C++ (Cpp) gth_thumb_loader_get_requested_sizeの例

コード例 #1

ファイル: dlg-import-from-flickr.c プロジェクト: cristiklein/gthumb

static GthImage *
flickr_thumbnail_loader (GInputStream  *istream,
			 GthFileData   *file_data,
			 int            requested_size,
			 int           *original_width,
			 int           *original_height,
			 gboolean      *loaded_original,
			 gpointer       user_data,
			 GCancellable  *cancellable,
		         GError       **error)
{
	GthImage       *image = NULL;
	GthThumbLoader *thumb_loader = user_data;
	FlickrPhoto    *photo;
	const char     *uri = NULL;

	photo = (FlickrPhoto *) g_file_info_get_attribute_object (file_data->info, "flickr::object");
	requested_size = gth_thumb_loader_get_requested_size (thumb_loader);
	if (requested_size == FLICKR_SIZE_SMALL_SQUARE)
		uri = photo->url[FLICKR_URL_SQ];
	else if (requested_size == FLICKR_SIZE_THUMBNAIL)
		uri = photo->url[FLICKR_URL_T];
	else if (requested_size == FLICKR_SIZE_SMALL)
		uri = photo->url[FLICKR_URL_S];
	else if (requested_size == FLICKR_SIZE_MEDIUM)
		uri = photo->url[FLICKR_URL_M];

	if (uri == NULL)
		uri = photo->url[FLICKR_URL_O];

	if (uri != NULL) {
		GFile *file;
		void  *buffer;
		gsize  size;

		file = g_file_new_for_uri (uri);
		if (_g_file_load_in_buffer (file, &buffer, &size, cancellable, error)) {
			GInputStream *stream;
			GdkPixbuf    *pixbuf;

			stream = g_memory_input_stream_new_from_data (buffer, size, g_free);
			pixbuf = gdk_pixbuf_new_from_stream (stream, cancellable, error);
			if (pixbuf != NULL) {
				GdkPixbuf *rotated;

				rotated = gdk_pixbuf_apply_embedded_orientation (pixbuf);
				g_object_unref (pixbuf);
				pixbuf = rotated;

				image = gth_image_new_for_pixbuf (pixbuf);
			}

			g_object_unref (pixbuf);
			g_object_unref (stream);
		}

		g_object_unref (file);
	}
	else
		*error = g_error_new_literal (GTH_ERROR, 0, "cannot generate the thumbnail");

	return image;
}

コード例 #2

ファイル: dlg-import-from-picasaweb.c プロジェクト: GNOME/gthumb

static GthImage *
picasa_web_thumbnail_loader (GInputStream  *istream,
			     GthFileData   *file_data,
			     int            requested_size,
			     int           *original_width,
			     int           *original_height,
			     gboolean      *loaded_original,
			     gpointer       user_data,
			     GCancellable  *cancellable,
			     GError       **error)
{
	GthImage       *image = NULL;
	GthThumbLoader *thumb_loader = user_data;
	PicasaWebPhoto *photo;
	const char     *uri;

	photo = (PicasaWebPhoto *) g_file_info_get_attribute_object (file_data->info, "gphoto::object");
	requested_size = gth_thumb_loader_get_requested_size (thumb_loader);
	if (requested_size == 72)
		uri = photo->thumbnail_72;
	else if (requested_size == 144)
		uri = photo->thumbnail_144;
	else if (requested_size == 288)
		uri = photo->thumbnail_288;
	else
		uri = NULL;

	if (uri == NULL)
		uri = photo->uri;

	if (uri != NULL) {
		GFile *file;
		void  *buffer;
		gsize  size;

		file = g_file_new_for_uri (uri);
		if (_g_file_load_in_buffer (file, &buffer, &size, cancellable, error)) {
			GInputStream *stream;
			GdkPixbuf    *pixbuf;

			stream = g_memory_input_stream_new_from_data (buffer, size, g_free);
			pixbuf = gdk_pixbuf_new_from_stream (stream, cancellable, error);
			if (pixbuf != NULL) {
				GdkPixbuf *rotated;

				rotated = gdk_pixbuf_apply_embedded_orientation (pixbuf);
				g_object_unref (pixbuf);
				pixbuf = rotated;

				image = gth_image_new_for_pixbuf (pixbuf);
			}

			g_object_unref (pixbuf);
			g_object_unref (stream);
		}

		g_object_unref (file);
	}
	else
		*error = g_error_new_literal (GTH_ERROR, 0, "cannot generate the thumbnail");

	return image;
}