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 const fn new(x: T, y: T) -> Self {
25 Self { x, y }
26 }
27
28 pub fn zero() -> Self {
29 Self::new(T::default(), T::default())
30 }
31
32 pub fn map<U: Clone + Default + Debug>(&self, f: impl Fn(T) -> U) -> Point<U> {
33 Point {
34 x: f(self.x.clone()),
35 y: f(self.y.clone()),
36 }
37 }
38}
39
40impl Point<Pixels> {
41 pub fn scale(&self, factor: f32) -> Point<ScaledPixels> {
42 Point {
43 x: self.x.scale(factor),
44 y: self.y.scale(factor),
45 }
46 }
47
48 pub fn magnitude(&self) -> f64 {
49 ((self.x.0.powi(2) + self.y.0.powi(2)) as f64).sqrt()
50 }
51}
52
53impl<T, Rhs> Mul<Rhs> for Point<T>
54where
55 T: Mul<Rhs, Output = T> + Clone + Default + Debug,
56 Rhs: Clone + Debug,
57{
58 type Output = Point<T>;
59
60 fn mul(self, rhs: Rhs) -> Self::Output {
61 Point {
62 x: self.x * rhs.clone(),
63 y: self.y * rhs,
64 }
65 }
66}
67
68impl<T, S> MulAssign<S> for Point<T>
69where
70 T: Clone + Mul<S, Output = T> + Default + Debug,
71 S: Clone,
72{
73 fn mul_assign(&mut self, rhs: S) {
74 self.x = self.x.clone() * rhs.clone();
75 self.y = self.y.clone() * rhs;
76 }
77}
78
79impl<T, S> Div<S> for Point<T>
80where
81 T: Div<S, Output = T> + Clone + Default + Debug,
82 S: Clone,
83{
84 type Output = Self;
85
86 fn div(self, rhs: S) -> Self::Output {
87 Self {
88 x: self.x / rhs.clone(),
89 y: self.y / rhs,
90 }
91 }
92}
93
94impl<T> Point<T>
95where
96 T: PartialOrd + Clone + Default + Debug,
97{
98 pub fn max(&self, other: &Self) -> Self {
99 Point {
100 x: if self.x >= other.x {
101 self.x.clone()
102 } else {
103 other.x.clone()
104 },
105 y: if self.y >= other.y {
106 self.y.clone()
107 } else {
108 other.y.clone()
109 },
110 }
111 }
112
113 pub fn min(&self, other: &Self) -> Self {
114 Point {
115 x: if self.x <= other.x {
116 self.x.clone()
117 } else {
118 other.x.clone()
119 },
120 y: if self.y <= other.y {
121 self.y.clone()
122 } else {
123 other.y.clone()
124 },
125 }
126 }
127
128 pub fn clamp(&self, min: &Self, max: &Self) -> Self {
129 self.max(min).min(max)
130 }
131}
132
133impl<T: Clone + Default + Debug> Clone for Point<T> {
134 fn clone(&self) -> Self {
135 Self {
136 x: self.x.clone(),
137 y: self.y.clone(),
138 }
139 }
140}
141
142#[derive(Refineable, Default, Clone, Copy, PartialEq, Div, Hash, Serialize, Deserialize)]
143#[refineable(debug)]
144#[repr(C)]
145pub struct Size<T: Clone + Default + Debug> {
146 pub width: T,
147 pub height: T,
148}
149
150pub fn size<T>(width: T, height: T) -> Size<T>
151where
152 T: Clone + Default + Debug,
153{
154 Size { width, height }
155}
156
157impl<T> Size<T>
158where
159 T: Clone + Default + Debug,
160{
161 pub fn map<U>(&self, f: impl Fn(T) -> U) -> Size<U>
162 where
163 U: Clone + Default + Debug,
164 {
165 Size {
166 width: f(self.width.clone()),
167 height: f(self.height.clone()),
168 }
169 }
170}
171
172impl Size<Pixels> {
173 pub fn scale(&self, factor: f32) -> Size<ScaledPixels> {
174 Size {
175 width: self.width.scale(factor),
176 height: self.height.scale(factor),
177 }
178 }
179}
180
181impl<T> Size<T>
182where
183 T: PartialOrd + Clone + Default + Debug,
184{
185 pub fn max(&self, other: &Self) -> Self {
186 Size {
187 width: if self.width >= other.width {
188 self.width.clone()
189 } else {
190 other.width.clone()
191 },
192 height: if self.height >= other.height {
193 self.height.clone()
194 } else {
195 other.height.clone()
196 },
197 }
198 }
199}
200
201impl<T> Sub for Size<T>
202where
203 T: Sub<Output = T> + Clone + Default + Debug,
204{
205 type Output = Size<T>;
206
207 fn sub(self, rhs: Self) -> Self::Output {
208 Size {
209 width: self.width - rhs.width,
210 height: self.height - rhs.height,
211 }
212 }
213}
214
215impl<T, Rhs> Mul<Rhs> for Size<T>
216where
217 T: Mul<Rhs, Output = Rhs> + Clone + Default + Debug,
218 Rhs: Clone + Default + Debug,
219{
220 type Output = Size<Rhs>;
221
222 fn mul(self, rhs: Rhs) -> Self::Output {
223 Size {
224 width: self.width * rhs.clone(),
225 height: self.height * rhs,
226 }
227 }
228}
229
230impl<T, S> MulAssign<S> for Size<T>
231where
232 T: Mul<S, Output = T> + Clone + Default + Debug,
233 S: Clone,
234{
235 fn mul_assign(&mut self, rhs: S) {
236 self.width = self.width.clone() * rhs.clone();
237 self.height = self.height.clone() * rhs;
238 }
239}
240
241impl<T> Eq for Size<T> where T: Eq + Default + Debug + Clone {}
242
243impl<T> Debug for Size<T>
244where
245 T: Clone + Default + Debug,
246{
247 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
248 write!(f, "Size {{ {:?} × {:?} }}", self.width, self.height)
249 }
250}
251
252impl<T: Clone + Default + Debug> From<Point<T>> for Size<T> {
253 fn from(point: Point<T>) -> Self {
254 Self {
255 width: point.x,
256 height: point.y,
257 }
258 }
259}
260
261impl From<Size<Pixels>> for Size<GlobalPixels> {
262 fn from(size: Size<Pixels>) -> Self {
263 Size {
264 width: GlobalPixels(size.width.0),
265 height: GlobalPixels(size.height.0),
266 }
267 }
268}
269
270impl From<Size<Pixels>> for Size<DefiniteLength> {
271 fn from(size: Size<Pixels>) -> Self {
272 Size {
273 width: size.width.into(),
274 height: size.height.into(),
275 }
276 }
277}
278
279impl From<Size<Pixels>> for Size<AbsoluteLength> {
280 fn from(size: Size<Pixels>) -> Self {
281 Size {
282 width: size.width.into(),
283 height: size.height.into(),
284 }
285 }
286}
287
288impl Size<Length> {
289 pub fn full() -> Self {
290 Self {
291 width: relative(1.).into(),
292 height: relative(1.).into(),
293 }
294 }
295}
296
297impl Size<DefiniteLength> {
298 pub fn zero() -> Self {
299 Self {
300 width: px(0.).into(),
301 height: px(0.).into(),
302 }
303 }
304}
305
306impl Size<Length> {
307 pub fn auto() -> Self {
308 Self {
309 width: Length::Auto,
310 height: Length::Auto,
311 }
312 }
313}
314
315#[derive(Refineable, Clone, Default, Debug, Eq, PartialEq)]
316#[refineable(debug)]
317#[repr(C)]
318pub struct Bounds<T: Clone + Default + Debug> {
319 pub origin: Point<T>,
320 pub size: Size<T>,
321}
322
323impl<T> Bounds<T>
324where
325 T: Clone + Debug + Sub<Output = T> + Default,
326{
327 pub fn from_corners(upper_left: Point<T>, lower_right: Point<T>) -> Self {
328 let origin = Point {
329 x: upper_left.x.clone(),
330 y: upper_left.y.clone(),
331 };
332 let size = Size {
333 width: lower_right.x - upper_left.x,
334 height: lower_right.y - upper_left.y,
335 };
336 Bounds { origin, size }
337 }
338}
339
340impl<T> Bounds<T>
341where
342 T: Clone + Debug + PartialOrd + Add<T, Output = T> + Sub<Output = T> + Default,
343{
344 pub fn intersects(&self, other: &Bounds<T>) -> bool {
345 let my_lower_right = self.lower_right();
346 let their_lower_right = other.lower_right();
347
348 self.origin.x < their_lower_right.x
349 && my_lower_right.x > other.origin.x
350 && self.origin.y < their_lower_right.y
351 && my_lower_right.y > other.origin.y
352 }
353
354 pub fn dilate(&mut self, amount: T) {
355 self.origin.x = self.origin.x.clone() - amount.clone();
356 self.origin.y = self.origin.y.clone() - amount.clone();
357 let double_amount = amount.clone() + amount;
358 self.size.width = self.size.width.clone() + double_amount.clone();
359 self.size.height = self.size.height.clone() + double_amount;
360 }
361}
362
363impl<T: Clone + Default + Debug + PartialOrd + Add<T, Output = T> + Sub<Output = T>> Bounds<T> {
364 pub fn intersect(&self, other: &Self) -> Self {
365 let upper_left = self.origin.max(&other.origin);
366 let lower_right = self.lower_right().min(&other.lower_right());
367 Self::from_corners(upper_left, lower_right)
368 }
369
370 pub fn union(&self, other: &Self) -> Self {
371 let top_left = self.origin.min(&other.origin);
372 let bottom_right = self.lower_right().max(&other.lower_right());
373 Bounds::from_corners(top_left, bottom_right)
374 }
375}
376
377impl<T, Rhs> Mul<Rhs> for Bounds<T>
378where
379 T: Mul<Rhs, Output = Rhs> + Clone + Default + Debug,
380 Point<T>: Mul<Rhs, Output = Point<Rhs>>,
381 Rhs: Clone + Default + Debug,
382{
383 type Output = Bounds<Rhs>;
384
385 fn mul(self, rhs: Rhs) -> Self::Output {
386 Bounds {
387 origin: self.origin * rhs.clone(),
388 size: self.size * rhs,
389 }
390 }
391}
392
393impl<T, S> MulAssign<S> for Bounds<T>
394where
395 T: Mul<S, Output = T> + Clone + Default + Debug,
396 S: Clone,
397{
398 fn mul_assign(&mut self, rhs: S) {
399 self.origin *= rhs.clone();
400 self.size *= rhs;
401 }
402}
403
404impl<T, S> Div<S> for Bounds<T>
405where
406 Size<T>: Div<S, Output = Size<T>>,
407 T: Div<S, Output = T> + Default + Clone + Debug,
408 S: Clone,
409{
410 type Output = Self;
411
412 fn div(self, rhs: S) -> Self {
413 Self {
414 origin: self.origin / rhs.clone(),
415 size: self.size / rhs,
416 }
417 }
418}
419
420impl<T> Bounds<T>
421where
422 T: Add<T, Output = T> + Clone + Default + Debug,
423{
424 pub fn upper_right(&self) -> Point<T> {
425 Point {
426 x: self.origin.x.clone() + self.size.width.clone(),
427 y: self.origin.y.clone(),
428 }
429 }
430
431 pub fn lower_right(&self) -> Point<T> {
432 Point {
433 x: self.origin.x.clone() + self.size.width.clone(),
434 y: self.origin.y.clone() + self.size.height.clone(),
435 }
436 }
437
438 pub fn lower_left(&self) -> Point<T> {
439 Point {
440 x: self.origin.x.clone(),
441 y: self.origin.y.clone() + self.size.height.clone(),
442 }
443 }
444}
445
446impl<T> Bounds<T>
447where
448 T: Add<T, Output = T> + PartialOrd + Clone + Default + Debug,
449{
450 pub fn contains_point(&self, point: &Point<T>) -> bool {
451 point.x >= self.origin.x
452 && point.x <= self.origin.x.clone() + self.size.width.clone()
453 && point.y >= self.origin.y
454 && point.y <= self.origin.y.clone() + self.size.height.clone()
455 }
456
457 pub fn map<U>(&self, f: impl Fn(T) -> U) -> Bounds<U>
458 where
459 U: Clone + Default + Debug,
460 {
461 Bounds {
462 origin: self.origin.map(&f),
463 size: self.size.map(f),
464 }
465 }
466}
467
468impl Bounds<Pixels> {
469 pub fn scale(&self, factor: f32) -> Bounds<ScaledPixels> {
470 Bounds {
471 origin: self.origin.scale(factor),
472 size: self.size.scale(factor),
473 }
474 }
475}
476
477impl<T: Clone + Debug + Copy + Default> Copy for Bounds<T> {}
478
479#[derive(Refineable, Clone, Default, Debug, Eq, PartialEq)]
480#[refineable(debug)]
481#[repr(C)]
482pub struct Edges<T: Clone + Default + Debug> {
483 pub top: T,
484 pub right: T,
485 pub bottom: T,
486 pub left: T,
487}
488
489impl<T> Mul for Edges<T>
490where
491 T: Mul<Output = T> + Clone + Default + Debug,
492{
493 type Output = Self;
494
495 fn mul(self, rhs: Self) -> Self::Output {
496 Self {
497 top: self.top.clone() * rhs.top,
498 right: self.right.clone() * rhs.right,
499 bottom: self.bottom.clone() * rhs.bottom,
500 left: self.left.clone() * rhs.left,
501 }
502 }
503}
504
505impl<T, S> MulAssign<S> for Edges<T>
506where
507 T: Mul<S, Output = T> + Clone + Default + Debug,
508 S: Clone,
509{
510 fn mul_assign(&mut self, rhs: S) {
511 self.top = self.top.clone() * rhs.clone();
512 self.right = self.right.clone() * rhs.clone();
513 self.bottom = self.bottom.clone() * rhs.clone();
514 self.left = self.left.clone() * rhs;
515 }
516}
517
518impl<T: Clone + Default + Debug + Copy> Copy for Edges<T> {}
519
520impl<T: Clone + Default + Debug> Edges<T> {
521 pub fn all(value: T) -> Self {
522 Self {
523 top: value.clone(),
524 right: value.clone(),
525 bottom: value.clone(),
526 left: value,
527 }
528 }
529
530 pub fn map<U>(&self, f: impl Fn(&T) -> U) -> Edges<U>
531 where
532 U: Clone + Default + Debug,
533 {
534 Edges {
535 top: f(&self.top),
536 right: f(&self.right),
537 bottom: f(&self.bottom),
538 left: f(&self.left),
539 }
540 }
541
542 pub fn any<F: Fn(&T) -> bool>(&self, predicate: F) -> bool {
543 predicate(&self.top)
544 || predicate(&self.right)
545 || predicate(&self.bottom)
546 || predicate(&self.left)
547 }
548}
549
550impl Edges<Length> {
551 pub fn auto() -> Self {
552 Self {
553 top: Length::Auto,
554 right: Length::Auto,
555 bottom: Length::Auto,
556 left: Length::Auto,
557 }
558 }
559
560 pub fn zero() -> Self {
561 Self {
562 top: px(0.).into(),
563 right: px(0.).into(),
564 bottom: px(0.).into(),
565 left: px(0.).into(),
566 }
567 }
568}
569
570impl Edges<DefiniteLength> {
571 pub fn zero() -> Self {
572 Self {
573 top: px(0.).into(),
574 right: px(0.).into(),
575 bottom: px(0.).into(),
576 left: px(0.).into(),
577 }
578 }
579
580 pub fn to_pixels(&self, parent_size: Size<AbsoluteLength>, rem_size: Pixels) -> Edges<Pixels> {
581 Edges {
582 top: self.top.to_pixels(parent_size.height, rem_size),
583 right: self.right.to_pixels(parent_size.width, rem_size),
584 bottom: self.bottom.to_pixels(parent_size.height, rem_size),
585 left: self.left.to_pixels(parent_size.width, rem_size),
586 }
587 }
588}
589
590impl Edges<AbsoluteLength> {
591 pub fn zero() -> Self {
592 Self {
593 top: px(0.).into(),
594 right: px(0.).into(),
595 bottom: px(0.).into(),
596 left: px(0.).into(),
597 }
598 }
599
600 pub fn to_pixels(&self, rem_size: Pixels) -> Edges<Pixels> {
601 Edges {
602 top: self.top.to_pixels(rem_size),
603 right: self.right.to_pixels(rem_size),
604 bottom: self.bottom.to_pixels(rem_size),
605 left: self.left.to_pixels(rem_size),
606 }
607 }
608}
609
610impl Edges<Pixels> {
611 pub fn scale(&self, factor: f32) -> Edges<ScaledPixels> {
612 Edges {
613 top: self.top.scale(factor),
614 right: self.right.scale(factor),
615 bottom: self.bottom.scale(factor),
616 left: self.left.scale(factor),
617 }
618 }
619}
620
621#[derive(Refineable, Clone, Default, Debug, Eq, PartialEq)]
622#[refineable(debug)]
623#[repr(C)]
624pub struct Corners<T: Clone + Default + Debug> {
625 pub top_left: T,
626 pub top_right: T,
627 pub bottom_right: T,
628 pub bottom_left: T,
629}
630
631impl Corners<AbsoluteLength> {
632 pub fn to_pixels(&self, size: Size<Pixels>, rem_size: Pixels) -> Corners<Pixels> {
633 let max = size.width.max(size.height) / 2.;
634 Corners {
635 top_left: self.top_left.to_pixels(rem_size).min(max),
636 top_right: self.top_right.to_pixels(rem_size).min(max),
637 bottom_right: self.bottom_right.to_pixels(rem_size).min(max),
638 bottom_left: self.bottom_left.to_pixels(rem_size).min(max),
639 }
640 }
641}
642
643impl Corners<Pixels> {
644 pub fn scale(&self, factor: f32) -> Corners<ScaledPixels> {
645 Corners {
646 top_left: self.top_left.scale(factor),
647 top_right: self.top_right.scale(factor),
648 bottom_right: self.bottom_right.scale(factor),
649 bottom_left: self.bottom_left.scale(factor),
650 }
651 }
652}
653
654impl<T: Clone + Default + Debug> Corners<T> {
655 pub fn map<U>(&self, f: impl Fn(&T) -> U) -> Corners<U>
656 where
657 U: Clone + Default + Debug,
658 {
659 Corners {
660 top_left: f(&self.top_left),
661 top_right: f(&self.top_right),
662 bottom_right: f(&self.bottom_right),
663 bottom_left: f(&self.bottom_left),
664 }
665 }
666}
667
668impl<T> Mul for Corners<T>
669where
670 T: Mul<Output = T> + Clone + Default + Debug,
671{
672 type Output = Self;
673
674 fn mul(self, rhs: Self) -> Self::Output {
675 Self {
676 top_left: self.top_left.clone() * rhs.top_left,
677 top_right: self.top_right.clone() * rhs.top_right,
678 bottom_right: self.bottom_right.clone() * rhs.bottom_right,
679 bottom_left: self.bottom_left.clone() * rhs.bottom_left,
680 }
681 }
682}
683
684impl<T, S> MulAssign<S> for Corners<T>
685where
686 T: Mul<S, Output = T> + Clone + Default + Debug,
687 S: Clone,
688{
689 fn mul_assign(&mut self, rhs: S) {
690 self.top_left = self.top_left.clone() * rhs.clone();
691 self.top_right = self.top_right.clone() * rhs.clone();
692 self.bottom_right = self.bottom_right.clone() * rhs.clone();
693 self.bottom_left = self.bottom_left.clone() * rhs;
694 }
695}
696
697impl<T> Copy for Corners<T> where T: Copy + Clone + Default + Debug {}
698
699#[derive(
700 Clone,
701 Copy,
702 Default,
703 Add,
704 AddAssign,
705 Sub,
706 SubAssign,
707 Neg,
708 Div,
709 DivAssign,
710 PartialEq,
711 PartialOrd,
712 Serialize,
713 Deserialize,
714)]
715#[repr(transparent)]
716pub struct Pixels(pub(crate) f32);
717
718impl std::ops::Div for Pixels {
719 type Output = f32;
720
721 fn div(self, rhs: Self) -> Self::Output {
722 self.0 / rhs.0
723 }
724}
725
726impl std::ops::DivAssign for Pixels {
727 fn div_assign(&mut self, rhs: Self) {
728 *self = Self(self.0 / rhs.0);
729 }
730}
731
732impl std::ops::RemAssign for Pixels {
733 fn rem_assign(&mut self, rhs: Self) {
734 self.0 %= rhs.0;
735 }
736}
737
738impl std::ops::Rem for Pixels {
739 type Output = Self;
740
741 fn rem(self, rhs: Self) -> Self {
742 Self(self.0 % rhs.0)
743 }
744}
745
746impl Mul<f32> for Pixels {
747 type Output = Pixels;
748
749 fn mul(self, other: f32) -> Pixels {
750 Pixels(self.0 * other)
751 }
752}
753
754impl Mul<usize> for Pixels {
755 type Output = Pixels;
756
757 fn mul(self, other: usize) -> Pixels {
758 Pixels(self.0 * other as f32)
759 }
760}
761
762impl Mul<Pixels> for f32 {
763 type Output = Pixels;
764
765 fn mul(self, rhs: Pixels) -> Self::Output {
766 Pixels(self * rhs.0)
767 }
768}
769
770impl MulAssign<f32> for Pixels {
771 fn mul_assign(&mut self, other: f32) {
772 self.0 *= other;
773 }
774}
775
776impl Pixels {
777 pub const ZERO: Pixels = Pixels(0.0);
778 pub const MAX: Pixels = Pixels(f32::MAX);
779
780 pub fn floor(&self) -> Self {
781 Self(self.0.floor())
782 }
783
784 pub fn round(&self) -> Self {
785 Self(self.0.round())
786 }
787
788 pub fn scale(&self, factor: f32) -> ScaledPixels {
789 ScaledPixels(self.0 * factor)
790 }
791
792 pub fn pow(&self, exponent: f32) -> Self {
793 Self(self.0.powf(exponent))
794 }
795
796 pub fn abs(&self) -> Self {
797 Self(self.0.abs())
798 }
799}
800
801impl Mul<Pixels> for Pixels {
802 type Output = Pixels;
803
804 fn mul(self, rhs: Pixels) -> Self::Output {
805 Pixels(self.0 * rhs.0)
806 }
807}
808
809impl Eq for Pixels {}
810
811impl Ord for Pixels {
812 fn cmp(&self, other: &Self) -> cmp::Ordering {
813 self.0.partial_cmp(&other.0).unwrap()
814 }
815}
816
817impl std::hash::Hash for Pixels {
818 fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
819 self.0.to_bits().hash(state);
820 }
821}
822
823impl From<f64> for Pixels {
824 fn from(pixels: f64) -> Self {
825 Pixels(pixels as f32)
826 }
827}
828
829impl From<f32> for Pixels {
830 fn from(pixels: f32) -> Self {
831 Pixels(pixels)
832 }
833}
834
835impl Debug for Pixels {
836 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
837 write!(f, "{} px", self.0)
838 }
839}
840
841impl From<Pixels> for f32 {
842 fn from(pixels: Pixels) -> Self {
843 pixels.0
844 }
845}
846
847impl From<&Pixels> for f32 {
848 fn from(pixels: &Pixels) -> Self {
849 pixels.0
850 }
851}
852
853impl From<Pixels> for f64 {
854 fn from(pixels: Pixels) -> Self {
855 pixels.0 as f64
856 }
857}
858
859impl From<Pixels> for u32 {
860 fn from(pixels: Pixels) -> Self {
861 pixels.0 as u32
862 }
863}
864
865impl From<u32> for Pixels {
866 fn from(pixels: u32) -> Self {
867 Pixels(pixels as f32)
868 }
869}
870
871impl From<Pixels> for usize {
872 fn from(pixels: Pixels) -> Self {
873 pixels.0 as usize
874 }
875}
876
877#[derive(
878 Add, AddAssign, Clone, Copy, Default, Div, Eq, Hash, Ord, PartialEq, PartialOrd, Sub, SubAssign,
879)]
880#[repr(transparent)]
881pub struct DevicePixels(pub(crate) i32);
882
883impl DevicePixels {
884 pub fn to_bytes(&self, bytes_per_pixel: u8) -> u32 {
885 self.0 as u32 * bytes_per_pixel as u32
886 }
887}
888
889impl fmt::Debug for DevicePixels {
890 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
891 write!(f, "{} px (device)", self.0)
892 }
893}
894
895impl From<DevicePixels> for i32 {
896 fn from(device_pixels: DevicePixels) -> Self {
897 device_pixels.0
898 }
899}
900
901impl From<i32> for DevicePixels {
902 fn from(device_pixels: i32) -> Self {
903 DevicePixels(device_pixels)
904 }
905}
906
907impl From<u32> for DevicePixels {
908 fn from(device_pixels: u32) -> Self {
909 DevicePixels(device_pixels as i32)
910 }
911}
912
913impl From<DevicePixels> for u32 {
914 fn from(device_pixels: DevicePixels) -> Self {
915 device_pixels.0 as u32
916 }
917}
918
919impl From<DevicePixels> for u64 {
920 fn from(device_pixels: DevicePixels) -> Self {
921 device_pixels.0 as u64
922 }
923}
924
925impl From<u64> for DevicePixels {
926 fn from(device_pixels: u64) -> Self {
927 DevicePixels(device_pixels as i32)
928 }
929}
930
931#[derive(Clone, Copy, Default, Add, AddAssign, Sub, SubAssign, Div, PartialEq, PartialOrd)]
932#[repr(transparent)]
933pub struct ScaledPixels(pub(crate) f32);
934
935impl ScaledPixels {
936 pub fn floor(&self) -> Self {
937 Self(self.0.floor())
938 }
939
940 pub fn ceil(&self) -> Self {
941 Self(self.0.ceil())
942 }
943}
944
945impl Eq for ScaledPixels {}
946
947impl Debug for ScaledPixels {
948 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
949 write!(f, "{} px (scaled)", self.0)
950 }
951}
952
953impl From<ScaledPixels> for DevicePixels {
954 fn from(scaled: ScaledPixels) -> Self {
955 DevicePixels(scaled.0.ceil() as i32)
956 }
957}
958
959impl From<DevicePixels> for ScaledPixels {
960 fn from(device: DevicePixels) -> Self {
961 ScaledPixels(device.0 as f32)
962 }
963}
964
965impl From<ScaledPixels> for f64 {
966 fn from(scaled_pixels: ScaledPixels) -> Self {
967 scaled_pixels.0 as f64
968 }
969}
970
971#[derive(Clone, Copy, Default, Add, AddAssign, Sub, SubAssign, Div, PartialEq, PartialOrd)]
972#[repr(transparent)]
973pub struct GlobalPixels(pub(crate) f32);
974
975impl Debug for GlobalPixels {
976 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
977 write!(f, "{} px (global coordinate space)", self.0)
978 }
979}
980
981impl From<GlobalPixels> for f64 {
982 fn from(global_pixels: GlobalPixels) -> Self {
983 global_pixels.0 as f64
984 }
985}
986
987impl From<f64> for GlobalPixels {
988 fn from(global_pixels: f64) -> Self {
989 GlobalPixels(global_pixels as f32)
990 }
991}
992
993impl sqlez::bindable::StaticColumnCount for GlobalPixels {}
994
995impl sqlez::bindable::Bind for GlobalPixels {
996 fn bind(
997 &self,
998 statement: &sqlez::statement::Statement,
999 start_index: i32,
1000 ) -> anyhow::Result<i32> {
1001 self.0.bind(statement, start_index)
1002 }
1003}
1004
1005#[derive(Clone, Copy, Default, Add, Sub, Mul, Div, Neg)]
1006pub struct Rems(f32);
1007
1008impl Mul<Pixels> for Rems {
1009 type Output = Pixels;
1010
1011 fn mul(self, other: Pixels) -> Pixels {
1012 Pixels(self.0 * other.0)
1013 }
1014}
1015
1016impl Debug for Rems {
1017 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1018 write!(f, "{} rem", self.0)
1019 }
1020}
1021
1022#[derive(Clone, Copy, Debug, Neg)]
1023pub enum AbsoluteLength {
1024 Pixels(Pixels),
1025 Rems(Rems),
1026}
1027
1028impl AbsoluteLength {
1029 pub fn is_zero(&self) -> bool {
1030 match self {
1031 AbsoluteLength::Pixels(px) => px.0 == 0.,
1032 AbsoluteLength::Rems(rems) => rems.0 == 0.,
1033 }
1034 }
1035}
1036
1037impl From<Pixels> for AbsoluteLength {
1038 fn from(pixels: Pixels) -> Self {
1039 AbsoluteLength::Pixels(pixels)
1040 }
1041}
1042
1043impl From<Rems> for AbsoluteLength {
1044 fn from(rems: Rems) -> Self {
1045 AbsoluteLength::Rems(rems)
1046 }
1047}
1048
1049impl AbsoluteLength {
1050 pub fn to_pixels(&self, rem_size: Pixels) -> Pixels {
1051 match self {
1052 AbsoluteLength::Pixels(pixels) => *pixels,
1053 AbsoluteLength::Rems(rems) => *rems * rem_size,
1054 }
1055 }
1056}
1057
1058impl Default for AbsoluteLength {
1059 fn default() -> Self {
1060 px(0.).into()
1061 }
1062}
1063
1064/// A non-auto length that can be defined in pixels, rems, or percent of parent.
1065#[derive(Clone, Copy, Neg)]
1066pub enum DefiniteLength {
1067 Absolute(AbsoluteLength),
1068 /// A fraction of the parent's size between 0 and 1.
1069 Fraction(f32),
1070}
1071
1072impl DefiniteLength {
1073 pub fn to_pixels(&self, base_size: AbsoluteLength, rem_size: Pixels) -> Pixels {
1074 match self {
1075 DefiniteLength::Absolute(size) => size.to_pixels(rem_size),
1076 DefiniteLength::Fraction(fraction) => match base_size {
1077 AbsoluteLength::Pixels(px) => px * *fraction,
1078 AbsoluteLength::Rems(rems) => rems * rem_size * *fraction,
1079 },
1080 }
1081 }
1082}
1083
1084impl Debug for DefiniteLength {
1085 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1086 match self {
1087 DefiniteLength::Absolute(length) => Debug::fmt(length, f),
1088 DefiniteLength::Fraction(fract) => write!(f, "{}%", (fract * 100.0) as i32),
1089 }
1090 }
1091}
1092
1093impl From<Pixels> for DefiniteLength {
1094 fn from(pixels: Pixels) -> Self {
1095 Self::Absolute(pixels.into())
1096 }
1097}
1098
1099impl From<Rems> for DefiniteLength {
1100 fn from(rems: Rems) -> Self {
1101 Self::Absolute(rems.into())
1102 }
1103}
1104
1105impl From<AbsoluteLength> for DefiniteLength {
1106 fn from(length: AbsoluteLength) -> Self {
1107 Self::Absolute(length)
1108 }
1109}
1110
1111impl Default for DefiniteLength {
1112 fn default() -> Self {
1113 Self::Absolute(AbsoluteLength::default())
1114 }
1115}
1116
1117/// A length that can be defined in pixels, rems, percent of parent, or auto.
1118#[derive(Clone, Copy)]
1119pub enum Length {
1120 Definite(DefiniteLength),
1121 Auto,
1122}
1123
1124impl Debug for Length {
1125 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1126 match self {
1127 Length::Definite(definite_length) => write!(f, "{:?}", definite_length),
1128 Length::Auto => write!(f, "auto"),
1129 }
1130 }
1131}
1132
1133pub fn relative(fraction: f32) -> DefiniteLength {
1134 DefiniteLength::Fraction(fraction).into()
1135}
1136
1137/// Returns the Golden Ratio, i.e. `~(1.0 + sqrt(5.0)) / 2.0`.
1138pub fn phi() -> DefiniteLength {
1139 relative(1.61803398875)
1140}
1141
1142pub fn rems(rems: f32) -> Rems {
1143 Rems(rems)
1144}
1145
1146pub const fn px(pixels: f32) -> Pixels {
1147 Pixels(pixels)
1148}
1149
1150pub fn auto() -> Length {
1151 Length::Auto
1152}
1153
1154impl From<Pixels> for Length {
1155 fn from(pixels: Pixels) -> Self {
1156 Self::Definite(pixels.into())
1157 }
1158}
1159
1160impl From<Rems> for Length {
1161 fn from(rems: Rems) -> Self {
1162 Self::Definite(rems.into())
1163 }
1164}
1165
1166impl From<DefiniteLength> for Length {
1167 fn from(length: DefiniteLength) -> Self {
1168 Self::Definite(length)
1169 }
1170}
1171
1172impl From<AbsoluteLength> for Length {
1173 fn from(length: AbsoluteLength) -> Self {
1174 Self::Definite(length.into())
1175 }
1176}
1177
1178impl Default for Length {
1179 fn default() -> Self {
1180 Self::Definite(DefiniteLength::default())
1181 }
1182}
1183
1184impl From<()> for Length {
1185 fn from(_: ()) -> Self {
1186 Self::Definite(DefiniteLength::default())
1187 }
1188}
1189
1190pub trait IsZero {
1191 fn is_zero(&self) -> bool;
1192}
1193
1194impl IsZero for DevicePixels {
1195 fn is_zero(&self) -> bool {
1196 self.0 == 0
1197 }
1198}
1199
1200impl IsZero for ScaledPixels {
1201 fn is_zero(&self) -> bool {
1202 self.0 == 0.
1203 }
1204}
1205
1206impl IsZero for Pixels {
1207 fn is_zero(&self) -> bool {
1208 self.0 == 0.
1209 }
1210}
1211
1212impl IsZero for Rems {
1213 fn is_zero(&self) -> bool {
1214 self.0 == 0.
1215 }
1216}
1217
1218impl IsZero for AbsoluteLength {
1219 fn is_zero(&self) -> bool {
1220 match self {
1221 AbsoluteLength::Pixels(pixels) => pixels.is_zero(),
1222 AbsoluteLength::Rems(rems) => rems.is_zero(),
1223 }
1224 }
1225}
1226
1227impl IsZero for DefiniteLength {
1228 fn is_zero(&self) -> bool {
1229 match self {
1230 DefiniteLength::Absolute(length) => length.is_zero(),
1231 DefiniteLength::Fraction(fraction) => *fraction == 0.,
1232 }
1233 }
1234}
1235
1236impl IsZero for Length {
1237 fn is_zero(&self) -> bool {
1238 match self {
1239 Length::Definite(length) => length.is_zero(),
1240 Length::Auto => false,
1241 }
1242 }
1243}
1244
1245impl<T: IsZero + Debug + Clone + Default> IsZero for Point<T> {
1246 fn is_zero(&self) -> bool {
1247 self.x.is_zero() && self.y.is_zero()
1248 }
1249}
1250
1251impl<T> IsZero for Size<T>
1252where
1253 T: IsZero + Default + Debug + Clone,
1254{
1255 fn is_zero(&self) -> bool {
1256 self.width.is_zero() || self.height.is_zero()
1257 }
1258}
1259
1260impl<T: IsZero + Debug + Clone + Default> IsZero for Bounds<T> {
1261 fn is_zero(&self) -> bool {
1262 self.size.is_zero()
1263 }
1264}
1265
1266impl<T> IsZero for Corners<T>
1267where
1268 T: IsZero + Clone + Default + Debug,
1269{
1270 fn is_zero(&self) -> bool {
1271 self.top_left.is_zero()
1272 && self.top_right.is_zero()
1273 && self.bottom_right.is_zero()
1274 && self.bottom_left.is_zero()
1275 }
1276}
1277
1278#[cfg(test)]
1279mod tests {
1280 use super::*;
1281
1282 #[test]
1283 fn test_bounds_intersects() {
1284 let bounds1 = Bounds {
1285 origin: Point { x: 0.0, y: 0.0 },
1286 size: Size {
1287 width: 5.0,
1288 height: 5.0,
1289 },
1290 };
1291 let bounds2 = Bounds {
1292 origin: Point { x: 4.0, y: 4.0 },
1293 size: Size {
1294 width: 5.0,
1295 height: 5.0,
1296 },
1297 };
1298 let bounds3 = Bounds {
1299 origin: Point { x: 10.0, y: 10.0 },
1300 size: Size {
1301 width: 5.0,
1302 height: 5.0,
1303 },
1304 };
1305
1306 // Test Case 1: Intersecting bounds
1307 assert_eq!(bounds1.intersects(&bounds2), true);
1308
1309 // Test Case 2: Non-Intersecting bounds
1310 assert_eq!(bounds1.intersects(&bounds3), false);
1311
1312 // Test Case 3: Bounds intersecting with themselves
1313 assert_eq!(bounds1.intersects(&bounds1), true);
1314 }
1315}