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
|
// SPDX-FileCopyrightText: 2003 Dominique Devriese <devriese@kde.org>
// SPDX-FileCopyrightText: 2004 Pino Toscano <toscano.pino@tiscali.it>
// SPDX-License-Identifier: GPL-2.0-or-later
#include "angle_type.h"
#include "../kig/kig_commands.h"
#include "../kig/kig_part.h"
#include "../kig/kig_view.h"
#include "../misc/calcpaths.h"
#include "../misc/common.h"
#include "../misc/goniometry.h"
#include "../misc/kiginputdialog.h"
#include "bogus_imp.h"
#include "other_imp.h"
#include "point_imp.h"
#include <algorithm>
#include <cmath>
#include <functional>
#include <QStringList>
static const KLazyLocalizedString constructanglethroughpoint = kli18n("Construct an angle through this point");
static const ArgsParser::spec argsspecAngle[] = {
{PointImp::stype(), constructanglethroughpoint, kli18n("Select a point that the first half-line of the angle should go through..."), true},
{PointImp::stype(), kli18n("Construct an angle at this point"), kli18n("Select the point to construct the angle in..."), true},
{PointImp::stype(), constructanglethroughpoint, kli18n("Select a point that the second half-line of the angle should go through..."), true}};
KIG_INSTANTIATE_OBJECT_TYPE_INSTANCE(AngleType)
AngleType::AngleType()
: ArgsParserObjectType("Angle", argsspecAngle, 3)
{
}
AngleType::~AngleType()
{
}
const AngleType *AngleType::instance()
{
static const AngleType t;
return &t;
}
ObjectImp *AngleType::calc(const Args &parents, const KigDocument &) const
{
if (!margsparser.checkArgs(parents, 2))
return new InvalidImp;
std::vector<Coordinate> points;
for (uint i = 0; i < parents.size(); ++i)
points.push_back(static_cast<const PointImp *>(parents[i])->coordinate());
Coordinate lvect = points[0] - points[1];
Coordinate rvect;
bool markRightAngle = true;
if (points.size() == 3) {
rvect = points[2] - points[1];
} else {
rvect = lvect.orthogonal();
markRightAngle = false; // angle is still incomplete
}
double startangle = atan2(lvect.y, lvect.x);
double endangle = atan2(rvect.y, rvect.x);
double anglelength = endangle - startangle;
if (anglelength < 0)
anglelength += 2 * M_PI;
if (startangle < 0)
startangle += 2 * M_PI;
return new AngleImp(points[1], startangle, anglelength, markRightAngle);
}
const ObjectImpType *AngleType::resultId() const
{
return AngleImp::stype();
}
QStringList AngleType::specialActions() const
{
QStringList ret;
ret << i18n("Set Si&ze");
ret << i18n("Toggle &Right Angle Mark");
return ret;
}
void AngleType::executeAction(int i, ObjectHolder &, ObjectTypeCalcer &t, KigPart &d, KigWidget &w, NormalMode &) const
{
if (i == 0) {
std::vector<ObjectCalcer *> parents = t.parents();
assert(margsparser.checkArgs(parents));
Coordinate a = static_cast<const PointImp *>(parents[0]->imp())->coordinate();
Coordinate b = static_cast<const PointImp *>(parents[1]->imp())->coordinate();
Coordinate c = static_cast<const PointImp *>(parents[2]->imp())->coordinate();
Coordinate lvect = a - b;
Coordinate rvect = c - b;
double startangle = atan2(lvect.y, lvect.x);
double endangle = atan2(rvect.y, rvect.x);
double anglelength = endangle - startangle;
if (anglelength < 0)
anglelength += 2 * M_PI;
if (startangle < 0)
startangle += 2 * M_PI;
Goniometry go(anglelength, Goniometry::Rad);
go.convertTo(Goniometry::Deg);
bool ok;
Goniometry newsize = KigInputDialog::getAngle(&w, &ok, go);
if (!ok)
return;
newsize.convertTo(Goniometry::Rad);
double newcangle = startangle + newsize.value();
Coordinate cdir(cos(newcangle), sin(newcangle));
Coordinate nc = b + cdir.normalize(rvect.length());
MonitorDataObjects mon(getAllParents(parents));
parents[2]->move(nc, d.document());
KigCommand *kc = new KigCommand(d, i18n("Resize Angle"));
mon.finish(kc);
d.history()->push(kc);
} else if (i == 1) {
AngleImp *angleImp = const_cast<AngleImp *>(dynamic_cast<const AngleImp *>(t.imp()));
angleImp->setMarkRightAngle(!angleImp->markRightAngle());
d.redrawScreen();
}
}
KIG_INSTANTIATE_OBJECT_TYPE_INSTANCE(HalfAngleType)
HalfAngleType::HalfAngleType()
: ArgsParserObjectType("HalfAngle", argsspecAngle, 3)
{
}
HalfAngleType::~HalfAngleType()
{
}
const HalfAngleType *HalfAngleType::instance()
{
static const HalfAngleType t;
return &t;
}
ObjectImp *HalfAngleType::calc(const Args &parents, const KigDocument &) const
{
if (!margsparser.checkArgs(parents, 2))
return new InvalidImp;
std::vector<Coordinate> points;
for (uint i = 0; i < parents.size(); ++i)
points.push_back(static_cast<const PointImp *>(parents[i])->coordinate());
Coordinate lvect = points[0] - points[1];
Coordinate rvect;
if (points.size() == 3)
rvect = points[2] - points[1];
else {
rvect = lvect.orthogonal();
}
double startangle = atan2(lvect.y, lvect.x);
double endangle = atan2(rvect.y, rvect.x);
double anglelength = endangle - startangle;
if (anglelength < 0)
anglelength += 2 * M_PI;
if (startangle < 0)
startangle += 2 * M_PI;
if (anglelength > M_PI) {
startangle += anglelength;
anglelength = 2 * M_PI - anglelength;
if (startangle > 2 * M_PI)
startangle -= 2 * M_PI;
if (anglelength < 0)
anglelength += 2 * M_PI;
}
return new AngleImp(points[1], startangle, anglelength, true);
}
const ObjectImpType *HalfAngleType::resultId() const
{
return AngleImp::stype();
}
|
