Resize Image

imnewtophp · October 19, 2012

I have a page that merges two pictures into one using the code below. I am trying to rezise the $src image. At the minute the last two numbers in imagecopymerg resizes what is displayed but it shows only part of the image and doesn't resize the image, for example it would show the top corner of the image.

<?php
$dest = imagecreatefrompng('polayoloright.png');
$src = imagecreatefromjpeg('tiffany_alvord_heart_2bg9s7p.sized.jpg');
imagealphablending($dest, false);
imagesavealpha($dest, true);
$src = imagecreatetruecolor(50,50);
imagecopymerge($dest, $src, 1, 1, 0, 20, 50, 50, 100);
header('Content-Type: image/png');
imagepng($dest);
imagedestroy($dest);
imagedestroy($src);
?>

I have tried adding the following. It resizes it but displays a black box, not the image.

$src = imagecreatetruecolor(50,50);

Any ideas?

Thanks

johnnyd1963 · October 19, 2012

You need something like this ?

if ($_FILES['foto_mijzelf']['type'] == "image/pjpeg" || $_FILES['foto_mijzelf']['type'] == "image/jpeg" || $_FILES['foto_mijzelf']['type'] == "image/jpg")
{





$uploaded_foto_mijzelf = $_FILES['foto_mijzelf']['tmp_name'];
$imagesize = $_FILES['foto_mijzelf']['size'];
$imagetype_persoon = $_FILES['foto_mijzelf']['type'];
$image_file_mijzelf=$_FILES['foto_mijzelf']['name'];
// haal foto maten
list($width, $height) = getimagesize($_FILES['foto_mijzelf']['name']);

$imgwidth= $width;
$imgheight=$height;
$a = ($imgwidth/100);
$imageheightpercent= (100/$a);
$onePerrcentImgheight=$imgheight/100;
$newImgHeight=$onePerrcentImgheight*$imageheightpercent;
$imgwidth= $width;
$imgheight=$height;
$b = ($imgwidth/100);
$imagewidthpercent= (100/$B);
$onePerrcentImgwidth=$imgwidth/100;
$newImgWidth=$onePerrcentImgwidth*$imagewidthpercent;

$slides="images";
$thumbs="thumbs";
$new_height1=$newImgWidth;
$new_width1=66;
$new_height=$newImgHeight;
$new_width=100;

chdir ($structurec);
chdir ($location_thumb_persoon);
//if width smaller then height
if ($width<=$height){




$src = imagecreatefromjpeg($uploaded_foto_mijzelf);
$tmp1=imagecreatetruecolor($new_width1,$new_height1);
imagecopyresampled($tmp1,$src,0,0,0,0,$new_width1,$new_height1, $width,$height);
imagejpeg($tmp1,$image_file_mijzelf,100);
imagedestroy($src);
imagedestroy($tmp1);
}


//if width bigger then hight
if ($width>=$height){

$src = imagecreatefromjpeg($uploaded_foto_mijzelf);
$tmp1=imagecreatetruecolor($new_width,$new_height);
imagecopyresampled($tmp1,$src,0,0,0,0,$new_width,$new_height, $width,$height);
imagejpeg($tmp1,$image_file_mijzelf,100);
imagedestroy($src);
imagedestroy($tmp1);

}
}

requinix · October 19, 2012

imagecopymerge() does not resize. Try imagecopyresampled instead.

imnewtophp · October 19, 2012

On 10/19/2012 at 6:02 PM, johnnyd1963 said:

You need something like this ?

I saw that code from searching earlier. Which part exactly do I need to use. I am not uploading the pictures they are already uploaded.

On 10/19/2012 at 6:08 PM, requinix said:

imagecopymerge() does not resize. Try imagecopyresampled instead.

I have tried your suggestion

$src = imagecopyresampled(50,50);

It doesn't work.. it does the following: http://pennybeta2.webege.com/merge.php

Thanks for your help guys.

johnnyd1963 · October 19, 2012

try to make $src = imagecreatefromjpeg('tiffany_alvord_heart_2bg9s7p.sized.jpg');

into $src = imagecreatefromjpeg('tiffany_alvord_heart_2bg9s7p.sized.JPG');

look at the difference jpg or JPG

requinix · October 19, 2012

On 10/19/2012 at 6:18 PM, imnewtophp said:
I have tried your suggestion
$src = imagecopyresampled(50,50);
It doesn't work..

I gave you a link so that you would click it, read the documentation, and use the function correctly.

And your script is outputting HTML.

<br><table border='1' cellpadding='2' bgcolor='#FFFFDF' bordercolor='#E8B900' align='center'><tr><td><font face='Arial' size='1' color='#000000'><b>PHP Error Message</b></font></td></tr></table><br />
<b>Warning</b>:  imagecreatefromjpeg(tiffany_alvord_heart_2bg9s7p.sized.JPG) [<a href='function.imagecreatefromjpeg'>function.imagecreatefromjpeg</a>]: failed to open stream: No such file or directory in <b>/home/a4566300/public_html/merge.php</b> on line <b>3</b><br />
<br><table border='1' cellpadding='2' bgcolor='#FFFFDF' bordercolor='#E8B900' align='center'><tr><td><div align='center'><a href='http://www.000webhost.com/'><font face='Arial' size='1' color='#000000'>Free Web Hosting</font></a></div></td></tr></table><br><table border='1' cellpadding='2' bgcolor='#FFFFDF' bordercolor='#E8B900' align='center'><tr><td><font face='Arial' size='1' color='#000000'><b>PHP Error Message</b></font></td></tr></table><br />
<b>Warning</b>:  Wrong parameter count for imagecopyresampled() in <b>/home/a4566300/public_html/merge.php</b> on line <b>10</b><br />
<br><table border='1' cellpadding='2' bgcolor='#FFFFDF' bordercolor='#E8B900' align='center'><tr><td><div align='center'><a href='http://www.000webhost.com/'><font face='Arial' size='1' color='#000000'>Free Web Hosting</font></a></div></td></tr></table><br><table border='1' cellpadding='2' bgcolor='#FFFFDF' bordercolor='#E8B900' align='center'><tr><td><font face='Arial' size='1' color='#000000'><b>PHP Error Message</b></font></td></tr></table><br />
<b>Warning</b>:  imagecopymerge(): supplied argument is not a valid Image resource in <b>/home/a4566300/public_html/merge.php</b> on line <b>12</b><br />
<br><table border='1' cellpadding='2' bgcolor='#FFFFDF' bordercolor='#E8B900' align='center'><tr><td><div align='center'><a href='http://www.000webhost.com/'><font face='Arial' size='1' color='#000000'>Free Web Hosting</font></a></div></td></tr></table>‰PNG


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<b>Warning</b>:  imagedestroy(): supplied argument is not a valid Image resource in <b>/home/a4566300/public_html/merge.php</b> on line <b>17</b><br />
<br><table border='1' cellpadding='2' bgcolor='#FFFFDF' bordercolor='#E8B900' align='center'><tr><td><div align='center'><a href='http://www.000webhost.com/'><font face='Arial' size='1' color='#000000'>Free Web Hosting</font></a></div></td></tr></table>	
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Can't do that.

imnewtophp · October 20, 2012

Thanks,

Got it working.

<?php
// The file
$src = 'http://s2.evcdn.com/images/block250/I0-001/004/166/985-0.jpeg_/tiffany-alvord-85.jpeg';
$percent = 0.5;


header('Content-Type: image/jpeg');

list($width, $height) = getimagesize($src);
$new_width = 186;
$new_height = 146;


$image_p = imagecreatetruecolor($new_width, $new_height);
$image = imagecreatefromjpeg($src);
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);

$dest = imagecreatefrompng('polastraight.png');
imagealphablending($dest, false);
imagesavealpha($dest, true);
imagecopymerge($dest, $image_p, 40, 38.5, 0, 0, 186, 146, 100);

header('Content-Type: image/png');
imagepng($dest);
imagedestroy($dest);
imagedestroy($src);
?>

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