viewitems.py 9.3 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
# -*- coding: utf-8 -*-
"""
GEPARD - Gepard-Enabled PARticle Detection
Copyright (C) 2018  Lars Bittrich and Josef Brandt, Leibniz-Institut für 
Polymerforschung Dresden e. V. <bittrich-lars@ipfdd.de>    

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program, see COPYING.  
If not, see <https://www.gnu.org/licenses/>.
"""
JosefBrandt's avatar
 
JosefBrandt committed
21
#import numpy as np
22
from PyQt5 import QtCore, QtWidgets, QtGui
JosefBrandt's avatar
 
JosefBrandt committed
23
from analysis.particleeditor import ParticleContextMenu
24

JosefBrandt's avatar
 
JosefBrandt committed
25 26 27 28
class SegmentationContour(QtWidgets.QGraphicsItem):
    def __init__(self, parent, contourData, pos=(0,0)):
        super().__init__()
        self.parent = parent
29
        self.setZValue(1)
JosefBrandt's avatar
 
JosefBrandt committed
30 31
        self.setPos(pos[0], pos[1])
        self.setFlag(QtWidgets.QGraphicsItem.ItemIsSelectable)
JosefBrandt's avatar
 
JosefBrandt committed
32
        self.setAcceptedMouseButtons(QtCore.Qt.AllButtons)
JosefBrandt's avatar
 
JosefBrandt committed
33
        self.brect = QtCore.QRectF(0,0,1,1)
JosefBrandt's avatar
 
JosefBrandt committed
34
        
JosefBrandt's avatar
 
JosefBrandt committed
35 36
        self.contourData = contourData
        self.polygon = None
JosefBrandt's avatar
 
JosefBrandt committed
37 38 39 40
        
        self.hidden = False
        self.color = QtGui.QColor(50, 255, 50, 200)
        self.particleIndex = None
JosefBrandt's avatar
 
JosefBrandt committed
41 42
        self.isSelected = False
        self.getBrectAndPolygon()
JosefBrandt's avatar
 
JosefBrandt committed
43

JosefBrandt's avatar
 
JosefBrandt committed
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
    def getBrectAndPolygon(self):
        polygon = QtGui.QPolygonF()
        x0 = self.contourData[:,0,0].min()
        x1 = self.contourData[:,0,0].max()
        y0 = self.contourData[:,0,1].min()
        y1 = self.contourData[:,0,1].max()
        for point in self.contourData:
            polygon.append(QtCore.QPointF(point[0,0], point[0,1]))
        
        self.brect.setCoords(x0, y0, x1, y1)
        self.polygon = polygon
    
    def boundingRect(self):
        return self.brect
    
JosefBrandt's avatar
 
JosefBrandt committed
59 60 61 62 63 64 65 66 67
    def setIndex(self, index):
        self.particleIndex = index
    
    def setColor(self, color):
        self.color = color
        
    def setHidden(self, hidden):
        self.hidden = hidden
    
JosefBrandt's avatar
 
JosefBrandt committed
68
    def paint(self, painter, option, widget):                   
JosefBrandt's avatar
 
JosefBrandt committed
69
        if self.polygon is not None and not self.hidden:
JosefBrandt's avatar
 
JosefBrandt committed
70 71 72
            painter.setPen(QtCore.Qt.green)
            if self.isSelected:
                alpha = 200
JosefBrandt's avatar
 
JosefBrandt committed
73
                if not self.hidden:
JosefBrandt's avatar
 
JosefBrandt committed
74 75
                    painter.setBrush(QtGui.QColor(200, 200, 200, alpha))
                painter.setPen(QtCore.Qt.white)
JosefBrandt's avatar
 
JosefBrandt committed
76 77 78 79 80
            else:
                painter.setPen(QtGui.QColor(int(self.color.red()*0.7), int(self.color.green()*0.7), int(self.color.blue()*0.7), self.color.alpha()))
                if not self.hidden:
                    painter.setBrush(self.color)
                
JosefBrandt's avatar
 
JosefBrandt committed
81
            painter.drawPolygon(self.polygon)
82 83
    
    def contextMenuEvent(self, event):
JosefBrandt's avatar
 
JosefBrandt committed
84
        if self.isSelected:
JosefBrandt's avatar
 
JosefBrandt committed
85 86 87
            self.contextMenu = ParticleContextMenu(self.parent)
            self.parent.particleEditor.connectToSignals(self.contextMenu)
            self.contextMenu.executeAtScreenPos(event.screenPos())
88 89

    
90 91 92 93 94 95 96 97 98 99 100 101 102
class FitPosIndicator(QtWidgets.QGraphicsItem):
    indicatorSize = 80
    def __init__(self, number, pos=(0,0)):
        super().__init__()
        self.setPos(pos[0], pos[1])
        self.number = number
        self.setAcceptedMouseButtons(QtCore.Qt.NoButton)
    
    def boundingRect(self):
        return QtCore.QRectF(-self.indicatorSize-1,-self.indicatorSize-1,
                             2*self.indicatorSize+2,2*self.indicatorSize+2)
    
    def paint(self, painter, option, widget):
103 104 105 106 107 108 109 110 111
            painter.setPen(QtCore.Qt.green)
            painter.setBrush(QtGui.QColor(250,250,0,150))
            rect = QtCore.QRectF(-self.indicatorSize,-self.indicatorSize,
                                 2*self.indicatorSize,2*self.indicatorSize)
            font = painter.font()
            font.setPointSize(40)
            painter.setFont(font)
            painter.drawText(rect, QtCore.Qt.AlignCenter, str(self.number))
            painter.drawEllipse(rect)
112 113 114 115 116 117 118 119 120
        
    def shape(self):
        path = QtGui.QPainterPath()
        path.addEllipse(self.boundingRect())
        return path

class RamanScanIndicator(QtWidgets.QGraphicsItem):
    def __init__(self, view, number, radius, pos=(0,0)):
        super().__init__()
121 122
#        self.setFlag(QtWidgets.QGraphicsItem.ItemIsSelectable)
        self.setAcceptedMouseButtons(QtCore.Qt.NoButton)
123
        self.setZValue(100)   #higher numbers will be in foreground. Shall always be in foreground!
124 125 126 127
        self.view = view
        self.number = number
        self.radius = radius
        self.highlight = False
128
        self.hidden = False
129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145
        self.setPos(pos[0], pos[1])
        
    def setHighLight(self, highlight):
        if highlight!=self.highlight:
            self.highlight = highlight
            self.update()
    
    def boundingRect(self):
        return QtCore.QRectF(-self.radius-1,-self.radius-1,
                             2*self.radius+2,2*self.radius+2)
        
    def shape(self):
        path = QtGui.QPainterPath()
        path.addEllipse(self.boundingRect())
        return path
    
    def paint(self, painter, option, widget):
146 147 148 149 150 151 152 153 154 155 156 157 158
        if not self.hidden:
            if self.highlight:
                painter.setPen(QtCore.Qt.red)
                painter.setBrush(QtGui.QColor(100,250,100,150))
            else:
                painter.setPen(QtCore.Qt.green)
                painter.setBrush(QtGui.QColor(50,50,250,150))
            rect = QtCore.QRectF(-self.radius, -self.radius, 2*self.radius, 2*self.radius)
            painter.drawEllipse(rect)
            font = painter.font()
            font.setPointSize(10)
            painter.setFont(font)
            painter.drawText(rect, QtCore.Qt.AlignCenter, str(self.number))
159
        
160 161 162 163 164 165 166
#    def mousePressEvent(self, event):
#        p = event.pos()
#        x, y = p.x(), p.y()
#        r = np.sqrt(x**2+y**2)
#        if r<self.radius:
#            self.view.selectRamanScanPoint(self.number, r)
#        super().mouseReleaseEvent(event)
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

    
class ScanIndicator(QtWidgets.QGraphicsItem):
    def __init__(self, number, wx, wy, pos=(0,0)):
        super().__init__()
        self.number = number
        self.wx = wx
        self.wy = wy
        self.setPos(pos[0], pos[1])
        self.setAcceptedMouseButtons(QtCore.Qt.NoButton)
    
    def boundingRect(self):
        return QtCore.QRectF(-self.wx/2-1,-self.wy/2-1,
                             self.wx+2,self.wy+2)
    
    def paint(self, painter, option, widget):
        painter.setPen(QtCore.Qt.blue)
        painter.setBrush(QtGui.QColor(0,0,250,80))
        rect = QtCore.QRectF(-self.wx/2, -self.wy/2, self.wx, self.wy)
        font = painter.font()
        font.setPointSize(40)
        painter.setFont(font)
        painter.drawText(rect, QtCore.Qt.AlignCenter, str(self.number))
        painter.drawRect(rect)
            
class Edge(QtWidgets.QGraphicsItem):
    
    def __init__(self, n1, n2):
        self.n1 = n1
        self.n2 = n2
        super().__init__()
        self.setPos(0, 0)
        n1.edges.append(self)
        n2.edges.append(self)
        self.setAcceptedMouseButtons(QtCore.Qt.NoButton)
    
    def boundingRect(self):
        return QtCore.QRectF(self.n1.pos(), self.n2.pos()).normalized().adjusted(-1,-1,1,1)
    
    def paint(self, painter, option, widget):
        painter.setPen(QtCore.Qt.green)
        painter.drawLine(self.n1.pos(), self.n2.pos()) 

class Node(QtWidgets.QGraphicsItem):
    def __init__(self, point, view):
        self.view = view
        self.point = point
        self.edges = []
        self.rectSize = 60
        super().__init__()
        self.setPos(self.point[0], self.point[1])
218
        self.rectSize = 2*self.rectSize                #<--- why that? Why not set it to 120 right in the first place??
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
        self.setFlag(QtWidgets.QGraphicsItem.ItemIsMovable)
        self.setFlag(QtWidgets.QGraphicsItem.ItemSendsGeometryChanges)
        self.setCacheMode(QtWidgets.QGraphicsItem.DeviceCoordinateCache)
        self.poschanged = False
        
    def boundingRect(self):
        return QtCore.QRectF(-self.rectSize-1,-self.rectSize-1,2*self.rectSize+2,2*self.rectSize+2)
        
    def shape(self):
        path = QtGui.QPainterPath()
        path.addEllipse(self.boundingRect())
        return path
    
    def paint(self, painter, option, widget):
        painter.setBrush(QtGui.QColor(255,0,0,80))
        painter.setPen(QtCore.Qt.red)
        painter.drawLine(0,-self.rectSize/2.,0,self.rectSize/2)
        painter.drawLine(-self.rectSize/2.,0,self.rectSize/2,0)
        rect = QtCore.QRectF(-self.rectSize,-self.rectSize,2*self.rectSize,2*self.rectSize)
        painter.drawEllipse(rect)        

    def itemChange(self, change, value):
        if change == QtWidgets.QGraphicsItem.ItemPositionHasChanged:
            for edge in self.edges:
                edge.prepareGeometryChange()
            self.poschanged = True

        return super(Node, self).itemChange(change, value)

    def mousePressEvent(self, event):
        self.poschanged = False
        super().mousePressEvent(event)

    def mouseReleaseEvent(self, event):
        if self.poschanged:
            self.view.resetScanPositions()
        super().mouseReleaseEvent(event)