已经解决了，应该是imagick不支持直接转换url链接，我把url的图片转换成base64格式，就可以生成这张图片了

大家是怎么处理URL参数过滤的啊？_course

我工作经验不是很多，现在做的一个项目需要做处理url里的参数，不知道各位大侠用什么方法， ps： 我的数据库操作全在一个类里面，所以我的想法是想找一段过滤sql注入的正则表达式，在数据库操作类里集中过

将SVG转换成图片，在线等，急急急_course

.Net 如何将SVG转换成图片，保存到指定路径 我是用highchart统计图的时候遇到的问题， 我已经的到了每张统计图图片的SVG 问题是如何将SVG转换成图片，在线等 下面提供一个SVG： <s

imagick 安装扩展再win7 64位下不知如何安装_course

我现在的php 版本是 5.4 然后再网上知道想对应的 imagick dll phpinfo()始终看不到 搞了 一天了 求帮助啊

使用Imagick php扩展将多页PDF转换为JPG时的黑色背景_course

<div class="post-text" itemprop="text"> <p>What is the best way to correct black background when converting multi page PDF to JPG with Imagick php extension?</p> <p>Following is the code used on my application:</p> <pre><code> $imagick = new Imagick($file); $imagick-&gt;setResolution(150,150); $imagick-&gt;setImageFormat("jpg"); $imagick-&gt;setImageCompression(imagick::COMPRESSION_JPEG); $imagick-&gt;setImageCompressionQuality(70); foreach ($imagick as $c =&gt; $_page) { $_page-&gt;setImageBackgroundColor('white'); $_page-&gt;adaptiveResizeImage($maxsize,$maxsize,true); $_page-&gt;writeImage("$file-$c.jpg"); } </code></pre> <p>I'am aware that the flattenImage method can be used to remove black background, such as in:</p> <pre><code> $imagick = $imagick-&gt;flattenImages(); </code></pre> <p>But when the file has more the one pages, the flattenImages method puts all the pages on the same image, and therefore the result is a copy of the last page in all the JPGs generated.</p> <p>I appreciate if anybody can help me.</p> </div>

为Laravel项目安装php imagick_course

<div class="post-text" itemprop="text"> <p>I tried to install <code>imagick</code> using <code>pecl</code> on OSX and PHP 7.2. </p> <p>If I run <code>php -i | grep -i imagick</code> I get following output: </p> <pre><code>imagick imagick module =&gt; enabled imagick module version =&gt; 3.4.3 imagick classes =&gt; Imagick, ImagickDraw, ImagickPixel, ImagickPixelIterator, ImagickKernel Imagick compiled with ImageMagick version =&gt; ImageMagick 7.0.7-28 Q16 x86_64 2018-03-25 http://www.imagemagick.org Imagick using ImageMagick library version =&gt; ImageMagick 7.0.7-28 Q16 x86_64 2018-03-25 http://www.imagemagick.org imagick.locale_fix =&gt; 0 =&gt; 0 imagick.progress_monitor =&gt; 0 =&gt; 0 imagick.skip_version_check =&gt; 0 =&gt; 0 </code></pre> <p>However if I try to use it in a Laravel controller I get </p> <blockquote> <p>"Class 'Imagick' not found"</p> </blockquote> <p>This is the controller</p> <pre><code>&lt;?php namespace App\Http\Controllers; use Illuminate\Http\Request; use Imagick; class OrderImageController extends Controller { public function proofImage(Request $request) { $image = new Imagick($request-&gt;image); } } </code></pre> <p>If I take a look in my <code>php.ini</code> file <code>extension=imagick.so</code> is there. Am I missing something?</p> </div>

PHP / ImageMagick / imagick中不支持任何格式_course

<div class="post-text" itemprop="text"> <p>I've installed pecl-imagick from FreeBSD ports and it can't do a thing with images.</p> <p>phpinfo() reports this:</p> <pre><code>ImageMagick number of supported formats: 0 ImageMagick supported formats: no value </code></pre> <p>But ImageMagick installed correctly and show all it's stuff:</p> <pre><code>$ convert -list configure ... DELEGATES bzlib fftw fontconfig jpeg jng lzma png zlib ... </code></pre> <p>What could be wrong and how to fix it?</p> </div>

如何使用Imagick将图像的大小减小到设定的宽度？_course

<div class="post-text" itemprop="text"> <p>I have a photo gallery where the cover photo has images of 290px set width and the height can be anything. I'm going for a Pinterest type of effect. I'm trying to do this using PHP and Imagick, but cannot seem to figure it out. Can someone assist?</p> <p>Here is the function that I have so far, but just getting small images. I read somewhere that setting the height to a number higher makes it auto but to no avail.</p> <pre><code>function thumbnailImage($imagePath,$real_target_pathThumb) { $imagick = new Imagick($imagePath); $imagick-&gt;thumbnailImage(290, 9999, true, true); $imagick-&gt;writeImage($real_target_pathThumb); }; </code></pre> </div>

用php的imagick把svg转化成jpg，为什么彩色的变成了黑白的？_course

项目是在阿里云服务器上部署的，让我搞不懂的是在我本地是能成功转化的 我本地转换的： 但是服务器上却不行： 到底是哪里出了问题呢？阿里云对imagick有限制？还行大神们指教

ImageMagick创建了大量的临时文件_course

<div class="post-text" itemprop="text"> <p>I'm using imagick for GIF file uploads with resizing. Im used to upload filesizes ranges from 5mb -15mb Due to huge tempory files my site gets crashed and also images are not getting converted correctly. How can I fix this?</p> <pre><code>$imagick = new Imagick($_FILES['file']['tmp_name']); foreach ($imageFolders as $imageFolder =&gt; $size) { if ($imagick-&gt;getImageWidth() &gt; $size['minWidth']) { $width = $size['maxWidth']; $height = $size['maxWidth']; } else { $width = $imagick-&gt;getImageWidth(); $height = $imagick-&gt;getImageHeight( } $imagick = $imagick-&gt;coalesceImages(); foreach($imagick as $frame){ $frame-&gt;thumbnailImage($width , $height ); $frame-&gt;setImagePage($width , $height , 0, 0); } $imagick = $imagick-&gt;deconstructImages(); $imagick-&gt;writeImages($imagePath, true); } $imagick-&gt;clear(); </code></pre> </div>

PHP致命错误：未找到类'Imagick'_course

<div class="post-text" itemprop="text"> <p>I am trying to create JPEG image from TIFF binary data. I call a SOAP service and get a TIFF binary array as follows:</p> <pre><code>$val = array( "arg0" =&gt; XXX, "arg1" =&gt; XXX, ); $headerbody = array( 'Username'=&gt;XXX, 'Password'=&gt;XXX, ); $wsdl = 'wsdl services url'; $client = new SoapClient($wsdl); $soap_var_header = new SoapVar($headerbody, SOAP_ENC_OBJECT); $header = new SoapHeader("http://webservices.averittexpress.com/authn",'authnHeader', $soap_var_header); $client-&gt;__setSoapHeaders($header); $value = $client-&gt;getDocument($val); try { $im = new Imagick(); $im-&gt;readImageBlob($value-&gt;return); $im-&gt;setFormat('JPEG'); file_put_contents('Test.jpeg', $im-&gt;getImageBlob()); } catch (Exception $e) { return $e-&gt;getMessage(); } </code></pre> <p>The problem is that the code fails with error:</p> <blockquote> <p>Fatal error: Class 'Imagick' not found</p> </blockquote> <p>I have enabled <code>php_imagick.dll</code> in php.ini:</p> <pre><code>; Imagick Extension [Imagick] extension = "php_imagick.dll" </code></pre> <p><code>php_imagick</code> library is displayed as PHP extension.</p> <p>Thanks in advance.</p> </div>

如何使用Imagick :: resizeImage制作缩略图看起来更清晰 - PHP？_course

<div class="post-text" itemprop="text"> <p>I am using Imagick::resizeImage to create a thumbnail PNG image of each page of a pdf file. However, the image I am getting back is really blurry. How can I make it a little sharper? Any pointers would be really appreciated.</p> <p>I have tried adjusting the 'blur' paramter of Imagick::resizeImage between 0.1 - 1, without success.</p> <pre><code>$pdfPage = '1Mpublic.pdf[0]'; $im = new imagick($pdfPage); $im-&gt;setImageFormat('png'); // Resize thumbnail image $imgHeight = $im -&gt; getImageHeight(); $imgWidth = $im -&gt; getImageWidth(); $desiredWidth = 200; $desiredHeight = resizedImageHeight($imgWidth, $imgHeight, $desiredWidth); $im -&gt; setResolution(1500, 1500); $im -&gt; resizeImage($desiredWidth, $desiredHeight, imagick::STYLE_NORMAL, 0.1); /* Resize image */ function resizedImageHeight($imgWidth, $imgHeight, $desiredImgWidth){ $quoient = $imgWidth/$imgHeight; $height = $desiredImgWidth/$quoient; return $height; } </code></pre> <p><a href="https://i.stack.imgur.com/1tArr.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/1tArr.png" alt="enter image description here"></a></p> <p>original pdf link:</p> <p><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4905263/pdf/ksgt-06-04-1091539.pdf" rel="nofollow noreferrer">https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4905263/pdf/ksgt-06-04-1091539.pdf</a></p> </div>

无法导入Imagick程序包_course

<div class="post-text" itemprop="text"> <p>I am trying to install the Imagick package for Go. I run the command:</p> <pre><code>go get gopkg.in/gographics/imagick.v3/imagick </code></pre> <p>As per <a href="https://gopkg.in/gographics/imagick.v3/imagick" rel="nofollow noreferrer">the documentation</a> but I always get this error:</p> <pre><code># gopkg.in/gographics/imagick.v3/imagick src/gopkg.in/gographics/imagick.v3/imagick/affine_matrix.go:8:35: fatal error: MagickWand/MagickWand.h: No such file or directory #include &lt;MagickWand/MagickWand.h&gt; ^ compilation terminated. </code></pre> <p>I've looked online but have yet to find a solution that works. I have tried using <code>apt-get libmagickwand-dev</code> and that did not resolve the issue. I am currently running Ubuntu 14.04 LTS.</p> </div>

使用Imagick PHP调整动画GIF图像大小_course

<div class="post-text" itemprop="text"> <p>I wants to resize animated GIF images without loosing animation. Resize process is working fine but after resize animation goes away. Please check my script in-line if i am doing anything wrong</p> <p>Version: ImageMagick 6.9.1-1 PECL Imagick Extension - 3.1.2</p> <pre><code>$images = $this-&gt;imageObj-&gt;coalesceImages(); foreach ($images as $frame) { $frame-&gt;thumbnailImage($this-&gt;thumbWidth, $this-&gt;thumbHeight); $frame-&gt;setImagePage($this-&gt;thumbWidth, $this-&gt;thumbHeight, 0, 0); } $this-&gt;imageObj = $images-&gt;deconstructImages(); $this-&gt;imageObj-&gt;writeImage($this-&gt;thumbImagePath); </code></pre> </div>

Imagick无法读取文件（pdf）但能够读取图像_course

<div class="post-text" itemprop="text"> <p>I am trying to get Imagick to work because I want to convert PDF to images. I can succesfully open other files but I am unable to open PDF files. </p> <p>It will give me the error: <strong>Failed to read the file</strong></p> <p>Does anyone know how to solve this and -or how to find out what the problem is? I tried different PDF files but none were able to be opened.</p> <ul> <li>Ubuntu 18.04 </li> <li>Lumen (newest version)</li> </ul> <p>File is obviously readable and checked with (is_file) et cetera. Everything is fine and working but only PDF files are unable to be opened by Imagick.</p> <pre><code>$imagick = new \Imagick(); $imagick-&gt;readImage('/var/www/html/mysite.com/storage/app/files/dummy.pdf'); $imagick-&gt;writeImages('/var/www/html/mysite.com/storage/app/files/converted.pdf', false)); </code></pre> <p>I tried:</p> <p>$imagick = new Imagick('/var/www/html/imagick/dummy.pdf'); $imagick = new Imagick('dummy.pdf');</p> <p>but both give me an error: </p> <pre><code> Fatal error: Uncaught ImagickException: Failed to read the file in /var/www/html/imagick/index.php:33 Stack trace: #0 /var/www/html/imagick/index.php(33): Imagick-&gt;__construct('dummy.pdf') #1 {main} thrown in /var/www/html/imagick/index.php on line 33 </code></pre> <p>When I use a try catch I get this:</p> <pre><code>ImagickException Object ( [message:protected] =&gt; Failed to read the file [string:Exception:private] =&gt; [code:protected] =&gt; 1 [file:protected] =&gt; /var/www/html/imagick/index.php [line:protected] =&gt; 13 [trace:Exception:private] =&gt; Array ( [0] =&gt; Array ( [file] =&gt; /var/www/html/imagick/index.php [line] =&gt; 13 [function] =&gt; __construct [class] =&gt; Imagick [type] =&gt; -&gt; [args] =&gt; Array ( [0] =&gt; /var/www/html/imagick/dummy.pdf ) ) ) [previous:Exception:private] =&gt; ) </code></pre> </div>

ImageMagick / Imagick：将带有Alpha通道的PNG转换为2色图像（颜色，透明）_course

<div class="post-text" itemprop="text"> <p>I would like to know and find out, how I can colorize/replace any pixel of an image, that is not (fully) transparent with an opaque pixel.</p> <p>For example, having a multicolored Logo with transparent pixels, I would like to convert it in to a logo with only the color #ff0000, and not change the transparent background.</p> <p>I want to achieve this with the PHP Imagick Library. I cannot find any good documentation.</p> <p>I thought that <strong><a href="http://php.net/manual/de/imagick.thresholdimage.php" rel="nofollow">Imagick::thresholdImage</a></strong> would be a helper, but there is no documentation about the threshold parameter.</p> <p>Best results are achieved with this fragment of code. But still not working perfectly. Some pixels - i guess those with alpha &gt; 0 and &lt; 1 are not replaced.</p> <pre><code>$image = new \Imagick($source); $image-&gt;setImageFormat('png'); $fill = new \ImagickPixel('#ff0000'); $image-&gt;thresholdImage(0); $image-&gt;paintOpaqueImage('#ffffff', $fill, 1); $image-&gt;writeImage($destination); </code></pre> </div>

如何使用Imagick CompositeImage合成2个图像？_course

<div class="post-text" itemprop="text"> <p>I am having trouble with compositeImage. I just want to compose two images (put a company logo onto a phone case) and what I am getting is a 16x16 white border square. I've followed <a href="https://www.phpimagick.com/Tutorial/composite?compositeExample=ATop" rel="nofollow noreferrer">this</a> documentation. Here is my code:</p> <pre class="lang-php prettyprint-override"><code> $imagick1 = new Imagick(__DIR__ . '/release/images/'.$theme_param.'_'.$case_param.'_'.$phone_param.'.jpg'); $imagick2 = new Imagick(__DIR__ . '/release/images/cariocamobile_'.$logo_param.'.png'); $imagick1-&gt;compositeImage($imagick2, Imagick::COMPOSITE_DEFAULT, 0, 0); $imagick1-&gt;setImageFormat('png'); $imagick1-&gt;setImageFormat("png"); header("Content-Type: image/png"); echo $imagick1-&gt;getImageBlob(); </code></pre> <p>Also, I want to use <code>Imagick::ATOP instead</code> of <code>Imagick::COMPOSITE_DEFAULT</code>. How can I use it?</p> <p><a href="https://i.stack.imgur.com/9KvAi.png" rel="nofollow noreferrer">What I want to do</a></p> <p><a href="https://i.stack.imgur.com/W8vI6.png" rel="nofollow noreferrer">What I am getting</a></p> </div>

PHP - 使用Imagick将所有图像转换为jpg - 质量差_course

<div class="post-text" itemprop="text"> <p>I found more topics from this web site about quality with Imagick but nothing help me... I have to save all images as JPG. I created this script:</p> <pre><code>$image_url = 'http://limuzynamercedes.pl/wp-content/uploads/2014/06/3.png'; $image_code = file_get_contents($image_url); $img = new Imagick(); $img -&gt; readImageBlob($image_code); $img-&gt;setResolution(300, 300); $d = $img-&gt;getImageGeometry(); $img-&gt;cropImage($d['width'],($d['height']-120), 0,0); $img-&gt;setImageFormat('jpeg'); $img-&gt;setImageCompression(imagick::COMPRESSION_JPEG); $img-&gt;setCompressionQuality(100); $img-&gt;writeImage('read.jpg'); $img-&gt;clear(); echo '&lt;img src="read.jpg?'.time().'"&gt;';exit; </code></pre> <p>Here is original image: <a href="http://limuzynamercedes.pl/wp-content/uploads/2014/06/3.png" rel="nofollow">http://limuzynamercedes.pl/wp-content/uploads/2014/06/3.png</a> and here is image which was converted by my script: <a href="http://s5.ifotos.pl/img/demo1jpg_saeaxqx.jpg" rel="nofollow">http://s5.ifotos.pl/img/demo1jpg_saeaxqx.jpg</a></p> <p>Where is a problem? Why this image is always convert in bad quality?</p> <p>Thanks.</p> </div>

php imagick将pdf转换为png高品质_course

<div class="post-text" itemprop="text"> <p>I'm trying to convert a PDF to a high quality PNG via Imagick, but the file keeps coming out fuzzy. Currently, I'm running the following options but can't find the right flags to get a clear PNG out of the conversion. The original PDF file is 8.5 x 11. Suggestions? Thanks!</p> <pre><code>$image = new \Imagick(storage_path('app/'.$path)); $image-&gt;setResolution( 200, 200 ); $image-&gt;scaleImage(1700,2200); $image-&gt;setImageFormat( "png32" ); $image-&gt;writeImage(storage_path('app/'.$split[0].'.png')); </code></pre> </div>

如何使用Imagick创建画布效果？_course

<div class="post-text" itemprop="text"> <p>I am trying to replicate the canvas texture style effect on a photo using the Imagick php class as seen here under the heading 'texture':</p> <p><a href="http://www.imagemagick.org/Usage/photos/" rel="nofollow">http://www.imagemagick.org/Usage/photos/</a></p> <p>Using the command line it can be achieved like this:</p> <pre><code>composite texture_fabric.gif pagoda_sm.jpg \ -tile -compose Hardlight photo_texture.jpg </code></pre> <p>However I am using the 'Imagick' php class for ImageMagick and I can't seem to work out how to tile the texture.</p> <p>I have tried:</p> <pre><code>$im = new Imagick("source.jpg") $img2 = new Imagick("texture.gif"); $im-&gt;compositeImage($img2, imagick::COMPOSITE_HARDLIGHT, 0, 0); </code></pre> <p>But all I end up with is the texture image composited on the the source image in the top left corner.</p> <p>How can I recreate the effect in the link?</p> </div>

PHP Imagick颜色灰度渐变_course

<div class="post-text" itemprop="text"> <p>I'am new to Imagick and PHP. The thing I want to make is to put a RGB color on gray-scale gradient. </p> <p>Input:</p> <p><img src="https://i.stack.imgur.com/Coeb9.png" alt="Input"></p> <p>Output:</p> <p><img src="https://i.stack.imgur.com/yd6WA.png" alt="enter image description here"></p> <p>The output color may be different. Any idea would be helpful.</p> <p>Thanks in advance! Greetigns,</p> </div>

将PDF转换为具有相同分辨率的PNG_course

<div class="post-text" itemprop="text"> <p>I am trying to convert a PDF to a PNG using ghostscript and Imagick.</p> <p>I have tried this:</p> <pre><code>o_imagick = new imagick(mydocu.pdf[0]); $this-&gt;o_imagick-&gt;setImageFormat('png'); file_put_contents ("actualpdf.png", $this-&gt;o_imagick); </code></pre> <p>Which generates and saves a new image but the resolution is weird. I need it to be the same resolution as the PDF. I assumed it would just generate an exact PNG copy out of the PDF.</p> <p>Any ideas?</p> </div>