diff options
Diffstat (limited to 'src/tracker-extract/tracker-extract-icon.c')
| -rw-r--r-- | src/tracker-extract/tracker-extract-icon.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/src/tracker-extract/tracker-extract-icon.c b/src/tracker-extract/tracker-extract-icon.c deleted file mode 100644 index 69ed5fdd4..000000000 --- a/src/tracker-extract/tracker-extract-icon.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * Copyright (C) 2010, Nokia <ivan.frade@nokia.com> - * - * This library 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 2.1 of the License, or (at your option) any later version. - * - * This library 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 library; if not, write to the - * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#include "config.h" - -#include <libtracker-common/tracker-file-utils.h> -#include <libtracker-extract/tracker-extract.h> - -#define ICON_HEADER_SIZE_16 3 -#define ICON_IMAGE_METADATA_SIZE_8 16 - -static gboolean -find_max_width_and_height (const gchar *uri, - guint *width, - guint *height) -{ - GError *error = NULL; - GFile *file; - GFileInputStream *stream; - guint n_images; - guint i; - guint16 header [ICON_HEADER_SIZE_16]; - - *width = 0; - *height = 0; - - file = g_file_new_for_uri (uri); - stream = g_file_read (file, NULL, &error); - if (error) { - g_message ("Could not read file '%s': %s", - uri, - error->message); - g_error_free (error); - g_object_unref (file); - - return FALSE; - } - - /* Header consists of: - * - 2bytes, reserved, must be 0 - * - 2bytes, image type (1:icon, 2:cursor, other values invalid) - * - 2bytes, number of images in the file. - * - * Right now we just need the number of images in the file. - */ - if (!g_input_stream_read_all (G_INPUT_STREAM (stream), - header, - ICON_HEADER_SIZE_16 * 2, - NULL, - NULL, - &error)) { - g_message ("Error reading icon header from stream: '%s'", - error->message); - g_error_free (error); - g_object_unref (stream); - g_object_unref (file); - return FALSE; - } - - n_images = GUINT16_FROM_LE (header[2]); - g_debug ("Found '%u' images in the icon file...", n_images); - - /* Loop images looking for the biggest one... */ - for (i = 0; i < n_images; i++) { - guint8 image_metadata [ICON_IMAGE_METADATA_SIZE_8]; - - /* Image metadata chunk consists of: - * - 1 byte, width in pixels, 0 means 256 - * - 1 byte, height in pixels, 0 means 256 - * - Plus some other stuff we don't care about... - */ - if (!g_input_stream_read_all (G_INPUT_STREAM (stream), - image_metadata, - ICON_IMAGE_METADATA_SIZE_8, - NULL, - NULL, - &error)) { - g_message ("Error reading icon image metadata '%u' from stream: '%s'", - i, - error->message); - g_error_free (error); - break; - } - - g_debug (" Image '%u'; width:%u height:%u", - i, - image_metadata[0], - image_metadata[1]); - - /* Width... */ - if (image_metadata[0] == 0) { - *width = 256; - } else if (image_metadata[0] > *width) { - *width = image_metadata[0]; - } - - /* Height... */ - if (image_metadata[1] == 0) { - *height = 256; - } else if (image_metadata[1] > *height) { - *height = image_metadata[1]; - } - } - - g_input_stream_close (G_INPUT_STREAM (stream), NULL, NULL); - g_object_unref (stream); - g_object_unref (file); - return TRUE; -} - -G_MODULE_EXPORT gboolean -tracker_extract_get_metadata (TrackerExtractInfo *info) -{ - TrackerResource *metadata; - guint max_width; - guint max_height; - GFile *file; - gchar *uri; - - file = tracker_extract_info_get_file (info); - uri = g_file_get_uri (file); - - metadata = tracker_resource_new (NULL); - - /* The Windows Icon file format may contain the same icon with different - * sizes inside, so there's no clear way of setting single width and - * height values. Thus, we set maximum sizes found. */ - tracker_resource_add_uri (metadata, "rdf:type", "nfo:Image"); - tracker_resource_add_uri (metadata, "rdf:type", "nfo:Icon"); - - if (find_max_width_and_height (uri, &max_width, &max_height)) { - if (max_width > 0) { - tracker_resource_set_int64 (metadata, "nfo:width", (gint64)max_width); - } - if (max_height > 0) { - tracker_resource_set_int64 (metadata, "nfo:height", (gint64)max_height); - } - } - - g_free (uri); - - tracker_extract_info_set_resource (info, metadata); - g_object_unref (metadata); - - return TRUE; -} |