Shulou(Shulou.com)06/02 Report--

/ / draw a large white semicircle on the left

Ras.reset ()

Agg::arc arc (400,100,100,100,1.57,-1.57 false)

Ras.add_path (arc)

Ras.move_to_d (400 and 0)

Ras.line_to_d (400200)

Agg::render_scanlines_aa_solid (ras,sl,renb,agg::rgba8 (255255255))

Ras.reset ()

Agg::arc arc1 (400,100,100,1.57,-1.57)

Ras.add_path (arc1)

Ras.edge_d (4004.0400200)

Agg::render_scanlines_aa_solid (ras,sl,renb,agg::rgba8 (0J 0J 0))

/ / draw the small white semicircle above

Ras.reset ()

Agg::arc arc2 (400,50,50,50,1.57,-1.57)

Ras.add_path (arc2)

Ras.auto_close (true)

Agg::render_scanlines_aa_solid (ras,sl,renb,agg::rgba8 (255255255))

/ / draw the small black semicircle below

Ras.reset ()

Agg::arc arc3 (400,150,50,50,1.57,-1.57 false)

Ras.add_path (arc3)

Ras.close_polygon ()

Agg::render_scanlines_aa_solid (ras,sl,renb,agg::rgba8 (0J 0J 0))

/ / draw the black Taiji eye above

Ras.reset ()

Agg::ellipse ell (400, 50, 10, 10)

Ras.add_path (ell)

Agg::render_scanlines_aa_solid (ras,sl,renb,agg::rgba8 (0J 0J 0))

/ / draw the white Taiji eye below

Ras.reset ()

Agg::ellipse ell1 (400, 150, 150, 10, 10)

Ras.add_path (ell1)

Agg::render_scanlines_aa_solid (ras,sl,renb,agg::rgba8 (255255255))

One more sentence: ras.close_polygon (); ras.auto_close (true); ras.edge_d (4000.400200); all are used to close the semi-arc before you can fill the color!

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