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Add support to create BGI sysgrp image

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lifegpc
2025-06-14 16:44:42 +08:00
parent 1e70036d47
commit d807b9fe5b
6 changed files with 235 additions and 11 deletions
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36
src/utils/img.rs
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@@ -52,6 +52,42 @@ pub fn convert_bgra_to_rgba(data: &mut ImageData) -> Result<()> {
Ok(())
}
pub fn convert_rgb_to_bgr(data: &mut ImageData) -> Result<()> {
if data.color_type != ImageColorType::Rgb {
return Err(anyhow::anyhow!("Image is not RGB"));
}
if data.depth != 8 {
return Err(anyhow::anyhow!(
"RGB to BGR conversion only supports 8-bit depth"
));
}
for i in (0..data.data.len()).step_by(3) {
let r = data.data[i];
data.data[i] = data.data[i + 2];
data.data[i + 2] = r;
}
data.color_type = ImageColorType::Bgr;
Ok(())
}
pub fn convert_rgba_to_bgra(data: &mut ImageData) -> Result<()> {
if data.color_type != ImageColorType::Rgba {
return Err(anyhow::anyhow!("Image is not RGBA"));
}
if data.depth != 8 {
return Err(anyhow::anyhow!(
"RGBA to BGRA conversion only supports 8-bit depth"
));
}
for i in (0..data.data.len()).step_by(4) {
let r = data.data[i];
data.data[i] = data.data[i + 2];
data.data[i + 2] = r;
}
data.color_type = ImageColorType::Bgra;
Ok(())
}
pub fn encode_img(mut data: ImageData, typ: ImageOutputType, filename: &str) -> Result<()> {
match typ {
ImageOutputType::Png => {