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Add image size error
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Posted by services_npod  · 14-03-2017 - 20:58

Hello, I am using the advanced 6.5 version of the license and I have a problem that happens with some images. I use the addImage method with width = 288 and height = 216 but some images appear larger in the docx I generate.

This image: https://dev-or.s3.amazonaws.com/dev/Slide/9379/iconlist.jpg?1331844575 works well

This image: https://dev-or.s3.amazonaws.com/dev/Slide/9380/iconlist.jpg?1331844575 works bad.

 

I download images to a temporary path before using it.

$thumb = array('src' => "/var/tmp/image.jpg", 'imageAlign' => 'center', 'height' => 216, 'width' => 288);

$docx->addImage($thumb);

Any idea what's going on?

Thank you.

 

Posted by admin  · 15-03-2017 - 10:12

Hello,

The problem is that the images you are adding don't have the same dpi. So as you are not forcing a dpi, phpdocx uses the dpi from the image.

This image:

https://dev-or.s3.amazonaws.com/dev/Slide/9379/iconlist.jpg?1331844575

has 96 dpi. And this is a PNG image, not JPG; we recommend you to use extensions with the same mime types than images.

And this image:

https://dev-or.s3.amazonaws.com/dev/Slide/9380/iconlist.jpg?1331844575

has 72 dpi.

You can force the dpi value to get the exact image size, regardless the dpi of an image:

$image = array(
  'src' => 'image.jpg',
  'imageAlign' => 'center',
  'height' => 216,
  'width' => 288,
  'dpi' => 72,
);

$docx->addImage($image);

Regards.

P.S. we have changed your username to hide the email you wrote as username

Posted by services_npod  · 15-03-2017 - 14:09

 

Thank you very much for your quick response. I was struggling with this problem two weeks ago. I had already tried a lot of different things that did not work and I was lost. You really helped me. Thanks again.