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Get image width and height reading as few bytes as possible.

imsz 최신버젼 다운로드

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![bear](https://github.com/scardine/imsz/blob/master/tenor.gif?raw=true)

# imsz

Get width and height from an image file reading as few bytes as possible.

## Why?

A few years ago I answered a Stackoverflow question ["Get Image size WITHOUT loading image into memory"](https://stackoverflow.com/questions/15800704/get-image-size-without-loading-image-into-memory) (using Python). The canonical answer for dealing with images in Python is the PIL library but it is a huge library if you just want to get width and height. I rolled up my sleeves and wrote a small function to do just this. Over the years people sent patches implementing new image formats and refactoring the code until I could not recognize it anymore. I always wanted to tidy it up a bit, may be reimplement it as a C module...

## Am I rusty?

In the last 10 years I've used Python for everything. This saturday afternoon I wanted to answer the question: "at my age, can I still learn a new computer language?". So I decided to try Rust and this is the result. It was a pleasant surprise, if you are familiar with C/C++ Rust is really easy to pick up - and I see some Python influence here and there.

I don't expect it to be very idiomatic Rust, it is my first Rust project so be kind!

## First impressions

There are many things I like in Rust. I'm still looking for a good debugger, the one I was using with VSCode is unable to show the values in a HashMap, for example.

## Usage:

There is a simple example binary:
```
> .\target\debug\imsz.exe  tenor.gif  
tenor.gif: git, 220 x 159

> .\target\debug\imsz.exe -h
Usage:
  C:\Users\paulos\work\imsz\target\debug\imsz.exe [OPTIONS] FILES [...]

The imsz library gets image size from files, this is a demo application.

Positional arguments:
  files                 List of files to process

Optional arguments:
  -h,--help             Show this help message and exit
  -v,--verbose          Be verbose
  -V,--version          Display version and exits
```

The relevant parts:
```rust
use imsz::imsz

...

let info = imsz(fname);
println!("{}: {}, {} x {}", fname, info.format, info.width, info.height);
// tenor.gif: gif, 220 x 159
```

imsz

imsz 최신버젼 다운로드

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imsz

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