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
HEIF/HVEC ("HEIC") yes
JBIG yes
JPEG-2000 no
JPEG yes
JPEG XL no
Little CMS yes
Loadable Modules no
Solaris mtmalloc no
Google perftools tcmalloc no
OpenMP yes (201511 "4.5")
PNG yes
TIFF yes
TRIO no
Solaris umem no
WebP yes
WMF yes
X11 yes
XML yes
ZLIB yes
command:
gm convert lib/alpha.heic -resize 240x240 res.png
output: gm convert: Number of images is not supported (lib/alpha.heic).Is the heic image attached is an invalid heic image? alpha.zip
mediainfo of file General Complete name : alpha.heic Format : HEIF Codec ID : mif1 (mif1/heic) File size : 433 KiB
Image 1 ID : 1002 Format : HEVC Format/Info : High Efficiency Video Coding Format profile : Main@L6.2@Main Codec ID : hvc1 Codec ID/Info : High Efficiency Video Coding Width : 1 440 pixels Height : 960 pixels Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Stream size : 192 KiB (44%) Default : No Derived : 1009 Codec configuration box : hvcC
Image 2 ID : 1005 Format : HEVC Format/Info : High Efficiency Video Coding Format profile : Main@L6.2@Main Codec ID : hvc1 Codec ID/Info : High Efficiency Video Coding Width : 1 440 pixels Height : 960 pixels Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Stream size : 239 KiB (55%) Default : No Auxilary : 1008 Derived : 1009 Codec configuration box : hvcC
Image 3 ID : 1008 Format : HEVC Format/Info : High Efficiency Video Coding Format profile : Main@L6@Main Codec ID : hvc1 Codec ID/Info : High Efficiency Video Coding Width : 1 440 pixels Height : 960 pixels Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Stream size : 400 Bytes (0%) Default : No Auxilary for : 1005 Codec configuration box : hvcC
Image 4 ID : 1009 Format : Image Overlay Width : 1 440 pixels Height : 960 pixels Stream size : 22.0 Bytes (0%) Derived for : 1002,1005
=========== GM VERSION ===========:
GraphicsMagick 1.3.38 2022-03-26 Q16 http://www.GraphicsMagick.org/ Copyright (C) 2002-2022 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 HEIF/HVEC ("HEIC") yes JBIG yes JPEG-2000 no JPEG yes JPEG XL no Little CMS yes Loadable Modules no Solaris mtmalloc no Google perftools tcmalloc no OpenMP yes (201511 "4.5") PNG yes TIFF yes TRIO no Solaris umem no WebP yes 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' '--without-dps' '--without-modules' '--without-frozenpaths' '--with-webp=yes' '--with-zstd=yes' '--with-perl' '--with-perl-options=INSTALLDIRS=vendor' '--enable-quantum-library-names' '--with-quantum-depth=16' 'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2 -ffile-prefix-map=/build/graphicsmagick-vK5lFw/graphicsmagick-1.4+really1.3.38=. -flto=auto -ffat-lto-objects -flto=auto -ffat-lto-objects -fstack-protector-strong -Wformat -Werror=format-security' 'LDFLAGS=-Wl,-Bsymbolic-functions -flto=auto -ffat-lto-objects -flto=auto -Wl,-z,relro -Wl,-z,now' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -ffile-prefix-map=/build/graphicsmagick-vK5lFw/graphicsmagick-1.4+really1.3.38=. -flto=auto -ffat-lto-objects -flto=a
Final Build Parameters: CC = gcc CFLAGS = -fopenmp -g -O2 -ffile-prefix-map=/build/graphicsmagick-vK5lFw/graphicsmagick-1.4+really1.3.38=. -flto=auto -ffat-lto-objects -flto=auto -ffat-lto-objects -fstack-protector-strong -Wformat -Werror=format-security -Wall CPPFLAGS = -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/freetype2 -I/usr/include/libxml2 CXX = g++ CXXFLAGS = -g -O2 -ffile-prefix-map=/build/graphicsmagick-vK5lFw/graphicsmagick-1.4+really1.3.38=. -flto=auto -ffat-lto-objects -flto=auto -ffat-lto-objects -fstack-protector-strong -Wformat -Werror=format-security LDFLAGS = -Wl,-Bsymbolic-functions -flto=auto -ffat-lto-objects -flto=auto -Wl,-z,relro -Wl,-z,now LIBS = -ljbig -lwebp -lwebpmux -lheif -lde265 -llcms2 -ltiff -lfreetype -ljpeg -lpng16 -lwmflite -lXext -lSM -lICE -lX11 -llzma -lbz2 -lxml2 -lz -lzstd -lm -lpthread