PDF import: an editor's .ai keeps its RGB numbers, and a fill faded or masked by its group keeps its stroke apart
This commit is contained in:
EricKuck
bflatastic
parent
04bc43c802
commit
34b3c59a03
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@ -221,7 +221,7 @@ pub fn load_with(name: &str, bytes: &[u8], opts: &LoadOptions) -> Result<Loaded>
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.then(|| vectorcraft_pdf::editing_with(bytes, opts.password.as_deref()))
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.flatten()
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.map(|e| (e.intact, move || Some(e.data)));
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restore_or_import(editing, || match super::pdfimport::import(bytes, opts) {
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restore_or_import(editing, || match super::pdfimport::import(bytes, opts, format.id != "pdf") {
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Ok(r) => {
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// Pages of text alone: the editing copy alone where it reads, as for a file
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// saved without its PDF part (#1387: else the page, which is the art).
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@ -99,7 +99,7 @@ impl LoadOptions {
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/// The PDF import options: `pages` resolved against the file's page count. A PDF-compatible
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/// `.ai`, or a PDF saved with its editing data, asked for its crop box opens on its trim boxes,
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/// its editor's artboards, with the bleed round them (its crop box takes the bleed in).
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fn import_options(&self, bytes: &[u8]) -> Result<ImportOptions> {
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fn import_options(&self, bytes: &[u8], editor_document: bool) -> Result<ImportOptions> {
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let pages = match &self.pages {
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None => None,
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Some(range) => {
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@ -114,6 +114,7 @@ impl LoadOptions {
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password: self.password.clone(),
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text_as: self.text_as,
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layers: self.layers,
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uncalibrated_rgb: editor_document,
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..Default::default()
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})
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}
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@ -131,8 +132,9 @@ fn choice<T: Choice + Default>(cmd: &str, key: &str, id: Option<&str>) -> Result
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}
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/// Import the pages `o` pick → the document, import notes and what else the import tells.
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pub(super) fn import(bytes: &[u8], o: &LoadOptions) -> Result<vectorcraft_pdf::ImportReport> {
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vectorcraft_pdf::import_with_report(bytes, &o.import_options(bytes)?).map_err(err)
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/// `editor_document`: a `.ai` file.
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pub(super) fn import(bytes: &[u8], o: &LoadOptions, editor_document: bool) -> Result<vectorcraft_pdf::ImportReport> {
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vectorcraft_pdf::import_with_report(bytes, &o.import_options(bytes, editor_document)?).map_err(err)
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}
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/// Page `page` (0-based) of a PDF as a document of one artboard (its `o.crop` box) and one
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@ -194,6 +194,7 @@ pub fn import_with_report(bytes: &[u8], opts: &ImportOptions) -> Result<ImportRe
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b.unsure = route && ocgs.list.iter().any(|g| (all_on && !g.on) || !g.print);
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b.taken = taken;
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b.warnings = notes;
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b.colors.uncalibrated_rgb = opts.uncalibrated_rgb && picked.iter().filter_map(|&n| pages.get(n)).any(crate::pages::has_private_data);
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let cache = InterpreterCache::new();
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let mut x = 0.0;
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// Every page only text over private data: a file saved without its PDF part shows a notice
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@ -1673,9 +1674,8 @@ impl<'a> Device<'a> for Builder<'_> {
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PathDrawMode::Stroke(props) => {
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let mut st = stroke_layer(paint, opacity, props, mean_scale(transform));
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st.overprint = overprint;
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// Fill-then-stroke of the same path (the `B` operator, or a fill and a stroke of
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// the outline as Illustrator writes an object) becomes one object: a path with a
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// fill and a live stroke.
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// Fill-then-stroke of the same path (the `B` operator, or a fill and then a stroke
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// of the same outline) becomes one object: a path with a fill and a live stroke.
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let blend = self.blend;
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let fill = self.last_fill.take();
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let last = match self.mask {
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@ -1687,6 +1687,10 @@ impl<'a> Device<'a> for Builder<'_> {
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&& let Some((id, outline)) = fill
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&& last.id == id
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&& last.blend == blend
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// Opacity or a mask of its own came from a transparency group the fill was
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// drawn in and this stroke wasn't.
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&& last.opacity == 1.0
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&& last.extras().mask.is_none()
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&& last.appearance.stroke().is_none()
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&& same_outline(&outline, &bp)
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{
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@ -90,6 +90,8 @@ struct Ink {
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pub(crate) enum Space {
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Gray,
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Rgb,
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/// An `ICCBased` RGB space whose numbers are taken as they are (see `Colors::uncalibrated_rgb`).
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IccRgb,
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Cmyk,
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/// A Separation or DeviceN space (index into `Colors::spaces`).
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Inks(usize),
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@ -119,6 +121,10 @@ pub(crate) struct Colors<'p> {
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rgb: usize,
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/// A DeviceN colour mixed several inks (imported as RGB).
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pub mixed: bool,
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/// RGB colours in an `ICCBased` space keep their numbers instead of going through the profile:
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/// on for an editor's own document (`.ai`), so its art keeps the RGB numbers the file has; off
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/// for PDFs, whose profiles stand.
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pub uncalibrated_rgb: bool,
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}
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/// `v`'s `Debug` text, or `None` past [`DEBUG_LIMIT`] (formatting stops there).
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@ -152,7 +158,7 @@ pub(crate) fn split_color(t: &str) -> Option<(&str, Vec<f32>)> {
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impl<'p> Colors<'p> {
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pub fn new(pdf: &'p Pdf, taken: Vec<String>) -> Self {
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Self { pdf, taken, scanned: false, spaces: vec![], inks: vec![], cmyk: 0, rgb: 0, mixed: false }
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Self { pdf, taken, scanned: false, spaces: vec![], inks: vec![], cmyk: 0, rgb: 0, mixed: false, uncalibrated_rgb: false }
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}
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/// A solid colour in its own model; `None`: use its RGB.
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@ -178,7 +184,7 @@ impl<'p> Colors<'p> {
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fn count(&mut self, space: Space) {
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match space {
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Space::Cmyk => self.cmyk += 1,
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Space::Rgb | Space::Other => self.rgb += 1,
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Space::Rgb | Space::IccRgb | Space::Other => self.rgb += 1,
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Space::Gray | Space::Inks(_) => {}
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}
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}
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@ -200,6 +206,7 @@ impl<'p> Colors<'p> {
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match (kind, n) {
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("DeviceGray" | "ICCBased", 1) => Space::Gray,
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("DeviceRgb", 3) => Space::Rgb,
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("ICCBased", 3) if self.uncalibrated_rgb => Space::IccRgb,
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("DeviceCmyk" | "ICCBased", 4) => Space::Cmyk,
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("Separation", 1) | ("DeviceN", _) => {
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self.scan();
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@ -223,6 +230,7 @@ impl<'p> Colors<'p> {
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match space {
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Space::Gray => Some(Native::plain(Color::gray(round3(1.0 - c(0))))),
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Space::Cmyk => Some(Native::plain(Color::cmyk(c(0), c(1), c(2), c(3)))),
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Space::IccRgb => Some(Native::plain(Color::rgb(c(0), c(1), c(2)))),
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Space::Rgb | Space::Other => None,
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Space::Inks(i) => self.inks_color(i, comps),
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}
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@ -122,11 +122,23 @@ pub struct ImportOptions {
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/// Optional content groups become layers (else each page is one layer, without the art
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/// that is off).
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pub layers: bool,
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/// The file is an editor's own document (`.ai`): RGB in its `ICCBased` spaces keeps its numbers
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/// (see `Colors::uncalibrated_rgb`). Off for PDFs, whose profiles stand.
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pub uncalibrated_rgb: bool,
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}
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impl Default for ImportOptions {
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fn default() -> Self {
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Self { max_pages: None, artboard_gap: 36.0, pages: None, crop: CropTo::default(), password: None, text_as: TextAs::default(), layers: true }
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Self {
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max_pages: None,
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artboard_gap: 36.0,
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pages: None,
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crop: CropTo::default(),
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password: None,
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text_as: TextAs::default(),
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layers: true,
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uncalibrated_rgb: false,
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}
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}
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}
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@ -245,3 +245,20 @@ fn spot_colours_with_an_icc_lab_alternate_keep_their_lab_values() {
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// An RGB profile stays RGB.
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assert!(near(d.swatch("Leafy").unwrap().paint.color().unwrap(), Color::rgb(0.5, 0.9, 0.1)), "{:?}", d.swatch("Leafy"));
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}
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#[test]
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fn rgb_numbers_stand_in_editor_documents_only() {
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// GUARDS: an editor's document keeps its `ICCBased` RGB numbers; a PDF's profile stands.
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let f = first_extra(1);
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let icc = vectorcraft_color::cms::icc_bytes(vectorcraft_color::cms::PROPHOTO_RGB).unwrap();
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let hex: String = icc.iter().map(|b| format!("{b:02x}")).collect();
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let profile = format!("<< /N 3 /Filter /ASCIIHexDecode /Length {} >>\nstream\n{hex}>\nendstream", hex.len() + 1);
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let mut page = page_with(&format!("/CS0 [/ICCBased {f} 0 R]"), &[("CS0", "0.2 0.6 0.4")]);
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page.entries = "/PieceInfo << /Illustrator << /Private << /AIPrivateData1 7 /NumBlock 1 >> >> >>".into();
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let bytes = pdf_with(&[page], &[&profile], None);
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let color = |uncalibrated_rgb| {
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solid(&fills(&import_with_report(&bytes, &ImportOptions { uncalibrated_rgb, ..Default::default() }).unwrap().document)[0]).0
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};
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assert!(near(color(true), Color::rgb(0.2, 0.6, 0.4)), "{:?}", color(true));
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assert!(!near(color(false), Color::rgb(0.2, 0.6, 0.4)), "{:?}", color(false));
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}
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@ -432,8 +432,8 @@ fn objects(d: &Document) -> Vec<Node> {
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#[test]
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fn an_object_written_as_a_fill_and_a_closed_stroke_stays_one_path_with_a_live_stroke() {
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// As Illustrator writes an object: the fill of the outline left open, then the stroke of it
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// closed, each in its own transform. Two subpaths: one ending on its start, one not.
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// The fill of the outline left open, then the stroke of it closed, each in its own
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// transform. Two subpaths: one ending on its start, one not.
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let outline = "0 0 m -20 1 l -30 -12 l -30 30 l 0 0 l 5 5 m 10 5 l 10 10 l";
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let content = format!(
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"0.2 0.2 0.2 rg q 1 0 0 1 50 50 cm {outline} f Q 1 1 1 RG 1.5 w 1 J 1 j 4 M [3 2] 1 d q 1 0 0 1 50 50 cm {} S Q",
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@ -457,6 +457,45 @@ fn an_object_written_as_a_fill_and_a_closed_stroke_stays_one_path_with_a_live_st
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assert!(p.is_closed());
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}
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#[test]
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fn a_fill_in_a_translucent_group_doesnt_take_the_stroke_drawn_after_it() {
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// A fill at 75 % under an opaque stroke of the same outline: the fill in a transparency group
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// drawn at 75 %, the stroke after the group.
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let x = first_extra(1);
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let outline = "10 10 m 60 10 l 60 60 l 10 60 l h";
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let form = stream("/Type /XObject /Subtype /Form /BBox [0 0 100 100] /Group << /S /Transparency >>", &format!("1 0 0 rg {outline} f"));
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let content = format!("q /G gs /X0 Do Q 0 0 1 RG 2 w {outline} S");
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let d = open(&one_page(&content, &format!("/ExtGState << /G << /ca 0.75 /CA 0.75 >> >> /XObject << /X0 {x} 0 R >>"), &[&form]));
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let objs = objects(&d);
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let stroke = objs.iter().find(|n| n.appearance.stroke().is_some()).expect("a stroke");
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let alpha = all(&d)
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.iter()
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.filter(|n| n.appearance.stroke().is_some() || n.children().is_some_and(|c| c.iter().any(|k| k.id == stroke.id)))
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.map(|n| n.opacity)
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.product::<f32>();
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assert_eq!(alpha, 1.0, "the stroke stays opaque: {objs:#?}");
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let fill = objs.iter().find(|n| n.appearance.fill().is_some()).expect("a fill");
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assert!((fill.opacity * fill.appearance.fill().unwrap().opacity - 0.75).abs() < 1e-3, "{fill:#?}");
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}
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#[test]
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fn a_fill_in_a_soft_masked_group_doesnt_take_the_stroke_drawn_after_it() {
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// ISO 32000-1 §11.6.5.2: the soft mask in the graphics state applies to the group drawn under
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// it, not to the stroke after `Q`.
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let (m, x) = (first_extra(1), first_extra(1) + 1);
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let outline = "10 10 m 60 10 l 60 60 l 10 60 l h";
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let mask = stream("/Type /XObject /Subtype /Form /BBox [0 0 100 100] /Group << /S /Transparency /CS /DeviceRGB >>", "1 1 1 rg 0 0 35 100 re f");
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let form = stream("/Type /XObject /Subtype /Form /BBox [0 0 100 100] /Group << /S /Transparency >>", &format!("1 0 0 rg {outline} f"));
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let content = format!("q /GS gs /X0 Do Q 0 0 1 RG 2 w {outline} S");
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let resources = format!("/ExtGState << /GS << /SMask << /Type /Mask /S /Luminosity /G {m} 0 R >> >> >> /XObject << /X0 {x} 0 R >>");
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let d = open(&one_page(&content, &resources, &[&mask, &form]));
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let nodes = all(&d);
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let stroke = nodes.iter().find(|n| n.appearance.stroke().is_some()).expect("a stroke");
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assert!(stroke.appearance.fill().is_none() && stroke.extras().mask.is_none(), "the stroke is its own unmasked object: {stroke:#?}");
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let masked = nodes.iter().filter(|n| n.extras().mask.is_some()).collect::<Vec<_>>();
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assert!(!masked.is_empty() && masked.iter().all(|n| n.appearance.stroke().is_none()), "{masked:#?}");
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}
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#[test]
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fn different_outlines_filled_and_stroked_stay_apart() {
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let d = open(&one_page("1 0 0 rg 10 10 m 40 10 l 40 40 l f 0 0 1 RG 10 10 m 40 10 l 40 40 l 10 40 l h S 0 g 50 50 m 60 60 l S", "", &[]));
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@ -1,6 +1,6 @@
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# File format parity
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> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (a `.ai` whose PDF part is only text opens from it, #1387; PDF and `.ai` import keep overprint, #1388; `.ai` editing data: gradients with middle stops, #1390; type of objects with an appearance, hidden layers and later artboards, #1391; area type in a frame too short for the fallback font, #1392; `.ai` editing data: placed (linked) files read, #1264; gradient-filled shapes import as paths, #1304; white constant alpha soft masks, #1286 in part; DXF control-point SPLINE closure read, #1299 follow-up; `.ai` and PDF trim and bleed boxes as artboard and bleed, #1266) · **Target:** Adobe Illustrator 2026 (30.x)
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> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (a `.ai` whose PDF part is only text opens from it, #1387; PDF and `.ai` import keep overprint, #1388; `.ai` editing data: gradients with middle stops, #1390; type of objects with an appearance, hidden layers and later artboards, #1391; area type in a frame too short for the fallback font, #1392; `.ai` editing data: placed (linked) files read, #1264; gradient-filled shapes import as paths, #1304; white constant alpha soft masks, #1286 in part; DXF control-point SPLINE closure read, #1299 follow-up; `.ai` and PDF trim and bleed boxes as artboard and bleed, #1266; `.ai` keeps its RGB numbers; PDF import keeps a stroke apart from a fill masked or faded by its group) · **Target:** Adobe Illustrator 2026 (30.x)
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Every format Illustrator opens, places, saves or exports, against VectorCraft's format table (`FORMATS`,
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`OPEN_EXTS`, `PLACE_EXTS` in `crates/engine/src/cmd/fileio/mod.rs`). Illustrator's list comes from its public
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@ -32,6 +32,9 @@ private editing data. VectorCraft:
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Level 3 interpreter. A `.ai` in PostScript form (versions 3 to 8, and what Rhino and other CAD apps
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write) is its own editing data: it opens through the layers its program has, compared with its page
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when the program runs, from the layers alone when it names its prolog without including it (#1027).
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RGB in the PDF page's `ICCBased` spaces keeps the file's numbers in a `.ai` (the `uncalibrated_rgb`
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import option, on for editor documents, off for PDFs), so `.ai` files tagged with a non-sRGB RGB profile
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open with different, unconverted RGB colours than before.
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A PDF-compatible `.ai` opens on its PDF part's trim boxes (its artboards), the bleed boxes round them
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becoming the document's bleed, so art in the bleed shows outside the artboard, within the bleed guide (#1266).
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A PDF saved with its editing data (`AIPDFPrivateData`) opens the same way.
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@ -83,6 +86,8 @@ the app's own editing copy of a file (an EPS after its `%%EOF`, a `.ai`'s `AIPri
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| Date | Change | Summary |
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|---|---|---|
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| 2026-10-12 | minor | `.ai` read as its PDF part keeps the RGB numbers of its `ICCBased` spaces (`uncalibrated_rgb`, on for `.ai`, off for PDFs): a user-visible colour change for `.ai` files tagged with a non-sRGB RGB profile |
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| 2026-10-12 | minor | PDF import: a fill that took its opacity or soft mask from a transparency group no longer absorbs the same-outline stroke drawn after the group, so the stroke keeps neither |
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| 2026-10-12 | minor | A `.ai` whose PDF part draws only text opens from that part when its editing data can't be read, instead of being refused as saved without PDF compatibility: a page that states an art, trim or bleed box is art, not the placeholder (#1387); scores unchanged |
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| 2026-10-12 | minor | PDF and `.ai` import, and placed PDFs, keep overprint: the graphics state's `/OP` and `/op` (ISO 32000-1 §8.6.7) become the overprint of fills, strokes and type, so a spot colour set to overprint still does after export; `/OPM 0` is reported in a note (#1388); scores unchanged |
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| 2026-10-12 | minor | `.ai` editing data: a gradient with middle stops runs its whole ramp (#1390); type of objects with an appearance, of hidden layers and on later artboards goes to its own text object (#1391); area type in a frame too short for the fallback font shows its first line (#1392); scores unchanged |
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@ -1,6 +1,6 @@
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# Gaps
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> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (G9: `.ai` editing-data follow-ups (gradient stops, type placement, short area-type frames), #1390, #1391, #1392; G15: symbol instance art kept between frames, #1386; G1: dialog keyboard focus, #1367 and #1395; estimates unchanged; G9: placed (linked) files read from `.ai` editing data, #1264; G9: gradient shapes import as paths, #1304, and white constant alpha masks, #1286 in part; G15: linear deselect on hide or lock, #1353; estimates unchanged; G7: custom ruler origin done, #1212; G1: Artboard object clicks create a fitted artboard (#1227); remaining interaction pass and estimate unchanged; Pathfinder single-result source names and SVG IDs retained, #1293; DXF control-point SPLINE closure read, #1299 follow-up; G16: Korean catalog added, 70–110 → 60–100 h; Czech render-site localization follow-up; scores and estimates unchanged; Document Setup: Edit Artboards closes the modal after applying valid settings; pointer-click regressions; scores and hours unchanged; Artboards: Escape exits editing; an active drag cancels first; shortcut-routing regression; scores and hours unchanged; G11: valid selection after Simplify and Add Anchor Points (#1272); estimates unchanged; G2: Film Grain added; Photoshop effects 29/57; 28 filters remain; G10: RPM runtime dependency metadata (#1275); estimates unchanged; G15: texture-effect distance searches optimized (#1257); idle-machine/platform drag QA still pending; estimate unchanged; G1: Curvature point display improved (#1236, in part); estimates unchanged; G4: full-name font matching (#1258); Windows font-service QA pending; estimate unchanged; G11: no-op anchor Align keeps history and saved state (#1180 follow-up); estimates unchanged; G1: dedicated Eyedropper cursor and precise-cursor checks (#1269); estimates unchanged; G1: Eyedropper reads visible locked and outside-isolation sources (#1251); estimate unchanged; G11: Direct Selection segment Delete (#1278); estimates unchanged; G1: painted strokes regain the existing default after None/zero-width inheritance (#1253); estimate unchanged; G15: large-selection edits, cached live effects and faster Pathfinder, #1173; G4: proportional vertical metrics done, #966; G11: Shape Builder merge seams on grids of lines fixed, #893; scaled text controls corrected, #1034; group font-size preservation deferred) · **Target:** Adobe Illustrator 2026 (30.x)
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> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (G9: `.ai` editing-data follow-ups (gradient stops, type placement, short area-type frames), #1390, #1391, #1392; G15: symbol instance art kept between frames, #1386; G1: dialog keyboard focus, #1367 and #1395; estimates unchanged; G9: placed (linked) files read from `.ai` editing data, #1264; G9: gradient shapes import as paths, #1304, and white constant alpha masks, #1286 in part; G15: linear deselect on hide or lock, #1353; estimates unchanged; G7: custom ruler origin done, #1212; G1: Artboard object clicks create a fitted artboard (#1227); remaining interaction pass and estimate unchanged; Pathfinder single-result source names and SVG IDs retained, #1293; DXF control-point SPLINE closure read, #1299 follow-up; G16: Korean catalog added, 70–110 → 60–100 h; Czech render-site localization follow-up; scores and estimates unchanged; Document Setup: Edit Artboards closes the modal after applying valid settings; pointer-click regressions; scores and hours unchanged; Artboards: Escape exits editing; an active drag cancels first; shortcut-routing regression; scores and hours unchanged; G11: valid selection after Simplify and Add Anchor Points (#1272); estimates unchanged; G2: Film Grain added; Photoshop effects 29/57; 28 filters remain; G10: RPM runtime dependency metadata (#1275); estimates unchanged; G15: texture-effect distance searches optimized (#1257); idle-machine/platform drag QA still pending; estimate unchanged; G1: Curvature point display improved (#1236, in part); estimates unchanged; G4: full-name font matching (#1258); Windows font-service QA pending; estimate unchanged; G11: no-op anchor Align keeps history and saved state (#1180 follow-up); estimates unchanged; G1: dedicated Eyedropper cursor and precise-cursor checks (#1269); estimates unchanged; G1: Eyedropper reads visible locked and outside-isolation sources (#1251); estimate unchanged; G11: Direct Selection segment Delete (#1278); estimates unchanged; G1: painted strokes regain the existing default after None/zero-width inheritance (#1253); estimate unchanged; G15: large-selection edits, cached live effects and faster Pathfinder, #1173; G4: proportional vertical metrics done, #966; G11: Shape Builder merge seams on grids of lines fixed, #893; scaled text controls corrected, #1034; group font-size preservation deferred; G9: `.ai` keeps its RGB numbers, PDF import keeps strokes apart from fills faded or masked by their group; estimates unchanged) · **Target:** Adobe Illustrator 2026 (30.x)
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Every known shortfall against Illustrator, one entry each, **ranked by how much it stops a professional from
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switching**. This is the work list: unless you were given a task, pick the highest-ranked gap you can make
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@ -234,6 +234,8 @@ from G14 and the budget run of G15: **~170–270 h** one agent, ~50–80 h wall
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| Date | Change | Summary |
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|---|---|---|
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| 2026-10-12 | minor | G9: `.ai` keeps the RGB numbers of its `ICCBased` spaces (`uncalibrated_rgb`; colours change for non-sRGB-profiled `.ai` files); estimate unchanged |
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| 2026-10-12 | minor | G9: PDF import no longer merges a stroke into a fill that got its opacity or soft mask from a transparency group; estimate unchanged |
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| 2026-10-12 | minor | G9: in `.ai` editing data, gradients with middle stops (#1390), type of objects with an appearance, hidden layers and later artboards (#1391) and area type in a frame too short for the fallback font (#1392) open as saved; G15: the art placed for symbol instances and inline graphics is kept between frames (#1386; the budget run on an idle machine remains); G1: dialogs take the keyboard focus on every open (#1367, #1395); estimates unchanged |
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| 2026-10-12 | minor | G9: placed (linked) files in `.ai` editing data come in as linked images showing their saved preview, so such files open through their layers with their guides (#1264); estimate unchanged |
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| 2026-10-12 | minor | G9: gradient-filled shapes from a PDF or `.ai` open as paths, not clip groups (#1304); CMYK files with transparency show in applications reading soft masks by luminosity (#1286, in part: the layer groups' bounding boxes remain); G15: hiding or locking a layer deselects in linear time (#1353); estimates unchanged |
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