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refactor(eps): move import/ai/style.rs tests to import/ai/style/tests.rs
This commit is contained in:
aiongg
@@ -656,333 +656,4 @@ fn style(filters: &[Filter]) -> ArtStyle {
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn a_variable_width_stroke_keeps_its_profile() {
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let data = b"/KnownStyle :\n(Tapered) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
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/CompoundFilter :\n(Stack Style Filter) 0 0 /Filter ,\n1 /Visible ,\n/BasicFilter :\n(Stroke Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
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2 /FillOrStroke ,\n/Dictionary : /NotRecorded ,\n/StrokeStyle : 0 R\n0 0 0 0 0 0 1 XA\n0 J 0 j 30 w 10 M []0 d\n0 XR\n1 0 Xd\n/Def ;\n (StrokeStyle) ,\n\
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/Dictionary : /NotRecorded ,\n2 /Int (BSWidthSource) ,\n/Array :\n0 /Real ,\n1 /Real ,\n; (BSVariableWidthTValuesArray) ,\n\
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/Array :\n1 /Real ,\n0.1 /Real ,\n; (BSCenteredWidthsArray) ,\n; (kAIBeautifulStrokesParamsDictKey) ,\n; /Dict ;\n /Part ,\n\
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/BasicFilter :\n(Conduit Filter) 0 0 /Filter ,\n1 /Visible ,\n;\n /Part ,\n;\n";
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let styles = art_styles(data);
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let style = &styles["Tapered"];
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assert!(style.plain);
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let [StyleItem::Stroke { width, profile, .. }] = style.items.as_slice() else { panic!("{:?}", style.items) };
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assert_eq!(*width, 30.0);
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assert_eq!(profile.as_ref().map(|p| p.points.clone()), Some(vec![(0.0, 1.0, 1.0), (1.0, 0.1, 0.1)]));
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}
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#[test]
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fn dashes_aligned_to_corners_keep_the_drawn_look() {
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// GUARDS: the look holds the fitted pattern and the solid ends the style's dash array doesn't.
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let data = b"/KnownStyle :\n(Stitches) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
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/BasicFilter :\n(Stroke Style Filter) 0 0 /Filter ,\n1 /Visible ,\n2 /FillOrStroke ,\n/Dictionary : /NotRecorded ,\n\
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/Dictionary : /NotRecorded ,\n1 /Bool (BSDashAdj) ,\n; (kAIBeautifulStrokesParamsDictKey) ,\n\
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/StrokeStyle : 0 R\n0 0 0 0 0 0 1 XA\n1 J 0 j 2 w 10 M [5 10 ]0 d\n0 XR\n1 0 Xd\n/Def ;\n (StrokeStyle) ,\n; /Dict ;\n /Part ,\n;\n";
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assert!(!art_styles(data)["Stitches"].plain);
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}
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#[test]
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fn a_drop_shadow_offset_down_points_down() {
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// GUARDS: the document has y down; flipping `vert` like an art-space y would turn the dialog's
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// default shadow (7 pt right, 7 pt down) upwards.
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let data = b"/KnownStyle :\n(Shade) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
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/BasicFilter :\n(Adobe Drop Shadow) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n7 /Real (horz) ,\n7 /Real (vert) ,\n; /Dict ;\n /Part ,\n;\n";
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let styles = art_styles(data);
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let [shadow] = styles["Shade"].effects.as_slice() else { panic!("{:?}", styles["Shade"]) };
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assert_eq!((shadow.params["x"].as_f64(), shadow.params["y"].as_f64()), (Some(7.0), Some(7.0)));
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}
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/// The style `Shade`: a Drop Shadow whose dictionary holds `keys`.
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fn shadow_style(keys: &str) -> ArtStyle {
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let data = format!(
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"/KnownStyle :\n(Shade) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
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/BasicFilter :\n(Adobe Drop Shadow) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n{keys}; /Dict ;\n /Part ,\n;\n"
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);
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art_styles(data.as_bytes()).remove("Shade").unwrap_or_default()
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}
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#[test]
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fn a_drop_shadow_with_darkness_reads_its_darkness() {
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// GUARDS: a `csrc` other than 0 made the style not plain, and the object came in as its drawn look.
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let style = shadow_style("1 /Int (blnd) ,\n0.75 /Real (opac) ,\n5 /Real (blur) ,\n1 /Int (csrc) ,\n50 /Real (dark) ,\n");
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assert!(style.plain, "{style:?}");
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let [shadow] = style.effects.as_slice() else { panic!("{style:?}") };
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let p = &shadow.params;
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assert_eq!(
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(shadow.id.as_str(), &p["shade"], &p["darkness"], &p["opacity"], &p["blur"]),
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("stylize.dropShadow", &json!("darkness"), &json!(50.0), &json!(75.0), &json!(10.0))
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);
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}
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#[test]
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fn a_drop_shadow_darkness_is_100_percent_when_missing_and_kept_within_0_to_100() {
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for (dark, want) in [("", 100.0), ("(fifty) /Real (dark) ,\n", 100.0), ("250 /Real (dark) ,\n", 100.0), ("-5 /Real (dark) ,\n", 0.0)] {
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let style = shadow_style(&format!("1 /Int (csrc) ,\n{dark}"));
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assert!(style.plain, "{dark:?}: {style:?}");
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let [shadow] = style.effects.as_slice() else { panic!("{dark:?}: {style:?}") };
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assert_eq!((&shadow.params["shade"], &shadow.params["darkness"]), (&json!("darkness"), &json!(want)), "{dark:?}");
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}
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}
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#[test]
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fn a_drop_shadow_with_color_keeps_its_params() {
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// GUARDS: a `csrc` of 0, or none, is Color; its shadow has neither `shade` nor `darkness`.
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for csrc in ["", "0 /Int (csrc) ,\n50 /Real (dark) ,\n"] {
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let style = shadow_style(&format!("2 /Int (blnd) ,\n0.5 /Real (opac) ,\n{csrc}"));
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assert!(style.plain, "{csrc:?}: {style:?}");
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let [shadow] = style.effects.as_slice() else { panic!("{csrc:?}: {style:?}") };
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let want = json!({"mode": "Screen", "opacity": 50.0, "blur": 10.0, "x": 7.0, "y": 7.0, "color": vectorcraft_color::Color::BLACK});
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assert_eq!(shadow.params, want, "{csrc:?}");
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}
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}
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#[test]
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fn a_feather_reads_its_radius_from_rad() {
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let data = b"/KnownStyle :\n(Soft) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
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/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n12 /Real (rad) ,\n; /Dict ;\n /Part ,\n;\n";
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let styles = art_styles(data);
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let [feather] = styles["Soft"].effects.as_slice() else { panic!() };
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assert_eq!((feather.id.as_str(), feather.params["radius"].as_f64()), ("stylize.feather", Some(12.0)));
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}
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#[test]
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fn a_feather_falls_back_to_radius_and_defaults_to_five_points() {
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let with_name = b"/KnownStyle :\n(Soft) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
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/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n3 /Real (radius) ,\n; /Dict ;\n /Part ,\n;\n";
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let styles = art_styles(with_name);
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let [feather] = styles["Soft"].effects.as_slice() else { panic!() };
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assert_eq!(feather.params["radius"].as_f64(), Some(3.0));
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let bare = b"/KnownStyle :\n(Soft) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
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/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n; /Dict ;\n /Part ,\n;\n";
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let styles = art_styles(bare);
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let [feather] = styles["Soft"].effects.as_slice() else { panic!() };
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assert_eq!(feather.params["radius"].as_f64(), Some(5.0));
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}
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#[test]
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fn art_styles_clear_operands_beyond_the_cap() {
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let mut data = Vec::from(
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b"/KnownStyle :\n(Soft) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n",
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);
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for _ in 0..80 {
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data.extend_from_slice(b"1 ");
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}
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data.extend_from_slice(b"/Dictionary : /NotRecorded ,\n; /Dict ;\n /Part ,\n;\n");
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let styles = art_styles(&data);
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let [feather] = styles["Soft"].effects.as_slice() else { panic!() };
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assert_eq!(feather.params["radius"].as_f64(), Some(5.0));
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}
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#[test]
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fn art_styles_ignore_filters_beyond_the_cap() {
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const UNIT: &[u8] = b"/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n; /Dict ;\n /Part ,\n";
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let mut data =
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Vec::from(b"/KnownStyle :\n(Capped) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n");
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for _ in 0..MAX_FILTERS + 16 {
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data.extend_from_slice(UNIT);
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}
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data.extend_from_slice(b";\n");
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let style = art_styles(&data).remove("Capped").unwrap_or_default();
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assert!(style.effects.len() <= MAX_FILTERS);
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}
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#[test]
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fn hostile_dash_offsets_and_width_profiles_are_tamed() {
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let mut f = Filter::default();
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paint_op(&mut f, "d", &[V::Arr(vec![V::Num(5.0)]), V::Num(f64::NAN)]);
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assert_eq!(f.dash.as_ref().map(|d| d.offset), Some(0.0));
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// Positions outside 0..=1 and out of order, a negative width, a non-finite one.
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let arrays = HashMap::from([
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("BSVariableWidthTValuesArray".to_string(), vec![1.5, -0.2, 0.5, 0.7]),
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("BSCenteredWidthsArray".to_string(), vec![-1.0, 2.0, 0.5, f64::INFINITY]),
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]);
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assert_eq!(width_profile(&arrays).map(|p| p.points), Some(vec![(0.0, 2.0, 2.0), (0.5, 0.5, 0.5), (1.0, 0.0, 0.0)]));
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let ok = (0..64).map(|_| V::Num(2.0)).collect::<Vec<_>>();
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paint_op(&mut f, "d", &[V::Arr(ok), V::Num(0.0)]);
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assert_eq!(f.dash.as_ref().map(|d| d.pattern.len()), Some(64));
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let huge = (0..65).map(|_| V::Num(1.0)).collect::<Vec<_>>();
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paint_op(&mut f, "d", &[V::Arr(huge), V::Num(0.0)]);
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assert_eq!(f.dash, None);
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let long = (0..1025).map(|i| i as f64 / 1024.0).collect::<Vec<_>>();
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let wide = vec![1.0; 1025];
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let huge = HashMap::from([("BSVariableWidthTValuesArray".to_string(), long), ("BSCenteredWidthsArray".to_string(), wide)]);
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assert_eq!(width_profile(&huge), None);
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}
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#[test]
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fn hostile_stroke_widths_are_sanitized() {
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let mut f = Filter::default();
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paint_op(&mut f, "w", &[V::Num(12.0)]);
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assert_eq!(f.width, 12.0);
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paint_op(&mut f, "w", &[V::Num(-1.0)]);
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assert_eq!(f.width, 12.0);
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paint_op(&mut f, "w", &[V::Num(f64::INFINITY)]);
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assert_eq!(f.width, 12.0);
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}
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#[test]
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fn hostile_stroke_paint_flags_ignore_short_operands() {
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let mut f = Filter { paints: (true, true), ..Filter::default() };
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paint_op(&mut f, "Xd", &[V::Num(1.0)]);
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assert_eq!(f.paints, (true, true));
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paint_op(&mut f, "Xd", &[V::Num(0.0), V::Num(1.0)]);
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assert_eq!(f.paints, (false, true));
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paint_op(&mut f, "Xd", &[V::Num(2.0), V::Num(0.0)]);
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assert_eq!(f.paints, (true, false));
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}
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#[test]
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fn hostile_stroke_miter_limits_are_capped() {
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let mut f = Filter::default();
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paint_op(&mut f, "M", &[V::Num(900.0)]);
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assert_eq!(f.miter, 500.0);
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paint_op(&mut f, "M", &[V::Num(0.5)]);
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assert_eq!(f.miter, 500.0);
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}
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#[test]
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fn hostile_stroke_caps_and_joins_ignore_invalid_values() {
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let mut f = Filter::default();
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paint_op(&mut f, "J", &[V::Num(99.0)]);
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assert_eq!(f.cap, LineCap::Butt);
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paint_op(&mut f, "J", &[V::Num(2.0)]);
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assert_eq!(f.cap, LineCap::Square);
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paint_op(&mut f, "j", &[V::Num(99.0)]);
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assert_eq!(f.join, LineJoin::Miter);
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paint_op(&mut f, "j", &[V::Num(1.0)]);
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assert_eq!(f.join, LineJoin::Round);
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}
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#[test]
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fn hostile_blend_opacities_are_clamped() {
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let mut f = Filter::default();
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paint_op(&mut f, "Xy", &[V::Num(3.0), V::Num(1.5)]);
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assert_eq!(f.xy, Some((3, 1.0)));
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paint_op(&mut f, "Xy", &[V::Num(-1.0), V::Num(0.25)]);
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assert_eq!(f.xy, Some((0, 0.25)));
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paint_op(&mut f, "Xy", &[V::Num(0.0), V::Num(f64::NAN)]);
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assert_eq!(f.xy, Some((0, 0.25)));
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}
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/// A basic filter `name` whose dictionary holds `body`.
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fn basic(name: &str, body: &str) -> String {
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format!("/BasicFilter :\n({name}) 0 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n{body}; /Dict ;\n /Part ,\n")
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}
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/// A compound filter `name` holding `kids`.
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fn compound(name: &str, kids: &[String]) -> String {
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format!("/CompoundFilter :\n({name}) 0 0 /Filter ,\n1 /Visible ,\n{};\n /Part ,\n", kids.concat())
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}
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fn fill(paint: &str) -> String {
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basic(
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"Fill Style Filter",
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&format!("0 /Bool (UseEvenOdd) ,\n/FillStyle : 0 O\n{paint}\n0 1 0 0 0 Xy\n0 J 0 j 1 w 10 M []0 d0 XR\n0 1 Xd\n/Def ;\n (FillStyle) ,\n"),
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)
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}
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fn blend(mode: u8, opacity: f64) -> String {
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basic("Blend Style Filter", &format!("/BlendStyle : {mode} {opacity} 0 0 0 Xy\n0 J 0 j 1 w 10 M []0 d0 XR\n/Def ;\n (BlendStyle) ,\n"))
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}
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/// A comic-lettering style: a warp over a stack of a textured fill, a gradient, a white rim
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/// repeated by Transform, and the characters at the bottom.
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fn lettering() -> String {
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let stack = compound(
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"Stack Style Filter",
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&[
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basic("Stroke Style Filter", "/StrokeStyle : 0 1 0 0 0 Xy\n0 J 0 j 1 w 10 M []0 d0 XR\n0 0 Xd\n/Def ;\n (StrokeStyle) ,\n"),
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compound(
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"Chain Style Filter",
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&[fill("(Dots) 0 0 1 1 0 0 0 0 0 [1 0 0 1 0 0] p"), basic("PSAdapter_plugin_BsRl", "300 /Int (PrevDres) ,\n"), blend(5, 0.48)],
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),
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fill("Bb\n0 0 0 0 Bh\n2 (Red ramp) 0 0 90 1 1 0 0 1 0 0 1 Bg\n0 BB"),
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compound(
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"Chain Style Filter",
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&[
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basic("Adobe Offset Path", "3.5 /Real (ofst) ,\n0 /Int (jntp) ,\n4 /Real (mlim) ,\n"),
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fill("0 0 0 0 1 1 1 Xa"),
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basic(
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"Adobe Transform",
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"6 /Int (numCopies) ,\n0.75 /Real (moveH_Pts) ,\n-0.25 /Real (moveV_Pts) ,\n100 /Real (scaleH_Percent) ,\n100 /Real (scaleV_Percent) ,\n4 /Int (pinPoint) ,\n",
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),
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],
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),
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basic("Conduit Filter", ""),
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],
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);
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let root = compound(
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"Chain Style Filter",
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&[
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basic(
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"Adobe Deform",
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"0 /Bool (Rotate) ,\n0.02 /Real (DeformVert) ,\n4 /Int (DeformStyle) ,\n0.05 /Real (DeformValue) ,\n0 /Real (DeformHoriz) ,\n",
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),
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stack,
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blend(0, 1.0),
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],
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);
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format!("/KnownStyle :\n(Lettering) /Name ,\n/ActiveStyle :\n{root}\n/Execution ;\n /Def ;\n")
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}
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#[test]
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fn a_stack_of_fills_with_effects_of_their_own_is_read_as_itself() {
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// GUARDS: more than one fill, or an effect on a fill, made the style not plain, and type
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// with it came in as its drawn look (outlines) instead of type.
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let styles = art_styles(lettering().as_bytes());
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let st = &styles["Lettering"];
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assert!(st.plain, "{st:?}");
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// Bottom first: the rim, the gradient, the textured fill; the stroke paints nothing.
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let [StyleItem::Fill(rim), StyleItem::Gradient { name, angle }, StyleItem::Pattern { name: pattern, .. }] = st.items.as_slice() else {
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panic!("{:?}", st.items)
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};
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assert!(matches!(rim, Paint::Solid { .. }), "{rim:?}");
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assert_eq!((name.as_deref(), *angle, pattern.as_str()), (Some("Red ramp"), 90.0, "Dots"));
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let ids = |l: &ItemLook| l.effects.iter().map(|e| e.id.clone()).collect::<Vec<_>>();
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assert_eq!(ids(&st.looks[0]), ["path.offsetPath", "distort.transform"]);
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assert!(ids(&st.looks[1]).is_empty());
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assert_eq!(ids(&st.looks[2]), ["sketch.basRelief"]);
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assert_eq!((st.looks[2].blend, st.looks[2].opacity), (BlendMode::HardLight, 0.48));
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let transform = &st.looks[0].effects[1].params;
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assert_eq!((&transform["copies"], &transform["moveH"], &transform["moveV"]), (&json!(6), &json!(0.75), &json!(0.25)));
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assert_eq!(st.looks[0].effects[0].params["joins"], json!("round"));
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// The warp is the whole object's; the characters paint below every item.
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let [warp] = st.effects.as_slice() else { panic!("{:?}", st.effects) };
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assert_eq!((warp.id.as_str(), &warp.params["bend"], &warp.params["orientation"]), ("warp.arch", &json!(5.0), &json!("horizontal")));
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assert_eq!(st.contents_index, None);
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}
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#[test]
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fn contents_above_some_items_count_them() {
|
||||
let stack = compound("Stack Style Filter", &[fill("0 0 0 0 1 1 1 Xa"), basic("Conduit Filter", ""), fill("0 0 0 1 0 0 0 Xa")]);
|
||||
let data = format!("/KnownStyle :\n(Over) /Name ,\n/ActiveStyle :\n{}", compound("Chain Style Filter", &[stack]));
|
||||
let st = &art_styles(data.as_bytes())["Over"];
|
||||
assert!(st.plain, "{st:?}");
|
||||
assert_eq!((st.items.len(), st.contents_index), (2, Some(1)));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn an_effect_not_read_here_keeps_the_drawn_look() {
|
||||
let item = compound("Chain Style Filter", &[fill("0 0 0 1 0 0 0 Xa"), basic("Adobe Scribble Fill", "")]);
|
||||
let data =
|
||||
format!("/KnownStyle :\n(Odd) /Name ,\n/ActiveStyle :\n{}", compound("Chain Style Filter", &[compound("Stack Style Filter", &[item])]));
|
||||
assert!(!art_styles(data.as_bytes())["Odd"].plain);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_hidden_fill_comes_in_hidden() {
|
||||
let hidden = fill("0 0 0 1 0 0 0 Xa").replacen("1 /Visible", "0 /Visible", 1);
|
||||
let data = format!(
|
||||
"/KnownStyle :\n(Hidden) /Name ,\n/ActiveStyle :\n{}",
|
||||
compound("Chain Style Filter", &[compound("Stack Style Filter", &[fill("0 0 0 0 1 1 1 Xa"), hidden])])
|
||||
);
|
||||
let st = &art_styles(data.as_bytes())["Hidden"];
|
||||
assert!(st.plain, "{st:?}");
|
||||
assert_eq!(st.looks.iter().map(|l| l.visible).collect::<Vec<_>>(), [false, true]);
|
||||
}
|
||||
}
|
||||
mod tests;
|
||||
|
||||
@@ -0,0 +1,328 @@
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn a_variable_width_stroke_keeps_its_profile() {
|
||||
let data = b"/KnownStyle :\n(Tapered) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
|
||||
/CompoundFilter :\n(Stack Style Filter) 0 0 /Filter ,\n1 /Visible ,\n/BasicFilter :\n(Stroke Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
|
||||
2 /FillOrStroke ,\n/Dictionary : /NotRecorded ,\n/StrokeStyle : 0 R\n0 0 0 0 0 0 1 XA\n0 J 0 j 30 w 10 M []0 d\n0 XR\n1 0 Xd\n/Def ;\n (StrokeStyle) ,\n\
|
||||
/Dictionary : /NotRecorded ,\n2 /Int (BSWidthSource) ,\n/Array :\n0 /Real ,\n1 /Real ,\n; (BSVariableWidthTValuesArray) ,\n\
|
||||
/Array :\n1 /Real ,\n0.1 /Real ,\n; (BSCenteredWidthsArray) ,\n; (kAIBeautifulStrokesParamsDictKey) ,\n; /Dict ;\n /Part ,\n\
|
||||
/BasicFilter :\n(Conduit Filter) 0 0 /Filter ,\n1 /Visible ,\n;\n /Part ,\n;\n";
|
||||
let styles = art_styles(data);
|
||||
let style = &styles["Tapered"];
|
||||
assert!(style.plain);
|
||||
let [StyleItem::Stroke { width, profile, .. }] = style.items.as_slice() else { panic!("{:?}", style.items) };
|
||||
assert_eq!(*width, 30.0);
|
||||
assert_eq!(profile.as_ref().map(|p| p.points.clone()), Some(vec![(0.0, 1.0, 1.0), (1.0, 0.1, 0.1)]));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn dashes_aligned_to_corners_keep_the_drawn_look() {
|
||||
// GUARDS: the look holds the fitted pattern and the solid ends the style's dash array doesn't.
|
||||
let data = b"/KnownStyle :\n(Stitches) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
|
||||
/BasicFilter :\n(Stroke Style Filter) 0 0 /Filter ,\n1 /Visible ,\n2 /FillOrStroke ,\n/Dictionary : /NotRecorded ,\n\
|
||||
/Dictionary : /NotRecorded ,\n1 /Bool (BSDashAdj) ,\n; (kAIBeautifulStrokesParamsDictKey) ,\n\
|
||||
/StrokeStyle : 0 R\n0 0 0 0 0 0 1 XA\n1 J 0 j 2 w 10 M [5 10 ]0 d\n0 XR\n1 0 Xd\n/Def ;\n (StrokeStyle) ,\n; /Dict ;\n /Part ,\n;\n";
|
||||
assert!(!art_styles(data)["Stitches"].plain);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_drop_shadow_offset_down_points_down() {
|
||||
// GUARDS: the document has y down; flipping `vert` like an art-space y would turn the dialog's
|
||||
// default shadow (7 pt right, 7 pt down) upwards.
|
||||
let data = b"/KnownStyle :\n(Shade) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
|
||||
/BasicFilter :\n(Adobe Drop Shadow) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n7 /Real (horz) ,\n7 /Real (vert) ,\n; /Dict ;\n /Part ,\n;\n";
|
||||
let styles = art_styles(data);
|
||||
let [shadow] = styles["Shade"].effects.as_slice() else { panic!("{:?}", styles["Shade"]) };
|
||||
assert_eq!((shadow.params["x"].as_f64(), shadow.params["y"].as_f64()), (Some(7.0), Some(7.0)));
|
||||
}
|
||||
|
||||
/// The style `Shade`: a Drop Shadow whose dictionary holds `keys`.
|
||||
fn shadow_style(keys: &str) -> ArtStyle {
|
||||
let data = format!(
|
||||
"/KnownStyle :\n(Shade) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
|
||||
/BasicFilter :\n(Adobe Drop Shadow) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n{keys}; /Dict ;\n /Part ,\n;\n"
|
||||
);
|
||||
art_styles(data.as_bytes()).remove("Shade").unwrap_or_default()
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_drop_shadow_with_darkness_reads_its_darkness() {
|
||||
// GUARDS: a `csrc` other than 0 made the style not plain, and the object came in as its drawn look.
|
||||
let style = shadow_style("1 /Int (blnd) ,\n0.75 /Real (opac) ,\n5 /Real (blur) ,\n1 /Int (csrc) ,\n50 /Real (dark) ,\n");
|
||||
assert!(style.plain, "{style:?}");
|
||||
let [shadow] = style.effects.as_slice() else { panic!("{style:?}") };
|
||||
let p = &shadow.params;
|
||||
assert_eq!(
|
||||
(shadow.id.as_str(), &p["shade"], &p["darkness"], &p["opacity"], &p["blur"]),
|
||||
("stylize.dropShadow", &json!("darkness"), &json!(50.0), &json!(75.0), &json!(10.0))
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_drop_shadow_darkness_is_100_percent_when_missing_and_kept_within_0_to_100() {
|
||||
for (dark, want) in [("", 100.0), ("(fifty) /Real (dark) ,\n", 100.0), ("250 /Real (dark) ,\n", 100.0), ("-5 /Real (dark) ,\n", 0.0)] {
|
||||
let style = shadow_style(&format!("1 /Int (csrc) ,\n{dark}"));
|
||||
assert!(style.plain, "{dark:?}: {style:?}");
|
||||
let [shadow] = style.effects.as_slice() else { panic!("{dark:?}: {style:?}") };
|
||||
assert_eq!((&shadow.params["shade"], &shadow.params["darkness"]), (&json!("darkness"), &json!(want)), "{dark:?}");
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_drop_shadow_with_color_keeps_its_params() {
|
||||
// GUARDS: a `csrc` of 0, or none, is Color; its shadow has neither `shade` nor `darkness`.
|
||||
for csrc in ["", "0 /Int (csrc) ,\n50 /Real (dark) ,\n"] {
|
||||
let style = shadow_style(&format!("2 /Int (blnd) ,\n0.5 /Real (opac) ,\n{csrc}"));
|
||||
assert!(style.plain, "{csrc:?}: {style:?}");
|
||||
let [shadow] = style.effects.as_slice() else { panic!("{csrc:?}: {style:?}") };
|
||||
let want = json!({"mode": "Screen", "opacity": 50.0, "blur": 10.0, "x": 7.0, "y": 7.0, "color": vectorcraft_color::Color::BLACK});
|
||||
assert_eq!(shadow.params, want, "{csrc:?}");
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_feather_reads_its_radius_from_rad() {
|
||||
let data = b"/KnownStyle :\n(Soft) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
|
||||
/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n12 /Real (rad) ,\n; /Dict ;\n /Part ,\n;\n";
|
||||
let styles = art_styles(data);
|
||||
let [feather] = styles["Soft"].effects.as_slice() else { panic!() };
|
||||
assert_eq!((feather.id.as_str(), feather.params["radius"].as_f64()), ("stylize.feather", Some(12.0)));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_feather_falls_back_to_radius_and_defaults_to_five_points() {
|
||||
let with_name = b"/KnownStyle :\n(Soft) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
|
||||
/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n3 /Real (radius) ,\n; /Dict ;\n /Part ,\n;\n";
|
||||
let styles = art_styles(with_name);
|
||||
let [feather] = styles["Soft"].effects.as_slice() else { panic!() };
|
||||
assert_eq!(feather.params["radius"].as_f64(), Some(3.0));
|
||||
|
||||
let bare = b"/KnownStyle :\n(Soft) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n\
|
||||
/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n; /Dict ;\n /Part ,\n;\n";
|
||||
let styles = art_styles(bare);
|
||||
let [feather] = styles["Soft"].effects.as_slice() else { panic!() };
|
||||
assert_eq!(feather.params["radius"].as_f64(), Some(5.0));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn art_styles_clear_operands_beyond_the_cap() {
|
||||
let mut data = Vec::from(
|
||||
b"/KnownStyle :\n(Soft) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n",
|
||||
);
|
||||
for _ in 0..80 {
|
||||
data.extend_from_slice(b"1 ");
|
||||
}
|
||||
data.extend_from_slice(b"/Dictionary : /NotRecorded ,\n; /Dict ;\n /Part ,\n;\n");
|
||||
let styles = art_styles(&data);
|
||||
let [feather] = styles["Soft"].effects.as_slice() else { panic!() };
|
||||
assert_eq!(feather.params["radius"].as_f64(), Some(5.0));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn art_styles_ignore_filters_beyond_the_cap() {
|
||||
const UNIT: &[u8] = b"/BasicFilter :\n(Adobe Feather) 1 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n; /Dict ;\n /Part ,\n";
|
||||
let mut data =
|
||||
Vec::from(b"/KnownStyle :\n(Capped) /Name ,\n/ActiveStyle :\n/CompoundFilter :\n(Chain Style Filter) 0 0 /Filter ,\n1 /Visible ,\n");
|
||||
for _ in 0..MAX_FILTERS + 16 {
|
||||
data.extend_from_slice(UNIT);
|
||||
}
|
||||
data.extend_from_slice(b";\n");
|
||||
let style = art_styles(&data).remove("Capped").unwrap_or_default();
|
||||
assert!(style.effects.len() <= MAX_FILTERS);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn hostile_dash_offsets_and_width_profiles_are_tamed() {
|
||||
let mut f = Filter::default();
|
||||
paint_op(&mut f, "d", &[V::Arr(vec![V::Num(5.0)]), V::Num(f64::NAN)]);
|
||||
assert_eq!(f.dash.as_ref().map(|d| d.offset), Some(0.0));
|
||||
// Positions outside 0..=1 and out of order, a negative width, a non-finite one.
|
||||
let arrays = HashMap::from([
|
||||
("BSVariableWidthTValuesArray".to_string(), vec![1.5, -0.2, 0.5, 0.7]),
|
||||
("BSCenteredWidthsArray".to_string(), vec![-1.0, 2.0, 0.5, f64::INFINITY]),
|
||||
]);
|
||||
assert_eq!(width_profile(&arrays).map(|p| p.points), Some(vec![(0.0, 2.0, 2.0), (0.5, 0.5, 0.5), (1.0, 0.0, 0.0)]));
|
||||
let ok = (0..64).map(|_| V::Num(2.0)).collect::<Vec<_>>();
|
||||
paint_op(&mut f, "d", &[V::Arr(ok), V::Num(0.0)]);
|
||||
assert_eq!(f.dash.as_ref().map(|d| d.pattern.len()), Some(64));
|
||||
let huge = (0..65).map(|_| V::Num(1.0)).collect::<Vec<_>>();
|
||||
paint_op(&mut f, "d", &[V::Arr(huge), V::Num(0.0)]);
|
||||
assert_eq!(f.dash, None);
|
||||
let long = (0..1025).map(|i| i as f64 / 1024.0).collect::<Vec<_>>();
|
||||
let wide = vec![1.0; 1025];
|
||||
let huge = HashMap::from([("BSVariableWidthTValuesArray".to_string(), long), ("BSCenteredWidthsArray".to_string(), wide)]);
|
||||
assert_eq!(width_profile(&huge), None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn hostile_stroke_widths_are_sanitized() {
|
||||
let mut f = Filter::default();
|
||||
paint_op(&mut f, "w", &[V::Num(12.0)]);
|
||||
assert_eq!(f.width, 12.0);
|
||||
paint_op(&mut f, "w", &[V::Num(-1.0)]);
|
||||
assert_eq!(f.width, 12.0);
|
||||
paint_op(&mut f, "w", &[V::Num(f64::INFINITY)]);
|
||||
assert_eq!(f.width, 12.0);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn hostile_stroke_paint_flags_ignore_short_operands() {
|
||||
let mut f = Filter { paints: (true, true), ..Filter::default() };
|
||||
paint_op(&mut f, "Xd", &[V::Num(1.0)]);
|
||||
assert_eq!(f.paints, (true, true));
|
||||
paint_op(&mut f, "Xd", &[V::Num(0.0), V::Num(1.0)]);
|
||||
assert_eq!(f.paints, (false, true));
|
||||
paint_op(&mut f, "Xd", &[V::Num(2.0), V::Num(0.0)]);
|
||||
assert_eq!(f.paints, (true, false));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn hostile_stroke_miter_limits_are_capped() {
|
||||
let mut f = Filter::default();
|
||||
paint_op(&mut f, "M", &[V::Num(900.0)]);
|
||||
assert_eq!(f.miter, 500.0);
|
||||
paint_op(&mut f, "M", &[V::Num(0.5)]);
|
||||
assert_eq!(f.miter, 500.0);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn hostile_stroke_caps_and_joins_ignore_invalid_values() {
|
||||
let mut f = Filter::default();
|
||||
paint_op(&mut f, "J", &[V::Num(99.0)]);
|
||||
assert_eq!(f.cap, LineCap::Butt);
|
||||
paint_op(&mut f, "J", &[V::Num(2.0)]);
|
||||
assert_eq!(f.cap, LineCap::Square);
|
||||
paint_op(&mut f, "j", &[V::Num(99.0)]);
|
||||
assert_eq!(f.join, LineJoin::Miter);
|
||||
paint_op(&mut f, "j", &[V::Num(1.0)]);
|
||||
assert_eq!(f.join, LineJoin::Round);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn hostile_blend_opacities_are_clamped() {
|
||||
let mut f = Filter::default();
|
||||
paint_op(&mut f, "Xy", &[V::Num(3.0), V::Num(1.5)]);
|
||||
assert_eq!(f.xy, Some((3, 1.0)));
|
||||
paint_op(&mut f, "Xy", &[V::Num(-1.0), V::Num(0.25)]);
|
||||
assert_eq!(f.xy, Some((0, 0.25)));
|
||||
paint_op(&mut f, "Xy", &[V::Num(0.0), V::Num(f64::NAN)]);
|
||||
assert_eq!(f.xy, Some((0, 0.25)));
|
||||
}
|
||||
|
||||
/// A basic filter `name` whose dictionary holds `body`.
|
||||
fn basic(name: &str, body: &str) -> String {
|
||||
format!("/BasicFilter :\n({name}) 0 0 /Filter ,\n1 /Visible ,\n/Dictionary : /NotRecorded ,\n{body}; /Dict ;\n /Part ,\n")
|
||||
}
|
||||
|
||||
/// A compound filter `name` holding `kids`.
|
||||
fn compound(name: &str, kids: &[String]) -> String {
|
||||
format!("/CompoundFilter :\n({name}) 0 0 /Filter ,\n1 /Visible ,\n{};\n /Part ,\n", kids.concat())
|
||||
}
|
||||
|
||||
fn fill(paint: &str) -> String {
|
||||
basic(
|
||||
"Fill Style Filter",
|
||||
&format!("0 /Bool (UseEvenOdd) ,\n/FillStyle : 0 O\n{paint}\n0 1 0 0 0 Xy\n0 J 0 j 1 w 10 M []0 d0 XR\n0 1 Xd\n/Def ;\n (FillStyle) ,\n"),
|
||||
)
|
||||
}
|
||||
|
||||
fn blend(mode: u8, opacity: f64) -> String {
|
||||
basic("Blend Style Filter", &format!("/BlendStyle : {mode} {opacity} 0 0 0 Xy\n0 J 0 j 1 w 10 M []0 d0 XR\n/Def ;\n (BlendStyle) ,\n"))
|
||||
}
|
||||
|
||||
/// A comic-lettering style: a warp over a stack of a textured fill, a gradient, a white rim
|
||||
/// repeated by Transform, and the characters at the bottom.
|
||||
fn lettering() -> String {
|
||||
let stack = compound(
|
||||
"Stack Style Filter",
|
||||
&[
|
||||
basic("Stroke Style Filter", "/StrokeStyle : 0 1 0 0 0 Xy\n0 J 0 j 1 w 10 M []0 d0 XR\n0 0 Xd\n/Def ;\n (StrokeStyle) ,\n"),
|
||||
compound(
|
||||
"Chain Style Filter",
|
||||
&[fill("(Dots) 0 0 1 1 0 0 0 0 0 [1 0 0 1 0 0] p"), basic("PSAdapter_plugin_BsRl", "300 /Int (PrevDres) ,\n"), blend(5, 0.48)],
|
||||
),
|
||||
fill("Bb\n0 0 0 0 Bh\n2 (Red ramp) 0 0 90 1 1 0 0 1 0 0 1 Bg\n0 BB"),
|
||||
compound(
|
||||
"Chain Style Filter",
|
||||
&[
|
||||
basic("Adobe Offset Path", "3.5 /Real (ofst) ,\n0 /Int (jntp) ,\n4 /Real (mlim) ,\n"),
|
||||
fill("0 0 0 0 1 1 1 Xa"),
|
||||
basic(
|
||||
"Adobe Transform",
|
||||
"6 /Int (numCopies) ,\n0.75 /Real (moveH_Pts) ,\n-0.25 /Real (moveV_Pts) ,\n100 /Real (scaleH_Percent) ,\n100 /Real (scaleV_Percent) ,\n4 /Int (pinPoint) ,\n",
|
||||
),
|
||||
],
|
||||
),
|
||||
basic("Conduit Filter", ""),
|
||||
],
|
||||
);
|
||||
let root = compound(
|
||||
"Chain Style Filter",
|
||||
&[
|
||||
basic(
|
||||
"Adobe Deform",
|
||||
"0 /Bool (Rotate) ,\n0.02 /Real (DeformVert) ,\n4 /Int (DeformStyle) ,\n0.05 /Real (DeformValue) ,\n0 /Real (DeformHoriz) ,\n",
|
||||
),
|
||||
stack,
|
||||
blend(0, 1.0),
|
||||
],
|
||||
);
|
||||
format!("/KnownStyle :\n(Lettering) /Name ,\n/ActiveStyle :\n{root}\n/Execution ;\n /Def ;\n")
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_stack_of_fills_with_effects_of_their_own_is_read_as_itself() {
|
||||
// GUARDS: more than one fill, or an effect on a fill, made the style not plain, and type
|
||||
// with it came in as its drawn look (outlines) instead of type.
|
||||
let styles = art_styles(lettering().as_bytes());
|
||||
let st = &styles["Lettering"];
|
||||
assert!(st.plain, "{st:?}");
|
||||
// Bottom first: the rim, the gradient, the textured fill; the stroke paints nothing.
|
||||
let [StyleItem::Fill(rim), StyleItem::Gradient { name, angle }, StyleItem::Pattern { name: pattern, .. }] = st.items.as_slice() else {
|
||||
panic!("{:?}", st.items)
|
||||
};
|
||||
assert!(matches!(rim, Paint::Solid { .. }), "{rim:?}");
|
||||
assert_eq!((name.as_deref(), *angle, pattern.as_str()), (Some("Red ramp"), 90.0, "Dots"));
|
||||
let ids = |l: &ItemLook| l.effects.iter().map(|e| e.id.clone()).collect::<Vec<_>>();
|
||||
assert_eq!(ids(&st.looks[0]), ["path.offsetPath", "distort.transform"]);
|
||||
assert!(ids(&st.looks[1]).is_empty());
|
||||
assert_eq!(ids(&st.looks[2]), ["sketch.basRelief"]);
|
||||
assert_eq!((st.looks[2].blend, st.looks[2].opacity), (BlendMode::HardLight, 0.48));
|
||||
let transform = &st.looks[0].effects[1].params;
|
||||
assert_eq!((&transform["copies"], &transform["moveH"], &transform["moveV"]), (&json!(6), &json!(0.75), &json!(0.25)));
|
||||
assert_eq!(st.looks[0].effects[0].params["joins"], json!("round"));
|
||||
// The warp is the whole object's; the characters paint below every item.
|
||||
let [warp] = st.effects.as_slice() else { panic!("{:?}", st.effects) };
|
||||
assert_eq!((warp.id.as_str(), &warp.params["bend"], &warp.params["orientation"]), ("warp.arch", &json!(5.0), &json!("horizontal")));
|
||||
assert_eq!(st.contents_index, None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn contents_above_some_items_count_them() {
|
||||
let stack = compound("Stack Style Filter", &[fill("0 0 0 0 1 1 1 Xa"), basic("Conduit Filter", ""), fill("0 0 0 1 0 0 0 Xa")]);
|
||||
let data = format!("/KnownStyle :\n(Over) /Name ,\n/ActiveStyle :\n{}", compound("Chain Style Filter", &[stack]));
|
||||
let st = &art_styles(data.as_bytes())["Over"];
|
||||
assert!(st.plain, "{st:?}");
|
||||
assert_eq!((st.items.len(), st.contents_index), (2, Some(1)));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn an_effect_not_read_here_keeps_the_drawn_look() {
|
||||
let item = compound("Chain Style Filter", &[fill("0 0 0 1 0 0 0 Xa"), basic("Adobe Scribble Fill", "")]);
|
||||
let data =
|
||||
format!("/KnownStyle :\n(Odd) /Name ,\n/ActiveStyle :\n{}", compound("Chain Style Filter", &[compound("Stack Style Filter", &[item])]));
|
||||
assert!(!art_styles(data.as_bytes())["Odd"].plain);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_hidden_fill_comes_in_hidden() {
|
||||
let hidden = fill("0 0 0 1 0 0 0 Xa").replacen("1 /Visible", "0 /Visible", 1);
|
||||
let data = format!(
|
||||
"/KnownStyle :\n(Hidden) /Name ,\n/ActiveStyle :\n{}",
|
||||
compound("Chain Style Filter", &[compound("Stack Style Filter", &[fill("0 0 0 0 1 1 1 Xa"), hidden])])
|
||||
);
|
||||
let st = &art_styles(data.as_bytes())["Hidden"];
|
||||
assert!(st.plain, "{st:?}");
|
||||
assert_eq!(st.looks.iter().map(|l| l.visible).collect::<Vec<_>>(), [false, true]);
|
||||
}
|
||||
Reference in New Issue
Block a user