| changeset 14081 | 5d42204ac35e |
| parent 14078 | bf40b5f938b0 |
| child 14088 | f483f844da98 |
| 14080:af203fb307a7 | 14081:5d42204ac35e |
|---|---|
1 extern crate fpnum; |
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2 |
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3 use fpnum::distance; |
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1 use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Sub, SubAssign}; |
4 use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Sub, SubAssign}; |
2 |
5 |
3 #[derive(PartialEq, Eq, Clone, Copy, Debug)] |
6 #[derive(PartialEq, Eq, Clone, Copy, Debug)] |
4 pub struct Point { |
7 pub struct Point { |
5 pub x: i32, |
8 pub x: i32, |
33 } |
36 } |
34 |
37 |
35 #[inline] |
38 #[inline] |
36 pub fn max_norm(self) -> i32 { |
39 pub fn max_norm(self) -> i32 { |
37 std::cmp::max(self.x.abs(), self.y.abs()) |
40 std::cmp::max(self.x.abs(), self.y.abs()) |
41 } |
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42 |
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43 #[inline] |
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44 pub fn integral_norm(self) -> u32 { |
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45 distance(self.x, self.y).abs_round() |
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38 } |
46 } |
39 |
47 |
40 #[inline] |
48 #[inline] |
41 pub fn transform(self, matrix: &[i32; 4]) -> Self { |
49 pub fn transform(self, matrix: &[i32; 4]) -> Self { |
42 Point::new( |
50 Point::new( |
208 |
216 |
209 Rect::new(left, top, (right - left) as u32, (bottom - top) as u32) |
217 Rect::new(left, top, (right - left) as u32, (bottom - top) as u32) |
210 } |
218 } |
211 |
219 |
212 pub fn from_size(top_left: Point, size: Size) -> Self { |
220 pub fn from_size(top_left: Point, size: Size) -> Self { |
213 Rect::new(top_left.x, top_left.y, size.width as u32, size.height as u32) |
221 Rect::new( |
222 top_left.x, |
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223 top_left.y, |
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224 size.width as u32, |
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225 size.height as u32, |
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226 ) |
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214 } |
227 } |
215 |
228 |
216 #[inline] |
229 #[inline] |
217 pub fn size(&self) -> Size { |
230 pub fn size(&self) -> Size { |
218 Size::new(self.width as usize, self.height as usize) |
231 Size::new(self.width as usize, self.height as usize) |
254 self.left() + margin, |
267 self.left() + margin, |
255 self.right() - margin, |
268 self.right() - margin, |
256 self.top() + margin, |
269 self.top() + margin, |
257 self.bottom() - margin, |
270 self.bottom() - margin, |
258 ) |
271 ) |
272 } |
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273 |
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274 #[inline] |
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275 pub fn contains_inside(&self, point: Point) -> bool { |
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276 point.x > self.left() |
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277 && point.x < self.right() |
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278 && point.y > self.top() |
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279 && point.y < self.bottom() |
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259 } |
280 } |
260 } |
281 } |
261 |
282 |
262 #[derive(PartialEq, Eq, Clone, Copy, Debug)] |
283 #[derive(PartialEq, Eq, Clone, Copy, Debug)] |
263 pub struct Line { |
284 pub struct Line { |
489 |
510 |
490 #[test] |
511 #[test] |
491 fn rect() { |
512 fn rect() { |
492 let r = Rect::from_box(10, 100, 0, 70); |
513 let r = Rect::from_box(10, 100, 0, 70); |
493 |
514 |
515 assert!(r.contains_inside(Point::new(99, 69))); |
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516 assert!(!r.contains_inside(Point::new(100, 70))); |
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517 |
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494 assert_eq!(r.top_left(), Point::new(10, 0)); |
518 assert_eq!(r.top_left(), Point::new(10, 0)); |
495 assert_eq!(r.with_margin(12), Rect::from_box(22, 88, 12, 58)); |
519 assert_eq!(r.with_margin(12), Rect::from_box(22, 88, 12, 58)); |
496 } |
520 } |
497 } |
521 } |