git-svn-id: https://msi/svn/firstRepo/Service/trunk@19 0f545695-f87b-41b6-9a03-7f16563b5454

2014-12-10 15:14:03 +00:00
parent 82eca852ad
commit 4f363403ca
38 changed files with 9350 additions and 0 deletions
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+<?php
+
+namespace PHPImageWorkshop;
+
+use PHPImageWorkshop\Core\ImageWorkshopLayer as ImageWorkshopLayer;
+use PHPImageWorkshop\Core\ImageWorkshopLib as ImageWorkshopLib;
+use PHPImageWorkshop\Exception\ImageWorkshopException as ImageWorkshopException;
+
+// If no autoloader, uncomment these lines:
+//require_once(__DIR__.'/Core/ImageWorkshopLayer.php');
+//require_once(__DIR__.'/Exception/ImageWorkshopException.php');
+
+/**
+ * ImageWorkshop class
+ * 
+ * Use this class as a factory to initialize ImageWorkshop layers
+ *
+ * @version 2.0.6
+ * @link http://phpimageworkshop.com
+ * @author Sybio (Clément Guillemain / @Sybio01)
+ * @license http://en.wikipedia.org/wiki/MIT_License
+ * @copyright Clément Guillemain
+ */
+class ImageWorkshop
+{
+    /**
+     * @var integer
+     */
+    const ERROR_NOT_AN_IMAGE_FILE = 1;
+    
+    /**
+     * @var integer
+     */
+    const ERROR_IMAGE_NOT_FOUND = 2;
+    
+    /**
+     * @var integer
+     */
+    const ERROR_NOT_WRITABLE_FILE = 3;
+    
+    /**
+     * @var integer
+     */
+    const ERROR_CREATE_IMAGE_FROM_STRING = 4;
+      
+    /**
+     * Initialize a layer from a given image path
+     * 
+     * From an upload form, you can give the "tmp_name" path
+     * 
+     * @param string $path
+     * 
+     * @return ImageWorkshopLayer
+     */
+    public static function initFromPath($path)
+    {
+        if (file_exists($path) && !is_dir($path)) {
+            
+            if (!is_readable($path)) {
+                throw new ImageWorkshopException('Can\'t open the file at "'.$path.'" : file is not writable, did you check permissions (755 / 777) ?', static::ERROR_NOT_WRITABLE_FILE);
+            }
+            
+            $imageSizeInfos = @getImageSize($path);
+            $mimeContentType = explode('/', $imageSizeInfos['mime']);
+            
+            if (!$mimeContentType || !array_key_exists(1, $mimeContentType)) {
+                throw new ImageWorkshopException('Not an image file (jpeg/png/gif) at "'.$path.'"', static::ERROR_NOT_AN_IMAGE_FILE);
+            }
+            
+            $mimeContentType = $mimeContentType[1];
+            
+            switch ($mimeContentType) {
+                case 'jpeg':
+                    $image = imageCreateFromJPEG($path);
+                break;
+
+                case 'gif':
+                    $image = imageCreateFromGIF($path);
+                break;
+
+                case 'png':
+                    $image = imageCreateFromPNG($path);
+                break;
+
+                default:
+                    throw new ImageWorkshopException('Not an image file (jpeg/png/gif) at "'.$path.'"', static::ERROR_NOT_AN_IMAGE_FILE);
+                break;
+            }
+            
+            return new ImageWorkshopLayer($image);
+        }
+        
+        throw new ImageWorkshopException('No such file found at "'.$path.'"', static::ERROR_IMAGE_NOT_FOUND);
+    }
+    
+    /**
+     * Initialize a text layer
+     * 
+     * @param string $text
+     * @param string $fontPath
+     * @param integer $fontSize
+     * @param string $fontColor
+     * @param integer $textRotation
+     * @param integer $backgroundColor
+     * 
+     * @return ImageWorkshopLayer
+     */
+    public static function initTextLayer($text, $fontPath, $fontSize = 13, $fontColor = 'ffffff', $textRotation = 0, $backgroundColor = null)
+    {
+        $textDimensions = ImageWorkshopLib::getTextBoxDimension($fontSize, $textRotation, $fontPath, $text);
+
+        $layer = static::initVirginLayer($textDimensions['width'], $textDimensions['height'], $backgroundColor);
+        $layer->write($text, $fontPath, $fontSize, $fontColor, $textDimensions['left'], $textDimensions['top'], $textRotation);
+        
+        return $layer;
+    }
+    
+    /**
+     * Initialize a new virgin layer
+     * 
+     * @param integer $width
+     * @param integer $height
+     * @param string $backgroundColor
+     * 
+     * @return ImageWorkshopLayer
+     */
+    public static function initVirginLayer($width = 100, $height = 100, $backgroundColor = null)
+    {
+        $opacity = 0;
+        
+        if (!$backgroundColor || $backgroundColor == 'transparent') {
+            $opacity = 127;
+            $backgroundColor = 'ffffff';
+        }
+        
+        return new ImageWorkshopLayer(ImageWorkshopLib::generateImage($width, $height, $backgroundColor, $opacity));
+    }
+    
+    /**
+     * Initialize a layer from a resource image var
+     * 
+     * @param \resource $image
+     * 
+     * @return ImageWorkshopLayer
+     */
+    public static function initFromResourceVar($image)
+    {
+        return new ImageWorkshopLayer($image);
+    }
+    
+    /**
+     * Initialize a layer from a string (obtains with file_get_contents, cURL...)
+     * 
+     * This not recommanded to initialize JPEG string with this method, GD displays bugs !
+     * 
+     * @param string $imageString
+     * 
+     * @return ImageWorkshopLayer
+     */
+    public static function initFromString($imageString)
+    {
+        if (!$image = @imageCreateFromString($imageString)) {
+            throw new ImageWorkshopException('Can\'t generate an image from the given string.', static::ERROR_CREATE_IMAGE_FROM_STRING);
+        }
+        
+        return new ImageWorkshopLayer($image);
+    }
+}