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#ifndef SEEN_LIBNR_N_ART_BPATH_H
#define SEEN_LIBNR_N_ART_BPATH_H
/** \file
* NArtBpath: old-style path segment.
*/
#include "libnr/nr-point.h"
#include "libnr/nr-path-code.h"
/**
* Old-style path segment.
*
* Arrays of paths segment start with a MOVETO or MOVETO_OPEN segment
* where the former indicates the beginning of a closed subpath.
* \see subpath_from_bpath()
*/
class NArtBpath {
public:
NRPathcode code; ///< Type of segment
double x1, y1; ///< Position of control point in case of NR_CURVETO
double x2, y2; ///< Position of control point in case of NR_CURVETO
double x3, y3; ///< Position of next point
/// Convert i-th position data pair to Point object
/// \pre 1 <= i <= 3
NR::Point c(unsigned const i) const {
switch (i) {
case 1: return NR::Point(x1, y1);
case 2: return NR::Point(x2, y2);
case 3: return NR::Point(x3, y3);
default: abort();
}
}
/// Set i-th position data pair from Point
/// \pre 1 <= i <= 3
void setC(unsigned const i, NR::Point const &p) {
using NR::X; using NR::Y;
switch (i) {
case 1: x1 = p[X]; y1 = p[Y]; break;
case 2: x2 = p[X]; y2 = p[Y]; break;
case 3: x3 = p[X]; y3 = p[Y]; break;
default: abort();
}
}
};
#endif /* !SEEN_LIBNR_N_ART_BPATH_H */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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