PHP Manual, the description of Imagick, is really concise, each member function, click Open to see the following text:
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Warning
This function is currently not documented; Only it argument list is available.
Just solved the problem of PHP loading, the image processing is quite convenient, the Internet casually find a paragraph:
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<?php
Header ("Content-type:image/jpeg");
/**
* Reduce the size of the picture.
*
* @param $image binary picture to be processed
* @param the width of the picture size (px) after $width processing
* @param height (px) of picture size after $height processing
* @param $crop whether to crop pictures
*
* @return processed binary picture
*/
function Resize ($image, $width, $height, $crop)
{
$imagick = new Imagick ($image);
$w = $imagick->getimagewidth ();
$h = $imagick->getimageheight ();
if ($w > $width | | $h > $height)
{
if ($crop)
{
$imagick->cropthumbnailimage ($width, $height);
}
Else
{
$imagick->resizeimage ($width, $height, Imagick::filter_lanczos, 1, true);
}
}
$processed _image = $imagick->getimageblob ();
return $processed _image;
}
$s =resize ("123.jpg", 60, 40, 1);
Echo $s;
?>
But what I'm going to do with this extension is to turn the PDF into PNG. PDF Oh!
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<?php
/**
* Pdf2png
* @param $pdf PDF files to be processed
* @param $path picture path to save
* @param $page the page to be exported-1 is all 0 is the first page 1 is the second page
* @return saved picture path and filename
*/
function Pdf2png ($pdf, $path, $page =-1)
{
if (!extension_loaded (' Imagick '))
{
return false;
}
if (!file_exists ($pdf))
{
return false;
}
$im = new Imagick ();
$im->setresolution (120,120);
$im->setcompressionquality (100);
if ($page ==-1)
$im->readimage ($pdf);
Else
$im->readimage ($pdf.) [". $page."]);
foreach ($im as $Key => $Var)
{
$Var->setimageformat (' png ');
$filename = $path. " /". MD5 ($Key. Time ()). PNG ';
if ($Var->writeimage ($filename) = = True)
{
$Return [] = $filename;
}
}
return $Return;
}
$path = "Images";//Please make sure that this folder is in the current directory and will not be detected because it has been used all the time.
$s =pdf2png ("test.pdf", $path);
$scount =count ($s);
for ($i =0; $i < $scount; $i + +)
{
echo "<div Align=center><font color=red>page". ($i + 1). " </font><br><a href=\ "". $s [$i]. " \ "Target=_blank></a></div><p>";
}
?>
Same as the top, huh? But always unsuccessful, readimage over there. View error Output:
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PHP Fatal error:uncaught exception ' imagickexception ' with message ' postscriptdelegatefailed ' test.pdf ': No such file or Directory
Baidu Google for a long time, the last brainwave, not to say PostScript Mody? I'm looking, I'm faking it.
This postscript, in fact, is Ghostscript.
When you are ready, run, OK!
