TEXT: use DxfFile struct.

Signed-off-by: bert <bert.timmerman@xs4all.nl>
TEXT: DxfText struct according to R10..R14.

Signed-off-by: bert <bert.timmerman@xs4all.nl>
TEXT: according to R10..R14.

Signed-off-by: bert <bert.timmerman@xs4all.nl>