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use tiny_skia::*;
#[test]
fn rect() {
let clip_path = PathBuilder::from_rect(Rect::from_xywh(10.0, 10.0, 80.0, 80.0).unwrap());
let mut mask = Mask::new(100, 100).unwrap();
mask.fill_path(&clip_path, FillRule::Winding, false, Transform::default());
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = false;
let mut pixmap = Pixmap::new(100, 100).unwrap();
let rect = Rect::from_xywh(0.0, 0.0, 100.0, 100.0).unwrap();
pixmap.fill_rect(rect, &paint, Transform::identity(), Some(&mask));
let expected = Pixmap::load_png("tests/images/mask/rect.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn rect_aa() {
let clip_path = PathBuilder::from_rect(Rect::from_xywh(10.5, 10.0, 80.0, 80.5).unwrap());
let mut mask = Mask::new(100, 100).unwrap();
mask.fill_path(&clip_path, FillRule::Winding, true, Transform::default());
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = false;
let mut pixmap = Pixmap::new(100, 100).unwrap();
let rect = Rect::from_xywh(0.0, 0.0, 100.0, 100.0).unwrap();
pixmap.fill_rect(rect, &paint, Transform::identity(), Some(&mask));
let expected = Pixmap::load_png("tests/images/mask/rect-aa.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn rect_ts() {
let mut pixmap = Pixmap::new(100, 100).unwrap();
let clip_path = PathBuilder::from_rect(Rect::from_xywh(10.0, 10.0, 80.0, 80.0).unwrap());
let clip_path = clip_path.transform(Transform::from_row(1.0, -0.3, 0.0, 1.0, 0.0, 15.0)).unwrap();
let mut mask = Mask::new(100, 100).unwrap();
mask.fill_path(&clip_path, FillRule::Winding, false, Transform::default());
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = false;
let rect = Rect::from_xywh(0.0, 0.0, 100.0, 100.0).unwrap();
pixmap.fill_rect(rect, &paint, Transform::identity(), Some(&mask));
let expected = Pixmap::load_png("tests/images/mask/rect-ts.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn circle_bottom_right_aa() {
let mut pixmap = Pixmap::new(100, 100).unwrap();
let clip_path = PathBuilder::from_circle(100.0, 100.0, 50.0).unwrap();
let mut mask = Mask::new(100, 100).unwrap();
mask.fill_path(&clip_path, FillRule::Winding, true, Transform::default());
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = false;
let rect = Rect::from_xywh(0.0, 0.0, 100.0, 100.0).unwrap();
pixmap.fill_rect(rect, &paint, Transform::identity(), Some(&mask));
let expected = Pixmap::load_png("tests/images/mask/circle-bottom-right-aa.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn stroke() {
let mut pixmap = Pixmap::new(100, 100).unwrap();
let clip_path = PathBuilder::from_rect(Rect::from_xywh(10.0, 10.0, 80.0, 80.0).unwrap());
let mut mask = Mask::new(100, 100).unwrap();
mask.fill_path(&clip_path, FillRule::Winding, false, Transform::default());
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = false;
let mut stroke = Stroke::default();
stroke.width = 10.0;
let path = PathBuilder::from_rect(Rect::from_xywh(10.0, 10.0, 80.0, 80.0).unwrap());
pixmap.stroke_path(&path, &paint, &stroke, Transform::identity(), Some(&mask));
let expected = Pixmap::load_png("tests/images/mask/stroke.png").unwrap();
assert_eq!(pixmap, expected);
}
// Make sure we're clipping only source and not source and destination
#[test]
fn skip_dest() {
let mut pixmap = Pixmap::new(100, 100).unwrap();
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = false;
pixmap.fill_path(
&PathBuilder::from_rect(Rect::from_xywh(5.0, 5.0, 60.0, 60.0).unwrap()),
&paint,
FillRule::Winding,
Transform::identity(),
None,
);
let mut pixmap2 = Pixmap::new(200, 200).unwrap();
pixmap2.as_mut().fill_path(
&PathBuilder::from_rect(Rect::from_xywh(35.0, 35.0, 60.0, 60.0).unwrap()),
&paint,
FillRule::Winding,
Transform::identity(),
None,
);
let clip_path = PathBuilder::from_rect(Rect::from_xywh(40.0, 40.0, 40.0, 40.0).unwrap());
let mut mask = Mask::new(100, 100).unwrap();
mask.fill_path(&clip_path, FillRule::Winding, true, Transform::default());
pixmap.draw_pixmap(0, 0, pixmap2.as_ref(), &PixmapPaint::default(),
Transform::identity(), Some(&mask));
let expected = Pixmap::load_png("tests/images/mask/skip-dest.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn intersect_aa() {
let circle1 = PathBuilder::from_circle(75.0, 75.0, 50.0).unwrap();
let circle2 = PathBuilder::from_circle(125.0, 125.0, 50.0).unwrap();
let mut mask = Mask::new(200, 200).unwrap();
mask.fill_path(&circle1, FillRule::Winding, true, Transform::default());
mask.intersect_path(&circle2, FillRule::Winding, true, Transform::default());
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = false;
let mut pixmap = Pixmap::new(200, 200).unwrap();
pixmap.fill_rect(
Rect::from_xywh(0.0, 0.0, 200.0, 200.0).unwrap(),
&paint,
Transform::identity(),
Some(&mask),
);
let expected = Pixmap::load_png("tests/images/mask/intersect-aa.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn ignore_memset() {
let clip_path = PathBuilder::from_rect(Rect::from_xywh(10.0, 10.0, 80.0, 80.0).unwrap());
let mut mask = Mask::new(100, 100).unwrap();
mask.fill_path(&clip_path, FillRule::Winding, false, Transform::default());
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 255);
paint.anti_alias = false;
let mut pixmap = Pixmap::new(100, 100).unwrap();
pixmap.fill_rect(
Rect::from_xywh(0.0, 0.0, 100.0, 100.0).unwrap(),
&paint,
Transform::identity(),
Some(&mask),
);
let expected = Pixmap::load_png("tests/images/mask/ignore-memset.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn ignore_source() {
let clip_path = PathBuilder::from_rect(Rect::from_xywh(10.0, 10.0, 80.0, 80.0).unwrap());
let mut mask = Mask::new(100, 100).unwrap();
mask.fill_path(&clip_path, FillRule::Winding, false, Transform::default());
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 255); // Must be opaque.
paint.blend_mode = BlendMode::SourceOver;
paint.anti_alias = false;
let mut pixmap = Pixmap::new(100, 100).unwrap();
pixmap.fill(Color::WHITE);
pixmap.fill_rect(
Rect::from_xywh(0.0, 0.0, 100.0, 100.0).unwrap(),
&paint,
Transform::identity(),
Some(&mask),
);
let expected = Pixmap::load_png("tests/images/mask/ignore-source.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn apply_mask() {
let mut pixmap = Pixmap::new(100, 100).unwrap();
let clip_path = PathBuilder::from_circle(100.0, 100.0, 50.0).unwrap();
let mut mask = Mask::new(100, 100).unwrap();
mask.fill_path(&clip_path, FillRule::Winding, true, Transform::default());
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = false;
let rect = Rect::from_xywh(0.0, 0.0, 100.0, 100.0).unwrap();
pixmap.fill_rect(rect, &paint, Transform::identity(), None);
pixmap.apply_mask(&mask);
let expected = Pixmap::load_png("tests/images/mask/apply-mask.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn mask_from_alpha() {
let path = PathBuilder::from_circle(100.0, 100.0, 50.0).unwrap();
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = true;
let mut pixmap = Pixmap::new(100, 100).unwrap();
pixmap.fill_path(&path, &paint, FillRule::Winding, Transform::default(), None);
let mask = Mask::from_pixmap(pixmap.as_ref(), MaskType::Alpha);
let expected = Mask::load_png("tests/images/mask/mask-from-alpha.png").unwrap();
assert_eq!(mask, expected);
}
#[test]
fn mask_from_luma() {
let path = PathBuilder::from_circle(100.0, 100.0, 50.0).unwrap();
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = true;
let mut pixmap = Pixmap::new(100, 100).unwrap();
pixmap.fill_path(&path, &paint, FillRule::Winding, Transform::default(), None);
let mask = Mask::from_pixmap(pixmap.as_ref(), MaskType::Luminance);
let expected = Mask::load_png("tests/images/mask/mask-from-luma.png").unwrap();
assert_eq!(mask, expected);
}
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