1use core::fmt::Debug;
2use derive_more::{Add, AddAssign, Div, DivAssign, Mul, Neg, Sub, SubAssign};
3use refineable::Refineable;
4use serde_derive::{Deserialize, Serialize};
5use std::{
6 cmp::{self, PartialOrd},
7 fmt,
8 ops::{Add, Div, Mul, MulAssign, Sub},
9};
10
11#[derive(Refineable, Default, Add, AddAssign, Sub, SubAssign, Copy, Debug, PartialEq, Eq, Hash)]
12#[refineable(debug)]
13#[repr(C)]
14pub struct Point<T: Default + Clone + Debug> {
15 pub x: T,
16 pub y: T,
17}
18
19pub fn point<T: Clone + Debug + Default>(x: T, y: T) -> Point<T> {
20 Point { x, y }
21}
22
23impl<T: Clone + Debug + Default> Point<T> {
24 pub fn new(x: T, y: T) -> Self {
25 Self { x, y }
26 }
27
28 pub fn map<U: Clone + Default + Debug>(&self, f: impl Fn(T) -> U) -> Point<U> {
29 Point {
30 x: f(self.x.clone()),
31 y: f(self.y.clone()),
32 }
33 }
34}
35
36impl Point<Pixels> {
37 pub fn scale(&self, factor: f32) -> Point<ScaledPixels> {
38 Point {
39 x: self.x.scale(factor),
40 y: self.y.scale(factor),
41 }
42 }
43
44 pub fn magnitude(&self) -> f64 {
45 ((self.x.0.powi(2) + self.y.0.powi(2)) as f64).sqrt()
46 }
47}
48
49impl<T, Rhs> Mul<Rhs> for Point<T>
50where
51 T: Mul<Rhs, Output = T> + Clone + Default + Debug,
52 Rhs: Clone + Debug,
53{
54 type Output = Point<T>;
55
56 fn mul(self, rhs: Rhs) -> Self::Output {
57 Point {
58 x: self.x * rhs.clone(),
59 y: self.y * rhs,
60 }
61 }
62}
63
64impl<T, S> MulAssign<S> for Point<T>
65where
66 T: Clone + Mul<S, Output = T> + Default + Debug,
67 S: Clone,
68{
69 fn mul_assign(&mut self, rhs: S) {
70 self.x = self.x.clone() * rhs.clone();
71 self.y = self.y.clone() * rhs;
72 }
73}
74
75impl<T, S> Div<S> for Point<T>
76where
77 T: Div<S, Output = T> + Clone + Default + Debug,
78 S: Clone,
79{
80 type Output = Self;
81
82 fn div(self, rhs: S) -> Self::Output {
83 Self {
84 x: self.x / rhs.clone(),
85 y: self.y / rhs,
86 }
87 }
88}
89
90impl<T> Point<T>
91where
92 T: PartialOrd + Clone + Default + Debug,
93{
94 pub fn max(&self, other: &Self) -> Self {
95 Point {
96 x: if self.x >= other.x {
97 self.x.clone()
98 } else {
99 other.x.clone()
100 },
101 y: if self.y >= other.y {
102 self.y.clone()
103 } else {
104 other.y.clone()
105 },
106 }
107 }
108
109 pub fn min(&self, other: &Self) -> Self {
110 Point {
111 x: if self.x <= other.x {
112 self.x.clone()
113 } else {
114 other.x.clone()
115 },
116 y: if self.y <= other.y {
117 self.y.clone()
118 } else {
119 other.y.clone()
120 },
121 }
122 }
123}
124
125impl<T: Clone + Default + Debug> Clone for Point<T> {
126 fn clone(&self) -> Self {
127 Self {
128 x: self.x.clone(),
129 y: self.y.clone(),
130 }
131 }
132}
133
134#[derive(Refineable, Default, Clone, Copy, PartialEq, Div, Hash, Serialize, Deserialize)]
135#[refineable(debug)]
136#[repr(C)]
137pub struct Size<T: Clone + Default + Debug> {
138 pub width: T,
139 pub height: T,
140}
141
142pub fn size<T>(width: T, height: T) -> Size<T>
143where
144 T: Clone + Default + Debug,
145{
146 Size { width, height }
147}
148
149impl<T> Size<T>
150where
151 T: Clone + Default + Debug,
152{
153 pub fn map<U>(&self, f: impl Fn(T) -> U) -> Size<U>
154 where
155 U: Clone + Default + Debug,
156 {
157 Size {
158 width: f(self.width.clone()),
159 height: f(self.height.clone()),
160 }
161 }
162}
163
164impl Size<Pixels> {
165 pub fn scale(&self, factor: f32) -> Size<ScaledPixels> {
166 Size {
167 width: self.width.scale(factor),
168 height: self.height.scale(factor),
169 }
170 }
171}
172
173impl<T> Size<T>
174where
175 T: PartialOrd + Clone + Default + Debug,
176{
177 pub fn max(&self, other: &Self) -> Self {
178 Size {
179 width: if self.width >= other.width {
180 self.width.clone()
181 } else {
182 other.width.clone()
183 },
184 height: if self.height >= other.height {
185 self.height.clone()
186 } else {
187 other.height.clone()
188 },
189 }
190 }
191}
192
193impl<T> Sub for Size<T>
194where
195 T: Sub<Output = T> + Clone + Default + Debug,
196{
197 type Output = Size<T>;
198
199 fn sub(self, rhs: Self) -> Self::Output {
200 Size {
201 width: self.width - rhs.width,
202 height: self.height - rhs.height,
203 }
204 }
205}
206
207impl<T, Rhs> Mul<Rhs> for Size<T>
208where
209 T: Mul<Rhs, Output = Rhs> + Clone + Default + Debug,
210 Rhs: Clone + Default + Debug,
211{
212 type Output = Size<Rhs>;
213
214 fn mul(self, rhs: Rhs) -> Self::Output {
215 Size {
216 width: self.width * rhs.clone(),
217 height: self.height * rhs,
218 }
219 }
220}
221
222impl<T, S> MulAssign<S> for Size<T>
223where
224 T: Mul<S, Output = T> + Clone + Default + Debug,
225 S: Clone,
226{
227 fn mul_assign(&mut self, rhs: S) {
228 self.width = self.width.clone() * rhs.clone();
229 self.height = self.height.clone() * rhs;
230 }
231}
232
233impl<T> Eq for Size<T> where T: Eq + Default + Debug + Clone {}
234
235impl<T> Debug for Size<T>
236where
237 T: Clone + Default + Debug,
238{
239 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
240 write!(f, "Size {{ {:?} × {:?} }}", self.width, self.height)
241 }
242}
243
244impl<T: Clone + Default + Debug> From<Point<T>> for Size<T> {
245 fn from(point: Point<T>) -> Self {
246 Self {
247 width: point.x,
248 height: point.y,
249 }
250 }
251}
252
253impl From<Size<Pixels>> for Size<GlobalPixels> {
254 fn from(size: Size<Pixels>) -> Self {
255 Size {
256 width: GlobalPixels(size.width.0),
257 height: GlobalPixels(size.height.0),
258 }
259 }
260}
261
262impl Size<Length> {
263 pub fn full() -> Self {
264 Self {
265 width: relative(1.).into(),
266 height: relative(1.).into(),
267 }
268 }
269}
270
271impl Size<DefiniteLength> {
272 pub fn zero() -> Self {
273 Self {
274 width: px(0.).into(),
275 height: px(0.).into(),
276 }
277 }
278}
279
280impl Size<Length> {
281 pub fn auto() -> Self {
282 Self {
283 width: Length::Auto,
284 height: Length::Auto,
285 }
286 }
287}
288
289#[derive(Refineable, Clone, Default, Debug, Eq, PartialEq)]
290#[refineable(debug)]
291#[repr(C)]
292pub struct Bounds<T: Clone + Default + Debug> {
293 pub origin: Point<T>,
294 pub size: Size<T>,
295}
296
297impl<T> Bounds<T>
298where
299 T: Clone + Debug + Sub<Output = T> + Default,
300{
301 pub fn from_corners(upper_left: Point<T>, lower_right: Point<T>) -> Self {
302 let origin = Point {
303 x: upper_left.x.clone(),
304 y: upper_left.y.clone(),
305 };
306 let size = Size {
307 width: lower_right.x - upper_left.x,
308 height: lower_right.y - upper_left.y,
309 };
310 Bounds { origin, size }
311 }
312}
313
314impl<T> Bounds<T>
315where
316 T: Clone + Debug + PartialOrd + Add<T, Output = T> + Sub<Output = T> + Default,
317{
318 pub fn intersects(&self, other: &Bounds<T>) -> bool {
319 let my_lower_right = self.lower_right();
320 let their_lower_right = other.lower_right();
321
322 self.origin.x < their_lower_right.x
323 && my_lower_right.x > other.origin.x
324 && self.origin.y < their_lower_right.y
325 && my_lower_right.y > other.origin.y
326 }
327
328 pub fn dilate(&mut self, amount: T) {
329 self.origin.x = self.origin.x.clone() - amount.clone();
330 self.origin.y = self.origin.y.clone() - amount.clone();
331 let double_amount = amount.clone() + amount;
332 self.size.width = self.size.width.clone() + double_amount.clone();
333 self.size.height = self.size.height.clone() + double_amount;
334 }
335}
336
337impl<T: Clone + Default + Debug + PartialOrd + Add<T, Output = T> + Sub<Output = T>> Bounds<T> {
338 pub fn intersect(&self, other: &Self) -> Self {
339 let upper_left = self.origin.max(&other.origin);
340 let lower_right = self.lower_right().min(&other.lower_right());
341 Self::from_corners(upper_left, lower_right)
342 }
343
344 pub fn union(&self, other: &Self) -> Self {
345 let top_left = self.origin.min(&other.origin);
346 let bottom_right = self.lower_right().max(&other.lower_right());
347 Bounds::from_corners(top_left, bottom_right)
348 }
349}
350
351impl<T, Rhs> Mul<Rhs> for Bounds<T>
352where
353 T: Mul<Rhs, Output = Rhs> + Clone + Default + Debug,
354 Point<T>: Mul<Rhs, Output = Point<Rhs>>,
355 Rhs: Clone + Default + Debug,
356{
357 type Output = Bounds<Rhs>;
358
359 fn mul(self, rhs: Rhs) -> Self::Output {
360 Bounds {
361 origin: self.origin * rhs.clone(),
362 size: self.size * rhs,
363 }
364 }
365}
366
367impl<T, S> MulAssign<S> for Bounds<T>
368where
369 T: Mul<S, Output = T> + Clone + Default + Debug,
370 S: Clone,
371{
372 fn mul_assign(&mut self, rhs: S) {
373 self.origin *= rhs.clone();
374 self.size *= rhs;
375 }
376}
377
378impl<T, S> Div<S> for Bounds<T>
379where
380 Size<T>: Div<S, Output = Size<T>>,
381 T: Div<S, Output = T> + Default + Clone + Debug,
382 S: Clone,
383{
384 type Output = Self;
385
386 fn div(self, rhs: S) -> Self {
387 Self {
388 origin: self.origin / rhs.clone(),
389 size: self.size / rhs,
390 }
391 }
392}
393
394impl<T> Bounds<T>
395where
396 T: Add<T, Output = T> + Clone + Default + Debug,
397{
398 pub fn upper_right(&self) -> Point<T> {
399 Point {
400 x: self.origin.x.clone() + self.size.width.clone(),
401 y: self.origin.y.clone(),
402 }
403 }
404
405 pub fn lower_right(&self) -> Point<T> {
406 Point {
407 x: self.origin.x.clone() + self.size.width.clone(),
408 y: self.origin.y.clone() + self.size.height.clone(),
409 }
410 }
411
412 pub fn lower_left(&self) -> Point<T> {
413 Point {
414 x: self.origin.x.clone(),
415 y: self.origin.y.clone() + self.size.height.clone(),
416 }
417 }
418}
419
420impl<T> Bounds<T>
421where
422 T: Add<T, Output = T> + PartialOrd + Clone + Default + Debug,
423{
424 pub fn contains_point(&self, point: &Point<T>) -> bool {
425 point.x >= self.origin.x
426 && point.x <= self.origin.x.clone() + self.size.width.clone()
427 && point.y >= self.origin.y
428 && point.y <= self.origin.y.clone() + self.size.height.clone()
429 }
430
431 pub fn map<U>(&self, f: impl Fn(T) -> U) -> Bounds<U>
432 where
433 U: Clone + Default + Debug,
434 {
435 Bounds {
436 origin: self.origin.map(&f),
437 size: self.size.map(f),
438 }
439 }
440}
441
442impl Bounds<Pixels> {
443 pub fn scale(&self, factor: f32) -> Bounds<ScaledPixels> {
444 Bounds {
445 origin: self.origin.scale(factor),
446 size: self.size.scale(factor),
447 }
448 }
449}
450
451impl<T: Clone + Debug + Copy + Default> Copy for Bounds<T> {}
452
453#[derive(Refineable, Clone, Default, Debug, Eq, PartialEq)]
454#[refineable(debug)]
455#[repr(C)]
456pub struct Edges<T: Clone + Default + Debug> {
457 pub top: T,
458 pub right: T,
459 pub bottom: T,
460 pub left: T,
461}
462
463impl<T> Mul for Edges<T>
464where
465 T: Mul<Output = T> + Clone + Default + Debug,
466{
467 type Output = Self;
468
469 fn mul(self, rhs: Self) -> Self::Output {
470 Self {
471 top: self.top.clone() * rhs.top,
472 right: self.right.clone() * rhs.right,
473 bottom: self.bottom.clone() * rhs.bottom,
474 left: self.left.clone() * rhs.left,
475 }
476 }
477}
478
479impl<T, S> MulAssign<S> for Edges<T>
480where
481 T: Mul<S, Output = T> + Clone + Default + Debug,
482 S: Clone,
483{
484 fn mul_assign(&mut self, rhs: S) {
485 self.top = self.top.clone() * rhs.clone();
486 self.right = self.right.clone() * rhs.clone();
487 self.bottom = self.bottom.clone() * rhs.clone();
488 self.left = self.left.clone() * rhs;
489 }
490}
491
492impl<T: Clone + Default + Debug + Copy> Copy for Edges<T> {}
493
494impl<T: Clone + Default + Debug> Edges<T> {
495 pub fn map<U>(&self, f: impl Fn(&T) -> U) -> Edges<U>
496 where
497 U: Clone + Default + Debug,
498 {
499 Edges {
500 top: f(&self.top),
501 right: f(&self.right),
502 bottom: f(&self.bottom),
503 left: f(&self.left),
504 }
505 }
506
507 pub fn any<F: Fn(&T) -> bool>(&self, predicate: F) -> bool {
508 predicate(&self.top)
509 || predicate(&self.right)
510 || predicate(&self.bottom)
511 || predicate(&self.left)
512 }
513}
514
515impl Edges<Length> {
516 pub fn auto() -> Self {
517 Self {
518 top: Length::Auto,
519 right: Length::Auto,
520 bottom: Length::Auto,
521 left: Length::Auto,
522 }
523 }
524
525 pub fn zero() -> Self {
526 Self {
527 top: px(0.).into(),
528 right: px(0.).into(),
529 bottom: px(0.).into(),
530 left: px(0.).into(),
531 }
532 }
533}
534
535impl Edges<DefiniteLength> {
536 pub fn zero() -> Self {
537 Self {
538 top: px(0.).into(),
539 right: px(0.).into(),
540 bottom: px(0.).into(),
541 left: px(0.).into(),
542 }
543 }
544}
545
546impl Edges<AbsoluteLength> {
547 pub fn zero() -> Self {
548 Self {
549 top: px(0.).into(),
550 right: px(0.).into(),
551 bottom: px(0.).into(),
552 left: px(0.).into(),
553 }
554 }
555
556 pub fn to_pixels(&self, rem_size: Pixels) -> Edges<Pixels> {
557 Edges {
558 top: self.top.to_pixels(rem_size),
559 right: self.right.to_pixels(rem_size),
560 bottom: self.bottom.to_pixels(rem_size),
561 left: self.left.to_pixels(rem_size),
562 }
563 }
564}
565
566impl Edges<Pixels> {
567 pub fn scale(&self, factor: f32) -> Edges<ScaledPixels> {
568 Edges {
569 top: self.top.scale(factor),
570 right: self.right.scale(factor),
571 bottom: self.bottom.scale(factor),
572 left: self.left.scale(factor),
573 }
574 }
575}
576
577#[derive(Refineable, Clone, Default, Debug, Eq, PartialEq)]
578#[refineable(debug)]
579#[repr(C)]
580pub struct Corners<T: Clone + Default + Debug> {
581 pub top_left: T,
582 pub top_right: T,
583 pub bottom_right: T,
584 pub bottom_left: T,
585}
586
587impl Corners<AbsoluteLength> {
588 pub fn to_pixels(&self, size: Size<Pixels>, rem_size: Pixels) -> Corners<Pixels> {
589 let max = size.width.max(size.height) / 2.;
590 Corners {
591 top_left: self.top_left.to_pixels(rem_size).min(max),
592 top_right: self.top_right.to_pixels(rem_size).min(max),
593 bottom_right: self.bottom_right.to_pixels(rem_size).min(max),
594 bottom_left: self.bottom_left.to_pixels(rem_size).min(max),
595 }
596 }
597}
598
599impl Corners<Pixels> {
600 pub fn scale(&self, factor: f32) -> Corners<ScaledPixels> {
601 Corners {
602 top_left: self.top_left.scale(factor),
603 top_right: self.top_right.scale(factor),
604 bottom_right: self.bottom_right.scale(factor),
605 bottom_left: self.bottom_left.scale(factor),
606 }
607 }
608}
609
610impl<T: Clone + Default + Debug> Corners<T> {
611 pub fn map<U>(&self, f: impl Fn(&T) -> U) -> Corners<U>
612 where
613 U: Clone + Default + Debug,
614 {
615 Corners {
616 top_left: f(&self.top_left),
617 top_right: f(&self.top_right),
618 bottom_right: f(&self.bottom_right),
619 bottom_left: f(&self.bottom_left),
620 }
621 }
622}
623
624impl<T> Mul for Corners<T>
625where
626 T: Mul<Output = T> + Clone + Default + Debug,
627{
628 type Output = Self;
629
630 fn mul(self, rhs: Self) -> Self::Output {
631 Self {
632 top_left: self.top_left.clone() * rhs.top_left,
633 top_right: self.top_right.clone() * rhs.top_right,
634 bottom_right: self.bottom_right.clone() * rhs.bottom_right,
635 bottom_left: self.bottom_left.clone() * rhs.bottom_left,
636 }
637 }
638}
639
640impl<T, S> MulAssign<S> for Corners<T>
641where
642 T: Mul<S, Output = T> + Clone + Default + Debug,
643 S: Clone,
644{
645 fn mul_assign(&mut self, rhs: S) {
646 self.top_left = self.top_left.clone() * rhs.clone();
647 self.top_right = self.top_right.clone() * rhs.clone();
648 self.bottom_right = self.bottom_right.clone() * rhs.clone();
649 self.bottom_left = self.bottom_left.clone() * rhs;
650 }
651}
652
653impl<T> Copy for Corners<T> where T: Copy + Clone + Default + Debug {}
654
655#[derive(
656 Clone,
657 Copy,
658 Default,
659 Add,
660 AddAssign,
661 Sub,
662 SubAssign,
663 Neg,
664 Div,
665 DivAssign,
666 PartialEq,
667 PartialOrd,
668 Serialize,
669 Deserialize,
670)]
671#[repr(transparent)]
672pub struct Pixels(pub(crate) f32);
673
674impl std::ops::Div for Pixels {
675 type Output = Self;
676
677 fn div(self, rhs: Self) -> Self::Output {
678 Self(self.0 / rhs.0)
679 }
680}
681
682impl std::ops::DivAssign for Pixels {
683 fn div_assign(&mut self, rhs: Self) {
684 self.0 /= rhs.0;
685 }
686}
687
688impl std::ops::RemAssign for Pixels {
689 fn rem_assign(&mut self, rhs: Self) {
690 self.0 %= rhs.0;
691 }
692}
693
694impl std::ops::Rem for Pixels {
695 type Output = Self;
696
697 fn rem(self, rhs: Self) -> Self {
698 Self(self.0 % rhs.0)
699 }
700}
701
702impl Mul<f32> for Pixels {
703 type Output = Pixels;
704
705 fn mul(self, other: f32) -> Pixels {
706 Pixels(self.0 * other)
707 }
708}
709
710impl Mul<usize> for Pixels {
711 type Output = Pixels;
712
713 fn mul(self, other: usize) -> Pixels {
714 Pixels(self.0 * other as f32)
715 }
716}
717
718impl Mul<Pixels> for f32 {
719 type Output = Pixels;
720
721 fn mul(self, rhs: Pixels) -> Self::Output {
722 Pixels(self * rhs.0)
723 }
724}
725
726impl MulAssign<f32> for Pixels {
727 fn mul_assign(&mut self, other: f32) {
728 self.0 *= other;
729 }
730}
731
732impl Pixels {
733 pub const MAX: Pixels = Pixels(f32::MAX);
734
735 pub fn as_usize(&self) -> usize {
736 self.0 as usize
737 }
738
739 pub fn as_isize(&self) -> isize {
740 self.0 as isize
741 }
742
743 pub fn floor(&self) -> Self {
744 Self(self.0.floor())
745 }
746
747 pub fn round(&self) -> Self {
748 Self(self.0.round())
749 }
750
751 pub fn scale(&self, factor: f32) -> ScaledPixels {
752 ScaledPixels(self.0 * factor)
753 }
754
755 pub fn pow(&self, exponent: f32) -> Self {
756 Self(self.0.powf(exponent))
757 }
758
759 pub fn abs(&self) -> Self {
760 Self(self.0.abs())
761 }
762}
763
764impl Mul<Pixels> for Pixels {
765 type Output = Pixels;
766
767 fn mul(self, rhs: Pixels) -> Self::Output {
768 Pixels(self.0 * rhs.0)
769 }
770}
771
772impl Eq for Pixels {}
773
774impl Ord for Pixels {
775 fn cmp(&self, other: &Self) -> cmp::Ordering {
776 self.0.partial_cmp(&other.0).unwrap()
777 }
778}
779
780impl std::hash::Hash for Pixels {
781 fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
782 self.0.to_bits().hash(state);
783 }
784}
785
786impl From<f64> for Pixels {
787 fn from(pixels: f64) -> Self {
788 Pixels(pixels as f32)
789 }
790}
791
792impl From<f32> for Pixels {
793 fn from(pixels: f32) -> Self {
794 Pixels(pixels)
795 }
796}
797
798impl Debug for Pixels {
799 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
800 write!(f, "{} px", self.0)
801 }
802}
803
804impl From<Pixels> for f32 {
805 fn from(pixels: Pixels) -> Self {
806 pixels.0
807 }
808}
809
810impl From<&Pixels> for f32 {
811 fn from(pixels: &Pixels) -> Self {
812 pixels.0
813 }
814}
815
816impl From<Pixels> for f64 {
817 fn from(pixels: Pixels) -> Self {
818 pixels.0 as f64
819 }
820}
821
822#[derive(
823 Add, AddAssign, Clone, Copy, Default, Div, Eq, Hash, Ord, PartialEq, PartialOrd, Sub, SubAssign,
824)]
825#[repr(transparent)]
826pub struct DevicePixels(pub(crate) i32);
827
828impl DevicePixels {
829 pub fn to_bytes(&self, bytes_per_pixel: u8) -> u32 {
830 self.0 as u32 * bytes_per_pixel as u32
831 }
832}
833
834impl fmt::Debug for DevicePixels {
835 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
836 write!(f, "{} px (device)", self.0)
837 }
838}
839
840impl From<DevicePixels> for i32 {
841 fn from(device_pixels: DevicePixels) -> Self {
842 device_pixels.0
843 }
844}
845
846impl From<i32> for DevicePixels {
847 fn from(device_pixels: i32) -> Self {
848 DevicePixels(device_pixels)
849 }
850}
851
852impl From<u32> for DevicePixels {
853 fn from(device_pixels: u32) -> Self {
854 DevicePixels(device_pixels as i32)
855 }
856}
857
858impl From<DevicePixels> for u32 {
859 fn from(device_pixels: DevicePixels) -> Self {
860 device_pixels.0 as u32
861 }
862}
863
864impl From<DevicePixels> for u64 {
865 fn from(device_pixels: DevicePixels) -> Self {
866 device_pixels.0 as u64
867 }
868}
869
870impl From<u64> for DevicePixels {
871 fn from(device_pixels: u64) -> Self {
872 DevicePixels(device_pixels as i32)
873 }
874}
875
876#[derive(Clone, Copy, Default, Add, AddAssign, Sub, SubAssign, Div, PartialEq, PartialOrd)]
877#[repr(transparent)]
878pub struct ScaledPixels(pub(crate) f32);
879
880impl ScaledPixels {
881 pub fn floor(&self) -> Self {
882 Self(self.0.floor())
883 }
884
885 pub fn ceil(&self) -> Self {
886 Self(self.0.ceil())
887 }
888}
889
890impl Eq for ScaledPixels {}
891
892impl Debug for ScaledPixels {
893 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
894 write!(f, "{} px (scaled)", self.0)
895 }
896}
897
898impl From<ScaledPixels> for DevicePixels {
899 fn from(scaled: ScaledPixels) -> Self {
900 DevicePixels(scaled.0.ceil() as i32)
901 }
902}
903
904impl From<DevicePixels> for ScaledPixels {
905 fn from(device: DevicePixels) -> Self {
906 ScaledPixels(device.0 as f32)
907 }
908}
909
910impl From<ScaledPixels> for f64 {
911 fn from(scaled_pixels: ScaledPixels) -> Self {
912 scaled_pixels.0 as f64
913 }
914}
915
916#[derive(Clone, Copy, Default, Add, AddAssign, Sub, SubAssign, Div, PartialEq, PartialOrd)]
917#[repr(transparent)]
918pub struct GlobalPixels(pub(crate) f32);
919
920impl Debug for GlobalPixels {
921 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
922 write!(f, "{} px (global coordinate space)", self.0)
923 }
924}
925
926impl From<GlobalPixels> for f64 {
927 fn from(global_pixels: GlobalPixels) -> Self {
928 global_pixels.0 as f64
929 }
930}
931
932impl From<f64> for GlobalPixels {
933 fn from(global_pixels: f64) -> Self {
934 GlobalPixels(global_pixels as f32)
935 }
936}
937
938impl sqlez::bindable::StaticColumnCount for GlobalPixels {}
939
940impl sqlez::bindable::Bind for GlobalPixels {
941 fn bind(
942 &self,
943 statement: &sqlez::statement::Statement,
944 start_index: i32,
945 ) -> anyhow::Result<i32> {
946 self.0.bind(statement, start_index)
947 }
948}
949
950#[derive(Clone, Copy, Default, Add, Sub, Mul, Div, Neg)]
951pub struct Rems(f32);
952
953impl Mul<Pixels> for Rems {
954 type Output = Pixels;
955
956 fn mul(self, other: Pixels) -> Pixels {
957 Pixels(self.0 * other.0)
958 }
959}
960
961impl Debug for Rems {
962 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
963 write!(f, "{} rem", self.0)
964 }
965}
966
967#[derive(Clone, Copy, Debug, Neg)]
968pub enum AbsoluteLength {
969 Pixels(Pixels),
970 Rems(Rems),
971}
972
973impl AbsoluteLength {
974 pub fn is_zero(&self) -> bool {
975 match self {
976 AbsoluteLength::Pixels(px) => px.0 == 0.,
977 AbsoluteLength::Rems(rems) => rems.0 == 0.,
978 }
979 }
980}
981
982impl From<Pixels> for AbsoluteLength {
983 fn from(pixels: Pixels) -> Self {
984 AbsoluteLength::Pixels(pixels)
985 }
986}
987
988impl From<Rems> for AbsoluteLength {
989 fn from(rems: Rems) -> Self {
990 AbsoluteLength::Rems(rems)
991 }
992}
993
994impl AbsoluteLength {
995 pub fn to_pixels(&self, rem_size: Pixels) -> Pixels {
996 match self {
997 AbsoluteLength::Pixels(pixels) => *pixels,
998 AbsoluteLength::Rems(rems) => *rems * rem_size,
999 }
1000 }
1001}
1002
1003impl Default for AbsoluteLength {
1004 fn default() -> Self {
1005 px(0.).into()
1006 }
1007}
1008
1009/// A non-auto length that can be defined in pixels, rems, or percent of parent.
1010#[derive(Clone, Copy, Neg)]
1011pub enum DefiniteLength {
1012 Absolute(AbsoluteLength),
1013 /// A fraction of the parent's size between 0 and 1.
1014 Fraction(f32),
1015}
1016
1017impl DefiniteLength {
1018 pub fn to_pixels(&self, base_size: AbsoluteLength, rem_size: Pixels) -> Pixels {
1019 match self {
1020 DefiniteLength::Absolute(size) => size.to_pixels(rem_size),
1021 DefiniteLength::Fraction(fraction) => match base_size {
1022 AbsoluteLength::Pixels(px) => px * *fraction,
1023 AbsoluteLength::Rems(rems) => rems * rem_size * *fraction,
1024 },
1025 }
1026 }
1027}
1028
1029impl Debug for DefiniteLength {
1030 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1031 match self {
1032 DefiniteLength::Absolute(length) => Debug::fmt(length, f),
1033 DefiniteLength::Fraction(fract) => write!(f, "{}%", (fract * 100.0) as i32),
1034 }
1035 }
1036}
1037
1038impl From<Pixels> for DefiniteLength {
1039 fn from(pixels: Pixels) -> Self {
1040 Self::Absolute(pixels.into())
1041 }
1042}
1043
1044impl From<Rems> for DefiniteLength {
1045 fn from(rems: Rems) -> Self {
1046 Self::Absolute(rems.into())
1047 }
1048}
1049
1050impl From<AbsoluteLength> for DefiniteLength {
1051 fn from(length: AbsoluteLength) -> Self {
1052 Self::Absolute(length)
1053 }
1054}
1055
1056impl Default for DefiniteLength {
1057 fn default() -> Self {
1058 Self::Absolute(AbsoluteLength::default())
1059 }
1060}
1061
1062/// A length that can be defined in pixels, rems, percent of parent, or auto.
1063#[derive(Clone, Copy)]
1064pub enum Length {
1065 Definite(DefiniteLength),
1066 Auto,
1067}
1068
1069impl Debug for Length {
1070 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1071 match self {
1072 Length::Definite(definite_length) => write!(f, "{:?}", definite_length),
1073 Length::Auto => write!(f, "auto"),
1074 }
1075 }
1076}
1077
1078pub fn relative(fraction: f32) -> DefiniteLength {
1079 DefiniteLength::Fraction(fraction).into()
1080}
1081
1082/// Returns the Golden Ratio, i.e. `~(1.0 + sqrt(5.0)) / 2.0`.
1083pub fn phi() -> DefiniteLength {
1084 relative(1.61803398875)
1085}
1086
1087pub fn rems(rems: f32) -> Rems {
1088 Rems(rems)
1089}
1090
1091pub const fn px(pixels: f32) -> Pixels {
1092 Pixels(pixels)
1093}
1094
1095pub fn auto() -> Length {
1096 Length::Auto
1097}
1098
1099impl From<Pixels> for Length {
1100 fn from(pixels: Pixels) -> Self {
1101 Self::Definite(pixels.into())
1102 }
1103}
1104
1105impl From<Rems> for Length {
1106 fn from(rems: Rems) -> Self {
1107 Self::Definite(rems.into())
1108 }
1109}
1110
1111impl From<DefiniteLength> for Length {
1112 fn from(length: DefiniteLength) -> Self {
1113 Self::Definite(length)
1114 }
1115}
1116
1117impl From<AbsoluteLength> for Length {
1118 fn from(length: AbsoluteLength) -> Self {
1119 Self::Definite(length.into())
1120 }
1121}
1122
1123impl Default for Length {
1124 fn default() -> Self {
1125 Self::Definite(DefiniteLength::default())
1126 }
1127}
1128
1129impl From<()> for Length {
1130 fn from(_: ()) -> Self {
1131 Self::Definite(DefiniteLength::default())
1132 }
1133}
1134
1135pub trait IsZero {
1136 fn is_zero(&self) -> bool;
1137}
1138
1139impl IsZero for DevicePixels {
1140 fn is_zero(&self) -> bool {
1141 self.0 == 0
1142 }
1143}
1144
1145impl IsZero for ScaledPixels {
1146 fn is_zero(&self) -> bool {
1147 self.0 == 0.
1148 }
1149}
1150
1151impl IsZero for Pixels {
1152 fn is_zero(&self) -> bool {
1153 self.0 == 0.
1154 }
1155}
1156
1157impl IsZero for Rems {
1158 fn is_zero(&self) -> bool {
1159 self.0 == 0.
1160 }
1161}
1162
1163impl IsZero for AbsoluteLength {
1164 fn is_zero(&self) -> bool {
1165 match self {
1166 AbsoluteLength::Pixels(pixels) => pixels.is_zero(),
1167 AbsoluteLength::Rems(rems) => rems.is_zero(),
1168 }
1169 }
1170}
1171
1172impl IsZero for DefiniteLength {
1173 fn is_zero(&self) -> bool {
1174 match self {
1175 DefiniteLength::Absolute(length) => length.is_zero(),
1176 DefiniteLength::Fraction(fraction) => *fraction == 0.,
1177 }
1178 }
1179}
1180
1181impl IsZero for Length {
1182 fn is_zero(&self) -> bool {
1183 match self {
1184 Length::Definite(length) => length.is_zero(),
1185 Length::Auto => false,
1186 }
1187 }
1188}
1189
1190impl<T: IsZero + Debug + Clone + Default> IsZero for Point<T> {
1191 fn is_zero(&self) -> bool {
1192 self.x.is_zero() && self.y.is_zero()
1193 }
1194}
1195
1196impl<T> IsZero for Size<T>
1197where
1198 T: IsZero + Default + Debug + Clone,
1199{
1200 fn is_zero(&self) -> bool {
1201 self.width.is_zero() || self.height.is_zero()
1202 }
1203}
1204
1205impl<T: IsZero + Debug + Clone + Default> IsZero for Bounds<T> {
1206 fn is_zero(&self) -> bool {
1207 self.size.is_zero()
1208 }
1209}
1210
1211impl<T> IsZero for Corners<T>
1212where
1213 T: IsZero + Clone + Default + Debug,
1214{
1215 fn is_zero(&self) -> bool {
1216 self.top_left.is_zero()
1217 && self.top_right.is_zero()
1218 && self.bottom_right.is_zero()
1219 && self.bottom_left.is_zero()
1220 }
1221}
1222
1223#[cfg(test)]
1224mod tests {
1225 use super::*;
1226
1227 #[test]
1228 fn test_bounds_intersects() {
1229 let bounds1 = Bounds {
1230 origin: Point { x: 0.0, y: 0.0 },
1231 size: Size {
1232 width: 5.0,
1233 height: 5.0,
1234 },
1235 };
1236 let bounds2 = Bounds {
1237 origin: Point { x: 4.0, y: 4.0 },
1238 size: Size {
1239 width: 5.0,
1240 height: 5.0,
1241 },
1242 };
1243 let bounds3 = Bounds {
1244 origin: Point { x: 10.0, y: 10.0 },
1245 size: Size {
1246 width: 5.0,
1247 height: 5.0,
1248 },
1249 };
1250
1251 // Test Case 1: Intersecting bounds
1252 assert_eq!(bounds1.intersects(&bounds2), true);
1253
1254 // Test Case 2: Non-Intersecting bounds
1255 assert_eq!(bounds1.intersects(&bounds3), false);
1256
1257 // Test Case 3: Bounds intersecting with themselves
1258 assert_eq!(bounds1.intersects(&bounds1), true);
1259 }
1260}