some initial work on uploading and cropping cover photos

1 files changed, 17 insertions, 0 deletions

diff --git a/include/photo/photo_gd.php b/include/photo/photo_gd.php
index 2ac7287e4..24bdc204f 100644
--- a/include/photo/photo_gd.php
+++ b/include/photo/photo_gd.php
@@ -108,6 +108,23 @@ class photo_gd extends photo_driver {
 		$this->setDimensions();
 	}
 
+	public function cropImageRect($maxx,$maxy,$x,$y,$w,$h) {
+		if(!$this->is_valid())
+			return FALSE;
+
+		$dest = imagecreatetruecolor( $maxx, $maxy );
+		imagealphablending($dest, false);
+		imagesavealpha($dest, true);
+		if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
+		imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $maxx, $maxy, $w, $h);
+		if($this->image)
+			imagedestroy($this->image);
+		$this->image = $dest;
+		$this->setDimensions();
+	}
+
+
+
 	public function imageString() {
 		if(!$this->is_valid())
 			return FALSE;