- Extend PATH_WidenPath function as PATH_WidenPathEx with the path argument.
- Use PATH_WidenPathEx and PATH_FillPathEx functions to implement wide pen drawing in PATH_StrokePath function.
- Add the code to IntGdiLineTo, IntRectangle, IntGdiPolygon, and IntGdiPolyline in order to stroke the path when the effective wide pen.
FIXME: Boundary rectangle.
CORE-2527, CORE-8366
Preparation to support pen width.
Split IntGdiWidenPath function from PATH_WidenPath function.
IntGdiWidenPath is independent from DC.
CORE-2527, CORE-13534