xref: /aoo41x/main/basegfx/source/tuple/b2ituple.cxx (revision 09dbbe93)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_basegfx.hxx"
26 #include <basegfx/tuple/b2ituple.hxx>
27 #include <basegfx/tuple/b2dtuple.hxx>
28 #include <rtl/instance.hxx>
29 
30 namespace { struct EmptyTuple : public rtl::Static<basegfx::B2ITuple, EmptyTuple> {}; }
31 
32 namespace basegfx
33 {
34     const B2ITuple& B2ITuple::getEmptyTuple()
35     {
36             return EmptyTuple::get();
37     }
38 
39 	// external operators
40 	//////////////////////////////////////////////////////////////////////////
41 
42 	B2ITuple minimum(const B2ITuple& rTupA, const B2ITuple& rTupB)
43 	{
44 		B2ITuple aMin(
45 			(rTupB.getX() < rTupA.getX()) ? rTupB.getX() : rTupA.getX(),
46 			(rTupB.getY() < rTupA.getY()) ? rTupB.getY() : rTupA.getY());
47 		return aMin;
48 	}
49 
50 	B2ITuple maximum(const B2ITuple& rTupA, const B2ITuple& rTupB)
51 	{
52 		B2ITuple aMax(
53 			(rTupB.getX() > rTupA.getX()) ? rTupB.getX() : rTupA.getX(),
54 			(rTupB.getY() > rTupA.getY()) ? rTupB.getY() : rTupA.getY());
55 		return aMax;
56 	}
57 
58 	B2ITuple absolute(const B2ITuple& rTup)
59 	{
60 		B2ITuple aAbs(
61 			(0 > rTup.getX()) ? -rTup.getX() : rTup.getX(),
62 			(0 > rTup.getY()) ? -rTup.getY() : rTup.getY());
63 		return aAbs;
64 	}
65 
66 	B2DTuple interpolate(const B2ITuple& rOld1, const B2ITuple& rOld2, double t)
67 	{
68 		B2DTuple aInt(
69 			((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX(),
70 			((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY());
71 		return aInt;
72 	}
73 
74 	B2DTuple average(const B2ITuple& rOld1, const B2ITuple& rOld2)
75 	{
76 		B2DTuple aAvg(
77 			(rOld1.getX() + rOld2.getX()) * 0.5,
78 			(rOld1.getY() + rOld2.getY()) * 0.5);
79 		return aAvg;
80 	}
81 
82 	B2DTuple average(const B2ITuple& rOld1, const B2ITuple& rOld2, const B2ITuple& rOld3)
83 	{
84 		B2DTuple aAvg(
85 			(rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0),
86 			(rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0));
87 		return aAvg;
88 	}
89 
90 	B2ITuple operator+(const B2ITuple& rTupA, const B2ITuple& rTupB)
91 	{
92 		B2ITuple aSum(rTupA);
93 		aSum += rTupB;
94 		return aSum;
95 	}
96 
97 	B2ITuple operator-(const B2ITuple& rTupA, const B2ITuple& rTupB)
98 	{
99 		B2ITuple aSub(rTupA);
100 		aSub -= rTupB;
101 		return aSub;
102 	}
103 
104 	B2ITuple operator/(const B2ITuple& rTupA, const B2ITuple& rTupB)
105 	{
106 		B2ITuple aDiv(rTupA);
107 		aDiv /= rTupB;
108 		return aDiv;
109 	}
110 
111 	B2ITuple operator*(const B2ITuple& rTupA, const B2ITuple& rTupB)
112 	{
113 		B2ITuple aMul(rTupA);
114 		aMul *= rTupB;
115 		return aMul;
116 	}
117 
118 	B2ITuple operator*(const B2ITuple& rTup, sal_Int32 t)
119 	{
120 		B2ITuple aNew(rTup);
121 		aNew *= t;
122 		return aNew;
123 	}
124 
125 	B2ITuple operator*(sal_Int32 t, const B2ITuple& rTup)
126 	{
127 		B2ITuple aNew(rTup);
128 		aNew *= t;
129 		return aNew;
130 	}
131 
132 	B2ITuple operator/(const B2ITuple& rTup, sal_Int32 t)
133 	{
134 		B2ITuple aNew(rTup);
135 		aNew /= t;
136 		return aNew;
137 	}
138 
139 	B2ITuple operator/(sal_Int32 t, const B2ITuple& rTup)
140 	{
141 		B2ITuple aNew(t, t);
142 		B2ITuple aTmp(rTup);
143 		aNew /= aTmp;
144 		return aNew;
145 	}
146 
147 } // end of namespace basegfx
148 
149 // eof
150