roar/libtools/ToolCircle.py

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