Add gdk-pixbuf support
When imaging support is required, we prefer to use gdk-pixbuf, as it's already on things like Live CDs. Also fix the examples building against the system libfprint.
This commit is contained in:
Bastien Nocera
parent
911c6bf102
commit
014b933b2b
4 changed files with 123 additions and 15 deletions
30
configure.ac
30
configure.ac
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@ -21,7 +21,7 @@ AC_SUBST(lt_age)
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all_drivers="upekts upektc upeksonly vcom5s uru4000 fdu2000 aes1610 aes2501 aes4000"
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require_imagemagick='no'
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require_imaging='no'
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require_aeslib='no'
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enable_upekts='no'
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enable_upektc='no'
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@ -77,7 +77,7 @@ for driver in `echo ${drivers} | sed -e 's/,/ /g' -e 's/,$//g'`; do
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aes4000)
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AC_DEFINE([ENABLE_AES4000], [], [Build AuthenTec AES4000 driver])
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require_aeslib="yes"
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require_imagemagick="yes"
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require_imaging="yes"
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enable_aes4000="yes"
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;;
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esac
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@ -92,7 +92,6 @@ AM_CONDITIONAL([ENABLE_URU4000], [test "$enable_uru4000" != "no"])
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#AM_CONDITIONAL([ENABLE_AES1610], [test "$enable_aes1610" != "no"])
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AM_CONDITIONAL([ENABLE_AES2501], [test "$enable_aes2501" != "no"])
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AM_CONDITIONAL([ENABLE_AES4000], [test "$enable_aes4000" != "no"])
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AM_CONDITIONAL([REQUIRE_IMAGEMAGICK], [test "$require_imagemagick" != "no"])
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AM_CONDITIONAL([REQUIRE_AESLIB], [test "$require_aeslib" != "no"])
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@ -109,11 +108,26 @@ PKG_CHECK_MODULES(GLIB, "glib-2.0")
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AC_SUBST(GLIB_CFLAGS)
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AC_SUBST(GLIB_LIBS)
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if test "$require_imagemagick" != "no"; then
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PKG_CHECK_MODULES(IMAGEMAGICK, "ImageMagick")
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AC_SUBST(IMAGEMAGICK_CFLAGS)
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AC_SUBST(IMAGEMAGICK_LIBS)
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fi;
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imagemagick_found=no
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gdkpixbuf_found=no
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if test "$require_imaging" != "no"; then
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PKG_CHECK_MODULES(IMAGING, gthread-2.0 gdk-pixbuf-2.0, [gdkpixbuf_found=yes], [gdkpixbuf_found=no])
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if test "$gdkpixbuf_found" != "yes"; then
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PKG_CHECK_MODULES(IMAGING, ImageMagick, [imagemagick_found=yes], [imagemagick_found=no])
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fi
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fi
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if test "$require_imaging" != "no"; then
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if test "$gdkpixbuf_found" != "yes" && test "$imagemagick_found" != "yes"; then
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AC_MSG_ERROR([gdk-pixbuf or ImageMagick is required for imaging support])
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fi
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fi
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AM_CONDITIONAL([REQUIRE_GDKPIXBUF], [test "$gdkpixbuf_found" != "no"])
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AM_CONDITIONAL([REQUIRE_IMAGEMAGICK], [test "$imagemagick_found" != "no"])
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AC_SUBST(IMAGING_CFLAGS)
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AC_SUBST(IMAGING_LIBS)
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# Examples build
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AC_ARG_ENABLE([examples-build], [AS_HELP_STRING([--enable-examples-build],
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@ -2,22 +2,22 @@ INCLUDES = -I$(top_srcdir)
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noinst_PROGRAMS = verify_live enroll verify img_capture
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verify_live_SOURCES = verify_live.c
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verify_live_LDADD = ../libfprint/libfprint.la -lfprint
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verify_live_LDADD = ../libfprint/libfprint.la
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enroll_SOURCES = enroll.c
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enroll_LDADD = ../libfprint/libfprint.la -lfprint
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enroll_LDADD = ../libfprint/libfprint.la
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verify_SOURCES = verify.c
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verify_LDADD = ../libfprint/libfprint.la -lfprint
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verify_LDADD = ../libfprint/libfprint.la
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img_capture_SOURCES = img_capture.c
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img_capture_LDADD = ../libfprint/libfprint.la -lfprint
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img_capture_LDADD = ../libfprint/libfprint.la
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if BUILD_X11_EXAMPLES
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noinst_PROGRAMS += img_capture_continuous
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img_capture_continuous_CFLAGS = $(X_CFLAGS) $(XV_CFLAGS)
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img_capture_continuous_SOURCES = img_capture_continuous.c
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img_capture_continuous_LDADD = ../libfprint/libfprint.la -lfprint $(X_LIBS) $(X_PRE_LIBS) $(XV_LIBS) -lX11 $(X_EXTRA_LIBS);
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img_capture_continuous_LDADD = ../libfprint/libfprint.la $(X_LIBS) $(X_PRE_LIBS) $(XV_LIBS) -lX11 $(X_EXTRA_LIBS);
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endif
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@ -105,8 +105,14 @@ endif
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if REQUIRE_IMAGEMAGICK
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OTHER_SRC += imagemagick.c
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libfprint_la_CFLAGS += $(IMAGEMAGICK_CFLAGS)
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libfprint_la_LIBADD += $(IMAGEMAGICK_LIBS)
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libfprint_la_CFLAGS += $(IMAGING_CFLAGS)
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libfprint_la_LIBADD += $(IMAGING_LIBS)
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endif
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if REQUIRE_GDKPIXBUF
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OTHER_SRC += gdkpixbuf.c
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libfprint_la_CFLAGS += $(IMAGING_CFLAGS)
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libfprint_la_LIBADD += $(IMAGING_LIBS)
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endif
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if REQUIRE_AESLIB
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88
libfprint/gdkpixbuf.c
Normal file
88
libfprint/gdkpixbuf.c
Normal file
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@ -0,0 +1,88 @@
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/*
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* Imaging utility functions for libfprint
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* Copyright (C) 2007-2008 Daniel Drake <dsd@gentoo.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <errno.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "fp_internal.h"
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struct fp_img *fpi_im_resize(struct fp_img *img, unsigned int factor)
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{
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int new_width = img->width * factor;
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int new_height = img->height * factor;
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GdkPixbuf *orig, *resized;
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struct fp_img *newimg;
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guchar *pixels;
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guint y;
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int rowstride;
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g_type_init ();
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/* It is possible to implement resizing using a simple algorithm, however
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* we use gdk-pixbuf because it applies some kind of smoothing to the
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* result, which improves matching performances in my experiments. */
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/* Create the original pixbuf, and fill it in from the grayscale data */
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orig = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
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FALSE,
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8,
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img->width,
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img->height);
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rowstride = gdk_pixbuf_get_rowstride (orig);
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pixels = gdk_pixbuf_get_pixels (orig);
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for (y = 0; y < img->height; y++) {
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guint x;
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for (x = 0; x < img->width; x++) {
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guchar *p, *r;
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p = pixels + y * rowstride + x * 3;
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r = img->data + y * img->width + x;
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p[0] = r[0];
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p[1] = r[0];
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p[2] = r[0];
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}
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}
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/* Resize the pixbuf, and create the new fp_img */
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resized = gdk_pixbuf_scale_simple (orig, new_width, new_height, GDK_INTERP_HYPER);
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g_object_unref (orig);
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newimg = fpi_img_new(new_width * new_height);
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newimg->width = new_width;
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newimg->height = new_height;
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newimg->flags = img->flags;
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rowstride = gdk_pixbuf_get_rowstride (resized);
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pixels = gdk_pixbuf_get_pixels (resized);
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for (y = 0; y < newimg->height; y++) {
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guint x;
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for (x = 0; x < newimg->width; x++) {
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guchar *p, *r;
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r = img->data + y * img->width + x;
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p = pixels + y * rowstride + x * 3;
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r[0] = p[0];
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}
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}
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g_object_unref (resized);
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return newimg;
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}
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