Add pimg extract support

This commit is contained in:
2025-07-03 13:10:34 +08:00
parent 53ebb9612f
commit 64ac525bce
10 changed files with 507 additions and 37 deletions

View File

@@ -390,39 +390,3 @@ impl<'a> Hg3Reader<'a> {
Ok(img)
}
}
fn draw_on_canvas(
img: ImageData,
canvas_width: u32,
canvas_height: u32,
offset_x: u32,
offset_y: u32,
) -> Result<ImageData> {
let bytes_per_pixel = img.color_type.bpp(img.depth) as u32 / 8;
let mut canvas_data = vec![0u8; (canvas_width * canvas_height * bytes_per_pixel) as usize];
let canvas_stride = canvas_width * bytes_per_pixel;
let img_stride = img.width * bytes_per_pixel;
for y in 0..img.height {
let canvas_y = y + offset_y;
if canvas_y >= canvas_height {
continue;
}
let canvas_start = (canvas_y * canvas_stride + offset_x * bytes_per_pixel) as usize;
let img_start = (y * img_stride) as usize;
let copy_len = img_stride as usize;
if canvas_start + copy_len > canvas_data.len() {
continue;
}
canvas_data[canvas_start..canvas_start + copy_len]
.copy_from_slice(&img.data[img_start..img_start + copy_len]);
}
Ok(ImageData {
width: canvas_width,
height: canvas_height,
color_type: img.color_type,
depth: img.depth,
data: canvas_data,
})
}

View File

@@ -1 +1,2 @@
pub mod pimg;
pub mod tlg;

View File

@@ -0,0 +1,334 @@
use crate::ext::io::*;
use crate::ext::psb::*;
use crate::scripts::base::*;
use crate::try_option;
use crate::types::*;
use crate::utils::img::*;
use anyhow::Result;
use emote_psb::PsbReader;
use libtlg_rs::*;
use std::collections::HashMap;
use std::io::{Read, Seek};
use std::path::Path;
#[derive(Debug)]
pub struct PImgBuilder {}
impl PImgBuilder {
pub const fn new() -> Self {
Self {}
}
}
impl ScriptBuilder for PImgBuilder {
fn default_encoding(&self) -> Encoding {
Encoding::Utf8
}
fn build_script(
&self,
buf: Vec<u8>,
filename: &str,
_encoding: Encoding,
_archive_encoding: Encoding,
config: &ExtraConfig,
) -> Result<Box<dyn Script>> {
Ok(Box::new(PImg::new(MemReader::new(buf), filename, config)?))
}
fn build_script_from_file(
&self,
filename: &str,
_encoding: Encoding,
_archive_encoding: Encoding,
config: &ExtraConfig,
) -> Result<Box<dyn Script>> {
if filename == "-" {
let data = crate::utils::files::read_file(filename)?;
Ok(Box::new(PImg::new(MemReader::new(data), filename, config)?))
} else {
let f = std::fs::File::open(filename)?;
let reader = std::io::BufReader::new(f);
Ok(Box::new(PImg::new(reader, filename, config)?))
}
}
fn build_script_from_reader(
&self,
reader: Box<dyn ReadSeek>,
filename: &str,
_encoding: Encoding,
_archive_encoding: Encoding,
config: &ExtraConfig,
) -> Result<Box<dyn Script>> {
Ok(Box::new(PImg::new(reader, filename, config)?))
}
fn extensions(&self) -> &'static [&'static str] {
&["pimg"]
}
fn script_type(&self) -> &'static ScriptType {
&ScriptType::KirikiriPimg
}
fn is_this_format(&self, filename: &str, buf: &[u8], buf_len: usize) -> Option<u8> {
if Path::new(filename)
.extension()
.map(|ext| ext.to_ascii_lowercase() == "pimg")
.unwrap_or(false)
&& buf_len >= 4
&& buf.starts_with(b"PSB\0")
{
return Some(255);
}
None
}
fn is_image(&self) -> bool {
true
}
}
#[derive(Debug)]
pub struct PImg {
psb: VirtualPsbFixed,
}
impl PImg {
pub fn new<R: Read + Seek>(reader: R, filename: &str, _config: &ExtraConfig) -> Result<Self> {
let mut psb = PsbReader::open_psb(reader)
.map_err(|e| anyhow::anyhow!("Failed to open PSB from {}: {:?}", filename, e))?;
let psb = psb
.load()
.map_err(|e| anyhow::anyhow!("Failed to load PSB from {}: {:?}", filename, e))?
.to_psb_fixed();
Ok(Self { psb })
}
fn load_img(&self, layer_id: i64) -> Result<Tlg> {
let layer_id = layer_id as usize;
let psb = self.psb.root();
let reference = &psb[format!("{layer_id}.tlg")];
let resource_id = reference
.resource_id()
.ok_or_else(|| anyhow::anyhow!("Layer {layer_id} does not have a resource ID"))?
as usize;
if resource_id >= self.psb.resources().len() {
return Err(anyhow::anyhow!(
"Resource ID {resource_id} for layer {layer_id} is out of bounds"
));
}
let resource = &self.psb.resources()[resource_id];
Ok(load_tlg(MemReaderRef::new(&resource))?)
}
}
impl Script for PImg {
fn default_output_script_type(&self) -> OutputScriptType {
OutputScriptType::Json
}
fn default_format_type(&self) -> FormatOptions {
FormatOptions::None
}
fn is_image(&self) -> bool {
true
}
fn is_multi_image(&self) -> bool {
true
}
fn export_multi_image<'a>(
&'a self,
) -> Result<Box<dyn Iterator<Item = Result<ImageDataWithName>> + 'a>> {
let psb = self.psb.root();
let width = psb["width"]
.as_u32()
.ok_or(anyhow::anyhow!("missing width"))?;
let height = psb["height"]
.as_u32()
.ok_or(anyhow::anyhow!("missing height"))?;
if !psb["layers"].is_list() {
return Err(anyhow::anyhow!("layers is not a list"));
}
if psb["layers"].len() == 0 {
return Ok(Box::new(std::iter::empty()));
}
let mut bases = HashMap::new();
for i in psb["layers"].members() {
if !i["diff_id"].is_none() {
continue; // Skip layers with diff_id
}
let layer_id = i["layer_id"]
.as_i64()
.ok_or(anyhow::anyhow!("missing layer_id"))?;
let top = i["top"].as_u32().ok_or(anyhow::anyhow!("missing top"))?;
let left = i["left"].as_u32().ok_or(anyhow::anyhow!("missing left"))?;
let opacity = i["opacity"]
.as_u8()
.ok_or_else(|| anyhow::anyhow!("Layer does not have a valid opacity"))?;
bases.insert(layer_id, (self.load_img(layer_id)?, top, left, opacity));
}
Ok(Box::new(PImgIter {
pimg: self,
width,
height,
layers: psb["layers"].members(),
bases,
}))
}
}
struct PImgIter<'a> {
pimg: &'a PImg,
width: u32,
height: u32,
layers: ListIter<'a>,
bases: HashMap<i64, (Tlg, u32, u32, u8)>,
}
impl<'a> Iterator for PImgIter<'a> {
type Item = Result<ImageDataWithName>;
fn next(&mut self) -> Option<Self::Item> {
match self.layers.next() {
Some(layer) => {
let layer_id =
try_option!(layer["layer_id"].as_i64().ok_or_else(|| {
anyhow::anyhow!("Layer does not have a valid layer_id")
}));
let layer_name = try_option!(
layer["name"]
.as_str()
.ok_or_else(|| { anyhow::anyhow!("Layer does not have a valid name") })
);
let width = try_option!(
layer["width"]
.as_u32()
.ok_or_else(|| { anyhow::anyhow!("Layer does not have a valid width") })
);
let height = try_option!(
layer["height"]
.as_u32()
.ok_or_else(|| { anyhow::anyhow!("Layer does not have a valid height") })
);
let top = try_option!(
layer["top"]
.as_u32()
.ok_or_else(|| { anyhow::anyhow!("Layer does not have a valid top") })
);
let left = try_option!(
layer["left"]
.as_u32()
.ok_or_else(|| { anyhow::anyhow!("Layer does not have a valid left") })
);
let opacity = try_option!(
layer["opacity"]
.as_u8()
.ok_or_else(|| { anyhow::anyhow!("Layer does not have a valid opacity") })
);
if layer["diff_id"].is_none() {
let base = &try_option!(self.bases.get(&layer_id).ok_or(anyhow::anyhow!(
"Base image for layer_id {} not found",
layer_id
)))
.0;
let mut data = ImageData {
width: self.width,
height: self.height,
color_type: match base.color {
TlgColorType::Bgr24 => ImageColorType::Bgr,
TlgColorType::Bgra32 => ImageColorType::Bgra,
TlgColorType::Grayscale8 => ImageColorType::Grayscale,
},
depth: 8,
data: base.data.clone(),
};
if opacity != 255 {
try_option!(apply_opacity(&mut data, opacity));
}
if self.width != width || self.height != height || top != 0 || left != 0 {
data =
try_option!(draw_on_canvas(data, self.width, self.height, left, top));
}
return Some(Ok(ImageDataWithName {
name: layer_name.to_string(),
data,
}));
} else {
let diff_id =
try_option!(layer["diff_id"].as_i64().ok_or_else(|| {
anyhow::anyhow!("Layer does not have a valid diff_id")
}));
let (base, base_top, base_left, base_opacity) = try_option!(
self.bases
.get(&diff_id)
.ok_or(anyhow::anyhow!("Base image layer {} not found", diff_id))
);
let diff = try_option!(self.pimg.load_img(layer_id));
if base.color != diff.color {
return Some(Err(anyhow::anyhow!(
"Color type mismatch for layer_id {}: base color {:?}, diff color {:?}",
layer_id,
base.color,
diff.color
)));
}
let mut base_img = ImageData {
width: base.width,
height: base.height,
color_type: match base.color {
TlgColorType::Bgr24 => ImageColorType::Bgr,
TlgColorType::Bgra32 => ImageColorType::Bgra,
TlgColorType::Grayscale8 => ImageColorType::Grayscale,
},
depth: 8,
data: base.data.clone(),
};
if base.width != self.width
|| base.height != self.height
|| *base_top != 0
|| *base_left != 0
{
base_img = try_option!(draw_on_canvas(
base_img,
self.width,
self.height,
*base_left,
*base_top
));
}
if *base_opacity != 255 {
try_option!(apply_opacity(&mut base_img, *base_opacity));
}
let diff = ImageData {
width: diff.width,
height: diff.height,
color_type: match diff.color {
TlgColorType::Bgr24 => ImageColorType::Bgr,
TlgColorType::Bgra32 => ImageColorType::Bgra,
TlgColorType::Grayscale8 => ImageColorType::Grayscale,
},
depth: 8,
data: diff.data.clone(),
};
try_option!(draw_on_img_with_opacity(
&mut base_img,
&diff,
left,
top,
opacity
));
Some(Ok(ImageDataWithName {
name: layer_name.to_string(),
data: base_img,
}))
}
}
None => None,
}
}
}

View File

@@ -56,6 +56,8 @@ lazy_static::lazy_static! {
Box::new(kirikiri::ks::KsBuilder::new()),
#[cfg(feature = "kirikiri-img")]
Box::new(kirikiri::image::tlg::TlgImageBuilder::new()),
#[cfg(feature = "kirikiri-img")]
Box::new(kirikiri::image::pimg::PImgBuilder::new()),
];
pub static ref ALL_EXTS: Vec<String> =
BUILDER.iter().flat_map(|b| b.extensions()).map(|s| s.to_string()).collect();