使用Imagick在OSX Mavericks(MAMP 3)上读取PHP SVG [英] PHP SVG read on OSX Mavericks (MAMP 3) using Imagick

问题描述

我有类似以下的问题: ImagickException与消息Postscript委托在MAMP 3.0上失败. 5

I have nearly the same problem like here: ImagickException with message Postscript delegate failed on MAMP 3.0.5

我想读取我用php创建的SVG文件(5组维恩图)，我想将其写到png/jpeg或任何文件中……什么都行不通.它在第三行中断:

I would like to read an SVG file (5 set Venn Diagram), which I created with php and I would like to write it out to a png/jpeg or whatever file... nothing work. It breaks on the 3rd line:

$im = new Imagick();
$svg = $venn_diagram;
$im->readImageBlob($svg);
$im->setImageFormat("jpeg");
$im->adaptiveResizeImage(720, 445); 
$im->writeImage($folder . 'output_venn_diagram.png');
$im->clear();
$im->destroy();

与此:

Fatal error: Uncaught exception 'ImagickException' with message 'no decode delegate for this image format `' @ error/blob.c/BlobToImage/359' in /myphp.php:500 Stack trace: #0 /myphp.php(500): Imagick->readimageblob('<svg version='1...') #1 {main} thrown in /myphp.php on line 500

这个非常简化的SVG也打破了它:

It breaks also with this very simplified SVG also:

<svg version='1.0' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='746' height='742' viewBox='-362 -388 746 742' encoding='UTF-8' standalone='no'>
    <defs>
        <ellipse id='ellipse' cx='36' cy='-56' rx='160' ry='320' />
        <g id='ellipses'>
            <use xlink:href='#ellipse' fill='#0000ff' />
            <use xlink:href='#ellipse' fill='#0099ff' transform='rotate(72)' />
        </g>
    </defs>
</svg>

我真的不知道该怎么办:

I don't really know what to do:

• 正在运行MAMP/php.
• 我检查了文件开头是否有SVG规范.
• 我多次安装，卸载并重新安装了imagick.
• 我也重新启动了MAMP.

• MAMP / php running.
• I have SVG specification in the beginning of my file, I checked.
• I installed, uninstalled, reinstalled (with brew) imagick several times.
• I restarted MAMP also.

有人知道该怎么办吗?

感谢帮助！

• OS X Mavericks 10.9.3
• MAMP 3.05
• PHP 5.5.10
• imagemagick 6.8.9-1

推荐答案

您的SVG无效xml，因此无效SVG

Your SVG isn't valid xml and so isn't valid SVG

将其添加到SVG的开头:

Add this to the start of the SVG:

<?xml version="1.0"?>

它应该工作.适用于我的完整代码是:

And it should work. The complete code that works for me is:

  $svg = <<< END
<?xml version="1.0"?>
<svg version='1.0' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' width='746' height='742' viewBox='-362 -388 746 742' encoding='UTF-8' standalone='no'>
    <defs>
        <ellipse id='ellipse' cx='36' cy='-56' rx='160' ry='320' />
        <g id='ellipses'>
            <use xlink:href='#ellipse' fill='#0000ff' />
            <use xlink:href='#ellipse' fill='#0099ff' transform='rotate(72)' />
        </g>
    </defs>
</svg>

END;


        $image = new \Imagick();

        $image->readImageBlob($svg);
        $image->setImageFormat("jpg");
        header("Content-Type: image/jpg");
        echo $image;

产生此图像:

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