github.com/gographics/gmagick
GraphicsMagick libraries and header filespacman -S mingw-w64-x86_64-gcc
pacman -S mingw-w64-x86_64-zlib
pacman -S mingw-w64-x86_64-pkg-config
pacman -S mingw-w64-x86_64-graphicsmagick
set PATH=<msys64>\mingw64\bin;%PATH%
set PKG_CONFIG_PATH=<msys64>\mingw64\lib\pkgconfig
set MAGICK_CODER_MODULE_PATH=<msys64>\mingw64\lib\GraphicsMagick-1.3.25\modules-Q8\coders
(BTW: you should change <msys64> to your installation path of msys2)
Install GraphicsMagick using Homebrew or MacPorts
An example of MacPorts:
sudo port install graphicsmagickexport PKG_CONFIG_PATH=/opt/local/lib/pkgconfigepel-release was installed. (help)yum install GraphicsMagick-develsudo apt-get install libgraphicsmagick1-devgo get github.com/gographics/gmagickpackage main
import (
"flag"
"github.com/gographics/gmagick"
)
func resize(orig string, dest string) {
mw := gmagick.NewMagickWand()
defer mw.Destroy()
mw.ReadImage(orig)
filter := gmagick.FILTER_LANCZOS
w := mw.GetImageWidth()
h := mw.GetImageHeight()
mw.ResizeImage(w/2, h/2, filter, 1)
mw.WriteImage(dest)
}
func main() {
f := flag.String("from", "", "original image file ...")
t := flag.String("to", "", "target file ...")
flag.Parse()
gmagick.Initialize()
defer gmagick.Terminate()
resize(*f, *t)
}
====================================================
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