the patch number to return data for
the path defining the patch, or a path with status CAIRO_STATUS_INVALID_INDEX if patch_num or point_num is not valid for pattern. If pattern is not a mesh pattern, a path with status CAIRO_STATUS_PATTERN_TYPE_MISMATCH is returned.
Gets path defining the patch patch_num for a mesh pattern. patch_num can range 0 to 1 less than the number returned by MeshPattern.getPatchCount. Since 1.12