PhotoMosaic: allow sets of three portraits.

models/PhotoMosaic.php

@@ -115,6 +115,10 @@ class PhotoMosaic
 		// Sort photos by priority and date captured.
 		usort($photos, 'self::orderPhotos');
 
+		// Three portraits?
+		if ($num_portrait === 3)
+			return [$photos, 'portraits'];
+
 		// At least one portrait?
 		if ($num_portrait >= 1)
 		{

templates/PhotosIndex.php

@@ -241,4 +241,24 @@ class PhotosIndex extends SubTemplate
 		echo '
 				</div>';
 	}
+
+	protected function portraits(array $photos)
+	{
+		echo '
+				<div class="tiled_row">';
+
+		foreach ($photos as $image)
+		{
+			echo '
+					<div style="border-color: #', $this->color($image), '" class="portrait">';
+
+			$this->photo($image, static::PORTRAIT_WIDTH, static::PORTRAIT_HEIGHT, true);
+
+			echo '
+					</div>';
+		}
+
+		echo '
+				</div>';
+	}
 }