ImageMagick：运行convert时出错：convert：无法读取字体 [英] ImageMagick: Error while running convert: convert: unable to read font

问题描述

我在Mountain Lion上使用Homebrew安装了ImageMagick（minimagick也在我的Gemfile中，但我不认为这是相关的）。 SimpleCaptcha 在Rails应用程序中使用它来创建CAPTCHA。

I'm on Mountain Lion and installed ImageMagick using Homebrew (minimagick is also in my Gemfile but I don't think that's relevant). SimpleCaptcha uses it in a Rails app to create CAPTCHAs.

但是，图片未创建导致此错误：

However, the image isn't created cause of this error:

Error while running convert: convert: unable to read font `/usr/local/share/ghostscript/fonts/n019003l.pfb' @ error/annotate.c/RenderFreetype/1123.
convert: Postscript delegate failed `/var/folders/gd/n7rzfhkd5jd0ws8jnzsz34hr0000gn/T/magick-vzHHz4ZP': No such file or directory @ error/ps.c/ReadPSImage/830.
convert: no images defined `/var/folders/gd/n7rzfhkd5jd0ws8jnzsz34hr0000gn/T/simple_captcha20121218-64930-1thtfpf.jpg' @ error/convert.c/ConvertImageCommand/3032.

任何想法？

推荐答案

您似乎缺少 ghostscript 。如果您使用的是 Homebrew ，可以通过以下方式安装：

Looks like you're missing ghostscript. If you are using Homebrew you can install it via:

$ brew install ghostscript

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