90 lines
3.1 KiB
PHP
90 lines
3.1 KiB
PHP
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<?php
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App::uses('Component', 'Controller');
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class ImageComponent extends Component {
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public function getImageSrc( $event, $frame, $scale, $config ) {
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$eventPath = $this->getEventPath($event);
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$captImage = sprintf( "%0".$config['ZM_EVENT_IMAGE_DIGITS']."d-capture.jpg", $frame['Frame']['FrameId'] );
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$captPath = $eventPath.'/'.$captImage;
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$thumbCaptPath = $config['ZM_DIR_IMAGES'].'/'.$event['Event']['Id'].'-'.$captImage;
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$analImage = sprintf( "%0".$config['ZM_EVENT_IMAGE_DIGITS']."d-analyse.jpg", $frame['Frame']['FrameId'] );
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$analPath = $eventPath.'/'.$analImage;
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$analFile = $config['ZM_DIR_EVENTS']."/".$analPath;
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$thumbAnalPath = $config['ZM_DIR_IMAGES'].'/'.$event['Event']['Id'].'-'.$analImage;
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$alarmFrame = $frame['Frame']['Type']=='Alarm';
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$hasAnalImage = $alarmFrame && file_exists( $analFile ) && filesize( $analFile );
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$isAnalImage = $hasAnalImage && !$captureOnly;
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if ( !$config['ZM_WEB_SCALE_THUMBS'] || $scale >= 100 || !function_exists( 'imagecreatefromjpeg' ) ) {
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$imagePath = $thumbPath = $isAnalImage?$analPath:$captPath;
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$imageFile = $config['ZM_DIR_EVENTS']."/".$imagePath;
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$thumbFile = $config['ZM_DIR_EVENTS']."/".$thumbPath;
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} else {
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if ( version_compare( phpversion(), "4.3.10", ">=") )
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$fraction = sprintf( "%.3F", $scale/100 );
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else
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$fraction = sprintf( "%.3f", $scale/100 );
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$scale = (int)round( $scale );
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$thumbCaptPath = preg_replace( "/\.jpg$/", "-$scale.jpg", $thumbCaptPath );
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$thumbAnalPath = preg_replace( "/\.jpg$/", "-$scale.jpg", $thumbAnalPath );
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if ( $isAnalImage )
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{
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$imagePath = $analPath;
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$thumbPath = $thumbAnalPath;
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}
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else
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{
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$imagePath = $captPath;
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$thumbPath = $thumbCaptPath;
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}
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$imageFile = $config['ZM_DIR_EVENTS']."/".$imagePath;
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//$thumbFile = ZM_DIR_EVENTS."/".$thumbPath;
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$thumbFile = $thumbPath;
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if ( $overwrite || !file_exists( $thumbFile ) || !filesize( $thumbFile ) )
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{
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// Get new dimensions
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list( $imageWidth, $imageHeight ) = getimagesize( $imageFile );
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$thumbWidth = $imageWidth * $fraction;
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$thumbHeight = $imageHeight * $fraction;
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// Resample
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$thumbImage = imagecreatetruecolor( $thumbWidth, $thumbHeight );
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$image = imagecreatefromjpeg( $imageFile );
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imagecopyresampled( $thumbImage, $image, 0, 0, 0, 0, $thumbWidth, $thumbHeight, $imageWidth, $imageHeight );
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if ( !imagejpeg( $thumbImage, $thumbFile ) )
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Error( "Can't create thumbnail '$thumbPath'" );
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}
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}
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$imageData = array(
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'eventPath' => $eventPath,
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'imagePath' => $imagePath,
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'thumbPath' => $thumbPath,
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'imageFile' => $imageFile,
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'thumbFile' => $thumbFile,
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'imageClass' => $alarmFrame?"alarm":"normal",
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'isAnalImage' => $isAnalImage,
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'hasAnalImage' => $hasAnalImage,
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);
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return( $imageData );
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}
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// Take the StartTime of an Event and return
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// the path to its location on the filesystem
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public function getEventPath( $event ) {
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return $event['Event']['MonitorId'].'/'.strftime( "%y/%m/%d/%H/%M/%S", strtotime($event['Event']['StartTime']) );
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}
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}
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?>
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