I am using imagemagick on a pdf file on my server, the conversion works correctly however when I look at the jpb that was converted only shows some of the items in the first page of the pdf. However it is missing the complete image in the back.
/usr/local/bin/convert -size 250x350 testimage.pdf[0] testimage.jpg
this is my php code I am using to convert the pdf to jpg.
This is what it should look like
However it looks like this
It looks like a layer try:
/usr/local/bin/convert testimage.pdf[0] -flatten testimage.jpg
Why did you have the -size 250x350 in the code?
Related
I have picture url from Facebook in jpg format. But I can manage it in another code only if it is in base64 encoded png format. I don't want to rewrite entire module.
I have tried everything I found on Internet and nothing works.
The closest I solve this is
base64_encode(imagepng(imagecreatefromstring(file_get_contents($url))));
If you have some ideas I would like to hear them.
get image, file_get_contents('image.jpg');
convert to png: Convert JPG/GIF image to PNG in PHP?
do base 64: http://php.net/manual/en/function.base64-encode.php
How can I make a screenshot from every page of PDF file and save result as images in PHP? Is it possible?
Maybe the "make a screenshot" can be replaced for your purpose by "create a raster image" for each PDF page?
In this case you could use ImageMagick and/or one of its PHP-enabled libraries. Here is a command line representation:
convert some.pdf[15-19] some.png
This will convert not all pages, but the page range 16--20 (page counting here is zero-based (not intuitive, I know...). To convert all pages, just skip the [15-19] part.
The output PNG names will be some-0.png, some-1.png, ... some-4.png.
To create JPEG or GIF instead of PNG, simply use one of these:
convert some.pdf[15-19] some.jpg
convert some.pdf[15-19] some.gif
By default ImageMagick will use a resolution of 72 PPI. This will indirectly determine the image dimensions of the PNG/JPEG/GIF output. Should you need other output dimensions than the defaults, you have different options, for example:
either add -density
or add -resize
to the command line:
convert -density 200 some.pdf some.png
convert some.pdf -resize 50% some.png
I'm trying to convert the first page of a PHP generated PDF to an image, and have done so with the following code:
exec("convert http://####.com/tcpdf/examples/example_009.php[0] -resize 100 sample.jpeg");
However I don't want to save the image, I'm looking for a way of including the command in a PHP script in place of an image, e.g: <img src="display_image_script.php?pdf=dynamic_pdf.php">
Is there a way to get ImageMagick to return the image within the PHP page using header('Content-Type: image/jpeg')?
Untested, but try:
header('Content-type: image/jpeg');
passthru("convert somePdfFile.pdf jpeg:-");
You need the passthru to stream the binary back to the browser and the jpeg:- in the command string converts pdf to jpeg and returns the jpeg binary on stdout.
There's a need to transform .svg files and save em either in .svg or jpeg format. The problems with ImageMagick is that it saves transformed files on white background and I deadly need it on transparent.
Any suggestions with other tools or clear php? Would really appreciate it.
The right ImageMagick command should be:
convert -background none somefile.svg somefile.png
You should use PNG or GIF as file format, because JPEG doesn't support transparency.
To use it in PHP:
<?php
$svg_file_name = "somefile.svg";
$png_file_name = "somefile.png;
system("convert -background none $svg_file_name $png_file_name");
?>
I doubt you can transform SVG files easily from within php. SVG files are basically XML files, and the standard is public, so anyone can make a converter...
I'd go for the external tool, it's easier and faster than processing from within a scripted language, and a lot safer when the author of the script dosen't actually know how to find out the command line switches for an application, and that JPEG files does not support transparency:)
go for convert -background none somefile.svg somefile.png as Jens said...
You can't do transparency with JPEG, but here's how to save an SVG as a PNG with a transparent background...
$image = new Imagick();
$image->setBackgroundColor(new ImagickPixel('transparent'));
$image->readImage('somefile.svg');
// ... do any image manipulation you need to here ...
$image->setImageFormat('png32');
$image->writeImage('somefile.png');
We recently installed the latest version of ImageMagick onto our Linux server. I seem to be having issues performing the most basic of tasks.
I am running this command line:
/usr/bin/convert /location/to/source/design.ai /location/to/save/output.jpg
Unfortunatly is saves design.jpg as an illustrator file (if I rename the file to output.ai it opens). Even if I do this:
/usr/bin/convert /location/to/source/design.ai -rotate 90 /location/to/save/design.jpg
It rotates the file and saves again as an illustrator document. This happens with all filetypes (e.g. png, bmp, etc...)
It appears ImageMagick cannot figure out what I want it converted to and just saves as the same file type.
Any ideas on fixing this?
Regards:
John
(Yes, McKay is properly right. This question would be better placed at serverfault.)
But I have an idea. By doing 'convert' only one gets a hint at the bottom:
To specify a particular image format, precede the filename
with an image format name and a colon (i.e. ps:image) or specify the
image type as the filename suffix (i.e. image.ps).
Perhaps convert gets confused by the path given.
So you could try this:
convert /location/to/source/design.ai output.jpg
or
convert /location/to/source/design.ai jpg:/location/to/save/output.jpg
Regards
Sigersted