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
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
|
#!/usr/bin/env python3
import PyQt5.QtCore as Qc
import PyQt5.QtGui as Qg
import xasy2asy as x2a
import PrimitiveShape
import math
import Widg_addPolyOpt
import Widg_addLabel
class InplaceObjProcess(Qc.QObject):
objectCreated = Qc.pyqtSignal(Qc.QObject)
objectUpdated = Qc.pyqtSignal()
def __init__(self, parent=None):
super().__init__(parent)
self._active = False
pass
@property
def active(self):
return self._active
def mouseDown(self, pos, info, mouseEvent: Qg.QMouseEvent=None):
raise NotImplementedError
def mouseMove(self, pos, event: Qg.QMouseEvent):
raise NotImplementedError
def mouseRelease(self):
raise NotImplementedError
def forceFinalize(self):
raise NotImplementedError
def getPreview(self):
return None
def getObject(self):
raise NotImplementedError
def getXasyObject(self):
raise NotImplementedError
def postDrawPreview(self, canvas: Qg.QPainter):
pass
def createOptWidget(self, info):
return None
class AddCircle(InplaceObjProcess):
def __init__(self, parent=None):
super().__init__(parent)
self.center = Qc.QPointF(0, 0)
self.radius = 0
def mouseDown(self, pos, info, mouseEvent: Qg.QMouseEvent=None):
x, y = PrimitiveShape.PrimitiveShape.pos_to_tuple(pos)
self.radius = 0
self.center.setX(x)
self.center.setY(y)
self.fill = info['fill']
self._active = True
def mouseMove(self, pos, event):
self.radius = PrimitiveShape.PrimitiveShape.euclideanNorm(pos, self.center)
def mouseRelease(self):
self.objectCreated.emit(self.getXasyObject())
self._active = False
def getPreview(self):
x, y = PrimitiveShape.PrimitiveShape.pos_to_tuple(self.center)
boundRect = Qc.QRectF(x - self.radius, y - self.radius, 2 * self.radius, 2 * self.radius)
# because the internal image is flipped...
newPath = Qg.QPainterPath()
newPath.addEllipse(boundRect)
# newPath.addRect(boundRect)
return newPath
def getObject(self):
return PrimitiveShape.PrimitiveShape.circle(self.center, self.radius)
def getXasyObject(self):
if self.fill:
newObj = x2a.xasyFilledShape(self.getObject(), None)
else:
newObj = x2a.xasyShape(self.getObject(), None)
return newObj
def forceFinalize(self):
self.mouseRelease()
class AddLabel(InplaceObjProcess):
def __init__(self, parent=None):
super().__init__(parent)
self.alignMode = None
self.opt = None
self.text = None
self.anchor = Qc.QPointF(0, 0)
self._active = False
def createOptWidget(self, info):
self.opt = Widg_addLabel.Widg_addLabel(info)
return self.opt
def getPreview(self):
return None
def mouseRelease(self):
self.objectCreated.emit(self.getXasyObject())
self._active = False
def mouseMove(self, pos, event):
x, y = PrimitiveShape.PrimitiveShape.pos_to_tuple(pos)
self.anchor.setX(x)
self.anchor.setY(y)
def mouseDown(self, pos, info, mouseEvent: Qg.QMouseEvent=None):
if self.opt is not None:
self.text = self.opt.labelText
x, y = PrimitiveShape.PrimitiveShape.pos_to_tuple(pos)
self.anchor.setX(x)
self.anchor.setY(y)
self.alignMode = info['align']
self.fontSize = info['fontSize']
self._active = True
def getObject(self):
finalTuple = PrimitiveShape.PrimitiveShape.pos_to_tuple(self.anchor)
return {'txt': self.text, 'align': str(self.alignMode), 'anchor': finalTuple}
def getXasyObject(self):
text = self.text
align = str(self.alignMode)
anchor = PrimitiveShape.PrimitiveShape.pos_to_tuple(self.anchor)
newLabel = x2a.xasyText(text=text, location=anchor, pen=None,
align=align, asyengine=None, fontsize=self.fontSize)
newLabel.asyfied = False
return newLabel
def forceFinalize(self):
self.mouseRelease()
class AddBezierShape(InplaceObjProcess):
def __init__(self, parent=None):
super().__init__(parent)
self.asyengine = None
self.basePath = None
self.basePathPreview = None
self.closedPath = None
self.info = None
self.fill = False
self.opt = None
# list of "committed" points with Linkage information.
# Linkmode should be to the last point.
# (x, y, linkmode), (u, v, lm2) <==> (x, y) <=lm2=> (u, v)
self.pointsList = []
self.currentPoint = Qc.QPointF(0, 0)
self.pendingPoint = None
self.useLegacy = False
def mouseDown(self, pos, info, mouseEvent: Qg.QMouseEvent=None):
x, y = PrimitiveShape.PrimitiveShape.pos_to_tuple(pos)
self.currentPoint.setX(x)
self.currentPoint.setY(y)
self.info = info
if not self._active:
self._active = True
self.fill = info['fill']
self.asyengine = info['asyengine']
self.closedPath = info['closedPath']
self.useBezierBase = info['useBezier']
self.useLegacy = self.info['options']['useLegacyDrawMode']
self.pointsList.clear()
self.pointsList.append((x, y, None))
else:
# see http://doc.qt.io/archives/qt-4.8/qt.html#MouseButton-enum
if (int(mouseEvent.buttons()) if mouseEvent is not None else 0) & 0x2 and self.useLegacy:
self.forceFinalize()
def _getLinkType(self):
if self.info['useBezier']:
return '..'
else:
return '--'
def mouseMove(self, pos, event):
# in postscript coords.
if self._active:
x, y = PrimitiveShape.PrimitiveShape.pos_to_tuple(pos)
if self.useLegacy or int(event.buttons()) != 0:
self.currentPoint.setX(x)
self.currentPoint.setY(y)
else:
self.forceFinalize()
def createOptWidget(self, info):
return None
# self.opt = Widg_addBezierInPlace.Widg_addBezierInplace(info)
# return self.opt
def finalizeClosure(self):
if self.active:
self.closedPath = True
self.forceFinalize()
def mouseRelease(self):
x, y = self.currentPoint.x(), self.currentPoint.y()
self.pointsList.append((x, y, self._getLinkType()))
# self.updateBasePath()
def updateBasePath(self):
self.basePath = x2a.asyPath(asyengine=self.asyengine, forceCurve=self.useBezierBase)
newNode = [(x, y) for x, y, _ in self.pointsList]
newLink = [lnk for *args, lnk in self.pointsList[1:]]
if self.useLegacy:
newNode += [(self.currentPoint.x(), self.currentPoint.y())]
newLink += [self._getLinkType()]
if self.closedPath:
newNode.append('cycle')
newLink.append(self._getLinkType())
self.basePath.initFromNodeList(newNode, newLink)
if self.useBezierBase:
self.basePath.computeControls()
def updateBasePathPreview(self):
self.basePathPreview = x2a.asyPath(
asyengine=self.asyengine, forceCurve=self.useBezierBase)
newNode = [(x, y) for x, y, _ in self.pointsList] + [(self.currentPoint.x(), self.currentPoint.y())]
newLink = [lnk for *args, lnk in self.pointsList[1:]] + [self._getLinkType()]
if self.closedPath:
newNode.append('cycle')
newLink.append(self._getLinkType())
self.basePathPreview.initFromNodeList(newNode, newLink)
if self.useBezierBase:
self.basePathPreview.computeControls()
def forceFinalize(self):
self.updateBasePath()
self._active = False
self.pointsList.clear()
self.objectCreated.emit(self.getXasyObject())
self.basePath = None
def getObject(self):
if self.basePath is None:
raise RuntimeError('BasePath is None')
self.basePath.asyengine = self.asyengine
return self.basePath
def getPreview(self):
if self._active:
if self.pointsList:
self.updateBasePathPreview()
newPath = self.basePathPreview.toQPainterPath()
return newPath
def getXasyObject(self):
if self.fill:
return x2a.xasyFilledShape(self.getObject(), None)
else:
return x2a.xasyShape(self.getObject(), None)
class AddPoly(InplaceObjProcess):
def __init__(self, parent=None):
super().__init__(parent)
self.center = Qc.QPointF(0, 0)
self.currPos = Qc.QPointF(0, 0)
self.sides = None
self.inscribed = None
self.centermode = None
self.asyengine = None
self.fill = None
self.opt = None
def mouseDown(self, pos, info, mouseEvent: Qg.QMouseEvent=None):
self._active = True
self.sides = info['sides']
self.inscribed = info['inscribed']
self.centermode = info['centermode']
self.fill = info['fill']
x, y = PrimitiveShape.PrimitiveShape.pos_to_tuple(pos)
self.center.setX(x)
self.center.setY(y)
self.currPos = Qc.QPointF(self.center)
def mouseMove(self, pos, event):
x, y = PrimitiveShape.PrimitiveShape.pos_to_tuple(pos)
self.currPos.setX(x)
self.currPos.setY(y)
def mouseRelease(self):
if self.active:
self.objectCreated.emit(self.getXasyObject())
self._active = False
def forceFinalize(self):
self.mouseRelease()
def getObject(self):
if self.inscribed:
return PrimitiveShape.PrimitiveShape.inscribedRegPolygon(self.sides, self.center, self._rad(),
self._angle())
else:
return PrimitiveShape.PrimitiveShape.exscribedRegPolygon(self.sides, self.center, self._rad(),
self._angle())
def getPreview(self):
if self.inscribed:
poly = PrimitiveShape.PrimitiveShape.inscribedRegPolygon(self.sides, self.center, self._rad(),
self._angle(), qpoly=True)
else:
poly = PrimitiveShape.PrimitiveShape.exscribedRegPolygon(self.sides, self.center, self._rad(),
self._angle(), qpoly=True)
newPath = Qg.QPainterPath()
newPath.addPolygon(poly)
return newPath
def createOptWidget(self, info):
self.opt = Widg_addPolyOpt.Widg_addPolyOpt(info)
return self.opt
def _rad(self):
return PrimitiveShape.PrimitiveShape.euclideanNorm(self.currPos, self.center)
def _angle(self):
dist_x = self.currPos.x() - self.center.x()
dist_y = self.currPos.y() - self.center.y()
if dist_x == 0 and dist_y == 0:
return 0
else:
return math.atan2(dist_y, dist_x)
def getXasyObject(self):
if self.fill:
newObj = x2a.xasyFilledShape(self.getObject(), None)
else:
newObj = x2a.xasyShape(self.getObject(), None)
return newObj
|
