mirror of
https://github.com/lalbornoz/roar.git
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204 lines
9.2 KiB
Python
204 lines
9.2 KiB
Python
#!/usr/bin/env python3
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#
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# Canvas.py -- XXX
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# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
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#
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from CanvasBackend import CanvasBackend
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from CanvasJournal import CanvasJournal
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from CanvasExportStore import CanvasExportStore, haveToPngFile, haveUrllib
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from CanvasImportStore import CanvasImportStore
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from CanvasInterface import CanvasInterface
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from ImgurApiKey import ImgurApiKey
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import wx
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class Canvas(wx.Panel):
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"""XXX"""
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parentFrame = None
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defaultCanvasPos = defaultCanvasSize = defaultCellSize = None
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canvasMap = canvasPos = canvasSize = None
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brushColours = brushPos = brushSize = None
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canvasBackend = canvasJournal = None
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canvasExportStore = canvasImportStore = None
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canvasInterface = None
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imgurApiKey = ImgurApiKey.imgurApiKey
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# {{{ _commitPatch(self, patch): XXX
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def _commitPatch(self, patch):
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self.canvasMap[patch[1]][patch[0]] = patch[2:]
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# }}}
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# {{{ _dispatchDeltaPatches(self, deltaPatches): XXX
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def _dispatchDeltaPatches(self, deltaPatches):
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eventDc = self.canvasBackend.getDeviceContext(self)
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for patch in deltaPatches:
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if self.canvasBackend.drawPatch(eventDc, patch):
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self._commitPatch(patch)
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self.parentFrame.onCanvasUpdate(undoLevel=self.canvasJournal.patchesUndoLevel)
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# }}}
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# {{{ _dispatchPatch(self, eventDc, isCursor, patch): XXX
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def _dispatchPatch(self, eventDc, isCursor, patch):
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if not self._canvasDirtyCursor:
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self.canvasBackend.drawCursorMaskWithJournal( \
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self.canvasJournal, eventDc)
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self._canvasDirtyCursor = True
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if self.canvasBackend.drawPatch(eventDc, patch):
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patchDeltaCell = self.canvasMap[patch[1]][patch[0]]
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patchDelta = [*patch[0:2], *patchDeltaCell]
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if isCursor:
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self.canvasJournal.pushCursor(patchDelta)
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else:
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if not self._canvasDirty:
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self.canvasJournal.pushDeltas([], [])
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self._canvasDirty = True
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self.canvasJournal.updateCurrentDeltas(patchDelta, patch)
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self._commitPatch(patch)
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# }}}
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# {{{ onPanelClose(self, event): XXX
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def onPanelClose(self, event):
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self.Destroy()
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# }}}
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# {{{ onPanelEnterWindow(self, event): XXX
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def onPanelEnterWindow(self, event):
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self.parentFrame.SetFocus()
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# }}}
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# {{{ onPanelInput(self, event): XXX
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def onPanelInput(self, event):
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eventDc = self.canvasBackend.getDeviceContext(self)
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eventType = event.GetEventType()
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self._canvasDirty = self._canvasDirtyCursor = False
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tool = self.canvasInterface.canvasTool
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if eventType == wx.wxEVT_CHAR:
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mapPoint = self.brushPos
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doSkip = tool.onKeyboardEvent( \
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event, mapPoint, self.brushColours, self.brushSize, \
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chr(event.GetUnicodeKey()), self._dispatchPatch, eventDc)
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if doSkip:
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event.Skip(); return;
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else:
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mapPoint = self.canvasBackend.xlateEventPoint(event, eventDc)
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if mapPoint[0] >= self.canvasSize[0] \
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or mapPoint[1] >= self.canvasSize[1]:
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return
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self.brushPos = mapPoint
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tool.onMouseEvent( \
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event, mapPoint, self.brushColours, self.brushSize, \
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event.Dragging(), event.LeftIsDown(), event.RightIsDown(), \
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self._dispatchPatch, eventDc)
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if self._canvasDirty:
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self.parentFrame.onCanvasUpdate(cellPos=self.brushPos, \
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undoLevel=self.canvasJournal.patchesUndoLevel)
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if eventType == wx.wxEVT_MOTION:
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self.parentFrame.onCanvasUpdate(cellPos=mapPoint)
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# }}}
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# {{{ onPanelLeaveWindow(self, event): XXX
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def onPanelLeaveWindow(self, event):
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eventDc = self.canvasBackend.getDeviceContext(self)
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self.canvasBackend.drawCursorMaskWithJournal( \
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self.canvasJournal, eventDc)
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# }}}
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# {{{ onPanelPaint(self, event): XXX
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def onPanelPaint(self, event):
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self.canvasBackend.onPanelPaintEvent(self, event)
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# }}}
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# {{{ onStoreUpdate(self, newCanvasSize, newCanvas=None): XXX
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def onStoreUpdate(self, newCanvasSize, newCanvas=None):
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self.resize(newCanvasSize=newCanvasSize)
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eventDc = self.canvasBackend.getDeviceContext(self)
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for numRow in range(self.canvasSize[1]):
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for numCol in range(self.canvasSize[0]):
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if newCanvas != None \
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and numRow < len(newCanvas) \
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and numCol < len(newCanvas[numRow]):
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self._commitPatch([ \
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numCol, numRow, *newCanvas[numRow][numCol]])
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self.canvasBackend.drawPatch(eventDc, \
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[numCol, numRow, \
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*self.canvasMap[numRow][numCol]])
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wx.SafeYield()
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# }}}
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# {{{ resize(self, newCanvasSize): XXX
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def resize(self, newCanvasSize):
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if newCanvasSize != self.canvasSize:
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if self.canvasMap == None:
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self.canvasMap = []; oldCanvasSize = [0, 0];
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else:
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oldCanvasSize = self.canvasSize
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deltaCanvasSize = [b - a for a, b in zip(oldCanvasSize, newCanvasSize)]
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newWinSize = [a * b for a, b in zip(newCanvasSize, self.canvasBackend.cellSize)]
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self.SetMinSize(newWinSize)
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self.SetSize(wx.DefaultCoord, wx.DefaultCoord, *newWinSize)
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curWindow = self
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while curWindow != None:
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curWindow.Layout()
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curWindow = curWindow.GetParent()
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self.canvasBackend.resize(newCanvasSize, self.canvasBackend.cellSize)
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eventDc = self.canvasBackend.getDeviceContext(self)
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self.canvasJournal.resetCursor(); self.canvasJournal.resetUndo();
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if deltaCanvasSize[0] < 0:
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for numRow in range(oldCanvasSize[1]):
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del self.canvasMap[numRow][-1:(deltaCanvasSize[0]-1):-1]
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else:
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for numRow in range(oldCanvasSize[1]):
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self.canvasMap[numRow].extend( \
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[[1, 1, 0, " "]] * deltaCanvasSize[0])
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for numNewCol in range(oldCanvasSize[0], newCanvasSize[0]):
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self.canvasBackend.drawPatch( \
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eventDc, [numNewCol, numRow, \
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*self.canvasMap[numRow][-1]])
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if deltaCanvasSize[1] < 0:
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del self.canvasMap[-1:(deltaCanvasSize[1]-1):-1]
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else:
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for numNewRow in range(oldCanvasSize[1], newCanvasSize[1]):
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self.canvasMap.extend( \
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[[[1, 1, 0, " "]] * newCanvasSize[0]])
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for numNewCol in range(newCanvasSize[0]):
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self.canvasBackend.drawPatch( \
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eventDc, [numNewCol, numNewRow, \
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*self.canvasMap[-1][-1]])
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self.canvasSize = newCanvasSize
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wx.SafeYield()
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self.parentFrame.onCanvasUpdate(size=newCanvasSize, undoLevel=-1)
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# }}}
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# {{{ __del__(self): destructor method
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def __del__(self):
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if self.canvasMap != None:
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self.canvasMap.clear(); self.canvasMap = None;
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# }}}
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#
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# __init__(self, parent, parentFrame, defaultCanvasPos, defaultCanvasSize, defaultCellSize): initialisation method
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def __init__(self, parent, parentFrame, defaultCanvasPos, defaultCanvasSize, defaultCellSize):
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super().__init__(parent, pos=defaultCanvasPos, \
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size=[w * h for w, h in zip(defaultCanvasSize, defaultCellSize)])
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self.parentFrame = parentFrame
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self.canvasMap = None
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self.canvasPos = defaultCanvasPos; self.canvasSize = defaultCanvasSize;
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self.defaultCanvasPos = defaultCanvasPos; self.defaultCanvasSize = defaultCanvasSize;
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self.brushColours = [4, 1]; self.brushPos = [0, 0]; self.brushSize = [1, 1];
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self.parentFrame.onCanvasUpdate( \
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brushSize=self.brushSize, colours=self.brushColours)
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self.canvasBackend = CanvasBackend(defaultCanvasSize, defaultCellSize)
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self.canvasJournal = CanvasJournal()
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self.canvasExportStore = CanvasExportStore(parentCanvas=self)
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self.canvasImportStore = CanvasImportStore(parentCanvas=self)
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self.canvasInterface = CanvasInterface(self, parentFrame)
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# Bind event handlers
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self.Bind(wx.EVT_CLOSE, self.onPanelClose)
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self.Bind(wx.EVT_ENTER_WINDOW, self.onPanelEnterWindow)
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self.Bind(wx.EVT_LEAVE_WINDOW, self.onPanelLeaveWindow)
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self.parentFrame.Bind(wx.EVT_CHAR, self.onPanelInput)
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for eventType in( \
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wx.EVT_LEFT_DOWN, wx.EVT_MOTION, wx.EVT_RIGHT_DOWN):
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self.Bind(eventType, self.onPanelInput)
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self.Bind(wx.EVT_PAINT, self.onPanelPaint)
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# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
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