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createThumbs() added to rebuild all thumbnails

This commit is contained in:
alopexc0de 2013-02-18 22:51:55 -05:00
parent a127bc2c88
commit eb52aaf7d4
1 changed files with 74 additions and 4 deletions
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78
img/helper.genthumb.php
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@ -8,7 +8,7 @@
*------------------------------------------
*/
function genthumb($imageName){
function genthumb($imageName){ // Generates one thumbnail of one picture on demand
//echo "Placeholder for automatic 100x100px thumbnail generation of new pictures<br />\n";
$nw = 100;
$nh = 100;
@ -22,7 +22,7 @@
$w = $size[0];
$h = $size[1];
switch($stype) {
switch(strtolower($stype)) {
case 'gif':
$simg = imagecreatefromgif($source);
break;
@ -40,7 +40,7 @@
$h_height = $nh/2;
$w_height = $nw/2;
if($w> $h){
if($w> $h){ // Debating weather or not to keep the cropping
$adjusted_width = $w / $hm;
$half_width = $adjusted_width / 2;
$int_width = $half_width - $w_height;
@ -54,7 +54,7 @@
imagecopyresampled($dimg,$simg,0,0,0,0,$nw,$nh,$w,$h);
}
switch($stype) {
switch(strtolower($stype)) {
case 'gif':
imagegif($dimg,$dest,100);
break;
@ -67,5 +67,75 @@
}
//imagejpeg($dimg,$dest,100);
}
function createThumbs(){ // Generates a thumbnail for every image in the Pictures directory
$pathToImages = 'Pictures/';
$pathToThumbs = 'thumbs/';
$dir = opendir( $pathToImages );
while (false !== ($fname = readdir( $dir ))) {
$info = pathinfo($pathToImages . $fname);
if ($fname == "." || $fname == "..") continue;
$nw = 100;
$nh = 100;
$source = $pathToImages.$fname;
$stype = explode(".", $source);
$stype = $stype[count($stype)-1];
echo "Creating thumbnail for {$fname}..";
$size = getimagesize($source);
$w = $size[0];
$h = $size[1];
switch(strtolower($stype)) {
case 'gif':
$simg = imagecreatefromgif($source);
break;
case 'jpg':
$simg = imagecreatefromjpeg($source);
break;
case 'png':
$simg = imagecreatefrompng($source);
break;
}
$dimg = imagecreatetruecolor($nw, $nh);
$wm = $w/$nw;
$hm = $h/$nh;
$h_height = $nh/2;
$w_height = $nw/2;
if($w> $h){ // Debating weather or not to keep the cropping
$adjusted_width = $w / $hm;
$half_width = $adjusted_width / 2;
$int_width = $half_width - $w_height;
imagecopyresampled($dimg,$simg,-$int_width,0,0,0,$adjusted_width,$nh,$w,$h);
}elseif(($w <$h) || ($w == $h)){
$adjusted_height = $h / $wm;
$half_height = $adjusted_height / 2;
$int_height = $half_height - $h_height;
imagecopyresampled($dimg,$simg,0,-$int_height,0,0,$nw,$adjusted_height,$w,$h);
}else{
imagecopyresampled($dimg,$simg,0,0,0,0,$nw,$nh,$w,$h);
}
switch(strtolower($stype)) {
case 'gif':
imagegif($dimg, "{$pathToThumbs}{$fname}" ,100);
echo ". Done. <img src='C:\\users\\c0de\\Desktop\\thumbs\\$fname'><br>\n";
break;
case 'jpg':
imagejpeg($dimg, "{$pathToThumbs}{$fname}" ,100);
echo ". Done. <img src='C:\\users\\c0de\\Desktop\\thumbs\\$fname'><br>\n";
break;
case 'png':
imagepng($dimg, "{$pathToThumbs}{$fname}" ,9);
echo ". Done. <img src='C:\\users\\c0de\\Desktop\\thumbs\\$fname'><br>\n";
break;
}
}
closedir( $dir );
}
?>