From ab0d6e27d77b868c33dde7098d984f60dce9995c Mon Sep 17 00:00:00 2001
From: Savetheinternet <savetheinternet@tinyboard.org>
Date: Fri, 22 Jul 2011 19:40:57 +1000
Subject: [PATCH] ImageMagick support (including SVG, etc.)

---
 inc/config.php |  4 ++++
 inc/image.php  | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++------
 2 files changed, 59 insertions(+), 6 deletions(-)

diff --git a/inc/config.php b/inc/config.php
index 03571a92..8af70c9f 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -200,6 +200,9 @@
 	// Thumbnail extension, empty for inherited (png recommended)
 	$config['thumb_ext'] = 'png';
 	
+	// Use Imagick instead of GD (some further config options below are ignored if set)
+	$config['imagick'] = false;
+	
 	// Thumbnail quality (compression level), from 0 to 9
 	$config['thumb_quality'] = 7;
 	
@@ -609,6 +612,7 @@
 	
 	// Allowed image file extensions
 	$config['allowed_ext'] = Array('jpg', 'jpeg', 'bmp', 'gif', 'png');
+	// $config['allowed_ext'][] = 'svg';
 	
 	// Allowed additional file extensions (not images; downloadable files)
 	$config['allowed_ext_files'] = Array();
diff --git a/inc/image.php b/inc/image.php
index eea33336..85a7456a 100644
--- a/inc/image.php
+++ b/inc/image.php
@@ -13,9 +13,13 @@
 			$this->src = $src;
 			$this->format = $format;
 			
-			$classname = 'Image' . strtoupper($this->format);
-			if(!class_exists($classname)) {
-				error('Unsupported file format: ' . $this->format);
+			if($config['imagick']) {
+				$classname = 'ImageImagick';
+			} else {
+				$classname = 'Image' . strtoupper($this->format);
+				if(!class_exists($classname)) {
+					error('Unsupported file format: ' . $this->format);
+				}
 			}
 			
 			$this->image = new $classname($this);
@@ -32,10 +36,17 @@
 		}
 		
 		public function resize($extension, $max_width, $max_height) {
-			$classname = 'Image' . strtoupper($extension);
-			if(!class_exists($classname)) {
-				error('Unsupported file format: ' . $extension);
+			global $config;
+			
+			if($config['imagick']) {
+				$classname = 'ImageImagick';
+			} else {
+				$classname = 'Image' . strtoupper($extension);
+				if(!class_exists($classname)) {
+					error('Unsupported file format: ' . $extension);
+				}
 			}
+			
 			$thumb = new $classname(false);
 			$thumb->original_width = $this->size->width;
 			$thumb->original_height = $this->size->height;
@@ -86,6 +97,9 @@
 		}
 		
 		public function __construct($img) {
+			if(method_exists($this, 'init'))
+				$this->init();
+			
 			if($img !== false) {
 				$this->src = &$img->src;
 				$this->from();
@@ -123,6 +137,31 @@
 		}
 	}
 	
+	class ImageImagick extends ImageBase {
+		public function init() {
+			$this->image = new Imagick();
+		}
+		public function from() {
+			$this->image->readImage($this->src);
+		}
+		public function to($src) {
+			$this->image->writeImage($src);
+		}
+		public function width() {
+			return $this->image->getImageWidth();
+		}
+		public function height() {
+			return $this->image->getImageHeight();
+		}
+		public function destroy() {
+			return $this->image->destroy();
+		}
+		public function resize() {
+			$this->image = $this->original;
+			$this->image->scaleImage($this->width, $this->height, false);
+		}
+	}
+	
 	
 	class ImagePNG extends ImageBase {
 		public function from() {
@@ -176,6 +215,16 @@
 		}
 	}
 	
+	class ImageSVG extends ImageBase {
+		public function from() {
+			$im = new Imagick();
+			$this->image = @imagecreatefrombmp($this->src);
+		}
+		public function to($src) {
+			imagebmp($this->image, $src);
+		}
+	}
+	
 	
 	/*********************************************/
 	/* Fonction: imagecreatefrombmp              */