Version 4.0.13.1

system/Image/Imagemagick.php

@@ -0,0 +1,219 @@
+<?php
+/**
+ * @brief		Image Class - ImageMagick
+ * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) 2001 - SVN_YYYY Invision Power Services, Inc.
+ * @license		http://www.invisionpower.com/legal/standards/
+ * @package		IPS Social Suite
+ * @since		06 Mar 2014
+ * @version		SVN_VERSION_NUMBER
+ */
+
+namespace IPS\Image;
+
+/* To prevent PHP errors (extending class does not exist) revealing path */
+if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
+{
+	header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
+	exit;
+}
+
+/**
+ * Image Class - ImageMagick
+ */
+class _Imagemagick extends \IPS\Image
+{
+	/**
+	 * @brief	Temporary filename
+	 */
+	protected $tempFile;
+	
+	/**
+	 * @brief	Imagick object
+	 */
+	protected $imagick;
+	
+	/**
+	 * Constructor
+	 *
+	 * @param	string	$contents	Contents
+	 * @return	void
+	 * @throws	\InvalidArgumentException
+	 */
+	public function __construct( $contents )
+	{
+		$this->tempFile = tempnam( \IPS\TEMP_DIRECTORY, 'imagick' );
+		\file_put_contents( $this->tempFile, $contents );
+		
+		try
+		{
+			$this->imagick = new \Imagick( $this->tempFile );
+		}
+		catch ( \ImagickException $e )
+		{
+			throw new \InvalidArgumentException;
+		}
+
+		/* Set width/height */
+		$this->setDimensions();
+	}
+	
+	/**
+	 * Destructor
+	 *
+	 * @return	void
+	 */
+	public function __destruct()
+	{
+		unlink( $this->tempFile );
+	}
+	
+	/**
+	 * Get Contents
+	 *
+	 * @return	string
+	 */
+	public function __toString()
+	{
+		return (string) $this->imagick->getImagesBlob();
+	}
+	
+	/**
+	 * Resize
+	 *
+	 * @param	int		$width			Width (in pixels)
+	 * @param	int		$height			Height (in pixels)
+	 * @return	void
+	 */
+	public function resize( $width, $height )
+	{
+		$format = $this->imagick->getImageFormat();
+
+		if( mb_strtolower( $format ) == 'gif' )
+		{
+			$this->imagick	= $this->imagick->coalesceImages();
+
+			foreach( $this->imagick as $frame )
+			{
+				$frame->thumbnailImage( $width, $height );
+			}
+
+			$this->imagick	= $this->imagick->deconstructImages();
+		}
+		else
+		{
+			$this->imagick->thumbnailImage( $width, $height );
+		}
+
+		/* Set width/height */
+		$this->setDimensions();
+	}
+
+	/**
+	 * Crop to a given width and height (will attempt to downsize first)
+	 *
+	 * @param	int		$width			Width (in pixels)
+	 * @param	int		$height			Height (in pixels)
+	 * @return	void
+	 */
+	public function crop( $width, $height )
+	{
+		$this->imagick->cropThumbnailImage( $width, $height );
+
+		/* Set width/height */
+		$this->setDimensions();
+	}
+	
+	/**
+	 * Crop at specific points
+	 *
+	 * @param	int		$point1X		x-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		$point2Y		y-point for bottom-right corner
+	 * @return	void
+	 */
+	public function cropToPoints( $point1X, $point1Y, $point2X, $point2Y )
+	{
+		$this->imagick->cropImage( $point2X - $point1X, $point2Y - $point1Y, $point1X, $point1Y );
+
+		/* Set width/height */
+		$this->setDimensions();
+	}
+	
+	/**
+	 * Impose image
+	 *
+	 * @param	\IPS\Image	$image	Image to impose
+	 * @param	int			$x		Location to impose to, x axis
+	 * @param	int			$y		Location to impose to, y axis
+	 * @return	void
+	 */
+	public function impose( $image, $x=0, $y=0 )
+	{
+		$this->imagick->compositeImage( $image->imagick, \Imagick::COMPOSITE_DEFAULT, $x, $y );
+	}
+
+	/**
+	 * Rotate image
+	 *
+	 * @param	int		$angle	Angle of rotation
+	 * @return	void
+	 */
+	public function rotate( $angle )
+	{
+		$this->imagick->rotateImage( new \ImagickPixel('#00000000'), $angle );
+
+		/* Set width/height */
+		$this->setDimensions();
+	}
+
+	/**
+	 * Set the image width and height
+	 *
+	 * @return	void
+	 */
+	protected function setDimensions()
+	{
+		/* Set width/height */
+		$this->width = $this->imagick->getImageWidth();
+		$this->height = $this->imagick->getImageHeight();
+	}
+	
+	/**
+	 * Get Image Orientation
+	 *
+	 * @return	int|NULL
+	 */
+	/**
+	 * Get Image Orientation
+	 *
+	 * @return	int|NULL
+	 */
+	public function getImageOrientation()
+	{
+		try
+		{
+			/* This method does not exist in ImageMagick < 6.6.4 */
+			return ( method_exists( $this->imagick, 'getImageOrientation' ) ) ? $this->imagick->getImageOrientation() : NULL;
+		}
+		catch( \ImagickException $e )
+		{
+			return NULL;
+		}
+	}
+
+	/**
+	 * Set image orientation
+	 *
+	 * @param	int		$orientation The orientation
+	 * @return	void
+	 */
+	public function setImageOrientation( $orientation )
+	{
+		if( method_exists( $this->imagick, 'getImageOrientation' ) )
+		{
+			$this->imagick->setImageOrientation($orientation);
+		}
+	}
+}