@ -178,24 +178,104 @@ if (isset($_SESSION["image_resizing"]) && $_SESSION["image_resizing"] == "resiz
// This is for viewing all the images in the slideshow as thumbnails.
$image_tag = array ();
if ($slide_id == 'all') {
$thumbnail_width = 100;
$thumbnail_height = 100;
$row_items = 4;
// Create the template_thumbnails folder (if no exist)
if (!$sys_course_path.$_course['path'].'/document'.$folder.'.thumbs/') {
@mkdir($sys_course_path.$_course['path'].'/document'.$folder.'.thumbs/', api_get_permissions_for_new_directories());
}
// Config thumbnails
$row_items = 4;
$allowed_thumbnail_types = array('jpg','jpeg','gif','png');
$max_thumbnail_width = 100;
$max_thumbnail_height = 100;
$png_compression = 0;//0(none)-9
$jpg_quality = 75;//from 0 to 100 (default is 75). More queality less compression
// check files and thumbnails
if (is_array($image_files_only)) {
foreach ($image_files_only as $one_image_file) {
$image = $sys_course_path.$_course['path'].'/document'.$folder.$one_image_file;
$image_thumbnail= $sys_course_path.$_course['path'].'/document'.$folder.'.thumbs/.'.$one_image_file;
if (file_exists($image)) {
$image_height_width = resize_image($image, $thumbnail_width, $thumbnail_height, 1);
$image_height = $image_height_width[0];
$image_width = $image_height_width[1];
$doc_url = ($path & & $path !== '/') ? $path.'/'.$one_image_file : $path.$one_image_file;
$image_tag[] = '< img src = "download.php?doc_url='.$doc_url.'" border = "0" width = "'.$image_width.'" height = "'.$image_height.'" title = "'.$one_image_file.'" > ';
}
}
}
//check thumbnail
$imagetype = explode(".", $image);
$imagetype = strtolower($imagetype[count($imagetype)-1]);
if(in_array($imagetype,$allowed_thumbnail_types)) {
if (!file_exists($image_thumbnail)){
$original_image_size = api_getimagesize($image);
switch($imagetype) {
case 'gif':
$source_img = imagecreatefromgif($image);
break;
case 'jpg':
$source_img = imagecreatefromjpeg($image);
break;
case 'png':
$source_img = imagecreatefrompng($image);
break;
}
$new_thumbnail_size = api_calculate_image_size($original_image_size['width'], $original_image_size['height'], $max_thumbnail_width, $max_thumbnail_height);
$crop = imagecreatetruecolor($new_thumbnail_size['width'], $new_thumbnail_size['height']);
// preserve transparency
if($imagetype == "png"){
imagesavealpha($crop, true);
$color = imagecolorallocatealpha($crop,0x00,0x00,0x00,127);
imagefill($crop, 0, 0, $color);
}
if($imagetype == "gif"){
$transindex = imagecolortransparent($image);
//GIF89a for transparent and anim (first clip), either GIF87a
if($transindex >= 0){
$transcol = imagecolorsforindex($image, $transindex);
$transindex = imagecolorallocatealpha($crop, $transcol['red'], $transcol['green'], $transcol['blue'], 127);
imagefill($crop, 0, 0, $transindex);
imagecolortransparent($crop, $transindex);
}
}
//resampled image
imagecopyresampled($crop,$source_img,0,0,0,0,$new_thumbnail_size['width'],$new_thumbnail_size['height'],$original_image_size['width'],$original_image_size['height']);
if($imagetype == ("jpg" || "jpeg")) {
imagejpeg($crop,$image_thumbnail,$jpg_quality);
}
if($imagetype == "png") {
imagepng($crop,$image_thumbnail,$png_compression);
}
if($imagetype == "gif"){
imagegif($crop,$image_thumbnail);
}
//clean memory
imagedestroy($crop);
}//end exist thumbnail
//show thumbnail and link
$one_image_thumbnail_file='.thumbs/.'.$one_image_file;//get path thumbnail
$doc_url = ($path & & $path !== '/') ? $path.'/'.$one_image_thumbnail_file : $path.$one_image_thumbnail_file;
$image_tag[] = '< img src = "download.php?doc_url='.$doc_url.'" border = "0" title = "'.$one_image_file.'" > ';
}
else{
//image format no support, get path original image
$image_height_width = resize_image($image, $thumbnail_width, $thumbnail_height, 1);
$image_height = $image_height_width[0];
$image_width = $image_height_width[1];
$doc_url = ($path & & $path !== '/') ? $path.'/'.$one_image_file : $path.$one_image_file;
$image_tag[] = '< img src = "download.php?doc_url='.$doc_url.'" border = "0" width = "'.$max_thumbnail_width.'" height = "'.$max_thumbnail_height.'" title = "'.$one_image_file.'" > ';
}//end allowed image types
}//end if exist file image
}//end foreach
}//end image files only
}
// Creating the table
@ -237,7 +317,6 @@ if ($slide_id != 'all') {
$height_width_tags = 'width="'.$image_width.'" height="'.$image_height.'"';
}
// Showing the comment of the image, Patrick Cool, 8 april 2005
// This is done really quickly and should be cleaned up a little bit using the API functions
$tbl_documents = Database::get_course_table(TABLE_DOCUMENT);
if ($path == '/') {
Julio Montoya
13 years ago