region: add tagged regions
This commit is contained in:
Julian Orth
parent
0872a1251d
commit
6243278f5f
6 changed files with 1087 additions and 99 deletions
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@ -7,8 +7,11 @@ use {
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},
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},
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jay_algorithms::rect::{
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RectRaw,
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region::{extents, rects_to_bands, subtract, union},
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RectRaw, Tag,
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region::{
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extents, intersect, intersect_tagged, rects_to_bands, rects_to_bands_tagged, subtract,
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union,
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},
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},
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smallvec::SmallVec,
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std::{
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@ -29,19 +32,6 @@ thread_local! {
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}
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impl Region {
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pub fn new(rect: Rect) -> Rc<Self> {
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Rc::new(Self::new2(rect))
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}
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pub fn new2(rect: Rect) -> Self {
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let mut rects = SmallVec::new();
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rects.push(rect.raw);
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Self {
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rects,
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extents: rect,
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}
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}
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pub fn empty() -> Rc<Self> {
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EMPTY.with(|e| e.clone())
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}
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@ -96,13 +86,82 @@ impl Region {
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})
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}
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#[cfg_attr(not(test), expect(dead_code))]
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pub fn intersect(&self, other: &Region) -> Self {
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if self.is_empty() || other.is_empty() {
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return Self::default();
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}
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let rects = intersect(&self.rects, &other.rects);
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Self {
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extents: Rect {
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raw: extents(&rects),
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},
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rects,
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}
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}
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}
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impl Region<u32> {
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#[cfg_attr(not(test), expect(dead_code))]
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pub fn from_rects_tagged(rects: &[Rect<u32>]) -> Self {
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if rects.is_empty() {
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return Self::default();
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}
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if rects.len() == 1 {
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let mut rect = rects[0];
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rect.raw.tag = rect.raw.tag.constrain();
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return Self::new2(rect);
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}
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let rects = rects_to_bands_tagged(unsafe {
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mem::transmute::<&[Rect<u32>], &[RectRaw<u32>]>(rects)
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});
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Self {
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extents: Rect {
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raw: extents(&rects),
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},
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rects,
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}
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}
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#[cfg_attr(not(test), expect(dead_code))]
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pub fn intersect_tagged(&self, other: &Region) -> Self {
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if self.is_empty() || other.is_empty() {
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return Self::default();
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}
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let rects = intersect_tagged(&self.rects, &other.rects);
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Self {
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extents: Rect {
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raw: extents(&rects),
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},
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rects,
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}
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}
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}
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impl<T> Region<T>
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where
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T: Tag,
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{
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pub fn new(rect: Rect<T>) -> Rc<Self> {
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Rc::new(Self::new2(rect))
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}
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pub fn new2(rect: Rect<T>) -> Self {
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let mut rects = SmallVec::new();
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rects.push(rect.raw);
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Self {
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rects,
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extents: rect.untag(),
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}
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}
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#[cfg_attr(not(feature = "it"), expect(dead_code))]
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pub fn extents(&self) -> Rect {
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self.extents
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}
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pub fn rects(&self) -> &[Rect] {
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unsafe { mem::transmute::<&[RectRaw], &[Rect]>(&self.rects[..]) }
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pub fn rects(&self) -> &[Rect<T>] {
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unsafe { mem::transmute::<&[RectRaw<T>], &[Rect<T>]>(&self.rects[..]) }
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}
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pub fn contains(&self, x: i32, y: i32) -> bool {
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@ -118,11 +177,14 @@ impl Region {
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}
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}
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impl Deref for Region {
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type Target = [Rect];
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impl<T> Deref for Region<T>
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where
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T: Tag,
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{
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type Target = [Rect<T>];
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fn deref(&self) -> &Self::Target {
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unsafe { mem::transmute::<&[RectRaw], _>(&self.rects) }
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unsafe { mem::transmute::<&[RectRaw<T>], _>(&self.rects) }
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}
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}
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@ -1,6 +1,6 @@
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use {
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crate::rect::{Rect, Region},
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jay_algorithms::rect::RectRaw,
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jay_algorithms::rect::{NoTag, RectRaw},
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};
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#[test]
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@ -43,25 +43,29 @@ fn subtract1() {
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x1: 0,
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y1: 0,
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x2: 20,
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y2: 5
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y2: 5,
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tag: NoTag,
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},
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RectRaw {
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x1: 0,
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y1: 5,
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x2: 5,
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y2: 15
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y2: 15,
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tag: NoTag,
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},
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RectRaw {
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x1: 15,
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y1: 5,
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x2: 20,
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y2: 15
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y2: 15,
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tag: NoTag,
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},
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RectRaw {
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x1: 0,
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y1: 15,
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x2: 20,
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y2: 20
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y2: 20,
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tag: NoTag,
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},
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]
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);
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@ -83,19 +87,22 @@ fn rects_to_bands() {
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x1: 0,
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y1: 0,
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x2: 30,
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y2: 5
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y2: 5,
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tag: NoTag,
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},
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RectRaw {
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x1: 0,
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y1: 5,
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x2: 50,
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y2: 10
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y2: 10,
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tag: NoTag,
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},
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RectRaw {
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x1: 30,
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y1: 10,
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x2: 50,
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y2: 15
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y2: 15,
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tag: NoTag,
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},
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]
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);
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@ -111,3 +118,572 @@ fn rects_to_bands2() {
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// println!("{:#?}", r.rects);
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assert_eq!(&r.rects[..], &[Rect::new(0, 0, 10, 20).unwrap().raw,]);
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}
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#[test]
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fn rects_to_bands_tagged1() {
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let rects = [
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Rect::new_unchecked_danger_tagged(0, 0, 200, 200, 1),
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Rect::new_unchecked_danger_tagged(50, 50, 150, 150, 0),
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];
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let r = Region::from_rects_tagged(&rects[..]);
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assert_eq!(
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&r.rects[..],
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&[
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RectRaw {
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x1: 0,
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y1: 0,
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x2: 200,
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y2: 50,
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tag: 1,
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},
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RectRaw {
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x1: 0,
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y1: 50,
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x2: 50,
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y2: 150,
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tag: 1,
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},
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RectRaw {
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x1: 50,
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y1: 50,
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x2: 150,
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y2: 150,
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tag: 0,
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},
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RectRaw {
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x1: 150,
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y1: 50,
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x2: 200,
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y2: 150,
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tag: 1,
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},
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RectRaw {
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x1: 0,
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y1: 150,
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x2: 200,
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y2: 200,
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tag: 1,
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},
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],
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);
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}
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#[test]
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fn rects_to_bands_tagged2() {
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let rects = [
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Rect::new_unchecked_danger_tagged(0, 0, 200, 200, 1),
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Rect::new_unchecked_danger_tagged(50, 50, 150, 150, 0),
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Rect::new_unchecked_danger_tagged(60, 60, 140, 140, 2),
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];
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let r = Region::from_rects_tagged(&rects[..]);
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assert_eq!(
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&r.rects[..],
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&[
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RectRaw {
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x1: 0,
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y1: 0,
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x2: 200,
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y2: 50,
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tag: 1,
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},
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RectRaw {
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x1: 0,
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y1: 50,
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x2: 50,
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y2: 150,
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tag: 1,
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},
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RectRaw {
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x1: 50,
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y1: 50,
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x2: 150,
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y2: 150,
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tag: 0,
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},
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RectRaw {
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x1: 150,
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y1: 50,
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x2: 200,
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y2: 150,
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tag: 1,
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},
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RectRaw {
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x1: 0,
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y1: 150,
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x2: 200,
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y2: 200,
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tag: 1,
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},
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],
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);
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}
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#[test]
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fn rects_to_bands_tagged3() {
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let rects = [
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Rect::new_unchecked_danger_tagged(0, 0, 200, 200, 2),
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Rect::new_unchecked_danger_tagged(50, 50, 150, 150, 1),
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Rect::new_unchecked_danger_tagged(60, 60, 140, 140, 0),
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];
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let r = Region::from_rects_tagged(&rects[..]);
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assert_eq!(
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&r.rects[..],
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&[
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RectRaw {
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x1: 0,
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y1: 0,
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x2: 200,
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y2: 50,
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tag: 0,
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},
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RectRaw {
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x1: 0,
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y1: 50,
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x2: 50,
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y2: 60,
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tag: 0,
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},
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RectRaw {
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x1: 50,
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y1: 50,
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x2: 150,
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y2: 60,
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tag: 1,
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},
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RectRaw {
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x1: 150,
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y1: 50,
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x2: 200,
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y2: 60,
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tag: 0,
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},
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RectRaw {
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x1: 0,
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y1: 60,
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x2: 50,
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y2: 140,
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tag: 0,
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},
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RectRaw {
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x1: 50,
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y1: 60,
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x2: 60,
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y2: 140,
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tag: 1,
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},
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RectRaw {
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x1: 60,
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y1: 60,
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x2: 140,
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y2: 140,
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tag: 0,
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},
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RectRaw {
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x1: 140,
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y1: 60,
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x2: 150,
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y2: 140,
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tag: 1,
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},
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RectRaw {
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x1: 150,
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y1: 60,
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x2: 200,
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y2: 140,
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tag: 0,
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},
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RectRaw {
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x1: 0,
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y1: 140,
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x2: 50,
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y2: 150,
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tag: 0,
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},
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RectRaw {
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x1: 50,
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y1: 140,
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x2: 150,
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y2: 150,
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tag: 1,
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},
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RectRaw {
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x1: 150,
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y1: 140,
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x2: 200,
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y2: 150,
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tag: 0,
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},
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RectRaw {
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x1: 0,
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y1: 150,
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x2: 200,
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y2: 200,
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tag: 0,
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},
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],
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);
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}
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#[test]
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fn rects_to_bands_tagged4() {
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let rects = [
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Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 1),
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Rect::new_unchecked_danger_tagged(100, 0, 200, 200, 0),
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];
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let r = Region::from_rects_tagged(&rects[..]);
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assert_eq!(
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&r.rects[..],
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&[
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RectRaw {
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x1: 0,
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y1: 0,
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x2: 100,
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y2: 100,
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tag: 1,
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},
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RectRaw {
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x1: 100,
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y1: 0,
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x2: 200,
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y2: 100,
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tag: 0,
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},
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RectRaw {
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x1: 100,
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y1: 100,
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x2: 200,
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y2: 200,
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tag: 0,
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},
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],
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);
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}
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#[test]
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fn rects_to_bands_tagged5() {
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let rects = [
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Rect::new_unchecked_danger_tagged(0, 0, 200, 100, 1),
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Rect::new_unchecked_danger_tagged(100, 0, 200, 100, 0),
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];
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let r = Region::from_rects_tagged(&rects[..]);
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assert_eq!(
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&r.rects[..],
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&[
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RectRaw {
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x1: 0,
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y1: 0,
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x2: 100,
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y2: 100,
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tag: 1,
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},
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RectRaw {
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x1: 100,
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y1: 0,
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x2: 200,
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y2: 100,
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tag: 0,
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},
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],
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);
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}
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#[test]
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fn rects_to_bands_tagged6() {
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let rects = [
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Rect::new_unchecked_danger_tagged(0, 0, 200, 100, 1),
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Rect::new_unchecked_danger_tagged(100, 0, 300, 100, 0),
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];
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let r = Region::from_rects_tagged(&rects[..]);
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assert_eq!(
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&r.rects[..],
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&[
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RectRaw {
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x1: 0,
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y1: 0,
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x2: 100,
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y2: 100,
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tag: 1,
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},
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RectRaw {
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x1: 100,
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y1: 0,
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x2: 300,
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y2: 100,
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tag: 0,
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},
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],
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);
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}
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#[test]
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fn rects_to_bands_tagged7() {
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let rects = [
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Rect::new_unchecked_danger_tagged(0, 0, 200, 100, 0),
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Rect::new_unchecked_danger_tagged(100, 0, 300, 200, 1),
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];
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let r = Region::from_rects_tagged(&rects[..]);
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assert_eq!(
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&r.rects[..],
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&[
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RectRaw {
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x1: 0,
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y1: 0,
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x2: 200,
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y2: 100,
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tag: 0,
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},
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RectRaw {
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x1: 200,
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y1: 0,
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x2: 300,
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y2: 100,
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tag: 1,
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},
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RectRaw {
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x1: 100,
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y1: 100,
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x2: 300,
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y2: 200,
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tag: 1,
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},
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],
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);
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}
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#[test]
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fn rects_to_bands_tagged8() {
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let rects = [
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Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 1),
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Rect::new_unchecked_danger_tagged(100, 0, 200, 100, 0),
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];
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let r = Region::from_rects_tagged(&rects[..]);
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assert_eq!(
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&r.rects[..],
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&[
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RectRaw {
|
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x1: 0,
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y1: 0,
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x2: 100,
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y2: 100,
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tag: 1,
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},
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RectRaw {
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||||
x1: 100,
|
||||
y1: 0,
|
||||
x2: 200,
|
||||
y2: 100,
|
||||
tag: 0,
|
||||
},
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rects_to_bands_tagged9() {
|
||||
let rects = [
|
||||
Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 1),
|
||||
Rect::new_unchecked_danger_tagged(100, 0, 200, 100, 1),
|
||||
];
|
||||
let r = Region::from_rects_tagged(&rects[..]);
|
||||
assert_eq!(
|
||||
&r.rects[..],
|
||||
&[RectRaw {
|
||||
x1: 0,
|
||||
y1: 0,
|
||||
x2: 200,
|
||||
y2: 100,
|
||||
tag: 1,
|
||||
},],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rects_to_bands_tagged10() {
|
||||
let rects = [
|
||||
Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 1),
|
||||
Rect::new_unchecked_danger_tagged(0, 100, 100, 200, 1),
|
||||
];
|
||||
let r = Region::from_rects_tagged(&rects[..]);
|
||||
assert_eq!(
|
||||
&r.rects[..],
|
||||
&[RectRaw {
|
||||
x1: 0,
|
||||
y1: 0,
|
||||
x2: 100,
|
||||
y2: 200,
|
||||
tag: 1,
|
||||
},],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rects_to_bands_tagged11() {
|
||||
let rects = [Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 11)];
|
||||
let r = Region::from_rects_tagged(&rects[..]);
|
||||
assert_eq!(
|
||||
&r.rects[..],
|
||||
&[RectRaw {
|
||||
x1: 0,
|
||||
y1: 0,
|
||||
x2: 100,
|
||||
y2: 100,
|
||||
tag: 1,
|
||||
},],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rects_to_bands_tagged12() {
|
||||
let rects = [
|
||||
Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 11),
|
||||
Rect::new_unchecked_danger_tagged(200, 0, 300, 100, 10),
|
||||
];
|
||||
let r = Region::from_rects_tagged(&rects[..]);
|
||||
assert_eq!(
|
||||
&r.rects[..],
|
||||
&[
|
||||
RectRaw {
|
||||
x1: 0,
|
||||
y1: 0,
|
||||
x2: 100,
|
||||
y2: 100,
|
||||
tag: 1,
|
||||
},
|
||||
RectRaw {
|
||||
x1: 200,
|
||||
y1: 0,
|
||||
x2: 300,
|
||||
y2: 100,
|
||||
tag: 0,
|
||||
},
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rects_to_bands_tagged13() {
|
||||
let rects = [
|
||||
Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 1),
|
||||
Rect::new_unchecked_danger_tagged(0, 100, 100, 200, 0),
|
||||
];
|
||||
let r = Region::from_rects_tagged(&rects[..]);
|
||||
assert_eq!(
|
||||
&r.rects[..],
|
||||
&[
|
||||
RectRaw {
|
||||
x1: 0,
|
||||
y1: 0,
|
||||
x2: 100,
|
||||
y2: 100,
|
||||
tag: 1,
|
||||
},
|
||||
RectRaw {
|
||||
x1: 0,
|
||||
y1: 100,
|
||||
x2: 100,
|
||||
y2: 200,
|
||||
tag: 0,
|
||||
},
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn rects_to_bands_tagged14() {
|
||||
let rects = [
|
||||
Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 1),
|
||||
Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 0),
|
||||
];
|
||||
let r = Region::from_rects_tagged(&rects[..]);
|
||||
assert_eq!(
|
||||
&r.rects[..],
|
||||
&[RectRaw {
|
||||
x1: 0,
|
||||
y1: 0,
|
||||
x2: 100,
|
||||
y2: 100,
|
||||
tag: 0,
|
||||
},],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn intersect1() {
|
||||
let rects = [Rect::new_unchecked_danger_tagged(0, 0, 100, 100, 0)];
|
||||
let r1 = Region::from_rects_tagged(&rects[..]);
|
||||
let rects = [Rect::new_unchecked_danger(100, 100, 200, 200)];
|
||||
let r2 = Region::from_rects2(&rects[..]);
|
||||
let r3 = r1.intersect_tagged(&r2);
|
||||
assert_eq!(&r3.rects[..], &[],);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn intersect2() {
|
||||
let rects = [Rect::new_unchecked_danger_tagged(0, 0, 200, 200, 0)];
|
||||
let r1 = Region::from_rects_tagged(&rects[..]);
|
||||
let rects = [Rect::new_unchecked_danger(50, 50, 150, 150)];
|
||||
let r2 = Region::from_rects2(&rects[..]);
|
||||
let r3 = r1.intersect_tagged(&r2);
|
||||
assert_eq!(
|
||||
&r3.rects[..],
|
||||
&[RectRaw {
|
||||
x1: 50,
|
||||
y1: 50,
|
||||
x2: 150,
|
||||
y2: 150,
|
||||
tag: 0,
|
||||
}],
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn intersect3() {
|
||||
macro_rules! t {
|
||||
($l:expr, $r:expr, $t:expr) => {
|
||||
Rect::new_unchecked_danger_tagged($l, 0, $r, 1, $t)
|
||||
};
|
||||
}
|
||||
macro_rules! u {
|
||||
($l:expr, $r:expr) => {
|
||||
Rect::new_unchecked_danger($l, 0, $r, 1)
|
||||
};
|
||||
}
|
||||
macro_rules! r {
|
||||
($l:expr, $r:expr, $t:expr) => {
|
||||
RectRaw {
|
||||
x1: $l,
|
||||
y1: 0,
|
||||
x2: $r,
|
||||
y2: 1,
|
||||
tag: $t,
|
||||
}
|
||||
};
|
||||
}
|
||||
let rects = [
|
||||
t!(0, 100, 0),
|
||||
t!(110, 130, 1),
|
||||
t!(140, 160, 2),
|
||||
t!(170, 180, 0),
|
||||
];
|
||||
let r1 = Region::from_rects_tagged(&rects[..]);
|
||||
let rects = [
|
||||
u!(10, 20),
|
||||
u!(50, 60),
|
||||
u!(70, 100),
|
||||
u!(120, 150),
|
||||
u!(170, 180),
|
||||
];
|
||||
let r2 = Region::from_rects2(&rects[..]);
|
||||
let r3 = r1.intersect_tagged(&r2);
|
||||
assert_eq!(
|
||||
&r3.rects[..],
|
||||
&[
|
||||
r!(10, 20, 0),
|
||||
r!(50, 60, 0),
|
||||
r!(70, 100, 0),
|
||||
r!(120, 130, 1),
|
||||
r!(140, 150, 0),
|
||||
r!(170, 180, 0),
|
||||
],
|
||||
);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue