Fix rotating (max top and max left for angle 90) and overs mini fix

img_crop_to_file.php

@@ -1,88 +1,100 @@
 <?php
-/*
-*	!!! THIS IS JUST AN EXAMPLE !!!, PLEASE USE ImageMagick or some other quality image processing libraries
-*/
-$imgUrl = $_POST['imgUrl'];
+$tmp_dir = $_SERVER['DOCUMENT_ROOT'] . '/tmp/';
+$filename = explode('/', $_POST['imgUrl']);
+$filename = $filename[count($filename) - 1];
+$imgUrl = $tmp_dir . $filename;
+
 // original sizes
 $imgInitW = $_POST['imgInitW'];
 $imgInitH = $_POST['imgInitH'];
+
 // resized sizes
 $imgW = $_POST['imgW'];
 $imgH = $_POST['imgH'];
+
 // offsets
 $imgY1 = $_POST['imgY1'];
 $imgX1 = $_POST['imgX1'];
+
 // crop box
-$cropW = $_POST['cropW'];
-$cropH = $_POST['cropH'];
+$cropW = $image_config[1]['w'];
+$cropH = $image_config[1]['h'];
+
 // rotation angle
 $angle = $_POST['rotation'];
 
 $jpeg_quality = 100;
 
-$output_filename = "temp/croppedImg_".rand();
-
-// uncomment line below to save the cropped image in the same location as the original image.
-//$output_filename = dirname($imgUrl). "/croppedImg_".rand();
-
+$output_filename = $client->client_id.time();
+while (file_exists($tmp_dir . $output_filename)) {
+    $filename_array = explode('.', $output_filename);
+    $output_filename = $filename_array[0] . '_' . mt_rand(0, 1000) . '.' . $filename_array[count($filename_array) - 1];
+}
 $what = getimagesize($imgUrl);
 
-switch(strtolower($what['mime']))
-{
+switch (strtolower($what['mime'])) {
     case 'image/png':
-        $img_r = imagecreatefrompng($imgUrl);
-		$source_image = imagecreatefrompng($imgUrl);
-		$type = '.png';
-        break;
+	$img_r = imagecreatefrompng($imgUrl);
+	$source_image = imagecreatefrompng($imgUrl);
+	$type = '.png';
+	break;
     case 'image/jpeg':
-        $img_r = imagecreatefromjpeg($imgUrl);
-		$source_image = imagecreatefromjpeg($imgUrl);
-		error_log("jpg");
-		$type = '.jpeg';
-        break;
+	$img_r = imagecreatefromjpeg($imgUrl);
+	$source_image = imagecreatefromjpeg($imgUrl);
+	error_log("jpg");
+	$type = '.jpeg';
+	break;
     case 'image/gif':
-        $img_r = imagecreatefromgif($imgUrl);
-		$source_image = imagecreatefromgif($imgUrl);
-		$type = '.gif';
-        break;
-    default: die('image type not supported');
+	$img_r = imagecreatefromgif($imgUrl);
+	$source_image = imagecreatefromgif($imgUrl);
+	$type = '.gif';
+	break;
+    default:
+	$arr = Array(
+	    "status" => 'error',
+	    "message" => 'Тип файла не поддержвивается. Выберите другой файл'
+	);
+	break;
 }
-
+$output_filename .= $type;
 
 //Check write Access to Directory
 
-if(!is_writable(dirname($output_filename))){
-	$response = Array(
-	    "status" => 'error',
-	    "message" => 'Can`t write cropped File'
-    );	
-}else{
-
+if (!is_writable(dirname($tmp_dir.$output_filename))) {
+    $arr = Array(
+	"status" => 'error',
+	"message" => 'Ошибка загрузки файла'
+    );
+} else {
     // resize the original image to size of editor
-    $resizedImage = imagecreatetruecolor($imgW, $imgH);
-	imagecopyresampled($resizedImage, $source_image, 0, 0, 0, 0, $imgW, $imgH, $imgInitW, $imgInitH);
+    $image = imagecreatetruecolor($imgInitW, $imgInitH);
+    imageAlphaBlending($image, false);
+    imageSaveAlpha($image, true);
+
     // rotate the rezized image
-    $rotated_image = imagerotate($resizedImage, -$angle, 0);
-    // find new width & height of rotated image
-    $rotated_width = imagesx($rotated_image);
-    $rotated_height = imagesy($rotated_image);
-    // diff between rotated & original sizes
-    $dx = $rotated_width - $imgW;
-    $dy = $rotated_height - $imgH;
-    // crop rotated image to fit into original rezized rectangle
-	$cropped_rotated_image = imagecreatetruecolor($imgW, $imgH);
-	imagecolortransparent($cropped_rotated_image, imagecolorallocate($cropped_rotated_image, 0, 0, 0));
-	imagecopyresampled($cropped_rotated_image, $rotated_image, 0, 0, $dx / 2, $dy / 2, $imgW, $imgH, $imgW, $imgH);
-	// crop image into selected area
-	$final_image = imagecreatetruecolor($cropW, $cropH);
-	imagecolortransparent($final_image, imagecolorallocate($final_image, 0, 0, 0));
-	imagecopyresampled($final_image, $cropped_rotated_image, 0, 0, $imgX1, $imgY1, $cropW, $cropH, $cropW, $cropH);
-	// finally output png image
-	//imagepng($final_image, $output_filename.$type, $png_quality);
-	imagejpeg($final_image, $output_filename.$type, $jpeg_quality);
-	$response = Array(
+    if ($angle) {
+	$image = imagerotate($source_image, -$angle, 0);
+    } else {
+	$image = $source_image;
+    }
+    $image2 = imagecreatetruecolor($imgW, $imgH);
+    imageAlphaBlending($image2, false);
+    imageSaveAlpha($image2, true);
+    imagecopyresampled($image2, $image, 0, 0, 0, 0, $imgW, $imgH, $imgInitW, $imgInitH);
+
+    // crop image into selected area
+    $final_image = imagecreatetruecolor($cropW, $cropH);
+    imageAlphaBlending($final_image, false);
+    imageSaveAlpha($final_image, true);
+    //imagecolortransparent($final_image, imagecolorallocate($final_image, 0, 0, 0));
+    imagecopyresampled($final_image, $image2, 0, 0, $imgX1, $imgY1, $cropW+1, $cropH+1, $cropW, $cropH);
+
+    // finally output png image
+    //imagepng($final_image, $tmp_dir.$output_filename, $png_quality);
+    imagejpeg($final_image, $tmp_dir.$output_filename, $jpeg_quality);
+	$arr = Array(
 	    "status" => 'success',
-	    "url" => $output_filename.$type
-    );
+	    "url" => '/tmp/'.$output_filename
+	);
 }
-print json_encode($response);
+echo json_encode($arr);