protected function modify($image, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h)
    {
        // create new image
        $modified = imagecreatetruecolor($dst_w, $dst_h);

        // get current image
        $resource = $image->getCore();

        // preserve transparency
        $transIndex = imagecolortransparent($resource);

        if ($transIndex != -1) {
            $rgba = imagecolorsforindex($modified, $transIndex);
            $transColor = imagecolorallocatealpha($modified, $rgba['red'], $rgba['green'], $rgba['blue'], 127);
            imagefill($modified, 0, 0, $transColor);
            imagecolortransparent($modified, $transColor);
        } else {
            imagealphablending($modified, false);
            imagesavealpha($modified, true);
        }

        // copy content from resource
        $result = imagecopyresampled(
            $modified,
            $resource,
            $dst_x,
            $dst_y,
            $src_x,
            $src_y,
            $dst_w,
            $dst_h,
            $src_w,
            $src_h
        );

        // set new content as recource
        $image->setCore($modified);

        return $result;
    }
protected function modify($image, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h)
    {
        // create new image
        $modified = imagecreatetruecolor($dst_w, $dst_h);

        // get current image
        $resource = $image->getCore();

        // preserve transparency
        $transIndex = imagecolortransparent($resource);

        if ($transIndex != -1) {
            $rgba = imagecolorsforindex($modified, $transIndex);
            $transColor = imagecolorallocatealpha($modified, $rgba['red'], $rgba['green'], $rgba['blue'], 127);
            imagefill($modified, 0, 0, $transColor);
            imagecolortransparent($modified, $transColor);
        } else {
            imagealphablending($modified, false);
            imagesavealpha($modified, true);
        }

        // copy content from resource
        $result = imagecopyresampled(
            $modified,
            $resource,
            $dst_x,
            $dst_y,
            $src_x,
            $src_y,
            $dst_w,
            $dst_h,
            $src_w,
            $src_h
        );

        // set new content as recource
        $image->setCore($modified);

        return $result;
    }
protected function modify ( $ image , $ dst_x , $ dst_y , $ src_x , $ src_y , $ dst_w , $ dst_h , $ src_w , $ src_h ) { // create new image $ modified = imagecreatetruecolor ( $ dst_w , $ dst_h ) ; // get current image $ resource = $ image -> getCore ( ) ; // preserve transparency $ transIndex = imagecolortransparent ( $ resource ) ; if ( $ transIndex != - 1 ) { $ rgba = imagecolorsforindex ( $ modified , $ transIndex ) ; $ transColor = imagecolorallocatealpha ( $ modified , $ rgba [ 'red' ] , $ rgba [ 'green' ] , $ rgba [ 'blue' ] , 127 ) ; imagefill ( $ modified , 0 , 0 , $ transColor ) ; imagecolortransparent ( $ modified , $ transColor ) ; } else { imagealphablending ( $ modified , false ) ; imagesavealpha ( $ modified , true ) ; } // copy content from resource $ result = imagecopyresampled ( $ modified , $ resource , $ dst_x , $ dst_y , $ src_x , $ src_y , $ dst_w , $ dst_h , $ src_w , $ src_h ) ; // set new content as recource $ image -> setCore ( $ modified ) ; return $ result ; }
Wrapper function for 'imagecopyresampled'

@param  Image   $image
@param  int     $dst_x
@param  int     $dst_y
@param  int     $src_x
@param  int     $src_y
@param  int     $dst_w
@param  int     $dst_h
@param  int     $src_w
@param  int     $src_h
@return boolean
Wrapper function for imagecopyresampled