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<?PHP // $Id$
$USER_SMALL_CLASS = 20; // Below this is considered small
$USER_LARGE_CLASS = 200; // Above this is considered large
$USER_HUGE_CLASS = 500; // Above this is considered too many to display
/// FUNCTIONS ///////////////////////////////////////////////////////////
function ImageCopyBicubic ($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h) {
global $CFG;
if (function_exists("ImageCopyResampled") and $CFG->gdversion >= 2) {
return ImageCopyResampled($dst_img, $src_img, $dst_x, $dst_y, $src_x, $src_y,
$dst_w, $dst_h, $src_w, $src_h);
}
$totalcolors = imagecolorstotal($src_img);
for ($i=0; $i<$totalcolors; $i++) {
if ($colors = ImageColorsForIndex($src_img, $i)) {
ImageColorAllocate($dst_img, $colors['red'], $colors['green'], $colors['blue']);
}
}
$scaleX = ($src_w - 1) / $dst_w;
$scaleY = ($src_h - 1) / $dst_h;
$scaleX2 = $scaleX / 2.0;
$scaleY2 = $scaleY / 2.0;
for ($j = 0; $j < $dst_h; $j++) {
$sY = $j * $scaleY;
for ($i = 0; $i < $dst_w; $i++) {
$sX = $i * $scaleX;
$c1 = ImageColorsForIndex($src_img,ImageColorAt($src_img,(int)$sX,(int)$sY+$scaleY2));
$c2 = ImageColorsForIndex($src_img,ImageColorAt($src_img,(int)$sX,(int)$sY));
$c3 = ImageColorsForIndex($src_img,ImageColorAt($src_img,(int)$sX+$scaleX2,(int)$sY+$scaleY2));
$c4 = ImageColorsForIndex($src_img,ImageColorAt($src_img,(int)$sX+$scaleX2,(int)$sY));
$red = (int) (($c1['red'] + $c2['red'] + $c3['red'] + $c4['red']) / 4);
$green = (int) (($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) / 4);
$blue = (int) (($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue']) / 4);
$color = ImageColorClosest ($dst_img, $red, $green, $blue);
ImageSetPixel ($dst_img, $i + $dst_x, $j + $dst_y, $color);
}
}
}
function save_user_image($userid, $filename) {
// Given a filename to a known image, this function scales and crops
// it and saves it in the right place to be a user image.
global $CFG;
$imageinfo = GetImageSize($filename);
$image->width = $imageinfo[0];
$image->height = $imageinfo[1];
$image->type = $imageinfo[2];
switch ($image->type) {
case 2: $im = ImageCreateFromJPEG($filename); break;
case 3: $im = ImageCreateFromPNG($filename); break;
default: return 0;
}
if (function_exists("ImageCreateTrueColor") and $CFG->gdversion >= 2) {
$im1 = ImageCreateTrueColor(100,100);
$im2 = ImageCreateTrueColor(35,35);
} else {
$im1 = ImageCreate(100,100);
$im2 = ImageCreate(35,35);
}
$cx = $image->width / 2;
$cy = $image->height / 2;
if ($image->width < $image->height) {
$half = floor($image->width / 2.0);
} else {
$half = floor($image->height / 2.0);
}
if (!file_exists("$CFG->dataroot/users")) {
if (! mkdir("$CFG->dataroot/users", 0777)) {
$badpermissions = true;
}
}
if (!file_exists("$CFG->dataroot/users/$userid")) {
if (! mkdir("$CFG->dataroot/users/$userid", 0777)) {
$badpermissions = true;
}
}
if ($badpermissions) {
return 0;
} else {
ImageCopyBicubic($im1, $im, 0, 0, $cx-$half, $cy-$half, 100, 100, $half*2, $half*2);
ImageCopyBicubic($im2, $im, 0, 0, $cx-$half, $cy-$half, 35, 35, $half*2, $half*2);
// Draw borders over the top.
$black1 = ImageColorAllocate ($im1, 0, 0, 0);
$black2 = ImageColorAllocate ($im2, 0, 0, 0);
ImageLine ($im1, 0, 0, 0, 99, $black1);
ImageLine ($im1, 0, 99, 99, 99, $black1);
ImageLine ($im1, 99, 99, 99, 0, $black1);
ImageLine ($im1, 99, 0, 0, 0, $black1);
ImageLine ($im2, 0, 0, 0, 34, $black2);
ImageLine ($im2, 0, 34, 34, 34, $black2);
ImageLine ($im2, 34, 34, 34, 0, $black2);
ImageLine ($im2, 34, 0, 0, 0, $black2);
if (ImageJpeg($im1, "$CFG->dataroot/users/$userid/f1.jpg", 90) and
ImageJpeg($im2, "$CFG->dataroot/users/$userid/f2.jpg", 95) ) {
return 1;
} else {
return 0;
}
}
}
function print_user($user, $course, $string) {
global $USER, $COUNTRIES;
echo "<TABLE WIDTH=80% ALIGN=CENTER BORDER=0 CELLPADDING=1 CELLSPACING=1><TR><TD BGCOLOR=#888888>";
echo "<TABLE WIDTH=100% BORDER=0 CELLPADDING=5 CELLSPACING=0><TR>";
echo "<TD WIDTH=100 BGCOLOR=#FFFFFF VALIGN=top>";
print_user_picture($user->id, $course->id, $user->picture, true);
echo "</A>";
echo "</TD><TD WIDTH=100% BGCOLOR=#FFFFFF VALIGN=top>";
echo "<FONT SIZE=-1>";
echo "<FONT SIZE=3><B>$user->firstname $user->lastname</B></FONT>";
echo "<P>";
if ($user->role and ($user->role <> $course->teacher)) {
echo "$string->role: $user->role<BR>";
}
if ($user->maildisplay == 1 or ($user->maildisplay == 2 and $course->category) or isteacher($course->id)) {
echo "$string->email: <A HREF=\"mailto:$user->email\">$user->email</A><BR>";
}
echo "$string->location: $user->city, ".$COUNTRIES["$user->country"]."<BR>";
if ($user->lastaccess) {
echo "$string->lastaccess: ".userdate($user->lastaccess);
echo "&nbsp (".format_time(time() - $user->lastaccess, $string).")";
} else {
echo "$string->lastaccess: $string->never";
}
echo "</TD><TD VALIGN=bottom BGCOLOR=#FFFFFF NOWRAP>";
echo "<FONT SIZE=1>";
if (isteacher($course->id)) {
$timemidnight = usergetmidnight(time());
echo "<A HREF=\"../course/user.php?id=$course->id&user=$user->id\">$string->activity</A><BR>";
if (isstudent($course->id, $user->id)) {
echo "<A HREF=\"../course/unenrol.php?id=$course->id&user=$user->id\">$string->unenrol</A><BR>";
echo "<A HREF=\"../course/loginas.php?id=$course->id&user=$user->id\">$string->loginas</A><BR>";
}
}
echo "<A HREF=\"view.php?id=$user->id&course=$course->id\">$string->fullprofile...</A>";
echo "</FONT>";
echo "</TD></TR></TABLE></TD></TR></TABLE>";
}
?>
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