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use super::Shaped;
use crate::color::Color;
use crate::env::ResourceId;
use crate::geom::{Point, Size};
/// A finished layout with elements at fixed positions.
#[derive(Debug, Clone, PartialEq)]
pub struct Frame {
/// The size of the frame.
pub size: Size,
/// The elements composing this layout.
pub elements: Vec<(Point, Element)>,
}
impl Frame {
/// Create a new, empty frame.
pub fn new(size: Size) -> Self {
Self { size, elements: vec![] }
}
/// Add an element at a position.
pub fn push(&mut self, pos: Point, element: Element) {
self.elements.push((pos, element));
}
/// Add all elements of another frame, placing them relative to the given
/// position.
pub fn push_frame(&mut self, pos: Point, subframe: Self) {
for (subpos, element) in subframe.elements {
self.push(pos + subpos, element);
}
}
}
/// The building block frames are composed of.
#[derive(Debug, Clone, PartialEq)]
pub enum Element {
/// Shaped text.
Text(Shaped),
/// A geometric shape.
Geometry(Geometry),
/// A raster image.
Image(Image),
}
/// A shape with some kind of fill.
#[derive(Debug, Clone, PartialEq)]
pub struct Geometry {
/// The shape to draw.
pub shape: Shape,
/// How the shape looks on the inside.
//
// TODO: This could be made into a Vec<Fill> or something such that
// the user can compose multiple fills with alpha values less
// than one to achieve cool effects.
pub fill: Fill,
}
/// Some shape.
#[derive(Debug, Clone, PartialEq)]
pub enum Shape {
/// A rectangle.
Rect(Size),
}
/// The kind of graphic fill to be applied to a [`Shape`].
#[derive(Debug, Copy, Clone, PartialEq)]
pub enum Fill {
/// The fill is a color.
Color(Color),
/// The fill is an image.
Image(Image),
}
/// An image element.
#[derive(Debug, Copy, Clone, PartialEq)]
pub struct Image {
/// The image resource.
pub res: ResourceId,
/// The size of the image in the document.
pub size: Size,
}
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