add php-doc

This commit is contained in:
Jörn Friedrich Dreyer 2012-11-12 11:39:04 +01:00
parent 43bfabf68f
commit bb56581192
1 changed files with 23 additions and 6 deletions

View File

@ -20,10 +20,21 @@
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
//From http://www.programmierer-forum.de/imagebmp-gute-funktion-gefunden-t143716.htm
if ( ! function_exists( 'imagebmp') ) {
/**
* Output a BMP image to either the browser or a file
* @link http://www.ugia.cn/wp-data/imagebmp.php
* @author legend <legendsky@hotmail.com>
* @link http://www.programmierer-forum.de/imagebmp-gute-funktion-gefunden-t143716.htm
* @author mgutt <marc@gutt.it>
* @version 1.00
* @param resource $image
* @param string $filename [optional] <p>The path to save the file to.</p>
* @param int $bit [optional] <p>Bit depth, (default is 24).</p>
* @param int $compression [optional]
* @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
*/
function imagebmp($im, $filename='', $bit=24, $compression=0) {
// version 1.00
if (!in_array($bit, array(1, 4, 8, 16, 24, 32))) {
$bit = 24;
}
@ -130,7 +141,6 @@ if ( ! function_exists( 'imagebmp') ) {
}
}
//From user comments at http://dk2.php.net/manual/en/function.exif-imagetype.php
if ( ! function_exists( 'exif_imagetype' ) ) {
function exif_imagetype ( $filename ) {
@ -636,9 +646,16 @@ class OC_Image {
}
}
//From http://www.programmierer-forum.de/function-imagecreatefrombmp-laeuft-mit-allen-bitraten-t143137.htm
/**
* Create a new image from file or URL
* @link http://www.programmierer-forum.de/function-imagecreatefrombmp-laeuft-mit-allen-bitraten-t143137.htm
* @version 1.00
* @param string $filename <p>
* Path to the BMP image.
* </p>
* @return resource an image resource identifier on success, <b>FALSE</b> on errors.
*/
private function imagecreatefrombmp($filename) {
// version 1.00
if (!($fh = fopen($filename, 'rb'))) {
trigger_error('imagecreatefrombmp: Can not open ' . $filename, E_USER_WARNING);
return false;
@ -658,7 +675,7 @@ class OC_Image {
}
// set bytes and padding
$meta['bytes'] = $meta['bits'] / 8;
$this->bit_depth = $meta['bits'];
$this->bit_depth = $meta['bits']; //remember the bit depth for the imagebmp call
$meta['decal'] = 4 - (4 * (($meta['width'] * $meta['bytes'] / 4)- floor($meta['width'] * $meta['bytes'] / 4)));
if ($meta['decal'] == 4) {
$meta['decal'] = 0;