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0.3; refactor

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Peter Molnar 2016-06-28 17:44:33 +00:00
parent 2613db9ee7
commit e3ef6d9829
2 changed files with 198 additions and 205 deletions
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9
readme.txt
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@ -4,10 +4,9 @@ Donate link: https://paypal.me/petermolnar/3
Tags: image, cache, image quality, Tags: image, cache, image quality,
Requires at least: 3.0 Requires at least: 3.0
Tested up to: 4.4.2 Tested up to: 4.4.2
Stable tag: 0.2.1 Stable tag: 0.3
License: GPLv3 License: GPLv3
License URI: http://www.gnu.org/licenses/gpl-3.0.html License URI: http://www.gnu.org/licenses/gpl-3.0.html
Required minimum PHP version: 5.3
Sharpen, enchance and move resized images to cache folder Sharpen, enchance and move resized images to cache folder
@ -40,6 +39,12 @@ Version numbering logic:
* every .B version indicates new features. * every .B version indicates new features.
* every ..C indicates bugfixes for A.B version. * every ..C indicates bugfixes for A.B version.
= 0.3 =
*2016-06-28*
* code refactor
= 0.2.1 = = 0.2.1 =
*2016-03-08* *2016-03-08*

394
wp-resized2cache.php
View file

@ -3,11 +3,10 @@
Plugin Name: wp-resized2cache Plugin Name: wp-resized2cache
Plugin URI: https://github.com/petermolnar/wp-resized2cache Plugin URI: https://github.com/petermolnar/wp-resized2cache
Description: Sharpen, enchance and move resized images to cache folder Description: Sharpen, enchance and move resized images to cache folder
Version: 0.2.1 Version: 0.3
Author: Peter Molnar <hello@petermolnar.eu> Author: Peter Molnar <hello@petermolnar.eu>
Author URI: http://petermolnar.eu/ Author URI: http://petermolnar.eu/
License: GPLv3 License: GPLv3
Required minimum PHP version: 5.3
*/ */
/* Copyright 2015 Peter Molnar ( hello@petermolnar.eu ) /* Copyright 2015 Peter Molnar ( hello@petermolnar.eu )
@ -26,216 +25,205 @@ Required minimum PHP version: 5.3
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
if (!class_exists('WP_RESIZED2CACHE')): namespace WP_RESIZED2CACHE;
class WP_RESIZED2CACHE { define ( 'cachedir', \WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'cache' );
\register_activation_hook( __FILE__ , 'WP_RESIZED2CACHE\plugin_activate' );
\add_action( 'init', 'WP_RESIZED2CACHE\init' );
\add_action( 'delete_attachment', 'WP_RESIZED2CACHE\delete_from_cache' );
const cachedir = WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'cache'; function init () {
if ( ! is_dir( cachedir ) ) {
public function __construct () { if ( ! mkdir( cachedir ) ) {
register_activation_hook( __FILE__ , array( &$this, 'plugin_activate' ) ); debug('failed to create ' . cachedir, 4);
if (!is_dir(static::cachedir)) {
if (!mkdir(static::cachedir)) {
static::debug('failed to create ' . static::cachedir, 4);
}
}
add_action( 'init', array( &$this, 'init'));
add_action( 'delete_attachment', array (&$this, 'delete_from_cache'));
}
public function init () {
// set higher jpg quality
add_filter( 'jpeg_quality', array( &$this, 'jpeg_quality' ) );
add_filter( 'wp_editor_set_quality', array( &$this, 'jpeg_quality' ) );
// sharpen resized images on upload
add_filter( 'image_make_intermediate_size',array ( &$this, 'sharpen' ),10);
}
/**
* activate hook
*/
public static function plugin_activate() {
if ( version_compare( phpversion(), 5.3, '<' ) ) {
die( 'The minimum PHP version required for this plugin is 5.3' );
} }
} }
// set higher jpg quality
\add_filter( 'jpeg_quality', 'WP_RESIZED2CACHE\jpeg_quality' );
\add_filter( 'wp_editor_set_quality', 'WP_RESIZED2CACHE\jpeg_quality' );
/** // sharpen resized images on upload
* called on attachment deletion and takes care of removing the moved files \add_filter( 'image_make_intermediate_size', 'WP_RESIZED2CACHE\sharpen', 10 );
*
*/
public static function delete_from_cache ( $aid = null ) {
static::debug( "DELETE is called and aid is: " . $aid, 5 );
if ($aid === null)
return false;
$attachment = get_post( $aid ); }
if ( static::is_post($attachment)) { /**
$meta = wp_get_attachment_metadata($aid); * activate hook
*/
if (isset($meta['sizes']) && !empty($meta['sizes'])) { function plugin_activate() {
foreach ( $meta['sizes'] as $size => $data ) { if ( version_compare( phpversion(), 5.3, '<' ) ) {
$file = static::cachedir . DIRECTORY_SEPARATOR . $data['file']; die( 'The minimum PHP version required for this plugin is 5.3' );
if ( isset($data['file']) && is_file($file)) {
static::debug( " removing " . $file, 5 );
unlink ($file);
}
}
}
}
return $aid;
}
/**
* better jpgs
*/
public static function jpeg_quality () {
$jpeg_quality = (int)92;
return $jpeg_quality;
}
/**
* adaptive sharpen images w imagemagick
*/
static public function sharpen( $resized ) {
if (!class_exists('Imagick')) {
static::debug('Please install Imagick extension; otherwise this plugin will not work as well as it should.', 4);
}
/*
preg_match ( '/(.*)-([0-9]+)x([0-9]+)\.([0-9A-Za-z]{2,4})/', $resized, $details );
* 0 => original var
* 1 => full original file path without extension
* 2 => resized size w
* 3 => resized size h
* 4 => extension
*/
$size = @getimagesize($resized);
if ( !$size ) {
static::debug("Unable to get size for: {$resized}", 4);
return $resized;
}
//$cachedir = WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'cache';
$fname = basename( $resized );
$cached = static::cachedir . DIRECTORY_SEPARATOR . $fname;
if ( $size[2] == IMAGETYPE_JPEG && class_exists('Imagick')) {
static::debug( "adaptive sharpen " . $resized, 6 );
try {
$imagick = new Imagick($resized);
$imagick->unsharpMaskImage(0,0.5,1,0);
$imagick->setImageFormat("jpg");
$imagick->setImageCompression(Imagick::COMPRESSION_JPEG);
$imagick->setImageCompressionQuality(static::jpeg_quality());
$imagick->setInterlaceScheme(Imagick::INTERLACE_PLANE);
$imagick = apply_filters( "wp_resized2cache_imagick", $imagick, $resized );
$imagick->writeImage($cached);
$imagick->destroy();
}
catch (Exception $e) {
static::debug( 'something went wrong with imagemagick: ', $e->getMessage(), 4 );
return $resized;
}
static::debug( "removing " . $resized, 5 );
unlink ($resized);
}
else {
static::debug( "moving " . $cached, 5 );
if (copy( $resized, $cached)) {
static::debug( "removing " . $resized, 5 );
unlink( $resized );
}
else {
static::debug( "\tmove failed, passing on this", 4 );
}
}
return $resized;
}
/**
*
* debug messages; will only work if WP_DEBUG is on
* or if the level is LOG_ERR, but that will kill the process
*
* @param string $message
* @param int $level
*
* @output log to syslog | wp_die on high level
* @return false on not taking action, true on log sent
*/
public static function debug( $message, $level = LOG_NOTICE ) {
if ( empty( $message ) )
return false;
if ( @is_array( $message ) || @is_object ( $message ) )
$message = json_encode($message);
$levels = array (
LOG_EMERG => 0, // system is unusable
LOG_ALERT => 1, // Alert action must be taken immediately
LOG_CRIT => 2, // Critical critical conditions
LOG_ERR => 3, // Error error conditions
LOG_WARNING => 4, // Warning warning conditions
LOG_NOTICE => 5, // Notice normal but significant condition
LOG_INFO => 6, // Informational informational messages
LOG_DEBUG => 7, // Debug debug-level messages
);
// number for number based comparison
// should work with the defines only, this is just a make-it-sure step
$level_ = $levels [ $level ];
// in case WordPress debug log has a minimum level
if ( defined ( 'WP_DEBUG_LEVEL' ) ) {
$wp_level = $levels [ WP_DEBUG_LEVEL ];
if ( $level_ > $wp_level ) {
return false;
}
}
// ERR, CRIT, ALERT and EMERG
if ( 3 >= $level_ ) {
wp_die( '<h1>Error:</h1>' . '<p>' . $message . '</p>' );
exit;
}
$trace = debug_backtrace();
$caller = $trace[1];
$parent = $caller['function'];
if (isset($caller['class']))
$parent = $caller['class'] . '::' . $parent;
return error_log( "{$parent}: {$message}" );
}
/**
*
*/
public static function is_post ( &$post ) {
if ( !empty($post) && is_object($post) && isset($post->ID) && !empty($post->ID) )
return true;
return false;
} }
} }
$WP_RESIZED2CACHE = new WP_RESIZED2CACHE();
endif; /**
* called on attachment deletion and takes care of removing the moved files
*
*/
function delete_from_cache ( $aid = null ) {
debug( "DELETE is called and aid is: {$aid}", 5 );
if ($aid === null)
return false;
$attachment = \get_post( $aid );
if ( is_post($attachment)) {
$meta = \wp_get_attachment_metadata($aid);
if ( isset( $meta['sizes'] ) && ! empty( $meta['sizes'] ) ) {
foreach ( $meta['sizes'] as $size => $data ) {
$file = cachedir . DIRECTORY_SEPARATOR . $data['file'];
if ( isset( $data['file'] ) && is_file( $file ) ) {
debug( " removing {$file}", 5 );
unlink ( $file );
}
}
}
}
return $aid;
}
/**
* better jpgs
*/
function jpeg_quality () {
$jpeg_quality = (int)92;
return $jpeg_quality;
}
/**
* adaptive sharpen images w imagemagick
*/
function sharpen( $resized ) {
if ( ! class_exists( '\Imagick' ) ) {
debug('Please install Imagick extension; otherwise this plugin will not work as well as it should.', 4);
}
/*
preg_match ( '/(.*)-([0-9]+)x([0-9]+)\.([0-9A-Za-z]{2,4})/', $resized, $details );
* 0 => original var
* 1 => full original file path without extension
* 2 => resized size w
* 3 => resized size h
* 4 => extension
*/
$size = @getimagesize($resized);
if ( !$size ) {
debug( "Unable to get size for: {$resized}", 4);
return $resized;
}
//$cachedir = WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'cache';
$fname = basename( $resized );
$cached = cachedir . DIRECTORY_SEPARATOR . $fname;
if ( $size[2] == IMAGETYPE_JPEG && class_exists('\Imagick')) {
debug( "adaptive sharpen {$resized}", 6 );
try {
$imagick = new \Imagick( $resized );
$imagick->unsharpMaskImage( 0, 0.5, 1, 0 );
$imagick->setImageFormat( "jpg" );
$imagick->setImageCompression( \Imagick::COMPRESSION_JPEG );
$imagick->setImageCompressionQuality( jpeg_quality() );
$imagick->setInterlaceScheme( \Imagick::INTERLACE_PLANE );
$imagick = \apply_filters( "wp_resized2cache_imagick", $imagick, $resized );
$imagick->writeImage($cached);
$imagick->destroy();
}
catch (Exception $e) {
debug( 'something went wrong with imagemagick: ', $e->getMessage(), 4 );
return $resized;
}
debug( "removing " . $resized, 5 );
unlink ($resized);
}
else {
debug( "moving {$cached}", 5 );
if ( copy( $resized, $cached ) ) {
debug( "removing {$resized}", 5 );
unlink( $resized );
}
else {
debug( "\tmove failed, passing on this", 4 );
}
}
return $resized;
}
/**
*
* debug messages; will only work if WP_DEBUG is on
* or if the level is LOG_ERR, but that will kill the process
*
* @param string $message
* @param int $level
*
* @output log to syslog | wp_die on high level
* @return false on not taking action, true on log sent
*/
function debug( $message, $level = LOG_NOTICE ) {
if ( empty( $message ) )
return false;
if ( @is_array( $message ) || @is_object ( $message ) )
$message = json_encode($message);
$levels = array (
LOG_EMERG => 0, // system is unusable
LOG_ALERT => 1, // Alert action must be taken immediately
LOG_CRIT => 2, // Critical critical conditions
LOG_ERR => 3, // Error error conditions
LOG_WARNING => 4, // Warning warning conditions
LOG_NOTICE => 5, // Notice normal but significant condition
LOG_INFO => 6, // Informational informational messages
LOG_DEBUG => 7, // Debug debug-level messages
);
// number for number based comparison
// should work with the defines only, this is just a make-it-sure step
$level_ = $levels [ $level ];
// in case WordPress debug log has a minimum level
if ( defined ( '\WP_DEBUG_LEVEL' ) ) {
$wp_level = $levels [ \WP_DEBUG_LEVEL ];
if ( $level_ > $wp_level ) {
return false;
}
}
// ERR, CRIT, ALERT and EMERG
if ( 3 >= $level_ ) {
\wp_die( '<h1>Error:</h1>' . '<p>' . $message . '</p>' );
exit;
}
$trace = debug_backtrace();
$caller = $trace[1];
$parent = $caller['function'];
if (isset($caller['class']))
$parent = $caller['class'] . '::' . $parent;
return error_log( "{$parent}: {$message}" );
}
/**
*
*/
function is_post ( &$post ) {
if ( !empty($post) && is_object($post) && isset($post->ID) && !empty($post->ID) )
return true;
return false;
}