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/* |
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* graphic interface |
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*/ |
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|
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#ifndef INTERFACE_H |
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#define INTERFACE_H |
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|
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#include "attr.h" |
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#include "util.h" |
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#include "matrix.h" |
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|
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#include <utility> |
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|
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struct point : module_vec { |
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vec v, n; // vertex, normal |
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attribute_set attr; // attributes |
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|
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point(const module_vec &v, const vec &pos, const vec &up, const attribute_set &as) t_no |
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: module_vec(v), v(pos), n(up), attr(as) {}; |
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}; |
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|
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typedef vector<point> points; |
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|
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// <0 cw, >0 ccw |
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double winding (const points &v) t_no; |
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|
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struct gfx_int { |
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virtual ~gfx_int () t_no {}; |
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|
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virtual void begin_fig() t_no {}; |
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virtual void end_fig() t_no {}; |
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|
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virtual void segment (const point &, const point &) t_err abstract; |
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virtual void object (const points &) t_err abstract; |
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}; |
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|
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#endif |
