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Make JPG files using GD so it handles transaprency, but keep making the GIF/PNG's from convert binary

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This commit is contained in:
james 2010-06-09 19:23:27 +00:00
parent d1c607f575
commit 703cc18425
1 changed files with 32 additions and 22 deletions
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54
config/images.php
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@ -34,22 +34,8 @@ if($_POST['action']=="addimage") {
if($_FILES['image']['error']==UPLOAD_ERR_OK) {
//make sure its a JPEG
$imagesize=getimagesize($_FILES['image']['tmp_name']);
if($imagesize[2]==1 || $imagesize[2]==2 || $imagesize[2]==3) // GIF or JPG or PNG
{
/* Here's how to do it with GD, if GD didn't absolutely suck at
* resizing an image (thought I'd try it again, Mar30, 2010, still sucks).
$image_data = file_get_contents($_FILES['image']['tmp_name']);
$image = imagecreatefromstring($image_data);
$w = imagesx($image);
$h = imagesy($image);
$ratio = $h / $w;
$image100 = imagecreate(100, $ratio * 100);
imagecopyresampled($image100, $image, 0, 0, 0, 0, 100, $ratio * 100, $w, $h);
imagejpeg($image100, "../data/logo-100.jpg");*/
// GIF or JPG or PNG
if($imagesize[2]==1 || $imagesize[2]==2 || $imagesize[2]==3) {
echo notice(i18n("Creating sized logo files:<br />&nbsp;logo-100.gif<br />&nbsp;logo-200.gif<br />&nbsp;logo-500.gif<br />&nbsp;logo.gif"));
//Make the gif's
@ -76,16 +62,40 @@ if($_POST['action']=="addimage") {
echo error(i18n("Error creating PNG Image files. Make sure 'convert' binary is in your path, and that 'system' function can be used"));
echo notice(i18n("Creating sized logo files:<br />&nbsp;logo-100.jpg<br />&nbsp;logo-200.jpg<br />&nbsp;logo-500.jpg<br />&nbsp;logo.jpg"));
//make some PNG's as well
system("convert -resize 100 \"".$_FILES['image']['tmp_name']."\" ../data/logo-100.jpg");
system("convert -resize 200 \"".$_FILES['image']['tmp_name']."\" ../data/logo-200.jpg");
system("convert -resize 500 \"".$_FILES['image']['tmp_name']."\" ../data/logo-500.jpg");
system("convert \"".$_FILES['image']['tmp_name']."\" ../data/logo.jpg");
/*
We do the JPG ones with GD, so we can force the transparency layer if its converting from
a GIF or PNG that has a transparency.
*/
$image_data = file_get_contents($_FILES['image']['tmp_name']);
$image = imagecreatefromstring($image_data);
$w = imagesx($image);
$h = imagesy($image);
$ratio = $h / $w;
$sizes=array(100,200,500);
foreach($sizes AS $s) {
$image100 = imagecreate($s, round($ratio * $s));
// imageantialias($image100,true);
imagecolorallocate($image100,255,255,255);
imagecolortransparent($image100,0);
imagecopyresized($image100, $image, 0, 0, 0, 0, $s, round($ratio * $s), $w, $h);
imagejpeg($image100, "../data/logo-$s.jpg",95);
imagedestroy($image100);
}
$imageorig=imagecreate($w,$h);
imagecolorallocate($imageorig,255,255,255);
imagecolortransparent($imageorig,0);
imagecopy($imageorig, $image, 0, 0, 0, 0,$w,$h);
imagejpeg($imageorig, "../data/logo.jpg",95);
imagedestroy($imageorig);
if(file_exists("../data/logo-100.jpg") && file_exists("../data/logo-200.jpg") && file_exists("../data/logo-500.jpg") && file_exists("../data/logo.jpg"))
echo happy(i18n("JPG Images successfully created"));
else
echo error(i18n("Error creating JPG Image files. Make sure 'convert' binary is in your path, and that 'system' function can be used"));
echo error(i18n("Error creating JPG Image files. You need the GD library available in PHP to make the JPG files"));
}
else
{