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refactor(ui-egui): move cursors.rs tests to cursors/tests.rs
This commit is contained in:
aiongg
@@ -767,487 +767,4 @@ fn fill_triangle(px: &mut [[f32; 4]], w: usize, t: [(Vec2, Color32); 3]) {
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}
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#[cfg(test)]
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mod tests {
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use std::sync::Arc;
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use super::*;
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use serde_json::json;
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use vectorcraft_engine::Session;
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use crate::VectorcraftApp;
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/// The straight RGBA of pixel (x, y).
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fn pixel(img: &CustomCursorImage, x: usize, y: usize) -> [u8; 4] {
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let i = (y * img.size[0] as usize + x) * 4;
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[img.rgba[i], img.rgba[i + 1], img.rgba[i + 2], img.rgba[i + 3]]
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}
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/// The Anchor Point caret's hotspot is the middle of its hollow square: white there, with the
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/// square's ink a few points above it.
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#[test]
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fn anchor_point_hotspot_is_inside_its_square() {
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for ppp in [1.0f32, 2.0] {
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let img = rasterize(Cursor::AnchorPoint, ppp).expect("anchor point has a bitmap");
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let [hx, hy] = img.hotspot.map(usize::from);
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assert_eq!(pixel(&img, hx, hy), [255, 255, 255, 255], "hollow at the hotspot at {ppp}x");
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let reach = (4.0 * ppp).round() as usize;
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let inked = (1..=reach.min(hy)).any(|d| {
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let p = pixel(&img, hx, hy - d);
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p[0] < 64 && p[3] > 200
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});
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assert!(inked, "ink on the square's top edge within 4 points above the hotspot at {ppp}x");
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}
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}
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/// Direct Selection's anchor square is hollow over an unselected path and filled over a
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/// selected one; the arrow stays white. The Reshape Segment and copy arrowheads are black and
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/// Group Selection's arrow white, just inside their tips.
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#[test]
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fn selection_arrows_are_white_or_black() {
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let at = |img: &CustomCursorImage, x: f32, y: f32, ppp: f32| {
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let [hx, hy] = img.hotspot.map(usize::from);
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pixel(img, hx + (x * ppp).round() as usize, hy + (y * ppp).round() as usize)
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};
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for ppp in [1.0f32, 2.0] {
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for c in [Cursor::DirectAnchor, Cursor::DirectAnchorSelected] {
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let img = rasterize(c, ppp).expect("a bitmap");
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let tip = at(&img, 1.5, 6.0, ppp);
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assert!(tip[0] > 192 && tip[3] > 200, "{c:?}'s arrow is white at {ppp}x: {tip:?}");
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}
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// Same arrow, so the filled square shows as more ink than the hollow one.
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let ink = |c| {
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let img = rasterize(c, ppp).expect("a bitmap");
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img.rgba.as_chunks::<4>().0.iter().filter(|p| p[0] < 64 && p[3] > 200).count()
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};
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let (hollow, filled) = (ink(Cursor::DirectAnchor), ink(Cursor::DirectAnchorSelected));
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assert!(filled > hollow, "the selected path's square is filled at {ppp}x: {filled} vs {hollow}");
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for (c, white) in [(Cursor::ReshapeSegment, false), (Cursor::SelectionCopy, false), (Cursor::GroupSelection, true)] {
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let img = rasterize(c, ppp).expect("a bitmap");
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let tip = at(&img, 1.5, 6.0, ppp);
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assert_eq!(tip[0] > 192, white, "{c:?} at {ppp}x: {tip:?}");
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assert!(tip[3] > 200, "{c:?} at {ppp}x: {tip:?}");
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}
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}
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}
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#[test]
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fn a_cursor_not_drawn_yet_looks_like_the_one_it_borrows() {
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for c in GLYPHS {
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let Some(stand_in) = c.stand_in() else { continue };
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assert_eq!(rasterize(c, 2.0), rasterize(stand_in, 2.0), "{c:?} borrows {stand_in:?}");
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}
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}
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/// Loaded text after a click on the overflow out port is a text-block glyph, not the I-beam.
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#[test]
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fn loaded_text_cursor_is_not_the_text_i_beam() {
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assert!(Cursor::LoadedText.stand_in().is_none());
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let loaded = rasterize(Cursor::LoadedText, 2.0).expect("loaded text bitmap");
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let ibeam = rasterize(Cursor::Text, 2.0).expect("text bitmap");
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assert_ne!(loaded.rgba, ibeam.rgba);
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let [hx, hy] = loaded.hotspot.map(usize::from);
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assert!(pixel(&loaded, hx, hy)[3] > 200, "hotspot lies on the drawn frame");
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}
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#[test]
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fn every_glyph_becomes_a_bitmap_with_its_hotspot_inside() {
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for ppp in [1.0, 1.25, 1.5, 2.0, 3.0] {
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for c in GLYPHS {
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let img = rasterize(c, ppp).unwrap_or_else(|| panic!("{c:?} at {ppp}"));
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let [w, h] = img.size.map(usize::from);
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assert_eq!(img.rgba.len(), w * h * 4, "{c:?}");
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assert!(img.hotspot[0] < img.size[0] && img.hotspot[1] < img.size[1], "{c:?} at {ppp}: {img:?}");
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assert!(w as f32 <= 50.0 * ppp && h as f32 <= 50.0 * ppp, "{c:?} at {ppp}: {img:?}");
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assert!(img.rgba.as_chunks::<4>().0.iter().any(|p| p[3] == 255), "{c:?}: nothing opaque");
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}
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// #1269: the normal Eyedropper is a pipette, with its tip at the hotspot; only
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// Use Precise Cursors turns it into a crosshair.
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let dropper = rasterize(Cursor::Eyedropper, ppp).unwrap();
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let precise = rasterize(Cursor::Eyedropper.precise(), ppp).unwrap();
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assert_ne!(dropper, precise, "Eyedropper must be distinguishable from its precise cursor at {ppp}");
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let [hx, hy] = dropper.hotspot.map(usize::from);
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let halo = (3.0 * ppp).ceil(); // The bitmap bounds round out to whole physical pixels.
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assert!(hx as f32 <= halo && f32::from(dropper.size[1]) - hy as f32 <= halo, "the tip is at the lower-left: {dropper:?}");
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assert!(pixel(&dropper, hx, hy)[3] > 0, "the tip covers the hotspot at {ppp}");
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}
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assert!(rasterize(Cursor::NotAllowed, 1.0).is_none(), "the busy states stay system cursors");
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assert!(rasterize(Cursor::Busy, 1.0).is_none());
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assert!(rasterize(Cursor::ScissorsNotAllowed, 1.0).is_none(), "until it's drawn it borrows the system not-allowed cursor");
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for ppp in [0.0, -1.0, f32::NAN, f32::INFINITY, 1e9] {
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assert!(rasterize(Cursor::Arrow, ppp).is_none(), "{ppp}");
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}
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}
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#[test]
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fn the_arrow_bitmap_is_black_in_a_white_halo_with_the_tip_on_the_hotspot() {
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let img = rasterize(Cursor::Arrow, 1.0).unwrap();
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let [hx, hy] = img.hotspot.map(usize::from);
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// The tip covers the hotspot's pixel; the body is solid black, the outline's halo white.
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assert!(pixel(&img, hx, hy)[3] > 0, "{:?}", pixel(&img, hx, hy));
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let body = pixel(&img, hx + 2, hy + 8);
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assert!(body[3] == 255 && body[..3].iter().all(|&c| c < 40), "{body:?}");
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assert!(img.rgba.as_chunks::<4>().0.iter().any(|p| p[3] == 255 && p[..3].iter().all(|&c| c > 215)), "no white halo");
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// Nothing left of or above the tip but the halo.
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assert!((0..img.size[1] as usize).all(|y| pixel(&img, 0, y)[..3].iter().all(|&c| c > 100) || pixel(&img, 0, y)[3] < 128));
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// At twice the pixels per point, twice the pixels.
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let big = rasterize(Cursor::Arrow, 2.0).unwrap();
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for i in 0..2 {
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let ratio = f32::from(big.size[i]) / f32::from(img.size[i]);
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assert!((1.8..=2.2).contains(&ratio), "{:?} vs {:?}", big.size, img.size);
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}
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let [bx, by] = big.hotspot.map(usize::from);
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let body = pixel(&big, bx + 4, by + 16);
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assert!(body[3] == 255 && body[..3].iter().all(|&c| c < 40), "{body:?}");
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}
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/// The pen nib is a fountain pen's lying along the selection arrow's axis: its point on the
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/// hotspot, the slit running back along it into the round breather hole, the heel clipped
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/// at the back.
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#[test]
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fn the_pen_nib_has_a_slit_and_a_breather_hole() {
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for ppp in [1.0f32, 2.0] {
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let img = rasterize(Cursor::PenDrawing, ppp).expect("a bitmap");
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let [hx, hy] = img.hotspot.map(usize::from);
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let at = |x: f32, y: f32| {
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let (px, py) = ((hx as f32 + x * ppp) as usize, (hy as f32 + y * ppp) as usize);
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if px < img.size[0] as usize && py < img.size[1] as usize { pixel(&img, px, py) } else { [0; 4] }
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};
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// The breather hole, ~12 points along the axis ((4.6, 10.9) on screen): fully white.
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let hole = at(4.6, 10.9);
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assert!(hole[3] > 200 && hole[0] > 192, "the breather hole at {ppp}: {hole:?}");
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// The slit on the way to the hole: white over a black field.
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let slit = at(2.4, 5.5);
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assert!(slit[3] > 40 && slit[0] > 128, "the slit at {ppp}: {slit:?}");
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// The body past the hole is solid ink.
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let body = at(5.5, 12.9);
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assert!(body[3] > 200 && body[0] < 64, "the nib's body at {ppp}: {body:?}");
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// The heel's corners carry ink out near the bitmap's edge.
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for (x, y) in [(8.8f32, 13.1), (3.3, 15.4)] {
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let corner = at(x, y);
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assert!(corner[3] > 0, "a heel corner at {ppp} ({x}, {y}): {corner:?}");
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}
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}
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}
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/// The Pen drawing a path is the same nib as the new-path Pen, without the asterisk.
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#[test]
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fn the_drawing_pen_has_no_new_path_asterisk() {
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for ppp in [1.0, 2.0] {
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let (new, drawing) = (rasterize(Cursor::Pen, ppp).unwrap(), rasterize(Cursor::PenDrawing, ppp).unwrap());
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assert_eq!(new.hotspot, drawing.hotspot, "at {ppp}");
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// The asterisk's center, 16 × 15 points from the hotspot.
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let at = |img: &CustomCursorImage| {
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let [hx, hy] = img.hotspot.map(usize::from);
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let (x, y) = (hx + (16.0 * ppp) as usize, hy + (15.0 * ppp) as usize);
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if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y)[3] } else { 0 }
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};
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assert_eq!(at(&new), 255, "the new-path Pen has its asterisk at {ppp}");
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assert_eq!(at(&drawing), 0, "the drawing Pen has no badge at {ppp}");
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// The nib is the same.
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let [hx, hy] = drawing.hotspot.map(usize::from);
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let nib = (hx + (8.0 * ppp) as usize, hy + (8.0 * ppp) as usize);
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assert_eq!(pixel(&new, nib.0, nib.1), pixel(&drawing, nib.0, nib.1), "at {ppp}");
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}
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}
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/// The Pencil's and the Paintbrush's closing cursors are the crosshair those tools show, with a
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/// ring below right.
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#[test]
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fn the_closing_cursors_are_the_crosshair_with_a_ring() {
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for ppp in [1.0, 2.0] {
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let cross = rasterize(Cursor::Crosshair, ppp).unwrap();
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for c in [Cursor::PencilClose, Cursor::PaintbrushClose] {
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let img = rasterize(c, ppp).unwrap();
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assert_eq!(img.hotspot, cross.hotspot, "{c:?} at {ppp}");
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let [hx, hy] = img.hotspot.map(usize::from);
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let at = |img: &CustomCursorImage, dx: f32, dy: f32| {
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let (x, y) = ((hx as f32 + dx * ppp) as usize, (hy as f32 + dy * ppp) as usize);
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if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y) } else { [0; 4] }
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};
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// Black pixels in the square 4 to 12 points right of and below the hotspot, clear of the arms.
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let ring_ink = |img: &CustomCursorImage| {
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let steps = (8.0 * ppp) as usize;
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(0..steps * steps)
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.filter(|i| {
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let p = at(img, 4.0 + (i % steps) as f32 / ppp, 4.0 + (i / steps) as f32 / ppp);
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p[3] > 200 && p[0] < 64
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})
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.count()
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};
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assert!(ring_ink(&img) > 0, "{c:?} has its ring at {ppp}");
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assert_eq!(ring_ink(&cross), 0, "the crosshair has no ring at {ppp}");
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assert_eq!(at(&img, 8.0, 8.0)[3], 0, "{c:?}'s ring is hollow at {ppp}");
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// The arms are the crosshair's.
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assert_eq!(at(&img, -6.0, 0.0), at(&cross, -6.0, 0.0), "{c:?} at {ppp}");
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}
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}
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}
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/// The Pencil's new-path cursor is the crosshair with a small star below right, where the
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/// closing cursor's ring is hollow and the straight-line cursor has a single line.
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#[test]
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fn the_pencil_new_path_cursor_is_the_crosshair_with_a_star() {
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for ppp in [1.0, 2.0] {
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let cross = rasterize(Cursor::Crosshair, ppp).unwrap();
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let img = rasterize(Cursor::PencilNew, ppp).unwrap();
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let ring = rasterize(Cursor::PencilClose, ppp).unwrap();
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let straight = rasterize(Cursor::PencilStraight, ppp).unwrap();
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assert_eq!(img.hotspot, cross.hotspot, "at {ppp}");
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let at = |img: &CustomCursorImage, dx: f32, dy: f32| {
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let [hx, hy] = img.hotspot.map(usize::from);
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let (x, y) = ((hx as f32 + dx * ppp) as usize, (hy as f32 + dy * ppp) as usize);
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if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y) } else { [0; 4] }
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};
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let inked = |p: [u8; 4]| p[3] > 200 && p[0] < 64;
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assert!(inked(at(&img, 8.5, 8.5)), "the star's middle at {ppp}");
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assert_eq!(at(&ring, 8.5, 8.5)[3], 0, "the closing ring is hollow there at {ppp}");
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assert_eq!(at(&cross, 8.5, 8.5)[3], 0, "the crosshair has no badge at {ppp}");
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// Three strokes cross at the middle: the diagonal the straight-line cursor lacks, and the
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// upright one.
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assert!(inked(at(&img, 5.5, 5.5)) && !inked(at(&straight, 5.5, 5.5)), "the second diagonal at {ppp}");
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// At 1 point per pixel the upright stroke covers two pixel columns in gray.
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let dark = |p: [u8; 4]| p[3] > 200 && p[0] < 128;
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let upright = |img: &CustomCursorImage, dy: f32| [7.5, 8.0, 8.5].iter().any(|&dx| dark(at(img, dx, dy)));
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assert!(upright(&img, 4.5) && upright(&img, 11.5), "the upright stroke at {ppp}");
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assert!(!upright(&straight, 4.5) && !upright(&straight, 11.5), "the straight line has none at {ppp}");
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assert_eq!(at(&img, -6.0, 0.0), at(&cross, -6.0, 0.0), "the arms are the crosshair's at {ppp}");
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}
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}
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/// The Pencil's straight-line cursor is the crosshair with a short straight line below right,
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/// through the point where the closing cursor's ring is hollow.
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#[test]
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fn the_pencil_straight_line_cursor_is_the_crosshair_with_a_line() {
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for ppp in [1.0, 2.0] {
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let cross = rasterize(Cursor::Crosshair, ppp).unwrap();
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let img = rasterize(Cursor::PencilStraight, ppp).unwrap();
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let ring = rasterize(Cursor::PencilClose, ppp).unwrap();
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assert_eq!(img.hotspot, cross.hotspot, "at {ppp}");
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let at = |img: &CustomCursorImage, dx: f32, dy: f32| {
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let [hx, hy] = img.hotspot.map(usize::from);
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let (x, y) = ((hx as f32 + dx * ppp) as usize, (hy as f32 + dy * ppp) as usize);
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if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y) } else { [0; 4] }
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};
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let inked = |p: [u8; 4]| p[3] > 200 && p[0] < 64;
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assert!(inked(at(&img, 8.5, 8.5)), "the line crosses the badge's middle at {ppp}");
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assert_eq!(at(&ring, 8.5, 8.5)[3], 0, "the closing ring is hollow there at {ppp}");
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assert_eq!(at(&cross, 8.5, 8.5)[3], 0, "the crosshair has no badge at {ppp}");
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// Along the line, not across it: no ink off its ends.
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assert!(!inked(at(&img, 5.0, 5.0)) && !inked(at(&img, 12.0, 12.0)), "a line, not a cross, at {ppp}");
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assert_ne!(img, ring, "at {ppp}");
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assert_eq!(at(&img, -6.0, 0.0), at(&cross, -6.0, 0.0), "the arms are the crosshair's at {ppp}");
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}
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}
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/// The Pencil's continuation cursor is the straight-line cursor with a filled square on the
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/// line's lower end, beside the line where the straight-line cursor has no ink.
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#[test]
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fn the_pencil_continuation_cursor_is_the_straight_line_cursor_with_an_end_point() {
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for ppp in [1.0, 2.0] {
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let cross = rasterize(Cursor::Crosshair, ppp).unwrap();
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let img = rasterize(Cursor::PencilContinue, ppp).unwrap();
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let straight = rasterize(Cursor::PencilStraight, ppp).unwrap();
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assert_eq!(img.hotspot, cross.hotspot, "at {ppp}");
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let at = |img: &CustomCursorImage, dx: f32, dy: f32| {
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let [hx, hy] = img.hotspot.map(usize::from);
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let (x, y) = ((hx as f32 + dx * ppp) as usize, (hy as f32 + dy * ppp) as usize);
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if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y) } else { [0; 4] }
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};
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let inked = |p: [u8; 4]| p[3] > 200 && p[0] < 64;
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assert!(inked(at(&img, 8.5, 8.5)), "the line crosses the badge's middle at {ppp}");
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assert!(inked(at(&img, 3.5, 13.5)), "the end point's square at {ppp}");
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assert!(!inked(at(&straight, 3.5, 13.5)), "the straight-line cursor has no end point at {ppp}");
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assert!(!inked(at(&img, 12.0, 12.0)), "a line, not a cross, at {ppp}");
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assert_eq!(at(&img, -6.0, 0.0), at(&cross, -6.0, 0.0), "the arms are the crosshair's at {ppp}");
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}
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}
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|
||||
#[test]
|
||||
fn each_bitmap_is_made_once_so_the_os_cursor_is_kept() {
|
||||
let mut images = Images::default();
|
||||
let a = images.get(Cursor::Pen, 1.5).unwrap();
|
||||
let b = images.get(Cursor::Pen, 1.5).unwrap();
|
||||
assert!(Arc::ptr_eq(&a.rgba, &b.rgba));
|
||||
assert!(!Arc::ptr_eq(&a.rgba, &images.get(Cursor::Pen, 2.0).unwrap().rgba));
|
||||
assert!(images.get(Cursor::NotAllowed, 1.5).is_none());
|
||||
assert!(images.get(Cursor::Arrow, f32::NAN).is_none());
|
||||
assert_eq!(images.0.len(), 2);
|
||||
}
|
||||
|
||||
/// One headless 800×600 frame of the whole window, a tenth of a second after the last.
|
||||
fn frame(app: &mut VectorcraftApp, ctx: &egui::Context, events: Vec<egui::Event>) -> egui::FullOutput {
|
||||
let time = Some(ctx.input(|i| i.time) + 0.1);
|
||||
let raw = egui::RawInput { screen_rect: Some(egui::Rect::from_min_size(Pos2::ZERO, vec2(800.0, 600.0))), time, events, ..Default::default() };
|
||||
let mut out = ctx.run_ui(raw, |ui| {
|
||||
app.logic(ui.ctx());
|
||||
app.ui(ui);
|
||||
});
|
||||
out.textures_delta.clear();
|
||||
out
|
||||
}
|
||||
|
||||
/// One [`frame`] with `focused` set: true for a window that has the focus, false while another app
|
||||
/// or a sheet has it.
|
||||
fn focus_frame(app: &mut VectorcraftApp, ctx: &egui::Context, focused: bool, events: Vec<egui::Event>) -> egui::FullOutput {
|
||||
let time = Some(ctx.input(|i| i.time) + 0.1);
|
||||
let screen_rect = Some(egui::Rect::from_min_size(Pos2::ZERO, vec2(800.0, 600.0)));
|
||||
let raw = egui::RawInput { screen_rect, time, focused, events, ..Default::default() };
|
||||
let mut out = ctx.run_ui(raw, |ui| {
|
||||
app.logic(ui.ctx());
|
||||
app.ui(ui);
|
||||
});
|
||||
out.textures_delta.clear();
|
||||
out
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn the_canvas_hands_the_tool_cursor_to_the_os_and_idles_while_the_pointer_rests() {
|
||||
let mut app = VectorcraftApp::new(Session::new(), Default::default());
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let canvas = app.canvas_rect.unwrap();
|
||||
let over = canvas.center();
|
||||
let out = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(over)]);
|
||||
if OS_CURSORS {
|
||||
let img = out.platform_output.cursor_image.as_ref().expect("the Selection tool's arrow as an OS cursor");
|
||||
assert_eq!(img, &app.canvas.cursors.get(Cursor::Arrow, 1.0).unwrap());
|
||||
// Where the OS can't show the bitmap, its system cursor.
|
||||
assert_eq!(out.platform_output.cursor_icon, egui::CursorIcon::Default);
|
||||
} else {
|
||||
assert_eq!(out.platform_output.cursor_icon, egui::CursorIcon::None);
|
||||
}
|
||||
// The same bitmap while the pointer moves (the OS keeps its cursor), and an idle window
|
||||
// once it rests: no frame is asked for.
|
||||
let next = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(over + vec2(5.0, 3.0))]);
|
||||
if OS_CURSORS {
|
||||
assert!(Arc::ptr_eq(&next.platform_output.cursor_image.unwrap().rgba, &out.platform_output.cursor_image.unwrap().rgba));
|
||||
}
|
||||
let mut idle = frame(&mut app, &ctx, vec![]);
|
||||
for _ in 0..3 {
|
||||
idle = frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let delay = idle.viewport_output.get(&egui::ViewportId::ROOT).map(|v| v.repaint_delay).unwrap();
|
||||
assert!(delay > std::time::Duration::from_millis(100), "{delay:?} {:?}", ctx.repaint_causes());
|
||||
// Off the canvas, the panels' cursors.
|
||||
let off = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(Pos2::new(canvas.left() - 20.0, canvas.center().y))]);
|
||||
assert!(off.platform_output.cursor_image.is_none());
|
||||
}
|
||||
|
||||
/// On Wayland the glyph is painted and the pointer hidden over the canvas, on every build (#1645).
|
||||
#[test]
|
||||
fn a_wayland_window_paints_the_tool_cursor() {
|
||||
let mut app = VectorcraftApp::new(Session::new(), crate::Services { wayland: true, ..Default::default() });
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let over = app.canvas_rect.unwrap().center();
|
||||
let out = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(over)]);
|
||||
assert!(out.platform_output.cursor_image.is_none());
|
||||
assert_eq!(out.platform_output.cursor_icon, egui::CursorIcon::None);
|
||||
}
|
||||
|
||||
/// Without a cursor theme the canvas keeps the system pointer visible (#2450).
|
||||
#[test]
|
||||
fn no_cursor_theme_keeps_the_system_pointer() {
|
||||
assert!(!hide_system_pointer(true));
|
||||
assert!(hide_system_pointer(false));
|
||||
let mut app = VectorcraftApp::new(Session::new(), crate::Services { wayland: true, no_cursor_theme: true, ..Default::default() });
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let over = app.canvas_rect.unwrap().center();
|
||||
let out = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(over)]);
|
||||
assert_ne!(out.platform_output.cursor_icon, egui::CursorIcon::None);
|
||||
}
|
||||
|
||||
/// On macOS a window without the focus shows the system pointer over the canvas, and the glyph
|
||||
/// is not painted next to it (#2020). With the focus back, the canvas sets `CursorIcon::None` again
|
||||
/// on the next frame, without a pointer move.
|
||||
#[test]
|
||||
fn a_window_without_the_focus_shows_the_system_cursor_alone_on_macos() {
|
||||
// Wayland: every desktop build paints the glyphs.
|
||||
let mut app = VectorcraftApp::new(Session::new(), crate::Services { wayland: true, ..Default::default() });
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
app.run("tool.select", json!({"tool": "rectangle"})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let over = app.canvas_rect.unwrap().center();
|
||||
let key = focus_frame(&mut app, &ctx, true, vec![egui::Event::PointerMoved(over)]);
|
||||
assert_eq!(key.platform_output.cursor_icon, egui::CursorIcon::None, "with the focus: the glyph alone");
|
||||
let away = focus_frame(&mut app, &ctx, false, vec![egui::Event::WindowFocused(false), egui::Event::PointerMoved(over + vec2(5.0, 3.0))]);
|
||||
if HIDES_ONLY_WHEN_KEY {
|
||||
assert_eq!(away.platform_output.cursor_icon, egui::CursorIcon::Crosshair, "macOS without the focus: the system pointer alone");
|
||||
} else {
|
||||
assert_eq!(away.platform_output.cursor_icon, egui::CursorIcon::None, "other platforms: the glyph without the focus too");
|
||||
}
|
||||
let back = focus_frame(&mut app, &ctx, true, vec![egui::Event::WindowFocused(true)]);
|
||||
assert_eq!(back.platform_output.cursor_icon, egui::CursorIcon::None, "the focus back: the glyph alone");
|
||||
}
|
||||
|
||||
/// User Interface › Scale Cursor Proportional to UI (#394): off, the tool cursors keep their
|
||||
/// size whatever the UI Scaling; on, they grow with it.
|
||||
#[test]
|
||||
fn tool_cursors_scale_with_the_ui_only_when_asked() {
|
||||
let mut app = VectorcraftApp::new(Session::new(), Default::default());
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
app.run("prefs.set", json!({"key": "uiScaling", "value": 2.0})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
assert_eq!(ctx.zoom_factor(), 2.0);
|
||||
let over = app.canvas_rect.unwrap().center();
|
||||
let shown =
|
||||
|app: &mut VectorcraftApp, d: f32| frame(app, &ctx, vec![egui::Event::PointerMoved(over + vec2(d, 0.0))]).platform_output.cursor_image;
|
||||
if OS_CURSORS {
|
||||
assert_eq!(shown(&mut app, 0.0).unwrap(), app.canvas.cursors.get(Cursor::Arrow, 1.0).unwrap(), "off: its own size");
|
||||
app.run("prefs.set", json!({"key": "scaleCursorWithUi", "value": true})).unwrap();
|
||||
assert_eq!(shown(&mut app, 4.0).unwrap(), app.canvas.cursors.get(Cursor::Arrow, 2.0).unwrap(), "on: twice as big");
|
||||
}
|
||||
// Painted into the window (macOS, the web), the glyph is drawn at the scale asked for, its
|
||||
// hotspot where the pointer is.
|
||||
let painted = |scale: f32| {
|
||||
let ctx = egui::Context::default();
|
||||
let mut out = ctx.run_ui(egui::RawInput::default(), |ui| {
|
||||
let layer = egui::LayerId::new(egui::Order::Tooltip, egui::Id::unique("probe"));
|
||||
assert!(paint(&ui.ctx().layer_painter(layer), Cursor::Arrow, pos2(100.0, 100.0), scale));
|
||||
});
|
||||
out.textures_delta.clear();
|
||||
out.textures_delta.clear();
|
||||
out.shapes.iter().fold(egui::Rect::NOTHING, |r, c| r.union(c.shape.visual_bounding_rect()))
|
||||
};
|
||||
let (full, half) = (painted(1.0), painted(0.5));
|
||||
assert!((half.height() * 2.0 - full.height()).abs() < 1.5 && full.height() > 15.0, "{full:?} {half:?}");
|
||||
assert!(full.contains(pos2(100.0, 100.0)) && half.contains(pos2(100.0, 100.0)), "{full:?} {half:?}");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn wayland_windows_paint_the_glyphs() {
|
||||
assert!(os_cursors(true, false), "Windows, X11");
|
||||
assert!(!os_cursors(true, true), "Wayland: the compositor would size the bitmap (#1645)");
|
||||
assert!(!os_cursors(false, false) && !os_cursors(false, true), "macOS, the web");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn macos_windows_paint_the_glyphs_only_with_the_focus() {
|
||||
assert!(paint_glyphs(true, true), "macOS with the focus");
|
||||
assert!(!paint_glyphs(true, false), "macOS without the focus: the system pointer shows (#2020)");
|
||||
assert!(paint_glyphs(false, true) && paint_glyphs(false, false), "Wayland, the web: painted with the focus or without");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn arrow_hotspot_is_tip() {
|
||||
let pts = arrow_points(pos2(10.0, 20.0));
|
||||
assert_eq!(pts[0], pos2(10.0, 20.0));
|
||||
assert!(pts.iter().all(|q| q.x >= 10.0 && q.y >= 20.0));
|
||||
}
|
||||
}
|
||||
mod tests;
|
||||
|
||||
@@ -0,0 +1,482 @@
|
||||
use std::sync::Arc;
|
||||
|
||||
use super::*;
|
||||
use serde_json::json;
|
||||
use vectorcraft_engine::Session;
|
||||
|
||||
use crate::VectorcraftApp;
|
||||
|
||||
/// The straight RGBA of pixel (x, y).
|
||||
fn pixel(img: &CustomCursorImage, x: usize, y: usize) -> [u8; 4] {
|
||||
let i = (y * img.size[0] as usize + x) * 4;
|
||||
[img.rgba[i], img.rgba[i + 1], img.rgba[i + 2], img.rgba[i + 3]]
|
||||
}
|
||||
|
||||
/// The Anchor Point caret's hotspot is the middle of its hollow square: white there, with the
|
||||
/// square's ink a few points above it.
|
||||
#[test]
|
||||
fn anchor_point_hotspot_is_inside_its_square() {
|
||||
for ppp in [1.0f32, 2.0] {
|
||||
let img = rasterize(Cursor::AnchorPoint, ppp).expect("anchor point has a bitmap");
|
||||
let [hx, hy] = img.hotspot.map(usize::from);
|
||||
assert_eq!(pixel(&img, hx, hy), [255, 255, 255, 255], "hollow at the hotspot at {ppp}x");
|
||||
let reach = (4.0 * ppp).round() as usize;
|
||||
let inked = (1..=reach.min(hy)).any(|d| {
|
||||
let p = pixel(&img, hx, hy - d);
|
||||
p[0] < 64 && p[3] > 200
|
||||
});
|
||||
assert!(inked, "ink on the square's top edge within 4 points above the hotspot at {ppp}x");
|
||||
}
|
||||
}
|
||||
|
||||
/// Direct Selection's anchor square is hollow over an unselected path and filled over a
|
||||
/// selected one; the arrow stays white. The Reshape Segment and copy arrowheads are black and
|
||||
/// Group Selection's arrow white, just inside their tips.
|
||||
#[test]
|
||||
fn selection_arrows_are_white_or_black() {
|
||||
let at = |img: &CustomCursorImage, x: f32, y: f32, ppp: f32| {
|
||||
let [hx, hy] = img.hotspot.map(usize::from);
|
||||
pixel(img, hx + (x * ppp).round() as usize, hy + (y * ppp).round() as usize)
|
||||
};
|
||||
for ppp in [1.0f32, 2.0] {
|
||||
for c in [Cursor::DirectAnchor, Cursor::DirectAnchorSelected] {
|
||||
let img = rasterize(c, ppp).expect("a bitmap");
|
||||
let tip = at(&img, 1.5, 6.0, ppp);
|
||||
assert!(tip[0] > 192 && tip[3] > 200, "{c:?}'s arrow is white at {ppp}x: {tip:?}");
|
||||
}
|
||||
// Same arrow, so the filled square shows as more ink than the hollow one.
|
||||
let ink = |c| {
|
||||
let img = rasterize(c, ppp).expect("a bitmap");
|
||||
img.rgba.as_chunks::<4>().0.iter().filter(|p| p[0] < 64 && p[3] > 200).count()
|
||||
};
|
||||
let (hollow, filled) = (ink(Cursor::DirectAnchor), ink(Cursor::DirectAnchorSelected));
|
||||
assert!(filled > hollow, "the selected path's square is filled at {ppp}x: {filled} vs {hollow}");
|
||||
for (c, white) in [(Cursor::ReshapeSegment, false), (Cursor::SelectionCopy, false), (Cursor::GroupSelection, true)] {
|
||||
let img = rasterize(c, ppp).expect("a bitmap");
|
||||
let tip = at(&img, 1.5, 6.0, ppp);
|
||||
assert_eq!(tip[0] > 192, white, "{c:?} at {ppp}x: {tip:?}");
|
||||
assert!(tip[3] > 200, "{c:?} at {ppp}x: {tip:?}");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn a_cursor_not_drawn_yet_looks_like_the_one_it_borrows() {
|
||||
for c in GLYPHS {
|
||||
let Some(stand_in) = c.stand_in() else { continue };
|
||||
assert_eq!(rasterize(c, 2.0), rasterize(stand_in, 2.0), "{c:?} borrows {stand_in:?}");
|
||||
}
|
||||
}
|
||||
|
||||
/// Loaded text after a click on the overflow out port is a text-block glyph, not the I-beam.
|
||||
#[test]
|
||||
fn loaded_text_cursor_is_not_the_text_i_beam() {
|
||||
assert!(Cursor::LoadedText.stand_in().is_none());
|
||||
let loaded = rasterize(Cursor::LoadedText, 2.0).expect("loaded text bitmap");
|
||||
let ibeam = rasterize(Cursor::Text, 2.0).expect("text bitmap");
|
||||
assert_ne!(loaded.rgba, ibeam.rgba);
|
||||
let [hx, hy] = loaded.hotspot.map(usize::from);
|
||||
assert!(pixel(&loaded, hx, hy)[3] > 200, "hotspot lies on the drawn frame");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn every_glyph_becomes_a_bitmap_with_its_hotspot_inside() {
|
||||
for ppp in [1.0, 1.25, 1.5, 2.0, 3.0] {
|
||||
for c in GLYPHS {
|
||||
let img = rasterize(c, ppp).unwrap_or_else(|| panic!("{c:?} at {ppp}"));
|
||||
let [w, h] = img.size.map(usize::from);
|
||||
assert_eq!(img.rgba.len(), w * h * 4, "{c:?}");
|
||||
assert!(img.hotspot[0] < img.size[0] && img.hotspot[1] < img.size[1], "{c:?} at {ppp}: {img:?}");
|
||||
assert!(w as f32 <= 50.0 * ppp && h as f32 <= 50.0 * ppp, "{c:?} at {ppp}: {img:?}");
|
||||
assert!(img.rgba.as_chunks::<4>().0.iter().any(|p| p[3] == 255), "{c:?}: nothing opaque");
|
||||
}
|
||||
// #1269: the normal Eyedropper is a pipette, with its tip at the hotspot; only
|
||||
// Use Precise Cursors turns it into a crosshair.
|
||||
let dropper = rasterize(Cursor::Eyedropper, ppp).unwrap();
|
||||
let precise = rasterize(Cursor::Eyedropper.precise(), ppp).unwrap();
|
||||
assert_ne!(dropper, precise, "Eyedropper must be distinguishable from its precise cursor at {ppp}");
|
||||
let [hx, hy] = dropper.hotspot.map(usize::from);
|
||||
let halo = (3.0 * ppp).ceil(); // The bitmap bounds round out to whole physical pixels.
|
||||
assert!(hx as f32 <= halo && f32::from(dropper.size[1]) - hy as f32 <= halo, "the tip is at the lower-left: {dropper:?}");
|
||||
assert!(pixel(&dropper, hx, hy)[3] > 0, "the tip covers the hotspot at {ppp}");
|
||||
}
|
||||
assert!(rasterize(Cursor::NotAllowed, 1.0).is_none(), "the busy states stay system cursors");
|
||||
assert!(rasterize(Cursor::Busy, 1.0).is_none());
|
||||
assert!(rasterize(Cursor::ScissorsNotAllowed, 1.0).is_none(), "until it's drawn it borrows the system not-allowed cursor");
|
||||
for ppp in [0.0, -1.0, f32::NAN, f32::INFINITY, 1e9] {
|
||||
assert!(rasterize(Cursor::Arrow, ppp).is_none(), "{ppp}");
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn the_arrow_bitmap_is_black_in_a_white_halo_with_the_tip_on_the_hotspot() {
|
||||
let img = rasterize(Cursor::Arrow, 1.0).unwrap();
|
||||
let [hx, hy] = img.hotspot.map(usize::from);
|
||||
// The tip covers the hotspot's pixel; the body is solid black, the outline's halo white.
|
||||
assert!(pixel(&img, hx, hy)[3] > 0, "{:?}", pixel(&img, hx, hy));
|
||||
let body = pixel(&img, hx + 2, hy + 8);
|
||||
assert!(body[3] == 255 && body[..3].iter().all(|&c| c < 40), "{body:?}");
|
||||
assert!(img.rgba.as_chunks::<4>().0.iter().any(|p| p[3] == 255 && p[..3].iter().all(|&c| c > 215)), "no white halo");
|
||||
// Nothing left of or above the tip but the halo.
|
||||
assert!((0..img.size[1] as usize).all(|y| pixel(&img, 0, y)[..3].iter().all(|&c| c > 100) || pixel(&img, 0, y)[3] < 128));
|
||||
// At twice the pixels per point, twice the pixels.
|
||||
let big = rasterize(Cursor::Arrow, 2.0).unwrap();
|
||||
for i in 0..2 {
|
||||
let ratio = f32::from(big.size[i]) / f32::from(img.size[i]);
|
||||
assert!((1.8..=2.2).contains(&ratio), "{:?} vs {:?}", big.size, img.size);
|
||||
}
|
||||
let [bx, by] = big.hotspot.map(usize::from);
|
||||
let body = pixel(&big, bx + 4, by + 16);
|
||||
assert!(body[3] == 255 && body[..3].iter().all(|&c| c < 40), "{body:?}");
|
||||
}
|
||||
|
||||
/// The pen nib is a fountain pen's lying along the selection arrow's axis: its point on the
|
||||
/// hotspot, the slit running back along it into the round breather hole, the heel clipped
|
||||
/// at the back.
|
||||
#[test]
|
||||
fn the_pen_nib_has_a_slit_and_a_breather_hole() {
|
||||
for ppp in [1.0f32, 2.0] {
|
||||
let img = rasterize(Cursor::PenDrawing, ppp).expect("a bitmap");
|
||||
let [hx, hy] = img.hotspot.map(usize::from);
|
||||
let at = |x: f32, y: f32| {
|
||||
let (px, py) = ((hx as f32 + x * ppp) as usize, (hy as f32 + y * ppp) as usize);
|
||||
if px < img.size[0] as usize && py < img.size[1] as usize { pixel(&img, px, py) } else { [0; 4] }
|
||||
};
|
||||
// The breather hole, ~12 points along the axis ((4.6, 10.9) on screen): fully white.
|
||||
let hole = at(4.6, 10.9);
|
||||
assert!(hole[3] > 200 && hole[0] > 192, "the breather hole at {ppp}: {hole:?}");
|
||||
// The slit on the way to the hole: white over a black field.
|
||||
let slit = at(2.4, 5.5);
|
||||
assert!(slit[3] > 40 && slit[0] > 128, "the slit at {ppp}: {slit:?}");
|
||||
// The body past the hole is solid ink.
|
||||
let body = at(5.5, 12.9);
|
||||
assert!(body[3] > 200 && body[0] < 64, "the nib's body at {ppp}: {body:?}");
|
||||
// The heel's corners carry ink out near the bitmap's edge.
|
||||
for (x, y) in [(8.8f32, 13.1), (3.3, 15.4)] {
|
||||
let corner = at(x, y);
|
||||
assert!(corner[3] > 0, "a heel corner at {ppp} ({x}, {y}): {corner:?}");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// The Pen drawing a path is the same nib as the new-path Pen, without the asterisk.
|
||||
#[test]
|
||||
fn the_drawing_pen_has_no_new_path_asterisk() {
|
||||
for ppp in [1.0, 2.0] {
|
||||
let (new, drawing) = (rasterize(Cursor::Pen, ppp).unwrap(), rasterize(Cursor::PenDrawing, ppp).unwrap());
|
||||
assert_eq!(new.hotspot, drawing.hotspot, "at {ppp}");
|
||||
// The asterisk's center, 16 × 15 points from the hotspot.
|
||||
let at = |img: &CustomCursorImage| {
|
||||
let [hx, hy] = img.hotspot.map(usize::from);
|
||||
let (x, y) = (hx + (16.0 * ppp) as usize, hy + (15.0 * ppp) as usize);
|
||||
if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y)[3] } else { 0 }
|
||||
};
|
||||
assert_eq!(at(&new), 255, "the new-path Pen has its asterisk at {ppp}");
|
||||
assert_eq!(at(&drawing), 0, "the drawing Pen has no badge at {ppp}");
|
||||
// The nib is the same.
|
||||
let [hx, hy] = drawing.hotspot.map(usize::from);
|
||||
let nib = (hx + (8.0 * ppp) as usize, hy + (8.0 * ppp) as usize);
|
||||
assert_eq!(pixel(&new, nib.0, nib.1), pixel(&drawing, nib.0, nib.1), "at {ppp}");
|
||||
}
|
||||
}
|
||||
|
||||
/// The Pencil's and the Paintbrush's closing cursors are the crosshair those tools show, with a
|
||||
/// ring below right.
|
||||
#[test]
|
||||
fn the_closing_cursors_are_the_crosshair_with_a_ring() {
|
||||
for ppp in [1.0, 2.0] {
|
||||
let cross = rasterize(Cursor::Crosshair, ppp).unwrap();
|
||||
for c in [Cursor::PencilClose, Cursor::PaintbrushClose] {
|
||||
let img = rasterize(c, ppp).unwrap();
|
||||
assert_eq!(img.hotspot, cross.hotspot, "{c:?} at {ppp}");
|
||||
let [hx, hy] = img.hotspot.map(usize::from);
|
||||
let at = |img: &CustomCursorImage, dx: f32, dy: f32| {
|
||||
let (x, y) = ((hx as f32 + dx * ppp) as usize, (hy as f32 + dy * ppp) as usize);
|
||||
if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y) } else { [0; 4] }
|
||||
};
|
||||
// Black pixels in the square 4 to 12 points right of and below the hotspot, clear of the arms.
|
||||
let ring_ink = |img: &CustomCursorImage| {
|
||||
let steps = (8.0 * ppp) as usize;
|
||||
(0..steps * steps)
|
||||
.filter(|i| {
|
||||
let p = at(img, 4.0 + (i % steps) as f32 / ppp, 4.0 + (i / steps) as f32 / ppp);
|
||||
p[3] > 200 && p[0] < 64
|
||||
})
|
||||
.count()
|
||||
};
|
||||
assert!(ring_ink(&img) > 0, "{c:?} has its ring at {ppp}");
|
||||
assert_eq!(ring_ink(&cross), 0, "the crosshair has no ring at {ppp}");
|
||||
assert_eq!(at(&img, 8.0, 8.0)[3], 0, "{c:?}'s ring is hollow at {ppp}");
|
||||
// The arms are the crosshair's.
|
||||
assert_eq!(at(&img, -6.0, 0.0), at(&cross, -6.0, 0.0), "{c:?} at {ppp}");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// The Pencil's new-path cursor is the crosshair with a small star below right, where the
|
||||
/// closing cursor's ring is hollow and the straight-line cursor has a single line.
|
||||
#[test]
|
||||
fn the_pencil_new_path_cursor_is_the_crosshair_with_a_star() {
|
||||
for ppp in [1.0, 2.0] {
|
||||
let cross = rasterize(Cursor::Crosshair, ppp).unwrap();
|
||||
let img = rasterize(Cursor::PencilNew, ppp).unwrap();
|
||||
let ring = rasterize(Cursor::PencilClose, ppp).unwrap();
|
||||
let straight = rasterize(Cursor::PencilStraight, ppp).unwrap();
|
||||
assert_eq!(img.hotspot, cross.hotspot, "at {ppp}");
|
||||
let at = |img: &CustomCursorImage, dx: f32, dy: f32| {
|
||||
let [hx, hy] = img.hotspot.map(usize::from);
|
||||
let (x, y) = ((hx as f32 + dx * ppp) as usize, (hy as f32 + dy * ppp) as usize);
|
||||
if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y) } else { [0; 4] }
|
||||
};
|
||||
let inked = |p: [u8; 4]| p[3] > 200 && p[0] < 64;
|
||||
assert!(inked(at(&img, 8.5, 8.5)), "the star's middle at {ppp}");
|
||||
assert_eq!(at(&ring, 8.5, 8.5)[3], 0, "the closing ring is hollow there at {ppp}");
|
||||
assert_eq!(at(&cross, 8.5, 8.5)[3], 0, "the crosshair has no badge at {ppp}");
|
||||
// Three strokes cross at the middle: the diagonal the straight-line cursor lacks, and the
|
||||
// upright one.
|
||||
assert!(inked(at(&img, 5.5, 5.5)) && !inked(at(&straight, 5.5, 5.5)), "the second diagonal at {ppp}");
|
||||
// At 1 point per pixel the upright stroke covers two pixel columns in gray.
|
||||
let dark = |p: [u8; 4]| p[3] > 200 && p[0] < 128;
|
||||
let upright = |img: &CustomCursorImage, dy: f32| [7.5, 8.0, 8.5].iter().any(|&dx| dark(at(img, dx, dy)));
|
||||
assert!(upright(&img, 4.5) && upright(&img, 11.5), "the upright stroke at {ppp}");
|
||||
assert!(!upright(&straight, 4.5) && !upright(&straight, 11.5), "the straight line has none at {ppp}");
|
||||
assert_eq!(at(&img, -6.0, 0.0), at(&cross, -6.0, 0.0), "the arms are the crosshair's at {ppp}");
|
||||
}
|
||||
}
|
||||
|
||||
/// The Pencil's straight-line cursor is the crosshair with a short straight line below right,
|
||||
/// through the point where the closing cursor's ring is hollow.
|
||||
#[test]
|
||||
fn the_pencil_straight_line_cursor_is_the_crosshair_with_a_line() {
|
||||
for ppp in [1.0, 2.0] {
|
||||
let cross = rasterize(Cursor::Crosshair, ppp).unwrap();
|
||||
let img = rasterize(Cursor::PencilStraight, ppp).unwrap();
|
||||
let ring = rasterize(Cursor::PencilClose, ppp).unwrap();
|
||||
assert_eq!(img.hotspot, cross.hotspot, "at {ppp}");
|
||||
let at = |img: &CustomCursorImage, dx: f32, dy: f32| {
|
||||
let [hx, hy] = img.hotspot.map(usize::from);
|
||||
let (x, y) = ((hx as f32 + dx * ppp) as usize, (hy as f32 + dy * ppp) as usize);
|
||||
if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y) } else { [0; 4] }
|
||||
};
|
||||
let inked = |p: [u8; 4]| p[3] > 200 && p[0] < 64;
|
||||
assert!(inked(at(&img, 8.5, 8.5)), "the line crosses the badge's middle at {ppp}");
|
||||
assert_eq!(at(&ring, 8.5, 8.5)[3], 0, "the closing ring is hollow there at {ppp}");
|
||||
assert_eq!(at(&cross, 8.5, 8.5)[3], 0, "the crosshair has no badge at {ppp}");
|
||||
// Along the line, not across it: no ink off its ends.
|
||||
assert!(!inked(at(&img, 5.0, 5.0)) && !inked(at(&img, 12.0, 12.0)), "a line, not a cross, at {ppp}");
|
||||
assert_ne!(img, ring, "at {ppp}");
|
||||
assert_eq!(at(&img, -6.0, 0.0), at(&cross, -6.0, 0.0), "the arms are the crosshair's at {ppp}");
|
||||
}
|
||||
}
|
||||
|
||||
/// The Pencil's continuation cursor is the straight-line cursor with a filled square on the
|
||||
/// line's lower end, beside the line where the straight-line cursor has no ink.
|
||||
#[test]
|
||||
fn the_pencil_continuation_cursor_is_the_straight_line_cursor_with_an_end_point() {
|
||||
for ppp in [1.0, 2.0] {
|
||||
let cross = rasterize(Cursor::Crosshair, ppp).unwrap();
|
||||
let img = rasterize(Cursor::PencilContinue, ppp).unwrap();
|
||||
let straight = rasterize(Cursor::PencilStraight, ppp).unwrap();
|
||||
assert_eq!(img.hotspot, cross.hotspot, "at {ppp}");
|
||||
let at = |img: &CustomCursorImage, dx: f32, dy: f32| {
|
||||
let [hx, hy] = img.hotspot.map(usize::from);
|
||||
let (x, y) = ((hx as f32 + dx * ppp) as usize, (hy as f32 + dy * ppp) as usize);
|
||||
if x < img.size[0] as usize && y < img.size[1] as usize { pixel(img, x, y) } else { [0; 4] }
|
||||
};
|
||||
let inked = |p: [u8; 4]| p[3] > 200 && p[0] < 64;
|
||||
assert!(inked(at(&img, 8.5, 8.5)), "the line crosses the badge's middle at {ppp}");
|
||||
assert!(inked(at(&img, 3.5, 13.5)), "the end point's square at {ppp}");
|
||||
assert!(!inked(at(&straight, 3.5, 13.5)), "the straight-line cursor has no end point at {ppp}");
|
||||
assert!(!inked(at(&img, 12.0, 12.0)), "a line, not a cross, at {ppp}");
|
||||
assert_eq!(at(&img, -6.0, 0.0), at(&cross, -6.0, 0.0), "the arms are the crosshair's at {ppp}");
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn each_bitmap_is_made_once_so_the_os_cursor_is_kept() {
|
||||
let mut images = Images::default();
|
||||
let a = images.get(Cursor::Pen, 1.5).unwrap();
|
||||
let b = images.get(Cursor::Pen, 1.5).unwrap();
|
||||
assert!(Arc::ptr_eq(&a.rgba, &b.rgba));
|
||||
assert!(!Arc::ptr_eq(&a.rgba, &images.get(Cursor::Pen, 2.0).unwrap().rgba));
|
||||
assert!(images.get(Cursor::NotAllowed, 1.5).is_none());
|
||||
assert!(images.get(Cursor::Arrow, f32::NAN).is_none());
|
||||
assert_eq!(images.0.len(), 2);
|
||||
}
|
||||
|
||||
/// One headless 800×600 frame of the whole window, a tenth of a second after the last.
|
||||
fn frame(app: &mut VectorcraftApp, ctx: &egui::Context, events: Vec<egui::Event>) -> egui::FullOutput {
|
||||
let time = Some(ctx.input(|i| i.time) + 0.1);
|
||||
let raw = egui::RawInput { screen_rect: Some(egui::Rect::from_min_size(Pos2::ZERO, vec2(800.0, 600.0))), time, events, ..Default::default() };
|
||||
let mut out = ctx.run_ui(raw, |ui| {
|
||||
app.logic(ui.ctx());
|
||||
app.ui(ui);
|
||||
});
|
||||
out.textures_delta.clear();
|
||||
out
|
||||
}
|
||||
|
||||
/// One [`frame`] with `focused` set: true for a window that has the focus, false while another app
|
||||
/// or a sheet has it.
|
||||
fn focus_frame(app: &mut VectorcraftApp, ctx: &egui::Context, focused: bool, events: Vec<egui::Event>) -> egui::FullOutput {
|
||||
let time = Some(ctx.input(|i| i.time) + 0.1);
|
||||
let screen_rect = Some(egui::Rect::from_min_size(Pos2::ZERO, vec2(800.0, 600.0)));
|
||||
let raw = egui::RawInput { screen_rect, time, focused, events, ..Default::default() };
|
||||
let mut out = ctx.run_ui(raw, |ui| {
|
||||
app.logic(ui.ctx());
|
||||
app.ui(ui);
|
||||
});
|
||||
out.textures_delta.clear();
|
||||
out
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn the_canvas_hands_the_tool_cursor_to_the_os_and_idles_while_the_pointer_rests() {
|
||||
let mut app = VectorcraftApp::new(Session::new(), Default::default());
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let canvas = app.canvas_rect.unwrap();
|
||||
let over = canvas.center();
|
||||
let out = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(over)]);
|
||||
if OS_CURSORS {
|
||||
let img = out.platform_output.cursor_image.as_ref().expect("the Selection tool's arrow as an OS cursor");
|
||||
assert_eq!(img, &app.canvas.cursors.get(Cursor::Arrow, 1.0).unwrap());
|
||||
// Where the OS can't show the bitmap, its system cursor.
|
||||
assert_eq!(out.platform_output.cursor_icon, egui::CursorIcon::Default);
|
||||
} else {
|
||||
assert_eq!(out.platform_output.cursor_icon, egui::CursorIcon::None);
|
||||
}
|
||||
// The same bitmap while the pointer moves (the OS keeps its cursor), and an idle window
|
||||
// once it rests: no frame is asked for.
|
||||
let next = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(over + vec2(5.0, 3.0))]);
|
||||
if OS_CURSORS {
|
||||
assert!(Arc::ptr_eq(&next.platform_output.cursor_image.unwrap().rgba, &out.platform_output.cursor_image.unwrap().rgba));
|
||||
}
|
||||
let mut idle = frame(&mut app, &ctx, vec![]);
|
||||
for _ in 0..3 {
|
||||
idle = frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let delay = idle.viewport_output.get(&egui::ViewportId::ROOT).map(|v| v.repaint_delay).unwrap();
|
||||
assert!(delay > std::time::Duration::from_millis(100), "{delay:?} {:?}", ctx.repaint_causes());
|
||||
// Off the canvas, the panels' cursors.
|
||||
let off = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(Pos2::new(canvas.left() - 20.0, canvas.center().y))]);
|
||||
assert!(off.platform_output.cursor_image.is_none());
|
||||
}
|
||||
|
||||
/// On Wayland the glyph is painted and the pointer hidden over the canvas, on every build (#1645).
|
||||
#[test]
|
||||
fn a_wayland_window_paints_the_tool_cursor() {
|
||||
let mut app = VectorcraftApp::new(Session::new(), crate::Services { wayland: true, ..Default::default() });
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let over = app.canvas_rect.unwrap().center();
|
||||
let out = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(over)]);
|
||||
assert!(out.platform_output.cursor_image.is_none());
|
||||
assert_eq!(out.platform_output.cursor_icon, egui::CursorIcon::None);
|
||||
}
|
||||
|
||||
/// Without a cursor theme the canvas keeps the system pointer visible (#2450).
|
||||
#[test]
|
||||
fn no_cursor_theme_keeps_the_system_pointer() {
|
||||
assert!(!hide_system_pointer(true));
|
||||
assert!(hide_system_pointer(false));
|
||||
let mut app = VectorcraftApp::new(Session::new(), crate::Services { wayland: true, no_cursor_theme: true, ..Default::default() });
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let over = app.canvas_rect.unwrap().center();
|
||||
let out = frame(&mut app, &ctx, vec![egui::Event::PointerMoved(over)]);
|
||||
assert_ne!(out.platform_output.cursor_icon, egui::CursorIcon::None);
|
||||
}
|
||||
|
||||
/// On macOS a window without the focus shows the system pointer over the canvas, and the glyph
|
||||
/// is not painted next to it (#2020). With the focus back, the canvas sets `CursorIcon::None` again
|
||||
/// on the next frame, without a pointer move.
|
||||
#[test]
|
||||
fn a_window_without_the_focus_shows_the_system_cursor_alone_on_macos() {
|
||||
// Wayland: every desktop build paints the glyphs.
|
||||
let mut app = VectorcraftApp::new(Session::new(), crate::Services { wayland: true, ..Default::default() });
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
app.run("tool.select", json!({"tool": "rectangle"})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
let over = app.canvas_rect.unwrap().center();
|
||||
let key = focus_frame(&mut app, &ctx, true, vec![egui::Event::PointerMoved(over)]);
|
||||
assert_eq!(key.platform_output.cursor_icon, egui::CursorIcon::None, "with the focus: the glyph alone");
|
||||
let away = focus_frame(&mut app, &ctx, false, vec![egui::Event::WindowFocused(false), egui::Event::PointerMoved(over + vec2(5.0, 3.0))]);
|
||||
if HIDES_ONLY_WHEN_KEY {
|
||||
assert_eq!(away.platform_output.cursor_icon, egui::CursorIcon::Crosshair, "macOS without the focus: the system pointer alone");
|
||||
} else {
|
||||
assert_eq!(away.platform_output.cursor_icon, egui::CursorIcon::None, "other platforms: the glyph without the focus too");
|
||||
}
|
||||
let back = focus_frame(&mut app, &ctx, true, vec![egui::Event::WindowFocused(true)]);
|
||||
assert_eq!(back.platform_output.cursor_icon, egui::CursorIcon::None, "the focus back: the glyph alone");
|
||||
}
|
||||
|
||||
/// User Interface › Scale Cursor Proportional to UI (#394): off, the tool cursors keep their
|
||||
/// size whatever the UI Scaling; on, they grow with it.
|
||||
#[test]
|
||||
fn tool_cursors_scale_with_the_ui_only_when_asked() {
|
||||
let mut app = VectorcraftApp::new(Session::new(), Default::default());
|
||||
app.run("file.new", json!({"width": 400, "height": 300})).unwrap();
|
||||
app.run("prefs.set", json!({"key": "uiScaling", "value": 2.0})).unwrap();
|
||||
let ctx = egui::Context::default();
|
||||
for _ in 0..3 {
|
||||
frame(&mut app, &ctx, vec![]);
|
||||
}
|
||||
assert_eq!(ctx.zoom_factor(), 2.0);
|
||||
let over = app.canvas_rect.unwrap().center();
|
||||
let shown =
|
||||
|app: &mut VectorcraftApp, d: f32| frame(app, &ctx, vec![egui::Event::PointerMoved(over + vec2(d, 0.0))]).platform_output.cursor_image;
|
||||
if OS_CURSORS {
|
||||
assert_eq!(shown(&mut app, 0.0).unwrap(), app.canvas.cursors.get(Cursor::Arrow, 1.0).unwrap(), "off: its own size");
|
||||
app.run("prefs.set", json!({"key": "scaleCursorWithUi", "value": true})).unwrap();
|
||||
assert_eq!(shown(&mut app, 4.0).unwrap(), app.canvas.cursors.get(Cursor::Arrow, 2.0).unwrap(), "on: twice as big");
|
||||
}
|
||||
// Painted into the window (macOS, the web), the glyph is drawn at the scale asked for, its
|
||||
// hotspot where the pointer is.
|
||||
let painted = |scale: f32| {
|
||||
let ctx = egui::Context::default();
|
||||
let mut out = ctx.run_ui(egui::RawInput::default(), |ui| {
|
||||
let layer = egui::LayerId::new(egui::Order::Tooltip, egui::Id::unique("probe"));
|
||||
assert!(paint(&ui.ctx().layer_painter(layer), Cursor::Arrow, pos2(100.0, 100.0), scale));
|
||||
});
|
||||
out.textures_delta.clear();
|
||||
out.textures_delta.clear();
|
||||
out.shapes.iter().fold(egui::Rect::NOTHING, |r, c| r.union(c.shape.visual_bounding_rect()))
|
||||
};
|
||||
let (full, half) = (painted(1.0), painted(0.5));
|
||||
assert!((half.height() * 2.0 - full.height()).abs() < 1.5 && full.height() > 15.0, "{full:?} {half:?}");
|
||||
assert!(full.contains(pos2(100.0, 100.0)) && half.contains(pos2(100.0, 100.0)), "{full:?} {half:?}");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn wayland_windows_paint_the_glyphs() {
|
||||
assert!(os_cursors(true, false), "Windows, X11");
|
||||
assert!(!os_cursors(true, true), "Wayland: the compositor would size the bitmap (#1645)");
|
||||
assert!(!os_cursors(false, false) && !os_cursors(false, true), "macOS, the web");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn macos_windows_paint_the_glyphs_only_with_the_focus() {
|
||||
assert!(paint_glyphs(true, true), "macOS with the focus");
|
||||
assert!(!paint_glyphs(true, false), "macOS without the focus: the system pointer shows (#2020)");
|
||||
assert!(paint_glyphs(false, true) && paint_glyphs(false, false), "Wayland, the web: painted with the focus or without");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn arrow_hotspot_is_tip() {
|
||||
let pts = arrow_points(pos2(10.0, 20.0));
|
||||
assert_eq!(pts[0], pos2(10.0, 20.0));
|
||||
assert!(pts.iter().all(|q| q.x >= 10.0 && q.y >= 20.0));
|
||||
}
|
||||
Reference in New Issue
Block a user