brew info imagemagick

  $ brew info imagemagick

imagemagick: stable 6.9.5-7 (bottled), HEAD Tools and libraries to manipulate images in many formats https://www.imagemagick.org/ /usr/local/Cellar/imagemagick/6.9.4-7 (1,460 files, 17.9M)   Poured from bottle on 2016-08-17 at 12:32:32 /usr/local/Cellar/imagemagick/6.9.5-7 (1,464 files, 22.5M)   Poured from bottle on 2016-08-17 at 16:24:42 From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/imagemagick.rb ==> Dependencies Build: xz ✔, pkg-config ✔ Required: libtool ✔, xz ✔ Recommended: jpeg ✔, libpng ✔, libtiff ✔, freetype ✔ Optional: fontconfig ✔, little-cms ✔, little-cms2 ✔, libwmf ✘, librsvg ✘, liblqr ✘, openexr ✘, ghostscript ✔, webp ✘, openjpeg ✘, fftw ✘, pango ✘ ==> Options --with-fftw     Compile with FFTW support --with-fontconfig     Build with fontconfig support --with-ghostscript     Build with ghostscript support --with-hdri     Compile with HDRI support --with-liblqr     Build with liblqr support --with-librsvg     Build with librsvg support --with-libwmf     Build with libwmf support --with-little-cms     Build with little-cms support --with-little-cms2     Build with little-cms2 support --with-openexr     Build with openexr support --with-openjpeg     Build with openjpeg support --with-openmp     Compile with OpenMP support --with-pango     Build with pango support --with-perl     Compile with PerlMagick --with-quantum-depth-16     Compile with a quantum depth of 16 bit --with-quantum-depth-32     Compile with a quantum depth of 32 bit --with-quantum-depth-8     Compile with a quantum depth of 8 bit --with-webp     Build with webp support --with-x11     Build with x11 support --with-zero-configuration     Disables depending on XML configuration files --without-freetype     Build without freetype support --without-jpeg     Build without jpeg support --without-libpng     Build without libpng support --without-libtiff     Build without libtiff support --without-magick-plus-plus     disable build/install of Magick++ --without-modules     Disable support for dynamically loadable modules --without-opencl     Disable OpenCL --without-threads     Disable threads support --HEAD     Install HEAD version

 

■brew install ghostscript

pdf文件转换图片不成功需要安装ghostscript

MP4文件转换图片不成功需要安装ffmpeg