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use crate::*;
#[derive(Clone, Copy, Debug, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
#[cfg_attr(feature = "serde", serde(rename_all = "snake_case"))]
pub enum Align {
Min,
Center,
Max,
}
impl Align {
pub const LEFT: Self = Self::Min;
pub const RIGHT: Self = Self::Max;
pub const TOP: Self = Self::Min;
pub const BOTTOM: Self = Self::Max;
#[deprecated = "Use Self::LEFT"]
pub fn left() -> Self {
Self::LEFT
}
#[deprecated = "Use Self::RIGHT"]
pub fn right() -> Self {
Self::RIGHT
}
#[deprecated = "Use Self::TOP"]
pub fn top() -> Self {
Self::TOP
}
#[deprecated = "Use Self::BOTTOM"]
pub fn bottom() -> Self {
Self::BOTTOM
}
pub fn to_factor(&self) -> f32 {
match self {
Self::Min => 0.0,
Self::Center => 0.5,
Self::Max => 1.0,
}
}
}
impl Default for Align {
fn default() -> Align {
Align::Min
}
}
#[derive(Clone, Copy, Debug, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
#[cfg_attr(feature = "serde", serde(rename_all = "snake_case"))]
pub struct Align2(pub [Align; 2]);
impl Align2 {
pub const LEFT_BOTTOM: Align2 = Align2([Align::Min, Align::Max]);
pub const LEFT_CENTER: Align2 = Align2([Align::Min, Align::Center]);
pub const LEFT_TOP: Align2 = Align2([Align::Min, Align::Min]);
pub const CENTER_BOTTOM: Align2 = Align2([Align::Center, Align::Max]);
pub const CENTER_CENTER: Align2 = Align2([Align::Center, Align::Center]);
pub const CENTER_TOP: Align2 = Align2([Align::Center, Align::Min]);
pub const RIGHT_BOTTOM: Align2 = Align2([Align::Max, Align::Max]);
pub const RIGHT_CENTER: Align2 = Align2([Align::Max, Align::Center]);
pub const RIGHT_TOP: Align2 = Align2([Align::Max, Align::Min]);
}
impl Align2 {
pub fn x(self) -> Align {
self.0[0]
}
pub fn y(self) -> Align {
self.0[1]
}
pub fn anchor_rect(self, rect: Rect) -> Rect {
let x = match self.x() {
Align::Min => rect.left(),
Align::Center => rect.left() - 0.5 * rect.width(),
Align::Max => rect.left() - rect.width(),
};
let y = match self.y() {
Align::Min => rect.top(),
Align::Center => rect.top() - 0.5 * rect.height(),
Align::Max => rect.top() - rect.height(),
};
Rect::from_min_size(pos2(x, y), rect.size())
}
pub fn align_size_within_rect(self, size: Vec2, frame: Rect) -> Rect {
let x = match self.x() {
Align::Min => frame.left(),
Align::Center => frame.center().x - size.x / 2.0,
Align::Max => frame.right() - size.x,
};
let y = match self.y() {
Align::Min => frame.top(),
Align::Center => frame.center().y - size.y / 2.0,
Align::Max => frame.bottom() - size.y,
};
Rect::from_min_size(Pos2::new(x, y), size)
}
}
pub fn center_size_in_rect(size: Vec2, frame: Rect) -> Rect {
Align2::CENTER_CENTER.align_size_within_rect(size, frame)
}