roar/libtools/ToolCircle.py

40 lines
1.7 KiB
Python

#!/usr/bin/env python3
#
# ToolCircle.py
# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
#
from Tool import Tool
class ToolCircle(Tool):
name = "Circle"
#
# onMouseEvent(self, brushColours, brushSize, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
def onMouseEvent(self, brushColours, brushSize, canvas, dispatchFn, eventDc, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, viewRect):
brushColours, dirty = brushColours.copy(), False
if mouseLeftDown:
brushColours[1] = brushColours[0]
elif mouseRightDown:
brushColours[0] = brushColours[1]
else:
brushColours[1] = brushColours[0]
_brushSize = brushSize[0] * 2
originPoint, radius = (_brushSize / 2, _brushSize / 2), _brushSize
for brushY in range(-radius, radius + 1):
for brushX in range(-radius, radius + 1):
if ((brushX ** 2) + (brushY ** 2) < (((radius ** 2) + radius) * 0.8)):
patch = [ \
mapPoint[0] + int(originPoint[0] + brushX), \
mapPoint[1] + int(originPoint[1] + brushY), \
*brushColours, 0, " "]
if mouseLeftDown or mouseRightDown:
if not dirty:
dirty = True
dispatchFn(eventDc, False, patch, viewRect); dispatchFn(eventDc, True, patch, viewRect);
else:
dispatchFn(eventDc, True, patch, viewRect)
return True, dirty
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120