1 files changed, 150 insertions, 0 deletions
diff --git a/src/eom-metadata-reader.c b/src/eom-metadata-reader.c
new file mode 100644
index 0000000..82955e8
--- /dev/null
+++ b/src/eom-metadata-reader.c
@@ -0,0 +1,150 @@
+/* Eye Of MATE -- Metadata Reader Interface
+ *
+ * Copyright (C) 2008 The Free Software Foundation
+ *
+ * Author: Felix Riemann <[email protected]>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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