ubuntu 20.04 magick 安装 编译

下载

wget https://imagemagick.org/download/ImageMagick.tar.gz
tar xvf ImageMagick.tar.gz
cd ImageMagick-7.1.0-8/
./configure
ImageMagick 7.1.0-8 is configured as follows. Please verify that this
configuration matches your expectations.

Host system type: x86_64-pc-linux-gnu
Build system type: x86_64-pc-linux-gnu

                  Option                        Value
------------------------------------------------------------------------------
Shared libraries  --enable-shared=yes        yes
Static libraries  --enable-static=yes        yes
Build utilities   --with-utilities=yes        yes
Module support    --with-modules=no        no
GNU ld            --with-gnu-ld=yes        yes
Quantum depth     --with-quantum-depth=16    16
High Dynamic Range Imagery
                  --enable-hdri=yes        yes

Install documentation:                yes

Memory allocation library:
  JEMalloc          --with-jemalloc=no        no
  TCMalloc          --with-tcmalloc=no        no
  UMem              --with-umem=no        no

Delegate library configuration:
  BZLIB             --with-bzlib=yes        yes
  Autotrace         --with-autotrace=no        no
  DJVU              --with-djvu=yes        no
  DPS               --with-dps=yes        no
  FFTW              --with-fftw=no        no
  FLIF              --with-flif=yes        no
  FlashPIX          --with-fpx=yes        no
  FontConfig        --with-fontconfig=yes    yes
  FreeType          --with-freetype=yes        yes
  Ghostscript lib   --with-gslib=no        no
  Graphviz          --with-gvc=yes        no
  HEIC              --with-heic=yes        no
  JBIG              --with-jbig=yes        yes
  JPEG v1           --with-jpeg=yes        yes
  JPEG XL           --with-jxl=no        no
  LCMS              --with-lcms=yes        no
  LQR               --with-lqr=yes        no
  LTDL              --with-ltdl=no        no
  LZMA              --with-lzma=yes        yes
  Magick++          --with-magick-plus-plus=yes    yes
  OpenEXR           --with-openexr=yes        no
  OpenJP2           --with-openjp2=yes        no
  PANGO             --with-pango=yes        yes
  PERL              --with-perl=no        no
  PNG               --with-png=yes        yes
  RAQM              --with-raqm=yes        no
  RAW               --with-raw=yes        no
  RSVG              --with-rsvg=no        no
  TIFF              --with-tiff=yes        yes
  WEBP              --with-webp=yes        no
  WMF               --with-wmf=no        no
  X11               --with-x=            yes
  XML               --with-xml=yes        yes
  ZIP               --with-zip=yes        no
  ZLIB              --with-zlib=yes        yes
  ZSTD              --with-zstd=yes        no

可选
sudo apt-get install libpng-dev libjpeg-dev

make && sudo make install
convert --version

Version: ImageMagick 7.1.0-8 Q16-HDRI x86_64 2021-09-18 https://imagemagick.org
Copyright: (C) 1999-2021 ImageMagick Studio LLC
License: https://imagemagick.org/script/license.php
Features: Cipher DPC HDRI OpenMP(4.5) 
Delegates (built-in): bzlib fontconfig freetype jbig jng jpeg lzma pangocairo png tiff x xml zlib
Compiler: gcc (9.3)

查看支持的文件格式
convert -list format

   Format  Mode  Description
-------------------------------------------------------------------------------
      3FR  r--   Hasselblad CFV/H3D39II
      3G2  r--   Media Container
      3GP  r--   Media Container
        A* rw+   Raw alpha samples
      AAI* rw+   AAI Dune image
       AI  rw-   Adobe Illustrator CS2
     APNG  rw+   Animated Portable Network Graphics
      ART* rw-   PFS: 1st Publisher Clip Art
      ARW  r--   Sony Alpha Raw Image Format
   ASHLAR* -w+   Image sequence laid out in continuous irregular courses
      AVI  r--   Microsoft Audio/Visual Interleaved
      AVS* rw+   AVS X image
        B* rw+   Raw blue samples
      BGR* rw+   Raw blue, green, and red samples
     BGRA* rw+   Raw blue, green, red, and alpha samples
     BGRO* rw+   Raw blue, green, red, and opacity samples
      BIE* rw-   Joint Bi-level Image experts Group interchange format (2.1)
      BMP* rw-   Microsoft Windows bitmap image

。。。

转换图片格式
将文件QRcode.png转换成jpeg格式

convert QRcode.png QRcode.jpeg

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