add autoconf stuff
todo: - copypaste magick2vips into magick7load - move to magick7 API - test with magick6 and GM too, of course see https://github.com/jcupitt/libvips/issues/480
This commit is contained in:
John Cupitt
parent
0f2d1a6b0b
commit
40f8a8af85
52
configure.ac
52
configure.ac
@ -428,25 +428,23 @@ if test x"$with_fftw" != "xno"; then
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)
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fi
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# ImageMagick ... detect attribute iteration too
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# Optionally look for GraphicsMagick instead ... use
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# --with-magickpackage=GraphicsMagick
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# ImageMagick
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AC_ARG_WITH([magick],
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AS_HELP_STRING([--without-magick], [build without libMagic (default: test)]))
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AC_ARG_WITH([magickpackage],
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AS_HELP_STRING([--with-magickpackage],
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[magickpackage to use (default: MagickWand, ImageMagick; try GraphicsMagick to build against gm instead)]))
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[magickpackage to use (default: MagickCore; try GraphicsMagick to build against gm instead)]))
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# recent versions of ImageMagick have split parts of the library off to
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# MagickWand, so by default we test for that first
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# set the default magick package ... very old imagemagicks called it
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# ImageMagick
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if test x"$with_magickpackage" = "x"; then
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PKG_CHECK_MODULES(MAGICK_WAND, MagickWand,
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[with_magickpackage=MagickWand
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PKG_CHECK_MODULES(MAGICK_WAND, MagickCore,
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[with_magickpackage=MagickCore
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],
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[PKG_CHECK_MODULES(IMAGE_MAGICK, ImageMagick,
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[with_magickpackage=ImageMagick
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],
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[AC_MSG_WARN([neither MagickWand nor ImageMagick found; disabling Magick support])
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[AC_MSG_WARN([neither MagickCore nor ImageMagick found; disabling Magick support])
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with_magick=no
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]
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)
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@ -454,19 +452,31 @@ if test x"$with_magickpackage" = "x"; then
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)
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fi
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# we have a separate loader for magick7 with fewer ifdef
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# options; only test for features on the magick6 case
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if test x"$with_magick" != x"no"; then
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PKG_CHECK_MODULES(MAGICK, $with_magickpackage,
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[AC_DEFINE(HAVE_MAGICK,1,[define if you have libMagick installed.])
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with_magick=yes
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PKG_CHECK_MODULES(MAGICK, $with_magickpackage >= 7.0,
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[AC_DEFINE(HAVE_MAGICK7,1,[define if you have libMagick7 installed.])
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with_magick="yes (magick7)"
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magick7=yes
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PACKAGES_USED="$PACKAGES_USED $with_magickpackage"
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],
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[AC_MSG_WARN([$with_magickpackage not found; disabling Magick support])
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with_magick=no
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]
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[PKG_CHECK_MODULES(MAGICK, $with_magickpackage,
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[AC_DEFINE(HAVE_MAGICK,1,[define if you have libMagick installed.])
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with_magick="yes (magick6)"
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magick6=yes
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PACKAGES_USED="$PACKAGES_USED $with_magickpackage"
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],
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[AC_MSG_WARN([$with_magickpackage not found; disabling Magick support])
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with_magick=no
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]
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)
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]
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)
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fi
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if test x"$with_magick" != x"no"; then
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if test x"$magick6" = x"yes"; then
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# we SetImageOption to disable some DICOM read processing, but that's only
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# in more recent imagemagicks and not in graphicsmagick
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save_LIBS="$LIBS"
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@ -477,7 +487,7 @@ if test x"$with_magick" != x"no"; then
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LIBS="$save_LIBS"
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fi
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if test x"$with_magick" != x"no"; then
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if test x"$magick6" = x"yes"; then
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# newer ImageMagicks use MagickCoreGenesis instead of InitializeMagick argh
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save_LIBS="$LIBS"
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LIBS="$LIBS $MAGICK_LIBS"
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@ -487,7 +497,7 @@ if test x"$with_magick" != x"no"; then
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LIBS="$save_LIBS"
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fi
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if test x"$with_magick" != "xno"; then
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if test x"$magick6" = x"yes"; then
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# newer ImageMagicks use ResetImagePropertyIterator instead of
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# ResetImageAttributeIterator argh
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save_LIBS="$LIBS"
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@ -498,7 +508,7 @@ if test x"$with_magick" != "xno"; then
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LIBS="$save_LIBS"
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fi
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if test x"$with_magick" != "xno"; then
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if test x"$magick6" = x"yes"; then
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# so ... do we have ResetImageAttributeIterator()? GM does not
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save_LIBS="$LIBS"
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LIBS="$LIBS $MAGICK_LIBS"
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@ -508,7 +518,7 @@ if test x"$with_magick" != "xno"; then
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LIBS="$save_LIBS"
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fi
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if test x"$with_magick" != "xno"; then
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if test x"$magick6" = x"yes"; then
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# more recent magicks have GetVirtualPixels rather than GetImagePixels
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save_LIBS="$LIBS"
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LIBS="$LIBS $MAGICK_LIBS"
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@ -518,7 +528,7 @@ if test x"$with_magick" != "xno"; then
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LIBS="$save_LIBS"
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fi
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if test x"$with_magick" != "xno"; then
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if test x"$magick6" = x"yes"; then
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# do we have number_scenes in image_info ... imagemagick uses this, gm
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# still uses subrange
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save_CFLAGS="$CFLAGS"
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@ -35,6 +35,7 @@ libforeign_la_SOURCES = \
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magick.h \
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magick2vips.c \
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magickload.c \
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magick7load.c \
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pngload.c \
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pngsave.c \
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vipspng.h \
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292
libvips/foreign/magick7load.c
Normal file
292
libvips/foreign/magick7load.c
Normal file
@ -0,0 +1,292 @@
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/* load with libMagick7
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*
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* 8/7/16
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* - from magickload
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*/
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/*
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This file is part of VIPS.
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VIPS is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA
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*/
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/*
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These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
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*/
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/*
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#define DEBUG
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /*HAVE_CONFIG_H*/
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#include <vips/intl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <vips/vips.h>
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#include <vips/buf.h>
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#include <vips/internal.h>
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#ifdef HAVE_MAGICK7
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typedef struct _VipsForeignLoadMagick7 {
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VipsForeignLoad parent_object;
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gboolean all_frames; /* Load all frames */
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char *density; /* Load at this resolution */
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int page; /* Load this page (frame) */
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} VipsForeignLoadMagick7;
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typedef VipsForeignLoadClass VipsForeignLoadMagick7Class;
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G_DEFINE_ABSTRACT_TYPE( VipsForeignLoadMagick7, vips_foreign_load_magick7,
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VIPS_TYPE_FOREIGN_LOAD );
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static VipsForeignFlags
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vips_foreign_load_magick7_get_flags_filename( const char *filename )
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{
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return( VIPS_FOREIGN_PARTIAL );
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}
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static VipsForeignFlags
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vips_foreign_load_magick7_get_flags( VipsForeignLoad *load )
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{
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return( VIPS_FOREIGN_PARTIAL );
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}
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static void
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vips_foreign_load_magick7_class_init( VipsForeignLoadMagick7Class *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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VipsForeignClass *foreign_class = (VipsForeignClass *) class;
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VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "magickload_base";
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object_class->description = _( "load with ImageMagick7" );
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/* We need to be well to the back of the queue since vips's
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* dedicated loaders are usually preferable.
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*/
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foreign_class->priority = -100;
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load_class->get_flags_filename =
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vips_foreign_load_magick7_get_flags_filename;
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load_class->get_flags = vips_foreign_load_magick7_get_flags;
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VIPS_ARG_BOOL( class, "all_frames", 3,
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_( "all_frames" ),
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_( "Read all frames from an image" ),
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VIPS_ARGUMENT_OPTIONAL_INPUT,
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G_STRUCT_OFFSET( VipsForeignLoadMagick7, all_frames ),
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FALSE );
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VIPS_ARG_STRING( class, "density", 4,
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_( "Density" ),
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_( "Canvas resolution for rendering vector formats like SVG" ),
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VIPS_ARGUMENT_OPTIONAL_INPUT,
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G_STRUCT_OFFSET( VipsForeignLoadMagick7, density ),
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NULL );
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VIPS_ARG_INT( class, "page", 5,
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_( "Page" ),
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_( "Load this page from the file" ),
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VIPS_ARGUMENT_OPTIONAL_INPUT,
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G_STRUCT_OFFSET( VipsForeignLoadMagick7, page ),
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0, 100000, 0 );
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}
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static void
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vips_foreign_load_magick7_init( VipsForeignLoadMagick7 *magick7 )
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{
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}
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typedef struct _VipsForeignLoadMagick7File {
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VipsForeignLoadMagick7 parent_object;
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char *filename;
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} VipsForeignLoadMagick7File;
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typedef VipsForeignLoadMagick7Class VipsForeignLoadMagick7FileClass;
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G_DEFINE_TYPE( VipsForeignLoadMagick7File, vips_foreign_load_magick7_file,
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vips_foreign_load_magick7_get_type() );
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static gboolean
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ismagick7( const char *filename )
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{
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VipsImage *t;
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int result;
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t = vips_image_new();
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vips_error_freeze();
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result = vips__magick7_read_header( filename, t, FALSE, NULL, 0 );
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g_object_unref( t );
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vips_error_thaw();
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return( result == 0 );
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}
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/* Unfortunately, libMagick7 does not support header-only reads very well. See
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*
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* http://www.imagemagick7.org/discourse-server/viewtopic.php?f=1&t=20017
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*
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* Test especially with BMP, GIF, TGA. So we are forced to read the entire
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* image in the @header() method.
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*/
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static int
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vips_foreign_load_magick7_file_header( VipsForeignLoad *load )
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{
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VipsForeignLoadMagick7 *magick7 = (VipsForeignLoadMagick7 *) load;
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VipsForeignLoadMagick7File *magick7_file =
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(VipsForeignLoadMagick7File *) load;
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if( vips__magick7_read( magick7_file->filename,
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load->out, magick7->all_frames, magick7->density, magick7->page ) )
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return( -1 );
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VIPS_SETSTR( load->out->filename, magick7_file->filename );
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return( 0 );
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}
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static void
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vips_foreign_load_magick7_file_class_init(
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VipsForeignLoadMagick7FileClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "magickload";
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object_class->description = _( "load file with ImageMagick7" );
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load_class->is_a = ismagick7;
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load_class->header = vips_foreign_load_magick7_file_header;
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load_class->load = NULL;
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VIPS_ARG_STRING( class, "filename", 1,
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_( "Filename" ),
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_( "Filename to load from" ),
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VIPS_ARGUMENT_REQUIRED_INPUT,
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G_STRUCT_OFFSET( VipsForeignLoadMagick7File, filename ),
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NULL );
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}
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static void
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vips_foreign_load_magick7_file_init( VipsForeignLoadMagick7File *magick7_file )
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{
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}
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typedef struct _VipsForeignLoadMagick7Buffer {
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VipsForeignLoadMagick7 parent_object;
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VipsArea *buf;
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} VipsForeignLoadMagick7Buffer;
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typedef VipsForeignLoadMagick7Class VipsForeignLoadMagick7BufferClass;
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G_DEFINE_TYPE( VipsForeignLoadMagick7Buffer, vips_foreign_load_magick7_buffer,
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vips_foreign_load_magick7_get_type() );
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static gboolean
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vips_foreign_load_magick7_buffer_is_a_buffer( const void *buf, size_t len )
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{
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VipsImage *t;
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int result;
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t = vips_image_new();
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vips_error_freeze();
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result = vips__magick7_read_buffer_header( buf, len, t, FALSE, NULL, 0 );
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g_object_unref( t );
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vips_error_thaw();
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return( result == 0 );
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}
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/* Unfortunately, libMagick7 does not support header-only reads very well. See
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*
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* http://www.imagemagick7.org/discourse-server/viewtopic.php?f=1&t=20017
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*
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* Test especially with BMP, GIF, TGA. So we are forced to read the entire
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* image in the @header() method.
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*/
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static int
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vips_foreign_load_magick7_buffer_header( VipsForeignLoad *load )
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{
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VipsForeignLoadMagick7 *magick7 = (VipsForeignLoadMagick7 *) load;
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VipsForeignLoadMagick7Buffer *magick7_buffer =
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(VipsForeignLoadMagick7Buffer *) load;
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if( vips__magick7_read_buffer(
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magick7_buffer->buf->data, magick7_buffer->buf->length,
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load->out, magick7->all_frames, magick7->density, magick7->page ) )
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return( -1 );
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return( 0 );
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}
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static void
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vips_foreign_load_magick7_buffer_class_init(
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VipsForeignLoadMagick7BufferClass *class )
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS( class );
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VipsObjectClass *object_class = (VipsObjectClass *) class;
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VipsForeignLoadClass *load_class = (VipsForeignLoadClass *) class;
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gobject_class->set_property = vips_object_set_property;
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gobject_class->get_property = vips_object_get_property;
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object_class->nickname = "magickload_buffer";
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object_class->description = _( "load buffer with ImageMagick7" );
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load_class->is_a_buffer = vips_foreign_load_magick7_buffer_is_a_buffer;
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load_class->header = vips_foreign_load_magick7_buffer_header;
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load_class->load = NULL;
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VIPS_ARG_BOXED( class, "buffer", 1,
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_( "Buffer" ),
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_( "Buffer to load from" ),
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VIPS_ARGUMENT_REQUIRED_INPUT,
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G_STRUCT_OFFSET( VipsForeignLoadMagick7Buffer, buf ),
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VIPS_TYPE_BLOB );
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}
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static void
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vips_foreign_load_magick7_buffer_init( VipsForeignLoadMagick7Buffer *buffer )
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{
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}
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#endif /*HAVE_MAGICK7*/
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