/* Eye Of MATE -- Metadata Reader Interface * * Copyright (C) 2008 The Free Software Foundation * * Author: Felix Riemann <friemann@svn.gnome.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "eom-metadata-reader.h" #include "eom-metadata-reader-jpg.h" #include "eom-metadata-reader-png.h" #include "eom-debug.h" GType eom_metadata_reader_get_type (void) { static GType reader_type = 0; if (G_UNLIKELY (reader_type == 0)) { reader_type = g_type_register_static_simple (G_TYPE_INTERFACE, "EomMetadataReader", sizeof (EomMetadataReaderInterface), NULL, 0, NULL, 0); } return reader_type; } EomMetadataReader* eom_metadata_reader_new (EomMetadataFileType type) { EomMetadataReader *emr; switch (type) { case EOM_METADATA_JPEG: emr = EOM_METADATA_READER (g_object_new (EOM_TYPE_METADATA_READER_JPG, NULL)); break; case EOM_METADATA_PNG: emr = EOM_METADATA_READER (g_object_new (EOM_TYPE_METADATA_READER_PNG, NULL)); break; default: emr = NULL; break; } return emr; } gboolean eom_metadata_reader_finished (EomMetadataReader *emr) { g_return_val_if_fail (EOM_IS_METADATA_READER (emr), TRUE); return EOM_METADATA_READER_GET_INTERFACE (emr)->finished (emr); } void eom_metadata_reader_consume (EomMetadataReader *emr, const guchar *buf, guint len) { EOM_METADATA_READER_GET_INTERFACE (emr)->consume (emr, buf, len); } /* Returns the raw exif data. NOTE: The caller of this function becomes * the new owner of this piece of memory and is responsible for freeing it! */ void eom_metadata_reader_get_exif_chunk (EomMetadataReader *emr, guchar **data, guint *len) { EomMetadataReaderInterface *iface; g_return_if_fail (data != NULL && len != NULL); iface = EOM_METADATA_READER_GET_INTERFACE (emr); if (iface->get_raw_exif) { iface->get_raw_exif (emr, data, len); } else { g_return_if_fail (data != NULL && len != NULL); *data = NULL; *len = 0; } } #ifdef HAVE_EXIF ExifData* eom_metadata_reader_get_exif_data (EomMetadataReader *emr) { gpointer exif_data = NULL; EomMetadataReaderInterface *iface; iface = EOM_METADATA_READER_GET_INTERFACE (emr); if (iface->get_exif_data) exif_data = iface->get_exif_data (emr); return exif_data; } #endif #ifdef HAVE_EXEMPI XmpPtr eom_metadata_reader_get_xmp_data (EomMetadataReader *emr ) { gpointer xmp_data = NULL; EomMetadataReaderInterface *iface; iface = EOM_METADATA_READER_GET_INTERFACE (emr); if (iface->get_xmp_ptr) xmp_data = iface->get_xmp_ptr (emr); return xmp_data; } #endif #ifdef HAVE_LCMS cmsHPROFILE eom_metadata_reader_get_icc_profile (EomMetadataReader *emr) { EomMetadataReaderInterface *iface; gpointer profile = NULL; iface = EOM_METADATA_READER_GET_INTERFACE (emr); if (iface->get_icc_profile) profile = iface->get_icc_profile (emr); return profile; } #endif