Merge branch 'add-heifload'

2019-02-17 17:11:14 +00:00 · 2019-02-17 17:11:14 +00:00 · 1a83605238
commit 1a83605238
parent d4ddfa5eb4 308c85c004
17 changed files with 2823 additions and 12 deletions
--- a/2
+++ b/2
@ -23,6 +23,8 @@
 - add XMP, IPCT, ICC, EXIF etc. support to magickload/magicksave
 - much lower memuse for gifload
 - tilecache speedups
+- add vips_heifload(), vips_heifsave()
+- add heif thumbnail support to vips_thumbnail()

 4/1/19 started 8.7.4
 - magickload with magick6 API did not chain exceptions correctly causing a
--- a/confdefs.h
+++ b/confdefs.h
@ -0,0 +1,153 @@
+/* confdefs.h */
+#define PACKAGE_NAME "vips"
+#define PACKAGE_TARNAME "vips"
+#define PACKAGE_VERSION "8.8.0"
+#define PACKAGE_STRING "vips 8.8.0"
+#define PACKAGE_BUGREPORT "vipsip@jiscmail.ac.uk"
+#define PACKAGE_URL ""
+#define PACKAGE "vips"
+#define VERSION "8.8.0"
+#define G_LOG_DOMAIN "VIPS"
+#define VIPS_ICC_DIR "/usr/share/color/icc"
+#define VIPS_PREFIX "/home/john/vips"
+#define VIPS_LIBDIR "/home/john/vips/lib"
+#define GETTEXT_PACKAGE "vips8.8"
+#define STDC_HEADERS 1
+#define HAVE_SYS_TYPES_H 1
+#define HAVE_SYS_STAT_H 1
+#define HAVE_STDLIB_H 1
+#define HAVE_STRING_H 1
+#define HAVE_MEMORY_H 1
+#define HAVE_STRINGS_H 1
+#define HAVE_INTTYPES_H 1
+#define HAVE_STDINT_H 1
+#define HAVE_UNISTD_H 1
+#define HAVE_LOCALE_H 1
+#define HAVE_LC_MESSAGES 1
+#define HAVE_BIND_TEXTDOMAIN_CODESET 1
+#define HAVE_GETTEXT 1
+#define HAVE_DCGETTEXT 1
+#define ENABLE_NLS 1
+#define HAVE_DIRENT_H 1
+#define STDC_HEADERS 1
+#define HAVE_ERRNO_H 1
+#define HAVE_MATH_H 1
+#define HAVE_FCNTL_H 1
+#define HAVE_LIMITS_H 1
+#define HAVE_STDLIB_H 1
+#define HAVE_STRING_H 1
+#define HAVE_SYS_FILE_H 1
+#define HAVE_SYS_IOCTL_H 1
+#define HAVE_SYS_PARAM_H 1
+#define HAVE_SYS_TIME_H 1
+#define HAVE_SYS_MMAN_H 1
+#define HAVE_SYS_TYPES_H 1
+#define HAVE_SYS_STAT_H 1
+#define HAVE_UNISTD_H 1
+#define HAVE_DLFCN_H 1
+#define LT_OBJDIR ".libs/"
+#define restrict __restrict
+#define HAVE_VAR_ATTRIBUTE_VECTOR_SIZE 1
+#define HAVE_VECTOR_SHUFFLE 1
+#define HAVE_VECTOR_ARITH 1
+#define HAVE_STDLIB_H 1
+#define HAVE_UNISTD_H 1
+#define HAVE_SYS_PARAM_H 1
+#define HAVE_GETPAGESIZE 1
+#define HAVE_MMAP 1
+#define HAVE_VPRINTF 1
+#define HAVE_GETCWD 1
+#define HAVE_GETTIMEOFDAY 1
+#define HAVE_GETWD 1
+#define HAVE_MEMSET 1
+#define HAVE_MUNMAP 1
+#define HAVE_PUTENV 1
+#define HAVE_REALPATH 1
+#define HAVE_STRCASECMP 1
+#define HAVE_STRCHR 1
+#define HAVE_STRCSPN 1
+#define HAVE_STRDUP 1
+#define HAVE_STRERROR 1
+#define HAVE_STRRCHR 1
+#define HAVE_STRSPN 1
+#define HAVE_VSNPRINTF 1
+#define HAVE_REALPATH 1
+#define HAVE_MKSTEMP 1
+#define HAVE_MKTEMP 1
+#define HAVE_RANDOM 1
+#define HAVE_RAND 1
+#define HAVE_SYSCONF 1
+#define HAVE_ATEXIT 1
+#define HAVE_CBRT 1
+#define HAVE_HYPOT 1
+#define HAVE_ATAN2 1
+#define HAVE_CONTEXT_GET_HELP 1
+#define HAVE_MONOTONIC_TIME 1
+#define HAVE_MUTEX_INIT 1
+#define HAVE_COND_INIT 1
+#define HAVE_THREAD_NEW 1
+#define HAVE_PRIVATE_INIT 1
+#define HAVE_VALUE_GET_SCHAR 1
+#define HAVE_G_STR_TO_ASCII 1
+#define HAVE_CHECKED_MUL 1
+#define HAVE_EXPAT_H 1
+#define HAVE_GSF 1
+#define HAVE_GSF_ZIP64 1
+#define HAVE_GSF_DEFLATE_LEVEL 1
+#define HAVE_FFTW 1
+#define HAVE_MAGICK6 1
+#define HAVE_SETIMAGEOPTION 1
+#define HAVE_SETIMAGEOPTION 1
+#define HAVE_MAGICKCOREGENESIS 1
+#define HAVE_MAGICKCOREGENESIS 1
+#define HAVE_RESETIMAGEPROPERTYITERATOR 1
+#define HAVE_RESETIMAGEPROPERTYITERATOR 1
+#define HAVE_RESETIMAGEATTRIBUTEITERATOR 1
+#define HAVE_RESETIMAGEATTRIBUTEITERATOR 1
+#define HAVE_RESETIMAGEPROFILEITERATOR 1
+#define HAVE_RESETIMAGEPROFILEITERATOR 1
+#define HAVE_GETVIRTUALPIXELS 1
+#define HAVE_GETVIRTUALPIXELS 1
+#define HAVE_NUMBER_SCENES 1
+#define HAVE_ACQUIREIMAGE 1
+#define HAVE_ACQUIREIMAGE 1
+#define HAVE_SETIMAGEEXTENT 1
+#define HAVE_SETIMAGEEXTENT 1
+#define HAVE_SETIMAGEPROPERTY 1
+#define HAVE_SETIMAGEPROPERTY 1
+#define HAVE_BLOBTOSTRINGINFO 1
+#define HAVE_BLOBTOSTRINGINFO 1
+#define HAVE_INHERITEXCEPTION 1
+#define HAVE_INHERITEXCEPTION 1
+#define HAVE_ACQUIREEXCEPTIONINFO 1
+#define HAVE_ACQUIREEXCEPTIONINFO 1
+#define HAVE_IMPORTIMAGEPIXELS 1
+#define HAVE_IMPORTIMAGEPIXELS 1
+#define HAVE_IMAGESTOBLOB 1
+#define HAVE_IMAGESTOBLOB 1
+#define ENABLE_MAGICKLOAD 1
+#define ENABLE_MAGICKSAVE 1
+#define HAVE_ORC 1
+#define HAVE_ORC_PROGRAM_GET_ERROR 1
+#define HAVE_ORC_PROGRAM_GET_ERROR 1
+#define HAVE_LCMS2 1
+#define HAVE_OPENEXR 1
+#define HAVE_NIFTI 1
+#define HAVE_POPPLER 1
+#define HAVE_RSVG 1
+#define HAVE_ZLIB 1
+#define HAVE_OPENSLIDE_3_4 1
+#define HAVE_OPENSLIDE 1
+#define HAVE_MATIO 1
+#define HAVE_PPM 1
+#define HAVE_ANALYZE 1
+#define HAVE_RADIANCE 1
+#define HAVE_CFITSIO 1
+#define HAVE_LIBWEBP 1
+#define HAVE_PANGOFT2 1
+#define HAVE_TIFF 1
+#define HAVE_GIFLIB 1
+#define HAVE_PNG 1
+#define HAVE_JPEG 1
+#define HAVE_EXIF 1
+#define UNTAGGED_EXIF 1
--- a/configure.ac
+++ b/configure.ac
@ -911,6 +911,22 @@ if test x"$with_nifti" != x"no"; then
  )
 fi

+# libheif
+AC_ARG_WITH([heif], 
+  AS_HELP_STRING([--without-heif], [build without libheif (default: test)]))
+
+if test x"$with_heif" != x"no"; then
+  PKG_CHECK_MODULES(HEIF, libheif,
+    [AC_DEFINE(HAVE_HEIF,1,[define if you have libheif installed.])
+     with_heif=yes
+     PACKAGES_USED="$PACKAGES_USED libheif"
+    ],
+    [AC_MSG_WARN([libheif not found; disabling HEIF support])
+     with_heif=no
+    ]
+  )
+fi
+
 # pdfium
 AC_ARG_WITH([pdfium],
  AS_HELP_STRING([--without-pdfium], [build without pdfium (default: test)]))
@ -1326,14 +1342,14 @@ fi
 # Gather all up for VIPS_CFLAGS, VIPS_INCLUDES, VIPS_LIBS 
 # sort includes to get longer, more specific dirs first
 # helps, for example, selecting graphicsmagick over imagemagick
-VIPS_CFLAGS=`for i in $VIPS_CFLAGS $GTHREAD_CFLAGS $REQUIRED_CFLAGS $EXPAT_CFLAGS $ZLIB_CFLAGS $PANGOFT2_CFLAGS $GSF_CFLAGS $FFTW_CFLAGS $MAGICK_CFLAGS $JPEG_CFLAGS $PNG_CFLAGS $IMAGEQUANT_CFLAGS $EXIF_CFLAGS $MATIO_CFLAGS $CFITSIO_CFLAGS $LIBWEBP_CFLAGS $LIBWEBPMUX_CFLAGS $GIFLIB_INCLUDES $RSVG_CFLAGS $PDFIUM_INCLUDES $POPPLER_CFLAGS $OPENEXR_CFLAGS $OPENSLIDE_CFLAGS $ORC_CFLAGS $TIFF_CFLAGS $LCMS_CFLAGS 
+VIPS_CFLAGS=`for i in $VIPS_CFLAGS $GTHREAD_CFLAGS $REQUIRED_CFLAGS $EXPAT_CFLAGS $ZLIB_CFLAGS $PANGOFT2_CFLAGS $GSF_CFLAGS $FFTW_CFLAGS $MAGICK_CFLAGS $JPEG_CFLAGS $PNG_CFLAGS $IMAGEQUANT_CFLAGS $EXIF_CFLAGS $MATIO_CFLAGS $CFITSIO_CFLAGS $LIBWEBP_CFLAGS $LIBWEBPMUX_CFLAGS $GIFLIB_INCLUDES $RSVG_CFLAGS $PDFIUM_INCLUDES $POPPLER_CFLAGS $OPENEXR_CFLAGS $OPENSLIDE_CFLAGS $ORC_CFLAGS $TIFF_CFLAGS $LCMS_CFLAGS $HEIF_CFLAGS
 do 
 	echo $i 
 done | sort -ru`
 VIPS_CFLAGS=`echo $VIPS_CFLAGS`
 VIPS_CFLAGS="$VIPS_DEBUG_FLAGS $VIPS_CFLAGS"
 VIPS_INCLUDES="$ZLIB_INCLUDES $PNG_INCLUDES $TIFF_INCLUDES $JPEG_INCLUDES $NIFTI_INCLUDES" 
-VIPS_LIBS="$ZLIB_LIBS $MAGICK_LIBS $PNG_LIBS $IMAGEQUANT_LIBS $TIFF_LIBS $JPEG_LIBS $GTHREAD_LIBS $REQUIRED_LIBS $EXPAT_LIBS $PANGOFT2_LIBS $GSF_LIBS $FFTW_LIBS $ORC_LIBS $LCMS_LIBS $GIFLIB_LIBS $RSVG_LIBS $NIFTI_LIBS $PDFIUM_LIBS $POPPLER_LIBS $OPENEXR_LIBS $OPENSLIDE_LIBS $CFITSIO_LIBS $LIBWEBP_LIBS $LIBWEBPMUX_LIBS $MATIO_LIBS $EXIF_LIBS -lm"
+VIPS_LIBS="$ZLIB_LIBS $HEIF_LIBS $MAGICK_LIBS $PNG_LIBS $IMAGEQUANT_LIBS $TIFF_LIBS $JPEG_LIBS $GTHREAD_LIBS $REQUIRED_LIBS $EXPAT_LIBS $PANGOFT2_LIBS $GSF_LIBS $FFTW_LIBS $ORC_LIBS $LCMS_LIBS $GIFLIB_LIBS $RSVG_LIBS $NIFTI_LIBS $PDFIUM_LIBS $POPPLER_LIBS $OPENEXR_LIBS $OPENSLIDE_LIBS $CFITSIO_LIBS $LIBWEBP_LIBS $LIBWEBPMUX_LIBS $MATIO_LIBS $EXIF_LIBS -lm"

 AC_SUBST(VIPS_LIBDIR)

@ -1426,6 +1442,7 @@ accelerate loops with orc: 		$with_orc
  (requires orc-0.4.11 or later)
 ICC profile support with lcms: 		$with_lcms
 file import with niftiio: 		$with_nifti
+file import with libheif: 		$with_heif
 file import with OpenEXR: 		$with_OpenEXR
 file import with OpenSlide:		$with_openslide
  (requires openslide-3.3.0 or later)
--- a/confrLMsNU/defines.awk
+++ b/confrLMsNU/defines.awk
@ -0,0 +1,184 @@
+BEGIN {
+D["PACKAGE_NAME"]=" \"vips\""
+D["PACKAGE_TARNAME"]=" \"vips\""
+D["PACKAGE_VERSION"]=" \"8.8.0\""
+D["PACKAGE_STRING"]=" \"vips 8.8.0\""
+D["PACKAGE_BUGREPORT"]=" \"vipsip@jiscmail.ac.uk\""
+D["PACKAGE_URL"]=" \"\""
+D["PACKAGE"]=" \"vips\""
+D["VERSION"]=" \"8.8.0\""
+D["G_LOG_DOMAIN"]=" \"VIPS\""
+D["VIPS_ICC_DIR"]=" \"/usr/share/color/icc\""
+D["VIPS_PREFIX"]=" \"/home/john/vips\""
+D["VIPS_LIBDIR"]=" \"/home/john/vips/lib\""
+D["GETTEXT_PACKAGE"]=" \"vips8.8\""
+D["STDC_HEADERS"]=" 1"
+D["HAVE_SYS_TYPES_H"]=" 1"
+D["HAVE_SYS_STAT_H"]=" 1"
+D["HAVE_STDLIB_H"]=" 1"
+D["HAVE_STRING_H"]=" 1"
+D["HAVE_MEMORY_H"]=" 1"
+D["HAVE_STRINGS_H"]=" 1"
+D["HAVE_INTTYPES_H"]=" 1"
+D["HAVE_STDINT_H"]=" 1"
+D["HAVE_UNISTD_H"]=" 1"
+D["HAVE_LOCALE_H"]=" 1"
+D["HAVE_LC_MESSAGES"]=" 1"
+D["HAVE_BIND_TEXTDOMAIN_CODESET"]=" 1"
+D["HAVE_GETTEXT"]=" 1"
+D["HAVE_DCGETTEXT"]=" 1"
+D["ENABLE_NLS"]=" 1"
+D["HAVE_DIRENT_H"]=" 1"
+D["STDC_HEADERS"]=" 1"
+D["HAVE_ERRNO_H"]=" 1"
+D["HAVE_MATH_H"]=" 1"
+D["HAVE_FCNTL_H"]=" 1"
+D["HAVE_LIMITS_H"]=" 1"
+D["HAVE_STDLIB_H"]=" 1"
+D["HAVE_STRING_H"]=" 1"
+D["HAVE_SYS_FILE_H"]=" 1"
+D["HAVE_SYS_IOCTL_H"]=" 1"
+D["HAVE_SYS_PARAM_H"]=" 1"
+D["HAVE_SYS_TIME_H"]=" 1"
+D["HAVE_SYS_MMAN_H"]=" 1"
+D["HAVE_SYS_TYPES_H"]=" 1"
+D["HAVE_SYS_STAT_H"]=" 1"
+D["HAVE_UNISTD_H"]=" 1"
+D["HAVE_DLFCN_H"]=" 1"
+D["LT_OBJDIR"]=" \".libs/\""
+D["restrict"]=" __restrict"
+D["HAVE_VAR_ATTRIBUTE_VECTOR_SIZE"]=" 1"
+D["HAVE_VECTOR_SHUFFLE"]=" 1"
+D["HAVE_VECTOR_ARITH"]=" 1"
+D["HAVE_STDLIB_H"]=" 1"
+D["HAVE_UNISTD_H"]=" 1"
+D["HAVE_SYS_PARAM_H"]=" 1"
+D["HAVE_GETPAGESIZE"]=" 1"
+D["HAVE_MMAP"]=" 1"
+D["HAVE_VPRINTF"]=" 1"
+D["HAVE_GETCWD"]=" 1"
+D["HAVE_GETTIMEOFDAY"]=" 1"
+D["HAVE_GETWD"]=" 1"
+D["HAVE_MEMSET"]=" 1"
+D["HAVE_MUNMAP"]=" 1"
+D["HAVE_PUTENV"]=" 1"
+D["HAVE_REALPATH"]=" 1"
+D["HAVE_STRCASECMP"]=" 1"
+D["HAVE_STRCHR"]=" 1"
+D["HAVE_STRCSPN"]=" 1"
+D["HAVE_STRDUP"]=" 1"
+D["HAVE_STRERROR"]=" 1"
+D["HAVE_STRRCHR"]=" 1"
+D["HAVE_STRSPN"]=" 1"
+D["HAVE_VSNPRINTF"]=" 1"
+D["HAVE_REALPATH"]=" 1"
+D["HAVE_MKSTEMP"]=" 1"
+D["HAVE_MKTEMP"]=" 1"
+D["HAVE_RANDOM"]=" 1"
+D["HAVE_RAND"]=" 1"
+D["HAVE_SYSCONF"]=" 1"
+D["HAVE_ATEXIT"]=" 1"
+D["HAVE_CBRT"]=" 1"
+D["HAVE_HYPOT"]=" 1"
+D["HAVE_ATAN2"]=" 1"
+D["HAVE_CONTEXT_GET_HELP"]=" 1"
+D["HAVE_MONOTONIC_TIME"]=" 1"
+D["HAVE_MUTEX_INIT"]=" 1"
+D["HAVE_COND_INIT"]=" 1"
+D["HAVE_THREAD_NEW"]=" 1"
+D["HAVE_PRIVATE_INIT"]=" 1"
+D["HAVE_VALUE_GET_SCHAR"]=" 1"
+D["HAVE_G_STR_TO_ASCII"]=" 1"
+D["HAVE_CHECKED_MUL"]=" 1"
+D["HAVE_EXPAT_H"]=" 1"
+D["HAVE_GSF"]=" 1"
+D["HAVE_GSF_ZIP64"]=" 1"
+D["HAVE_GSF_DEFLATE_LEVEL"]=" 1"
+D["HAVE_FFTW"]=" 1"
+D["HAVE_MAGICK6"]=" 1"
+D["HAVE_SETIMAGEOPTION"]=" 1"
+D["HAVE_SETIMAGEOPTION"]=" 1"
+D["HAVE_MAGICKCOREGENESIS"]=" 1"
+D["HAVE_MAGICKCOREGENESIS"]=" 1"
+D["HAVE_RESETIMAGEPROPERTYITERATOR"]=" 1"
+D["HAVE_RESETIMAGEPROPERTYITERATOR"]=" 1"
+D["HAVE_RESETIMAGEATTRIBUTEITERATOR"]=" 1"
+D["HAVE_RESETIMAGEATTRIBUTEITERATOR"]=" 1"
+D["HAVE_RESETIMAGEPROFILEITERATOR"]=" 1"
+D["HAVE_RESETIMAGEPROFILEITERATOR"]=" 1"
+D["HAVE_GETVIRTUALPIXELS"]=" 1"
+D["HAVE_GETVIRTUALPIXELS"]=" 1"
+D["HAVE_NUMBER_SCENES"]=" 1"
+D["HAVE_ACQUIREIMAGE"]=" 1"
+D["HAVE_ACQUIREIMAGE"]=" 1"
+D["HAVE_SETIMAGEEXTENT"]=" 1"
+D["HAVE_SETIMAGEEXTENT"]=" 1"
+D["HAVE_SETIMAGEPROPERTY"]=" 1"
+D["HAVE_SETIMAGEPROPERTY"]=" 1"
+D["HAVE_BLOBTOSTRINGINFO"]=" 1"
+D["HAVE_BLOBTOSTRINGINFO"]=" 1"
+D["HAVE_INHERITEXCEPTION"]=" 1"
+D["HAVE_INHERITEXCEPTION"]=" 1"
+D["HAVE_ACQUIREEXCEPTIONINFO"]=" 1"
+D["HAVE_ACQUIREEXCEPTIONINFO"]=" 1"
+D["HAVE_IMPORTIMAGEPIXELS"]=" 1"
+D["HAVE_IMPORTIMAGEPIXELS"]=" 1"
+D["HAVE_IMAGESTOBLOB"]=" 1"
+D["HAVE_IMAGESTOBLOB"]=" 1"
+D["ENABLE_MAGICKLOAD"]=" 1"
+D["ENABLE_MAGICKSAVE"]=" 1"
+D["HAVE_ORC"]=" 1"
+D["HAVE_ORC_PROGRAM_GET_ERROR"]=" 1"
+D["HAVE_ORC_PROGRAM_GET_ERROR"]=" 1"
+D["HAVE_LCMS2"]=" 1"
+D["HAVE_OPENEXR"]=" 1"
+D["HAVE_NIFTI"]=" 1"
+D["HAVE_POPPLER"]=" 1"
+D["HAVE_RSVG"]=" 1"
+D["HAVE_ZLIB"]=" 1"
+D["HAVE_OPENSLIDE_3_4"]=" 1"
+D["HAVE_OPENSLIDE"]=" 1"
+D["HAVE_MATIO"]=" 1"
+D["HAVE_PPM"]=" 1"
+D["HAVE_ANALYZE"]=" 1"
+D["HAVE_RADIANCE"]=" 1"
+D["HAVE_CFITSIO"]=" 1"
+D["HAVE_LIBWEBP"]=" 1"
+D["HAVE_PANGOFT2"]=" 1"
+D["HAVE_TIFF"]=" 1"
+D["HAVE_GIFLIB"]=" 1"
+D["HAVE_PNG"]=" 1"
+D["HAVE_JPEG"]=" 1"
+D["HAVE_EXIF"]=" 1"
+D["UNTAGGED_EXIF"]=" 1"
+  for (key in D) D_is_set[key] = 1
+  FS = ""
+}
+/^[\t ]*#[\t ]*(define|undef)[\t ]+[_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ][_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]*([\t (]|$)/ {
+  line = $ 0
+  split(line, arg, " ")
+  if (arg[1] == "#") {
+    defundef = arg[2]
+    mac1 = arg[3]
+  } else {
+    defundef = substr(arg[1], 2)
+    mac1 = arg[2]
+  }
+  split(mac1, mac2, "(") #)
+  macro = mac2[1]
+  prefix = substr(line, 1, index(line, defundef) - 1)
+  if (D_is_set[macro]) {
+    # Preserve the white space surrounding the "#".
+    print prefix "define", macro P[macro] D[macro]
+    next
+  } else {
+    # Replace #undef with comments.  This is necessary, for example,
+    # in the case of _POSIX_SOURCE, which is predefined and required
+    # on some systems where configure will not decide to define it.
+    if (defundef == "undef") {
+      print "/*", prefix defundef, macro, "*/"
+      next
+    }
+  }
+}
+{ print }
--- a/confrLMsNU/subs.awk
+++ b/confrLMsNU/subs.awk
@ -0,0 +1,389 @@
+BEGIN {
+S["am__EXEEXT_FALSE"]=""
+S["am__EXEEXT_TRUE"]="#"
+S["LTLIBOBJS"]=""
+S["TOP_SRCDIR"]="/home/john/GIT/libvips"
+S["EXTRA_LIBS_USED"]=""
+S["PACKAGES_USED"]=" glib-2.0 gmodule-2.0 gobject-2.0 libgsf-1 fftw3 MagickCore orc-0.4 lcms2 OpenEXR poppler-glib cairo librsvg-2.0 cairo zlib openslide matio cfitsio "\
+"libwebp libwebpmux libwebpdemux pangoft2 libtiff-4 libpng libjpeg libexif"
+S["VIPS_LIBS"]="-lz  -lMagickCore-6.Q16 -lpng16 -lz  -ltiff -ljpeg  -Wl,--export-dynamic -lgmodule-2.0 -pthread -lgobject-2.0 -lglib-2.0  -lexpat -lpangoft2-1.0 -lp"\
+"ango-1.0 -lgobject-2.0 -lglib-2.0 -lfontconfig -lfreetype -lgsf-1 -lgobject-2.0 -lglib-2.0 -lxml2 -lfftw3 -lorc-0.4 -llcms2 -lgif -lrsvg-2 -lm -lgio"\
+"-2.0 -lgdk_pixbuf-2.0 -lgobject-2.0 -lglib-2.0 -lcairo -lniftiio -lznz  -lpoppler-glib -lgobject-2.0 -lglib-2.0 -lcairo -lIlmImf -lImath -lHalf -lIe"\
+"x -lIexMath -lIlmThread -lpthread -lopenslide -lcfitsio -lpthread -lwebpmux -lwebpdemux -lwebp  -L/usr/lib/x86_64-linux-gnu/hdf5/serial/lib -lmatio "\
+"-lhdf5 -lz -lexif -lm"
+S["VIPS_INCLUDES"]="    -I/usr/include/nifti"
+S["VIPS_CFLAGS"]="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -pthread -fopenmp -I/usr/lib/x86_64-linux-gnu/hdf5/serial/include -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"\
+" -I/usr/include/x86_64-linux-gnu//ImageMagick-6 -I/usr/include/x86_64-linux-gnu -I/usr/include/uuid -I/usr/include/poppler/glib -I/usr/include/poppl"\
+"er -I/usr/include/pixman-1 -I/usr/include/pango-1.0 -I/usr/include/orc-0.4 -I/usr/include/openslide -I/usr/include/libxml2 -I/usr/include/librsvg-2."\
+"0 -I/usr/include/libpng16 -I/usr/include/libgsf-1 -I/usr/include/libexif -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/include/gdk-pixbuf-2"\
+".0 -I/usr/include/fribidi -I/usr/include/freetype2 -I/usr/include/cairo -I/usr/include/OpenEXR -I/usr/include/ImageMagick-6 -DMAGICKCORE_QUANTUM_DEP"\
+"TH=16 -DMAGICKCORE_HDRI_ENABLE=0"
+S["VIPS_LIBDIR"]="/home/john/vips/lib"
+S["HAVE_PYTHON_FALSE"]=""
+S["HAVE_PYTHON_TRUE"]="#"
+S["PYTHON_INCLUDES"]=""
+S["EXIF_LIBS"]="-lexif"
+S["EXIF_CFLAGS"]="-I/usr/include/libexif"
+S["JPEG_INCLUDES"]=""
+S["JPEG_LIBS"]="-ljpeg"
+S["JPEG_CFLAGS"]=""
+S["IMAGEQUANT_LIBS"]=""
+S["IMAGEQUANT_CFLAGS"]=""
+S["PNG_INCLUDES"]=""
+S["PNG_LIBS"]="-lpng16 -lz"
+S["PNG_CFLAGS"]="-I/usr/include/libpng16"
+S["GIFLIB_INCLUDES"]=""
+S["GIFLIB_LIBS"]="-lgif"
+S["TIFF_INCLUDES"]=""
+S["TIFF_LIBS"]="-ltiff"
+S["TIFF_CFLAGS"]="-I/usr/include/x86_64-linux-gnu"
+S["ENABLE_PYVIPS8_FALSE"]=""
+S["ENABLE_PYVIPS8_TRUE"]="#"
+S["PYGOBJECT_LIBS"]=""
+S["PYGOBJECT_CFLAGS"]=""
+S["pkgpyexecdir"]=""
+S["pyexecdir"]=""
+S["pkgpythondir"]=""
+S["pythondir"]=""
+S["PYTHON_PLATFORM"]=""
+S["PYTHON_EXEC_PREFIX"]=""
+S["PYTHON_PREFIX"]=""
+S["PYTHON_VERSION"]=""
+S["PYTHON"]=""
+S["PANGOFT2_LIBS"]="-lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0 -lfontconfig -lfreetype"
+S["PANGOFT2_CFLAGS"]="-I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/fribidi -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu"\
+"/glib-2.0/include -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16"
+S["LIBWEBP_LIBS"]="-lwebpmux -lwebpdemux -lwebp"
+S["LIBWEBP_CFLAGS"]=""
+S["CFITSIO_LIBS"]="-lcfitsio -lpthread"
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+S["exec_prefix"]="${prefix}"
+S["PACKAGE_URL"]=""
+S["PACKAGE_BUGREPORT"]="vipsip@jiscmail.ac.uk"
+S["PACKAGE_STRING"]="vips 8.8.0"
+S["PACKAGE_VERSION"]="8.8.0"
+S["PACKAGE_TARNAME"]="vips"
+S["PACKAGE_NAME"]="vips"
+S["PATH_SEPARATOR"]=":"
+S["SHELL"]="/bin/bash"
+S["am__quote"]=""
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
+}
+
--- a/confrLMsNU/subs1.awk
+++ b/confrLMsNU/subs1.awk
@ -0,0 +1,389 @@
+BEGIN {
+S["am__EXEEXT_FALSE"]=""
+S["am__EXEEXT_TRUE"]="#"
+S["LTLIBOBJS"]=""
+S["TOP_SRCDIR"]="/home/john/GIT/libvips"
+S["EXTRA_LIBS_USED"]=""
+S["PACKAGES_USED"]=" glib-2.0 gmodule-2.0 gobject-2.0 libgsf-1 fftw3 MagickCore orc-0.4 lcms2 OpenEXR poppler-glib cairo librsvg-2.0 cairo zlib openslide matio cfitsio "\
+"libwebp libwebpmux libwebpdemux pangoft2 libtiff-4 libpng libjpeg libexif"
+S["VIPS_LIBS"]="-lz  -lMagickCore-6.Q16 -lpng16 -lz  -ltiff -ljpeg  -Wl,--export-dynamic -lgmodule-2.0 -pthread -lgobject-2.0 -lglib-2.0  -lexpat -lpangoft2-1.0 -lp"\
+"ango-1.0 -lgobject-2.0 -lglib-2.0 -lfontconfig -lfreetype -lgsf-1 -lgobject-2.0 -lglib-2.0 -lxml2 -lfftw3 -lorc-0.4 -llcms2 -lgif -lrsvg-2 -lm -lgio"\
+"-2.0 -lgdk_pixbuf-2.0 -lgobject-2.0 -lglib-2.0 -lcairo -lniftiio -lznz  -lpoppler-glib -lgobject-2.0 -lglib-2.0 -lcairo -lIlmImf -lImath -lHalf -lIe"\
+"x -lIexMath -lIlmThread -lpthread -lopenslide -lcfitsio -lpthread -lwebpmux -lwebpdemux -lwebp  -L/usr/lib/x86_64-linux-gnu/hdf5/serial/lib -lmatio "\
+"-lhdf5 -lz -lexif -lm"
+S["VIPS_INCLUDES"]="    -I/usr/include/nifti"
+S["VIPS_CFLAGS"]="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -pthread -fopenmp -I/usr/lib/x86_64-linux-gnu/hdf5/serial/include -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"\
+" -I/usr/include/x86_64-linux-gnu//ImageMagick-6 -I/usr/include/x86_64-linux-gnu -I/usr/include/uuid -I/usr/include/poppler/glib -I/usr/include/poppl"\
+"er -I/usr/include/pixman-1 -I/usr/include/pango-1.0 -I/usr/include/orc-0.4 -I/usr/include/openslide -I/usr/include/libxml2 -I/usr/include/librsvg-2."\
+"0 -I/usr/include/libpng16 -I/usr/include/libgsf-1 -I/usr/include/libexif -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/include/gdk-pixbuf-2"\
+".0 -I/usr/include/fribidi -I/usr/include/freetype2 -I/usr/include/cairo -I/usr/include/OpenEXR -I/usr/include/ImageMagick-6 -DMAGICKCORE_QUANTUM_DEP"\
+"TH=16 -DMAGICKCORE_HDRI_ENABLE=0"
+S["VIPS_LIBDIR"]="/home/john/vips/lib"
+S["HAVE_PYTHON_FALSE"]=""
+S["HAVE_PYTHON_TRUE"]="#"
+S["PYTHON_INCLUDES"]=""
+S["EXIF_LIBS"]="-lexif"
+S["EXIF_CFLAGS"]="-I/usr/include/libexif"
+S["JPEG_INCLUDES"]=""
+S["JPEG_LIBS"]="-ljpeg"
+S["JPEG_CFLAGS"]=""
+S["IMAGEQUANT_LIBS"]=""
+S["IMAGEQUANT_CFLAGS"]=""
+S["PNG_INCLUDES"]=""
+S["PNG_LIBS"]="-lpng16 -lz"
+S["PNG_CFLAGS"]="-I/usr/include/libpng16"
+S["GIFLIB_INCLUDES"]=""
+S["GIFLIB_LIBS"]="-lgif"
+S["TIFF_INCLUDES"]=""
+S["TIFF_LIBS"]="-ltiff"
+S["TIFF_CFLAGS"]="-I/usr/include/x86_64-linux-gnu"
+S["ENABLE_PYVIPS8_FALSE"]=""
+S["ENABLE_PYVIPS8_TRUE"]="#"
+S["PYGOBJECT_LIBS"]=""
+S["PYGOBJECT_CFLAGS"]=""
+S["pkgpyexecdir"]=""
+S["pyexecdir"]=""
+S["pkgpythondir"]=""
+S["pythondir"]=""
+S["PYTHON_PLATFORM"]=""
+S["PYTHON_EXEC_PREFIX"]=""
+S["PYTHON_PREFIX"]=""
+S["PYTHON_VERSION"]=""
+S["PYTHON"]=""
+S["PANGOFT2_LIBS"]="-lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0 -lfontconfig -lfreetype"
+S["PANGOFT2_CFLAGS"]="-I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/fribidi -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu"\
+"/glib-2.0/include -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16"
+S["LIBWEBP_LIBS"]="-lwebpmux -lwebpdemux -lwebp"
+S["LIBWEBP_CFLAGS"]=""
+S["CFITSIO_LIBS"]="-lcfitsio -lpthread"
+S["CFITSIO_CFLAGS"]=""
+S["MATIO_LIBS"]="-L/usr/lib/x86_64-linux-gnu/hdf5/serial/lib -lmatio -lhdf5 -lz"
+S["MATIO_CFLAGS"]="-I/usr/lib/x86_64-linux-gnu/hdf5/serial/include"
+S["OPENSLIDE_LIBS"]="-lopenslide"
+S["OPENSLIDE_CFLAGS"]="-I/usr/include/openslide"
+S["ZLIB_INCLUDES"]=""
+S["ZLIB_LIBS"]="-lz"
+S["ZLIB_CFLAGS"]=""
+S["RSVG_LIBS"]="-lrsvg-2 -lm -lgio-2.0 -lgdk_pixbuf-2.0 -lgobject-2.0 -lglib-2.0 -lcairo"
+S["RSVG_CFLAGS"]="-pthread -I/usr/include/librsvg-2.0 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/"\
+"include -I/usr/include/pixman-1 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16"
+S["POPPLER_LIBS"]="-lpoppler-glib -lgobject-2.0 -lglib-2.0 -lcairo"
+S["POPPLER_CFLAGS"]="-I/usr/include/poppler/glib -I/usr/include/poppler -I/usr/include/cairo -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/"\
+"include/pixman-1 -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16"
+S["PDFIUM_INCLUDES"]=""
+S["PDFIUM_LIBS"]=""
+S["HEIF_LIBS"]=""
+S["HEIF_CFLAGS"]=""
+S["NIFTI_INCLUDES"]="-I/usr/include/nifti"
+S["NIFTI_LIBS"]="-lniftiio -lznz"
+S["X_EXTRA_LIBS"]=""
+S["X_LIBS"]=""
+S["X_PRE_LIBS"]=" -lSM -lICE"
+S["X_CFLAGS"]=""
+S["XMKMF"]=""
+S["OPENEXR_LIBS"]="-lIlmImf -lImath -lHalf -lIex -lIexMath -lIlmThread -lpthread"
+S["OPENEXR_CFLAGS"]="-I/usr/include/OpenEXR"
+S["ENABLE_LCMS_FALSE"]="#"
+S["ENABLE_LCMS_TRUE"]=""
+S["LCMS_LIBS"]="-llcms2"
+S["LCMS_CFLAGS"]=""
+S["ORC_LIBS"]="-lorc-0.4"
+S["ORC_CFLAGS"]="-I/usr/include/orc-0.4"
+S["MAGICK_LIBS"]="-lMagickCore-6.Q16"
+S["MAGICK_CFLAGS"]="-fopenmp -DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16 -I/usr/include/x86_64-linux-gnu//ImageMagick-6 -I/usr/include/ImageMagick-6"
+S["IMAGE_MAGICK_LIBS"]=""
+S["IMAGE_MAGICK_CFLAGS"]=""
+S["MAGICK_WAND_LIBS"]="-lMagickCore-6.Q16"
+S["MAGICK_WAND_CFLAGS"]="-fopenmp -DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16 -I/usr/include/x86_64-linux-gnu//ImageMagick-6 -I/usr/include/ImageMagick-6"
+S["FFTW_LIBS"]="-lfftw3"
+S["FFTW_CFLAGS"]=""
+S["GSF_ZIP64_LIBS"]="-lgsf-1 -lgobject-2.0 -lglib-2.0 -lxml2"
+S["GSF_ZIP64_CFLAGS"]="-I/usr/include/libgsf-1 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/libxml2"
+S["GSF_LIBS"]="-lgsf-1 -lgobject-2.0 -lglib-2.0 -lxml2"
+S["GSF_CFLAGS"]="-I/usr/include/libgsf-1 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/libxml2"
+S["ENABLE_CPP7_FALSE"]=""
+S["ENABLE_CPP7_TRUE"]="#"
+S["EXPAT_LIBS"]=" -lexpat"
+S["EXPAT_CFLAGS"]=""
+S["GTK_DOC_USE_REBASE_FALSE"]="#"
+S["GTK_DOC_USE_REBASE_TRUE"]=""
+S["GTK_DOC_USE_LIBTOOL_FALSE"]="#"
+S["GTK_DOC_USE_LIBTOOL_TRUE"]=""
+S["GTK_DOC_BUILD_PDF_FALSE"]=""
+S["GTK_DOC_BUILD_PDF_TRUE"]="#"
+S["GTK_DOC_BUILD_HTML_FALSE"]="#"
+S["GTK_DOC_BUILD_HTML_TRUE"]=""
+S["ENABLE_GTK_DOC_FALSE"]=""
+S["ENABLE_GTK_DOC_TRUE"]="#"
+S["HAVE_GTK_DOC_FALSE"]="#"
+S["HAVE_GTK_DOC_TRUE"]=""
+S["GTKDOC_DEPS_LIBS"]="-lgobject-2.0 -lglib-2.0"
+S["GTKDOC_DEPS_CFLAGS"]="-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"
+S["HTML_DIR"]="${datadir}/gtk-doc/html"
+S["GTKDOC_MKPDF"]="/usr/bin/gtkdoc-mkpdf"
+S["GTKDOC_REBASE"]="/usr/bin/gtkdoc-rebase"
+S["GTKDOC_CHECK_PATH"]="/usr/bin/gtkdoc-check"
+S["GTKDOC_CHECK"]="gtkdoc-check.test"
+S["HAVE_CHECKED_MUL_LIBS"]="-lglib-2.0"
+S["HAVE_CHECKED_MUL_CFLAGS"]="-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"
+S["STR_TO_ASCII_LIBS"]="-lglib-2.0"
+S["STR_TO_ASCII_CFLAGS"]="-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"
+S["WIN32_GET_COMMAND_LINE_LIBS"]="-lglib-2.0"
+S["WIN32_GET_COMMAND_LINE_CFLAGS"]="-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"
+S["TYPE_INIT_LIBS"]=""
+S["TYPE_INIT_CFLAGS"]=""
+S["GTHREAD_LIBS"]=""
+S["GTHREAD_CFLAGS"]=""
+S["THREADS_LIBS"]="-lglib-2.0"
+S["THREADS_CFLAGS"]="-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"
+S["MONOTONIC_LIBS"]="-lglib-2.0"
+S["MONOTONIC_CFLAGS"]="-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"
+S["CONTEXT_GET_HELP_LIBS"]="-lglib-2.0"
+S["CONTEXT_GET_HELP_CFLAGS"]="-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"
+S["REQUIRED_LIBS"]="-Wl,--export-dynamic -lgmodule-2.0 -pthread -lgobject-2.0 -lglib-2.0"
+S["REQUIRED_CFLAGS"]="-pthread -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"
+S["LIBOBJS"]=""
+S["CXXCPP"]="g++ -E"
+S["LT_SYS_LIBRARY_PATH"]=""
+S["OTOOL64"]=""
+S["OTOOL"]=""
+S["LIPO"]=""
+S["NMEDIT"]=""
+S["DSYMUTIL"]=""
+S["MANIFEST_TOOL"]=":"
+S["ac_ct_AR"]="ar"
+S["NM"]="/usr/bin/nm -B"
+S["ac_ct_DUMPBIN"]=""
+S["DUMPBIN"]=""
+S["FGREP"]="/bin/grep -F"
+S["SED"]="/bin/sed"
+S["LIBTOOL"]="$(SHELL) $(top_builddir)/libtool"
+S["LD"]="ld -m elf_x86_64"
+S["AR"]="ar"
+S["DLLWRAP"]=""
+S["OBJDUMP"]="objdump"
+S["DLLTOOL"]="dlltool"
+S["AS"]="as"
+S["MKINSTALLDIRS"]="./mkinstalldirs"
+S["POSUB"]="po"
+S["POFILES"]=" en_GB.po de.po"
+S["PO_IN_DATADIR_FALSE"]=""
+S["PO_IN_DATADIR_TRUE"]=""
+S["INTLLIBS"]=""
+S["INSTOBJEXT"]=".mo"
+S["GMOFILES"]=" en_GB.gmo de.gmo"
+S["DATADIRNAME"]="share"
+S["CATOBJEXT"]=".gmo"
+S["CATALOGS"]=" en_GB.gmo de.gmo"
+S["XGETTEXT"]="/usr/bin/xgettext"
+S["GMSGFMT"]="/usr/bin/msgfmt"
+S["MSGFMT_OPTS"]="-c"
+S["MSGFMT"]="/usr/bin/msgfmt"
+S["INTL_MACOSX_LIBS"]=""
+S["USE_NLS"]="yes"
+S["EGREP"]="/bin/grep -E"
+S["GREP"]="/bin/grep"
+S["CPP"]="gcc -E"
+S["GETTEXT_PACKAGE"]="vips8.8"
+S["VIPS_EXEEXT"]=""
+S["LN_S"]="ln -s"
+S["RANLIB"]="ranlib"
+S["am__fastdepCXX_FALSE"]="#"
+S["am__fastdepCXX_TRUE"]=""
+S["CXXDEPMODE"]="depmode=gcc3"
+S["ac_ct_CXX"]="g++"
+S["CXXFLAGS"]="-O3"
+S["CXX"]="g++"
+S["am__fastdepCC_FALSE"]="#"
+S["am__fastdepCC_TRUE"]=""
+S["CCDEPMODE"]="depmode=gcc3"
+S["am__nodep"]="_no"
+S["AMDEPBACKSLASH"]="\\"
+S["AMDEP_FALSE"]="#"
+S["AMDEP_TRUE"]=""
+S["am__include"]="include"
+S["DEPDIR"]=".deps"
+S["OBJEXT"]="o"
+S["EXEEXT"]=""
+S["ac_ct_CC"]="gcc"
+S["CPPFLAGS"]=""
+S["LDFLAGS"]=""
+S["CFLAGS"]="-O3"
+S["CC"]="gcc"
+S["OS_WIN32_FALSE"]=""
+S["OS_WIN32_TRUE"]="#"
+S["VIPS_ENABLE_DEPRECATED"]="1"
+S["ENABLE_DEPRECATED_FALSE"]="#"
+S["ENABLE_DEPRECATED_TRUE"]=""
+S["host_os"]="linux-gnu"
+S["host_vendor"]="pc"
+S["host_cpu"]="x86_64"
+S["host"]="x86_64-pc-linux-gnu"
+S["build_os"]="linux-gnu"
+S["build_vendor"]="pc"
+S["build_cpu"]="x86_64"
+S["build"]="x86_64-pc-linux-gnu"
+S["vips_introspection_sources"]=" ./create/sines.c ./create/grey.c ./create/mask_ideal.c ./create/create.c ./create/mask_gaussian.c ./create/xyz.c ./create/invertlut.c ./create/mask"\
+"_butterworth_ring.c ./create/logmat.c ./create/gaussmat.c ./create/worley.c ./create/mask_gaussian_ring.c ./create/gaussnoise.c ./create/zone.c ./cr"\
+"eate/tonelut.c ./create/perlin.c ./create/point.c ./create/mask.c ./create/mask_butterworth_band.c ./create/mask_ideal_ring.c ./create/mask_butterwo"\
+"rth.c ./create/mask_gaussian_band.c ./create/fractsurf.c ./create/identity.c ./create/text.c ./create/mask_fractal.c ./create/eye.c ./create/black.c"\
+" ./create/mask_ideal_band.c ./create/buildlut.c ./resample/affine.c ./resample/shrinkv.c ./resample/mapim.c ./resample/resize.c ./resample/transform"\
+".c ./resample/reduce.c ./resample/shrinkh.c ./resample/resample.c ./resample/quadratic.c ./resample/thumbnail.c ./resample/shrink.c ./resample/simil"\
+"arity.c ./resample/interpolate.c ./arithmetic/min.c ./arithmetic/sum.c ./arithmetic/stats.c ./arithmetic/project.c ./arithmetic/hough_line.c ./arith"\
+"metic/binary.c ./arithmetic/deviate.c ./arithmetic/max.c ./arithmetic/statistic.c ./arithmetic/nary.c ./arithmetic/invert.c ./arithmetic/remainder.c"\
+" ./arithmetic/boolean.c ./arithmetic/sign.c ./arithmetic/hist_find_ndim.c ./arithmetic/multiply.c ./arithmetic/hough_circle.c ./arithmetic/measure.c"\
+" ./arithmetic/hist_find.c ./arithmetic/find_trim.c ./arithmetic/getpoint.c ./arithmetic/add.c ./arithmetic/divide.c ./arithmetic/relational.c ./arit"\
+"hmetic/hough.c ./arithmetic/arithmetic.c ./arithmetic/abs.c ./arithmetic/avg.c ./arithmetic/linear.c ./arithmetic/round.c ./arithmetic/math2.c ./ari"\
+"thmetic/unaryconst.c ./arithmetic/complex.c ./arithmetic/profile.c ./arithmetic/unary.c ./arithmetic/subtract.c ./arithmetic/hist_find_indexed.c ./a"\
+"rithmetic/math.c ./mosaicing/im_tbmerge.c ./mosaicing/im_improve.c ./mosaicing/im_chkpair.c ./mosaicing/im_lrmosaic.c ./mosaicing/im_tbcalcon.c ./mo"\
+"saicing/merge.c ./mosaicing/im_remosaic.c ./mosaicing/im_lrcalcon.c ./mosaicing/im_initialize.c ./mosaicing/mosaicing.c ./mosaicing/global_balance.c"\
+" ./mosaicing/im_avgdxdy.c ./mosaicing/im_lrmerge.c ./mosaicing/mosaic.c ./mosaicing/im_tbmosaic.c ./mosaicing/im_clinear.c ./mosaicing/match.c ./mos"\
+"aicing/mosaic1.c ./colour/LabQ2LabS.c ./colour/profile_load.c ./colour/rad2float.c ./colour/XYZ2scRGB.c ./colour/Lab2LabS.c ./colour/LabS2LabQ.c ./c"\
+"olour/XYZ2CMYK.c ./colour/CMYK2XYZ.c ./colour/profiles.c ./colour/float2rad.c ./colour/scRGB2XYZ.c ./colour/LabQ2Lab.c ./colour/HSV2sRGB.c ./colour/"\
+"XYZ2Lab.c ./colour/UCS2LCh.c ./colour/dE76.c ./colour/colour.c ./colour/sRGB2HSV.c ./colour/Lab2LabQ.c ./colour/LCh2UCS.c ./colour/sRGB2scRGB.c ./co"\
+"lour/dECMC.c ./colour/LCh2Lab.c ./colour/Yxy2XYZ.c ./colour/LabS2Lab.c ./colour/LabQ2sRGB.c ./colour/scRGB2BW.c ./colour/Lab2LCh.c ./colour/icc_tran"\
+"sform.c ./colour/scRGB2sRGB.c ./colour/dE00.c ./colour/Lab2XYZ.c ./colour/XYZ2Yxy.c ./colour/colourspace.c ./convolution/spcor.c ./convolution/conva"\
+".c ./convolution/fastcor.c ./convolution/sobel.c ./convolution/canny.c ./convolution/convi.c ./convolution/compass.c ./convolution/convolution.c ./c"\
+"onvolution/convf.c ./convolution/gaussblur.c ./convolution/convasep.c ./convolution/convsep.c ./convolution/sharpen.c ./convolution/conv.c ./convolu"\
+"tion/correlation.c ./conversion/conversion.c ./conversion/embed.c ./conversion/zoom.c ./conversion/transpose3d.c ./conversion/replicate.c ./conversi"\
+"on/bandfold.c ./conversion/wrap.c ./conversion/arrayjoin.c ./conversion/unpremultiply.c ./conversion/flip.c ./conversion/flatten.c ./conversion/copy"\
+".c ./conversion/bandjoin.c ./conversion/rot45.c ./conversion/msb.c ./conversion/extract.c ./conversion/cast.c ./conversion/bandunfold.c ./conversion"\
+"/tilecache.c ./conversion/sequential.c ./conversion/smartcrop.c ./conversion/premultiply.c ./conversion/bandmean.c ./conversion/falsecolour.c ./conv"\
+"ersion/byteswap.c ./conversion/subsample.c ./conversion/bandbool.c ./conversion/recomb.c ./conversion/bandary.c ./conversion/ifthenelse.c ./conversi"\
+"on/gamma.c ./conversion/join.c ./conversion/cache.c ./conversion/grid.c ./conversion/scale.c ./conversion/insert.c ./conversion/autorot.c ./conversi"\
+"on/rot.c ./conversion/bandrank.c ./draw/draw_line.c ./draw/draw_image.c ./draw/draw_mask.c ./draw/draw.c ./draw/draw_smudge.c ./draw/drawink.c ./dra"\
+"w/draw_circle.c ./draw/draw_flood.c ./draw/draw_rect.c ./freqfilt/spectrum.c ./freqfilt/phasecor.c ./freqfilt/fwfft.c ./freqfilt/freqmult.c ./freqfi"\
+"lt/freqfilt.c ./freqfilt/invfft.c ./foreign/foreign.c ./foreign/ppm.c ./foreign/csvsave.c ./foreign/webp2vips.c ./foreign/pngload.c ./foreign/matlab"\
+".c ./foreign/webpload.c ./foreign/pngsave.c ./foreign/magicksave.c ./foreign/niftiload.c ./foreign/tiff2vips.c ./foreign/fitsload.c ./foreign/matrix"\
+"save.c ./foreign/vips2webp.c ./foreign/tiff.c ./foreign/ppmsave.c ./foreign/csv.c ./foreign/csvload.c ./foreign/vipspng.c ./foreign/heifsave.c ./for"\
+"eign/vips2jpeg.c ./foreign/ppmload.c ./foreign/magickload.c ./foreign/openexr2vips.c ./foreign/gifload.c ./foreign/magick7load.c ./foreign/openslide"\
+"2vips.c ./foreign/exif.c ./foreign/pdfload_pdfium.c ./foreign/fitssave.c ./foreign/pdfload.c ./foreign/heifload.c ./foreign/magick2vips.c ./foreign/"\
+"fits.c ./foreign/cairo.c ./foreign/openslideload.c ./foreign/rawload.c ./foreign/jpeg2vips.c ./foreign/tiffsave.c ./foreign/svgload.c ./foreign/rads"\
+"ave.c ./foreign/dzsave.c ./foreign/radload.c ./foreign/niftisave.c ./foreign/openexrload.c ./foreign/vipssave.c ./foreign/webpsave.c ./foreign/radia"\
+"nce.c ./foreign/rawsave.c ./foreign/jpegsave.c ./foreign/analyze2vips.c ./foreign/matrixload.c ./foreign/jpegload.c ./foreign/magick.c ./foreign/ana"\
+"lyzeload.c ./foreign/vips2tiff.c ./foreign/matload.c ./foreign/quantise.c ./foreign/vipsload.c ./foreign/tiffload.c ./morphology/morph.c ./morpholog"\
+"y/rank.c ./morphology/countlines.c ./morphology/nearest.c ./morphology/labelregions.c ./morphology/morphology.c ./morphology/hitmiss.c ./iofuncs/sin"\
+"k.c ./iofuncs/gate.c ./iofuncs/type.c ./iofuncs/image.c ./iofuncs/threadpool.c ./iofuncs/buffer.c ./iofuncs/mapfile.c ./iofuncs/reorder.c ./iofuncs/"\
+"enumtypes.c ./iofuncs/sinkdisc.c ./iofuncs/vector.c ./iofuncs/operation.c ./iofuncs/sinkmemory.c ./iofuncs/generate.c ./iofuncs/dbuf.c ./iofuncs/win"\
+"dow.c ./iofuncs/system.c ./iofuncs/header.c ./iofuncs/init.c ./iofuncs/rect.c ./iofuncs/region.c ./iofuncs/cache.c ./iofuncs/vips.c ./iofuncs/error."\
+"c ./iofuncs/util.c ./iofuncs/semaphore.c ./iofuncs/memory.c ./iofuncs/sinkscreen.c ./iofuncs/object.c ./iofuncs/buf.c ./iofuncs/vipsmarshal.c ./iofu"\
+"ncs/base64.c ./histogram/hist_match.c ./histogram/hist_cum.c ./histogram/hist_equal.c ./histogram/stdif.c ./histogram/histogram.c ./histogram/hist_e"\
+"ntropy.c ./histogram/hist_ismonotonic.c ./histogram/hist_norm.c ./histogram/hist_plot.c ./histogram/hist_unary.c ./histogram/hist_local.c ./histogra"\
+"m/percent.c ./histogram/maplut.c ./resample/reduceh.cpp ./resample/bicubic.cpp ./resample/vsqbs.cpp ./resample/nohalo.cpp ./resample/lbb.cpp ./resam"\
+"ple/reducev.cpp ./conversion/composite.cpp include/vips/basic.h include/vips/vips.h include/vips/object.h include/vips/image.h include/vips/error.h "\
+"include/vips/foreign.h include/vips/freqfilt.h include/vips/interpolate.h include/vips/header.h include/vips/histogram.h include/vips/operation.h in"\
+"clude/vips/enumtypes.h include/vips/conversion.h include/vips/arithmetic.h include/vips/colour.h include/vips/convolution.h include/vips/create.h in"\
+"clude/vips/draw.h include/vips/morphology.h include/vips/mosaicing.h include/vips/type.h include/vips/rect.h include/vips/resample.h include/vips/me"\
+"mory.h include/vips/region.h"
+S["HAVE_INTROSPECTION_FALSE"]="#"
+S["HAVE_INTROSPECTION_TRUE"]=""
+S["INTROSPECTION_MAKEFILE"]="/usr/share/gobject-introspection-1.0/Makefile.introspection"
+S["INTROSPECTION_LIBS"]="-lgirepository-1.0 -lgobject-2.0 -lglib-2.0"
+S["INTROSPECTION_CFLAGS"]="-pthread -I/usr/include/gobject-introspection-1.0 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include"
+S["INTROSPECTION_TYPELIBDIR"]="/usr/lib/x86_64-linux-gnu/girepository-1.0"
+S["INTROSPECTION_GIRDIR"]="/usr/share/gir-1.0"
+S["INTROSPECTION_GENERATE"]="/usr/bin/g-ir-generate"
+S["INTROSPECTION_COMPILER"]="/usr/bin/g-ir-compiler"
+S["INTROSPECTION_SCANNER"]="/usr/bin/g-ir-scanner"
+S["PKG_CONFIG_LIBDIR"]=""
+S["PKG_CONFIG_PATH"]="/home/john/vips/lib/pkgconfig"
+S["PKG_CONFIG"]="/usr/bin/pkg-config"
+S["LIBRARY_AGE"]="10"
+S["LIBRARY_REVISION"]="0"
+S["LIBRARY_CURRENT"]="52"
+S["VIPS_MICRO_VERSION"]="0"
+S["VIPS_MINOR_VERSION"]="8"
+S["VIPS_MAJOR_VERSION"]="8"
+S["VIPS_VERSION_STRING"]="8.8.0-Sun Feb 17 17:10:41 UTC 2019"
+S["VIPS_VERSION"]="8.8.0"
+S["AM_BACKSLASH"]="\\"
+S["AM_DEFAULT_VERBOSITY"]="1"
+S["AM_DEFAULT_V"]="$(AM_DEFAULT_VERBOSITY)"
+S["AM_V"]="$(V)"
+S["am__untar"]="$${TAR-tar} xf -"
+S["am__tar"]="$${TAR-tar} chof - \"$$tardir\""
+S["AMTAR"]="$${TAR-tar}"
+S["am__leading_dot"]="."
+S["SET_MAKE"]=""
+S["AWK"]="gawk"
+S["mkdir_p"]="$(MKDIR_P)"
+S["MKDIR_P"]="/bin/mkdir -p"
+S["INSTALL_STRIP_PROGRAM"]="$(install_sh) -c -s"
+S["STRIP"]="strip"
+S["install_sh"]="${SHELL} /home/john/GIT/libvips/install-sh"
+S["MAKEINFO"]="${SHELL} /home/john/GIT/libvips/missing makeinfo"
+S["AUTOHEADER"]="${SHELL} /home/john/GIT/libvips/missing autoheader"
+S["AUTOMAKE"]="${SHELL} /home/john/GIT/libvips/missing automake-1.16"
+S["AUTOCONF"]="${SHELL} /home/john/GIT/libvips/missing autoconf"
+S["ACLOCAL"]="${SHELL} /home/john/GIT/libvips/missing aclocal-1.16"
+S["VERSION"]="8.8.0"
+S["PACKAGE"]="vips"
+S["CYGPATH_W"]="echo"
+S["am__isrc"]=""
+S["INSTALL_DATA"]="${INSTALL} -m 644"
+S["INSTALL_SCRIPT"]="${INSTALL}"
+S["INSTALL_PROGRAM"]="${INSTALL}"
+S["target_alias"]=""
+S["host_alias"]=""
+S["build_alias"]=""
+S["LIBS"]=""
+S["ECHO_T"]=""
+S["ECHO_N"]="-n"
+S["ECHO_C"]=""
+S["DEFS"]="-DHAVE_CONFIG_H"
+S["mandir"]="${datarootdir}/man"
+S["localedir"]="${datarootdir}/locale"
+S["libdir"]="${exec_prefix}/lib"
+S["psdir"]="${docdir}"
+S["pdfdir"]="${docdir}"
+S["dvidir"]="${docdir}"
+S["htmldir"]="${docdir}"
+S["infodir"]="${datarootdir}/info"
+S["docdir"]="${datarootdir}/doc/${PACKAGE_TARNAME}"
+S["oldincludedir"]="/usr/include"
+S["includedir"]="${prefix}/include"
+S["runstatedir"]="${localstatedir}/run"
+S["localstatedir"]="${prefix}/var"
+S["sharedstatedir"]="${prefix}/com"
+S["sysconfdir"]="${prefix}/etc"
+S["datadir"]="${datarootdir}"
+S["datarootdir"]="${prefix}/share"
+S["libexecdir"]="${exec_prefix}/libexec"
+S["sbindir"]="${exec_prefix}/sbin"
+S["bindir"]="${exec_prefix}/bin"
+S["program_transform_name"]="s,x,x,"
+S["prefix"]="/home/john/vips"
+S["exec_prefix"]="${prefix}"
+S["PACKAGE_URL"]=""
+S["PACKAGE_BUGREPORT"]="vipsip@jiscmail.ac.uk"
+S["PACKAGE_STRING"]="vips 8.8.0"
+S["PACKAGE_VERSION"]="8.8.0"
+S["PACKAGE_TARNAME"]="vips"
+S["PACKAGE_NAME"]="vips"
+S["PATH_SEPARATOR"]=":"
+S["SHELL"]="/bin/bash"
+S["am__quote"]=""
+  for (key in S) S_is_set[key] = 1
+  FS = ""
+
+}
+{
+  line = $ 0
+  nfields = split(line, field, "@")
+  substed = 0
+  len = length(field[1])
+  for (i = 2; i < nfields; i++) {
+    key = field[i]
+    keylen = length(key)
+    if (S_is_set[key]) {
+      value = S[key]
+      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
+      len += length(value) + length(field[++i])
+      substed = 1
+    } else
+      len += 1 + keylen
+  }
+
+  print line
+}
+
--- a/libvips/foreign/Makefile.am
+++ b/libvips/foreign/Makefile.am
@ -2,6 +2,8 @@ noinst_LTLIBRARIES = libforeign.la

 libforeign_la_SOURCES = \
 	pforeign.h \
+	heifload.c \
+	heifsave.c \
 	niftiload.c \
 	niftisave.c \
 	quantise.c \
--- a/libvips/foreign/foreign.c
+++ b/libvips/foreign/foreign.c
@ -1827,6 +1827,12 @@ vips_foreign_operation_init( void )
 	extern GType vips_foreign_load_svg_get_type( void ); 
 	extern GType vips_foreign_load_svg_file_get_type( void ); 
 	extern GType vips_foreign_load_svg_buffer_get_type( void ); 
+	extern GType vips_foreign_load_heif_get_type( void ); 
+	extern GType vips_foreign_load_heif_file_get_type( void ); 
+	extern GType vips_foreign_load_heif_buffer_get_type( void ); 
+	extern GType vips_foreign_save_heif_get_type( void ); 
+	extern GType vips_foreign_save_heif_file_get_type( void ); 
+	extern GType vips_foreign_save_heif_buffer_get_type( void ); 
 	extern GType vips_foreign_load_nifti_get_type( void ); 
 	extern GType vips_foreign_save_nifti_get_type( void ); 
 	extern GType vips_foreign_load_gif_get_type( void ); 
@ -1956,6 +1962,15 @@ vips_foreign_operation_init( void )
 	vips_foreign_save_nifti_get_type(); 
 #endif /*HAVE_NIFTI*/

+#ifdef HAVE_HEIF
+	vips_foreign_load_heif_get_type(); 
+	vips_foreign_load_heif_file_get_type(); 
+	vips_foreign_load_heif_buffer_get_type(); 
+	vips_foreign_save_heif_get_type(); 
+	vips_foreign_save_heif_file_get_type(); 
+	vips_foreign_save_heif_buffer_get_type(); 
+#endif /*HAVE_HEIF*/
+
 	vips__foreign_load_operation = 
 		g_quark_from_static_string( "vips-foreign-load-operation" ); 
 }
--- a/libvips/foreign/heifload.c
+++ b/libvips/foreign/heifload.c
@ -0,0 +1,895 @@
+/* load heif images with libheif
+ *
+ * 19/1/19
+ * 	- from niftiload.c
+ */
+
+/*
+
+    This file is part of VIPS.
+    
+    VIPS is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+    02110-1301  USA
+
+ */
+
+/*
+
+    These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
+
+ */
+
+/*
+#define VIPS_DEBUG
+#define DEBUG
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /*HAVE_CONFIG_H*/
+#include <vips/intl.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <vips/vips.h>
+#include <vips/debug.h>
+#include <vips/internal.h>
+
+#ifdef HAVE_HEIF
+
+#include <libheif/heif.h>
+
+#include "pforeign.h"
+
+typedef struct _VipsForeignLoadHeif {
+	VipsForeignLoad parent_object;
+
+	/* Pages to load.
+	 */
+	int page;
+	int n;
+
+	/* Set to apply image transforms (flip, rotate, crop) stored in the file
+	 * header.
+	 */
+	gboolean autorotate;
+
+	/* Fetch the thumbnail instead of the image. If there is no thumbnail,
+	 * just fetch the image.
+	 */
+	gboolean thumbnail;
+
+	/* Context for this image.
+	 */
+	struct heif_context *ctx;
+
+	/* Number of top-level images in this file.
+	 */
+	int n_top;
+
+	/* Size of final output image. 
+	 */
+	int width;
+	int height;
+
+	/* Size of each page.
+	 */
+	int page_width;
+	int page_height;
+
+	/* The page number currently in @handle. 
+	 */
+	int page_no;
+
+	/* TRUE if @handle has selected the thumbnail rather than the main 
+	 * image.
+	 */
+	gboolean thumbnail_set;
+
+	/* The page number of the primary image.
+	 */
+	int primary_page;
+
+	/* Array of top-level image IDs.
+	 */
+	heif_item_id *id;
+
+	/* Handle for the currently selected image.
+	 */
+	struct heif_image_handle *handle;
+
+	/* Decoded pixel data for the current image.
+	 */
+	struct heif_image *img;
+
+	/* Valid until img is released.
+	 */
+	int stride;
+	const uint8_t *data;
+
+} VipsForeignLoadHeif;
+
+typedef VipsForeignLoadClass VipsForeignLoadHeifClass;
+
+G_DEFINE_ABSTRACT_TYPE( VipsForeignLoadHeif, vips_foreign_load_heif, 
+	VIPS_TYPE_FOREIGN_LOAD );
+
+static void
+vips_foreign_load_heif_dispose( GObject *gobject )
+{
+	VipsForeignLoadHeif *heif = (VipsForeignLoadHeif *) gobject;
+
+	VIPS_FREEF( heif_image_release, heif->img );
+	VIPS_FREEF( heif_image_handle_release, heif->handle );
+	VIPS_FREEF( heif_context_free, heif->ctx );
+	VIPS_FREE( heif->id );
+
+	G_OBJECT_CLASS( vips_foreign_load_heif_parent_class )->
+		dispose( gobject );
+}
+
+void
+vips__heif_error( struct heif_error *error )
+{
+	if( error->code ) 
+		vips_error( "heifload", "%s", error->message ); 
+}
+
+static const char *heif_magic[] = {
+	"ftypheic",	/* A regular heif image */
+	"ftypheix",	/* Extended range (>8 bit) image */
+	"ftyphevc",	/* Image sequence */
+	"ftypheim",	/* Image sequence */
+	"ftypheis",	/* Scaleable image */
+	"ftyphevm",	/* Multiview sequence */
+	"ftyphevs",	/* Scaleable sequence */
+	"ftypmif1",	/* Nokia alpha_ image */
+	"ftypmsf1"	/* Nokia animation image */
+};
+
+/* THe API has:
+ *
+ *	enum heif_filetype_result result = heif_check_filetype( buf, 12 );
+ *
+ * but it's very conservative and seems to be missing some of the Noka hief
+ * types.
+ */
+static int
+vips_foreign_load_heif_is_a( const char *buf, int len )
+{
+	if( len >= 12 ) {
+		int i;
+
+		for( i = 0; i < VIPS_NUMBER( heif_magic ); i++ )
+			if( strncmp( buf + 4, heif_magic[i], 8 ) == 0 )
+				return( 1 );
+	}
+
+	return( 0 );
+}
+
+static VipsForeignFlags
+vips_foreign_load_heif_get_flags( VipsForeignLoad *load )
+{
+	/* FIXME .. could support random access for grid images.
+	 */
+	return( VIPS_FOREIGN_SEQUENTIAL );
+}
+
+/* Select a page. If thumbnail is set, select the thumbnail for that page, if
+ * there is one.
+ */
+static int
+vips_foreign_load_heif_set_page( VipsForeignLoadHeif *heif, 
+	int page_no, gboolean thumbnail )
+{
+	if( !heif->handle ||
+		page_no != heif->page_no ||
+		thumbnail != heif->thumbnail_set ) {
+		struct heif_error error;
+
+		VIPS_FREEF( heif_image_handle_release, heif->handle );
+		VIPS_FREEF( heif_image_release, heif->img );
+		heif->data = NULL;
+		heif->thumbnail_set = FALSE;
+
+		error = heif_context_get_image_handle( heif->ctx, 
+			heif->id[page_no], &heif->handle );
+		if( error.code ) {
+			vips__heif_error( &error );
+			return( -1 );
+		}
+
+		if( thumbnail ) {
+			heif_item_id thumb_ids[1];
+			int n_thumbs;
+			struct heif_image_handle *thumb_handle;
+
+			n_thumbs = heif_image_handle_get_list_of_thumbnail_IDs( 
+				heif->handle, thumb_ids, 1 );
+
+			if( n_thumbs > 0 ) {
+				error = heif_image_handle_get_thumbnail( 
+					heif->handle,
+					thumb_ids[0], &thumb_handle );
+				if( error.code ) {
+					vips__heif_error( &error );
+					return( -1 );
+				}
+
+				VIPS_FREEF( heif_image_handle_release, 
+					heif->handle );
+				heif->handle = thumb_handle;
+				heif->thumbnail_set = TRUE;
+			}
+		}
+
+		heif->page_no = page_no;
+	}
+
+	return( 0 );
+}
+
+static int
+vips_foreign_load_heif_set_header( VipsForeignLoadHeif *heif, VipsImage *out )
+{
+	/* FIXME ... never seen this return TRUE on any image, strangely.
+	 */
+	gboolean has_alpha = 
+		heif_image_handle_has_alpha_channel( heif->handle );
+	int bands = has_alpha ? 4 : 3;
+
+	/* Surely, 16 metadata items will be enough for anyone.
+	 */
+	int i;
+	heif_item_id id[16];
+	int n_metadata;
+	struct heif_error error;
+
+	/* FIXME .. we always decode to RGB in generate. We should check for
+	 * all grey images, perhaps. 
+	 */
+	vips_image_pipelinev( out, VIPS_DEMAND_STYLE_SMALLTILE, NULL );
+	vips_image_init_fields( out,
+		heif->page_width, heif->page_height * heif->n, bands, 
+		VIPS_FORMAT_UCHAR, VIPS_CODING_NONE, VIPS_INTERPRETATION_sRGB, 
+		1.0, 1.0 );
+
+	vips_image_set_int( out, "heif-primary", heif->primary_page );
+	vips_image_set_int( out, "n-pages", heif->n_top );
+	vips_image_set_int( out, "page-height", heif->page_height );
+
+	/* FIXME .. need to test XMP and IPCT.
+	 */
+	n_metadata = heif_image_handle_get_list_of_metadata_block_IDs( 
+		heif->handle, NULL, id, VIPS_NUMBER( id ) );
+	for( i = 0; i < n_metadata; i++ ) {
+		size_t length = heif_image_handle_get_metadata_size( 
+			heif->handle, id[i] );
+		const char *type = heif_image_handle_get_metadata_type( 
+			heif->handle, id[i] );
+
+		unsigned char *data;
+		char name[256];
+
+#ifdef DEBUG
+		printf( "metadata type = %s, length = %zd\n", type, length ); 
+#endif /*DEBUG*/
+
+		if( !(data = VIPS_ARRAY( out, length, unsigned char )) )
+			return( -1 );
+		error = heif_image_handle_get_metadata( 
+			heif->handle, id[i], data );
+		if( error.code ) {
+			vips__heif_error( &error );
+			return( -1 );
+		}
+
+		/* We need to skip the first four bytes of EXIF, they just
+		 * contain the offset.
+		 */
+		if( strcasecmp( type, "exif" ) == 0 ) {
+			data += 4;
+			length -= 4;
+		}
+
+		/* exif has a special name.
+		 *
+		 * XMP metadata is just attached with the "mime" type, and
+		 * usually start with "<x:xmpmeta".
+		 */
+		if( strcasecmp( type, "exif" ) == 0 )
+			vips_snprintf( name, 256, VIPS_META_EXIF_NAME );
+		else if( strcasecmp( type, "mime" ) == 0 &&
+			vips_isprefix( "<x:xmpmeta", (const char *) data ) ) 
+			snprintf( name, 256, VIPS_META_XMP_NAME ); 
+		else
+			vips_snprintf( name, 256, "heif-%s-%d", type, i );
+
+		vips_image_set_blob( out, name, 
+			(VipsCallbackFn) NULL, data, length );
+
+		if( strcasecmp( type, "exif" ) == 0 )
+			(void) vips__exif_parse( out );
+	}
+
+#ifdef DEBUG
+{
+	enum heif_color_profile_type profile_type = 
+		heif_image_handle_get_color_profile_type( heif->handle );
+
+	switch( profile_type ) {
+	case heif_color_profile_type_not_present: 
+		printf( "no profile\n" ); 
+		break;
+
+	case heif_color_profile_type_nclx: 
+		printf( "nclx profile\n" ); 
+		break;
+
+	case heif_color_profile_type_rICC: 
+		printf( "rICC profile\n" ); 
+		break;
+
+	case heif_color_profile_type_prof: 
+		printf( "prof profile\n" ); 
+		break;
+
+	default:
+		printf( "unknown profile type\n" ); 
+		break;
+	}
+}
+#endif /*DEBUG*/
+
+	/* FIXME should probably check the profile type ... lcms seems to be
+	 * able to load at least rICC and prof.
+	 */
+	if( heif_image_handle_get_color_profile_type( heif->handle ) ) {
+		size_t length = heif_image_handle_get_raw_color_profile_size( 
+			heif->handle );
+
+		unsigned char *data;
+
+		if( !(data = VIPS_ARRAY( out, length, unsigned char )) )
+			return( -1 );
+		error = heif_image_handle_get_raw_color_profile( 
+			heif->handle, data );
+		if( error.code ) {
+			vips__heif_error( &error );
+			return( -1 );
+		}
+
+#ifdef DEBUG
+		printf( "profile data, length = %zd\n", length ); 
+#endif /*DEBUG*/
+
+		vips_image_set_blob( out, VIPS_META_ICC_NAME, 
+			(VipsCallbackFn) NULL, data, length );
+	}
+
+	return( 0 );
+}
+
+static int
+vips_foreign_load_heif_header( VipsForeignLoad *load )
+{
+	VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( load );
+	VipsForeignLoadHeif *heif = (VipsForeignLoadHeif *) load;
+
+	struct heif_error error;
+	heif_item_id primary_id;
+	int i;
+
+	heif->n_top = heif_context_get_number_of_top_level_images( heif->ctx );
+	heif->id = VIPS_ARRAY( NULL, heif->n_top, heif_item_id );
+	heif_context_get_list_of_top_level_image_IDs( heif->ctx, 
+		heif->id, heif->n_top );
+
+	/* Note page number of primary image.
+	 */
+	error = heif_context_get_primary_image_ID( heif->ctx, &primary_id );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+	for( i = 0; i < heif->n_top; i++ )
+		if( heif->id[i] == primary_id )
+			heif->primary_page = i;
+
+	/* If @n and @page have not been set, @page defaults to the primary
+	 * page.
+	 */
+	if( !vips_object_argument_isset( VIPS_OBJECT( load ), "page" ) &&
+		!vips_object_argument_isset( VIPS_OBJECT( load ), "n" ) )
+		heif->page = heif->primary_page;
+
+	if( heif->n == -1 )
+		heif->n = heif->n_top - heif->page;
+	if( heif->page < 0 ||
+		heif->n <= 0 ||
+		heif->page + heif->n > heif->n_top ) {
+		vips_error( class->nickname, "%s", _( "bad page number" ) ); 
+		return( -1 ); 
+	}
+
+#ifdef DEBUG
+	for( i = heif->page; i < heif->page + heif->n; i++ ) {
+		heif_item_id thumb_ids[1];
+		int n_items;
+		int n_thumbs;
+		int j;
+
+		if( vips_foreign_load_heif_set_page( heif, i, FALSE ) )
+			return( -1 );
+
+		n_thumbs = heif_image_handle_get_number_of_thumbnails( 
+			heif->handle );
+		n_items = heif_image_handle_get_list_of_thumbnail_IDs( 
+			heif->handle, thumb_ids, 1 );
+
+		printf( "page = %d\n", i );
+		printf( "n_thumbs = %d\n", n_thumbs );
+		printf( "n_items = %d\n", n_items );
+
+		for( j = 0; j < n_items; j++ ) {
+			struct heif_image_handle *thumb_handle;
+
+			error = heif_image_handle_get_thumbnail( heif->handle,
+				thumb_ids[j], &thumb_handle );
+			if( error.code ) {
+				vips__heif_error( &error );
+				return( -1 );
+			}
+
+			printf( "  thumb %d\n", j );
+			printf( "    width = %d\n", 
+				heif_image_handle_get_width( thumb_handle ) );
+			printf( "    height = %d\n", 
+				heif_image_handle_get_height( thumb_handle ) );
+		}
+	}
+#endif /*DEBUG*/
+
+	/* All pages must be the same size for libvips toilet roll images.
+	 */
+	if( vips_foreign_load_heif_set_page( heif, heif->page, heif->thumbnail ) )
+		return( -1 );
+	heif->page_width = heif_image_handle_get_width( heif->handle );
+	heif->page_height = heif_image_handle_get_height( heif->handle );
+	for( i = heif->page + 1; i < heif->page + heif->n; i++ ) {
+		if( vips_foreign_load_heif_set_page( heif, 
+			i, heif->thumbnail ) )
+			return( -1 );
+		if( heif_image_handle_get_width( heif->handle ) != 
+				heif->page_width ||
+			heif_image_handle_get_height( heif->handle ) != 
+				heif->page_height ) {
+			vips_error( class->nickname, "%s", 
+				_( "not all pages are the same size" ) ); 
+			return( -1 ); 
+		}
+	}
+
+#ifdef DEBUG
+	printf( "n_top = %d\n", heif->n_top );
+	for( i = 0; i < heif->n_top; i++ ) {
+		printf( "  id[%d] = %d\n", i, heif->id[i] );
+		if( vips_foreign_load_heif_set_page( heif, i, FALSE ) )
+			return( -1 );
+		printf( "    width = %d\n", 
+			heif_image_handle_get_width( heif->handle ) );
+		printf( "    height = %d\n", 
+			heif_image_handle_get_height( heif->handle ) );
+		printf( "    depth = %d\n", 
+			heif_image_handle_has_depth_image( heif->handle ) );
+		printf( "    n_metadata = %d\n", 
+			heif_image_handle_get_number_of_metadata_blocks( 
+				heif->handle, NULL ) );
+		printf( "    colour profile type = %d\n", 
+			heif_image_handle_get_color_profile_type( 
+				heif->handle ) );
+	}
+#endif /*DEBUG*/
+
+	if( vips_foreign_load_heif_set_header( heif, load->out ) )
+		return( -1 );
+
+	return( 0 );
+}
+
+static int
+vips_foreign_load_heif_generate( VipsRegion *or, 
+	void *seq, void *a, void *b, gboolean *stop )
+{
+	VipsForeignLoadHeif *heif = (VipsForeignLoadHeif *) a;
+	VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( heif );
+        VipsRect *r = &or->valid;
+
+	int page = r->top / heif->page_height + heif->page;
+	int line = r->top % heif->page_height;
+
+#ifdef DEBUG_VERBOSE
+	printf( "vips_foreign_load_heif_generate: line %d\n", r->top );
+#endif /*DEBUG_VERBOSE*/
+
+	g_assert( r->height == 1 );
+
+	if( vips_foreign_load_heif_set_page( heif, page, heif->thumbnail ) )
+		return( -1 );
+
+	if( !heif->img ) {
+		struct heif_error error;
+		struct heif_decoding_options *options;
+
+		/* Decode the image to 24bit interleaved. 
+		 *
+		 * FIXME What will this do for RGBA? Or is alpha always 
+		 * separate?
+		 */
+		options = heif_decoding_options_alloc();
+		options->ignore_transformations = !heif->autorotate;
+		error = heif_decode_image( heif->handle, &heif->img, 
+			heif_colorspace_RGB, heif_chroma_interleaved_24bit, 
+			options );
+		heif_decoding_options_free( options );
+		if( error.code ) {
+			vips__heif_error( &error );
+			return( -1 );
+		}
+	}
+
+	if( !heif->data ) 
+		if( !(heif->data = heif_image_get_plane_readonly( heif->img, 
+			heif_channel_interleaved, &heif->stride )) ) {
+			vips_error( class->nickname, 
+				"%s", _( "unable to get image data" ) );
+			return( -1 );
+		}
+
+	memcpy( VIPS_REGION_ADDR( or, 0, r->top ),
+		heif->data + heif->stride * line, 
+		VIPS_IMAGE_SIZEOF_LINE( or->im ) );
+
+	return( 0 );
+}
+
+static int
+vips_foreign_load_heif_load( VipsForeignLoad *load )
+{
+	VipsForeignLoadHeif *heif = (VipsForeignLoadHeif *) load;
+
+	VipsImage **t = (VipsImage **) 
+		vips_object_local_array( VIPS_OBJECT( load ), 3 );
+
+#ifdef DEBUG
+	printf( "vips_foreign_load_heif_load: loading image\n" );
+#endif /*DEBUG*/
+
+	t[0] = vips_image_new();
+	if( vips_foreign_load_heif_set_header( heif, t[0] ) )
+		return( -1 );
+	if( vips_image_generate( t[0],
+		NULL, vips_foreign_load_heif_generate, NULL, heif, NULL ) ||
+		vips_sequential( t[0], &t[1], NULL ) ||
+		vips_image_write( t[1], load->real ) )
+		return( -1 );
+
+	return( 0 );
+}
+
+static void
+vips_foreign_load_heif_class_init( VipsForeignLoadHeifClass *class )
+{
+	GObjectClass *gobject_class = G_OBJECT_CLASS( class );
+	VipsObjectClass *object_class = (VipsObjectClass *) class;
+	VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
+
+	gobject_class->dispose = vips_foreign_load_heif_dispose;
+	gobject_class->set_property = vips_object_set_property;
+	gobject_class->get_property = vips_object_get_property;
+
+	object_class->nickname = "heifload_base";
+	object_class->description = _( "load a HEIF image" );
+
+	load_class->get_flags = vips_foreign_load_heif_get_flags;
+	load_class->header = vips_foreign_load_heif_header;
+	load_class->load = vips_foreign_load_heif_load;
+
+	VIPS_ARG_INT( class, "page", 2,
+		_( "Page" ),
+		_( "Load this page from the file" ),
+		VIPS_ARGUMENT_OPTIONAL_INPUT,
+		G_STRUCT_OFFSET( VipsForeignLoadHeif, page ),
+		0, 100000, 0 );
+
+	VIPS_ARG_INT( class, "n", 3,
+		_( "n" ),
+		_( "Load this many pages" ),
+		VIPS_ARGUMENT_OPTIONAL_INPUT,
+		G_STRUCT_OFFSET( VipsForeignLoadHeif, n ),
+		-1, 100000, 1 );
+
+	VIPS_ARG_BOOL( class, "autorotate", 4, 
+		_( "Autorotate" ), 
+		_( "Apply image transformations" ),
+		VIPS_ARGUMENT_OPTIONAL_INPUT,
+		G_STRUCT_OFFSET( VipsForeignLoadHeif, autorotate ),
+		FALSE );
+
+	VIPS_ARG_BOOL( class, "thumbnail", 4, 
+		_( "Thumbnail" ), 
+		_( "Fetch thumbnail image" ),
+		VIPS_ARGUMENT_OPTIONAL_INPUT,
+		G_STRUCT_OFFSET( VipsForeignLoadHeif, thumbnail ),
+		FALSE );
+
+}
+
+static void
+vips_foreign_load_heif_init( VipsForeignLoadHeif *heif )
+{
+	heif->ctx = heif_context_alloc();
+	heif->n = 1;
+}
+
+typedef struct _VipsForeignLoadHeifFile {
+	VipsForeignLoadHeif parent_object;
+
+	/* Filename for load.
+	 */
+	char *filename; 
+
+} VipsForeignLoadHeifFile;
+
+typedef VipsForeignLoadHeifClass VipsForeignLoadHeifFileClass;
+
+G_DEFINE_TYPE( VipsForeignLoadHeifFile, vips_foreign_load_heif_file, 
+	vips_foreign_load_heif_get_type() );
+
+static int
+vips_foreign_load_heif_file_is_a( const char *filename )
+{
+	char buf[12];
+
+	if( vips__get_bytes( filename, (unsigned char *) buf, 12 ) != 12 )
+		return( 0 );
+
+	return( vips_foreign_load_heif_is_a( buf, 12 ) );
+}
+
+static int
+vips_foreign_load_heif_file_header( VipsForeignLoad *load )
+{
+	VipsForeignLoadHeif *heif = (VipsForeignLoadHeif *) load;
+	VipsForeignLoadHeifFile *file = (VipsForeignLoadHeifFile *) load;
+
+	struct heif_error error;
+
+	error = heif_context_read_from_file( heif->ctx, file->filename, NULL );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	if( VIPS_FOREIGN_LOAD_CLASS( 
+		vips_foreign_load_heif_file_parent_class )->header( load ) )
+		return( -1 );
+
+	VIPS_SETSTR( load->out->filename, file->filename );
+
+	return( 0 );
+}
+
+const char *vips__heif_suffs[] = { 
+	".heic",
+	NULL 
+};
+
+static void
+vips_foreign_load_heif_file_class_init( VipsForeignLoadHeifFileClass *class )
+{
+	GObjectClass *gobject_class = G_OBJECT_CLASS( class );
+	VipsObjectClass *object_class = (VipsObjectClass *) class;
+	VipsForeignClass *foreign_class = (VipsForeignClass *) class;
+	VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
+
+	gobject_class->set_property = vips_object_set_property;
+	gobject_class->get_property = vips_object_get_property;
+
+	object_class->nickname = "heifload";
+
+	foreign_class->suffs = vips__heif_suffs;
+
+	load_class->is_a = vips_foreign_load_heif_file_is_a;
+	load_class->header = vips_foreign_load_heif_file_header;
+
+	VIPS_ARG_STRING( class, "filename", 1, 
+		_( "Filename" ),
+		_( "Filename to load from" ),
+		VIPS_ARGUMENT_REQUIRED_INPUT, 
+		G_STRUCT_OFFSET( VipsForeignLoadHeifFile, filename ),
+		NULL );
+
+}
+
+static void
+vips_foreign_load_heif_file_init( VipsForeignLoadHeifFile *file )
+{
+}
+
+typedef struct _VipsForeignLoadHeifBuffer {
+	VipsForeignLoadHeif parent_object;
+
+	/* Load from a buffer.
+	 */
+	VipsArea *buf;
+
+} VipsForeignLoadHeifBuffer;
+
+typedef VipsForeignLoadHeifClass VipsForeignLoadHeifBufferClass;
+
+G_DEFINE_TYPE( VipsForeignLoadHeifBuffer, vips_foreign_load_heif_buffer, 
+	vips_foreign_load_heif_get_type() );
+
+static gboolean
+vips_foreign_load_heif_buffer_is_a( const void *buf, size_t len )
+{
+	return( vips_foreign_load_heif_is_a( buf, len ) );
+}
+
+static int
+vips_foreign_load_heif_buffer_header( VipsForeignLoad *load )
+{
+	VipsForeignLoadHeif *heif = (VipsForeignLoadHeif *) load;
+	VipsForeignLoadHeifBuffer *buffer = (VipsForeignLoadHeifBuffer *) load;
+
+	struct heif_error error;
+
+	error = heif_context_read_from_memory( heif->ctx, 
+		buffer->buf->data, buffer->buf->length, NULL );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	if( VIPS_FOREIGN_LOAD_CLASS( 
+		vips_foreign_load_heif_buffer_parent_class )->header( load ) )
+		return( -1 );
+
+	return( 0 );
+}
+
+static void
+vips_foreign_load_heif_buffer_class_init( 
+	VipsForeignLoadHeifBufferClass *class )
+{
+	GObjectClass *gobject_class = G_OBJECT_CLASS( class );
+	VipsObjectClass *object_class = (VipsObjectClass *) class;
+	VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
+
+	gobject_class->set_property = vips_object_set_property;
+	gobject_class->get_property = vips_object_get_property;
+
+	object_class->nickname = "heifload_buffer";
+
+	load_class->is_a_buffer = vips_foreign_load_heif_buffer_is_a;
+	load_class->header = vips_foreign_load_heif_buffer_header;
+
+	VIPS_ARG_BOXED( class, "buffer", 1, 
+		_( "Buffer" ),
+		_( "Buffer to load from" ),
+		VIPS_ARGUMENT_REQUIRED_INPUT, 
+		G_STRUCT_OFFSET( VipsForeignLoadHeifBuffer, buf ),
+		VIPS_TYPE_BLOB );
+
+}
+
+static void
+vips_foreign_load_heif_buffer_init( VipsForeignLoadHeifBuffer *buffer )
+{
+}
+
+#endif /*HAVE_HEIF*/
+
+/**
+ * vips_heifload:
+ * @filename: file to load
+ * @out: (out): decompressed image
+ * @...: %NULL-terminated list of optional named arguments
+ *
+ * Optional arguments:
+ *
+ * * @page: %gint, page (top-level image number) to read
+ * * @n: %gint, load this many pages
+ * * @autorotate: %gboolean, apply image transformations
+ *
+ * Read a HEIF image file into a VIPS image. 
+ *
+ * Use @page to select a page to render, numbering from zero. If neither @n
+ * nor @page are set, @page defaults to the primary page, otherwise to 0.
+ *
+ * Use @n to select the number of pages to render. The default is 1. Pages are
+ * rendered in a vertical column. Set to -1 to mean "until the end of the 
+ * document". Use vips_grid() to reorganise pages.
+ *
+ * HEIF images have a primary image. The metadata item `heif-primary` gives 
+ * the page number of the primary.
+ *
+ * HEIF images can have trsnaformations like rotate, flip and crop stored in
+ * the header. Set @autorotate %TRUE to apply these during load.
+ *
+ * See also: vips_image_new_from_file().
+ *
+ * Returns: 0 on success, -1 on error.
+ */
+int
+vips_heifload( const char *filename, VipsImage **out, ... )
+{
+	va_list ap;
+	int result;
+
+	va_start( ap, out );
+	result = vips_call_split( "heifload", ap, filename, out );
+	va_end( ap );
+
+	return( result );
+}
+
+/**
+ * vips_heifload_buffer:
+ * @buf: (array length=len) (element-type guint8): memory area to load
+ * @len: (type gsize): size of memory area
+ * @out: (out): image to write
+ * @...: %NULL-terminated list of optional named arguments
+ *
+ * Optional arguments:
+ *
+ * * @page: %gint, page (top-level image number) to read
+ * * @n: %gint, load this many pages
+ * * @autorotate: %gboolean, apply image transformations
+ *
+ * Read a HEIF image file into a VIPS image. 
+ * Exactly as
+ * vips_heifload(), but read from a memory buffer. 
+ *
+ * You must not free the buffer while @out is active. The 
+ * #VipsObject::postclose signal on @out is a good place to free. 
+ *
+ * See also: vips_heifload().
+ *
+ * Returns: 0 on success, -1 on error.
+ */
+int
+vips_heifload_buffer( void *buf, size_t len, VipsImage **out, ... )
+{
+	va_list ap;
+	VipsBlob *blob;
+	int result;
+
+	/* We don't take a copy of the data or free it.
+	 */
+	blob = vips_blob_new( NULL, buf, len );
+
+	va_start( ap, out );
+	result = vips_call_split( "heifload_buffer", ap, blob, out );
+	va_end( ap );
+
+	vips_area_unref( VIPS_AREA( blob ) );
+
+	return( result );
+}
--- a/libvips/foreign/heifsave.c
+++ b/libvips/foreign/heifsave.c
@ -0,0 +1,651 @@
+/* save to heif
+ *
+ * 5/7/18
+ * 	- from niftisave.c
+ */
+
+/*
+
+    This file is part of VIPS.
+    
+    VIPS is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+    02110-1301  USA
+
+ */
+
+/*
+
+    These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
+
+ */
+
+/*
+#define DEBUG_VERBOSE
+#define DEBUG
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /*HAVE_CONFIG_H*/
+#include <vips/intl.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <vips/vips.h>
+#include <vips/internal.h>
+
+#ifdef HAVE_HEIF
+
+#include <libheif/heif.h>
+
+#include "pforeign.h"
+
+typedef struct _VipsForeignSaveHeif {
+	VipsForeignSave parent_object;
+
+	/* Coding quality factor (1-100).
+	 */
+	int Q;
+
+	/* Lossless compression.
+	 */
+	gboolean lossless;
+
+	int page_width;
+	int page_height;
+	int n_pages;
+
+	struct heif_context *ctx;
+	struct heif_encoder *encoder;
+
+	/* The current page we are writing.
+	 */
+	struct heif_image_handle *handle;
+
+	/* The current page in memory which we build as we scan down the
+	 * image.
+	 */
+	struct heif_image *img;
+
+	/* The libheif memory area will fill with pixels from the libvips 
+	 * pipe.
+	 */
+	uint8_t *data;
+	int stride;
+
+} VipsForeignSaveHeif;
+
+typedef VipsForeignSaveClass VipsForeignSaveHeifClass;
+
+G_DEFINE_ABSTRACT_TYPE( VipsForeignSaveHeif, vips_foreign_save_heif, 
+	VIPS_TYPE_FOREIGN_SAVE );
+
+static void
+vips_foreign_save_heif_dispose( GObject *gobject )
+{
+	VipsForeignSaveHeif *heif = (VipsForeignSaveHeif *) gobject;
+
+	VIPS_FREEF( heif_image_release, heif->img );
+	VIPS_FREEF( heif_image_handle_release, heif->handle );
+	VIPS_FREEF( heif_encoder_release, heif->encoder );
+	VIPS_FREEF( heif_context_free, heif->ctx );
+
+	G_OBJECT_CLASS( vips_foreign_save_heif_parent_class )->
+		dispose( gobject );
+}
+
+typedef struct heif_error (*libheif_metadata_fn)( struct heif_context *,
+	 const struct heif_image_handle *,
+	 const void *, int );
+
+struct _VipsForeignSaveHeifMetadata {
+	const char *name;
+	libheif_metadata_fn saver;
+} libheif_metadata[] = {
+	{ VIPS_META_EXIF_NAME, heif_context_add_exif_metadata },
+	{ VIPS_META_XMP_NAME, heif_context_add_XMP_metadata }
+};
+
+static int
+vips_foreign_save_heif_write_metadata( VipsForeignSaveHeif *heif )
+{
+	VipsForeignSave *save = (VipsForeignSave *) heif;
+
+	int i;
+	struct heif_error error;
+
+	for( i = 0; i < VIPS_NUMBER( libheif_metadata ); i++ )  
+		if( vips_image_get_typeof( save->ready, 
+			libheif_metadata[i].name ) ) {
+			const void *data;
+			size_t length;
+
+#ifdef DEBUG
+			printf( "attaching %s ..\n", 
+				libheif_metadata[i].name ); 
+#endif /*DEBUG*/
+
+			if( vips_image_get_blob( save->ready, 
+				VIPS_META_EXIF_NAME, &data, &length ) )
+				return( -1 );
+
+			error = libheif_metadata[i].saver( heif->ctx, 
+				heif->handle, data, length );
+			if( error.code ) {
+				vips__heif_error( &error );
+				return( -1 );
+			}
+		}
+
+	return( 0 );
+}
+
+static int
+vips_foreign_save_heif_write_page( VipsForeignSaveHeif *heif, int page )
+{
+	VipsForeignSave *save = (VipsForeignSave *) heif;
+
+	struct heif_error error;
+	struct heif_encoding_options *options;
+
+	if( !save->strip &&
+		vips_image_get_typeof( save->ready, VIPS_META_ICC_NAME ) ) {
+		const void *data;
+		size_t length;
+
+#ifdef DEBUG
+		printf( "attaching profile ..\n" ); 
+#endif /*DEBUG*/
+
+		if( vips_image_get_blob( save->ready, 
+			VIPS_META_ICC_NAME, &data, &length ) )
+			return( -1 );
+
+		/* FIXME .. also see heif_image_set_nclx_color_profile()
+		 */
+		error = heif_image_set_raw_color_profile( heif->img, 
+			"rICC", data, length );
+		if( error.code ) {
+			vips__heif_error( &error );
+			return( -1 );
+		}
+	}
+
+	options = heif_encoding_options_alloc();
+	/* FIXME .. should be an option, though I don't know of any way to
+	 * test it
+	 */
+	options->save_alpha_channel = 1;
+#ifdef DEBUG
+	printf( "encoding ..\n" ); 
+#endif /*DEBUG*/
+	error = heif_context_encode_image( heif->ctx, 
+		heif->img, heif->encoder, NULL, &heif->handle );
+	heif_encoding_options_free( options );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	if( vips_image_get_typeof( save->ready, "heif-primary" ) ) { 
+		int primary;
+
+		if( vips_image_get_int( save->ready, 
+			"heif-primary", &primary ) ) 
+			return( -1 ); 	
+
+		if( page == primary ) { 
+			error = heif_context_set_primary_image( heif->ctx, 
+				heif->handle );
+			if( error.code ) {
+				vips__heif_error( &error );
+				return( -1 );
+			}
+		}
+	}
+
+	if( !save->strip &&
+		vips_foreign_save_heif_write_metadata( heif ) )
+		return( -1 );
+
+	VIPS_FREEF( heif_image_handle_release, heif->handle );
+
+	return( 0 );
+}
+
+static int
+vips_foreign_save_heif_write_block( VipsRegion *region, VipsRect *area, 
+	void *a )
+{
+	VipsForeignSaveHeif *heif = (VipsForeignSaveHeif *) a;
+
+	int y;
+
+#ifdef DEBUG
+	printf( "vips_foreign_save_heif_write_block: y = %d\n", area->top );
+#endif /*DEBUG*/
+
+	/* Copy a line at a time into our output image, write each time the 
+	 * image fills.
+	 */
+	for( y = 0; y < area->height; y++ ) {
+		/* Y in page.
+		 */
+		int page = (area->top + y) / heif->page_height;
+		int line = (area->top + y) % heif->page_height;
+
+		VipsPel *p = VIPS_REGION_ADDR( region, 0, area->top + y );
+		VipsPel *q = heif->data + line * heif->stride;
+
+		memcpy( q, p, VIPS_IMAGE_SIZEOF_LINE( region->im ) );
+
+		/* Did we just write the final line? Write as a new page 
+		 * into the output.
+		 */
+		if( line == heif->page_height - 1 )
+			if( vips_foreign_save_heif_write_page( heif, page ) )
+				return( -1 );
+	}
+
+	return( 0 );
+}
+
+static int
+vips_foreign_save_heif_build( VipsObject *object )
+{
+	VipsForeignSave *save = (VipsForeignSave *) object;
+	VipsForeignSaveHeif *heif = (VipsForeignSaveHeif *) object;
+
+	struct heif_error error;
+
+	if( VIPS_OBJECT_CLASS( vips_foreign_save_heif_parent_class )->
+		build( object ) )
+		return( -1 );
+
+	/* TODO ... should be a param? the other useful one is AVC.
+	 */
+	error = heif_context_get_encoder_for_format( heif->ctx, 
+		heif_compression_HEVC, &heif->encoder );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	error = heif_encoder_set_lossy_quality( heif->encoder, heif->Q );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	error = heif_encoder_set_lossless( heif->encoder, heif->lossless );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	/* TODO .. support extra per-encoder params with 
+	 * heif_encoder_list_parameters().
+	 */
+
+	heif->page_width = save->ready->Xsize;
+
+	if( vips_image_get_typeof( save->ready, VIPS_META_PAGE_HEIGHT ) ) { 
+		if( vips_image_get_int( save->ready, 
+			VIPS_META_PAGE_HEIGHT, &heif->page_height ) ) 
+			return( -1 ); 	
+	}
+	else
+		heif->page_height = save->ready->Ysize;
+
+	if( heif->page_height == 0 ||
+		save->ready->Ysize % heif->page_height != 0 ) 
+		heif->page_height = save->ready->Ysize;
+
+	heif->n_pages = save->ready->Ysize / heif->page_height;
+
+	/* Make a heif image the size of a page. We repeatedly fill this with
+	 * sink_disc() and write a frame each time it fills.
+	 */
+	error = heif_image_create( heif->page_width, heif->page_height, 
+		heif_colorspace_RGB, heif_chroma_interleaved_RGB, &heif->img );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	error = heif_image_add_plane( heif->img, heif_channel_interleaved, 
+		heif->page_width, heif->page_height, 24 );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	heif->data = heif_image_get_plane( heif->img, 
+		heif_channel_interleaved, &heif->stride );
+
+	/* Just do this once, so we don't rebuild exif on every page.
+	 */
+	if( vips_image_get_typeof( save->ready, VIPS_META_EXIF_NAME ) ) 
+		if( vips__exif_update( save->ready ) )
+			return( -1 );
+
+	/* Write data. 
+	 */
+	if( vips_sink_disc( save->ready, 
+		vips_foreign_save_heif_write_block, heif ) )
+		return( -1 );
+
+	return( 0 );
+}
+
+/* Save a bit of typing.
+ */
+#define UC VIPS_FORMAT_UCHAR
+
+static int vips_heif_bandfmt[10] = {
+/* UC  C   US  S   UI  I   F   X   D   DX */
+   UC, UC, UC, UC, UC, UC, UC, UC, UC, UC
+};
+
+static void
+vips_foreign_save_heif_class_init( VipsForeignSaveHeifClass *class )
+{
+	GObjectClass *gobject_class = G_OBJECT_CLASS( class );
+	VipsObjectClass *object_class = (VipsObjectClass *) class;
+	VipsForeignClass *foreign_class = (VipsForeignClass *) class;
+	VipsForeignSaveClass *save_class = (VipsForeignSaveClass *) class;
+
+	gobject_class->dispose = vips_foreign_save_heif_dispose;
+	gobject_class->set_property = vips_object_set_property;
+	gobject_class->get_property = vips_object_get_property;
+
+	object_class->nickname = "heifsave";
+	object_class->description = _( "save image in HEIF format" );
+	object_class->build = vips_foreign_save_heif_build;
+
+	foreign_class->suffs = vips__heif_suffs;
+
+	save_class->saveable = VIPS_SAVEABLE_RGB;
+	save_class->format_table = vips_heif_bandfmt;
+
+	VIPS_ARG_INT( class, "Q", 10, 
+		_( "Q" ), 
+		_( "Q factor" ),
+		VIPS_ARGUMENT_OPTIONAL_INPUT,
+		G_STRUCT_OFFSET( VipsForeignSaveHeif, Q ),
+		1, 100, 50 );
+
+	VIPS_ARG_BOOL( class, "lossless", 13,
+		_( "Lossless" ),
+		_( "Enable lossless compression" ),
+		VIPS_ARGUMENT_OPTIONAL_INPUT,
+		G_STRUCT_OFFSET( VipsForeignSaveHeif, lossless ),
+		FALSE );
+
+}
+
+static void
+vips_foreign_save_heif_init( VipsForeignSaveHeif *heif )
+{
+	heif->ctx = heif_context_alloc();
+	heif->Q = 50;
+}
+
+typedef struct _VipsForeignSaveHeifFile {
+	VipsForeignSaveHeif parent_object;
+
+	/* Filename for save.
+	 */
+	char *filename; 
+
+} VipsForeignSaveHeifFile;
+
+typedef VipsForeignSaveHeifClass VipsForeignSaveHeifFileClass;
+
+G_DEFINE_TYPE( VipsForeignSaveHeifFile, vips_foreign_save_heif_file, 
+	vips_foreign_save_heif_get_type() );
+
+static int
+vips_foreign_save_heif_file_build( VipsObject *object )
+{
+	VipsForeignSaveHeif *heif = (VipsForeignSaveHeif *) object;
+	VipsForeignSaveHeifFile *file = (VipsForeignSaveHeifFile *) object;
+
+	struct heif_error error;
+
+	if( VIPS_OBJECT_CLASS( vips_foreign_save_heif_file_parent_class )->
+		build( object ) )
+		return( -1 );
+
+	/* This has to come right at the end :-( so there's no support for
+	 * incremental writes.
+	 */
+	error = heif_context_write_to_file( heif->ctx, file->filename );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	return( 0 );
+}
+
+static void
+vips_foreign_save_heif_file_class_init( VipsForeignSaveHeifFileClass *class )
+{
+	GObjectClass *gobject_class = G_OBJECT_CLASS( class );
+	VipsObjectClass *object_class = (VipsObjectClass *) class;
+
+	gobject_class->set_property = vips_object_set_property;
+	gobject_class->get_property = vips_object_get_property;
+
+	object_class->nickname = "heifsave";
+	object_class->build = vips_foreign_save_heif_file_build;
+
+	VIPS_ARG_STRING( class, "filename", 1, 
+		_( "Filename" ),
+		_( "Filename to load from" ),
+		VIPS_ARGUMENT_REQUIRED_INPUT, 
+		G_STRUCT_OFFSET( VipsForeignSaveHeifFile, filename ),
+		NULL );
+
+}
+
+static void
+vips_foreign_save_heif_file_init( VipsForeignSaveHeifFile *file )
+{
+}
+
+typedef struct _VipsForeignSaveHeifBuffer {
+	VipsForeignSaveHeif parent_object;
+
+	/* Save to a buffer.
+	 */
+	VipsArea *buf;
+
+} VipsForeignSaveHeifBuffer;
+
+typedef VipsForeignSaveHeifClass VipsForeignSaveHeifBufferClass;
+
+G_DEFINE_TYPE( VipsForeignSaveHeifBuffer, vips_foreign_save_heif_buffer, 
+	vips_foreign_save_heif_get_type() );
+
+struct heif_error 
+vips_foreign_save_heif_buffer_write( struct heif_context *ctx, 
+	const void *data, size_t length, void *userdata )
+{
+	VipsForeignSaveHeif *heif = (VipsForeignSaveHeif *) userdata;
+
+	VipsBlob *blob;
+	struct heif_error error;
+	void *data_copy;
+
+	/* FIXME .. we have to memcpy()!
+	 */
+	data_copy = vips_malloc( NULL, length );
+	memcpy( data_copy, data, length );
+
+	blob = vips_blob_new( (VipsCallbackFn) vips_free, data_copy, length );
+	g_object_set( heif, "buffer", blob, NULL );
+	vips_area_unref( VIPS_AREA( blob ) );
+
+	error.code = 0;
+
+	return( error );
+}
+
+static int
+vips_foreign_save_heif_buffer_build( VipsObject *object )
+{
+	VipsForeignSaveHeif *heif = (VipsForeignSaveHeif *) object;
+
+	/* FIXME ... argh, allocating on the stack! But the example code does
+	 * this too.
+	 */
+	struct heif_writer writer;
+	struct heif_error error;
+
+	if( VIPS_OBJECT_CLASS( vips_foreign_save_heif_buffer_parent_class )->
+		build( object ) )
+		return( -1 );
+
+	/* This has to come right at the end :-( so there's no support for
+	 * incremental writes.
+	 */
+	writer.writer_api_version = 1;
+	writer.write = vips_foreign_save_heif_buffer_write;
+	error = heif_context_write( heif->ctx, &writer, heif );
+	if( error.code ) {
+		vips__heif_error( &error );
+		return( -1 );
+	}
+
+	return( 0 );
+}
+
+static void
+vips_foreign_save_heif_buffer_class_init( 
+	VipsForeignSaveHeifBufferClass *class )
+{
+	GObjectClass *gobject_class = G_OBJECT_CLASS( class );
+	VipsObjectClass *object_class = (VipsObjectClass *) class;
+
+	gobject_class->set_property = vips_object_set_property;
+	gobject_class->get_property = vips_object_get_property;
+
+	object_class->nickname = "heifsave_buffer";
+	object_class->build = vips_foreign_save_heif_buffer_build;
+
+	VIPS_ARG_BOXED( class, "buffer", 1, 
+		_( "Buffer" ),
+		_( "Buffer to save to" ),
+		VIPS_ARGUMENT_REQUIRED_OUTPUT, 
+		G_STRUCT_OFFSET( VipsForeignSaveHeifBuffer, buf ),
+		VIPS_TYPE_BLOB );
+
+}
+
+static void
+vips_foreign_save_heif_buffer_init( VipsForeignSaveHeifBuffer *buffer )
+{
+}
+
+#endif /*HAVE_HEIF*/
+
+/**
+ * vips_heifsave: (method)
+ * @in: image to save 
+ * @filename: file to write to 
+ * @...: %NULL-terminated list of optional named arguments
+ *
+ * Optional arguments:
+ *
+ * * @Q: %gint, quality factor
+ * * @lossless: %gboolean, enable lossless encoding
+ *
+ * Write a VIPS image to a file in HEIF format. 
+ *
+ * Use @Q to set the compression factor. Default 50, which seems to be roughly
+ * what the iphone uses. Q 30 gives about the same quality as JPEG Q 75.
+ *
+ * Set @lossless %TRUE to switch to lossless compression.
+ *
+ * See also: vips_image_write_to_file(), vips_heifload().
+ *
+ * Returns: 0 on success, -1 on error.
+ */
+int
+vips_heifsave( VipsImage *in, const char *filename, ... )
+{
+	va_list ap;
+	int result;
+
+	va_start( ap, filename );
+	result = vips_call_split( "heifsave", ap, in, filename );
+	va_end( ap );
+
+	return( result );
+}
+
+/**
+ * vips_heifsave_buffer: (method)
+ * @in: image to save 
+ * @buf: (array length=len) (element-type guint8): return output buffer here
+ * @len: (type gsize): return output length here
+ * @...: %NULL-terminated list of optional named arguments
+ *
+ * Optional arguments:
+ *
+ * * @Q: %gint, quality factor
+ * * @lossless: %gboolean, enable lossless encoding
+ *
+ * As vips_heifsave(), but save to a memory buffer. 
+ *
+ * The address of the buffer is returned in @obuf, the length of the buffer in
+ * @olen. You are responsible for freeing the buffer with g_free() when you
+ * are done with it.
+ *
+ * See also: vips_heifsave(), vips_image_write_to_file().
+ *
+ * Returns: 0 on success, -1 on error.
+ */
+int
+vips_heifsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
+{
+	va_list ap;
+	VipsArea *area;
+	int result;
+
+	area = NULL; 
+
+	va_start( ap, len );
+	result = vips_call_split( "heifsave_buffer", ap, in, &area );
+	va_end( ap );
+
+	if( !result &&
+		area ) { 
+		if( buf ) {
+			*buf = area->data;
+			area->free_fn = NULL;
+		}
+		if( len ) 
+			*len = area->length;
+
+		vips_area_unref( area );
+	}
+
+	return( result );
+}
--- a/libvips/foreign/niftiload.c
+++ b/libvips/foreign/niftiload.c
@ -565,7 +565,7 @@ vips_foreign_load_nifti_load( VipsForeignLoad *load )
 		load->out->Bands, load->out->BandFmt )) ) 
 		return( -1 );

-	if( vips_copy( nifti->memory, &load->real, NULL ) )
+	if( vips_image_write( nifti->memory, load->real ) )
 		return( -1 );

 	return( 0 );
@ -617,7 +617,7 @@ vips_foreign_load_nifti_init( VipsForeignLoadNifti *nifti )
 {
 }

-#endif /*HAVE_CFITSIO*/
+#endif /*HAVE_NIFTI*/

 /**
 * vips_niftiload:
--- a/libvips/foreign/pforeign.h
+++ b/libvips/foreign/pforeign.h
@ -272,6 +272,10 @@ typedef void *(*VipsNiftiMapFn)( const char *name, GValue *value, glong offset,
 	void *a, void *b );
 void *vips__foreign_nifti_map( VipsNiftiMapFn fn, void *a, void *b );

+extern const char *vips__heif_suffs[];
+struct heif_error;
+void vips__heif_error( struct heif_error *error );
+
 #ifdef __cplusplus
 }
 #endif /*__cplusplus*/
--- a/libvips/include/vips/foreign.h
+++ b/libvips/include/vips/foreign.h
@ -560,6 +560,15 @@ int vips_gifload( const char *filename, VipsImage **out, ... )
 int vips_gifload_buffer( void *buf, size_t len, VipsImage **out, ... )
 	__attribute__((sentinel));

+int vips_heifload( const char *filename, VipsImage **out, ... )
+	__attribute__((sentinel));
+int vips_heifload_buffer( void *buf, size_t len, VipsImage **out, ... )
+	__attribute__((sentinel));
+int vips_heifsave( VipsImage *in, const char *filename, ... )
+	__attribute__((sentinel));
+int vips_heifsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
+	__attribute__((sentinel));
+
 int vips_niftiload( const char *filename, VipsImage **out, ... )
 	__attribute__((sentinel));
 int vips_niftisave( VipsImage *in, const char *filename, ... )
--- a/libvips/resample/thumbnail.c
+++ b/libvips/resample/thumbnail.c
@ -115,6 +115,11 @@ typedef struct _VipsThumbnail {
 	 */
 	int n_pages;

+	/* For HEIF, try to fetch the size of the stored thumbnail.
+	 */
+	int heif_thumbnail_width;
+	int heif_thumbnail_height;
+
 } VipsThumbnail;

 typedef struct _VipsThumbnailClass {
@ -264,6 +269,28 @@ vips_thumbnail_get_tiff_pyramid( VipsThumbnail *thumbnail )
 	thumbnail->level_count = thumbnail->n_pages;
 }

+/* This may not be a pyr tiff, so no error if we can't find the layers. 
+ */
+static int
+vips_thumbnail_get_heif_thumb_info( VipsThumbnail *thumbnail ) 
+{
+	VipsThumbnailClass *class = VIPS_THUMBNAIL_GET_CLASS( thumbnail );
+
+	VipsImage *thumb;
+
+	if( !(thumb = class->open( thumbnail, 1 )) )
+		return( -1 );
+
+	if( thumb->Xsize < thumbnail->input_width ) {
+		thumbnail->heif_thumbnail_width = thumb->Xsize;
+		thumbnail->heif_thumbnail_height = thumb->Ysize;
+	}
+
+	VIPS_UNREF( thumb );
+
+	return( 0 );
+}
+
 /* Calculate the shrink factor, taking into account auto-rotate, the fit mode,
 * and so on.
 *
@ -420,6 +447,12 @@ vips_thumbnail_open( VipsThumbnail *thumbnail )
 	if( vips_isprefix( "VipsForeignLoadTiff", thumbnail->loader ) ) 
 		vips_thumbnail_get_tiff_pyramid( thumbnail );

+	/* For heif, we need to fetch the thumbnail size, in case we can use
+	 * that as the source.
+	 */
+	if( vips_isprefix( "VipsForeignLoadHeif", thumbnail->loader ) ) 
+		vips_thumbnail_get_heif_thumb_info( thumbnail );
+
 	factor = 1.0;

 	if( vips_isprefix( "VipsForeignLoadJpeg", thumbnail->loader ) ) {
@ -452,6 +485,19 @@ vips_thumbnail_open( VipsThumbnail *thumbnail )

 		g_info( "loading webp with factor %g pre-shrink", factor ); 
 	}
+	else if( vips_isprefix( "VipsForeignLoadHeif", thumbnail->loader ) ) {
+		/* 'factor' is a gboolean which enables thumbnail load instead
+		 * of image load.
+		 *
+		 * Use the thumbnail if it's larger than our target.
+		 */
+		if( thumbnail->heif_thumbnail_width >= thumbnail->width &&
+			thumbnail->heif_thumbnail_height >= thumbnail->height )
+			factor = 1.0;
+		else
+			factor = 0.0;
+
+	}

 	if( !(im = class->open( thumbnail, factor )) )
 		return( NULL );
@ -866,6 +912,12 @@ vips_thumbnail_file_open( VipsThumbnail *thumbnail, double factor )
 			"page", (int) factor,
 			NULL ) );
 	}
+	else if( vips_isprefix( "VipsForeignLoadHeif", thumbnail->loader ) ) {
+		return( vips_image_new_from_file( file->filename, 
+			"access", VIPS_ACCESS_SEQUENTIAL,
+			"thumbnail", (int) factor,
+			NULL ) );
+	}
 	else {
 		return( vips_image_new_from_file( file->filename, 
 			"access", VIPS_ACCESS_SEQUENTIAL,
@ -1055,6 +1107,13 @@ vips_thumbnail_buffer_open( VipsThumbnail *thumbnail, double factor )
 			"page", (int) factor,
 			NULL ) );
 	}
+	else if( vips_isprefix( "VipsForeignLoadHeif", thumbnail->loader ) ) {
+		return( vips_image_new_from_buffer( 
+			buffer->buf->data, buffer->buf->length, "", 
+			"access", VIPS_ACCESS_SEQUENTIAL,
+			"thumbnail", (int) factor,
+			NULL ) );
+	}
 	else {
 		return( vips_image_new_from_buffer( 
 			buffer->buf->data, buffer->buf->length, buffer->option_string,
--- a/test/test-suite/helpers/helpers.py
+++ b/test/test-suite/helpers/helpers.py
@ -29,6 +29,7 @@ DICOM_FILE = os.path.join(IMAGES, "dicom_test_image.dcm")
 BMP_FILE = os.path.join(IMAGES, "MARBLES.BMP")
 NIFTI_FILE = os.path.join(IMAGES, "avg152T1_LR_nifti.nii.gz")
 ICO_FILE = os.path.join(IMAGES, "favicon.ico")
+HEIC_FILE = os.path.join(IMAGES, "Example1.heic")

 unsigned_formats = [pyvips.BandFormat.UCHAR,
                    pyvips.BandFormat.USHORT,
--- a/test/test-suite/images/Example1.heic
+++ b/test/test-suite/images/Example1.heic
--- a/test/test-suite/test_foreign.py
+++ b/test/test-suite/test_foreign.py
@ -11,7 +11,7 @@ from helpers import \
    JPEG_FILE, SRGB_FILE, MATLAB_FILE, PNG_FILE, TIF_FILE, OME_FILE, \
    ANALYZE_FILE, GIF_FILE, WEBP_FILE, EXR_FILE, FITS_FILE, OPENSLIDE_FILE, \
    PDF_FILE, SVG_FILE, SVGZ_FILE, SVG_GZ_FILE, GIF_ANIM_FILE, DICOM_FILE, \
-    BMP_FILE, NIFTI_FILE, ICO_FILE, \
+    BMP_FILE, NIFTI_FILE, ICO_FILE, HEIC_FILE, \
    temp_filename, assert_almost_equal_objects, have, skip_if_no


@ -577,13 +577,6 @@ class TestForeign:
            assert im.height == 9919
            assert im.bands == 1

-        print("NIFTI_FILE =", NIFTI_FILE)
-        im = pyvips.Operation.call("niftiload", NIFTI_FILE)
-        print("width = ", im.width)
-
-        im = pyvips.Operation.call("niftiload", "test/images/avg152T1_LR_nifti.nii.gz")
-        print("width = ", im.width)
-
        self.file_loader("niftiload", NIFTI_FILE, nifti_valid)
        self.save_load("%s.nii.gz", self.mono)

@ -838,5 +831,53 @@ class TestForeign:
        buf = self.colour.dzsave_buffer(region_shrink="mode")
        buf = self.colour.dzsave_buffer(region_shrink="median")

+    @skip_if_no("heifload")
+    def test_heifload(self):
+        def heif_valid(im):
+            a = im(10, 10)
+            assert_almost_equal_objects(a, [75.0, 86.0, 81.0])
+            assert im.width == 4032
+            assert im.height == 3024
+            assert im.bands == 3
+
+        self.file_loader("heifload", HEIC_FILE, heif_valid)
+        self.buffer_loader("heifload_buffer", HEIC_FILE, heif_valid)
+        self.save_load_buffer("heifsave_buffer", "heifload_buffer",
+                              self.colour, 70)
+        self.save_load("%s.heic", self.colour)
+
+        # test lossless mode
+        im = pyvips.Image.new_from_file(HEIC_FILE)
+        buf = im.heifsave_buffer(lossless=True)
+        im2 = pyvips.Image.new_from_buffer(buf, "")
+        # not in fact quite lossless
+        assert abs(im.avg() - im2.avg()) < 3
+
+        # higher Q should mean a bigger buffer
+        b1 = im.heifsave_buffer(Q=10)
+        b2 = im.heifsave_buffer(Q=90)
+        assert len(b2) > len(b1)
+
+        # try saving an image with an ICC profile and reading it back 
+        buf = self.colour.heifsave_buffer()
+        im = pyvips.Image.new_from_buffer(buf, "")
+        p1 = self.colour.get("icc-profile-data")
+        p2 = im.get("icc-profile-data")
+        assert p1 == p2
+
+        # add tests for exif, xmp, ipct
+        # the exif test will need us to be able to walk the header,
+        # we can't just check exif-data
+
+        # test that exif changes change the output of heifsave
+        # first make sure we have exif support
+        z = pyvips.Image.new_from_file(JPEG_FILE)
+        if z.get_typeof("exif-ifd0-Orientation") != 0:
+            x = self.colour.copy()
+            x.set("orientation", 6)
+            buf = x.heifsave_buffer()
+            y = pyvips.Image.new_from_buffer(buf, "")
+            assert y.get("orientation") == 6
+
 if __name__ == '__main__':
    pytest.main()