* Purple is the legal property of its developers, whose names are too numerous * to list here. Please refer to the COPYRIGHT file distributed with this * 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 Street, Fifth Floor, Boston, MA 02111-1301 USA gchar *friendly_filename; static GParamSpec *properties[PROP_LAST]; G_DEFINE_TYPE_WITH_PRIVATE(PurpleImage, purple_image, G_TYPE_OBJECT); /****************************************************************************** ******************************************************************************/ _purple_image_set_path(PurpleImage *image, const gchar *path) { PurpleImagePrivate *priv = purple_image_get_instance_private(image); priv->path = g_strdup(path); _purple_image_set_contents(PurpleImage *image, GBytes *bytes) { PurpleImagePrivate *priv = purple_image_get_instance_private(image); g_bytes_unref(priv->contents); priv->contents = (bytes) ? g_bytes_ref(bytes) : NULL; /****************************************************************************** ******************************************************************************/ purple_image_init(PurpleImage *image) { purple_image_finalize(GObject *obj) { PurpleImage *image = PURPLE_IMAGE(obj); PurpleImagePrivate *priv = purple_image_get_instance_private(image); g_bytes_unref(priv->contents); g_free(priv->gen_filename); g_free(priv->friendly_filename); G_OBJECT_CLASS(purple_image_parent_class)->finalize(obj); purple_image_set_property(GObject *obj, guint param_id, const GValue *value, GParamSpec *pspec) PurpleImage *image = PURPLE_IMAGE(obj); _purple_image_set_path(image, g_value_get_string(value)); _purple_image_set_contents(image, g_value_get_boxed(value)); G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec); purple_image_get_property(GObject *obj, guint param_id, GValue *value, PurpleImage *image = PURPLE_IMAGE(obj); g_value_set_string(value, purple_image_get_path(image)); g_value_set_boxed(value, purple_image_get_contents(image)); g_value_set_uint64(value, purple_image_get_data_size(image)); G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec); purple_image_class_init(PurpleImageClass *klass) { GObjectClass *gobj_class = G_OBJECT_CLASS(klass); gobj_class->finalize = purple_image_finalize; gobj_class->get_property = purple_image_get_property; gobj_class->set_property = purple_image_set_property; properties[PROP_PATH] = g_param_spec_string( "The filepath for the image if one was provided", G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS properties[PROP_CONTENTS] = g_param_spec_boxed( "The contents of the image stored in a GBytes", G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS properties[PROP_SIZE] = g_param_spec_uint64( "The size of the image in bytes", G_PARAM_READABLE | G_PARAM_STATIC_STRINGS g_object_class_install_properties(gobj_class, PROP_LAST, properties); /****************************************************************************** ******************************************************************************/ purple_image_new_from_bytes(GBytes *bytes) { purple_image_new_from_file(const gchar *path, GError **error) { PurpleImage *image = NULL; if(!g_file_get_contents(path, &contents, &length, error)) { bytes = g_bytes_new_take(contents, length); purple_image_new_from_data(const guint8 *data, gsize length) { bytes = g_bytes_new(data, length); image = purple_image_new_from_bytes(bytes); purple_image_new_take_data(guint8 *data, gsize length) { bytes = g_bytes_new_take(data, length); image = purple_image_new_from_bytes(bytes); purple_image_save(PurpleImage *image, const gchar *path) { PurpleImagePrivate *priv = NULL; g_return_val_if_fail(PURPLE_IS_IMAGE(image), FALSE); g_return_val_if_fail(path != NULL, FALSE); g_return_val_if_fail(path[0] != '\0', FALSE); priv = purple_image_get_instance_private(image); data = purple_image_get_data(image); len = purple_image_get_data_size(image); g_return_val_if_fail(data != NULL, FALSE); g_return_val_if_fail(len > 0, FALSE); succ = purple_util_write_data_to_file_absolute(path, data, len); if (succ && priv->path == NULL) priv->path = g_strdup(path); purple_image_get_contents(PurpleImage *image) PurpleImagePrivate *priv = NULL; g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL); priv = purple_image_get_instance_private(image); return g_bytes_ref(priv->contents); purple_image_get_path(PurpleImage *image) { PurpleImagePrivate *priv = NULL; g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL); priv = purple_image_get_instance_private(image); return priv->path ? priv->path : purple_image_generate_filename(image); purple_image_get_data_size(PurpleImage *image) { PurpleImagePrivate *priv; g_return_val_if_fail(PURPLE_IS_IMAGE(image), 0); priv = purple_image_get_instance_private(image); return g_bytes_get_size(priv->contents); purple_image_get_data(PurpleImage *image) { PurpleImagePrivate *priv = NULL; g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL); priv = purple_image_get_instance_private(image); return g_bytes_get_data(priv->contents, NULL); purple_image_get_extension(PurpleImage *image) { PurpleImagePrivate *priv = NULL; g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL); priv = purple_image_get_instance_private(image); if (purple_image_get_data_size(image) < 4) data = purple_image_get_data(image); if (memcmp(data, "GIF8", 4) == 0) return priv->extension = "gif"; if (memcmp(data, "\xff\xd8\xff", 3) == 0) /* 4th may be e0 through ef */ return priv->extension = "jpg"; if (memcmp(data, "\x89PNG", 4) == 0) return priv->extension = "png"; if (memcmp(data, "MM", 2) == 0) return priv->extension = "tif"; if (memcmp(data, "II", 2) == 0) return priv->extension = "tif"; if (memcmp(data, "BM", 2) == 0) return priv->extension = "bmp"; if (memcmp(data, "\x00\x00\x01\x00", 4) == 0) return priv->extension = "ico"; purple_image_get_mimetype(PurpleImage *image) { PurpleImagePrivate *priv = NULL; const gchar *ext = purple_image_get_extension(image); g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL); priv = purple_image_get_instance_private(image); g_return_val_if_fail(ext != NULL, NULL); if (g_strcmp0(ext, "gif") == 0) return priv->mime = "image/gif"; if (g_strcmp0(ext, "jpg") == 0) return priv->mime = "image/jpeg"; if (g_strcmp0(ext, "png") == 0) return priv->mime = "image/png"; if (g_strcmp0(ext, "tif") == 0) return priv->mime = "image/tiff"; if (g_strcmp0(ext, "bmp") == 0) return priv->mime = "image/bmp"; if (g_strcmp0(ext, "ico") == 0) return priv->mime = "image/vnd.microsoft.icon"; purple_image_generate_filename(PurpleImage *image) { PurpleImagePrivate *priv = NULL; g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL); priv = purple_image_get_instance_private(image); return priv->gen_filename; /* grab the image's data and size of that data */ data = purple_image_get_data(image); len = purple_image_get_data_size(image); /* create a checksum of it and use it as the start of our filename */ checksum = g_compute_checksum_for_data(G_CHECKSUM_SHA1, data, len); /* if the image has a known format, set the extension appropriately */ ext = purple_image_get_extension(image); priv->gen_filename = g_strdup_printf("%s.%s", checksum, ext); priv->gen_filename = checksum; return priv->gen_filename; purple_image_set_friendly_filename(PurpleImage *image, const gchar *filename) { PurpleImagePrivate *priv = NULL; g_return_if_fail(PURPLE_IS_IMAGE(image)); priv = purple_image_get_instance_private(image); newname = g_path_get_basename(filename); escaped = purple_escape_filename(newname); if (g_strcmp0(escaped, "") == 0 || g_strcmp0(escaped, ".") == 0 || g_strcmp0(escaped, G_DIR_SEPARATOR_S) == 0 || g_strcmp0(escaped, "/") == 0 || g_strcmp0(escaped, "\\") == 0) g_free(priv->friendly_filename); priv->friendly_filename = g_strdup(escaped); purple_image_get_friendly_filename(PurpleImage *image) { PurpleImagePrivate *priv = NULL; g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL); priv = purple_image_get_instance_private(image); if(priv->friendly_filename) { return priv->friendly_filename; return purple_image_generate_filename(image);