--- /dev/null
+#ifndef __TEST_PRINT_FILE_OPERATION_H__
+#define __TEST_PRINT_FILE_OPERATION_H__
+
+#include <gtk/gtkprintoperation.h>
+
+G_BEGIN_DECLS
+
+#define TEST_TYPE_PRINT_FILE_OPERATION (test_print_file_operation_get_type ())
+#define TEST_PRINT_FILE_OPERATION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TEST_TYPE_PRINT_FILE_OPERATION, TestPrintFileOperation))
+#define TEST_IS_PRINT_FILE_OPERATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TEST_TYPE_PRINT_FILE_OPERATION))
+
+typedef struct _TestPrintFileOperationClass TestPrintFileOperationClass;
+typedef struct _TestPrintFileOperationPrivate TestPrintFileOperationPrivate;
+typedef struct _TestPrintFileOperation TestPrintFileOperation;
+
+struct _TestPrintFileOperation
+{
+ GtkPrintOperation parent_instance;
+
+ /* < private > */
+ char *filename;
+ double font_size;
+ int lines_per_page;
+
+
+ char **lines;
+ int num_lines;
+ int num_pages;
+};
+
+struct _TestPrintFileOperationClass
+{
+ GtkPrintOperationClass parent_class;
+};
+
+GType test_print_file_operation_get_type (void);
+TestPrintFileOperation *test_print_file_operation_new (const char *filename);
+void test_print_file_operation_set_font_size (TestPrintFileOperation *op,
+ double points);
+
+G_END_DECLS
+
+#endif /* __TEST_PRINT_FILE_OPERATION_H__ */