From 3c2c970a6b74594b274d27c26b81130840a91ef3 Mon Sep 17 00:00:00 2001
From: Luke Campagnola <ausqualius@yahoo.com>
Date: Thu, 28 Sep 2017 09:00:57 -0700
Subject: [PATCH] Remove spiral ROI

---
 pyqtgraph/graphicsItems/ROI.py | 76 +---------------------------------
 1 file changed, 2 insertions(+), 74 deletions(-)

diff --git a/pyqtgraph/graphicsItems/ROI.py b/pyqtgraph/graphicsItems/ROI.py
index 963ecb05..bc77e1c3 100644
--- a/pyqtgraph/graphicsItems/ROI.py
+++ b/pyqtgraph/graphicsItems/ROI.py
@@ -26,7 +26,8 @@ from .. import getConfigOption
 __all__ = [
     'ROI', 
     'TestROI', 'RectROI', 'EllipseROI', 'CircleROI', 'PolygonROI', 
-    'LineROI', 'MultiLineROI', 'MultiRectROI', 'LineSegmentROI', 'PolyLineROI', 'SpiralROI', 'CrosshairROI',
+    'LineROI', 'MultiLineROI', 'MultiRectROI', 'LineSegmentROI', 'PolyLineROI', 
+    'CrosshairROI',
 ]
 
 
@@ -2157,79 +2158,6 @@ class _PolyLineSegment(LineSegmentROI):
         return LineSegmentROI.hoverEvent(self, ev)
 
 
-class SpiralROI(ROI):
-    def __init__(self, pos=None, size=None, **args):
-        if size == None:
-            size = [100e-6,100e-6]
-        if pos == None:
-            pos = [0,0]
-        ROI.__init__(self, pos, size, **args)
-        self.translateSnap = False
-        self.addFreeHandle([0.25,0], name='a')
-        self.addRotateFreeHandle([1,0], [0,0], name='r')
-        #self.getRadius()
-        #QtCore.connect(self, QtCore.SIGNAL('regionChanged'), self.
-        
-        
-    def getRadius(self):
-        radius = Point(self.handles[1]['item'].pos()).length()
-        #r2 = radius[1]
-        #r3 = r2[0]
-        return radius
-    
-    def boundingRect(self):
-        r = self.getRadius()
-        return QtCore.QRectF(-r*1.1, -r*1.1, 2.2*r, 2.2*r)
-        #return self.bounds
-    
-    #def movePoint(self, *args, **kargs):
-        #ROI.movePoint(self, *args, **kargs)
-        #self.prepareGeometryChange()
-        #for h in self.handles:
-            #h['pos'] = h['item'].pos()/self.state['size'][0]
-            
-    def stateChanged(self, finish=True):
-        ROI.stateChanged(self, finish=finish)
-        if len(self.handles) > 1:
-            self.path = QtGui.QPainterPath()
-            h0 = Point(self.handles[0]['item'].pos()).length()
-            a = h0/(2.0*np.pi)
-            theta = 30.0*(2.0*np.pi)/360.0
-            self.path.moveTo(QtCore.QPointF(a*theta*cos(theta), a*theta*sin(theta)))
-            x0 = a*theta*cos(theta)
-            y0 = a*theta*sin(theta)
-            radius = self.getRadius()
-            theta += 20.0*(2.0*np.pi)/360.0
-            i = 0
-            while Point(x0, y0).length() < radius and i < 1000:
-                x1 = a*theta*cos(theta)
-                y1 = a*theta*sin(theta)
-                self.path.lineTo(QtCore.QPointF(x1,y1))
-                theta += 20.0*(2.0*np.pi)/360.0
-                x0 = x1
-                y0 = y1
-                i += 1
-           
-                
-            return self.path
-    
-        
-    def shape(self):
-        p = QtGui.QPainterPath()
-        p.addEllipse(self.boundingRect())
-        return p
-    
-    def paint(self, p, *args):
-        p.setRenderHint(QtGui.QPainter.Antialiasing)
-        #path = self.shape()
-        p.setPen(self.currentPen)
-        p.drawPath(self.path)
-        p.setPen(QtGui.QPen(QtGui.QColor(255,0,0)))
-        p.drawPath(self.shape())
-        p.setPen(QtGui.QPen(QtGui.QColor(0,0,255)))
-        p.drawRect(self.boundingRect())
-        
-    
 class CrosshairROI(ROI):
     """A crosshair ROI whose position is at the center of the crosshairs. By default, it is scalable, rotatable and translatable."""