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problem with gd

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Join Date: Aug 2008

Posts: 11

Reputation: Coward is an unknown quantity at this point

Solved Threads: 0

Coward

Offline

Newbie Poster

problem with gd

Nov 26th, 2008

hi all
i problem rotate image (png)
code :

 Help with Code Tags 
 PHP Syntax (Toggle Plain Text) 
$myimage=imagecreatefromjpeg('test.jpg');
$mypng=imagecreatefrompng('opera.png');
$sizepng= getimagesize('opera.png');
 
$jpgwidth=imagesx($myimage);
$jpghieght=imagesy($myimage);
$pngwidth=imagesx($mypng);
$pnghieght=imagesy($mypng);
$pngwidth1=$sizepng[0] / 10;
$pnghieght1=$sizepng[1] / 10;
 
imagerotate(mypng,50,1);
imagecopyresized($myimage,$mypng,0,0,0,0,$pngwidth1,$pnghieght1,$sizepng[0],$sizepng[1]);
header("Contents-type: image/jpeg");
imagejpeg($myimage);
imagedestroy($myimage);
imagedestroy ($mypng);
$myimage=imagecreatefromjpeg('test.jpg');
$mypng=imagecreatefrompng('opera.png');
$sizepng= getimagesize('opera.png');

$jpgwidth=imagesx($myimage);
$jpghieght=imagesy($myimage);
$pngwidth=imagesx($mypng);
$pnghieght=imagesy($mypng);
$pngwidth1=$sizepng[0] / 10;
$pnghieght1=$sizepng[1] / 10;

imagerotate(mypng,50,1);
imagecopyresized($myimage,$mypng,0,0,0,0,$pngwidth1,$pnghieght1,$sizepng[0],$sizepng[1]);
header("Contents-type: image/jpeg");
imagejpeg($myimage);
imagedestroy($myimage);
imagedestroy ($mypng);

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Join Date: Oct 2006

Posts: 232

Reputation: Rhyan is an unknown quantity at this point

Solved Threads: 24

Rhyan

Offline

Posting Whiz in Training

Re: problem with gd

Nov 26th, 2008

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Originally Posted by Coward

....
Help with Code Tags

PHP Syntax (Toggle Plain Text)
imagerotate(mypng,50,1);
imagecopyresized($myimage,$mypng,0,0,0,0,$pngwidth1,$pnghieght1,$sizepng[0],$sizepng[1]);
header("Contents-type: image/jpeg");
imagejpeg($myimage);
imagedestroy($myimage);
imagedestroy ($mypng);
imagerotate(mypng,50,1); imagecopyresized($myimage,$mypng,0,0,0,0,$pngwidth1,$pnghieght1,$sizepng[0],$sizepng[1]); header("Contents-type: image/jpeg"); imagejpeg($myimage); imagedestroy($myimage); imagedestroy ($mypng);

You are trying to create a JPG from PNG. I don't think that GD allows this. Therefore you should use createimagefrompng() and imagecopyresampled(). Also, header(content....) should be PNG, not JPG.