G2/lbee-utils
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Allow saving PNG files from CZs with bitmaps which are incorrectly sized

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G2-Games 2024-05-22 06:22:52 -05:00
parent 74ee617a04
commit 67700df6ef
3 changed files with 8 additions and 3 deletions
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6
cz/src/common.rs
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@ -408,9 +408,13 @@ pub fn indexed_gen_palette(
input: &[u8], input: &[u8],
header: &CommonHeader, header: &CommonHeader,
) -> Result<(Vec<u8>, Vec<image::Rgba<u8>>), CzError> { ) -> Result<(Vec<u8>, Vec<image::Rgba<u8>>), CzError> {
let size = (header.width() as u32 * header.height() as u32) * 4;
let mut buf = vec![0; size as usize];
buf[..input.len()].copy_from_slice(&input);
let image = Image::new( let image = Image::new(
input, &buf,
header.width() as usize, header.width() as usize,
header.height() as usize header.height() as usize
).unwrap(); ).unwrap();

2
cz/src/dynamic.rs
View file

@ -71,7 +71,7 @@ impl DynamicCz {
if bitmap.len() != image_size * (header_common.depth() >> 3) as usize { if bitmap.len() != image_size * (header_common.depth() >> 3) as usize {
// If the bitmap is smaller or larger than the image size, it is likely wrong // If the bitmap is smaller or larger than the image size, it is likely wrong
eprintln!("Image is wrong, length is {}, expected {}", bitmap.len(), image_size * (header_common.depth() >> 3) as usize); eprintln!("Image is wrong, length is {}, expected {}", bitmap.len(), image_size * (header_common.depth() >> 3) as usize);
//return Err(CzError::Corrupt); return Err(CzError::Corrupt);
} }
match header_common.depth() { match header_common.depth() {

3
utils/src/main.rs
View file

@ -14,7 +14,8 @@ fn main() {
let mut gallery_cz = DynamicCz::open("24.cz2").unwrap(); let mut gallery_cz = DynamicCz::open("24.cz2").unwrap();
gallery_cz.save_as_png("24.png").unwrap(); gallery_cz.save_as_png("24.png").unwrap();
//gallery_cz.header_mut().set_depth(8); gallery_cz.set_bitmap(new_bitmap.into_vec());
gallery_cz.header_mut().set_depth(8);
gallery_cz.remove_palette(); gallery_cz.remove_palette();
gallery_cz.header_mut().set_version(CzVersion::CZ2); gallery_cz.header_mut().set_version(CzVersion::CZ2);
gallery_cz.save_as_cz("24-modified.cz2").unwrap(); gallery_cz.save_as_cz("24-modified.cz2").unwrap();