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mappings: implement some debug traits for viewing pixbufs

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Victoria Fischer 2024-11-16 12:02:11 +01:00
parent 291affc992
commit 3517428d54
1 changed files with 39 additions and 0 deletions
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39
src/mappings.rs
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@ -4,6 +4,8 @@ use crate::lib8::scale8;
use std::cmp::max; use std::cmp::max;
use std::fmt::{Formatter, Debug}; use std::fmt::{Formatter, Debug};
use ansi_term::Color;
use rgb::Rgb;
pub trait CoordinateView: Debug { pub trait CoordinateView: Debug {
fn next(&mut self) -> Option<(VirtualCoordinates, PhysicalCoordinates)>; fn next(&mut self) -> Option<(VirtualCoordinates, PhysicalCoordinates)>;
@ -13,6 +15,43 @@ pub trait PixelMapping<CoordData: CoordLimits<Data = CoordData>> {
fn select(&self, rect: &Rectangle<CoordData, Virtual>) -> impl CoordinateView; fn select(&self, rect: &Rectangle<CoordData, Virtual>) -> impl CoordinateView;
} }
pub trait DisplayDump<T: PixelMapping<CoordData>, CoordData: CoordLimits<Data = CoordData>> {
fn dump(&self, map: &T);
}
impl<const PIXEL_NUM: usize> DisplayDump<LinearPixelMapping, u8> for [Rgb<u8>; PIXEL_NUM] {
fn dump(&self, _map: &LinearPixelMapping) {
for ref pixel in self {
print!("{}", Color::RGB(pixel.r, pixel.g, pixel.b).paint("█"));
}
println!();
}
}
impl<const PIXEL_NUM: usize> DisplayDump<StrideMapping, u8> for [Rgb<u8>; PIXEL_NUM] {
fn dump(&self, map: &StrideMapping) {
for y in 0..map.stride_count {
let stride = &map.strides[y];
for x in 0..stride.length {
let idx = if stride.reverse {
stride.physical_idx + stride.length as usize - x as usize
} else {
stride.physical_idx + x as usize
};
if idx >= self.len() {
println!();
println!("frame!!!");
return;
}
let pixel = &self[idx];
print!("{}", Color::RGB(pixel.r, pixel.g, pixel.b).paint("█"));
}
println!();
}
println!("frame!!!");
}
}
#[derive(Debug)] #[derive(Debug)]
struct LinearCoordView { struct LinearCoordView {
rect: Rectangle<u8, Virtual>, rect: Rectangle<u8, Virtual>,