+++ /dev/null
-<?php
-/**
- * Proxy class for using PHP5 Imagick code in PHP4 compliant code.
- * Mostly used to be able to deal with any exceptions that are thrown
- * from Imagick.
- *
- * All methods not explicitly set below are passed through as-is to the imagick
- * object.
- *
- * Copyright 2007-2009 The Horde Project (http://www.horde.org/)
- *
- * See the enclosed file COPYING for license information (LGPL). If you
- * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
- *
- * @author Michael J. Rubinsky <mrubinsk@horde.org>
- * @package Horde_Image
- */
-class Horde_Image_ImagickProxy
-{
- /**
- * Instance variable for our Imagick object.
- *
- * @var Imagick object
- */
- protected $_imagick = null;
-
- /**
- * Constructor. Instantiate our imagick object and set some defaults.
- */
- public function __construct($width = 1, $height = 1, $bg = 'white', $format = 'png')
- {
- $this->_imagick = new Imagick();
- $this->_imagick->newImage($width, $height, new ImagickPixel($bg));
- $this->_imagick->setImageFormat($format);
- }
-
- /**
- * Clears the current imagick object and reloads it
- * with the passed in binary data.
- *
- * @param string $image_data The data representing an image.
- *
- * @return mixed true || PEAR_Error
- */
- public function loadString($image_data)
- {
- try {
- if (!$this->_imagick->clear()) {
- return PEAR::raiseError('Unable to clear the Imagick object');
- }
- if (!$this->_imagick->readImageBlob($image_data)) {
- return PEAR::raiseError(sprintf("Call to Imagick::readImageBlob failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * Rotates image as described. Don't pass through since we are not passing
- * a ImagickPixel object from PHP4 code.
- *
- * @param string $bg Background color
- * @param integer $angle Angle to rotate
- *
- * @return mixed true || PEAR_Error
- */
- public function rotateImage($bg, $angle)
- {
- try {
- if (!$this->_imagick->rotateImage(new ImagickPixel($bg), $angle)) {
- return PEAR::raiseError(sprintf("Call to Imagick::rotateImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * Change image to a grayscale image.
- *
- * @return mixed true || PEAR_Error
- */
- function grayscale()
- {
- try {
- if (!$this->_imagick->setImageColorSpace(Imagick::COLORSPACE_GRAY)) {
- return PEAR::raiseError(sprintf("Call to Imagick::setImageColorSpace failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * Places a string of text on this image with the specified properties
- *
- * @TODO
- *
- * @return mixed true || PEAR_Error
- */
- function text($string, $x, $y, $font = 'ariel', $color = 'black', $direction = 0, $fontsize = 'small')
- {
- try {
- $pixel = new ImagickPixel($color);
- $draw = new ImagickDraw();
- $draw->setFillColor($pixel);
- if (!empty($font)) {
- $draw->setFont($font);
- }
- $draw->setFontSize($fontsize);
- $draw->setGravity(Imagick::GRAVITY_NORTHWEST);
- $res = $this->_imagick->annotateImage($draw, $x, $y, $direction, $string);
- $draw->destroy();
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::annotateImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * @TODO
- *
- * @return mixed true || PEAR_Error
- */
- function circle($x, $y, $r, $color, $fill)
- {
- try {
- $draw = new ImagickDraw();
- $draw->setFillColor(new ImagickPixel($fill));
- $draw->setStrokeColor(new ImagickPixel($color));
- $draw->circle($x, $y, $r + $x, $y);
- $res = $this->_imagick->drawImage($draw);
- $draw->destroy();
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::drawImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * @TODO
- *
- * @return mixed true || PEAR_Error
- */
- function polygon($verts, $color, $fill)
- {
- try {
- $draw = new ImagickDraw();
- $draw->setFillColor(new ImagickPixel($fill));
- $draw->setStrokeColor(new ImagickPixel($color));
- $draw->polygon($verts);
- $res = $this->_imagick->drawImage($draw);
- $draw->destroy();
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::drawImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * @TODO
- *
- * @return mixed true || Pear_Error
- */
- function rectangle($x, $y, $width, $height, $color, $fill = 'none')
- {
- try {
- $draw = new ImagickDraw();
- $draw->setStrokeColor(new ImagickPixel($color));
- $draw->setFillColor(new ImagickPixel($fill));
- $draw->rectangle($x, $y, $x + $width, $y + $height);
- $res = $this->_imagick->drawImage($draw);
- $draw->destroy();
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::drawImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * Rounded Rectangle
- *
- *
- */
- function roundedRectangle($x, $y, $width, $height, $round, $color, $fill)
- {
- $draw = new ImagickDraw();
- $draw->setStrokeColor(new ImagickPixel($color));
- $draw->setFillColor(new ImagickPixel($fill));
- $draw->roundRectangle($x, $y, $x + $width, $y + $height, $round, $round);
- $res = $this->_imagick->drawImage($draw);
- }
-
- /**
- * @TODO
- *
- * @return mixed true || PEAR_Error
- */
- function line($x0, $y0, $x1, $y1, $color, $width)
- {
- try {
- $draw = new ImagickDraw();
- $draw->setStrokeColor(new ImagickPixel($color));
- $draw->setStrokeWidth($width);
- $draw->line($x0, $y0, $x1, $y1);
- $res = $this->_imagick->drawImage($draw);
- $draw->destroy();
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::drawImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * @TODO
- *
- * @return mixed true || PEAR_Error
- */
- function dashedLine($x0, $y0, $x1, $y1, $color, $width, $dash_length, $dash_space)
- {
- try {
- $draw = new ImagickDraw();
- $draw->setStrokeColor(new ImagickPixel($color));
- $draw->setStrokeWidth($width);
- $draw->setStrokeDashArray(array($dash_length, $dash_space));
- $draw->line($x0, $y0, $x1, $y1);
- $res = $this->_imagick->drawImage($draw);
- $draw->destroy();
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::drawImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * @TODO
- *
- * @return mixed true || PEAR_Error
- */
- function polyline($verts, $color, $width)
- {
- try {
- $draw = new ImagickDraw();
- $draw->setStrokeColor(new ImagickPixel($color));
- $draw->setStrokeWidth($width);
- $draw->setFillColor(new ImagickPixel('none'));
- $draw->polyline($verts);
- $res = $this->_imagick->drawImage($draw);
- $draw->destroy();
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::drawImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * @TODO
- *
- * @return mixed true || PEAR_Error
- */
- function setImageBackgroundColor($color)
- {
- try {
- $res = $this->_imagick->setImageBackgroundColor(new ImagickPixel($color));
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::setImageBackgroundColor failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * @TODO
- *
- * @return mixed true || PEAR_Error
- */
- function compositeImage(&$imagickProxy, $constant, $x, $y, $channel = null)
- {
- try {
- $res = $this->_imagick->compositeImage($imagickProxy->getIMObject(),
- $constant,
- $x,
- $y, $channel);
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::compositeImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * @TODO
- *
- * @return mixed true || PEAR_Error
- */
- function addImage(&$imagickProxy)
- {
- try {
- $res = $this->_imagick->addImage($imagickProxy->getIMObject());
- if (!$res) {
- return PEAR::raiseError(sprintf("Call to Imagick::drawImage failed on line %s of %s", __LINE__, __FILE__));
- }
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * Add a border to this image.
- *
- * @param string $color The color of the border.
- * @param integer $width The border width
- * @param integer $height The border height
- *
- * @return mixed true || PEAR_Error
- *
- */
- function borderImage($color, $width, $height)
- {
- try {
- // Jump through all there hoops to preserve any transparency.
- $border = $this->_imagick->clone();
- $border->borderImage(new ImagickPixel($color),
- $width, $height);
- $border->compositeImage($this->_imagick,
- constant('Imagick::COMPOSITE_COPY'),
- $width, $height);
- $this->_imagick->clear();
- $this->_imagick->addImage($border);
- $border->destroy();
- return true;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * Return the raw Imagick object
- *
- * @return Imagick The Imagick object for this proxy.
- */
- function &getIMObject()
- {
- return $this->_imagick;
- }
-
- /**
- * Produces a clone of this ImagickProxy object.
- *
- * @return mixed Horde_Image_ImagickProxy object || PEAR_Error
- *
- */
- function &cloneIM()
- {
- try {
- $new = new Horde_Image_ImagickProxy();
- $new->clear();
- if (!$new->readImageBlob($this->getImageBlob())) {
- return PEAR::raiseError(sprintf("Call to Imagick::readImageBlob failed on line %s of %s", __LINE__, __FILE__));
- }
- return $new;
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- *
- */
- function polaroidImage($angle = 0)
- {
- try {
- $bg = new ImagickDraw();
- return $this->_imagick->polaroidImage($bg, $angle);
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- }
-
- /**
- * Check if a particular method exists in the installed version of Imagick
- *
- * @param string $methodName The name of the method to check for.
- *
- * @return boolean
- */
- function methodExists($methodName)
- {
- if (method_exists($this->_imagick, $methodName)) {
- return true;
- } else {
- return false;
- }
- }
-
- /**
- * Pass through any methods not explicitly handled above.
- * Note that any methods that take any Imagick* object as a parameter
- * should be called through it's own method as above so we can avoid
- * having objects that might throw exceptions running in PHP4 code.
- */
- function __call($method, $params)
- {
- try {
- if (method_exists($this->_imagick, $method)) {
- $result = call_user_func_array(array($this->_imagick, $method), $params);
- } else {
- return PEAR::raiseError(sprintf("Unable to execute %s. Your ImageMagick version may not support this feature.", $method));
- }
- } catch (ImagickException $e) {
- return PEAR::raiseError($e->getMessage());
- }
- return $result;
- }
-
-}
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