mirror of
https://github.com/lalbornoz/roar.git
synced 2024-11-22 23:36:36 +00:00
76 lines
3.6 KiB
Python
76 lines
3.6 KiB
Python
#!/usr/bin/env python3
|
|
#
|
|
# ToolLine.py
|
|
# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
|
|
#
|
|
|
|
from Tool import Tool
|
|
|
|
class ToolLine(Tool):
|
|
name = "Line"
|
|
TS_NONE = 0
|
|
TS_ORIGIN = 1
|
|
|
|
def _getLine(self, brushColours, brushSize, isCursor, originPoint, targetPoint):
|
|
originPoint, patches, targetPoint = originPoint.copy(), [], targetPoint.copy()
|
|
pointDelta = self._pointDelta(originPoint, targetPoint)
|
|
lineXSign = 1 if pointDelta[0] > 0 else -1; lineYSign = 1 if pointDelta[1] > 0 else -1;
|
|
pointDelta = [abs(a) for a in pointDelta]
|
|
if pointDelta[0] > pointDelta[1]:
|
|
lineXX, lineXY, lineYX, lineYY = lineXSign, 0, 0, lineYSign
|
|
else:
|
|
lineXX, lineXY, lineYX, lineYY = 0, lineYSign, lineXSign, 0
|
|
pointDelta = [pointDelta[1], pointDelta[0]]
|
|
lineD = 2 * pointDelta[1] - pointDelta[0]; lineY = 0;
|
|
pointsDone = []
|
|
for lineX in range(pointDelta[0] + 1):
|
|
for brushStep in range(brushSize[0]):
|
|
if not ([originPoint[0] + lineX * lineXX + lineY * lineYX + brushStep, originPoint[1] + lineX * lineXY + lineY * lineYY] in pointsDone):
|
|
patches += [[ \
|
|
originPoint[0] + lineX * lineXX + lineY * lineYX + brushStep, \
|
|
originPoint[1] + lineX * lineXY + lineY * lineYY, \
|
|
*brushColours, 0, " "]]
|
|
pointsDone += [[originPoint[0] + lineX * lineXX + lineY * lineYX + brushStep, originPoint[1] + lineX * lineXY + lineY * lineYY]]
|
|
if lineD > 0:
|
|
lineD -= pointDelta[0]; lineY += 1;
|
|
lineD += pointDelta[1]
|
|
return patches
|
|
|
|
def _pointDelta(self, a, b):
|
|
return [a2 - a1 for a1, a2 in zip(a, b)]
|
|
|
|
def _pointSwap(self, a, b):
|
|
return [b, a]
|
|
|
|
def onMouseEvent(self, atPoint, brushColours, brushPos, brushSize, canvas, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown):
|
|
brushColours, isCursor, patches, rc = brushColours.copy(), not (mouseLeftDown or mouseRightDown), [], False
|
|
if mouseLeftDown:
|
|
brushColours[1] = brushColours[0]
|
|
elif mouseRightDown:
|
|
brushColours[0] = brushColours[1]
|
|
else:
|
|
brushColours[1] = brushColours[0]
|
|
if self.toolState == self.TS_NONE:
|
|
if mouseLeftDown or mouseRightDown:
|
|
self.toolOriginPoint, self.toolState = list(mapPoint), self.TS_ORIGIN
|
|
isCursor, patches, rc = True, [], True
|
|
for brushCol in range(brushSize[0]):
|
|
if ((mapPoint[0] + brushCol) < canvas.size[0]) \
|
|
and (mapPoint[1] < canvas.size[1]):
|
|
patches += [[mapPoint[0] + brushCol, mapPoint[1], *brushColours, 0, " "]]
|
|
elif self.toolState == self.TS_ORIGIN:
|
|
originPoint, targetPoint = self.toolOriginPoint, list(mapPoint)
|
|
if mouseLeftDown or mouseRightDown:
|
|
patches = self._getLine(brushColours, brushSize, False, originPoint, targetPoint)
|
|
self.toolOriginPoint, self.toolState = None, self.TS_NONE
|
|
else:
|
|
patches = self._getLine(brushColours, brushSize, True, originPoint, targetPoint)
|
|
rc = True
|
|
return rc, patches if not isCursor else None, patches if isCursor else None
|
|
|
|
def __init__(self, *args):
|
|
super().__init__(*args)
|
|
self.toolOriginPoint, self.toolState = None, self.TS_NONE
|
|
|
|
# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
|