Pdf使用php-imagick api进行成像 [英] Pdf to image using php-imagick api

问题描述

我想将PDF转换为图像。但是当输出图像生成时，它会从原始模糊。这是代码

i want to convert the PDF to image.But when the out put image generate it's get blur from original.Here is code

$uploadfile = ".pdf[53]";
$img = new Imagick($uploadfile);
$img->setResolution(300,300);
$img->resampleImage(150,150,imagick::FILTER_UNDEFINED,1);
$img->resizeImage(512,700,Imagick::FILTER_LANCZOS,0);
$img->setImageFormat('jpeg');
$img->setImageUnits(imagick::RESOLUTION_PIXELSPERINCH);
$img->writeImage ( "p-53.jpeg" );

你能帮我吗？
谢谢。

Can you please help me. Thank you.

推荐答案

删除重新采样和调整大小调用，看看你得到了什么。看起来你正在缩小它然后再升级它。

Remove the resample and the resize calls and see what you get. It looks like you are shrinking it and then upsizing it.

编辑：setResolution（300,300）为时已晚 - 图像已经渲染。这样做：

edit: setResolution(300,300) is too late -- the image has already been rendered. Do it like this:

$im = new Imagick(); 
$im->setResolution( 300, 300 ); 
$im->readImage( $uploadfile );

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