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boinc
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Updated to use >=GD2 if available (better images) 

svn path=/trunk/boinc/; revision=5481
This commit is contained in:
Janus B. Kristensen 2005-02-20 10:16:56 +00:00
parent 5db48631f9
commit ca9f0ea0c8
2 changed files with 29 additions and 17 deletions
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9
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@ -25047,3 +25047,12 @@ David 19 Feb 2005
html/user/
(various files)
Janus 20 Feb 2005
- Made the image resize script GD2-aware. It will automatically use >=GD2
if this is available on the webserver.
This will make avatars (and whatever uses the script) look much better.
html/inc/
image.inc

37
html/inc/image.inc
View File

@ -1,14 +1,12 @@
<?php
//Scale an image using the most powerfull GD software available on the server
//while keeping aspect ratio the same
function intelligently_scale_image($sourcefile, $fw, $fh) {
$gd_info = gd_info();
$newGD = (strstr($gd_info["GD Version"], "2.0")!="");
//In order to use the default built-in GD library all imageCreateTrueColor
//has been commented out.
//If you whish to enable the advanced GD features (resamples copy for instance)
//simply switch back to the commented functions.
list($ow, $oh, $from_type) = getimagesize($sourcefile);
switch($from_type) {
case 1: // GIF
$srcImage = imageCreateFromGif($sourcefile);
@ -29,12 +27,14 @@ function intelligently_scale_image($sourcefile, $fw, $fh) {
$temph = $fh;
}
// $tempImage = imageCreateTrueColor($tempw, $temph);
// imageAntiAlias($tempImage, true);
$tempImage = imageCreate($tempw, $temph);
// imagecopyresampled($tempImage, $srcImage, 0, 0, 0, 0, $tempw, $temph, $ow, $oh);
imagecopyresized($tempImage, $srcImage, 0, 0, 0, 0, $tempw, $temph, $ow, $oh);
if ($newGD){
$tempImage = imageCreateTrueColor($tempw, $temph);
imageAntiAlias($tempImage, true);
imagecopyresampled($tempImage, $srcImage, 0, 0, 0, 0, $tempw, $temph, $ow, $oh);
} else {
$tempImage = imageCreate($tempw, $temph);
imagecopyresized($tempImage, $srcImage, 0, 0, 0, 0, $tempw, $temph, $ow, $oh);
}
// Calculate offsets
@ -46,11 +46,14 @@ function intelligently_scale_image($sourcefile, $fw, $fh) {
$offsetx = number_format(($tempw/2)-($fw/2), 0);
}
// $destImage = imageCreateTrueColor($fw, $fh);
// imagecopyresampled($destImage, $tempImage, 0, 0, $offsetx, $offsety, $fw, $fh, $fw, $fh);
$destImage = imageCreate($fw, $fh);
imagecopyresized($destImage, $tempImage, 0, 0, $offsetx, $offsety, $fw, $fh, $fw, $fh);
if ($newGD){
$destImage = imageCreateTrueColor($fw, $fh);
imageAntiAlias($tempImage, true);
imagecopyresampled($destImage, $tempImage, 0, 0, $offsetx, $offsety, $fw, $fh, $fw, $fh);
} else {
$destImage = imageCreate($fw, $fh);
imagecopyresized($destImage, $tempImage, 0, 0, $offsetx, $offsety, $fw, $fh, $fw, $fh);
}
return $destImage; //imageJpeg($destImage, $destfile, $jpegquality);
}