10 Good (Free and Legal) Source for Photos and Images
Author: donald | Filed under: quick picksDays of text sites are long over. Nowadays, you can hardly find a good site without the use of appropriate photos, images and artwork. However, some web designer resort into using others’ work by using google image search. Using those images is often illegal and they are not the best images anyway. Here are a dozen sites that are better and legal.
1. Flickr Creative Commons
One of the site which I visited often for good quality photo is Flickr. It has a huge selection of photos mane of which are protected under the Creative Commons which means you can use them legally as long as you attribute the photographer.
2. Stock Exchange
I also frequent sxc.hu for stock photo as it is the best I have used thus far. But be careful. The first row are premium photos and it cost money. Clicking on them will take you to a different site where you have to pay.
3. IconsPedia.com
If you are looking for icons to doll up your site, Icons Predia is the place to go. If you want to add a cool Twitter Bird to your website, this is the first place to look.
4. EveryStockPhoto.com
Every Stock Photo searches several other stock image sites for you. Well, it literally search all the photos regardless of ‘appropriateness’. Hence, you might be in for some ‘dirty treats’.
5. NASA
At Savant Degrees, many of us are geeks, so we talk about science fiction, spaceships among other things. I’m not sure how this happened but if the U.S. government takes a photo they often release it into the public domain. If you want high quality technology or space photos you can’t do much better than NASA.
6. FreeDigitalPhotos.net
Freedigitalphotos.net has high quality photos but the selection is not great and the terms of use require a link back to use the photo for free.
7. FreeStockPhotos.com
Not only does Free Stock Photos have some great nature photos it also has a list of over a dozen other free stock photo sources.
8. MorgueFile.com
Morgue File has many photos that you are free to use commercially without attributing the photographer. However, they are not exactly stock photos but more of good snapshots.
9. StockVault.net
StockVault has 13,000+ high quality stock photos. The photos are high quality but low selection. The site does not offer safe search so use it at your own risk.
10. HistoricalStockPhotos.com
If you want vintage photos Historical Stock Photos is the site for you. Colorwise, don’t expect too much.
Hope this post help! Do recommend more sites by leaving a comment below!
HOWTO: PHP image resize, centered and cropped
Author: gaweee | Filed under: development, howtoSorry for not posting in such a long time folks, i just came back from the Pegasus galaxy. While working on a Joomla! 1.5 project, we had to develop a function to crop and resize images for obvious content management and aesthetic reasons. So i gathered around some good sources on PHP.net and wrote the following class:
class ImageHelper { static function treatFilename($filename) { $newfilename = strtolower($filename); $newfilename = str_replace(" ","_",$newfilename); return $newfilename; } static function isPotrait($srcimage) { if (!file_exists(realpath($srcimage))) return; return !ImageHelper::isLandscape($srcimage); } static function isLandscape($srcimage) { if (!file_exists(realpath($srcimage))) return; $size = getimagesize( $srcimage ); return ($size[0] > $size[1]); } static function resizeImage($srcimage, $destimage, $width, $height) { if (!file_exists(realpath($srcimage))) return; $srcpathinfo = pathinfo($srcimage); $srcext = strtolower($srcpathinfo['extension']); $destpathinfo = pathinfo($destimage); $destext = strtolower($destpathinfo['extension']); $size = getimagesize( $srcimage ); // Get the size of the original image into an array [0]=> width, [1]=> height $image = null; $canvas = imagecreatetruecolor( $width, $height ); // Prepare canvas // Create a new image in the memory from the file switch ($srcext) { case 'wbmp': case 'bmp': $image = imagecreatefromwbmp($srcimage); break; case 'jpg': case 'jpeg': $image = imagecreatefromjpeg($srcimage); break; case 'png': $image = imagecreatefrompng($srcimage); break; case 'gif': $image = imagecreatefromgif($srcimage); break; case 'xpm': $image = imagecreatefromxpm($srcimage); break; default: return; } // Calculate dimensions $widthratio = $size[0]/$width; $heightratio = $size[1]/$height; $dimensions = array( 'ratio' => $widthratio, 'source_cropwidth' => 0, 'source_cropheight' => 0, 'source_offsetx' => 0, 'source_offsety' => 0 ); if ($heightratio < $widthratio) $dimensions['ratio'] = $heightratio; // let say image is 1200*800, then: // widthratio = 1200/400 = 3 // heightratio = 800/300 = 2.66 // since there is less height than width, the max scale we can do is 2.66, then // the targetwidth to crop = 400 * 2.66 // the targetheight to crop = 300 * 2.66 // the offset width = (1200 - (2.66 * 400))/2 = 68 // the offset height = (800 - (2.66 * 300))/2 = 1 $dimensions['source_width'] = $size[0]; $dimensions['source_height'] = $size[1]; $dimensions['source_cropwidth'] = $width * $dimensions['ratio']; $dimensions['source_cropheight'] = $height * $dimensions['ratio']; $dimensions['source_offsetx'] = ($size[0] - $dimensions['source_cropwidth']) / 2; $dimensions['source_offsety'] = ($size[1] - $dimensions['source_cropheight']) / 2; imagecopyresampled($canvas, $image, 0, 0, $dimensions['source_offsetx'], $dimensions['source_offsety'], $width, $height, $dimensions['source_cropwidth'], $dimensions['source_cropheight']); switch ($destext) { case 'jpg': case 'jpeg': imagejpeg( $canvas, $destimage ); break; case 'png': imagepng( $canvas, $destimage ); break; case 'gif': imagegif( $canvas, $destimage ); break; case 'wbmp': case 'bmp': imagewbmp( $canvas, $destimage ); break; } imagedestroy( $canvas ); imagedestroy( $image ); return true; } }
$width = 150; $height = 150; if (is_uploaded_file(@$_FILES['ulimage']['tmp_name'])){ $targetfilename = ImageHelper::treatFilename(uniqid() . "_" . $_FILES['ulimage']['name']); move_uploaded_file($_FILES['ulimage']['tmp_name'], dirname(__FILE__) . "/tmp/" . $_FILES['ulimage']['name']); ImageHelper::resizeImage(dirname(__FILE__) . "/tmp/" . @$_FILES['ulimage']['name'], dirname(__FILE__) . "/tmp/" . $targetfilename, $width, $height); }
The reason you need to save the file first is for the imageResize function to infer the image type off its extension. I hadnt bothered to create an image type override.
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