1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _DXFVEC_HXX
#define _DXFVEC_HXX
#include <tools/gen.hxx>
#include <vcl/lineinfo.hxx>
class DXFLineInfo {
public:
LineStyle eStyle;
double fWidth;
sal_Int32 nDashCount;
double fDashLen;
sal_Int32 nDotCount;
double fDotLen;
double fDistance;
DXFLineInfo() :
eStyle(LINE_SOLID),
fWidth(0),
nDashCount(0),
fDashLen(0),
nDotCount(0),
fDotLen(0),
fDistance(0) {}
DXFLineInfo(const DXFLineInfo& x) :
eStyle(x.eStyle),
fWidth(x.fWidth),
nDashCount(x.nDashCount),
fDashLen(x.fDashLen),
nDotCount(x.nDotCount),
fDotLen(x.fDotLen),
fDistance(x.fDistance) {}
};
//------------------------------------------------------------------------------
//---------------------------- DXFVector ---------------------------------------
//------------------------------------------------------------------------------
// Allgemeiner 3D-Vektor mit double
class DXFVector {
public:
double fx,fy,fz; // public ! - Warum nicht ?
inline DXFVector(double fX=0.0, double fY=0.0, double fZ=0.0);
inline DXFVector(const DXFVector & rV);
// Addition/Subtraktion:
DXFVector & operator += (const DXFVector & rV);
DXFVector operator + (const DXFVector & rV) const;
DXFVector & operator -= (const DXFVector & rV);
DXFVector operator - (const DXFVector & rV) const;
// Vektorprodukt
DXFVector operator * (const DXFVector & rV) const;
// Skalarprodukt:
double SProd(const DXFVector & rV) const;
// Multiplikation mit Skalar:
DXFVector & operator *= (double fs);
DXFVector operator * (double fs) const;
// Laenge:
double Abs() const;
// Vektor gleicher Richtung und der Laenge 1:
DXFVector Unit() const;
// Aequivalenz oder nicht:
sal_Bool operator == (const DXFVector & rV) const;
sal_Bool operator != (const DXFVector & rV) const;
};
//------------------------------------------------------------------------------
//---------------------------- DXFTransform ------------------------------------
//------------------------------------------------------------------------------
// Eine Transformationsmatrix, spezialisiert auf unser Problem
class DXFTransform {
public:
DXFTransform();
// Zielkoordinate = Quellkoordinate
DXFTransform(double fScaleX, double fScaleY, double fScaleZ,
const DXFVector & rShift);
// Zielkoordinate = Verschoben(Skaliert(Quellkoorinate))
DXFTransform(double fScaleX, double fScaleY, double fScaleZ,
double fRotAngle,
const DXFVector & rShift);
// Zielkoordinate = Verschoben(Gedreht(Skaliert(Quellkoorinate)))
// Drehung geshieht um die Z-Achse, fRotAngle in Grad.
DXFTransform(const DXFVector & rExtrusion);
// Transformation "ECS->WCS" per "Entity Extrusion Direction"
// und dem "Arbitrary Axis Algorithm"
// (Siehe DXF-Docu von AutoDesk)
DXFTransform(const DXFVector & rViewDir, const DXFVector & rViewTarget);
// Transformation Objektraum->Bildraum anhand von Richtung und
// Zielpunkt eines ViewPort.
// (siehe DXF-Docu von AutoDesk: VPORT)
DXFTransform(const DXFTransform & rT1, const DXFTransform & rT2);
// Zielkoordinate = rT2(rT1(Quellkoorinate))
void Transform(const DXFVector & rSrc, DXFVector & rTgt) const;
// Transformation DXFVector nach DXFVector
void Transform(const DXFVector & rSrc, Point & rTgt) const;
// Transformation DXFVector nach SvPoint
void TransDir(const DXFVector & rSrc, DXFVector & rTgt) const;
// Transformation eines relativen Vektors (also kein Verschiebung)
sal_Bool TransCircleToEllipse(double fRadius, double & rEx, double & rEy) const;
// Versucht, einen Kreis (in der XY-Ebene) zu transformieren, so dass eine
// ausgerichtete Ellipse entsteht. Wenn das nicht geht, weil Ellipse
// in belibieger Lage entstehen wuerde, wird sal_False geliefert.
// (Der Mittelpunkt wird hiermit nicht transformiert, nehme Transform(..))
sal_uLong TransLineWidth(double fW) const;
// Transformiert die Liniendicke (so gut es geht)
double CalcRotAngle() const;
// Ermittelt den Rotationswinkel um die Z-Achse (in Grad)
sal_Bool Mirror() const;
// Liefert sal_True, wenn die Matrix ein Linkssystem bildet
LineInfo Transform(const DXFLineInfo& aDXFLineInfo) const;
// Transform to LineInfo
private:
DXFVector aMX;
DXFVector aMY;
DXFVector aMZ;
DXFVector aMP;
};
//------------------------------------------------------------------------------
//------------------------------- inlines --------------------------------------
//------------------------------------------------------------------------------
inline DXFVector::DXFVector(double fX, double fY, double fZ)
{
fx=fX; fy=fY; fz=fZ;
}
inline DXFVector::DXFVector(const DXFVector & rV)
{
fx=rV.fx; fy=rV.fy; fz=rV.fz;
}
inline DXFVector & DXFVector::operator += (const DXFVector & rV)
{
fx+=rV.fx; fy+=rV.fy; fz+=rV.fz;
return *this;
}
inline DXFVector DXFVector::operator + (const DXFVector & rV) const
{
return DXFVector(fx+rV.fx, fy+rV.fy, fz+rV.fz);
}
inline DXFVector & DXFVector::operator -= (const DXFVector & rV)
{
fx-=rV.fx; fy-=rV.fy; fz-=rV.fz;
return *this;
}
inline DXFVector DXFVector::operator - (const DXFVector & rV) const
{
return DXFVector(fx-rV.fx, fy-rV.fy, fz-rV.fz);
}
inline DXFVector DXFVector::operator * (const DXFVector & rV) const
{
return DXFVector(
fy * rV.fz - fz * rV.fy,
fz * rV.fx - fx * rV.fz,
fx * rV.fy - fy * rV.fx
);
}
inline double DXFVector::SProd(const DXFVector & rV) const
{
return fx*rV.fx + fy*rV.fy + fz*rV.fz;
}
inline DXFVector & DXFVector::operator *= (double fs)
{
fx*=fs; fy*=fs; fz*=fs;
return *this;
}
inline DXFVector DXFVector::operator * (double fs) const
{
return DXFVector(fx*fs,fy*fs,fz*fs);
}
inline sal_Bool DXFVector::operator == (const DXFVector & rV) const
{
if (fx==rV.fx && fy==rV.fy && fz==rV.fz) return sal_True;
else return sal_False;
}
inline sal_Bool DXFVector::operator != (const DXFVector & rV) const
{
if (fx!=rV.fx || fy!=rV.fy || fz!=rV.fz) return sal_True;
else return sal_False;
}
#endif
|
