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 ceil(&self) -> Self {
789 Self(self.0.ceil())
790 }
791
792 pub fn scale(&self, factor: f32) -> ScaledPixels {
793 ScaledPixels(self.0 * factor)
794 }
795
796 pub fn pow(&self, exponent: f32) -> Self {
797 Self(self.0.powf(exponent))
798 }
799
800 pub fn abs(&self) -> Self {
801 Self(self.0.abs())
802 }
803}
804
805impl Mul<Pixels> for Pixels {
806 type Output = Pixels;
807
808 fn mul(self, rhs: Pixels) -> Self::Output {
809 Pixels(self.0 * rhs.0)
810 }
811}
812
813impl Eq for Pixels {}
814
815impl Ord for Pixels {
816 fn cmp(&self, other: &Self) -> cmp::Ordering {
817 self.0.partial_cmp(&other.0).unwrap()
818 }
819}
820
821impl std::hash::Hash for Pixels {
822 fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
823 self.0.to_bits().hash(state);
824 }
825}
826
827impl From<f64> for Pixels {
828 fn from(pixels: f64) -> Self {
829 Pixels(pixels as f32)
830 }
831}
832
833impl From<f32> for Pixels {
834 fn from(pixels: f32) -> Self {
835 Pixels(pixels)
836 }
837}
838
839impl Debug for Pixels {
840 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
841 write!(f, "{} px", self.0)
842 }
843}
844
845impl From<Pixels> for f32 {
846 fn from(pixels: Pixels) -> Self {
847 pixels.0
848 }
849}
850
851impl From<&Pixels> for f32 {
852 fn from(pixels: &Pixels) -> Self {
853 pixels.0
854 }
855}
856
857impl From<Pixels> for f64 {
858 fn from(pixels: Pixels) -> Self {
859 pixels.0 as f64
860 }
861}
862
863impl From<Pixels> for u32 {
864 fn from(pixels: Pixels) -> Self {
865 pixels.0 as u32
866 }
867}
868
869impl From<u32> for Pixels {
870 fn from(pixels: u32) -> Self {
871 Pixels(pixels as f32)
872 }
873}
874
875impl From<Pixels> for usize {
876 fn from(pixels: Pixels) -> Self {
877 pixels.0 as usize
878 }
879}
880
881#[derive(
882 Add, AddAssign, Clone, Copy, Default, Div, Eq, Hash, Ord, PartialEq, PartialOrd, Sub, SubAssign,
883)]
884#[repr(transparent)]
885pub struct DevicePixels(pub(crate) i32);
886
887impl DevicePixels {
888 pub fn to_bytes(&self, bytes_per_pixel: u8) -> u32 {
889 self.0 as u32 * bytes_per_pixel as u32
890 }
891}
892
893impl fmt::Debug for DevicePixels {
894 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
895 write!(f, "{} px (device)", self.0)
896 }
897}
898
899impl From<DevicePixels> for i32 {
900 fn from(device_pixels: DevicePixels) -> Self {
901 device_pixels.0
902 }
903}
904
905impl From<i32> for DevicePixels {
906 fn from(device_pixels: i32) -> Self {
907 DevicePixels(device_pixels)
908 }
909}
910
911impl From<u32> for DevicePixels {
912 fn from(device_pixels: u32) -> Self {
913 DevicePixels(device_pixels as i32)
914 }
915}
916
917impl From<DevicePixels> for u32 {
918 fn from(device_pixels: DevicePixels) -> Self {
919 device_pixels.0 as u32
920 }
921}
922
923impl From<DevicePixels> for u64 {
924 fn from(device_pixels: DevicePixels) -> Self {
925 device_pixels.0 as u64
926 }
927}
928
929impl From<u64> for DevicePixels {
930 fn from(device_pixels: u64) -> Self {
931 DevicePixels(device_pixels as i32)
932 }
933}
934
935#[derive(Clone, Copy, Default, Add, AddAssign, Sub, SubAssign, Div, PartialEq, PartialOrd)]
936#[repr(transparent)]
937pub struct ScaledPixels(pub(crate) f32);
938
939impl ScaledPixels {
940 pub fn floor(&self) -> Self {
941 Self(self.0.floor())
942 }
943
944 pub fn ceil(&self) -> Self {
945 Self(self.0.ceil())
946 }
947}
948
949impl Eq for ScaledPixels {}
950
951impl Debug for ScaledPixels {
952 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
953 write!(f, "{} px (scaled)", self.0)
954 }
955}
956
957impl From<ScaledPixels> for DevicePixels {
958 fn from(scaled: ScaledPixels) -> Self {
959 DevicePixels(scaled.0.ceil() as i32)
960 }
961}
962
963impl From<DevicePixels> for ScaledPixels {
964 fn from(device: DevicePixels) -> Self {
965 ScaledPixels(device.0 as f32)
966 }
967}
968
969impl From<ScaledPixels> for f64 {
970 fn from(scaled_pixels: ScaledPixels) -> Self {
971 scaled_pixels.0 as f64
972 }
973}
974
975#[derive(Clone, Copy, Default, Add, AddAssign, Sub, SubAssign, Div, PartialEq, PartialOrd)]
976#[repr(transparent)]
977pub struct GlobalPixels(pub(crate) f32);
978
979impl Debug for GlobalPixels {
980 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
981 write!(f, "{} px (global coordinate space)", self.0)
982 }
983}
984
985impl From<GlobalPixels> for f64 {
986 fn from(global_pixels: GlobalPixels) -> Self {
987 global_pixels.0 as f64
988 }
989}
990
991impl From<f64> for GlobalPixels {
992 fn from(global_pixels: f64) -> Self {
993 GlobalPixels(global_pixels as f32)
994 }
995}
996
997impl sqlez::bindable::StaticColumnCount for GlobalPixels {}
998
999impl sqlez::bindable::Bind for GlobalPixels {
1000 fn bind(
1001 &self,
1002 statement: &sqlez::statement::Statement,
1003 start_index: i32,
1004 ) -> anyhow::Result<i32> {
1005 self.0.bind(statement, start_index)
1006 }
1007}
1008
1009#[derive(Clone, Copy, Default, Add, Sub, Mul, Div, Neg)]
1010pub struct Rems(f32);
1011
1012impl Mul<Pixels> for Rems {
1013 type Output = Pixels;
1014
1015 fn mul(self, other: Pixels) -> Pixels {
1016 Pixels(self.0 * other.0)
1017 }
1018}
1019
1020impl Debug for Rems {
1021 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1022 write!(f, "{} rem", self.0)
1023 }
1024}
1025
1026#[derive(Clone, Copy, Debug, Neg)]
1027pub enum AbsoluteLength {
1028 Pixels(Pixels),
1029 Rems(Rems),
1030}
1031
1032impl AbsoluteLength {
1033 pub fn is_zero(&self) -> bool {
1034 match self {
1035 AbsoluteLength::Pixels(px) => px.0 == 0.,
1036 AbsoluteLength::Rems(rems) => rems.0 == 0.,
1037 }
1038 }
1039}
1040
1041impl From<Pixels> for AbsoluteLength {
1042 fn from(pixels: Pixels) -> Self {
1043 AbsoluteLength::Pixels(pixels)
1044 }
1045}
1046
1047impl From<Rems> for AbsoluteLength {
1048 fn from(rems: Rems) -> Self {
1049 AbsoluteLength::Rems(rems)
1050 }
1051}
1052
1053impl AbsoluteLength {
1054 pub fn to_pixels(&self, rem_size: Pixels) -> Pixels {
1055 match self {
1056 AbsoluteLength::Pixels(pixels) => *pixels,
1057 AbsoluteLength::Rems(rems) => *rems * rem_size,
1058 }
1059 }
1060}
1061
1062impl Default for AbsoluteLength {
1063 fn default() -> Self {
1064 px(0.).into()
1065 }
1066}
1067
1068/// A non-auto length that can be defined in pixels, rems, or percent of parent.
1069#[derive(Clone, Copy, Neg)]
1070pub enum DefiniteLength {
1071 Absolute(AbsoluteLength),
1072 /// A fraction of the parent's size between 0 and 1.
1073 Fraction(f32),
1074}
1075
1076impl DefiniteLength {
1077 pub fn to_pixels(&self, base_size: AbsoluteLength, rem_size: Pixels) -> Pixels {
1078 match self {
1079 DefiniteLength::Absolute(size) => size.to_pixels(rem_size),
1080 DefiniteLength::Fraction(fraction) => match base_size {
1081 AbsoluteLength::Pixels(px) => px * *fraction,
1082 AbsoluteLength::Rems(rems) => rems * rem_size * *fraction,
1083 },
1084 }
1085 }
1086}
1087
1088impl Debug for DefiniteLength {
1089 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1090 match self {
1091 DefiniteLength::Absolute(length) => Debug::fmt(length, f),
1092 DefiniteLength::Fraction(fract) => write!(f, "{}%", (fract * 100.0) as i32),
1093 }
1094 }
1095}
1096
1097impl From<Pixels> for DefiniteLength {
1098 fn from(pixels: Pixels) -> Self {
1099 Self::Absolute(pixels.into())
1100 }
1101}
1102
1103impl From<Rems> for DefiniteLength {
1104 fn from(rems: Rems) -> Self {
1105 Self::Absolute(rems.into())
1106 }
1107}
1108
1109impl From<AbsoluteLength> for DefiniteLength {
1110 fn from(length: AbsoluteLength) -> Self {
1111 Self::Absolute(length)
1112 }
1113}
1114
1115impl Default for DefiniteLength {
1116 fn default() -> Self {
1117 Self::Absolute(AbsoluteLength::default())
1118 }
1119}
1120
1121/// A length that can be defined in pixels, rems, percent of parent, or auto.
1122#[derive(Clone, Copy)]
1123pub enum Length {
1124 Definite(DefiniteLength),
1125 Auto,
1126}
1127
1128impl Debug for Length {
1129 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
1130 match self {
1131 Length::Definite(definite_length) => write!(f, "{:?}", definite_length),
1132 Length::Auto => write!(f, "auto"),
1133 }
1134 }
1135}
1136
1137pub fn relative(fraction: f32) -> DefiniteLength {
1138 DefiniteLength::Fraction(fraction).into()
1139}
1140
1141/// Returns the Golden Ratio, i.e. `~(1.0 + sqrt(5.0)) / 2.0`.
1142pub fn phi() -> DefiniteLength {
1143 relative(1.61803398875)
1144}
1145
1146pub fn rems(rems: f32) -> Rems {
1147 Rems(rems)
1148}
1149
1150pub const fn px(pixels: f32) -> Pixels {
1151 Pixels(pixels)
1152}
1153
1154pub fn auto() -> Length {
1155 Length::Auto
1156}
1157
1158impl From<Pixels> for Length {
1159 fn from(pixels: Pixels) -> Self {
1160 Self::Definite(pixels.into())
1161 }
1162}
1163
1164impl From<Rems> for Length {
1165 fn from(rems: Rems) -> Self {
1166 Self::Definite(rems.into())
1167 }
1168}
1169
1170impl From<DefiniteLength> for Length {
1171 fn from(length: DefiniteLength) -> Self {
1172 Self::Definite(length)
1173 }
1174}
1175
1176impl From<AbsoluteLength> for Length {
1177 fn from(length: AbsoluteLength) -> Self {
1178 Self::Definite(length.into())
1179 }
1180}
1181
1182impl Default for Length {
1183 fn default() -> Self {
1184 Self::Definite(DefiniteLength::default())
1185 }
1186}
1187
1188impl From<()> for Length {
1189 fn from(_: ()) -> Self {
1190 Self::Definite(DefiniteLength::default())
1191 }
1192}
1193
1194pub trait IsZero {
1195 fn is_zero(&self) -> bool;
1196}
1197
1198impl IsZero for DevicePixels {
1199 fn is_zero(&self) -> bool {
1200 self.0 == 0
1201 }
1202}
1203
1204impl IsZero for ScaledPixels {
1205 fn is_zero(&self) -> bool {
1206 self.0 == 0.
1207 }
1208}
1209
1210impl IsZero for Pixels {
1211 fn is_zero(&self) -> bool {
1212 self.0 == 0.
1213 }
1214}
1215
1216impl IsZero for Rems {
1217 fn is_zero(&self) -> bool {
1218 self.0 == 0.
1219 }
1220}
1221
1222impl IsZero for AbsoluteLength {
1223 fn is_zero(&self) -> bool {
1224 match self {
1225 AbsoluteLength::Pixels(pixels) => pixels.is_zero(),
1226 AbsoluteLength::Rems(rems) => rems.is_zero(),
1227 }
1228 }
1229}
1230
1231impl IsZero for DefiniteLength {
1232 fn is_zero(&self) -> bool {
1233 match self {
1234 DefiniteLength::Absolute(length) => length.is_zero(),
1235 DefiniteLength::Fraction(fraction) => *fraction == 0.,
1236 }
1237 }
1238}
1239
1240impl IsZero for Length {
1241 fn is_zero(&self) -> bool {
1242 match self {
1243 Length::Definite(length) => length.is_zero(),
1244 Length::Auto => false,
1245 }
1246 }
1247}
1248
1249impl<T: IsZero + Debug + Clone + Default> IsZero for Point<T> {
1250 fn is_zero(&self) -> bool {
1251 self.x.is_zero() && self.y.is_zero()
1252 }
1253}
1254
1255impl<T> IsZero for Size<T>
1256where
1257 T: IsZero + Default + Debug + Clone,
1258{
1259 fn is_zero(&self) -> bool {
1260 self.width.is_zero() || self.height.is_zero()
1261 }
1262}
1263
1264impl<T: IsZero + Debug + Clone + Default> IsZero for Bounds<T> {
1265 fn is_zero(&self) -> bool {
1266 self.size.is_zero()
1267 }
1268}
1269
1270impl<T> IsZero for Corners<T>
1271where
1272 T: IsZero + Clone + Default + Debug,
1273{
1274 fn is_zero(&self) -> bool {
1275 self.top_left.is_zero()
1276 && self.top_right.is_zero()
1277 && self.bottom_right.is_zero()
1278 && self.bottom_left.is_zero()
1279 }
1280}
1281
1282#[cfg(test)]
1283mod tests {
1284 use super::*;
1285
1286 #[test]
1287 fn test_bounds_intersects() {
1288 let bounds1 = Bounds {
1289 origin: Point { x: 0.0, y: 0.0 },
1290 size: Size {
1291 width: 5.0,
1292 height: 5.0,
1293 },
1294 };
1295 let bounds2 = Bounds {
1296 origin: Point { x: 4.0, y: 4.0 },
1297 size: Size {
1298 width: 5.0,
1299 height: 5.0,
1300 },
1301 };
1302 let bounds3 = Bounds {
1303 origin: Point { x: 10.0, y: 10.0 },
1304 size: Size {
1305 width: 5.0,
1306 height: 5.0,
1307 },
1308 };
1309
1310 // Test Case 1: Intersecting bounds
1311 assert_eq!(bounds1.intersects(&bounds2), true);
1312
1313 // Test Case 2: Non-Intersecting bounds
1314 assert_eq!(bounds1.intersects(&bounds3), false);
1315
1316 // Test Case 3: Bounds intersecting with themselves
1317 assert_eq!(bounds1.intersects(&bounds1), true);
1318 }
1319}