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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-mini" | ||
version = "1.0.0" | ||
edition = "2021" | ||
authors = [ "tukinami seika" ] | ||
license = "MIT" | ||
readme = "README.md" | ||
description = "SAORI to resize image and save as png (limited edition)" | ||
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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] | ||
resize = "0.7.4" | ||
rgb = "0.8.36" | ||
png = "0.17.7" | ||
gif = "0.12.0" | ||
jpeg-decoder = "0.3.0" | ||
libwebp-sys = "0.8.0" | ||
tinybmp = "0.4.0" | ||
embedded-graphics = "0.7.1" | ||
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[target.'cfg(windows)'.dependencies] | ||
winapi = {version = "0.3.9", features = ["winbase", "libloaderapi", "stringapiset"]} | ||
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[dev-dependencies] | ||
tempfile = "3.3.0" | ||
encoding_rs = "0.8.31" | ||
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[lib] | ||
name = "resizedpngmini" | ||
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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MIT License | ||
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Copyright (c) 2023 月波 清火 | ||
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Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
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The above copyright notice and this permission notice shall be included in all | ||
copies or substantial portions of the Software. | ||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
SOFTWARE. |
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# Resized Png Mini | ||
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[GitHub repository](https://github.com/tukinami/saori-resized-png-mini) | ||
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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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拙作[Resized Png](https://github.com/tukinami/saori-resized-png) | ||
の機能限定・軽量版になります。 | ||
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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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`Resized Png`からの変更点として、読み込める画像形式が限定されています。 | ||
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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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+ `BMP` | ||
+ `GIF` | ||
+ `JPEG` | ||
+ `PNG` | ||
+ `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 | ||
+ [png](https://github.com/image-rs/image-png) / The image-rs Developers | ||
+ [gif](https://github.com/image-rs/image-gif) / The image-rs Developers | ||
+ [jpeg-decoder](https://github.com/image-rs/jpeg-decoder) / The image-rs Developers | ||
+ [libwebp-sys](https://github.com/NoXF/libwebp-sys) / XianYou, Kornel Lesiński | ||
+ [tinybmp](https://github.com/embedded-graphics/tinybmp) / James Waples, Ralf Fuest | ||
+ [embedded-graphics](https://github.com/embedded-graphics/embedded-graphics) / James Waples, Ralf Fuest | ||
+ [resize](https://github.com/PistonDevelopers/resize) / Kornel, Kagami Hiiragi | ||
+ [rgb](https://github.com/kornelski/rust-rgb) / Kornel Lesiński | ||
+ (テスト実行時) [encoding\_rs](https://github.com/hsivonen/encoding_rs) / Henri Sivonen | ||
+ (テスト実行時) [tempfile](https://github.com/Stebalien/tempfile) / Steven Allen, The Rust Project Developers, Ashley Mannix, Jason White | ||
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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) | ||
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[GitHub](https://github.com/tukinami) |
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use winapi::{ | ||
shared::{ | ||
minwindef::LPBOOL, | ||
ntdef::{LPCSTR, LPWSTR, NULL}, | ||
}, | ||
um::{ | ||
stringapiset::{MultiByteToWideChar, WideCharToMultiByte}, | ||
winnls::MB_PRECOMPOSED, | ||
winnt::LPSTR, | ||
}, | ||
}; | ||
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pub(crate) fn multi_byte_to_wide_char(from: &[u8], codepage: u32) -> Result<Vec<u16>, ()> { | ||
let mut from_buf: Vec<i8> = from.iter().map(|v| *v as i8).collect(); | ||
from_buf.push(0); | ||
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let to_buf_size = unsafe { | ||
MultiByteToWideChar( | ||
codepage, | ||
MB_PRECOMPOSED, | ||
from_buf.as_ptr(), | ||
-1, | ||
NULL as LPWSTR, | ||
0, | ||
) | ||
}; | ||
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if to_buf_size == 0 { | ||
return Err(()); | ||
} | ||
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let mut to_buf = vec![0; to_buf_size as usize + 1]; | ||
let result = unsafe { | ||
MultiByteToWideChar( | ||
codepage, | ||
MB_PRECOMPOSED, | ||
from_buf.as_ptr(), | ||
-1, | ||
to_buf.as_mut_ptr(), | ||
to_buf_size, | ||
) | ||
}; | ||
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if result == 0 { | ||
Err(()) | ||
} else { | ||
Ok(to_buf) | ||
} | ||
} | ||
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pub(crate) fn wide_char_to_multi_byte(from: &mut Vec<u16>, codepage: u32) -> Result<Vec<i8>, ()> { | ||
from.push(0); | ||
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let to_buf_size = unsafe { | ||
WideCharToMultiByte( | ||
codepage, | ||
0, | ||
from.as_ptr(), | ||
-1, | ||
NULL as LPSTR, | ||
0, | ||
NULL as LPCSTR, | ||
NULL as LPBOOL, | ||
) | ||
}; | ||
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if to_buf_size == 0 { | ||
return Err(()); | ||
} | ||
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let mut to_buf: Vec<i8> = vec![0; to_buf_size as usize + 1]; | ||
let result = unsafe { | ||
WideCharToMultiByte( | ||
codepage, | ||
0, | ||
from.as_ptr(), | ||
-1, | ||
to_buf.as_mut_ptr(), | ||
to_buf_size, | ||
NULL as LPCSTR, | ||
NULL as LPBOOL, | ||
) | ||
}; | ||
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if result == 0 { | ||
Err(()) | ||
} else { | ||
Ok(to_buf) | ||
} | ||
} | ||
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#[cfg(test)] | ||
mod tests { | ||
use crate::request::SaoriCharset; | ||
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use super::*; | ||
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use encoding_rs; | ||
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mod multi_byte_to_wide_char { | ||
use super::*; | ||
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#[test] | ||
fn success_when_encoding_and_codepage_is_same() { | ||
let case = "あいうえお仕様"; | ||
let (case_byte, _encoding, _is_err) = encoding_rs::SHIFT_JIS.encode(case); | ||
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let result = | ||
multi_byte_to_wide_char(&case_byte, SaoriCharset::ShiftJIS.codepage()).unwrap(); | ||
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let p = result.partition_point(|v| *v != 0); | ||
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let result = String::from_utf16_lossy(&result[..p]); | ||
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assert_eq!(&result, case); | ||
} | ||
} | ||
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mod wide_char_to_multi_byte { | ||
use super::*; | ||
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#[test] | ||
fn success_when_valid_wide_char_and_codepage_with_shift_jis() { | ||
let case = "あいうえお仕様"; | ||
let mut case_chars: Vec<u16> = case.encode_utf16().collect(); | ||
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let result = | ||
wide_char_to_multi_byte(&mut case_chars, SaoriCharset::ShiftJIS.codepage()) | ||
.unwrap(); | ||
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let result: Vec<u8> = result.iter().map(|v| *v as u8).collect(); | ||
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let p = result.partition_point(|v| *v != 0); | ||
let (encoded, _encoding, _is_err) = encoding_rs::SHIFT_JIS.decode(&result[..p]); | ||
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assert_eq!(&encoded, case); | ||
} | ||
} | ||
} |
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