2019-02-05 13:03:20 -05:00
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// pathfinder/geometry/src/basic/rect.rs
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//
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// Copyright © 2019 The Pathfinder Project Developers.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! 2D axis-aligned rectangles, optimized with SIMD.
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2019-06-03 15:39:29 -04:00
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use crate::basic::vector::{Vector2F, Vector2I};
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use pathfinder_simd::default::{F32x4, I32x4};
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#[derive(Clone, Copy, Debug, PartialEq, Default)]
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pub struct RectF(pub F32x4);
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impl RectF {
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#[inline]
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pub fn new(origin: Vector2F, size: Vector2F) -> RectF {
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RectF(origin.0.concat_xy_xy(origin.0 + size.0))
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}
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#[inline]
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pub fn from_points(origin: Vector2F, lower_right: Vector2F) -> RectF {
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RectF(origin.0.concat_xy_xy(lower_right.0))
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}
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#[inline]
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pub fn origin(&self) -> Vector2F {
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Vector2F(self.0)
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}
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#[inline]
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pub fn size(&self) -> Vector2F {
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Vector2F(self.0.zwxy() - self.0.xyxy())
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}
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#[inline]
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pub fn upper_right(&self) -> Vector2F {
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Vector2F(self.0.zyxw())
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}
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#[inline]
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pub fn lower_left(&self) -> Vector2F {
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Vector2F(self.0.xwzy())
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}
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#[inline]
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pub fn lower_right(&self) -> Vector2F {
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Vector2F(self.0.zwxy())
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}
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#[inline]
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pub fn contains_point(&self, point: Vector2F) -> bool {
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// self.origin <= point && point <= self.lower_right
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self.0
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.concat_xy_xy(point.0)
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.packed_le(point.0.concat_xy_zw(self.0))
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.is_all_ones()
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}
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#[inline]
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pub fn contains_rect(&self, other: RectF) -> bool {
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// self.origin <= other.origin && other.lower_right <= self.lower_right
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self.0
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.concat_xy_zw(other.0)
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.packed_le(other.0.concat_xy_zw(self.0))
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.is_all_ones()
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}
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#[inline]
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pub fn is_empty(&self) -> bool {
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self.origin() == self.lower_right()
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}
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#[inline]
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pub fn union_point(&self, point: Vector2F) -> RectF {
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RectF::from_points(self.origin().min(point), self.lower_right().max(point))
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}
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#[inline]
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pub fn union_rect(&self, other: RectF) -> RectF {
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RectF::from_points(
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self.origin().min(other.origin()),
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self.lower_right().max(other.lower_right()),
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)
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}
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#[inline]
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pub fn intersects(&self, other: RectF) -> bool {
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// self.origin < other.lower_right && other.origin < self.lower_right
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self.0
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.concat_xy_xy(other.0)
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.packed_lt(other.0.concat_zw_zw(self.0))
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.is_all_ones()
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}
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#[inline]
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pub fn intersection(&self, other: RectF) -> Option<RectF> {
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if !self.intersects(other) {
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None
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} else {
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Some(RectF::from_points(
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self.origin().max(other.origin()),
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self.lower_right().min(other.lower_right()),
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))
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}
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}
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#[inline]
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pub fn min_x(self) -> f32 {
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self.0[0]
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}
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#[inline]
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pub fn min_y(self) -> f32 {
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self.0[1]
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}
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#[inline]
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pub fn max_x(self) -> f32 {
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self.0[2]
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}
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#[inline]
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pub fn max_y(self) -> f32 {
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self.0[3]
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}
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#[inline]
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pub fn scale_xy(self, factors: Vector2F) -> RectF {
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RectF(self.0 * factors.0.concat_xy_xy(factors.0))
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}
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#[inline]
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pub fn round_out(self) -> RectF {
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RectF::from_points(self.origin().floor(), self.lower_right().ceil())
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}
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#[inline]
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pub fn dilate(self, amount: Vector2F) -> RectF {
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RectF::from_points(self.origin() - amount, self.lower_right() + amount)
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}
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#[inline]
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pub fn to_i32(&self) -> RectI {
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RectI(self.0.to_i32x4())
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}
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}
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#[derive(Clone, Copy, Debug, PartialEq, Default)]
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pub struct RectI(pub I32x4);
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impl RectI {
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#[inline]
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pub fn new(origin: Vector2I, size: Vector2I) -> RectI {
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RectI(origin.0.concat_xy_xy(origin.0 + size.0))
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}
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#[inline]
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pub fn from_points(origin: Vector2I, lower_right: Vector2I) -> RectI {
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RectI(origin.0.concat_xy_xy(lower_right.0))
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}
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#[inline]
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pub fn origin(&self) -> Vector2I {
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Vector2I(self.0)
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}
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#[inline]
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pub fn size(&self) -> Vector2I {
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Vector2I(self.0.zwxy() - self.0.xyxy())
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}
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#[inline]
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pub fn upper_right(&self) -> Vector2I {
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Vector2I(self.0.zyxw())
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}
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#[inline]
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pub fn lower_left(&self) -> Vector2I {
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Vector2I(self.0.xwzy())
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}
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#[inline]
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pub fn lower_right(&self) -> Vector2I {
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Vector2I(self.0.zwxy())
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}
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#[inline]
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pub fn min_x(self) -> i32 {
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self.0[0]
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}
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#[inline]
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pub fn min_y(self) -> i32 {
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self.0[1]
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}
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#[inline]
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pub fn max_x(self) -> i32 {
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self.0[2]
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}
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#[inline]
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pub fn max_y(self) -> i32 {
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self.0[3]
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}
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#[inline]
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pub fn contains_point(&self, point: Vector2I) -> bool {
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// self.origin <= point && point <= self.lower_right - 1
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let lower_right = self.lower_right() - Vector2I::splat(1);
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self.0
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.concat_xy_xy(point.0)
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.packed_le(point.0.concat_xy_xy(lower_right.0))
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.is_all_ones()
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}
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#[inline]
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pub fn to_f32(&self) -> RectF {
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RectF(self.0.to_f32x4())
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}
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}
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