GraphicsMagick 安裝

GraphicsMagick 據說效能比 ImageMagick好，是ImageMagick的分支

安裝說明網頁

./configure --with-quantum-depth=8 (8、16、32 數字越低，轉圖效率越高)

--with-gslib=yes

--disable-openmp (開閉OpenMP)

--enable-shared

顯示有缺套件時需自行安裝

yum install libjpeg libjpeg-devel zlib zlib-devel libpng libpng-devel bzip2 bzip2-devel lcms lcms-devel librsvg2 librsvg2-devel libxml2 libxml2-devel libtiff libtiff-devel libwmf libwmf-devel libXau libXau-devel