gered/ggdt
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

add method to convert an IndexedBitmap to an RgbaBitmap

Browse source 
doing the reverse is a fair bit more complicated, so we'll leave that
alone for now!
This commit is contained in:
Gered 2023-03-13 13:02:21 -04:00
parent 99de921f64
commit bc59442311
1 changed files with 15 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
ggdt/src/graphics/bitmap/indexed/mod.rs
View file

@ -1,6 +1,7 @@
use std::path::Path; use std::path::Path;
use crate::graphics::bitmap::{Bitmap, BitmapError}; use crate::graphics::bitmap::{Bitmap, BitmapError};
use crate::graphics::bitmap::rgb::RgbaBitmap;
use crate::graphics::palette::Palette; use crate::graphics::palette::Palette;
pub mod blit; pub mod blit;
@ -54,4 +55,18 @@ impl IndexedBitmap {
*dest = palette[*src]; *dest = palette[*src];
} }
} }
/// Makes a [`RgbaBitmap`] copy of this bitmap, using the specified 256 colour palette during
/// the pixel format conversion.
///
/// # Arguments
///
/// * `palette`: the 256 colour palette to use during pixel conversion
///
/// returns: `RgbaBitmap`
pub fn to_rgba(&self, palette: &Palette) -> RgbaBitmap {
let mut output = RgbaBitmap::new(self.width, self.height).unwrap();
self.copy_as_argb_to(output.pixels_mut(), palette);
output
}
} }