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[build] | ||
target = "i686-pc-windows-msvc" |
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/target | ||
/Cargo.lock |
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[package] | ||
name = "saori-resized-png" | ||
version = "1.0.0" | ||
authors = ["tukinami seika <10forchette@gmail.com>"] | ||
license = "MIT" | ||
readme = "README.md" | ||
edition = "2021" | ||
description = "SAORI to resize image and save as png" | ||
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html | ||
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[dependencies] | ||
image = "0.24.5" | ||
fast_image_resize = "2.3.0" | ||
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[target.'cfg(windows)'.dependencies] | ||
winapi = {version = "0.3.9", features = ["winbase", "libloaderapi"]} | ||
encoding_rs = "0.8.31" | ||
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[lib] | ||
name = "resizedpng" | ||
path = "src/lib.rs" | ||
crate-type = ["rlib", "cdylib"] | ||
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[profile.release] | ||
strip = true | ||
opt-level = "z" | ||
lto = true | ||
codegen-units = 1 |
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# Resized Png | ||
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[GitHub repository](https://github.com/tukinami/saori-resized-png) | ||
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## これは何? | ||
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デスクトップマスコット、「伺か」で使用できるSAORIの一種です。 | ||
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機能としては、指定した画像ファイルを拡大または縮小し、pngとして出力します。 | ||
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「伺か」「SAORI」等の用語については詳しく説明いたしませんのでご了承下さい。 | ||
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## 使い方 | ||
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SAORI自体の使い方は、使用するSHIORIなどによって異なりますので、ご自身でお調べ下さい。 | ||
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ここではこのSAORIの使い方について説明いたします。 | ||
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Argument0に、使用する機能名を指定して使用します。 | ||
指定できる機能は`GetImageType`と`ToResizedPng`です。 | ||
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### `GetImageType` | ||
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+ Argument1: 判別するファイルのパス | ||
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+ Result: 画像形式を表す文字列 | ||
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指定されたファイルの画像形式を返します。 | ||
画像でない、または対応していない画像は`UNKNOWN`が返ります。 | ||
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対応している形式は以下(色深度などによっては、対応していない場合があります): | ||
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+ `AVIF` | ||
+ `BMP` | ||
+ `DDS` | ||
+ `FARBFELD` | ||
+ `GIF` | ||
+ `HDR` | ||
+ `ICO` | ||
+ `JPEG` | ||
+ `OPENEXR` | ||
+ `PNG` | ||
+ `PNM` | ||
+ `TGA` | ||
+ `TIFF` | ||
+ `WEBP` | ||
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### `ToResizedPng` | ||
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+ Argument1: 入力するファイルのパス | ||
+ Argument2: 出力するファイルのパス | ||
+ Argument3: 出力する画像の横幅の数値 | ||
+ Argument4: 出力する画像の縦幅の数値 | ||
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+ Result: エラーコードの数値(下記参照) | ||
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入力された画像を拡大または縮小して、pngとして出力します。 | ||
何か問題があった場合は、Resultに`0`以外が入ります。 | ||
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横幅と縦幅は、負の数を指定すると、もう片方の拡大縮小率に基づいて自動で値が決まります | ||
(両方負の数にすると、何もせずに終了します)。 | ||
また、`0`を指定すると入力された画像の値を使用します。 | ||
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#### エラーコード | ||
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0. 正常終了 | ||
1. 対応していない形式だった | ||
2. ファイルが見つからなかった | ||
3. 入出力に問題があった | ||
4. 画像のデコードに問題があった | ||
5. 画像のエンコードに問題があった | ||
6. 画像のパラメータに問題があった | ||
7. 画像の大きさが限界値を越えていた | ||
8. 画像サイズが小さすぎた | ||
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## 使用ライブラリ | ||
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いずれも敬称略。ありがとうございます。 | ||
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+ [winapi\_rs](https://github.com/retep998/winapi-rs) / Peter Atashian | ||
+ [encoding\_rs](https://github.com/hsivonen/encoding_rs) / Henri Sivonen | ||
+ [image](https://github.com/image-rs/image) / The image-rs Developers | ||
+ [fast\_image\_resize](https://github.com/cykooz/fast_image_resize) / Kirill Kuzminykh | ||
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## ライセンス | ||
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MITにて配布いたします。 | ||
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## 作成者 | ||
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月波 清火 (tukinami seika) <10forchette@gmail.com> | ||
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[GitHub](https://github.com/tukinami/saori-resized-png) |
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use fast_image_resize as fir; | ||
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#[derive(Debug)] | ||
pub(crate) enum ResizedPngError { | ||
Unsupported, | ||
NotFound, | ||
IoError, | ||
DecodingError, | ||
EncodingError, | ||
ParameterError, | ||
LimitsError, | ||
InputSizeError, | ||
} | ||
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impl ResizedPngError { | ||
pub(crate) fn to_code(&self) -> u32 { | ||
match self { | ||
Self::Unsupported => 1, | ||
Self::NotFound => 2, | ||
Self::IoError => 3, | ||
Self::DecodingError => 4, | ||
Self::EncodingError => 5, | ||
Self::ParameterError => 6, | ||
Self::LimitsError => 7, | ||
Self::InputSizeError => 8, | ||
} | ||
} | ||
} | ||
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impl From<std::io::Error> for ResizedPngError { | ||
fn from(e: std::io::Error) -> Self { | ||
match e.kind() { | ||
std::io::ErrorKind::NotFound => Self::NotFound, | ||
_ => Self::IoError, | ||
} | ||
} | ||
} | ||
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impl From<image::error::ImageError> for ResizedPngError { | ||
fn from(e: image::error::ImageError) -> Self { | ||
match e { | ||
image::ImageError::Decoding(_) => Self::DecodingError, | ||
image::ImageError::Encoding(_) => Self::EncodingError, | ||
image::ImageError::Parameter(_) => Self::ParameterError, | ||
image::ImageError::Limits(_) => Self::LimitsError, | ||
image::ImageError::Unsupported(_) => Self::Unsupported, | ||
image::ImageError::IoError(e) => e.into(), | ||
} | ||
} | ||
} | ||
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impl From<fir::ImageBufferError> for ResizedPngError { | ||
fn from(e: fir::ImageBufferError) -> Self { | ||
match e { | ||
fir::ImageBufferError::InvalidBufferSize => Self::InputSizeError, | ||
fir::ImageBufferError::InvalidBufferAlignment => Self::DecodingError, | ||
} | ||
} | ||
} |
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mod error; | ||
mod procedure; | ||
mod request; | ||
mod resized_png; | ||
mod response; | ||
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use winapi::ctypes::c_long; | ||
use winapi::shared::minwindef::{BOOL, DWORD, HGLOBAL, HINSTANCE, LPVOID, MAX_PATH, TRUE}; | ||
use winapi::um::libloaderapi::GetModuleFileNameW; | ||
use winapi::um::winbase::{GlobalAlloc, GlobalFree, GMEM_FIXED}; | ||
use winapi::um::winnt::{ | ||
DLL_PROCESS_ATTACH, DLL_PROCESS_DETACH, DLL_THREAD_ATTACH, DLL_THREAD_DETACH, | ||
}; | ||
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use std::slice; | ||
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use crate::request::{SaoriCommand, SaoriRequest}; | ||
use crate::response::SaoriResponse; | ||
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static mut DLL_PATH: String = String::new(); | ||
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#[no_mangle] | ||
pub extern "system" fn DllMain( | ||
h_module: HINSTANCE, | ||
ul_reason_for_call: DWORD, | ||
_l_reserved: LPVOID, | ||
) -> BOOL { | ||
match ul_reason_for_call { | ||
DLL_PROCESS_ATTACH => { | ||
register_dll_path(h_module); | ||
} | ||
DLL_PROCESS_DETACH => {} | ||
DLL_THREAD_ATTACH => {} | ||
DLL_THREAD_DETACH => { | ||
unload(); | ||
} | ||
_ => {} | ||
} | ||
return TRUE; | ||
} | ||
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fn register_dll_path(h_module: HINSTANCE) { | ||
let mut buf: [u16; MAX_PATH + 1] = [0; MAX_PATH + 1]; | ||
unsafe { | ||
GetModuleFileNameW(h_module, buf.as_mut_ptr(), MAX_PATH as u32); | ||
} | ||
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let p = buf.partition_point(|v| *v != 0); | ||
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unsafe { | ||
DLL_PATH = String::from_utf16_lossy(&buf[..p]); | ||
} | ||
} | ||
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#[no_mangle] | ||
pub extern "cdecl" fn load(h: HGLOBAL, _len: c_long) -> BOOL { | ||
unsafe { GlobalFree(h) }; | ||
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unsafe { procedure::load(&DLL_PATH) }; | ||
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return TRUE; | ||
} | ||
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#[no_mangle] | ||
pub extern "cdecl" fn unload() -> BOOL { | ||
unsafe { procedure::unload(&DLL_PATH) }; | ||
return TRUE; | ||
} | ||
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#[no_mangle] | ||
pub extern "cdecl" fn request(h: HGLOBAL, len: *mut c_long) -> HGLOBAL { | ||
// リクエストの取得 | ||
let s = unsafe { hglobal_to_vec_u8(h, *len) }; | ||
unsafe { GlobalFree(h) }; | ||
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let request = SaoriRequest::from_u8(&s); | ||
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// 返答の組み立て | ||
let mut response = match &request { | ||
Ok(r) => SaoriResponse::from_request(r), | ||
Err(_e) => SaoriResponse::new_bad_request(), | ||
}; | ||
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if let Ok(r) = request { | ||
match r.command() { | ||
SaoriCommand::GetVersion => { | ||
unsafe { procedure::get_version(&DLL_PATH, &r, &mut response) }; | ||
} | ||
SaoriCommand::Execute => { | ||
unsafe { procedure::execute(&DLL_PATH, &r, &mut response) }; | ||
} | ||
} | ||
} | ||
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let response_bytes = response.to_encoded_bytes().unwrap_or(Vec::new()); | ||
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let response = slice_u8_to_hglobal(len, &response_bytes); | ||
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return response; | ||
} | ||
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fn slice_u8_to_hglobal(h_len: *mut c_long, data: &[u8]) -> HGLOBAL { | ||
let data_len = data.len(); | ||
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let h = unsafe { GlobalAlloc(GMEM_FIXED, data_len) }; | ||
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unsafe { *h_len = data_len as c_long }; | ||
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let h_slice = unsafe { slice::from_raw_parts_mut(h as *mut u8, data_len) }; | ||
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for (index, value) in data.iter().enumerate() { | ||
h_slice[index] = *value; | ||
} | ||
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return h; | ||
} | ||
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fn hglobal_to_vec_u8(h: HGLOBAL, len: c_long) -> Vec<u8> { | ||
let mut s = vec![0; len as usize + 1]; | ||
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let slice = unsafe { slice::from_raw_parts(h as *const u8, len as usize) }; | ||
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for (index, value) in slice.iter().enumerate() { | ||
s[index] = *value; | ||
} | ||
s[len as usize] = b'\0'; | ||
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return s; | ||
} |
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use std::path::PathBuf; | ||
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use crate::request::*; | ||
use crate::resized_png::{get_image_type, to_resized_png}; | ||
use crate::response::*; | ||
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/// load時に呼ばれる関数 | ||
pub fn load(_path: &str) {} | ||
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/// unload時に呼ばれる関数 | ||
pub fn unload(_path: &str) {} | ||
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/// request GET Version時に呼ばれる関数 | ||
pub fn get_version(_path: &str, _request: &SaoriRequest, response: &mut SaoriResponse) { | ||
response.set_result(String::from(env!("CARGO_PKG_VERSION"))); | ||
} | ||
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/// request EXECUTE時に呼ばれる関数 | ||
/// メインの処理はここに記述する | ||
pub fn execute(path: &str, request: &SaoriRequest, response: &mut SaoriResponse) { | ||
let args = request.argument(); | ||
let mut path = PathBuf::from(path); | ||
if !path.is_dir() { | ||
path.pop(); | ||
} | ||
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if let Some(func) = args.get(0) { | ||
match func.as_str() { | ||
"GetImageType" => { | ||
if let Some(input_path_str) = args.get(1) { | ||
let input_path = path.join(input_path_str); | ||
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let v = get_image_type(&input_path); | ||
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response.set_result(v.to_string()); | ||
} | ||
} | ||
"ToResizedPng" => { | ||
if let ( | ||
Some(input_path_str), | ||
Some(output_path_str), | ||
Some(width_str), | ||
Some(height_str), | ||
) = (args.get(1), args.get(2), args.get(3), args.get(4)) | ||
{ | ||
let Ok(width_command) = width_str.parse::<i64>() else { return }; | ||
let Ok(height_command) = height_str.parse::<i64>() else { return }; | ||
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let input_path = path.clone().join(input_path_str); | ||
let output_path = path.join(output_path_str); | ||
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let v = match to_resized_png( | ||
&input_path, | ||
&output_path, | ||
width_command, | ||
height_command, | ||
) { | ||
Ok(()) => 0, | ||
Err(e) => e.to_code(), | ||
}; | ||
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response.set_result(format!("{}", v)); | ||
} | ||
} | ||
_ => {} | ||
} | ||
} | ||
} |
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