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use tiny_skia::*;
#[test]
fn clone_rect_1() {
let mut pixmap = Pixmap::new(200, 200).unwrap();
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = true;
pixmap.fill_path(
&PathBuilder::from_circle(100.0, 100.0, 80.0).unwrap(),
&paint,
FillRule::Winding,
Transform::identity(),
None,
);
let part = pixmap.as_ref().clone_rect(IntRect::from_xywh(10, 15, 80, 90).unwrap()).unwrap();
let expected = Pixmap::load_png("tests/images/pixmap/clone-rect-1.png").unwrap();
assert_eq!(part, expected);
}
#[test]
fn clone_rect_2() {
let mut pixmap = Pixmap::new(200, 200).unwrap();
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = true;
pixmap.fill_path(
&PathBuilder::from_circle(100.0, 100.0, 80.0).unwrap(),
&paint,
FillRule::Winding,
Transform::identity(),
None,
);
let part = pixmap.as_ref().clone_rect(IntRect::from_xywh(130, 120, 80, 90).unwrap()).unwrap();
let expected = Pixmap::load_png("tests/images/pixmap/clone-rect-2.png").unwrap();
assert_eq!(part, expected);
}
#[test]
fn clone_rect_out_of_bound() {
let mut pixmap = Pixmap::new(200, 200).unwrap();
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = true;
pixmap.fill_path(
&PathBuilder::from_circle(100.0, 100.0, 80.0).unwrap(),
&paint,
FillRule::Winding,
Transform::identity(),
None,
);
assert!(pixmap.as_ref().clone_rect(IntRect::from_xywh(250, 15, 80, 90).unwrap()).is_none());
assert!(pixmap.as_ref().clone_rect(IntRect::from_xywh(10, 250, 80, 90).unwrap()).is_none());
assert!(pixmap.as_ref().clone_rect(IntRect::from_xywh(10, -250, 80, 90).unwrap()).is_none());
}
#[test]
fn fill() {
let c = Color::from_rgba8(50, 100, 150, 200);
let mut pixmap = Pixmap::new(10, 10).unwrap();
pixmap.fill(c);
assert_eq!(pixmap.pixel(1, 1).unwrap(), c.premultiply().to_color_u8());
}
#[test]
fn draw_pixmap() {
// Tests that painting algorithm will switch `Bicubic`/`Bilinear` to `Nearest`.
// Otherwise we will get a blurry image.
// A pixmap with the bottom half filled with solid color.
let sub_pixmap = {
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = false;
let rect = Rect::from_xywh(0.0, 50.0, 100.0, 50.0).unwrap();
let mut pixmap = Pixmap::new(100, 100).unwrap();
pixmap.fill_rect(rect, &paint, Transform::identity(), None);
pixmap
};
let mut paint = PixmapPaint::default();
paint.quality = FilterQuality::Bicubic;
let mut pixmap = Pixmap::new(200, 200).unwrap();
pixmap.draw_pixmap(20, 20, sub_pixmap.as_ref(), &paint, Transform::identity(), None);
let expected = Pixmap::load_png("tests/images/canvas/draw-pixmap.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn draw_pixmap_ts() {
let triangle = {
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = true;
let mut pb = PathBuilder::new();
pb.move_to(0.0, 100.0);
pb.line_to(100.0, 100.0);
pb.line_to(50.0, 0.0);
pb.close();
let path = pb.finish().unwrap();
let mut pixmap = Pixmap::new(100, 100).unwrap();
pixmap.fill_path(&path, &paint, FillRule::Winding, Transform::identity(), None);
pixmap
};
let mut paint = PixmapPaint::default();
paint.quality = FilterQuality::Bicubic;
let mut pixmap = Pixmap::new(200, 200).unwrap();
pixmap.draw_pixmap(
5, 10,
triangle.as_ref(),
&paint,
Transform::from_row(1.2, 0.5, 0.5, 1.2, 0.0, 0.0),
None,
);
let expected = Pixmap::load_png("tests/images/canvas/draw-pixmap-ts.png").unwrap();
assert_eq!(pixmap, expected);
}
#[test]
fn draw_pixmap_opacity() {
let triangle = {
let mut paint = Paint::default();
paint.set_color_rgba8(50, 127, 150, 200);
paint.anti_alias = true;
let mut pb = PathBuilder::new();
pb.move_to(0.0, 100.0);
pb.line_to(100.0, 100.0);
pb.line_to(50.0, 0.0);
pb.close();
let path = pb.finish().unwrap();
let mut pixmap = Pixmap::new(100, 100).unwrap();
pixmap.fill_path(&path, &paint, FillRule::Winding, Transform::identity(), None);
pixmap
};
let mut paint = PixmapPaint::default();
paint.quality = FilterQuality::Bicubic;
paint.opacity = 0.5;
let mut pixmap = Pixmap::new(200, 200).unwrap();
pixmap.draw_pixmap(
5, 10,
triangle.as_ref(),
&paint,
Transform::from_row(1.2, 0.5, 0.5, 1.2, 0.0, 0.0),
None,
);
let expected = Pixmap::load_png("tests/images/canvas/draw-pixmap-opacity.png").unwrap();
assert_eq!(pixmap, expected);
}
|
