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Imagemagick.php

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<?php
<?php
/**
/**
* @brief Image Class - ImageMagick
* @brief Image Class - ImageMagick
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @package Invision Community
* @since 06 Mar 2014
* @since 06 Mar 2014
*/
*/


namespace IPS\Image;
namespace IPS\Image;


/* To prevent PHP errors (extending class does not exist) revealing path */
/* To prevent PHP errors (extending class does not exist) revealing path */


use Imagick;
use Imagick;
use ImagickDraw;
use ImagickDraw;
use ImagickException;
use ImagickException;
use ImagickPixel;
use ImagickPixel;
use InvalidArgumentException;
use InvalidArgumentException;
use IPS\Image;
use IPS\Image;
use IPS\Settings;
use IPS\Settings;
use function count;
use function count;
use function defined;
use function defined;
use function file_put_contents;
use function file_put_contents;
use function in_array;
use function in_array;
use const IPS\TEMP_DIRECTORY;
use const IPS\TEMP_DIRECTORY;


if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
{
header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
exit;
}
}


/**
/**
* Image Class - ImageMagick
* Image Class - ImageMagick
*/
*/
class Imagemagick extends Image
class Imagemagick extends Image
{
{
/**
/**
* @brief Temporary filename
* @brief Temporary filename
*/
*/
protected string|null|false $tempFile = NULL;
protected string|null|false $tempFile = NULL;
/**
/**
* @brief Imagick object
* @brief Imagick object
*/
*/
protected Imagick $imagick;
protected Imagick $imagick;
/**
/**
* Constructor
* Constructor
*
*
* @param string|null $contents Contents
* @param string|null $contents Contents
* @param bool $noImage We are creating a new instance of the object internally and are not passing an image string
* @param bool $noImage We are creating a new instance of the object internally and are not passing an image string
* @return void
* @return void
* @throws InvalidArgumentException
* @throws InvalidArgumentException
*/
*/
public function __construct( ?string $contents, bool $noImage=FALSE )
public function __construct( ?string $contents, bool $noImage=FALSE )
{
{
/* If we are just creating an instance of the object without passing image contents as a string, return now */
/* If we are just creating an instance of the object without passing image contents as a string, return now */
if( $noImage === TRUE )
if( $noImage === TRUE )
{
{
return;
return;
}
}


$this->tempFile = tempnam( TEMP_DIRECTORY, 'imagick' );
$this->tempFile = tempnam( TEMP_DIRECTORY, 'imagick' );
if ( $this->tempFile === FALSE )
{
throw new \RuntimeException('Unable to create temporary file for ImageMagick');
}
file_put_contents( $this->tempFile, $contents );
file_put_contents( $this->tempFile, $contents );
try
try
{
{
$this->imagick = new Imagick( $this->tempFile );
$this->imagick = new Imagick( $this->tempFile );


/* Set quality (if image format is JPEG) */
/* Set quality (if image format is JPEG, WEBP, or AVIF) */
if ( in_array( mb_strtolower( $this->imagick->getImageFormat() ), array( 'jpg', 'jpeg', 'webp', 'avif' ) ) )
if ( in_array( mb_strtolower( $this->imagick->getImageFormat() ), array( 'jpg', 'jpeg', 'webp', 'avif' ) ) )
{
{
$this->imagick->setImageCompressionQuality( (int) Settings::i()->image_jpg_quality ?: 85 );
$this->imagick->setImageCompressionQuality( (int) Settings::i()->image_jpg_quality ?: 85 );
}
}
}
}
catch ( ImagickException $e )
catch ( ImagickException $e )
{
{
if ( $this->tempFile !== NULL && @is_file( $this->tempFile ) )
{
@unlink( $this->tempFile );
}
throw new InvalidArgumentException( $e->getMessage(), $e->getCode() );
throw new InvalidArgumentException( $e->getMessage(), $e->getCode() );
}
}


/* Set width/height */
/* Set width/height */
$this->setDimensions();
$this->setDimensions();
}
}
/**
/**
* Destructor
* Destructor
*
*
* @return void
* @return void
*/
*/
public function __destruct()
public function __destruct()
{
{
if( $this->tempFile !== NULL )
if( $this->tempFile !== NULL && @is_file( $this->tempFile ) )
{
{
unlink( $this->tempFile );
@unlink( $this->tempFile );
}
}
}
}
/**
/**
* Get Contents
* Get Contents
*
*
* @return string
* @return string
*/
*/
public function __toString()
public function __toString()
{
{
/* If possible, retain the color profiles when stripping EXIF data */
/* If possible, retain the color profiles when stripping EXIF data */
if( Settings::i()->imagick_strip_exif )
if( Settings::i()->imagick_strip_exif )
{
{
$imageColorProfiles = array();
$imageColorProfiles = array();


try
try
{
{
$imageColorProfiles = $this->imagick->getImageProfiles( 'icc' );
$imageColorProfiles = $this->imagick->getImageProfiles( 'icc' );
}
}
catch( ImagickException $e ){}
catch( ImagickException $e ){}


$this->imagick->stripImage();
$this->imagick->stripImage();


if( count( $imageColorProfiles ) )
if( count( $imageColorProfiles ) )
{
{
foreach( $imageColorProfiles as $type => $profile )
foreach( $imageColorProfiles as $type => $profile )
{
{
try
try
{
{
$this->imagick->profileImage( $type, $profile );
$this->imagick->profileImage( $type, $profile );
}
}
catch( ImagickException $e ){}
catch( ImagickException $e ){}
}
}
}
}
}
}


return $this->imagick->getImagesBlob();
return $this->imagick->getImagesBlob();
}
}
/**
/**
* Automatically orient the image based on EXIF data
*
* @return void
*/
public function autoOrient(): void
{
try
{
$this->imagick->autoOrient();
$this->setDimensions();
error_log("Après autoOrient - Largeur: {$this->width}, Hauteur: {$this->height}");
}
catch ( ImagickException $e )
{
error_log("Erreur autoOrient: " . $e->getMessage());
}
}

/**
* Resize
* Resize
*
*
* @param int $width Width (in pixels)
* @param int $width Width (in pixels)
* @param int $height Height (in pixels)
* @param int $height Height (in pixels)
* @return void
* @return void
*/
*/
public function resize( int $width, int $height ) : void
public function resize( int $width, int $height ) : void
{
{
$format = $this->imagick->getImageFormat();
$format = mb_strtolower( $this->imagick->getImageFormat() );


if( mb_strtolower( $format ) == 'gif' )
if( $format == 'gif' )
{
{
$this->imagick = $this->imagick->coalesceImages();
$this->imagick = $this->imagick->coalesceImages();


foreach( $this->imagick as $frame )
foreach( $this->imagick as $frame )
{
{
$frame->thumbnailImage( $width, $height );
$frame->thumbnailImage( $width, $height );
}
}


/* Needs ImageMagick 6.2.9 or higher for optimizeImageLayers */
/* Needs ImageMagick 6.2.9 or higher for optimizeImageLayers */
try
try
{
{
$this->imagick->optimizeImageLayers();
$this->imagick->optimizeImageLayers();
}
}
catch( ImagickException $e )
catch( ImagickException $e )
{
{
$this->imagick->deconstructImages();
$this->imagick->deconstructImages();
}
}
}
}
else
else
{
{
$this->imagick->thumbnailImage( $width, $height );
$this->imagick->thumbnailImage( $width, $height );
}
}


/* Set width/height */
/* Set width/height */
$this->setDimensions();
$this->setDimensions();
}
}


/**
/**
* Crop to a given width and height (will attempt to downsize first)
* Crop to a given width and height
*
*
* @param int $width Width (in pixels)
* @param int $width Width (in pixels)
* @param int $height Height (in pixels)
* @param int $height Height (in pixels)
* @return void
* @return void
*/
*/
public function crop( int $width, int $height ) : void
public function crop( int $width, int $height ) : void
{
{
$this->imagick->cropThumbnailImage( $width, $height );
$this->imagick->cropThumbnailImage( $width, $height );


/* Set width/height */
/* Set width/height */
$this->setDimensions();
$this->setDimensions();
}
}
/**
/**
* Crop at specific points
* Crop at specific points
*
*
* @param int $point1X x-point for top-left corner
* @param int $point1X x-point for top-left corner
* @param int $point1Y y-point for top-left corner
* @param int $point1Y y-point for top-left corner
* @param int $point2X x-point for bottom-right corner
* @param int $point2X x-point for bottom-right corner
* @param int $point2Y y-point for bottom-right corner
* @param int $point2Y y-point for bottom-right corner
* @return void
* @return void
*/
*/
public function cropToPoints( int $point1X, int $point1Y, int $point2X, int $point2Y ) : void
public function cropToPoints( int $point1X, int $point1Y, int $point2X, int $point2Y ) : void
{
{
if( mb_strtolower( $this->imagick->getImageFormat() ) === 'gif' )
$format = mb_strtolower( $this->imagick->getImageFormat() );

if( $format === 'gif' )
{
{
$this->imagick = $this->imagick->coalesceImages();
$this->imagick = $this->imagick->coalesceImages();
foreach( $this->imagick as $frame )
foreach( $this->imagick as $frame )
{
{
$frame->cropImage( $point2X - $point1X, $point2Y - $point1Y, $point1X, $point1Y );
$frame->cropImage( $point2X - $point1X, $point2Y - $point1Y, $point1X, $point1Y );
$frame->setImagePage($point2X - $point1X, $point2Y - $point1Y, 0, 0);
$frame->setImagePage( $point2X - $point1X, $point2Y - $point1Y, 0, 0 );
}
}
/* Needs ImageMagick 6.2.9 or higher for optimizeImageLayers */
/* Needs ImageMagick 6.2.9 or higher for optimizeImageLayers */
try
try
{
{
$this->imagick->optimizeImageLayers();
$this->imagick->optimizeImageLayers();
}
}
catch( ImagickException $e )
catch( ImagickException $e )
{
{
$this->imagick->deconstructImages();
$this->imagick->deconstructImages();
}
}
}
}
else
else
{
{
$this->imagick->cropImage( $point2X - $point1X, $point2Y - $point1Y, $point1X, $point1Y );
$this->imagick->cropImage( $point2X - $point1X, $point2Y - $point1Y, $point1X, $point1Y );
}
}


/* Set width/height */
/* Set width/height */
$this->setDimensions();
$this->setDimensions();
}
}
/**
/**
* Impose image
* Impose image
*
*
* @param Image $image Image to impose
* @param Image $image Image to impose
* @param int $x Location to impose to, x axis
* @param int $x Location to impose to, x axis
* @param int $y Location to impose to, y axis
* @param int $y Location to impose to, y axis
* @return void
* @return void
*/
*/
public function impose( Image $image, int $x=0, int $y=0 ) : void
public function impose( Image $image, int $x=0, int $y=0 ) : void
{
{
$this->imagick->compositeImage( $image->imagick, Imagick::COMPOSITE_DEFAULT, $x, $y );
if ( $image instanceof Imagemagick )
{
$this->imagick->compositeImage( $image->imagick, Imagick::COMPOSITE_DEFAULT, $x, $y );
}
}
}


/**
/**
* Rotate image
* Rotate image
*
*
* @param int $angle Angle of rotation
* @param int $angle Angle of rotation
* @return void
* @return void
*/
*/
public function rotate( int $angle ) : void
public function rotate( int $angle ) : void
{
{
$this->imagick->rotateImage( new ImagickPixel('#00000000'), $angle );
$this->imagick->rotateImage( new ImagickPixel('#00000000'), $angle );


/* Set width/height */
/* Set width/height */
$this->setDimensions();
$this->setDimensions();
}
}


/**
/**
* Flip image horizontally
*
* @return void
* @return void
*/
*/
public function flip(): void
public function flip(): void
{
{
$this->imagick->flopImage();
$this->imagick->flopImage();


/* Set width/height */
/* Set width/height */
$this->setDimensions();
$this->setDimensions();
}
}


/**
/**
* Set the image width and height
* Set the image width and height
*
*
* @return void
* @return void
*/
*/
protected function setDimensions() : void
protected function setDimensions() : void
{
{
/* If this is a gif, we need to coalesce the image in order to get the proper dimensions */
/* If this is a gif, we need to coalesce the image in order to get the proper dimensions */
if ( mb_strtolower( $this->imagick->getImageFormat() ) === 'gif' )
if ( mb_strtolower( $this->imagick->getImageFormat() ) === 'gif' )
{
{
$this->imagick = $this->imagick->coalesceImages();
$this->imagick = $this->imagick->coalesceImages();
}
}
/* Set width/height */
/* Set width/height */
$this->width = $this->imagick->getImageWidth();
$this->width = $this->imagick->getImageWidth();
$this->height = $this->imagick->getImageHeight();
$this->height = $this->imagick->getImageHeight();
}
}
/**
/**
* Get Image Orientation
* Get Image Orientation
*
*
* @return int|NULL
* @return int|null
*/
*/
public function getImageOrientation(): int|NULL
public function getImageOrientation(): ?int
{
{
try
try
{
{
if ( $orientation = parent::getImageOrientation() )
if ( $orientation = parent::getImageOrientation() )
{
{
return $orientation;
return $orientation;
}
}
/* This method does not exist in ImageMagick < 6.6.4 */
/* This method does not exist in ImageMagick < 6.6.4 */
return ( method_exists( $this->imagick, 'getImageOrientation' ) ) ? $this->imagick->getImageOrientation() : NULL;
return ( method_exists( $this->imagick, 'getImageOrientation' ) ) ? $this->imagick->getImageOrientation() : null;
}
}
catch( ImagickException $e )
catch( ImagickException $e )
{
{
return NULL;
return null;
}
}
}
}


/**
/**
* Set image orientation
* Set image orientation
*
*
* @param int $orientation The orientation
* @param int $orientation The orientation
* @return void
* @return void
*/
*/
public function setImageOrientation( int $orientation ) : void
public function setImageOrientation( int $orientation ) : void
{
{
if( method_exists( $this->imagick, 'getImageOrientation' ) )
if( method_exists( $this->imagick, 'setImageOrientation' ) )
{
{
$this->imagick->setImageOrientation($orientation);
$this->imagick->setImageOrientation( $orientation );
}
}
}
}


/**
/**
* Get Image Width
*
* @return int|null
*/
public function getWidth(): ?int
{
return $this->imagick->getImageWidth();
}

/**
* Get Image Height
*
* @return int|null
*/
public function getHeight(): ?int
{
return $this->imagick->getImageHeight();
}

/**
* Can we write text reliably on an image?
* Can we write text reliably on an image?
*
*
* @return bool
* @return bool
*/
*/
public static function canWriteText(): bool
public static function canWriteText(): bool
{
{
return TRUE;
return true;
}
}


/**
/**
* Create a new blank canvas image
* Create a new blank canvas image
*
*
* @param int $width Width
* @param int $width Width
* @param int $height Height
* @param int $height Height
* @param array $rgb Color to use for bg
* @param array $rgb Color to use for bg
* @return Image
* @return Image
*/
*/
public static function newImageCanvas( int $width, int $height, array $rgb ): Image
public static function newImageCanvas( int $width, int $height, array $rgb ): Image
{
{
$obj = new static(NULL, TRUE);
$obj = new static( null, true );
$obj->imagick = new Imagick();
$obj->imagick = new Imagick();
$obj->width = $width;
$obj->width = $width;
$obj->height = $height;
$obj->height = $height;
$obj->type = 'png';
$obj->type = 'png';
$pixel = new ImagickPixel( "rgba({$rgb[0]}, {$rgb[1]}, {$rgb[2]}, 1)" );
$pixel = new ImagickPixel( "rgba({$rgb[0]}, {$rgb[1]}, {$rgb[2]}, 1)" );


$obj->imagick->newImage( $width, $height, $pixel );
$obj->imagick->newImage( $width, $height, $pixel );
$obj->imagick->setImageFormat( "png" );
$obj->imagick->setImageFormat( 'png' );


return $obj;
return $obj;
}
}


/**
/**
* Write text on our image
* Write text on our image
*
*
* @param string $text Text
* @param string $text Text
* @param string $font Path to font to use
* @param string $font Path to font to use
* @param int $size Size of text
* @param int $size Size of text
* @return void
* @return void
*/
*/
public function write( string $text, string $font, int $size ) : void
public function write( string $text, string $font, int $size ) : void
{
{
$draw = new ImagickDraw();
$draw = new ImagickDraw();
$draw->setTextAntialias( true );
$draw->setTextAntialias( true );
$draw->setGravity( Imagick::GRAVITY_CENTER );
$draw->setGravity( Imagick::GRAVITY_CENTER );
$draw->setFont( $font );
$draw->setFont( $font );
$draw->setFontSize( $size );
$draw->setFontSize( $size );


$draw->setFillColor( new ImagickPixel( "rgba(255,255,255,1)" ) );
$draw->setFillColor( new ImagickPixel( 'rgba(255,255,255,1)' ) );


$this->imagick->annotateImage( $draw, 0, 0, 0, $text );
$this->imagick->annotateImage( $draw, 0, 0, 0, $text );
}
}
/**
/**
* Return an array of supported extensions
* Return an array of supported extensions
*
*
* @return array
* @return array
*/
*/
public static function supportedExtensions(): array
public static function supportedExtensions(): array
{
{
$extensions = static::$imageExtensions;
$extensions = static::$imageExtensions;
if( in_array( 'WEBP', Imagick::queryFormats() ) )
if( in_array( 'WEBP', Imagick::queryFormats() ) )
{
{
$extensions[] = 'webp';
$extensions[] = 'webp';
}
}


if( in_array( 'AVIF', Imagick::queryFormats() ) )
if( in_array( 'AVIF', Imagick::queryFormats() ) )
{
{
$extensions[] = 'avif';
$extensions[] = 'avif';
}
}


return $extensions;
return $extensions;
}
}
}
}
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