#!/usr/bin/env python3 # # ToolObject.py # Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz # from Tool import Tool import wx class ToolObject(Tool): name = "Object" TS_NONE = 0 TS_ORIGIN = 1 TS_SELECT = 2 TS_TARGET = 3 def _dispatchSelectEvent(self, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseLeftDown, selectRect): if mouseLeftDown: disp, isCursor = [mapPoint[m] - self.lastAtPoint[m] for m in [0, 1]], True newTargetRect = [[selectRect[n][m] + disp[m] for m in [0, 1]] for n in [0, 1]] self.lastAtPoint = list(mapPoint) else: disp, isCursor, newTargetRect = [0, 0], True, selectRect.copy() dirty = self.onSelectEvent(canvas, disp, dispatchFn, eventDc, isCursor, keyModifiers, newTargetRect, selectRect) self._drawSelectRect(newTargetRect, dispatchFn, eventDc) self.targetRect = newTargetRect return dirty def _drawSelectRect(self, rect, dispatchFn, eventDc): rectFrame = [[rect[m][n] for n in [0, 1]] for m in (0, 1)] if rectFrame[0][0] > rectFrame[1][0]: rectFrame[0][0], rectFrame[1][0] = rectFrame[1][0], rectFrame[0][0] if rectFrame[0][1] > rectFrame[1][1]: rectFrame[0][1], rectFrame[1][1] = rectFrame[1][1], rectFrame[0][1] curColours, rectFrame = [0, 0], [[rectFrame[m[0]][n] + m[1] for n in [0, 1]] for m in [[0, -1], [1, +1]]] for rectX in range(rectFrame[0][0], rectFrame[1][0] + 1): curColours = [1, 1] if curColours == [0, 0] else [0, 0] dispatchFn(eventDc, True, [rectX, rectFrame[0][1], *curColours, 0, " "]) dispatchFn(eventDc, True, [rectX, rectFrame[1][1], *curColours, 0, " "]) for rectY in range(rectFrame[0][1], rectFrame[1][1] + 1): curColours = [1, 1] if curColours == [0, 0] else [0, 0] dispatchFn(eventDc, True, [rectFrame[0][0], rectY, *curColours, 0, " "]) dispatchFn(eventDc, True, [rectFrame[1][0], rectY, *curColours, 0, " "]) def _mouseEventTsNone(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown): self.substract = False if self.external: dispatchFn(eventDc, True, [*mapPoint, *brushColours, 0, " "]) else: if mouseLeftDown: self.targetRect, self.toolState = [list(mapPoint), []], self.TS_ORIGIN else: dispatchFn(eventDc, True, [*mapPoint, *brushColours, 0, " "]) return False def _mouseEventTsOrigin(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown): self.targetRect[1] = list(mapPoint) if not mouseLeftDown: if self.targetRect[0][0] > self.targetRect[1][0]: self.targetRect[0][0], self.targetRect[1][0] = self.targetRect[1][0], self.targetRect[0][0] if self.targetRect[0][1] > self.targetRect[1][1]: self.targetRect[0][1], self.targetRect[1][1] = self.targetRect[1][1], self.targetRect[0][1] self.lastAtPoint, self.srcRect, self.objectMap, self.toolState = list(mapPoint), self.targetRect, [], self.TS_SELECT for numRow in range((self.targetRect[1][1] - self.targetRect[0][1]) + 1): self.objectMap.append([]) for numCol in range((self.targetRect[1][0] - self.targetRect[0][0]) + 1): rectX, rectY = self.targetRect[0][0] + numCol, self.targetRect[0][1] + numRow self.objectMap[numRow].append(canvas.map[rectY][rectX]) self._drawSelectRect(self.targetRect, dispatchFn, eventDc) else: self._drawSelectRect(self.targetRect, dispatchFn, eventDc) return False def _mouseEventTsSelect(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown): dirty = False if mouseLeftDown: if (mapPoint[0] >= (self.targetRect[0][0] - 1)) \ and (mapPoint[0] <= (self.targetRect[1][0] + 1)) \ and (mapPoint[1] >= (self.targetRect[0][1] - 1)) \ and (mapPoint[1] <= (self.targetRect[1][1] + 1)): self.lastAtPoint, self.toolState = list(mapPoint), self.TS_TARGET else: dirty = self.onSelectEvent(canvas, (0, 0), dispatchFn, eventDc, False, keyModifiers, self.targetRect.copy(), self.targetRect) self._drawSelectRect(self.targetRect, dispatchFn, eventDc) self.objectMap, self.objectSize, self.targetRect, self.toolState = None, None, None, self.TS_NONE else: dirty = self._dispatchSelectEvent(canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseLeftDown, self.targetRect) return dirty def _mouseEventTsTarget(self, brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown): if (keyModifiers == wx.MOD_CONTROL) and (self.srcRect == self.targetRect): self.substract = True dirty = False if mouseLeftDown: dirty = self._dispatchSelectEvent(canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseLeftDown, self.targetRect) else: self.toolState = self.TS_SELECT return dirty def getRegion(self, canvas): return self.objectMap def onMouseEvent(self, atPoint, brushColours, brushPos, brushSize, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown): dirty = False if self.toolState == self.TS_NONE: dirty = self._mouseEventTsNone(brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown) elif self.toolState == self.TS_SELECT: dirty = self._mouseEventTsSelect(brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown) elif self.toolState == self.TS_ORIGIN: dirty = self._mouseEventTsOrigin(brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown) elif self.toolState == self.TS_TARGET: dirty = self._mouseEventTsTarget(brushColours, canvas, dispatchFn, eventDc, keyModifiers, mapPoint, mouseDragging, mouseLeftDown) else: return False, dirty return True, dirty def onSelectEvent(self, canvas, disp, dispatchFn, eventDc, isCursor, keyModifiers, newTargetRect, selectRect): dirty = False if self.external: for numRow in range(len(self.objectMap)): for numCol in range(len(self.objectMap[numRow])): rectX, rectY = selectRect[0][0] + numCol, selectRect[0][1] + numRow dirty = False if isCursor else True cellNew = self.objectMap[numRow][numCol] if (cellNew[1] == -1) and (cellNew[3] == " "): if ((rectY + disp[1]) < canvas.size[1]) and ((rectX + disp[0]) < canvas.size[0]): cellNew = canvas.map[rectY + disp[1]][rectX + disp[0]] dispatchFn(eventDc, isCursor, [rectX + disp[0], rectY + disp[1], *cellNew]) else: if self.substract: for numRow in range(self.srcRect[0][1], self.srcRect[1][1]): for numCol in range(self.srcRect[0][0], self.srcRect[1][0]): if ((numCol < selectRect[0][0]) or (numCol > selectRect[1][0])) \ or ((numRow < selectRect[0][1]) or (numRow > selectRect[1][1])): dirty = False if isCursor else True dispatchFn(eventDc, isCursor, [numCol, numRow, 1, 1, 0, " "]) for numRow in range(len(self.objectMap)): for numCol in range(len(self.objectMap[numRow])): cellOld = self.objectMap[numRow][numCol] rectX, rectY = selectRect[0][0] + numCol, selectRect[0][1] + numRow dirty = False if isCursor else True cellNew = self.objectMap[numRow][numCol] if (cellNew[1] == -1) and (cellNew[3] == " "): if ((rectY + disp[1]) < canvas.size[1]) and ((rectX + disp[0]) < canvas.size[0]): cellNew = canvas.map[rectY + disp[1]][rectX + disp[0]] dispatchFn(eventDc, isCursor, [rectX + disp[0], rectY + disp[1], *cellNew]) return dirty def setRegion(self, canvas, mapPoint, objectMap, objectSize, external=True): self.external, self.toolState = external, self.TS_SELECT if mapPoint != None: self.lastAtPoint = list(mapPoint) if self.targetRect == None: self.targetRect = [list(self.lastAtPoint), [(a + b) - (0 if a == b else 1) for a, b in zip(self.lastAtPoint, objectSize)]] elif self.objectSize != objectSize: if self.objectSize == None: self.objectSize = objectSize self.targetRect[1] = [t + d for t, d in zip(self.targetRect[1], (b - a for a, b in zip(self.objectSize, objectSize)))] if self.srcRect == None: self.srcRect = self.targetRect self.objectMap, self.objectSize = objectMap, objectSize # __init__(self, *args): initialisation method def __init__(self, *args): super().__init__(*args) self.external, self.lastAtPoint, self.srcRect, self.substract, \ self.targetRect, self.objectMap, self.objectSize, self.toolState = \ False, None, None, False, None, [], None, self.TS_NONE # vim:expandtab foldmethod=marker sw=4 ts=4 tw=120