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<?php
# ========================================================================#
#
#  This work is licensed under the Creative Commons Attribution 3.0 Unported
#  License. To view a copy of this license,
#  visit http://creativecommons.org/licenses/by/3.0/ or send a letter to
#  Creative Commons, 444 Castro Street, Suite 900, Mountain View, California,
#  94041, USA.
#
#  All rights reserved.
#
#  Author:    Jarrod Oberto
#  Version:   1.5.1
#  Date:      10-05-11
#  Purpose:   Provide tools for image manipulation using GD
#  Param In:  See functions.
#  Param Out: Produces a resized image
#  Requires : Requires PHP GD library.
#  Usage Example:
#                     include("lib/php_image_magician.php");
#                     $magicianObj = new resize('images/car.jpg');
#                     $magicianObj -> resizeImage(150, 100, 0);
#                     $magicianObj -> saveImage('images/car_small.jpg', 100);
#
#        - See end of doc for more examples -
#
#  Supported file types include: jpg, png, gif, bmp, psd (read)
#
#
#
#  The following functions are taken from phpThumb() [available from
#    http://phpthumb.sourceforge.net], and are used with written permission
#  from James Heinrich.
#    - GD2BMPstring
#      - GetPixelColor
#      - LittleEndian2String
#
#  The following functions are from Marc Hibbins and are used with written
#  permission (are also under the Attribution-ShareAlike
#  [http://creativecommons.org/licenses/by-sa/3.0/] license.
#    -
#
#  PhpPsdReader is used with written permission from Tim de Koning.
#  [http://www.kingsquare.nl/phppsdreader]
#
#
#
#  Modificatoin history
#  Date      Initials  Ver Description
#  10-05-11  J.C.O   0.0 Initial build
#  01-06-11  J.C.O   0.1.1   * Added reflections
#              * Added Rounded corners
#              * You can now use PNG interlacing
#              * Added shadow
#              * Added caption box
#              * Added vintage filter
#              * Added dynamic image resizing (resize on the fly)
#              * minor bug fixes
#  05-06-11  J.C.O   0.1.1.1 * Fixed undefined variables
#  17-06-11  J.C.O   0.1.2   * Added image_batch_class.php class
#              * Minor bug fixes
#  26-07-11  J.C.O   0.1.4 * Added support for external images
#              * Can now set the crop poisition
#  03-08-11  J.C.O   0.1.5 * Added reset() method to reset resource to
#                original input file.
#              * Added method addTextToCaptionBox() to
#                simplify adding text to a caption box.
#              * Added experimental writeIPTC. (not finished)
#              * Added experimental readIPTC. (not finished)
#  11-08-11  J.C.O     * Added initial border presets.
#  30-08-11  J.C.O     * Added 'auto' crop option to crop portrait
#                images near the top.
#  08-09-11  J.C.O     * Added cropImage() method to allow standalone
#                cropping.
#  17-09-11  J.C.O     * Added setCropFromTop() set method - set the
#                percentage to crop from the top when using
#                crop 'auto' option.
#              * Added setTransparency() set method - allows you
#                to turn transparency off (like when saving
#                as a jpg).
#              * Added setFillColor() set method - set the
#                background color to use instead of transparency.
#  05-11-11  J.C.O   0.1.5.1 * Fixed interlacing option
#  0-07-12  J.C.O   1.0
#
#  Known issues & Limitations:
# -------------------------------
#  Not so much an issue, the image is destroyed on the deconstruct rather than
#  when we have finished with it. The reason for this is that we don't know
#  when we're finished with it as you can both save the image and display
#  it directly to the screen (imagedestroy($this->imageResized))
#
#  Opening BMP files is slow. A test with 884 bmp files processed in a loop
#  takes forever - over 5 min. This test inlcuded opening the file, then
#  getting and displaying its width and height.
#
#  $forceStretch:
# -------------------------------
#  On by default.
#  $forceStretch can be disabled by calling method setForceStretch with false
#  parameter. If disabled, if an images original size is smaller than the size
#  specified by the user, the original size will be used. This is useful when
#  dealing with small images.
#
#  If enabled, images smaller than the size specified will be stretched to
#  that size.
#
#  Tips:
# -------------------------------
#  * If you're resizing a transparent png and saving it as a jpg, set
#  $keepTransparency to false with: $magicianObj->setTransparency(false);
#
#  FEATURES:
#    * EASY TO USE
#    * BMP SUPPORT (read & write)
#    * PSD (photoshop) support (read)
#    * RESIZE IMAGES
#      - Preserve transparency (png, gif)
#      - Apply sharpening (jpg) (requires PHP >= 5.1.0)
#      - Set image quality (jpg, png)
#      - Resize modes:
#        - exact size
#        - resize by width (auto height)
#        - resize by height (auto width)
#        - auto (automatically determine the best of the above modes to use)
#        - crop - resize as best as it can then crop the rest
#      - Force stretching of smaller images (upscale)
#    * APPLY FILTERS
#      - Convert to grey scale
#      - Convert to black and white
#      - Convert to sepia
#      - Convert to negative
#    * ROTATE IMAGES
#      - Rotate using predefined "left", "right", or "180"; or any custom degree amount
#    * EXTRACT EXIF DATA (requires exif module)
#      - make
#      - model
#      - date
#      - exposure
#      - aperture
#      - f-stop
#      - iso
#      - focal length
#      - exposure program
#      - metering mode
#      - flash status
#      - creator
#      - copyright
#    * ADD WATERMARK
#      - Specify exact x, y placement
#      - Or, specify using one of the 9 pre-defined placements such as "tl"
#        (for top left), "m" (for middle), "br" (for bottom right)
#        - also specify padding from edge amount (optional).
#      - Set opacity of watermark (png).
#    * ADD BORDER
#    * USE HEX WHEN SPECIFYING COLORS (eg: #ffffff)
#    * SAVE IMAGE OR OUTPUT TO SCREEN
#
#
# ========================================================================#


class imageLib {

	private   $fileName;
	private   $image;
	protected $imageResized;
	private   $widthOriginal;     # Always be the original width
	private   $heightOriginal;
	private   $width;         # Current width (width after resize)
	private   $height;
	private   $imageSize;
	private   $fileExtension;

	private $debug      = true;
	private $errorArray = array();

	private $forceStretch        = true;
	private $aggresiveSharpening = false;

	private $transparentArray = array( '.png', '.gif' );
	private $keepTransparency = true;
	private $fillColorArray   = array( 'r' => 255, 'g' => 255, 'b' => 255 );

	private $sharpenArray = array( 'jpg' );

	private $psdReaderPath;
	private $filterOverlayPath;

	private $isInterlace;

	private $captionBoxPositionArray = array();

	private $fontDir = 'fonts';

	private $cropFromTopPercent = 10;


## --------------------------------------------------------

	function __construct($fileName)
		# Author:     Jarrod Oberto
		# Date:     27-02-08
		# Purpose:    Constructor
		# Param in:   $fileName: File name and path.
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{
		if ( ! $this->testGDInstalled())
		{
			if ($this->debug)
			{
				throw new Exception('The GD Library is not installed.');
			}
			else
			{
				throw new Exception();
			}
		};

		$this->initialise();

		// *** Save the image file name. Only store this incase you want to display it
		$this->fileName = $fileName;
		$this->fileExtension = fix_strtolower(strrchr($fileName, '.'));

		// *** Open up the file
		$this->image = $this->openImage($fileName);


		// *** Assign here so we don't modify the original
		$this->imageResized = $this->image;

		// *** If file is an image
		if ($this->testIsImage($this->image))
		{
			// *** Get width and height
			$this->width = imagesx($this->image);
			$this->widthOriginal = imagesx($this->image);
			$this->height = imagesy($this->image);
			$this->heightOriginal = imagesy($this->image);


			/*  Added 15-09-08
         *  Get the filesize using this build in method.
         *  Stores an array of size
         *
         *  $this->imageSize[1] = width
         *  $this->imageSize[2] = height
         *  $this->imageSize[3] = width x height
         *
         */
			$this->imageSize = getimagesize($this->fileName);

		}
		else
		{
			$this->errorArray[] = 'File is not an image';
		}
	}

## --------------------------------------------------------

	private function initialise()
	{

		$this->psdReaderPath = dirname(__FILE__) . '/classPhpPsdReader.php';
		$this->filterOverlayPath = dirname(__FILE__) . '/filters';

		// *** Set if image should be interlaced or not.
		$this->isInterlace = false;
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Resize
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/


	public function resizeImage($newWidth, $newHeight, $option = 0, $sharpen = false, $autoRotate = false)
		# Author:     Jarrod Oberto
		# Date:       27-02-08
		# Purpose:    Resizes the image
		# Param in:   $newWidth:
		#             $newHeight:
		#             $option:     0 / exact = defined size;
		#                          1 / portrait = keep aspect set height;
		#                          2 / landscape = keep aspect set width;
		#                          3 / auto = auto;
		#                          4 / crop= resize and crop;
		#
		#         $option can also be an array containing options for
		#         cropping. E.G., array('crop', 'r')
		#
		#         This array only applies to 'crop' and the 'r' refers to
		#         "crop right". Other value include; tl, t, tr, l, m (default),
		#         r, bl, b, br, or you can specify your own co-ords (which
		#         isn't recommended.
		#
		#       $sharpen:    true: sharpen (jpg only);
		#                false: don't sharpen
		# Param out:  n/a
		# Reference:
		# Notes:      To clarify the $option input:
		#               0 = The exact height and width dimensions you set.
		#               1 = Whatever height is passed in will be the height that
		#                   is set. The width will be calculated and set automatically
		#                   to a the value that keeps the original aspect ratio.
		#               2 = The same but based on the width. We try make the image the
		#                  biggest size we can while stil fitting inside the box size
		#               3 = Depending whether the image is landscape or portrait, this
		#                   will automatically determine whether to resize via
		#                   dimension 1,2 or 0
		#               4 = Will resize and then crop the image for best fit
		#
		#       forceStretch can be applied to options 1,2,3 and 4
		#
	{

		// *** We can pass in an array of options to change the crop position
		$cropPos = 'm';
		if (is_array($option) && fix_strtolower($option[0]) == 'crop')
		{
			$cropPos = $option[1];         # get the crop option
		}
		else
		{
			if (strpos($option, '-') !== false)
			{
				// *** Or pass in a hyphen seperated option
				$optionPiecesArray = explode('-', $option);
				$cropPos = end($optionPiecesArray);
			}
		}

		// *** Check the option is valid
		$option = $this->prepOption($option);

		// *** Make sure the file passed in is valid
		if ( ! $this->image)
		{
			if ($this->debug)
			{
				throw new Exception('file ' . $this->getFileName() . ' is missing or invalid');
			}
			else
			{
				throw new Exception();
			}
		};

		// *** Get optimal width and height - based on $option
		$dimensionsArray = $this->getDimensions($newWidth, $newHeight, $option);

		$optimalWidth = $dimensionsArray['optimalWidth'];
		$optimalHeight = $dimensionsArray['optimalHeight'];

		// *** Resample - create image canvas of x, y size
		$this->imageResized = imagecreatetruecolor($optimalWidth, $optimalHeight);
		$this->keepTransparancy($optimalWidth, $optimalHeight, $this->imageResized);
		imagecopyresampled($this->imageResized, $this->image, 0, 0, 0, 0, $optimalWidth, $optimalHeight, $this->width, $this->height);


		// *** If '4', then crop too
		if ($option == 4 || $option == 'crop')
		{

			if (($optimalWidth >= $newWidth && $optimalHeight >= $newHeight))
			{
				$this->crop($optimalWidth, $optimalHeight, $newWidth, $newHeight, $cropPos);
			}
		}

		// *** If Rotate.
		if ($autoRotate)
		{

			$exifData = $this->getExif(false);
			if (count($exifData) > 0)
			{

				switch ($exifData['orientation'])
				{
					case 8:
						$this->imageResized = imagerotate($this->imageResized, 90, 0);
						break;
					case 3:
						$this->imageResized = imagerotate($this->imageResized, 180, 0);
						break;
					case 6:
						$this->imageResized = imagerotate($this->imageResized, -90, 0);
						break;
				}
			}
		}

		// *** Sharpen image (if jpg and the user wishes to do so)
		if ($sharpen && in_array($this->fileExtension, $this->sharpenArray))
		{

			// *** Sharpen
			$this->sharpen();
		}
	}

## --------------------------------------------------------

	public function cropImage($newWidth, $newHeight, $cropPos = 'm')
		# Author:     Jarrod Oberto
		# Date:       08-09-11
		# Purpose:    Crops the image
		# Param in:   $newWidth: crop with
		#             $newHeight: crop height
		#       $cropPos: Can be any of the following:
		#             tl, t, tr, l, m, r, bl, b, br, auto
		#           Or:
		#             a custom position such as '30x50'
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{

		// *** Make sure the file passed in is valid
		if ( ! $this->image)
		{
			if ($this->debug)
			{
				throw new Exception('file ' . $this->getFileName() . ' is missing or invalid');
			}
			else
			{
				throw new Exception();
			}
		};

		$this->imageResized = $this->image;
		$this->crop($this->width, $this->height, $newWidth, $newHeight, $cropPos);

	}

## --------------------------------------------------------

	private function keepTransparancy($width, $height, $im)
		# Author:     Jarrod Oberto
		# Date:       08-04-11
		# Purpose:    Keep transparency for png and gif image
		# Param in:
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{
		// *** If PNG, perform some transparency retention actions (gif untested)
		if (in_array($this->fileExtension, $this->transparentArray) && $this->keepTransparency)
		{
			imagealphablending($im, false);
			imagesavealpha($im, true);
			$transparent = imagecolorallocatealpha($im, 255, 255, 255, 127);
			imagefilledrectangle($im, 0, 0, $width, $height, $transparent);
		}
		else
		{
			$color = imagecolorallocate($im, $this->fillColorArray['r'], $this->fillColorArray['g'], $this->fillColorArray['b']);
			imagefilledrectangle($im, 0, 0, $width, $height, $color);
		}
	}

## --------------------------------------------------------

	private function crop($optimalWidth, $optimalHeight, $newWidth, $newHeight, $cropPos)
		# Author:     Jarrod Oberto
		# Date:       15-09-08
		# Purpose:    Crops the image
		# Param in:   $newWidth:
		#             $newHeight:
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{

		// *** Get cropping co-ordinates
		$cropArray = $this->getCropPlacing($optimalWidth, $optimalHeight, $newWidth, $newHeight, $cropPos);
		$cropStartX = $cropArray['x'];
		$cropStartY = $cropArray['y'];

		// *** Crop this bad boy
		$crop = imagecreatetruecolor($newWidth, $newHeight);
		$this->keepTransparancy($optimalWidth, $optimalHeight, $crop);
		imagecopyresampled($crop, $this->imageResized, 0, 0, $cropStartX, $cropStartY, $newWidth, $newHeight, $newWidth, $newHeight);

		$this->imageResized = $crop;

		// *** Set new width and height to our variables
		$this->width = $newWidth;
		$this->height = $newHeight;

	}

## --------------------------------------------------------

	private function getCropPlacing($optimalWidth, $optimalHeight, $newWidth, $newHeight, $pos = 'm')
		#
		# Author:   Jarrod Oberto
		# Date:   July 11
		# Purpose:  Set the cropping area.
		# Params in:
		# Params out: (array) the crop x and y co-ordinates.
		# Notes:    When specifying the exact pixel crop position (eg 10x15), be
		#       very careful as it's easy to crop out of the image leaving
		#       black borders.
		#
	{
		$pos = fix_strtolower($pos);

		// *** If co-ords have been entered
		if (strstr($pos, 'x'))
		{
			$pos = str_replace(' ', '', $pos);

			$xyArray = explode('x', $pos);
			list($cropStartX, $cropStartY) = $xyArray;

		}
		else
		{

			switch ($pos)
			{
				case 'tl':
					$cropStartX = 0;
					$cropStartY = 0;
					break;

				case 't':
					$cropStartX = ($optimalWidth / 2) - ($newWidth / 2);
					$cropStartY = 0;
					break;

				case 'tr':
					$cropStartX = $optimalWidth - $newWidth;
					$cropStartY = 0;
					break;

				case 'l':
					$cropStartX = 0;
					$cropStartY = ($optimalHeight / 2) - ($newHeight / 2);
					break;

				case 'm':
					$cropStartX = ($optimalWidth / 2) - ($newWidth / 2);
					$cropStartY = ($optimalHeight / 2) - ($newHeight / 2);
					break;

				case 'r':
					$cropStartX = $optimalWidth - $newWidth;
					$cropStartY = ($optimalHeight / 2) - ($newHeight / 2);
					break;

				case 'bl':
					$cropStartX = 0;
					$cropStartY = $optimalHeight - $newHeight;
					break;

				case 'b':
					$cropStartX = ($optimalWidth / 2) - ($newWidth / 2);
					$cropStartY = $optimalHeight - $newHeight;
					break;

				case 'br':
					$cropStartX = $optimalWidth - $newWidth;
					$cropStartY = $optimalHeight - $newHeight;
					break;

				case 'auto':
					// *** If image is a portrait crop from top, not center. v1.5
					if ($optimalHeight > $optimalWidth)
					{
						$cropStartX = ($optimalWidth / 2) - ($newWidth / 2);
						$cropStartY = ($this->cropFromTopPercent / 100) * $optimalHeight;
					}
					else
					{

						// *** Else crop from the center
						$cropStartX = ($optimalWidth / 2) - ($newWidth / 2);
						$cropStartY = ($optimalHeight / 2) - ($newHeight / 2);
					}
					break;

				default:
					// *** Default to center
					$cropStartX = ($optimalWidth / 2) - ($newWidth / 2);
					$cropStartY = ($optimalHeight / 2) - ($newHeight / 2);
					break;
			}
		}

		return array( 'x' => $cropStartX, 'y' => $cropStartY );
	}

## --------------------------------------------------------

	private function getDimensions($newWidth, $newHeight, $option)
		# Author:     Jarrod Oberto
		# Date:       17-11-09
		# Purpose:    Get new image dimensions based on user specificaions
		# Param in:   $newWidth:
		#             $newHeight:
		# Param out:  Array of new width and height values
		# Reference:
		# Notes:    If $option = 3 then this function is call recursivly
		#
		#       To clarify the $option input:
		#               0 = The exact height and width dimensions you set.
		#               1 = Whatever height is passed in will be the height that
		#                   is set. The width will be calculated and set automatically
		#                   to a the value that keeps the original aspect ratio.
		#               2 = The same but based on the width.
		#               3 = Depending whether the image is landscape or portrait, this
		#                   will automatically determine whether to resize via
		#                   dimension 1,2 or 0.
		#               4 = Resize the image as much as possible, then crop the
		#         remainder.
	{

		switch (strval($option))
		{
			case '0':
			case 'exact':
				$optimalWidth = $newWidth;
				$optimalHeight = $newHeight;
				break;
			case '1':
			case 'portrait':
				$dimensionsArray = $this->getSizeByFixedHeight($newWidth, $newHeight);
				$optimalWidth = $dimensionsArray['optimalWidth'];
				$optimalHeight = $dimensionsArray['optimalHeight'];
				break;
			case '2':
			case 'landscape':
				$dimensionsArray = $this->getSizeByFixedWidth($newWidth, $newHeight);
				$optimalWidth = $dimensionsArray['optimalWidth'];
				$optimalHeight = $dimensionsArray['optimalHeight'];
				break;
			case '3':
			case 'auto':
				$dimensionsArray = $this->getSizeByAuto($newWidth, $newHeight);
				$optimalWidth = $dimensionsArray['optimalWidth'];
				$optimalHeight = $dimensionsArray['optimalHeight'];
				break;
			case '4':
			case 'crop':
				$dimensionsArray = $this->getOptimalCrop($newWidth, $newHeight);
				$optimalWidth = $dimensionsArray['optimalWidth'];
				$optimalHeight = $dimensionsArray['optimalHeight'];
				break;
		}

		return array( 'optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight );
	}

## --------------------------------------------------------

	private function getSizeByFixedHeight($newWidth, $newHeight)
	{
		// *** If forcing is off...
		if ( ! $this->forceStretch)
		{

			// *** ...check if actual height is less than target height
			if ($this->height < $newHeight)
			{
				return array( 'optimalWidth' => $this->width, 'optimalHeight' => $this->height );
			}
		}

		$ratio = $this->width / $this->height;

		$newWidth = $newHeight * $ratio;

		//return $newWidth;
		return array( 'optimalWidth' => $newWidth, 'optimalHeight' => $newHeight );
	}

## --------------------------------------------------------

	private function getSizeByFixedWidth($newWidth, $newHeight)
	{
		// *** If forcing is off...
		if ( ! $this->forceStretch)
		{

			// *** ...check if actual width is less than target width
			if ($this->width < $newWidth)
			{
				return array( 'optimalWidth' => $this->width, 'optimalHeight' => $this->height );
			}
		}

		$ratio = $this->height / $this->width;

		$newHeight = $newWidth * $ratio;

		//return $newHeight;
		return array( 'optimalWidth' => $newWidth, 'optimalHeight' => $newHeight );
	}

## --------------------------------------------------------

	private function getSizeByAuto($newWidth, $newHeight)
		# Author:     Jarrod Oberto
		# Date:       19-08-08
		# Purpose:    Depending on the height, choose to resize by 0, 1, or 2
		# Param in:   The new height and new width
		# Notes:
		#
	{
		// *** If forcing is off...
		if ( ! $this->forceStretch)
		{

			// *** ...check if actual size is less than target size
			if ($this->width < $newWidth && $this->height < $newHeight)
			{
				return array( 'optimalWidth' => $this->width, 'optimalHeight' => $this->height );
			}
		}

		if ($this->height < $this->width)
			// *** Image to be resized is wider (landscape)
		{
			//$optimalWidth = $newWidth;
			//$optimalHeight= $this->getSizeByFixedWidth($newWidth);

			$dimensionsArray = $this->getSizeByFixedWidth($newWidth, $newHeight);
			$optimalWidth = $dimensionsArray['optimalWidth'];
			$optimalHeight = $dimensionsArray['optimalHeight'];
		}
		elseif ($this->height > $this->width)
			// *** Image to be resized is taller (portrait)
		{
			//$optimalWidth = $this->getSizeByFixedHeight($newHeight);
			//$optimalHeight= $newHeight;

			$dimensionsArray = $this->getSizeByFixedHeight($newWidth, $newHeight);
			$optimalWidth = $dimensionsArray['optimalWidth'];
			$optimalHeight = $dimensionsArray['optimalHeight'];
		}
		else
			// *** Image to be resizerd is a square
		{

			if ($newHeight < $newWidth)
			{
				//$optimalWidth = $newWidth;
				//$optimalHeight= $this->getSizeByFixedWidth($newWidth);
				$dimensionsArray = $this->getSizeByFixedWidth($newWidth, $newHeight);
				$optimalWidth = $dimensionsArray['optimalWidth'];
				$optimalHeight = $dimensionsArray['optimalHeight'];
			}
			else
			{
				if ($newHeight > $newWidth)
				{
					//$optimalWidth = $this->getSizeByFixedHeight($newHeight);
					//$optimalHeight= $newHeight;
					$dimensionsArray = $this->getSizeByFixedHeight($newWidth, $newHeight);
					$optimalWidth = $dimensionsArray['optimalWidth'];
					$optimalHeight = $dimensionsArray['optimalHeight'];
				}
				else
				{
					// *** Sqaure being resized to a square
					$optimalWidth = $newWidth;
					$optimalHeight = $newHeight;
				}
			}
		}

		return array( 'optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight );
	}

## --------------------------------------------------------

	private function getOptimalCrop($newWidth, $newHeight)
		# Author:     Jarrod Oberto
		# Date:       17-11-09
		# Purpose:    Get optimal crop dimensions
		# Param in:   width and height as requested by user (fig 3)
		# Param out:  Array of optimal width and height (fig 2)
		# Reference:
		# Notes:      The optimal width and height return are not the same as the
		#       same as the width and height passed in. For example:
		#
		#
		#   |-----------------|     |------------|       |-------|
		#   |             |   =>  |**|      |**|   =>  |       |
		#   |             |     |**|      |**|       |       |
		#   |           |       |------------|       |-------|
		#   |-----------------|
		#        original                optimal             crop
		#              size                   size               size
		#  Fig          1                      2                  3
		#
		#       300 x 250           150 x 125          150 x 100
		#
		#    The optimal size is the smallest size (that is closest to the crop size)
		#    while retaining proportion/ratio.
		#
		#  The crop size is the optimal size that has been cropped on one axis to
		#  make the image the exact size specified by the user.
		#
		#               * represent cropped area
		#
	{

		// *** If forcing is off...
		if ( ! $this->forceStretch)
		{

			// *** ...check if actual size is less than target size
			if ($this->width < $newWidth && $this->height < $newHeight)
			{
				return array( 'optimalWidth' => $this->width, 'optimalHeight' => $this->height );
			}
		}

		$heightRatio = $this->height / $newHeight;
		$widthRatio = $this->width / $newWidth;

		if ($heightRatio < $widthRatio)
		{
			$optimalRatio = $heightRatio;
		}
		else
		{
			$optimalRatio = $widthRatio;
		}

		$optimalHeight = round($this->height / $optimalRatio);
		$optimalWidth = round($this->width / $optimalRatio);

		return array( 'optimalWidth' => $optimalWidth, 'optimalHeight' => $optimalHeight );
	}

## --------------------------------------------------------

	private function sharpen()
		# Author:     Jarrod Oberto
		# Date:       08 04 2011
		# Purpose:    Sharpen image
		# Param in:   n/a
		# Param out:  n/a
		# Reference:
		# Notes:
		# Credit:   Incorporates Joe Lencioni (August 6, 2008) code
	{

		if (version_compare(PHP_VERSION, '5.1.0') >= 0)
		{

			// ***
			if ($this->aggresiveSharpening)
			{ # A more aggressive sharpening solution

				$sharpenMatrix = array( array( -1, -1, -1 ),
										array( -1, 16, -1 ),
										array( -1, -1, -1 ) );
				$divisor = 8;
				$offset = 0;

				imageconvolution($this->imageResized, $sharpenMatrix, $divisor, $offset);
			}
			else # More subtle and personally more desirable
			{
				$sharpness = $this->findSharp($this->widthOriginal, $this->width);

				$sharpenMatrix = array(
					array( -1, -2, -1 ),
					array( -2, $sharpness + 12, -2 ), //Lessen the effect of a filter by increasing the value in the center cell
					array( -1, -2, -1 )
				);
				$divisor = $sharpness; // adjusts brightness
				$offset = 0;
				imageconvolution($this->imageResized, $sharpenMatrix, $divisor, $offset);
			}
		}
		else
		{
			if ($this->debug)
			{
				throw new Exception('Sharpening required PHP 5.1.0 or greater.');
			}
		}
	}

	## --------------------------------------------------------

	private function sharpen2($level)
	{
		$sharpenMatrix = array(
			array( $level, $level, $level ),
			array( $level, (8 * $level) + 1, $level ), //Lessen the effect of a filter by increasing the value in the center cell
			array( $level, $level, $level )
		);

	}

## --------------------------------------------------------

	private function findSharp($orig, $final)
		# Author:     Ryan Rud (http://adryrun.com)
		# Purpose:    Find optimal sharpness
		# Param in:   n/a
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{
		$final = $final * (750.0 / $orig);
		$a = 52;
		$b = -0.27810650887573124;
		$c = .00047337278106508946;

		$result = $a + $b * $final + $c * $final * $final;

		return max(round($result), 0);
	}

## --------------------------------------------------------

	private function prepOption($option)
		# Author:     Jarrod Oberto
		# Purpose:    Prep option like change the passed in option to lowercase
		# Param in:   (str/int) $option: eg. 'exact', 'crop'. 0, 4
		# Param out:  lowercase string
		# Reference:
		# Notes:
		#
	{
		if (is_array($option))
		{
			if (fix_strtolower($option[0]) == 'crop' && count($option) == 2)
			{
				return 'crop';
			}
			else
			{
				throw new Exception('Crop resize option array is badly formatted.');
			}
		}
		else
		{
			if (strpos($option, 'crop') !== false)
			{
				return 'crop';
			}
		}

		if (is_string($option))
		{
			return fix_strtolower($option);
		}

		return $option;
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Presets
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

#
# Preset are pre-defined templates you can apply to your image.
#
# These are inteded to be applied to thumbnail images.
#


	public function borderPreset($preset)
	{
		switch ($preset)
		{

			case 'simple':
				$this->addBorder(7, '#fff');
				$this->addBorder(6, '#f2f1f0');
				$this->addBorder(2, '#fff');
				$this->addBorder(1, '#ccc');
				break;
			default:
				break;
		}

	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Draw border
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function addBorder($thickness = 1, $rgbArray = array( 255, 255, 255 ))
		# Author:     Jarrod Oberto
		# Date:       05-05-11
		# Purpose:    Add a border to the image
		# Param in:
		# Param out:
		# Reference:
		# Notes:    This border is added to the INSIDE of the image
		#
	{
		if ($this->imageResized)
		{

			$rgbArray = $this->formatColor($rgbArray);
			$r = $rgbArray['r'];
			$g = $rgbArray['g'];
			$b = $rgbArray['b'];


			$x1 = 0;
			$y1 = 0;
			$x2 = ImageSX($this->imageResized) - 1;
			$y2 = ImageSY($this->imageResized) - 1;

			$rgbArray = ImageColorAllocate($this->imageResized, $r, $g, $b);


			for ($i = 0; $i < $thickness; $i++)
			{
				ImageRectangle($this->imageResized, $x1++, $y1++, $x2--, $y2--, $rgbArray);
			}
		}
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Gray Scale
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function greyScale()
		# Author:     Jarrod Oberto
		# Date:       07-05-2011
		# Purpose:    Make image greyscale
		# Param in:   n/a
		# Param out:
		# Reference:
		# Notes:
		#
	{
		if ($this->imageResized)
		{
			imagefilter($this->imageResized, IMG_FILTER_GRAYSCALE);
		}

	}

	## --------------------------------------------------------

	public function greyScaleEnhanced()
		# Author:     Jarrod Oberto
		# Date:       07-05-2011
		# Purpose:    Make image greyscale
		# Param in:   n/a
		# Param out:
		# Reference:
		# Notes:
		#
	{
		if ($this->imageResized)
		{
			imagefilter($this->imageResized, IMG_FILTER_GRAYSCALE);
			imagefilter($this->imageResized, IMG_FILTER_CONTRAST, -15);
			imagefilter($this->imageResized, IMG_FILTER_BRIGHTNESS, 2);
			$this->sharpen($this->width);
		}
	}

	## --------------------------------------------------------

	public function greyScaleDramatic()
		# Alias of gd_filter_monopin
	{
		$this->gd_filter_monopin();
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Black 'n White
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function blackAndWhite()
		# Author:     Jarrod Oberto
		# Date:       07-05-2011
		# Purpose:    Make image black and white
		# Param in:   n/a
		# Param out:
		# Reference:
		# Notes:
		#
	{
		if ($this->imageResized)
		{

			imagefilter($this->imageResized, IMG_FILTER_GRAYSCALE);
			imagefilter($this->imageResized, IMG_FILTER_CONTRAST, -1000);
		}

	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Negative
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function negative()
		# Author:     Jarrod Oberto
		# Date:       07-05-2011
		# Purpose:    Make image negative
		# Param in:   n/a
		# Param out:
		# Reference:
		# Notes:
		#
	{
		if ($this->imageResized)
		{

			imagefilter($this->imageResized, IMG_FILTER_NEGATE);
		}

	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Sepia
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function sepia()
		# Author:     Jarrod Oberto
		# Date:       07-05-2011
		# Purpose:    Make image sepia
		# Param in:   n/a
		# Param out:
		# Reference:
		# Notes:
		#
	{
		if ($this->imageResized)
		{
			imagefilter($this->imageResized, IMG_FILTER_GRAYSCALE);
			imagefilter($this->imageResized, IMG_FILTER_BRIGHTNESS, -10);
			imagefilter($this->imageResized, IMG_FILTER_CONTRAST, -20);
			imagefilter($this->imageResized, IMG_FILTER_COLORIZE, 60, 30, -15);
		}
	}

	## --------------------------------------------------------

	public function sepia2()

	{
		if ($this->imageResized)
		{

			$total = imagecolorstotal($this->imageResized);
			for ($i = 0; $i < $total; $i++)
			{
				$index = imagecolorsforindex($this->imageResized, $i);
				$red = ($index["red"] * 0.393 + $index["green"] * 0.769 + $index["blue"] * 0.189) / 1.351;
				$green = ($index["red"] * 0.349 + $index["green"] * 0.686 + $index["blue"] * 0.168) / 1.203;
				$blue = ($index["red"] * 0.272 + $index["green"] * 0.534 + $index["blue"] * 0.131) / 2.140;
				imagecolorset($this->imageResized, $i, $red, $green, $blue);
			}


		}
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Vintage
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function vintage()
		# Alias of gd_filter_monopin
	{
		$this->gd_filter_vintage();
	}

	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Presets By Marc Hibbins
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/


	/** Apply 'Monopin' preset */
	public function gd_filter_monopin()
	{

		if ($this->imageResized)
		{
			imagefilter($this->imageResized, IMG_FILTER_GRAYSCALE);
			imagefilter($this->imageResized, IMG_FILTER_BRIGHTNESS, -15);
			imagefilter($this->imageResized, IMG_FILTER_CONTRAST, -15);
			$this->imageResized = $this->gd_apply_overlay($this->imageResized, 'vignette', 100);
		}
	}

	## --------------------------------------------------------

	public function gd_filter_vintage()
	{
		if ($this->imageResized)
		{
			$this->imageResized = $this->gd_apply_overlay($this->imageResized, 'vignette', 45);
			imagefilter($this->imageResized, IMG_FILTER_BRIGHTNESS, 20);
			imagefilter($this->imageResized, IMG_FILTER_CONTRAST, -35);
			imagefilter($this->imageResized, IMG_FILTER_COLORIZE, 60, -10, 35);
			imagefilter($this->imageResized, IMG_FILTER_SMOOTH, 7);
			$this->imageResized = $this->gd_apply_overlay($this->imageResized, 'scratch', 10);
		}
	}

	## --------------------------------------------------------

	/** Apply a PNG overlay */
	private function gd_apply_overlay($im, $type, $amount)
		#
		# Original Author:    Marc Hibbins
		# License:  Attribution-ShareAlike 3.0
		# Purpose:
		# Params in:
		# Params out:
		# Notes:
		#
	{
		$width = imagesx($im);
		$height = imagesy($im);
		$filter = imagecreatetruecolor($width, $height);

		imagealphablending($filter, false);
		imagesavealpha($filter, true);

		$transparent = imagecolorallocatealpha($filter, 255, 255, 255, 127);
		imagefilledrectangle($filter, 0, 0, $width, $height, $transparent);

		// *** Resize overlay
		$overlay = $this->filterOverlayPath . '/' . $type . '.png';
		$png = imagecreatefrompng($overlay);
		imagecopyresampled($filter, $png, 0, 0, 0, 0, $width, $height, imagesx($png), imagesy($png));

		$comp = imagecreatetruecolor($width, $height);
		imagecopy($comp, $im, 0, 0, 0, 0, $width, $height);
		imagecopy($comp, $filter, 0, 0, 0, 0, $width, $height);
		imagecopymerge($im, $comp, 0, 0, 0, 0, $width, $height, $amount);

		imagedestroy($comp);

		return $im;
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Colorise
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function image_colorize($rgb)
	{
		imageTrueColorToPalette($this->imageResized, true, 256);
		$numColors = imageColorsTotal($this->imageResized);

		for ($x = 0; $x < $numColors; $x++)
		{
			list($r, $g, $b) = array_values(imageColorsForIndex($this->imageResized, $x));

			// calculate grayscale in percent
			$grayscale = ($r + $g + $b) / 3 / 0xff;

			imageColorSet($this->imageResized, $x,
				$grayscale * $rgb[0],
				$grayscale * $rgb[1],
				$grayscale * $rgb[2]
			);

		}

		return true;
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Reflection
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function addReflection($reflectionHeight = 50, $startingTransparency = 30, $inside = false, $bgColor = '#fff', $stretch = false, $divider = 0)
	{

		// *** Convert color
		$rgbArray = $this->formatColor($bgColor);
		$r = $rgbArray['r'];
		$g = $rgbArray['g'];
		$b = $rgbArray['b'];

		$im = $this->imageResized;
		$li = imagecreatetruecolor($this->width, 1);

		$bgc = imagecolorallocate($li, $r, $g, $b);
		imagefilledrectangle($li, 0, 0, $this->width, 1, $bgc);

		$bg = imagecreatetruecolor($this->width, $reflectionHeight);
		$wh = imagecolorallocate($im, 255, 255, 255);

		$im = imagerotate($im, -180, $wh);
		imagecopyresampled($bg, $im, 0, 0, 0, 0, $this->width, $this->height, $this->width, $this->height);

		$im = $bg;

		$bg = imagecreatetruecolor($this->width, $reflectionHeight);

		for ($x = 0; $x < $this->width; $x++)
		{
			imagecopy($bg, $im, $x, 0, $this->width - $x - 1, 0, 1, $reflectionHeight);
		}
		$im = $bg;

		$transaprencyAmount = $this->invertTransparency($startingTransparency, 100);


		// *** Fade
		if ($stretch)
		{
			$step = 100 / ($reflectionHeight + $startingTransparency);
		}
		else
		{
			$step = 100 / $reflectionHeight;
		}
		for ($i = 0; $i <= $reflectionHeight; $i++)
		{

			if ($startingTransparency > 100)
			{
				$startingTransparency = 100;
			}
			if ($startingTransparency < 1)
			{
				$startingTransparency = 1;
			}
			imagecopymerge($bg, $li, 0, $i, 0, 0, $this->width, 1, $startingTransparency);
			$startingTransparency += $step;
		}

		// *** Apply fade
		imagecopymerge($im, $li, 0, 0, 0, 0, $this->width, $divider, 100); // Divider


		// *** width, height of reflection.
		$x = imagesx($im);
		$y = imagesy($im);


		// *** Determines if the reflection should be displayed inside or outside the image
		if ($inside)
		{

			// Create new blank image with sizes.
			$final = imagecreatetruecolor($this->width, $this->height);

			imagecopymerge($final, $this->imageResized, 0, 0, 0, $reflectionHeight, $this->width, $this->height - $reflectionHeight, 100);
			imagecopymerge($final, $im, 0, $this->height - $reflectionHeight, 0, 0, $x, $y, 100);

		}
		else
		{

			// Create new blank image with sizes.
			$final = imagecreatetruecolor($this->width, $this->height + $y);

			imagecopymerge($final, $this->imageResized, 0, 0, 0, 0, $this->width, $this->height, 100);
			imagecopymerge($final, $im, 0, $this->height, 0, 0, $x, $y, 100);
		}

		$this->imageResized = $final;

		imagedestroy($li);
		imagedestroy($im);
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Rotate
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function rotate($value = 90, $bgColor = 'transparent')
		# Author:     Jarrod Oberto
		# Date:       07-05-2011
		# Purpose:    Rotate image
		# Param in:   (mixed) $degrees: (int) number of degress to rotate image
		#               (str) param "left": rotate left
		#               (str) param "right": rotate right
		#               (str) param "upside": upside-down image
		# Param out:
		# Reference:
		# Notes:    The default direction of imageRotate() is counter clockwise.
		#
	{
		if ($this->imageResized)
		{

			if (is_integer($value))
			{
				$degrees = $value;
			}

			// *** Convert color
			$rgbArray = $this->formatColor($bgColor);
			$r = $rgbArray['r'];
			$g = $rgbArray['g'];
			$b = $rgbArray['b'];
			if (isset($rgbArray['a']))
			{
				$a = $rgbArray['a'];
			}

			if (is_string($value))
			{

				$value = fix_strtolower($value);

				switch ($value)
				{
					case 'left':
						$degrees = 90;
						break;
					case 'right':
						$degrees = 270;
						break;
					case 'upside':
						$degrees = 180;
						break;
					default:
						break;
				}

			}

			// *** The default direction of imageRotate() is counter clockwise
			//   * This makes it clockwise
			$degrees = 360 - $degrees;

			// *** Create background color
			$bg = ImageColorAllocateAlpha($this->imageResized, $r, $g, $b, $a);

			// *** Fill with background
			ImageFill($this->imageResized, 0, 0, $bg);

			// *** Rotate
			$this->imageResized = imagerotate($this->imageResized, $degrees, $bg); // Rotate 45 degrees and allocated the transparent colour as the one to make transparent (obviously)

			// Ensure alpha transparency
			ImageSaveAlpha($this->imageResized, true);

		}
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Round corners
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function roundCorners($radius = 5, $bgColor = 'transparent')
		# Author:     Jarrod Oberto
		# Date:       19-05-2011
		# Purpose:    Create rounded corners on your image
		# Param in:   (int) radius = the amount of curvature
		#       (mixed) $bgColor = the corner background color
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{

		// *** Check if the user wants transparency
		$isTransparent = false;
		if ( ! is_array($bgColor))
		{
			if (fix_strtolower($bgColor) == 'transparent')
			{
				$isTransparent = true;
			}
		}


		// *** If we use transparency, we need to color our curved mask with a unique color
		if ($isTransparent)
		{
			$bgColor = $this->findUnusedGreen();
		}

		// *** Convert color
		$rgbArray = $this->formatColor($bgColor);
		$r = $rgbArray['r'];
		$g = $rgbArray['g'];
		$b = $rgbArray['b'];
		if (isset($rgbArray['a']))
		{
			$a = $rgbArray['a'];
		}


		// *** Create top-left corner mask (square)
		$cornerImg = imagecreatetruecolor($radius, $radius);
		//$cornerImg = imagecreate($radius, $radius);

		//imagealphablending($cornerImg, true);
		//imagesavealpha($cornerImg, true);

		//imagealphablending($this->imageResized, false);
		//imagesavealpha($this->imageResized, true);

		// *** Give it a color
		$maskColor = imagecolorallocate($cornerImg, 0, 0, 0);


		// *** Replace the mask color (black) to transparent
		imagecolortransparent($cornerImg, $maskColor);


		// *** Create the image background color
		$imagebgColor = imagecolorallocate($cornerImg, $r, $g, $b);


		// *** Fill the corner area to the user defined color
		imagefill($cornerImg, 0, 0, $imagebgColor);


		imagefilledellipse($cornerImg, $radius, $radius, $radius * 2, $radius * 2, $maskColor);


		// *** Map to top left corner
		imagecopymerge($this->imageResized, $cornerImg, 0, 0, 0, 0, $radius, $radius, 100); #tl

		// *** Map rounded corner to other corners by rotating and applying the mask
		$cornerImg = imagerotate($cornerImg, 90, 0);
		imagecopymerge($this->imageResized, $cornerImg, 0, $this->height - $radius, 0, 0, $radius, $radius, 100); #bl

		$cornerImg = imagerotate($cornerImg, 90, 0);
		imagecopymerge($this->imageResized, $cornerImg, $this->width - $radius, $this->height - $radius, 0, 0, $radius, $radius, 100); #br

		$cornerImg = imagerotate($cornerImg, 90, 0);
		imagecopymerge($this->imageResized, $cornerImg, $this->width - $radius, 0, 0, 0, $radius, $radius, 100); #tr


		// *** If corners are to be transparent, we fill our chromakey color as transparent.
		if ($isTransparent)
		{
			//imagecolortransparent($this->imageResized, $imagebgColor);
			$this->imageResized = $this->transparentImage($this->imageResized);
			imagesavealpha($this->imageResized, true);
		}

	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Shadow
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function addShadow($shadowAngle = 45, $blur = 15, $bgColor = 'transparent')
		#
		# Author:   Jarrod Oberto (Adapted from Pascal Naidon)
		# Ref:    http://www.les-stooges.org/pascal/webdesign/vignettes/index.php?la=en
		# Purpose:  Add a drop shadow to your image
		# Params in:  (int) $angle: the angle of the shadow
		#       (int) $blur: the blur distance
		#       (mixed) $bgColor: the color of the background
		# Params out:
		# Notes:
		#
	{
		// *** A higher number results in a smoother shadow
		define('STEPS', $blur * 2);

		// *** Set the shadow distance
		$shadowDistance = $blur * 0.25;

		// *** Set blur width and height
		$blurWidth = $blurHeight = $blur;


		if ($shadowAngle == 0)
		{
			$distWidth = 0;
			$distHeight = 0;
		}
		else
		{
			$distWidth = $shadowDistance * cos(deg2rad($shadowAngle));
			$distHeight = $shadowDistance * sin(deg2rad($shadowAngle));
		}


		// *** Convert color
		if (fix_strtolower($bgColor) != 'transparent')
		{
			$rgbArray = $this->formatColor($bgColor);
			$r0 = $rgbArray['r'];
			$g0 = $rgbArray['g'];
			$b0 = $rgbArray['b'];
		}


		$image = $this->imageResized;
		$width = $this->width;
		$height = $this->height;


		$newImage = imagecreatetruecolor($width, $height);
		imagecopyresampled($newImage, $image, 0, 0, 0, 0, $width, $height, $width, $height);


		// *** RGB
		$rgb = imagecreatetruecolor($width + $blurWidth, $height + $blurHeight);
		$colour = imagecolorallocate($rgb, 0, 0, 0);
		imagefilledrectangle($rgb, 0, 0, $width + $blurWidth, $height + $blurHeight, $colour);
		$colour = imagecolorallocate($rgb, 255, 255, 255);
		//imagefilledrectangle($rgb, $blurWidth*0.5-$distWidth, $blurHeight*0.5-$distHeight, $width+$blurWidth*0.5-$distWidth, $height+$blurWidth*0.5-$distHeight, $colour);
		imagefilledrectangle($rgb, $blurWidth * 0.5 - $distWidth, $blurHeight * 0.5 - $distHeight, $width + $blurWidth * 0.5 - $distWidth, $height + $blurWidth * 0.5 - $distHeight, $colour);
		//imagecopymerge($rgb, $newImage, 1+$blurWidth*0.5-$distWidth, 1+$blurHeight*0.5-$distHeight, 0,0, $width, $height, 100);
		imagecopymerge($rgb, $newImage, $blurWidth * 0.5 - $distWidth, $blurHeight * 0.5 - $distHeight, 0, 0, $width + $blurWidth, $height + $blurHeight, 100);


		// *** Shadow (alpha)
		$shadow = imagecreatetruecolor($width + $blurWidth, $height + $blurHeight);
		imagealphablending($shadow, false);
		$colour = imagecolorallocate($shadow, 0, 0, 0);
		imagefilledrectangle($shadow, 0, 0, $width + $blurWidth, $height + $blurHeight, $colour);


		for ($i = 0; $i <= STEPS; $i++)
		{

			$t = ((1.0 * $i) / STEPS);
			$intensity = 255 * $t * $t;

			$colour = imagecolorallocate($shadow, $intensity, $intensity, $intensity);
			$points = array(
				$blurWidth * $t, $blurHeight,     // Point 1 (x, y)
				$blurWidth, $blurHeight * $t,  // Point 2 (x, y)
				$width, $blurHeight * $t,  // Point 3 (x, y)
				$width + $blurWidth * (1 - $t), $blurHeight,     // Point 4 (x, y)
				$width + $blurWidth * (1 - $t), $height,     // Point 5 (x, y)
				$width, $height + $blurHeight * (1 - $t),  // Point 6 (x, y)
				$blurWidth, $height + $blurHeight * (1 - $t),  // Point 7 (x, y)
				$blurWidth * $t, $height      // Point 8 (x, y)
			);
			imagepolygon($shadow, $points, 8, $colour);
		}

		for ($i = 0; $i <= STEPS; $i++)
		{

			$t = ((1.0 * $i) / STEPS);
			$intensity = 255 * $t * $t;

			$colour = imagecolorallocate($shadow, $intensity, $intensity, $intensity);
			imagefilledarc($shadow, $blurWidth - 1, $blurHeight - 1, 2 * (1 - $t) * $blurWidth, 2 * (1 - $t) * $blurHeight, 180, 268, $colour, IMG_ARC_PIE);
			imagefilledarc($shadow, $width, $blurHeight - 1, 2 * (1 - $t) * $blurWidth, 2 * (1 - $t) * $blurHeight, 270, 358, $colour, IMG_ARC_PIE);
			imagefilledarc($shadow, $width, $height, 2 * (1 - $t) * $blurWidth, 2 * (1 - $t) * $blurHeight, 0, 90, $colour, IMG_ARC_PIE);
			imagefilledarc($shadow, $blurWidth - 1, $height, 2 * (1 - $t) * $blurWidth, 2 * (1 - $t) * $blurHeight, 90, 180, $colour, IMG_ARC_PIE);
		}


		$colour = imagecolorallocate($shadow, 255, 255, 255);
		imagefilledrectangle($shadow, $blurWidth, $blurHeight, $width, $height, $colour);
		imagefilledrectangle($shadow, $blurWidth * 0.5 - $distWidth, $blurHeight * 0.5 - $distHeight, $width + $blurWidth * 0.5 - 1 - $distWidth, $height + $blurHeight * 0.5 - 1 - $distHeight, $colour);


		// *** The magic
		imagealphablending($rgb, false);

		for ($theX = 0; $theX < imagesx($rgb); $theX++)
		{
			for ($theY = 0; $theY < imagesy($rgb); $theY++)
			{

				// *** Get the RGB values for every pixel of the RGB image
				$colArray = imagecolorat($rgb, $theX, $theY);
				$r = ($colArray >> 16) & 0xFF;
				$g = ($colArray >> 8) & 0xFF;
				$b = $colArray & 0xFF;

				// *** Get the alpha value for every pixel of the shadow image
				$colArray = imagecolorat($shadow, $theX, $theY);
				$a = $colArray & 0xFF;
				$a = 127 - floor($a / 2);
				$t = $a / 128.0;

				// *** Create color
				if (fix_strtolower($bgColor) == 'transparent')
				{
					$myColour = imagecolorallocatealpha($rgb, $r, $g, $b, $a);
				}
				else
				{
					$myColour = imagecolorallocate($rgb, $r * (1.0 - $t) + $r0 * $t, $g * (1.0 - $t) + $g0 * $t, $b * (1.0 - $t) + $b0 * $t);
				}

				// *** Add color to new rgb image
				imagesetpixel($rgb, $theX, $theY, $myColour);
			}
		}

		imagealphablending($rgb, true);
		imagesavealpha($rgb, true);

		$this->imageResized = $rgb;

		imagedestroy($image);
		imagedestroy($newImage);
		imagedestroy($shadow);
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Add Caption Box
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function addCaptionBox($side = 'b', $thickness = 50, $padding = 0, $bgColor = '#000', $transaprencyAmount = 30)
		#
		# Author:   Jarrod Oberto
		# Date:   26 May 2011
		# Purpose:  Add a caption box
		# Params in:  (str) $side: the side to add the caption box (t, r, b, or l).
		#       (int) $thickness: how thick you want the caption box to be.
		#       (mixed) $bgColor: The color of the caption box.
		#       (int) $transaprencyAmount: The amount of transparency to be
		#       applied.
		# Params out: n/a
		# Notes:
		#
	{
		$side = fix_strtolower($side);

		// *** Convert color
		$rgbArray = $this->formatColor($bgColor);
		$r = $rgbArray['r'];
		$g = $rgbArray['g'];
		$b = $rgbArray['b'];

		$positionArray = $this->calculateCaptionBoxPosition($side, $thickness, $padding);

		// *** Store incase we want to use method addTextToCaptionBox()
		$this->captionBoxPositionArray = $positionArray;


		$transaprencyAmount = $this->invertTransparency($transaprencyAmount, 127, false);
		$transparent = imagecolorallocatealpha($this->imageResized, $r, $g, $b, $transaprencyAmount);
		imagefilledrectangle($this->imageResized, $positionArray['x1'], $positionArray['y1'], $positionArray['x2'], $positionArray['y2'], $transparent);
	}

	## --------------------------------------------------------

	public function addTextToCaptionBox($text, $fontColor = '#fff', $fontSize = 12, $angle = 0, $font = null)
		#
		# Author:   Jarrod Oberto
		# Date:   03 Aug 11
		# Purpose:  Simplify adding text to a caption box by automatically
		#       locating the center of the caption box
		# Params in:  The usually text paams (less a couple)
		# Params out: n/a
		# Notes:
		#
	{

		// *** Get the caption box measurements
		if (count($this->captionBoxPositionArray) == 4)
		{
			$x1 = $this->captionBoxPositionArray['x1'];
			$x2 = $this->captionBoxPositionArray['x2'];
			$y1 = $this->captionBoxPositionArray['y1'];
			$y2 = $this->captionBoxPositionArray['y2'];
		}
		else
		{
			if ($this->debug)
			{
				throw new Exception('No caption box found.');
			}
			else
			{
				return false;
			}
		}


		// *** Get text font
		$font = $this->getTextFont($font);

		// *** Get text size
		$textSizeArray = $this->getTextSize($fontSize, $angle, $font, $text);
		$textWidth = $textSizeArray['width'];
		$textHeight = $textSizeArray['height'];

		// *** Find the width/height middle points
		$boxXMiddle = (($x2 - $x1) / 2);
		$boxYMiddle = (($y2 - $y1) / 2);

		// *** Box middle - half the text width/height
		$xPos = ($x1 + $boxXMiddle) - ($textWidth / 2);
		$yPos = ($y1 + $boxYMiddle) - ($textHeight / 2);

		$pos = $xPos . 'x' . $yPos;

		$this->addText($text, $pos, $padding = 0, $fontColor, $fontSize, $angle, $font);

	}

	## --------------------------------------------------------

	private function calculateCaptionBoxPosition($side, $thickness, $padding)
	{
		$positionArray = array();

		switch ($side)
		{
			case 't':
				$positionArray['x1'] = 0;
				$positionArray['y1'] = $padding;
				$positionArray['x2'] = $this->width;
				$positionArray['y2'] = $thickness + $padding;
				break;
			case 'r':
				$positionArray['x1'] = $this->width - $thickness - $padding;
				$positionArray['y1'] = 0;
				$positionArray['x2'] = $this->width - $padding;
				$positionArray['y2'] = $this->height;
				break;
			case 'b':
				$positionArray['x1'] = 0;
				$positionArray['y1'] = $this->height - $thickness - $padding;
				$positionArray['x2'] = $this->width;
				$positionArray['y2'] = $this->height - $padding;
				break;
			case 'l':
				$positionArray['x1'] = $padding;
				$positionArray['y1'] = 0;
				$positionArray['x2'] = $thickness + $padding;
				$positionArray['y2'] = $this->height;
				break;

			default:
				break;
		}

		return $positionArray;

	}

	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Get EXIF Data
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function getExif($debug = false)
		# Author:     Jarrod Oberto
		# Date:       07-05-2011
		# Purpose:    Get image EXIF data
		# Param in:   n/a
		# Param out:  An associate array of EXIF data
		# Reference:
		# Notes:
		# 23 May 13 : added orientation flag -jco
		#
	{

		if ( ! $this->debug || ! $debug)
		{
			$debug = false;
		}

		// *** Check all is good - check the EXIF library exists and the file exists, too.
		if ( ! $this->testEXIFInstalled())
		{
			if ($debug)
			{
				throw new Exception('The EXIF Library is not installed.');
			}
			else
			{
				return array();
			}
		};
		if ( ! file_exists($this->fileName))
		{
			if ($debug)
			{
				throw new Exception('Image not found.');
			}
			else
			{
				return array();
			}
		};
		if ($this->fileExtension != '.jpg')
		{
			if ($debug)
			{
				throw new Exception('Metadata not supported for this image type.');
			}
			else
			{
				return array();
			}
		};
		$exifData = exif_read_data($this->fileName, 'IFD0');

		// *** Format the apperture value
		$ev = $exifData['ApertureValue'];
		$apPeicesArray = explode('/', $ev);
		if (count($apPeicesArray) == 2)
		{
			$apertureValue = round($apPeicesArray[0] / $apPeicesArray[1], 2, PHP_ROUND_HALF_DOWN) . ' EV';
		}
		else
		{
			$apertureValue = '';
		}

		// *** Format the focal length
		$focalLength = $exifData['FocalLength'];
		$flPeicesArray = explode('/', $focalLength);
		if (count($flPeicesArray) == 2)
		{
			$focalLength = $flPeicesArray[0] / $flPeicesArray[1] . '.0 mm';
		}
		else
		{
			$focalLength = '';
		}

		// *** Format fNumber
		$fNumber = $exifData['FNumber'];
		$fnPeicesArray = explode('/', $fNumber);
		if (count($fnPeicesArray) == 2)
		{
			$fNumber = $fnPeicesArray[0] / $fnPeicesArray[1];
		}
		else
		{
			$fNumber = '';
		}

		// *** Resolve ExposureProgram
		if (isset($exifData['ExposureProgram']))
		{
			$ep = $exifData['ExposureProgram'];
		}
		if (isset($ep))
		{
			$ep = $this->resolveExposureProgram($ep);
		}


		// *** Resolve MeteringMode
		$mm = $exifData['MeteringMode'];
		$mm = $this->resolveMeteringMode($mm);

		// *** Resolve Flash
		$flash = $exifData['Flash'];
		$flash = $this->resolveFlash($flash);


		if (isset($exifData['Make']))
		{
			$exifDataArray['make'] = $exifData['Make'];
		}
		else
		{
			$exifDataArray['make'] = '';
		}

		if (isset($exifData['Model']))
		{
			$exifDataArray['model'] = $exifData['Model'];
		}
		else
		{
			$exifDataArray['model'] = '';
		}

		if (isset($exifData['DateTime']))
		{
			$exifDataArray['date'] = $exifData['DateTime'];
		}
		else
		{
			$exifDataArray['date'] = '';
		}

		if (isset($exifData['ExposureTime']))
		{
			$exifDataArray['exposure time'] = $exifData['ExposureTime'] . ' sec.';
		}
		else
		{
			$exifDataArray['exposure time'] = '';
		}

		if ($apertureValue != '')
		{
			$exifDataArray['aperture value'] = $apertureValue;
		}
		else
		{
			$exifDataArray['aperture value'] = '';
		}

		if (isset($exifData['COMPUTED']['ApertureFNumber']))
		{
			$exifDataArray['f-stop'] = $exifData['COMPUTED']['ApertureFNumber'];
		}
		else
		{
			$exifDataArray['f-stop'] = '';
		}

		if (isset($exifData['FNumber']))
		{
			$exifDataArray['fnumber'] = $exifData['FNumber'];
		}
		else
		{
			$exifDataArray['fnumber'] = '';
		}

		if ($fNumber != '')
		{
			$exifDataArray['fnumber value'] = $fNumber;
		}
		else
		{
			$exifDataArray['fnumber value'] = '';
		}

		if (isset($exifData['ISOSpeedRatings']))
		{
			$exifDataArray['iso'] = $exifData['ISOSpeedRatings'];
		}
		else
		{
			$exifDataArray['iso'] = '';
		}

		if ($focalLength != '')
		{
			$exifDataArray['focal length'] = $focalLength;
		}
		else
		{
			$exifDataArray['focal length'] = '';
		}

		if (isset($ep))
		{
			$exifDataArray['exposure program'] = $ep;
		}
		else
		{
			$exifDataArray['exposure program'] = '';
		}

		if ($mm != '')
		{
			$exifDataArray['metering mode'] = $mm;
		}
		else
		{
			$exifDataArray['metering mode'] = '';
		}

		if ($flash != '')
		{
			$exifDataArray['flash status'] = $flash;
		}
		else
		{
			$exifDataArray['flash status'] = '';
		}

		if (isset($exifData['Artist']))
		{
			$exifDataArray['creator'] = $exifData['Artist'];
		}
		else
		{
			$exifDataArray['creator'] = '';
		}

		if (isset($exifData['Copyright']))
		{
			$exifDataArray['copyright'] = $exifData['Copyright'];
		}
		else
		{
			$exifDataArray['copyright'] = '';
		}

		// *** Orientation
		if (isset($exifData['Orientation']))
		{
			$exifDataArray['orientation'] = $exifData['Orientation'];
		}
		else
		{
			$exifDataArray['orientation'] = '';
		}

		return $exifDataArray;
	}

	## --------------------------------------------------------

	private function resolveExposureProgram($ep)
	{
		switch ($ep)
		{
			case 0:
				$ep = '';
				break;
			case 1:
				$ep = 'manual';
				break;
			case 2:
				$ep = 'normal program';
				break;
			case 3:
				$ep = 'aperture priority';
				break;
			case 4:
				$ep = 'shutter priority';
				break;
			case 5:
				$ep = 'creative program';
				break;
			case 6:
				$ep = 'action program';
				break;
			case 7:
				$ep = 'portrait mode';
				break;
			case 8:
				$ep = 'landscape mode';
				break;

			default:
				break;
		}

		return $ep;
	}

	## --------------------------------------------------------

	private function resolveMeteringMode($mm)
	{
		switch ($mm)
		{
			case 0:
				$mm = 'unknown';
				break;
			case 1:
				$mm = 'average';
				break;
			case 2:
				$mm = 'center weighted average';
				break;
			case 3:
				$mm = 'spot';
				break;
			case 4:
				$mm = 'multi spot';
				break;
			case 5:
				$mm = 'pattern';
				break;
			case 6:
				$mm = 'partial';
				break;
			case 255:
				$mm = 'other';
				break;

			default:
				break;
		}

		return $mm;
	}

	## --------------------------------------------------------

	private function resolveFlash($flash)
	{
		switch ($flash)
		{
			case 0:
				$flash = 'flash did not fire';
				break;
			case 1:
				$flash = 'flash fired';
				break;
			case 5:
				$flash = 'strobe return light not detected';
				break;
			case 7:
				$flash = 'strobe return light detected';
				break;
			case 9:
				$flash = 'flash fired, compulsory flash mode';
				break;
			case 13:
				$flash = 'flash fired, compulsory flash mode, return light not detected';
				break;
			case 15:
				$flash = 'flash fired, compulsory flash mode, return light detected';
				break;
			case 16:
				$flash = 'flash did not fire, compulsory flash mode';
				break;
			case 24:
				$flash = 'flash did not fire, auto mode';
				break;
			case 25:
				$flash = 'flash fired, auto mode';
				break;
			case 29:
				$flash = 'flash fired, auto mode, return light not detected';
				break;
			case 31:
				$flash = 'flash fired, auto mode, return light detected';
				break;
			case 32:
				$flash = 'no flash function';
				break;
			case 65:
				$flash = 'flash fired, red-eye reduction mode';
				break;
			case 69:
				$flash = 'flash fired, red-eye reduction mode, return light not detected';
				break;
			case 71:
				$flash = 'flash fired, red-eye reduction mode, return light detected';
				break;
			case 73:
				$flash = 'flash fired, compulsory flash mode, red-eye reduction mode';
				break;
			case 77:
				$flash = 'flash fired, compulsory flash mode, red-eye reduction mode, return light not detected';
				break;
			case 79:
				$flash = 'flash fired, compulsory flash mode, red-eye reduction mode, return light detected';
				break;
			case 89:
				$flash = 'flash fired, auto mode, red-eye reduction mode';
				break;
			case 93:
				$flash = 'flash fired, auto mode, return light not detected, red-eye reduction mode';
				break;
			case 95:
				$flash = 'flash fired, auto mode, return light detected, red-eye reduction mode';
				break;

			default:
				break;
		}

		return $flash;

	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Get IPTC Data
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Write IPTC Data
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function writeIPTCcaption($value)
		# Caption
	{
		$this->writeIPTC(120, $value);
	}

	## --------------------------------------------------------

	public function writeIPTCwriter($value)
	{
		//$this->writeIPTC(65, $value);
	}

	## --------------------------------------------------------

	private function writeIPTC($dat, $value)
	{

		# LIMIT TO JPG

		$caption_block = $this->iptc_maketag(2, $dat, $value);
		$image_string = iptcembed($caption_block, $this->fileName);
		file_put_contents('iptc.jpg', $image_string);
	}

## --------------------------------------------------------

	private function iptc_maketag($rec, $dat, $val)
		# Author:   Thies C. Arntzen
		# Purpose:    Function to format the new IPTC text
		# Param in:   $rec: Application record. (We’re working with #2)
		#       $dat: Index. (120 for caption, 118 for contact. See the IPTC IIM
		#         specification:
		#         http://www.iptc.org/std/IIM/4.1/specification/IIMV4.1.pdf
		#       $val: Value/data/text. Make sure this is within the length
		#         constraints of the IPTC IIM specification
		# Ref:      http://blog.peterhaza.no/working-with-image-meta-data-in-exif-and-iptc-headers-from-php/
		#       http://php.net/manual/en/function.iptcembed.php
		#
	{
		$len = strlen($val);
		if ($len < 0x8000)
		{
			return chr(0x1c) . chr($rec) . chr($dat) .
			chr($len >> 8) .
			chr($len & 0xff) .
			$val;
		}
		else
		{
			return chr(0x1c) . chr($rec) . chr($dat) .
			chr(0x80) . chr(0x04) .
			chr(($len >> 24) & 0xff) .
			chr(($len >> 16) & 0xff) .
			chr(($len >> 8) & 0xff) .
			chr(($len) & 0xff) .
			$val;
		}
	}



	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Write XMP Data
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	//http://xmpphptoolkit.sourceforge.net/


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Add Text
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function addText($text, $pos = '20x20', $padding = 0, $fontColor = '#fff', $fontSize = 12, $angle = 0, $font = null)
		# Author:     Jarrod Oberto
		# Date:       18-11-09
		# Purpose:    Add text to an image
		# Param in:
		# Param out:
		# Reference:  http://php.net/manual/en/function.imagettftext.php
		# Notes:      Make sure you supply the font.
		#
	{

		// *** Convert color
		$rgbArray = $this->formatColor($fontColor);
		$r = $rgbArray['r'];
		$g = $rgbArray['g'];
		$b = $rgbArray['b'];

		// *** Get text font
		$font = $this->getTextFont($font);

		// *** Get text size
		$textSizeArray = $this->getTextSize($fontSize, $angle, $font, $text);
		$textWidth = $textSizeArray['width'];
		$textHeight = $textSizeArray['height'];

		// *** Find co-ords to place text
		$posArray = $this->calculatePosition($pos, $padding, $textWidth, $textHeight, false);
		$x = $posArray['width'];
		$y = $posArray['height'];

		$fontColor = imagecolorallocate($this->imageResized, $r, $g, $b);

		// *** Add text
		imagettftext($this->imageResized, $fontSize, $angle, $x, $y, $fontColor, $font, $text);
	}

	## --------------------------------------------------------

	private function getTextFont($font)
	{
		// *** Font path (shou
		$fontPath = dirname(__FILE__) . '/' . $this->fontDir;


		// *** The below is/may be needed depending on your version (see ref)
		putenv('GDFONTPATH=' . realpath('.'));

		// *** Check if the passed in font exsits...
		if ($font == null || ! file_exists($font))
		{

			// *** ...If not, default to this font.
			$font = $fontPath . '/arimo.ttf';

			// *** Check our default font exists...
			if ( ! file_exists($font))
			{

				// *** If not, return false
				if ($this->debug)
				{
					throw new Exception('Font not found');
				}
				else
				{
					return false;
				}
			}
		}

		return $font;

	}

	## --------------------------------------------------------

	private function getTextSize($fontSize, $angle, $font, $text)
	{

		// *** Define box (so we can get the width)
		$box = @imageTTFBbox($fontSize, $angle, $font, $text);

		// ***  Get width of text from dimensions
		$textWidth = abs($box[4] - $box[0]);

		// ***  Get height of text from dimensions (should also be same as $fontSize)
		$textHeight = abs($box[5] - $box[1]);

		return array( 'height' => $textHeight, 'width' => $textWidth );
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  Add Watermark
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	public function addWatermark($watermarkImage, $pos, $padding = 0, $opacity = 0)
		# Author:     Jarrod Oberto
		# Date:       18-11-09
		# Purpose:    Add watermark image
		# Param in:   (str) $watermark: The watermark image
		#       (str) $pos: Could be a pre-determined position such as:
		#           tl = top left,
		#           t  = top (middle),
		#           tr = top right,
		#           l  = left,
		#           m  = middle,
		#           r  = right,
		#           bl = bottom left,
		#           b  = bottom (middle),
		#           br = bottom right
		#         Or, it could be a co-ordinate position such as: 50x100
		#
		#       (int) $padding: If using a pre-determined position you can
		#         adjust the padding from the edges by passing an amount
		#         in pixels. If using co-ordinates, this value is ignored.
		# Param out:
		# Reference:  http://www.php.net/manual/en/image.examples-watermark.php
		# Notes:      Based on example in reference.
		#
		#
	{

		// Load the stamp and the photo to apply the watermark to
		$stamp = $this->openImage($watermarkImage);    # stamp
		$im = $this->imageResized;            # photo

		// *** Get stamps width and height
		$sx = imagesx($stamp);
		$sy = imagesy($stamp);

		// *** Find co-ords to place image
		$posArray = $this->calculatePosition($pos, $padding, $sx, $sy);
		$x = $posArray['width'];
		$y = $posArray['height'];

		// *** Set watermark opacity
		if (fix_strtolower(strrchr($watermarkImage, '.')) == '.png')
		{

			$opacity = $this->invertTransparency($opacity, 100);
			$this->filterOpacity($stamp, $opacity);
		}

		// Copy the watermark image onto our photo
		imagecopy($im, $stamp, $x, $y, 0, 0, imagesx($stamp), imagesy($stamp));

	}

	## --------------------------------------------------------

	private function calculatePosition($pos, $padding, $assetWidth, $assetHeight, $upperLeft = true)
		#
		# Author:   Jarrod Oberto
		# Date:   08-05-11
		# Purpose:  Calculate the x, y pixel cordinates of the asset to place
		# Params in:  (str) $pos: Either something like: "tl", "l", "br" or an
		#         exact position like: "100x50"
		#       (int) $padding: The amount of padding from the edge. Only
		#         used for the predefined $pos.
		#       (int) $assetWidth: The width of the asset to add to the image
		#       (int) $assetHeight: The height of the asset to add to the image
		#       (bol) $upperLeft: if true, the asset will be positioned based
		#         on the upper left x, y coords. If false, it means you're
		#         using the lower left as the basepoint and this will
		#         convert it to the upper left position
		# Params out:
		# NOTE: this is done from the UPPER left corner!! But will convert lower
		#   left basepoints to upper left if $upperleft is set to false
		#
		#
	{
		$pos = fix_strtolower($pos);

		// *** If co-ords have been entered
		if (strstr($pos, 'x'))
		{
			$pos = str_replace(' ', '', $pos);

			$xyArray = explode('x', $pos);
			list($width, $height) = $xyArray;

		}
		else
		{

			switch ($pos)
			{
				case 'tl':
					$width = 0 + $padding;
					$height = 0 + $padding;
					break;

				case 't':
					$width = ($this->width / 2) - ($assetWidth / 2);
					$height = 0 + $padding;
					break;

				case 'tr':
					$width = $this->width - $assetWidth - $padding;
					$height = 0 + $padding;;
					break;

				case 'l':
					$width = 0 + $padding;
					$height = ($this->height / 2) - ($assetHeight / 2);
					break;

				case 'm':
					$width = ($this->width / 2) - ($assetWidth / 2);
					$height = ($this->height / 2) - ($assetHeight / 2);
					break;

				case 'r':
					$width = $this->width - $assetWidth - $padding;
					$height = ($this->height / 2) - ($assetHeight / 2);
					break;

				case 'bl':
					$width = 0 + $padding;
					$height = $this->height - $assetHeight - $padding;
					break;

				case 'b':
					$width = ($this->width / 2) - ($assetWidth / 2);
					$height = $this->height - $assetHeight - $padding;
					break;

				case 'br':
					$width = $this->width - $assetWidth - $padding;
					$height = $this->height - $assetHeight - $padding;
					break;

				default:
					$width = 0;
					$height = 0;
					break;
			}
		}

		if ( ! $upperLeft)
		{
			$height = $height + $assetHeight;
		}

		return array( 'width' => $width, 'height' => $height );
	}


	## --------------------------------------------------------

	private function filterOpacity(&$img, $opacity = 75)
		#
		# Author:     aiden dot mail at freemail dot hu
		# Author date:  29-03-08 08:16
		# Date added:   08-05-11
		# Purpose:    Change opacity of image
		# Params in:    $img: Image resource id
		#         (int) $opacity: the opacity amount: 0-100, 100 being not opaque.
		# Params out:   (bool) true on success, else false
		# Ref:      http://www.php.net/manual/en/function.imagefilter.php#82162
		# Notes:      png only
		#
	{

		if ( ! isset($opacity))
		{
			return false;
		}

		if ($opacity == 100)
		{
			return true;
		}

		$opacity /= 100;

		//get image width and height
		$w = imagesx($img);
		$h = imagesy($img);

		//turn alpha blending off
		imagealphablending($img, false);

		//find the most opaque pixel in the image (the one with the smallest alpha value)
		$minalpha = 127;
		for ($x = 0; $x < $w; $x++)
		{
			for ($y = 0; $y < $h; $y++)
			{
				$alpha = (imagecolorat($img, $x, $y) >> 24) & 0xFF;
				if ($alpha < $minalpha)
				{
					$minalpha = $alpha;
				}
			}
		}

		//loop through image pixels and modify alpha for each
		for ($x = 0; $x < $w; $x++)
		{
			for ($y = 0; $y < $h; $y++)
			{
				//get current alpha value (represents the TANSPARENCY!)
				$colorxy = imagecolorat($img, $x, $y);
				$alpha = ($colorxy >> 24) & 0xFF;
				//calculate new alpha
				if ($minalpha !== 127)
				{
					$alpha = 127 + 127 * $opacity * ($alpha - 127) / (127 - $minalpha);
				}
				else
				{
					$alpha += 127 * $opacity;
				}
				//get the color index with new alpha
				$alphacolorxy = imagecolorallocatealpha($img, ($colorxy >> 16) & 0xFF, ($colorxy >> 8) & 0xFF, $colorxy & 0xFF, $alpha);
				//set pixel with the new color + opacity
				if ( ! imagesetpixel($img, $x, $y, $alphacolorxy))
				{

					return false;
				}
			}
		}

		return true;
	}

## --------------------------------------------------------

	private function openImage($file)
		# Author:     Jarrod Oberto
		# Date:       27-02-08
		# Purpose:
		# Param in:
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{

		if ( ! file_exists($file) && ! $this->checkStringStartsWith('http://', $file) && ! $this->checkStringStartsWith('https://', $file) )
		{
			if ($this->debug)
			{
				throw new Exception('Image not found.');
			}
			else
			{
				throw new Exception();
			}
		};

		// *** Get extension / image type
		$extension = mime_content_type($file);
		$extension = fix_strtolower($extension);
		$extension = str_replace('image/', '', $extension);
		switch ($extension)
		{
			case 'jpg':
			case 'jpeg':
				$img = @imagecreatefromjpeg($file);
				break;
			case 'gif':
				$img = @imagecreatefromgif($file);
				break;
			case 'png':
				$img = @imagecreatefrompng($file);
				break;
			case 'bmp':
				$img = @$this->imagecreatefrombmp($file);
				break;
			case 'psd':
			case 'vnd.adobe.photoshop':
				$img = @$this->imagecreatefrompsd($file);
				break;


			// ... etc

			default:
				$img = false;
				break;
		}

		return $img;
	}

## --------------------------------------------------------

	public function reset()
		#
		# Author:   Jarrod Oberto
		# Date:   30-08-11
		# Purpose:  Reset the resource (allow further editing)
		# Params in:
		# Params out:
		# Notes:
		#
	{
		$this->__construct($this->fileName);
	}

## --------------------------------------------------------

	public function saveImage($savePath, $imageQuality = "100")
		# Author:     Jarrod Oberto
		# Date:       27-02-08
		# Purpose:    Saves the image
		# Param in:   $savePath: Where to save the image including filename:
		#             $imageQuality: image quality you want the image saved at 0-100
		# Param out:  n/a
		# Reference:
		# Notes:    * gif doesn't have a quality parameter
		#       * jpg has a quality setting 0-100 (100 being the best)
		#       * png has a quality setting 0-9 (0 being the best)
		#
		#             * bmp files have no native support for bmp files. We use a
		#       third party class to save as bmp.
	{

		// *** Perform a check or two.
		if ( ! is_resource($this->imageResized))
		{
			if ($this->debug)
			{
				throw new Exception('saveImage: This is not a resource.');
			}
			else
			{
				throw new Exception();
			}
		}
		$fileInfoArray = pathInfo($savePath);
		clearstatcache();
		if ( ! is_writable($fileInfoArray['dirname']))
		{
			if ($this->debug)
			{
				throw new Exception('The path is not writable. Please check your permissions.');
			}
			else
			{
				throw new Exception();
			}
		}

		// *** Get extension
		$extension = strrchr($savePath, '.');
		$extension = fix_strtolower($extension);

		$error = '';

		switch ($extension)
		{
			case '.jpg':
			case '.jpeg':
				$this->checkInterlaceImage($this->isInterlace);
				if (imagetypes() & IMG_JPG)
				{
					imagejpeg($this->imageResized, $savePath, $imageQuality);
				}
				else
				{
					$error = 'jpg';
				}
				break;

			case '.gif':
				$this->checkInterlaceImage($this->isInterlace);
				if (imagetypes() & IMG_GIF)
				{
					imagegif($this->imageResized, $savePath);
				}
				else
				{
					$error = 'gif';
				}
				break;

			case '.png':
				// *** Scale quality from 0-100 to 0-9
				$scaleQuality = round(($imageQuality / 100) * 9);

				// *** Invert qualit setting as 0 is best, not 9
				$invertScaleQuality = 9 - $scaleQuality;

				$this->checkInterlaceImage($this->isInterlace);
				if (imagetypes() & IMG_PNG)
				{
					imagepng($this->imageResized, $savePath, $invertScaleQuality);
				}
				else
				{
					$error = 'png';
				}
				break;

			case '.bmp':
				file_put_contents($savePath, $this->GD2BMPstring($this->imageResized));
				break;


			// ... etc

			default:
				// *** No extension - No save.
				$this->errorArray[] = 'This file type (' . $extension . ') is not supported. File not saved.';
				break;
		}

		//imagedestroy($this->imageResized);

		// *** Display error if a file type is not supported.
		if ($error != '')
		{
			$this->errorArray[] = $error . ' support is NOT enabled. File not saved.';
		}
	}

## --------------------------------------------------------

	public function displayImage($fileType = 'jpg', $imageQuality = "100")
		# Author:     Jarrod Oberto
		# Date:       18-11-09
		# Purpose:    Display images directly to the browser
		# Param in:   The image type you want to display
		# Param out:
		# Reference:
		# Notes:
		#
	{

		if ( ! is_resource($this->imageResized))
		{
			if ($this->debug)
			{
				throw new Exception('saveImage: This is not a resource.');
			}
			else
			{
				throw new Exception();
			}
		}

		switch ($fileType)
		{
			case 'jpg':
			case 'jpeg':
				header('Content-type: image/jpeg');
				imagejpeg($this->imageResized, '', $imageQuality);
				break;
			case 'gif':
				header('Content-type: image/gif');
				imagegif($this->imageResized);
				break;
			case 'png':
				header('Content-type: image/png');

				// *** Scale quality from 0-100 to 0-9
				$scaleQuality = round(($imageQuality / 100) * 9);

				// *** Invert qualit setting as 0 is best, not 9
				$invertScaleQuality = 9 - $scaleQuality;

				imagepng($this->imageResized, '', $invertScaleQuality);
				break;
			case 'bmp':
				echo 'bmp file format is not supported.';
				break;

			// ... etc

			default:
				// *** No extension - No save.
				break;
		}


		//imagedestroy($this->imageResized);
	}

## --------------------------------------------------------

	public function setTransparency($bool)
		# Sep 2011
	{
		$this->keepTransparency = $bool;
	}

## --------------------------------------------------------

	public function setFillColor($value)
		# Sep 2011
		# Param in:   (mixed) $value: (array) Could be an array of RGB
		#               (str) Could be hex #ffffff or #fff, fff, ffffff
		#
		# If the keepTransparency is set to false, then no transparency is to be used.
		# This is ideal when you want to save as jpg.
		#
		# this method allows you to set the background color to use instead of
		# transparency.
		#
	{
		$colorArray = $this->formatColor($value);
		$this->fillColorArray = $colorArray;
	}

## --------------------------------------------------------

	public function setCropFromTop($value)
		# Sep 2011
	{
		$this->cropFromTopPercent = $value;
	}

## --------------------------------------------------------

	public function testGDInstalled()
		# Author:     Jarrod Oberto
		# Date:       27-02-08
		# Purpose:    Test to see if GD is installed
		# Param in:   n/a
		# Param out:  (bool) True is gd extension loaded otherwise false
		# Reference:
		# Notes:
		#
	{
		if (extension_loaded('gd') && function_exists('gd_info'))
		{
			$gdInstalled = true;
		}
		else
		{
			$gdInstalled = false;
		}

		return $gdInstalled;
	}

## --------------------------------------------------------

	public function testEXIFInstalled()
		# Author:     Jarrod Oberto
		# Date:       08-05-11
		# Purpose:    Test to see if EXIF is installed
		# Param in:   n/a
		# Param out:  (bool) True is exif extension loaded otherwise false
		# Reference:
		# Notes:
		#
	{
		if (extension_loaded('exif'))
		{
			$exifInstalled = true;
		}
		else
		{
			$exifInstalled = false;
		}

		return $exifInstalled;
	}

## --------------------------------------------------------

	public function testIsImage($image)
		# Author:     Jarrod Oberto
		# Date:       27-02-08
		# Purpose:    Test if file is an image
		# Param in:   n/a
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{
		if ($image)
		{
			$fileIsImage = true;
		}
		else
		{
			$fileIsImage = false;
		}

		return $fileIsImage;
	}

## --------------------------------------------------------

	public function testFunct()
		# Author:     Jarrod Oberto
		# Date:       27-02-08
		# Purpose:    Test Function
		# Param in:   n/a
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{
		echo $this->height;
	}

## --------------------------------------------------------

	public function setForceStretch($value)
		# Author:     Jarrod Oberto
		# Date:       23-12-10
		# Purpose:
		# Param in:   (bool) $value
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{
		$this->forceStretch = $value;
	}

## --------------------------------------------------------

	public function setFile($fileName)
		# Author:     Jarrod Oberto
		# Date:       28-02-08
		# Purpose:
		# Param in:   n/a
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{
		self::__construct($fileName);
	}

## --------------------------------------------------------

	public function getFileName()
		# Author:     Jarrod Oberto
		# Date:       10-09-08
		# Purpose:
		# Param in:   n/a
		# Param out:  n/a
		# Reference:
		# Notes:
		#
	{
		return $this->fileName;
	}

## --------------------------------------------------------

	public function getHeight()
	{
		return $this->height;
	}

## --------------------------------------------------------

	public function getWidth()
	{
		return $this->width;
	}

## --------------------------------------------------------

	public function getOriginalHeight()
	{
		return $this->heightOriginal;
	}

## --------------------------------------------------------

	public function getOriginalWidth()
	{
		return $this->widthOriginal;
	}

## --------------------------------------------------------

	public function getErrors()
		# Author:     Jarrod Oberto
		# Date:       19-11-09
		# Purpose:    Returns the error array
		# Param in:   n/a
		# Param out:  Array of errors
		# Reference:
		# Notes:
		#
	{
		return $this->errorArray;
	}

## --------------------------------------------------------

	private function checkInterlaceImage($isEnabled)
		# jpg will use progressive (they don't use interace)
	{
		if ($isEnabled)
		{
			imageinterlace($this->imageResized, $isEnabled);
		}
	}

## --------------------------------------------------------

	protected function formatColor($value)
		# Author:     Jarrod Oberto
		# Date:       09-05-11
		# Purpose:    Determine color method passed in and return color as RGB
		# Param in:   (mixed) $value: (array) Could be an array of RGB
		#               (str) Could be hex #ffffff or #fff, fff, ffffff
		# Param out:
		# Reference:
		# Notes:
		#
	{
		$rgbArray = array();

		// *** If it's an array it should be R, G, B
		if (is_array($value))
		{

			if (key($value) == 0 && count($value) == 3)
			{

				$rgbArray['r'] = $value[0];
				$rgbArray['g'] = $value[1];
				$rgbArray['b'] = $value[2];

			}
			else
			{
				$rgbArray = $value;
			}
		}
		else
		{
			if (fix_strtolower($value) == 'transparent')
			{

				$rgbArray = array(
					'r' => 255,
					'g' => 255,
					'b' => 255,
					'a' => 127
				);

			}
			else
			{

				// *** ...Else it should be hex. Let's make it RGB
				$rgbArray = $this->hex2dec($value);
			}
		}

		return $rgbArray;
	}

	## --------------------------------------------------------

	function hex2dec($hex)
		# Purpose:  Convert #hex color to RGB
	{
		$color = str_replace('#', '', $hex);

		if (strlen($color) == 3)
		{
			$color = $color . $color;
		}

		$rgb = array(
			'r' => hexdec(substr($color, 0, 2)),
			'g' => hexdec(substr($color, 2, 2)),
			'b' => hexdec(substr($color, 4, 2)),
			'a' => 0
		);

		return $rgb;
	}

	## --------------------------------------------------------

	private function createImageColor($colorArray)
	{
		$r = $colorArray['r'];
		$g = $colorArray['g'];
		$b = $colorArray['b'];

		return imagecolorallocate($this->imageResized, $r, $g, $b);
	}

	## --------------------------------------------------------

	private function testColorExists($colorArray)
	{
		$r = $colorArray['r'];
		$g = $colorArray['g'];
		$b = $colorArray['b'];

		if (imagecolorexact($this->imageResized, $r, $g, $b) == -1)
		{
			return false;
		}
		else
		{
			return true;
		}
	}

	## --------------------------------------------------------

	private function findUnusedGreen()
		# Purpose:  We find a green color suitable to use like green-screen effect.
		#     Therefore, the color must not exist in the image.
	{
		$green = 255;

		do
		{

			$greenChroma = array( 0, $green, 0 );
			$colorArray = $this->formatColor($greenChroma);
			$match = $this->testColorExists($colorArray);
			$green--;

		} while ($match == false && $green > 0);

		// *** If no match, just bite the bullet and use green value of 255
		if ( ! $match)
		{
			$greenChroma = array( 0, $green, 0 );
		}

		return $greenChroma;
	}

	## --------------------------------------------------------

	private function findUnusedBlue()
		# Purpose:  We find a green color suitable to use like green-screen effect.
		#     Therefore, the color must not exist in the image.
	{
		$blue = 255;

		do
		{

			$blueChroma = array( 0, 0, $blue );
			$colorArray = $this->formatColor($blueChroma);
			$match = $this->testColorExists($colorArray);
			$blue--;

		} while ($match == false && $blue > 0);

		// *** If no match, just bite the bullet and use blue value of 255
		if ( ! $match)
		{
			$blueChroma = array( 0, 0, $blue );
		}

		return $blueChroma;
	}

	## --------------------------------------------------------

	private function invertTransparency($value, $originalMax, $invert = true)
		# Purpose:  This does two things:
		#       1) Convert the range from 0-127 to 0-100
		#       2) Inverts value to 100 is not transparent while 0 is fully
		#          transparent (like Photoshop)
	{
		// *** Test max range
		if ($value > $originalMax)
		{
			$value = $originalMax;
		}

		// *** Test min range
		if ($value < 0)
		{
			$value = 0;
		}

		if ($invert)
		{
			return $originalMax - (($value / 100) * $originalMax);
		}
		else
		{
			return ($value / 100) * $originalMax;
		}
	}

	## --------------------------------------------------------

	private function transparentImage($src)
	{
		// *** making images with white bg transparent
		$r1 = 0;
		$g1 = 255;
		$b1 = 0;
		for ($x = 0; $x < imagesx($src); ++$x)
		{
			for ($y = 0; $y < imagesy($src); ++$y)
			{
				$color = imagecolorat($src, $x, $y);
				$r = ($color >> 16) & 0xFF;
				$g = ($color >> 8) & 0xFF;
				$b = $color & 0xFF;
				for ($i = 0; $i < 270; $i++)
				{
					//if ($r . $g . $b == ($r1 + $i) . ($g1 + $i) . ($b1 + $i)) {
					if ($r == 0 && $g == 255 && $b == 0)
					{
						//if ($g == 255) {
						$trans_colour = imagecolorallocatealpha($src, 0, 0, 0, 127);
						imagefill($src, $x, $y, $trans_colour);
					}
				}
			}
		}

		return $src;
	}

	## --------------------------------------------------------

	function checkStringStartsWith($needle, $haystack)
		# Check if a string starts with a specific pattern
	{
		return (substr($haystack, 0, strlen($needle)) == $needle);
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  BMP SUPPORT (SAVING) - James Heinrich
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	private function GD2BMPstring(&$gd_image)
		# Author:     James Heinrich
		# Purpose:    Save file as type bmp
		# Param in:   The image canvas (passed as ref)
		# Param out:
		# Reference:
		# Notes:    This code was stripped out of two external files
		#       (phpthumb.bmp.php,phpthumb.functions.php) and added below to
		#       avoid dependancies.
		#
	{
		$imageX = ImageSX($gd_image);
		$imageY = ImageSY($gd_image);

		$BMP = '';
		for ($y = ($imageY - 1); $y >= 0; $y--)
		{
			$thisline = '';
			for ($x = 0; $x < $imageX; $x++)
			{
				$argb = $this->GetPixelColor($gd_image, $x, $y);
				$thisline .= chr($argb['blue']) . chr($argb['green']) . chr($argb['red']);
			}
			while (strlen($thisline) % 4)
			{
				$thisline .= "\x00";
			}
			$BMP .= $thisline;
		}

		$bmpSize = strlen($BMP) + 14 + 40;
		// BITMAPFILEHEADER [14 bytes] - http://msdn.microsoft.com/library/en-us/gdi/bitmaps_62uq.asp
		$BITMAPFILEHEADER = 'BM';                                    // WORD    bfType;
		$BITMAPFILEHEADER .= $this->LittleEndian2String($bmpSize, 4); // DWORD   bfSize;
		$BITMAPFILEHEADER .= $this->LittleEndian2String(0, 2); // WORD    bfReserved1;
		$BITMAPFILEHEADER .= $this->LittleEndian2String(0, 2); // WORD    bfReserved2;
		$BITMAPFILEHEADER .= $this->LittleEndian2String(54, 4); // DWORD   bfOffBits;

		// BITMAPINFOHEADER - [40 bytes] http://msdn.microsoft.com/library/en-us/gdi/bitmaps_1rw2.asp
		$BITMAPINFOHEADER = $this->LittleEndian2String(40, 4); // DWORD  biSize;
		$BITMAPINFOHEADER .= $this->LittleEndian2String($imageX, 4); // LONG   biWidth;
		$BITMAPINFOHEADER .= $this->LittleEndian2String($imageY, 4); // LONG   biHeight;
		$BITMAPINFOHEADER .= $this->LittleEndian2String(1, 2); // WORD   biPlanes;
		$BITMAPINFOHEADER .= $this->LittleEndian2String(24, 2); // WORD   biBitCount;
		$BITMAPINFOHEADER .= $this->LittleEndian2String(0, 4); // DWORD  biCompression;
		$BITMAPINFOHEADER .= $this->LittleEndian2String(0, 4); // DWORD  biSizeImage;
		$BITMAPINFOHEADER .= $this->LittleEndian2String(2835, 4); // LONG   biXPelsPerMeter;
		$BITMAPINFOHEADER .= $this->LittleEndian2String(2835, 4); // LONG   biYPelsPerMeter;
		$BITMAPINFOHEADER .= $this->LittleEndian2String(0, 4); // DWORD  biClrUsed;
		$BITMAPINFOHEADER .= $this->LittleEndian2String(0, 4); // DWORD  biClrImportant;

		return $BITMAPFILEHEADER . $BITMAPINFOHEADER . $BMP;
	}

## --------------------------------------------------------

	private function GetPixelColor(&$img, $x, $y)
		# Author:     James Heinrich
		# Purpose:
		# Param in:
		# Param out:
		# Reference:
		# Notes:
		#
	{
		if ( ! is_resource($img))
		{
			return false;
		}

		return @ImageColorsForIndex($img, @ImageColorAt($img, $x, $y));
	}

## --------------------------------------------------------

	private function LittleEndian2String($number, $minbytes = 1)
		# Author:     James Heinrich
		# Purpose:    BMP SUPPORT (SAVING)
		# Param in:
		# Param out:
		# Reference:
		# Notes:
		#
	{
		$intstring = '';
		while ($number > 0)
		{
			$intstring = $intstring . chr($number & 255);
			$number >>= 8;
		}

		return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT);
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  BMP SUPPORT (READING)
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	private function ImageCreateFromBMP($filename)
		# Author:     DHKold
		# Date:     The 15th of June 2005
		# Version:    2.0B
		# Purpose:    To create an image from a BMP file.
		# Param in:   BMP file to open.
		# Param out:  Return a resource like the other ImageCreateFrom functions
		# Reference:  http://us3.php.net/manual/en/function.imagecreate.php#53879
		# Bug fix:    Author:   domelca at terra dot es
		#       Date:   06 March 2008
		#       Fix:    Correct 16bit BMP support
		# Notes:
		#
	{

		//Ouverture du fichier en mode binaire
		if ( ! $f1 = fopen($filename, "rb"))
		{
			return false;
		}

		//1 : Chargement des ent�tes FICHIER
		$FILE = unpack("vfile_type/Vfile_size/Vreserved/Vbitmap_offset", fread($f1, 14));
		if ($FILE['file_type'] != 19778)
		{
			return false;
		}

		//2 : Chargement des ent�tes BMP
		$BMP = unpack('Vheader_size/Vwidth/Vheight/vplanes/vbits_per_pixel' .
			'/Vcompression/Vsize_bitmap/Vhoriz_resolution' .
			'/Vvert_resolution/Vcolors_used/Vcolors_important', fread($f1, 40));
		$BMP['colors'] = pow(2, $BMP['bits_per_pixel']);

		if ($BMP['size_bitmap'] == 0)
		{
			$BMP['size_bitmap'] = $FILE['file_size'] - $FILE['bitmap_offset'];
		}

		$BMP['bytes_per_pixel'] = $BMP['bits_per_pixel'] / 8;
		$BMP['bytes_per_pixel2'] = ceil($BMP['bytes_per_pixel']);
		$BMP['decal'] = ($BMP['width'] * $BMP['bytes_per_pixel'] / 4);
		$BMP['decal'] -= floor($BMP['width'] * $BMP['bytes_per_pixel'] / 4);
		$BMP['decal'] = 4 - (4 * $BMP['decal']);

		if ($BMP['decal'] == 4)
		{
			$BMP['decal'] = 0;
		}

		//3 : Chargement des couleurs de la palette
		$PALETTE = array();
		if ($BMP['colors'] < 16777216)
		{
			$PALETTE = unpack('V' . $BMP['colors'], fread($f1, $BMP['colors'] * 4));
		}

		//4 : Cr�ation de l'image
		$IMG = fread($f1, $BMP['size_bitmap']);
		$VIDE = chr(0);

		$res = imagecreatetruecolor($BMP['width'], $BMP['height']);
		$P = 0;
		$Y = $BMP['height'] - 1;
		while ($Y >= 0)
		{
			$X = 0;
			while ($X < $BMP['width'])
			{
				if ($BMP['bits_per_pixel'] == 24)
				{
					$COLOR = unpack("V", substr($IMG, $P, 3) . $VIDE);
				}
				elseif ($BMP['bits_per_pixel'] == 16)
				{

					/*
           * BMP 16bit fix
           * =================
           *
           * Ref: http://us3.php.net/manual/en/function.imagecreate.php#81604
           *
           * Notes:
           * "don't work with bmp 16 bits_per_pixel. change pixel
           * generator for this."
           *
           */

					// *** Original code (don't work)
					//$COLOR = unpack("n",substr($IMG,$P,2));
					//$COLOR[1] = $PALETTE[$COLOR[1]+1];

					$COLOR = unpack("v", substr($IMG, $P, 2));
					$blue = ($COLOR[1] & 0x001f) << 3;
					$green = ($COLOR[1] & 0x07e0) >> 3;
					$red = ($COLOR[1] & 0xf800) >> 8;
					$COLOR[1] = $red * 65536 + $green * 256 + $blue;

				}
				elseif ($BMP['bits_per_pixel'] == 8)
				{
					$COLOR = unpack("n", $VIDE . substr($IMG, $P, 1));
					$COLOR[1] = $PALETTE[ $COLOR[1] + 1 ];
				}
				elseif ($BMP['bits_per_pixel'] == 4)
				{
					$COLOR = unpack("n", $VIDE . substr($IMG, floor($P), 1));
					if (($P * 2) % 2 == 0)
					{
						$COLOR[1] = ($COLOR[1] >> 4);
					}
					else
					{
						$COLOR[1] = ($COLOR[1] & 0x0F);
					}
					$COLOR[1] = $PALETTE[ $COLOR[1] + 1 ];
				}
				elseif ($BMP['bits_per_pixel'] == 1)
				{
					$COLOR = unpack("n", $VIDE . substr($IMG, floor($P), 1));
					if (($P * 8) % 8 == 0)
					{
						$COLOR[1] = $COLOR[1] >> 7;
					}
					elseif (($P * 8) % 8 == 1)
					{
						$COLOR[1] = ($COLOR[1] & 0x40) >> 6;
					}
					elseif (($P * 8) % 8 == 2)
					{
						$COLOR[1] = ($COLOR[1] & 0x20) >> 5;
					}
					elseif (($P * 8) % 8 == 3)
					{
						$COLOR[1] = ($COLOR[1] & 0x10) >> 4;
					}
					elseif (($P * 8) % 8 == 4)
					{
						$COLOR[1] = ($COLOR[1] & 0x8) >> 3;
					}
					elseif (($P * 8) % 8 == 5)
					{
						$COLOR[1] = ($COLOR[1] & 0x4) >> 2;
					}
					elseif (($P * 8) % 8 == 6)
					{
						$COLOR[1] = ($COLOR[1] & 0x2) >> 1;
					}
					elseif (($P * 8) % 8 == 7)
					{
						$COLOR[1] = ($COLOR[1] & 0x1);
					}
					$COLOR[1] = $PALETTE[ $COLOR[1] + 1 ];
				}
				else
				{
					return false;
				}

				imagesetpixel($res, $X, $Y, $COLOR[1]);
				$X++;
				$P += $BMP['bytes_per_pixel'];
			}

			$Y--;
			$P += $BMP['decal'];
		}
		//Fermeture du fichier
		fclose($f1);

		return $res;
	}


	/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*-
  PSD SUPPORT (READING)
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-**-*-*-*-*-*-*-*-*-*-*-*-*-*/

	private function imagecreatefrompsd($fileName)
		# Author:     Tim de Koning
		# Version:    1.3
		# Purpose:    To create an image from a PSD file.
		# Param in:   PSD file to open.
		# Param out:  Return a resource like the other ImageCreateFrom functions
		# Reference:  http://www.kingsquare.nl/phppsdreader
		# Notes:
		#
	{
		if (file_exists($this->psdReaderPath))
		{


			include_once($this->psdReaderPath);

			$psdReader = new PhpPsdReader($fileName);

			if (isset($psdReader->infoArray['error']))
			{
				return '';
			}
			else
			{
				return $psdReader->getImage();
			}
		}
		else
		{
			return false;
		}
	}

## --------------------------------------------------------

	public function __destruct()
	{
		if (is_resource($this->imageResized))
		{
			imagedestroy($this->imageResized);
		}
	}

## --------------------------------------------------------

}


/*
 *    Example with some API calls (outdated):
 *
 *
 *      ===============================
 *      Compulsary
 *      ===============================
 *
 *      include("classes/resize_class.php");
 *
 *      // *** Initialise object
 *      $magicianObj = new resize('images/cars/large/a.jpg');
 *
 *      // *** Turn off stretching (optional)
 *      $magicianObj -> setForceStretch(false);
 *
 *      // *** Resize object
 *      $magicianObj -> resizeImage(150, 100, 0);
 *
 *      ===============================
 *      Image options - can run none, one, or all.
 *      ===============================
 *
 *      //  *** Add watermark
 *        $magicianObj -> addWatermark('stamp.png');
 *
 *          // *** Add text
 *      $magicianObj -> addText('testing...');
 *
 *      ===============================
 *      Output options - can run one, or the other, or both.
 *      ===============================
 *
 *      // *** Save image to disk
 *      $magicianObj -> saveImage('images/cars/large/b.jpg', 100);
 *
 *          // *** Or output to screen (params in can be jpg, gif, png)
 *      $magicianObj -> displayImage('png');
 *
 *      ===============================
 *      Return options - return errors. nice for debuggin.
 *      ===============================
 *
 *      // *** Return error array
 *      $errorArray = $magicianObj -> getErrors();
 *
 *
 *      ===============================
 *      Cleanup options - not really neccessary, but good practice
 *      ===============================
 *
 *      // *** Free used memory
 *      $magicianObj -> __destruct();
 */

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