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extern crate fonterator;
extern crate footile;
pub use fonterator::{
FontChain, PathOp,
PathOp::*,
PathOp::{Line, Move, Quad},
};
use footile::PixFmt;
#[derive(Copy, Clone)]
pub struct Size(pub u16, pub u16);
#[derive(Copy, Clone)]
pub struct TexCoord(pub f32, pub f32);
pub struct Image {
plotter: footile::Plotter,
raster: footile::RasterB<footile::Rgba8>,
}
impl Image {
pub fn new(size: Size) -> Self {
let (w, h) = (size.0 as u32, size.1 as u32);
Image {
plotter: footile::Plotter::new(w, h),
raster: footile::RasterB::new(w, h),
}
}
pub fn clear_ptr(&mut self, pixels: *mut u8) {
let len = self.raster.width() as usize * self.raster.height() as usize * 4;
self.clear(unsafe { std::slice::from_raw_parts_mut(pixels, len) })
}
pub fn clear(&mut self, pixels: &mut [u8]) {
self.raster.clear(footile::Rgba8::as_slice_mut(pixels));
}
pub fn draw_ptr<'b, T>(&mut self, color: [u8; 4], path: T, pixels: *mut u8)
where
T: IntoIterator<Item = &'b PathOp>,
{
let len = self.raster.width() as usize * self.raster.height() as usize * 4;
self.draw(color, path, unsafe {
std::slice::from_raw_parts_mut(pixels, len)
})
}
pub fn draw<'b, T>(&mut self, color: [u8; 4], path: T, pixels: &mut [u8])
where
T: IntoIterator<Item = &'b PathOp>,
{
let iter = path.into_iter();
let color = footile::Rgba8::new(color[0], color[1], color[2], color[3]);
self.raster.over(
self.plotter.fill(iter, footile::FillRule::NonZero),
color,
footile::Rgba8::as_slice_mut(pixels),
);
}
pub fn text_ptr(
&mut self,
color: [u8; 4],
xysize: (f32, f32, f32),
font: &FontChain,
text: &str,
pixels: *mut u8,
) {
let len = self.raster.width() as usize * self.raster.height() as usize * 4;
self.text(color, xysize, font, text, unsafe {
std::slice::from_raw_parts_mut(pixels, len)
})
}
pub fn text(
&mut self,
color: [u8; 4],
xysize: (f32, f32, f32),
font: &FontChain,
text: &str,
pixels: &mut [u8],
) {
let color = footile::Rgba8::new(color[0], color[1], color[2], color[3]);
let path = font.render(
text, (xysize.0, xysize.1), (xysize.2, xysize.2), );
self.raster.over(
self.plotter.fill(path, footile::FillRule::NonZero),
color,
footile::Rgba8::as_slice_mut(pixels),
);
}
}
pub struct Gui {}
impl Gui {
pub fn new() -> Gui {
Gui {}
}
}
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
assert_eq!(2 + 2, 4);
}
}