*Converting Pdf To Jpg Using Phpmyadmin
*Convert Pdf Into Jpg In Php
We have published an article on How to Convert HTML to PDF in PHP with fpdf and received many emails to write something on conversion from PDF to JPEG so today I am going to show you how we can convert PDF to JPEG and its a 4 lines script and very easy and simple to understand. We use PHP imagick extension which is mostly built-in in PHP.Active8 months ago
I have script:
Is possible convert all images (png, gif etc) to jpg with 100% quality? If yes, how? I would like allow to upload png and gif, but this script should convert this files to jpg. Is possible this with PHP?Diego Agulló7,21933 gold badges2222 silver badges3737 bronze badgesSteven SacradoorSteven Sacradoor 6 Answers
Try this code: originalImage is the path of.. the original image.. outputImage is self explaining enough. Quality is a number from 0 to 100 setting the output jpg quality (0 - worst, 100 - best)Davide BerraDavide Berra5,33611 gold badge1818 silver badges4040 bronze badges
Try using ImagicksetImageFormat, for me it provides the best image quality
http://php.net/manual/en/imagick.setimageformat.php
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A small code to convert image.png to image.jpg at desired image quality:Al Foиce ѫ3,30466 gold badges2828 silver badges4242 bronze badgesAhmad Vaqas KhanAhmad Vaqas Khan
Davide Berra's answer is great, so I improved the file type detection a little, using exif_imagetype() instead of relying on the file extension:
You must have php_exif extension enabled to use this.Lucas BustamanteLucas Bustamante5,54322 gold badges4545 silver badges6060 bronze badges
a small fix to davide's answer, the correct function for converting from BMP is 'imagecreatefromwbmp' instead of imagecreatefrombmp (missing 'w')also you should consider that png may be transparent, here is a way to fill it with white BG (jpeg can't apply alpha data). Community♦Roy B. xSITERoy B. xSITEAnton MoskalenkoAnton Moskalenko Not the answer you're looking for? Browse other questions tagged phpimage-processing or ask your own question. Active6 years, 4 months ago
I'm trying to convert PDF to IMG (JPG) with help PHP.
I'm using imagick extension.
this is my code
my source pdf file has right dimension (210x297 mm, like A4 has). And everything looks good. But my jpg has page dimension as 842x595 px, and DPI is 72.
and img file much more smaller on paper then pdf, when i had print it.
what is a proper way to make image file from pdf and make it so big as pdf (on paper)Mat172k3030 gold badges332332 silver badges349349 bronze badgesuser1016265Converting Pdf To Jpg Using Phpmyadminuser10162651,11733 gold badges1818 silver badges4343 bronze badges 5 Answers Convert Pdf Into Jpg In Php
ImageMagick uses GhostScript to process JPEGs, so you'd do better to exec GhostScript directly, which would be much more efficient and give you more control. It would also be only 1 exec statement, instead of playing around with the IMagick functions.AlasdairAlasdair6,8151414 gold badges5353 silver badges109109 bronze badges
You could use imagemagick through exec() or similar, the shell arguments are much less verbose than the PHP extension.
It's the '-density' (which sets the DPI to read the source file as) option that specifically fixes your problem.
Also imagemagick by default uses a -quality setting of 92 for JPEG writing in most cases - so you probably don't need to explicitly declare it.
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It looks like you missed two setters:
Imagick::setImagePage() http://www.php.net/manual/en/function.imagick-setimagepage.php
And:
Imagick::setImageExtent() http://www.php.net/manual/en/function.imagick-setimageextent.php
In order to get the correct parameters for these functions, you may try the following:
If you find that some others attributes should be set, then let me show you the information that $params is holding. It may proof useful for you:
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To be honest, I'm not completely sure if this will work. Is just a try in order to help you. I sincerely hope it does.
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As mentioned before, setting the resolution before reading the file does the trick:caugnercaugner
You have to call setResolution before reading the image. Otherwise imagemagick will use the default system dpi.PieterPieter1,60311 gold badge1010 silver badges1414 bronze badges Not the answer you're looking for? Browse other questions tagged phppdfimagemagickimagick or ask your own question.
