image_w = $image_info[0]; $this->image_h = $image_info[1]; $this->image_type = $image_info[2]; if( $this->image_type == IMAGETYPE_JPEG ) { $this->image = imagecreatefromjpeg($filename); } elseif( $this->image_type == IMAGETYPE_GIF ) { $this->image = imagecreatefromgif($filename); } elseif( $this->image_type == IMAGETYPE_PNG ) { $this->image = imagecreatefrompng($filename); } } function save($filename, $image_type=IMAGETYPE_JPEG, $compression=75, $permissions=null) { if( $image_type == IMAGETYPE_JPEG ) { imagejpeg($this->image,$filename,$compression); } elseif( $image_type == IMAGETYPE_GIF ) { imagegif($this->image,$filename); } elseif( $image_type == IMAGETYPE_PNG ) { $new_image = imagecreatetruecolor($this->getWidth(), $this->getHeight()); // need this for transparent png to work imagealphablending($new_image, false); imagesavealpha($new_image,true); $transparent = imagecolorallocatealpha($new_image, 255, 255, 255, 127); imagefilledrectangle($new_image, 0, 0, $this->getWidth(), $this->getHeight(), $transparent); imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $this->getWidth(), $this->getHeight(), $this->getWidth(), $this->getHeight()); imagepng($new_image,$filename); } if( $permissions != null) { chmod($filename,$permissions); } } function output($image_type=IMAGETYPE_JPEG) { if( $image_type == IMAGETYPE_JPEG ) { imagejpeg($this->image); } elseif( $image_type == IMAGETYPE_GIF ) { imagegif($this->image); } elseif( $image_type == IMAGETYPE_PNG ) { imagepng($this->image); } } function getWidth() { return imagesx($this->image); } function getHeight() { return imagesy($this->image); } function resizeToHeight($height) { $ratio = $height / $this->getHeight(); $width = $this->getWidth() * $ratio; $this->resize($width,$height); } function resizeToWidth($width) { $ratio = $width / $this->getWidth(); $height = $this->getHeight() * $ratio; $this->resize($width,$height); } function scale($scale) { $width = $this->getWidth() * $scale/100; $height = $this->getHeight() * $scale/100; $this->resize($width,$height); } function resizeProporsional($newsize) { $height = $this->getHeight(); $width = $this->getWidth(); if($height>$width) { $this->resizeToHeight($newsize); } else { $this->resizeToWidth($newsize); } } function resize($width,$height) { $new_image = imagecreatetruecolor($width, $height); /* Check if this image is PNG or GIF, then set if Transparent*/ if(($this->image_type == IMAGETYPE_GIF) || ($this->image_type==IMAGETYPE_PNG)){ imagealphablending($new_image, false); imagesavealpha($new_image,true); $transparent = imagecolorallocatealpha($new_image, 255, 255, 255, 127); imagefilledrectangle($new_image, 0, 0, $width, $height, $transparent); } imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight()); $this->image = $new_image; } } ?> <?=$title?>