From 5598cce2603522c86da24500bb86ebeafbd426d4 Mon Sep 17 00:00:00 2001
From: Kyle Johnson <kjohnson@gnulnx.net>
Date: Tue, 23 Dec 2014 17:42:44 -0500
Subject: [PATCH] Add getImageSrc function to the API via component

---
 .../Controller/Component/ImageComponent.php   | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 web/api/app/Controller/Component/ImageComponent.php

diff --git a/web/api/app/Controller/Component/ImageComponent.php b/web/api/app/Controller/Component/ImageComponent.php
new file mode 100644
index 000000000..def1f4e46
--- /dev/null
+++ b/web/api/app/Controller/Component/ImageComponent.php
@@ -0,0 +1,83 @@
+<?php
+App::uses('Component', 'Controller');
+
+class ImageComponent extends Component {
+	public function getImageSrc( $event, $frame, $scale, $config ) {
+	        $eventPath = $event['Event']['MonitorId'].'/'.strftime( "%y/%m/%d/%H/%M/%S", strtotime($event['Event']['StartTime']) );
+		
+		$captImage = sprintf( "%0".$config['ZM_EVENT_IMAGE_DIGITS']."d-capture.jpg", $frame['Frame']['FrameId'] );
+		$captPath = $eventPath.'/'.$captImage;
+		$thumbCaptPath = $config['ZM_DIR_IMAGES'].'/'.$event['Event']['Id'].'-'.$captImage;
+
+		$analImage = sprintf( "%0".$config['ZM_EVENT_IMAGE_DIGITS']."d-analyse.jpg", $frame['Frame']['FrameId'] );
+		$analPath = $eventPath.'/'.$analImage;
+		$analFile =  $config['ZM_DIR_EVENTS']."/".$analPath;
+		$thumbAnalPath = $config['ZM_DIR_IMAGES'].'/'.$event['Event']['Id'].'-'.$analImage;
+
+		$alarmFrame = $frame['Frame']['Type']=='Alarm';
+		
+		$hasAnalImage = $alarmFrame && file_exists( $analFile ) && filesize( $analFile );
+		$isAnalImage = $hasAnalImage && !$captureOnly;
+
+
+		if ( !$config['ZM_WEB_SCALE_THUMBS'] || $scale >= 100 || !function_exists( 'imagecreatefromjpeg' ) ) {
+			$imagePath = $thumbPath = $isAnalImage?$analPath:$captPath;
+			$imageFile = $config['ZM_DIR_EVENTS']."/".$imagePath;
+			$thumbFile = $config['ZM_DIR_EVENTS']."/".$thumbPath;
+		} else {
+			if ( version_compare( phpversion(), "4.3.10", ">=") )
+			    $fraction = sprintf( "%.3F", $scale/100 );
+			else
+			    $fraction = sprintf( "%.3f", $scale/100 );
+			$scale = (int)round( $scale );
+			
+			$thumbCaptPath = preg_replace( "/\.jpg$/", "-$scale.jpg", $thumbCaptPath );
+			$thumbAnalPath = preg_replace( "/\.jpg$/", "-$scale.jpg", $thumbAnalPath );
+			
+			if ( $isAnalImage )
+			{
+			    $imagePath = $analPath;
+			    $thumbPath = $thumbAnalPath;
+			}
+			else
+			{
+			    $imagePath = $captPath;
+			    $thumbPath = $thumbCaptPath;
+			}
+			
+			$imageFile = $config['ZM_DIR_EVENTS']."/".$imagePath;
+			//$thumbFile = ZM_DIR_EVENTS."/".$thumbPath;
+			$thumbFile = $thumbPath;
+			if ( $overwrite || !file_exists( $thumbFile ) || !filesize( $thumbFile ) )
+			{
+			    // Get new dimensions
+			    list( $imageWidth, $imageHeight ) = getimagesize( $imageFile );
+			    $thumbWidth = $imageWidth * $fraction;
+			    $thumbHeight = $imageHeight * $fraction;
+			
+			    // Resample
+			    $thumbImage = imagecreatetruecolor( $thumbWidth, $thumbHeight );
+			    $image = imagecreatefromjpeg( $imageFile );
+			    imagecopyresampled( $thumbImage, $image, 0, 0, 0, 0, $thumbWidth, $thumbHeight, $imageWidth, $imageHeight );
+			
+			    if ( !imagejpeg( $thumbImage, $thumbFile ) )
+			        Error( "Can't create thumbnail '$thumbPath'" );
+			}
+		}
+
+		$imageData = array(
+		    'eventPath' => $eventPath,
+		    'imagePath' => $imagePath,
+		    'thumbPath' => $thumbPath,
+		    'imageFile' => $imageFile,
+		    'thumbFile' => $thumbFile,
+		    'imageClass' => $alarmFrame?"alarm":"normal",
+		    'isAnalImage' => $isAnalImage,
+		    'hasAnalImage' => $hasAnalImage,
+		);
+
+		return( $imageData );
+
+	}
+}
+?>