/*
offset.hh -- part of GNU LilyPond
- (c) 1996,97 Han-Wen Nienhuys
+ (c) 1996--2004 Han-Wen Nienhuys
*/
#ifndef OFFSET_HH
#define OFFSET_HH
+#include "flower-proto.hh"
#include "real.hh"
#include "axes.hh"
#include "arithmetic-operator.hh"
-
-struct Offset;
+#include "string.hh"
Offset complex_multiply (Offset, Offset);
+Offset complex_divide (Offset, Offset);
Offset complex_exp (Offset);
/** 2d vector
- should change to Complex
+ should change to Complex -- how is vector == complex?
+
+ ughr wat een beerput
*/
-struct Offset {
+class Offset
+{
public:
Real coordinate_a_[NO_AXES];
- Real &operator[](Axis i) {
+ Real &operator[] (Axis i)
+ {
return coordinate_a_[i];
}
- Real operator[](Axis i) const{
+
+ Real operator[] (Axis i) const
+ {
return coordinate_a_[i];
}
- Offset& operator+=(Offset o) {
+ Offset& operator+= (Offset o)
+ {
(*this)[X_AXIS] += o[X_AXIS];
(*this)[Y_AXIS] += o[Y_AXIS];
return *this;
}
- Offset operator - () const {
+
+ Offset operator - () const
+ {
Offset o = *this;
o[X_AXIS] = - o[X_AXIS];
o[Y_AXIS] = - o[Y_AXIS];
return o;
}
- Offset& operator-=(Offset o) {
+
+ Offset& operator-= (Offset o)
+ {
(*this)[X_AXIS] -= o[X_AXIS];
(*this)[Y_AXIS] -= o[Y_AXIS];
return *this;
}
- Offset &scale (Offset o) {
+ Offset &scale (Offset o)
+ {
(*this)[X_AXIS] *= o[X_AXIS];
(*this)[Y_AXIS] *= o[Y_AXIS];
return *this;
}
- Offset &operator *=(Real a) {
+
+ Offset &operator *= (Real a)
+ {
(*this)[X_AXIS] *= a;
(*this)[Y_AXIS] *= a;
return *this;
}
- Offset (Real ix , Real iy) {
+ Offset (Real ix , Real iy)
+ {
coordinate_a_[X_AXIS] =ix;
coordinate_a_[Y_AXIS] =iy;
}
- Offset() {
- coordinate_a_[X_AXIS]=
- coordinate_a_[Y_AXIS]=
- 0.0;
+
+ Offset ()
+ {
+ coordinate_a_[X_AXIS] = coordinate_a_[Y_AXIS]= 0.0;
}
- String str () const;
+ String to_string () const;
- void mirror (Axis);
- Real arg () const;
+ Offset& mirror (Axis a)
+ {
+ coordinate_a_[a] = - coordinate_a_[a];
+ return *this;
+ }
+
+ Real arg () const;
Real length () const;
- Offset operator *=(Offset z2) {
+
+ //wtf, How is Offset a Complex? is this used?
+ Offset operator *= (Offset z2)
+ {
*this = complex_multiply (*this,z2);
return *this;
}
};
-IMPLEMENT_ARITHMETIC_OPERATOR(Offset, +);
-IMPLEMENT_ARITHMETIC_OPERATOR(Offset, -);
-IMPLEMENT_ARITHMETIC_OPERATOR(Offset, *);
+IMPLEMENT_ARITHMETIC_OPERATOR (Offset, +);
+IMPLEMENT_ARITHMETIC_OPERATOR (Offset, -);
+IMPLEMENT_ARITHMETIC_OPERATOR (Offset, *);
inline Offset
operator* (Real o1, Offset o2)
return o1;
}
+inline Offset
+mirror (Offset o, Axis a)
+{
+ o.mirror (a);
+ return o;
+}
+
-#endif // OFFSET_HH
+#endif /* OFFSET_HH */