CC-2966: Remove minimum and maximum logo sizes - make them recommended instead

Fixed by:
1. change wording
2. attach custom filter to the logo upload form, the filter scales down the image
if it's larger than 600x600

airtime_mvc/application/forms/RegisterAirtime.php

@@ -1,5 +1,7 @@
 <?php
 
+require_once 'customfilters/ImageSize.php';
+
 class Application_Form_RegisterAirtime extends Zend_Form
 {
 
@@ -102,12 +104,8 @@ class Application_Form_RegisterAirtime extends Zend_Form
 				->setRequired(false)
 				->setDecorators(array('File'))
 				->addValidator('Count', false, 1)
-				->addValidator('Extension', false, 'jpg,png,gif')
-				->addValidator('ImageSize', false, array(
-					'minwidth'	=> 200,
-					'minheight'	=> 200,
-					'maxwidth'	=> 600,
-					'maxheight'	=>	600));
+				->addValidator('Extension', false, 'jpg,jpeg,png,gif')
+				->addFilter('ImageSize');
 		$this->addElement($upload);
 		
         //enable support feedback

airtime_mvc/application/forms/SupportSettings.php

@@ -1,5 +1,7 @@
 <?php
 
+require_once 'customfilters/ImageSize.php';
+
 class Application_Form_SupportSettings extends Zend_Form
 {
 
@@ -99,12 +101,8 @@ class Application_Form_SupportSettings extends Zend_Form
 				->setRequired(false)
 				->setDecorators(array('File'))
 				->addValidator('Count', false, 1)
-				->addValidator('Extension', false, 'jpg,png,gif')
-				->addValidator('ImageSize', false, array(
-					'minwidth'	=> 200,
-					'minheight'	=> 200,
-					'maxwidth'	=> 600,
-					'maxheight'	=>	600));
+				->addValidator('Extension', false, 'jpg,jpeg,png,gif')
+				->addFilter('ImageSize');
 		$upload->setAttrib('accept', 'image/jpeg,image/gif,image/png,image/jpg');
 		$this->addElement($upload);
 		

airtime_mvc/application/forms/customfilters/ImageSize.php

@@ -0,0 +1,42 @@
+<?php
+
+class Zend_Filter_ImageSize implements Zend_Filter_Interface {
+    
+	public function filter($value) {
+        if(!file_exists($value)) {
+            throw new Zend_Filter_Exception('Image does not exist: ' . $value);
+        }
+        
+        $image = imageCreateFromString(file_get_contents($value));
+		if(false === $image) {
+            throw new Zend_Filter_Exception('Can\'t load image: ' . $value);
+        }
+        
+        // find ratio to scale down to
+        // TODO: pass 600 as parameter in the future
+        $origWidth = imagesx($image);
+        $origHeight = imagesy($image);
+        $ratio = max($origWidth, $origHeight) / 600;
+        if($ratio < 1) {
+        	return;
+        }
+        
+        // create a scaled down image
+        $newWidth = round($origWidth / $ratio);
+        $newHeight = round($origHeight / $ratio);
+        $resized = imagecreatetruecolor($newWidth, $newHeight);
+        imagecopyresampled($resized, $image, 0, 0, 0, 0, $newWidth, $newHeight, $origWidth, $origHeight);
+        
+        // determine type and store to disk
+        $explodeResult = explode(".", $value);
+        $type = $explodeResult[count($explodeResult) - 1];
+        $writeFunc = 'image' . $type;
+        if($type == 'jpeg' || $type == 'jpg') {
+            imagejpeg($resized, $value, 100);
+        } else {
+        	$writeFunc($resized, $value);
+        }
+	}
+}
+
+?>

airtime_mvc/application/views/scripts/form/register-dialog.phtml

@@ -144,7 +144,7 @@
 		        	<?php }?>
                     
 		            <?php echo $this->element->getElement('Logo') ?>
-		            <p class="info-text">Min. size: 200x200 Max. size: 600x600</p>
+		            <p class="info-text">Note: Anything larger than 600x600 will be resized.</p>
 		            <?php if($this->element->getElement('Logo')->hasErrors()) : ?>
 		                <ul class='errors'>
 		                    <?php foreach($this->element->getElement('Logo')->getMessages() as $error): ?>

airtime_mvc/application/views/scripts/form/support-setting.phtml

@@ -138,7 +138,7 @@
             <?php }?>
             
             <?php echo $this->element->getElement('Logo') ?>
-            <div class="info-text"><p>Min. size: 200x200 Max. size: 600x600</p></div>
+            <div class="info-text"><p>Note: Anything larger than 600x600 will be resized.</p></div>
             <?php if($this->element->getElement('Logo')->hasErrors()) : ?>
                 <ul class='errors'>
                     <?php foreach($this->element->getElement('Logo')->getMessages() as $error): ?>