$size[1] = $max_height;
}
return array($size[0], $size[1]);
}
function slideshow_resizer($imagefile)
{
list($width_orig, $height_orig) = getimagesize($imagefile);
list($nuwidth, $nuheight) = slideshow_sizeme(getimagesize($imagefile));
$newImg = @imagecreatetruecolor($nuwidth, $nuheight) or die("Cannot Initialize new GD image stream");
//@unlink($imagefile);
if (eregi("\\.jpe?g\$", $imagefile)) {
$OgImg = imagecreatefromjpeg($imagefile);
ImageCopyResampled($newImg, $OgImg, 0, 0, 0, 0, $nuwidth, $nuheight, $width_orig, $height_orig);
imagejpeg($newImg, $imagefile);
} elseif (eregi("\\.png\$", $imagefile)) {
$OgImg = imagecreatefrompng($imagefile);
ImageCopyResampled($newImg, $OgImg, 0, 0, 0, 0, $nuwidth, $nuheight, $width_orig, $height_orig);
imagepng($newImg, $imagefile);
} elseif (eregi("\\.gif\$", $imagefile)) {
$OgImg = imagecreatefromgif($imagefile);
ImageCopyResampled($newImg, $OgImg, 0, 0, 0, 0, $nuwidth, $nuheight, $width_orig, $height_orig);
imagegif($newImg, $imagefile);
// Get a less pikey server ...
error('Sorry, You need to enable GD to use this module');
}
////////////////////////////////////////////////
if ($slideshow->centred) {
echo '<div align="center">';
}
//
// $slideshow->layout defines thumbnail position
// $slideshow->filename defines the position of captions. 1 is on top, 2 is bottom, 3 is on the right
if ($slideshow->layout == 0) {
// print thumbnail row
slideshow_display_thumbs($filearray);
}
if ($img_count > 0) {
list($width_orig, $height_orig) = slideshow_sizeme(getimagesize($course_dir . '/' . $showdir . '/' . $filearray[$img_num]));
echo "\n";
// process caption text
$currentimage = slideshow_filetidy($filearray[$img_num]);
if ($caption_array[$currentimage]['image'] != '') {
$captionstring = html_entity_decode($caption_array[$currentimage]['caption']);
$titlestring = $caption_array[$currentimage]['title'];
} else {
$captionstring = $currentimage;
}
//
// if there is a title, show it!
if ($titlestring) {
echo '<h1>' . $titlestring . '</h1>';
}
$plaintext = strip_tags(str_replace('<', ' <', $captionstring));
