yoya/io_jpeg

JPEG library

Maintainers

Details

github.com/yoya/IO_JPEG

Homepage

Source

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Installs: 16

Dependents: 0

Suggesters: 0

Security: 0

Stars: 2

Watchers: 5

Forks: 0

Open Issues: 0

v5.0 2024-01-20 15:12 UTC

Requires

MIT b25c6cf01217531a74d5f3974c389ae22dc4c115

  • yoya <yoya.woop@awm.jp>

imagejpeg

This package is auto-updated.

Last update: 2024-04-20 15:53:53 UTC

README

JPEG parser & dumper

Usage

% composer require yoya/io_jpeg
% php vendor/yoya/io_jpeg/sample/jpegdump.php
Usage: php jpegdump.php [-h] [-D] [-S] -f <jpegfile>
% php vendor/yoya/io_jpeg/sample/jpegdump.php -f input.jpg
SOI:
        Start Of Image
APP0: length=16
        identifier:JFIF^@
        verison:1.01
APP2: length=3228
DQT: length=67
        Pq:0(8-bit) Tq:0
        Q[k=0x00]:03 02 02 02 02 02 03 02
        Q[k=0x08]:02 02 03 03 03 03 04 06
        Q[k=0x10]:04 04 04 04 04 08 06 06
        Q[k=0x18]:05 06 09 08 0a 0a 09 08
        Q[k=0x20]:09 09 0a 0c 0f 0c 0a 0b
        Q[k=0x28]:0e 0b 09 09 0d 11 0d 0e
        Q[k=0x30]:0f 10 10 11 10 0a 0c 12
        Q[k=0x38]:13 12 10 13 0f 10 10 10
(omit)