function process_form()
{
$angle = required_param('angle', PARAM_INT);
$info = lightboxgallery_image_info($this->imagepath);
if ($im = lightboxgallery_imagecreatefromtype($info->imagesize[2], $this->imagepath)) {
$rotated = imagerotate($im, $angle, 0);
$this->save_image_resource($rotated, $info->imagesize[2]);
}
}
function output()
{
$info = lightboxgallery_image_info($this->imagepath);
$result = get_string('selectthumbpos', 'lightboxgallery') . '<br /><br />';
if ($info->imagesize[0] < $info->imagesize[1]) {
$result .= '<label><input type="radio" name="move" value="1" />' . get_string('dirup', 'lightboxgallery') . '</label> ' . '<label><input type="radio" name="move" value="2" />' . get_string('dirdown', 'lightboxgallery') . '</label>';
} else {
$result .= '<label><input type="radio" name="move" value="3" />' . get_string('dirleft', 'lightboxgallery') . '</label> ' . '<label><input type="radio" name="move" value="4" />' . get_string('dirright', 'lightboxgallery') . '</label>';
}
$result .= '<br /><br />' . get_string('thumbnailoffset', 'lightboxgallery') . ': <input type="text" name="offset" value="20" size="4" /><br /><br />' . '<input type="submit" value="' . get_string('move') . '" /> <input type="submit" name="reset" value="' . get_string('reset') . '" />';
return $this->enclose_in_form($result);
}
function process_form()
{
$x1 = required_param('x1', PARAM_INT);
$y1 = required_param('y1', PARAM_INT);
$x2 = required_param('x2', PARAM_INT);
$y2 = required_param('y2', PARAM_INT);
$width = $x2 - $x1;
$height = $y2 - $y1;
$info = lightboxgallery_image_info($this->imagepath);
if ($width > 0 && $height > 0) {
if ($image = lightboxgallery_imagecreatefromtype($info->imagesize[2], $this->imagepath)) {
$cropped = lightboxgallery_image_create($width, $height);
imagecopybicubic($cropped, $image, 0, 0, $x1, $y1, $width, $height, $width, $height);
$this->save_image_resource($cropped, $info->imagesize[2]);
}
}
}
function process_form()
{
$button = required_param('button', PARAM_TEXT);
switch ($button) {
case $this->buttonresize:
$size = required_param('size', PARAM_INT);
list($width, $height) = explode('x', $this->resizeoptions[$size]);
break;
case $this->buttonscale:
$scale = required_param('scale', PARAM_INT);
$imagesize = getimagesize($this->imagepath);
$width = $imagesize[0] * ($scale / 100);
$height = $imagesize[1] * ($scale / 100);
break;
}
$info = lightboxgallery_image_info($this->imagepath);
if ($im = lightboxgallery_imagecreatefromtype($info->imagesize[2], $this->imagepath)) {
$resized = lightboxgallery_resize_image($im, $info, $width, $height);
$this->save_image_resource($resized, $info->imagesize[2]);
}
}
function process_form()
{
global $CFG;
$mode = required_param('mode', PARAM_INT);
$info = lightboxgallery_image_info($this->imagepath);
$w = $info->imagesize[0];
$h = $info->imagesize[1];
if ($im = lightboxgallery_imagecreatefromtype($info->imagesize[2], $this->imagepath)) {
$truecolor = (function_exists('ImageCreateTrueColor') and $CFG->gdversion >= 2);
$flipped = $truecolor ? ImageCreateTrueColor($w, $h) : ImageCreate($w, $h);
if ($mode & FLIP_VERTICAL) {
if ($truecolor) {
for ($x = 0; $x < $w; $x++) {
for ($y = 0; $y < $h; $y++) {
imagecopy($flipped, $im, $w - $x - 1, $y, $x, $y, 1, 1);
}
}
} else {
for ($y = 0; $y < $h; $y++) {
imagecopy($flipped, $im, 0, $y, 0, $h - $y - 1, $w, 1);
}
}
}
if ($mode & FLIP_HORIZONTAL) {
if ($truecolor) {
for ($x = 0; $x < $w; $x++) {
for ($y = 0; $y < $h; $y++) {
imagecopy($flipped, $im, $x, $h - $y - 1, $x, $y, 1, 1);
}
}
} else {
for ($x = 0; $x < $w; $x++) {
imagecopy($flipped, $im, $x, 0, $w - $x - 1, 0, 1, $h);
}
}
}
$this->save_image_resource($flipped, $info->imagesize[2]);
}
}
$textlib = textlib_get_instance();
$edittypes = $editing ? lightboxgallery_edit_types() : null;
foreach ($images as $image) {
$imageextra = '';
$imageurl = $webroot . '/' . $image;
$imagelocal = $dataroot . '/' . $image;
$imagelabel = $textlib->strlen($image) > MAX_IMAGE_LABEL ? $textlib->substr($image, 0, MAX_IMAGE_LABEL) . '...' : $image;
if ($edittypes) {
$imageextra = '<form action="' . $CFG->wwwroot . '/mod/lightboxgallery/imageedit.php" method="get">' . '<input type="hidden" name="id" value="' . $gallery->id . '" />' . '<input type="hidden" name="image" value="' . $image . '" />' . '<input type="hidden" name="page" value="' . $page . '" />' . '<select name="tab" class="lightbox-edit-select" onchange="submit();">' . '<option>' . get_string('choose') . '...</option>';
foreach ($edittypes as $editoption => $editdisplay) {
$imageextra .= '<option value="' . $editoption . '">' . $editdisplay . '</option>';
}
$imageextra .= '</select></form>';
} else {
if ($gallery->extinfo) {
$iobj = lightboxgallery_image_info($imagelocal);
$imageextra = sprintf('<br />%s<br />%s, %dx%d', $iobj->modified, $iobj->filesize, $iobj->imagesize[0], $iobj->imagesize[1]);
}
}
$imagetitle = isset($captions[$image]) ? $captions[$image] : $image;
echo '<div class="lightboxgalleryimage" style="float:right;padding:7px;"><a href="' . $imageurl . '" rel="lightbox[' . $gallery->name . ']" title="' . $imagetitle . '">' . lightboxgallery_image_thumbnail($course->id, $gallery, $image) . '</a><br />' . $imagelabel . $imageextra . '</div>';
}
} else {
print_string('errornoimages', 'lightboxgallery');
}
print_simple_box_end();
if ($gallery->perpage) {
print_paging_bar(count($allimages), $page, $gallery->perpage, $CFG->wwwroot . '/mod/lightboxgallery/view.php?id=' . $cm->id . '&' . ($editing ? 'editing=1&' : ''));
}
$showtags = !in_array('tag', explode(',', get_config('lightboxgallery', 'disabledplugins')));
if (!$editing && $showtags) {
function lightboxgallery_image_thumbnail($courseid, $gallery, $file, $offsetx = 0, $offsety = 0)
{
global $CFG;
// If anything fails when retrieving the thumbnail, we'll fallback to just printing a label
$fallback = '[' . $file . ']';
$oldpath = $CFG->dataroot . '/' . $courseid . '/' . $gallery->folder . '/' . $file;
$newpath = $courseid . '/' . $gallery->folder . '/_thumb/' . $file . '.jpg';
if (empty($CFG->gdversion)) {
return $fallback;
}
umask(00);
if (file_exists($CFG->dataroot . '/' . $newpath)) {
return lightboxgallery_make_img(lightboxgallery_get_image_url($gallery->id, $file, true));
} else {
$thumbdir = $CFG->dataroot . '/' . dirname($newpath);
if (!file_exists($thumbdir) && !mkdir($thumbdir, $CFG->directorypermissions)) {
return $fallback;
}
}
$info = lightboxgallery_image_info($oldpath);
if (!($im = lightboxgallery_imagecreatefromtype($info->imagesize[2], $oldpath))) {
return $fallback;
}
$thumb = lightboxgallery_resize_image($im, $info, THUMB_WIDTH, THUMB_HEIGHT, $offsetx, $offsety);
if (function_exists('ImageJpeg')) {
@touch($CFG->dataroot . '/' . $newpath);
if (ImageJpeg($thumb, $CFG->dataroot . '/' . $newpath, 90)) {
@chmod($CFG->dataroot . '/' . $newpath, 0666);
return lightboxgallery_make_img(lightboxgallery_get_image_url($gallery->id, $file, true));
}
} else {
return $fallback;
}
}
if (isset($formdata->caption) && trim($formdata->caption) != '') {
lightboxgallery_set_image_caption($gallery->id, $filename, $formdata->caption);
$messages[] = get_string('edit_caption', 'lightboxgallery') . ': ' . $formdata->caption;
}
$resizeoption = 0;
if (in_array($gallery->autoresize, array(AUTO_RESIZE_UPLOAD, AUTO_RESIZE_BOTH))) {
$resizeoption = $gallery->resize;
} else {
if (isset($formdata->resize)) {
$resizeoption = $formdata->resize;
}
}
if ($resizeoption > 0) {
$resizeoptions = lightboxgallery_resize_options();
$fullpath = $CFG->dataroot . '/' . $uploaddir . '/' . $filename;
$info = lightboxgallery_image_info($fullpath);
if ($im = lightboxgallery_imagecreatefromtype($info->imagesize[2], $fullpath)) {
list($width, $height) = explode('x', $resizeoptions[$resizeoption]);
if ($resized = lightboxgallery_resize_image($im, $info, $width, $height)) {
switch ($info->imagesize[2]) {
case 1:
$function = 'ImageGIF';
break;
case 2:
$function = 'ImageJPEG';
break;
case 3:
$function = 'ImagePNG';
break;
}
if (function_exists($function)) {
