可以找到许多关于此的信息(例如)
我输入convert x.pdf x-%03d.png
(或jpg结果相同),其中x.pdf
是两页文档,我得到第一页而不是两个文件x-%04d.png
的文件x-000.png
和x-001.png
。 convert x.pdf[1] x.png
正常运作。
我做错了什么?
$ convert -version
GraphicsMagick 1.3.20 2014-08-16 Q8 http://www.GraphicsMagick.org/
Copyright (C) 2002-2014 GraphicsMagick Group.
Additional copyrights and licenses apply to this software.
See http://www.GraphicsMagick.org/www/Copyright.html for details.
Feature Support:
Native Thread Safe yes
Large Files (> 32 bit) yes
Large Memory (> 32 bit) yes
BZIP yes
DPS no
FlashPix no
FreeType yes
Ghostscript (Library) no
JBIG yes
JPEG-2000 yes
JPEG yes
Little CMS yes
Loadable Modules no
OpenMP yes (201307)
PNG yes
TIFF yes
TRIO no
UMEM no
WebP no
WMF yes
X11 yes
XML yes
ZLIB yes
Host type: x86_64-pc-linux-gnu
Configured using the command:
./configure '--build' 'x86_64-linux-gnu' '--enable-shared' '--enable-static' '--enable-libtool-verbose' '--prefix=/usr' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--docdir=${prefix}/share/doc/graphicsmagick' '--with-gs-font-dir=/usr/share/fonts/type1/gsfonts' '--with-x' '--x-includes=/usr/include/X11' '--x-libraries=/usr/lib/X11' '--without-dps' '--without-modules' '--without-frozenpaths' '--with-perl' '--with-perl-options=INSTALLDIRS=vendor' 'build_alias=x86_64-linux-gnu' 'CFLAGS=-Wall -g -fno-strict-aliasing -O2' 'LDFLAGS=' 'CXXFLAGS=-Wall -g -fno-strict-aliasing -O2'
Final Build Parameters:
CC = gcc -std=gnu99
CFLAGS = -fopenmp -Wall -g -fno-strict-aliasing -O2 -Wall -pthread
CPPFLAGS = -I/usr/include/X11 -I/usr/include/freetype2 -I/usr/include/libxml2
CXX = g++
CXXFLAGS = -Wall -g -fno-strict-aliasing -O2 -pthread
LDFLAGS = -L/usr/lib/X11 -L/usr/lib -L/usr/lib
LIBS = -ljbig -llcms2 -ltiff -lfreetype -ljasper -ljpeg -lpng12 -lwmflite -lXext -lSM -lICE -lX11 -llzma -lbz2 -lxml2 -lz -lm -lgomp -lpthread