
[],
None,
"{from: {family, style?}, to: {family (any of its names; stored as the font's own family name), style?}, selectionOnly?} (style omitted: every style of the family / keep the closest style) → {runs}",
has_doc,
replace
),
cmd!(
"select.font",
"Select Text by Font",
[],
None,
"{family, style?} select the text objects using the font → {count}",
has_doc,
select_font
),
cmd!(
query "text.fontList",
"Font List",
[],
None,
"{family?} → {families: [names]} sorted: the bundled fonts, fonts added and the fonts installed on the system (none on the web), each the family's English (canonical) name for `text.setStyle` and documents (without the system's hidden families, whose names start with a dot; they still resolve by name). Preferences › Type › Show Font Names in English only changes the UI menu labels, not this list; with family: {family, styles: [names]} (upright styles by weight, then italics; an error when the family isn't available)",
always,
font_list
),
cmd!(
"text.rescanFonts",
"Refresh Font List",
[],
None,
"{} scan the system font folders again, for fonts installed or removed since the app started; text in a font that became available redraws in it (no fonts are installed on the web) → {families, faces} (families listed, installed faces found)",
always,
rescan
),
]
}
/// Text objects in scope: the selection's (and their descendants') or the whole document's.
fn scope(s: &Session, selection_only: bool) -> Result<Vec<NodeId>> {
let st = s.doc()?;
let mut v = vec![];
let mut add = |n: &vectorcraft_doc::Node| {
n.walk(&mut |c| {
if matches!(c.kind, NodeKind::Text(_)) && !v.contains(&c.id) {
v.push(c.id);
}
})
};
if selection_only {
for id in &st.selection.objects {
if let Some(n) = st.doc.node(*id) {
add(n);
}
}
} else {
for l in &st.doc.layers {
add(l);
}
}
Ok(v)
}
/// A font as type names it: family, style and, when it names one, the installed version.
pub(super) type UsedFont = (String, String, Option<String>);
/// How a font is named in reports: family and style, then the version the type names, if any.
pub(super) fn font_label((family, style, version): &UsedFont) -> String {
match version {
Some(v) => format!("{family} {style} ({v})"),
None => format!("{family} {style}"),
}
}
/// The fonts (family, style, version) of the type in the layers and symbols of `d`.
pub(super) fn used_fonts(d: &Document) -> BTreeSet<UsedFont> {
let mut fonts = BTreeSet::new();
let mut add = |n: &Node| {
if let NodeKind::Text(t) = &n.kind {
fonts.extend(t.runs.iter().map(|r| (r.style.font_family.clone(), r.style.font_style.clone(), r.style.font_version.clone())));
}
};
d.walk(&mut add);
for s in &d.symbols {
s.art.walk(&mut add);
}
fonts
}
/// The fonts (family, style, version) of the type of `d` that prints on pages showing `areas`
/// (document space): visible type on `layers` (the layers that print) but not on a template layer
/// (of area type and type on a path that don't fit, the runs that their layout draws),
/// where what it paints ([`vectorcraft_render::painted_bounds`], its effects applied) meets an area
/// inside the clipping paths around it, the type in the opacity masks and patterns of the objects
/// that print and in the pieces their brushes draw, and the type of the symbols that their
/// instances and inline graphics show.
/// The objects of a blend, envelope, repeat or compound path, or of a layer or group with effects,
/// fills or strokes of its own, are taken with it when what it paints meets an area, and so is the
/// art of a placed document (`d` as [`Document::with_placed_art`] gives it, for that art's
/// resources).
pub(super) fn printed_fonts(d: &Document, layers: &[Arc<Node>], areas: &[Rect]) -> BTreeSet<UsedFont> {
let mut walk = Printed { d, fonts: BTreeSet::new(), symbols: BTreeSet::new(), patterns: BTreeSet::new() };
for l in layers {
walk.node(l, Some(areas));
}
walk.fonts
}
/// The walk of [`printed_fonts`].
struct Printed<'a> {
d: &'a Document,
fonts: BTreeSet<UsedFont>,
/// The symbols and patterns whose art was walked.
symbols: BTreeSet<String>,
patterns: BTreeSet<String>,
}
impl Printed<'_> {
/// Adds the fonts of `n` and its descendants that print: those whose bounds meet one of `areas`,
/// or with `None` (in the art of a symbol, opacity mask, pattern or placed document, in brush
/// pieces, or in a live object) all of them but those outside the clipping path of a clip group.
fn node(&mut self, n: &Node, areas: Option<&[Rect]>) {
if !n.visible || matches!(n.kind, NodeKind::Layer { template: true, .. }) {
return;
}
// A layer or group with effects, fills or strokes of its own prints where they paint (moved,
// shadowed…), drawn from its members' shapes.
let moved = vectorcraft_render::effects::has_container_appearance(n);
let open = !moved && matches!(n.kind, NodeKind::Layer { clip: false, .. } | NodeKind::Group { clip: false, .. });
if let Some(a) = areas
&& !open
&& !self.meets(n, a)
{
return;
}
// The art that its opacity mask, pattern paints and brushed strokes draw.
let mask = n.extras().mask.as_deref().filter(|m| !m.disabled);
let runs = match &n.kind {
NodeKind::Text(t) => drawn_runs(t),
_ => vec![],
};
let items: Vec<&AppearanceItem> =
n.appearance.items.iter().filter(|i| i.visible() && !matches!(i, AppearanceItem::Stroke(s) if s.width <= 0.0)).collect();
let patterns: Vec<&str> = items
.iter()
.map(|i| i.paint())
.chain(runs.iter().flat_map(|r| [Some(&r.style.fill), (r.style.stroke_width > 0.0).then_some(&r.style.stroke)]).flatten())
.filter_map(|p| match p {
Paint::Pattern { pattern, .. } => Some(pattern.as_str()),
_ => None,
})
.collect();
let brushed = vectorcraft_brush::has_brush(n);
if (mask.is_some() || !patterns.is_empty() || brushed) && areas.is_none_or(|a| !open || self.meets(n, a)) {
if let Some(m) = mask {
self.node(&m.art, None);
}
let d = self.d;
for name in patterns {
if self.patterns.insert(name.to_string())
&& let Some(p) = d.pattern(name)
{
for art in &p.art {
self.node(art, None);
}
}
}
// The pieces its brushes draw along the path (art and pattern brushes leave type out).
if brushed {
for piece in vectorcraft_brush::node_pieces(d, n).unwrap_or_default() {
self.node(&piece, None);
}
}
}
match &n.kind {
NodeKind::Text(_) => {
for r in runs {
self.fonts.insert((r.style.font_family.clone(), r.style.font_style.clone(), r.style.font_version.clone()));
// Inline graphics draw their symbols' art.
if let Some(art) = &r.inline {
self.symbol(&art.symbol);
}
}
}
NodeKind::SymbolInstance { symbol, .. } => self.symbol(symbol),
NodeKind::PlacedDocument(p) => {
for art in p.art(n) {
self.node(&art, None);
}
}
NodeKind::Layer { children, clip, .. } | NodeKind::Group { children, clip } if !moved => {
// Each object prints where it lies, inside the clipping path of a clip group.
let clipped = match (clip, areas) {
(false, _) => None,
(true, Some(a)) => Some(self.clip(n, a)),
(true, None) => vectorcraft_render::painted_bounds(self.d, n).map(|c| vec![c]),
};
for c in children {
self.node(c, clipped.as_deref().or(areas));
}
}
_ => {
for c in n.children().map(Vec::as_slice).unwrap_or_default() {
self.node(c, None);
}
}
}
}
/// Adds the fonts of symbol `name`'s art, the first time it is shown.
fn symbol(&mut self, name: &str) {
let d = self.d;
if self.symbols.insert(name.to_string())
&& let Some(s) = d.symbols.iter().find(|s| s.name == name)
{
self.node(&s.art, None);
}
}
/// Whether what `n` paints, its effects applied, meets one of `areas`.
fn meets(&self, n: &Node, areas: &[Rect]) -> bool {
vectorcraft_render::painted_bounds(self.d, n).is_some_and(|b| areas.iter().any(|r| b.intersect(*r).area() > 0.0 || r.contains_rect(b)))
}
/// The parts of `areas` inside the bounds of clip group `n` (its clipping path's).
fn clip(&self, n: &Node, areas: &[Rect]) -> Vec<Rect> {
let Some(c) = vectorcraft_render::painted_bounds(self.d, n) else { return areas.to_vec() };
areas.iter().filter(|r| c.intersect(**r).area() > 0.0 || r.contains_rect(c)).map(|r| r.intersect(c)).collect()
}
}
/// The runs of `t` that print: all of them, or of area type and type on a path that don't fit, the
/// runs that their layout draws glyphs or inline graphics of.
fn drawn_runs(t: &vectorcraft_doc::TextObject) -> Vec<&TextRun> {
let drawn: Option<BTreeSet<usize>> = (!matches!(t.kind, TextKind::Point))
.then(|| vectorcraft_text::layout(vectorcraft_text::FontDb::global(), t))
.filter(|lay| lay.overflow)
.map(|lay| lay.glyphs.iter().map(|g| g.run).chain(lay.inlines.iter().map(|i| i.run)).collect());
t.runs.iter().enumerate().filter(|(i, _)| drawn.as_ref().is_none_or(|d| d.contains(i))).map(|(_, r)| r).collect()
}
/// What an export that draws type (as outlines, embedded fonts or pixels) says when `d` uses font
/// families that aren't available: their type is drawn in the fallback font, not the font it names.
pub(super) fn substitution_warning(d: &Document) -> Option<String> {
substitution_warning_of(used_fonts(d))
}
/// [`substitution_warning`] for type set in `fonts`.
pub(super) fn substitution_warning_of(fonts: BTreeSet<UsedFont>) -> Option<String> {
let db = vectorcraft_text::FontDb::global();
let mut missing: Vec<String> = fonts
.into_iter()
.filter(|(family, style, _)| db.resolve(family, style).is_none_or(|(_, m)| m == vectorcraft_text::FontMatch::Missing))
.map(|(family, _, _)| family)
.collect();
// Sorted by family: its styles and versions are neighbours.
missing.dedup();
(!missing.is_empty()).then(|| {
format!(
"fonts that aren't available were written in the fallback font, {}: {} (install them, or replace them with Find Font)",
vectorcraft_text::FALLBACK_FAMILY,
missing.join(", ")
)
})
}
fn text(d: &Document, id: NodeId) -> Option<&vectorcraft_doc::TextObject> {
match d.node(id).map(|n| &n.kind) {
Some(NodeKind::Text(t)) => Some(t),
_ => None,
}
}
fn fonts(s: &mut Session, p: &Value) -> Result<Value> {
let ids = scope(s, bool_or(p, "selectionOnly", false))?;
let d = &s.doc()?.doc;
let db = vectorcraft_text::FontDb::global();
let mut found: BTreeMap<UsedFont, (usize, Vec<NodeId>, String)> = BTreeMap::new();
for id in ids {
for r in text(d, id).map(|t| t.runs.as_slice()).unwrap_or_default() {
let e = found.entry((r.style.font_family.clone(), r.style.font_style.clone(), r.style.font_version.clone())).or_default();
e.0 += 1;
e.2.push_str(&r.text);
if !e.1.contains(&id) {
e.1.push(id);
}
}
}
let list: Vec<Value> = found
.into_iter()
.map(|((family, style, version), (runs, objects, chars))| {
// The face the type is set in: the version it names when that one is installed.
let resolved = db.resolve(&family, &style).map(|(f, m)| (db.face_version(&family, &style, version.as_deref()).unwrap_or(f), m));
let status = resolved.as_ref().map(|(_, m)| *m).unwrap_or(vectorcraft_text::FontMatch::Missing);
let mut lacking: Vec<char> = chars.chars().filter(|c| !c.is_whitespace() && !c.is_control()).collect();
lacking.sort_unstable();
lacking.dedup();
lacking.retain(|c| !resolved.as_ref().is_some_and(|(f, _)| f.covers(*c)));
let mut row = json!({
"family": family, "style": style, "runs": runs, "objects": objects.len(),
"missing": status == vectorcraft_text::FontMatch::Missing,
"status": status.as_str(),
"resolved": resolved.as_ref().map(|(f, _)| json!({ "family": f.family, "style": f.style })),
"missingGlyphs": lacking.len(),
});
if let Some(v) = version {
row["version"] = json!(v);
}
row
})
.collect();
Ok(json!(list))
}
fn font_param(p: &Value, k: &str, c: &str) -> Result<(String, Option<String>)> {
let v = p.get(k).ok_or_else(|| bad(c, format!("missing `{k}`")))?;
let family =
v.get("family").and_then(Value::as_str).filter(|f| !f.trim().is_empty()).ok_or_else(|| bad(c, format!("`{k}.family` is required")))?;
Ok((family.to_string(), v.get("style").and_then(Value::as_str).map(str::to_string)))
}
fn replace(s: &mut Session, p: &Value) -> Result<Value> {
const C: &str = "text.replaceFont";
let (ff, fs) = font_param(p, "from", C)?;
let (tf, ts) = font_param(p, "to", C)?;
let db = vectorcraft_text::FontDb::global();
// Any name of the family (ヒラギノ角ゴシック) is stored as its own name (Hiragino Sans).
let tf = match db.resolve(&tf, ts.as_deref().unwrap_or("Regular")) {
Some((f, m)) if m != vectorcraft_text::FontMatch::Missing => f.family.clone(),
_ => return Err(bad(C, format!("font family `{tf}` is not available"))),
};
let ids = scope(s, bool_or(p, "selectionOnly", false))?;
let matches = |st: &vectorcraft_doc::CharStyle| {
st.font_family.eq_ignore_ascii_case(&ff) && fs.as_ref().is_none_or(|x| st.font_style.eq_ignore_ascii_case(x))
};
let n = s.edit("Replace Font", |d, _| {
let mut n = 0;
for id in &ids {
let Some(NodeKind::Text(t)) = d.node_mut(*id).map(|n| &mut n.kind) else { continue };
let mut changed = false;
for r in &mut t.runs {
if matches(&r.style) {
// An explicit style, else the closest the new family has to the old one.
let style = ts
.clone()
.or_else(|| db.face(&tf, &r.style.font_style).map(|f| f.style.clone()))
.unwrap_or_else(|| r.style.font_style.clone());
r.style.font_family = tf.clone();
r.style.font_style = style;
// Another font: none of the old one's versions.
r.style.font_version = None;
changed = true;
n += 1;
}
}
if changed {
vectorcraft_text::edit::normalize(&mut t.runs);
refresh_bounds(t);
}
}
Ok(n)
})?;
Ok(json!({ "runs": n }))
}
fn select_font(s: &mut Session, p: &Value) -> Result<Value> {
let family = str_param(p, "family").ok_or_else(|| bad("select.font", "missing `family`"))?.to_string();
let style = str_param(p, "style").map(str::to_string);
let ids = scope(s, false)?;
let d = &s.doc()?.doc;
let hits: Vec<NodeId> = ids
.into_iter()
.filter(|id| {
text(d, *id).is_some_and(|t| {
t.runs.iter().any(|r| {
r.style.font_family.eq_ignore_ascii_case(&family) && style.as_ref().is_none_or(|x| r.style.font_style.eq_ignore_ascii_case(x))
})
})
})
.collect();
let n = hits.len();
s.select(|_, sel| sel.set(hits))?;
Ok(json!({ "count": n }))
}
fn font_list(_: &mut Session, p: &Value) -> Result<Value> {
let db = vectorcraft_text::FontDb::global();
match str_param(p, "family") {
Some(family) => {
if !db.has_family(family) {
return Err(bad("text.fontList", format!("font family `{family}` is not available")));
}
// The name as the font spells it.
let name = db.family_list().iter().find(|f| f.eq_ignore_ascii_case(family)).cloned().unwrap_or_else(|| family.to_string());
Ok(json!({ "family": name, "styles": db.styles(family) }))
}
None => Ok(json!({ "families": *db.menu_family_list() })),
}
}
pub(crate) fn rescan(s: &mut Session, _: &Value) -> Result<Value> {
let db = vectorcraft_text::FontDb::global();
#[cfg(not(target_arch = "wasm32"))]
let faces = db.load_system_fonts();
#[cfg(target_arch = "wasm32")]
let faces = 0;
// The canvas redraws type in the fonts available now (renderers lay it out again when the
// fonts change), and the bounds follow; that isn't an edit to save.
for d in &mut s.docs {
let mut texts = vec![];
d.doc.walk(|n| {
if matches!(n.kind, NodeKind::Text(_)) {
texts.push(n.id);
}
});
if !texts.is_empty() {
let saved = !d.is_dirty();
let doc = std::sync::Arc::make_mut(&mut d.doc);
for id in texts {
if let Some(NodeKind::Text(t)) = doc.node_mut(id).map(|n| &mut n.kind) {
refresh_bounds(t);
}
}
if saved {
d.mark_saved();
}
}
d.revision += 1;
}
Ok(json!({ "families": db.menu_family_list().len(), "faces": faces }))
}
#[cfg(test)]
mod tests {
use super::*;
/// Type › Options › Additional Fonts Folder (#683) adds its folder to the system font scan,
/// trimmed; clearing it takes the folder out again.
#[test]
fn the_additional_fonts_folder_joins_the_font_scan() {
let mut s = Session::new();
let dir = std::env::temp_dir().join("vectorcraft-fonts-folder-pref");
s.execute("prefs.set", &json!({"key": "fontsFolder", "value": format!(" {} ", dir.display())})).unwrap();
assert_eq!(vectorcraft_text::user_font_dirs(), std::slice::from_ref(&dir));
if !cfg!(target_arch = "wasm32") {
assert!(vectorcraft_text::system_font_dirs().contains(&dir));
}
s.execute("prefs.set", &json!({"key": "fontsFolder", "value": ""})).unwrap();
assert!(vectorcraft_text::user_font_dirs().is_empty() && !vectorcraft_text::system_font_dirs().contains(&dir));
}
#[test]
fn list_flag_missing_replace_and_select() {
let mut s = Session::new();
s.execute("file.new", &json!({"width": 200, "height": 200})).unwrap();
let a = s.execute("text.create", &json!({"x": 10, "y": 20, "text": "Serif", "font": "Source Serif 4"})).unwrap()["id"].as_u64().unwrap();
let b = s.execute("text.create", &json!({"x": 10, "y": 60, "text": "Gone", "font": "No Such Font Family"})).unwrap()["id"].as_u64().unwrap();
let list = s.execute("text.fonts", &json!({})).unwrap();
let missing: Vec<&str> = list.as_array().unwrap().iter().filter(|f| f["missing"] == true).map(|f| f["family"].as_str().unwrap()).collect();
assert_eq!(missing, ["No Such Font Family"]);
assert_eq!(s.execute("select.font", &json!({"family": "No Such Font Family"})).unwrap()["count"], 1);
assert_eq!(s.doc().unwrap().selection.objects, [NodeId(b)]);
let r = s.execute("text.replaceFont", &json!({"from": {"family": "No Such Font Family"}, "to": {"family": "Source Sans 3"}})).unwrap();
assert_eq!(r["runs"], 1);
let fams: Vec<String> =
s.execute("text.fonts", &json!({})).unwrap().as_array().unwrap().iter().map(|f| f["family"].as_str().unwrap().to_string()).collect();
assert_eq!(fams, ["Source Sans 3", "Source Serif 4"]);
assert!(s.execute("text.replaceFont", &json!({"from": {"family": "Source Serif 4"}, "to": {"family": "Nope"}})).is_err());
let _ = a;
}
}
#[cfg(test)]
mod open_tests {
use super::*;
#[test]
fn list_says_how_each_font_resolved() {
let mut s = Session::new();
s.execute("file.new", &json!({"width": 200, "height": 200})).unwrap();
// "Black Wide" is a style no Source Sans 3 has, bundled or installed, so it is always a
// substitute (the installed family can hold a real Black).
for (text, font, style) in
[("Exact", "Source Sans 3", "Semibold"), ("Closest", "Source Sans 3", "Black Wide"), ("Gone", "No Such Font Family", "Regular")]
{
s.execute("text.create", &json!({"x": 10, "y": 20, "text": text, "font": font, "style": style})).unwrap();
}
let list = s.execute("text.fonts", &json!({})).unwrap();
let rows: Vec<(String, String, String, String)> = list
.as_array()
.unwrap()
.iter()
.map(|f| {
(
f["style"].as_str().unwrap().into(),
f["status"].as_str().unwrap().into(),
f["resolved"]["family"].as_str().unwrap().into(),
f["resolved"]["style"].as_str().unwrap().into(),
)
})
.collect();
let row = |style: &str| rows.iter().find(|r| r.0 == style).cloned().unwrap();
assert_eq!(row("Semibold").1, "exact");
assert_eq!(row("Black Wide").1, "substitute", "{rows:?}");
assert_eq!(row("Black Wide").2, "Source Sans 3");
assert_eq!((row("Regular").1.as_str(), row("Regular").2.as_str()), ("missing", vectorcraft_text::FALLBACK_FAMILY));
s.execute("text.create", &json!({"x": 10, "y": 90, "text": "Ab 雅楽", "font": "Inter"})).unwrap();
let inter = s.execute("text.fonts", &json!({})).unwrap().as_array().unwrap().iter().find(|f| f["family"] == "Inter").cloned().unwrap();
assert_eq!(inter["missingGlyphs"], 2, "雅 and 楽 come from a fallback font: {inter}");
}
#[test]
fn opened_documents_have_exact_text_bounds() {
let mut s = Session::new();
s.execute("file.new", &json!({"width": 400, "height": 200})).unwrap();
let id = s.execute("text.create", &json!({"x": 10, "y": 60, "text": "WIDE TRACKED", "size": 40})).unwrap()["id"].as_u64().unwrap();
s.execute("text.setStyle", &json!({"tracking": 400})).unwrap();
let want = s.doc().unwrap().doc.node(NodeId(id)).unwrap().geometric_bounds().unwrap();
// Save and reopen: the cache isn't in the file, yet the bounds must match.
let bytes = vectorcraft_format::save(&s.doc().unwrap().doc, false);
let reopened = vectorcraft_format::load(&bytes).unwrap();
let mut t = Session::new();
t.add_document(reopened, None);
let got = t.doc().unwrap().doc.node(NodeId(id)).unwrap().geometric_bounds().unwrap();
assert!((got.width() - want.width()).abs() < 1e-6, "{got:?} vs {want:?}");
}
}
#[cfg(test)]
mod dirty_tests {
use super::*;
#[test]
fn selection_never_marks_modified_and_undo_to_saved_is_clean() {
let mut s = Session::new();
s.add_document(Document::new(100.0, 100.0), None);
let id = s.execute("shape.rectangle", &json!({"x": 0, "y": 0, "width": 10, "height": 10})).unwrap()["id"].clone();
s.doc_mut().unwrap().mark_saved();
s.execute("select.none", &json!({})).unwrap();
s.execute("select.set", &json!({"ids": [id]})).unwrap();
assert!(!s.doc().unwrap().is_dirty(), "selecting is not an edit");
s.execute("object.move", &json!({"dx": 5, "dy": 0})).unwrap();
assert!(s.doc().unwrap().is_dirty());
s.execute("edit.undo", &json!({})).unwrap();
assert!(!s.doc().unwrap().is_dirty(), "back to the saved state");
}
}