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238 lines
10 KiB
Python
238 lines
10 KiB
Python
#!/usr/bin/env python3
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#
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# MiRCARTCanvas.py -- XXX
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# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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from MiRCARTCanvasJournal import MiRCARTCanvasJournal
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from MiRCARTCanvasStore import MiRCARTCanvasStore, haveMiRCARTToPngFile, haveUrllib
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from MiRCARTColours import MiRCARTColours
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import wx
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class MiRCARTCanvas(wx.Panel):
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"""XXX"""
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parentFrame = None
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canvasPos = canvasSize = canvasWinSize = cellSize = None
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canvasBitmap = canvasMap = None
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brushColours = brushPos = brushSize = None
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mircBrushes = mircPens = None
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canvasJournal = canvasStore = None
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canvasCurTool = None
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# {{{ _initBrushesAndPens(self): XXX
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def _initBrushesAndPens(self):
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self.mircBrushes = [None for x in range(len(MiRCARTColours))]
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self.mircPens = [None for x in range(len(MiRCARTColours))]
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for mircColour in range(len(MiRCARTColours)):
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self.mircBrushes[mircColour] = wx.Brush( \
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wx.Colour(MiRCARTColours[mircColour][0:4]), wx.BRUSHSTYLE_SOLID)
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self.mircPens[mircColour] = wx.Pen( \
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wx.Colour(MiRCARTColours[mircColour][0:4]), 1)
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# }}}
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# {{{ _drawPatch(self, patch, eventDc, tmpDc, atPoint): XXX
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def _drawPatch(self, patch, eventDc, tmpDc, atPoint):
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absPoint = self._relMapPointToAbsPoint(patch[0], atPoint)
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if patch[3] == " ":
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brushFg = self.mircBrushes[patch[1][1]]
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brushBg = self.mircBrushes[patch[1][0]]
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pen = self.mircPens[patch[1][1]]
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else:
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brushFg = self.mircBrushes[patch[1][0]]
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brushBg = self.mircBrushes[patch[1][1]]
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pen = self.mircPens[patch[1][0]]
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for dc in (eventDc, tmpDc):
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dc.SetBrush(brushFg); dc.SetBackground(brushBg); dc.SetPen(pen);
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dc.DrawRectangle(*absPoint, *self.cellSize)
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# }}}
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# {{{ _eventPointToMapPoint(self, eventPoint): XXX
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def _eventPointToMapPoint(self, eventPoint):
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rectX = eventPoint.x - (eventPoint.x % self.cellSize[0])
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rectY = eventPoint.y - (eventPoint.y % self.cellSize[1])
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mapX = int(rectX / self.cellSize[0] if rectX else 0)
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mapY = int(rectY / self.cellSize[1] if rectY else 0)
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return (mapX, mapY)
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# }}}
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# {{{ _getMapCell(self, absMapPoint): XXX
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def _getMapCell(self, absMapPoint):
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return self.canvasMap[absMapPoint[1]][absMapPoint[0]]
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# }}}
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# {{{ _relMapPointToAbsPoint(self, relMapPoint, atPoint): XXX
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def _relMapPointToAbsPoint(self, relMapPoint, atPoint):
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return [(a+b)*c for a,b,c in zip(atPoint, relMapPoint, self.cellSize)]
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# }}}
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# {{{ _setMapCell(self, absMapPoint, colours, charAttrs, char): XXX
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def _setMapCell(self, absMapPoint, colours, charAttrs, char):
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self.canvasMap[absMapPoint[1]][absMapPoint[0]] = [colours, charAttrs, char]
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# }}}
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# {{{ onClose(self, event): XXX
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def onClose(self, event):
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self.Destroy(); self.__del__();
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# }}}
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# {{{ onJournalUpdate(self, isTmp, absMapPoint, patch, eventDc, tmpDc, atPoint):
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def onJournalUpdate(self, isTmp, absMapPoint, patch, eventDc, tmpDc, atPoint, isInherit=False):
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if eventDc == None:
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eventDc = wx.ClientDC(self); tmpDc = wx.MemoryDC();
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if tmpDc == None:
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tmpDc.SelectObject(self.canvasBitmap)
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if isTmp == True:
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if isInherit:
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patch[1:] = self._getMapCell(patch[0])
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self._drawPatch(patch, eventDc, tmpDc, atPoint)
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else:
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if isInherit:
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patchOld = patch.copy()
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patchOld[1:] = self._getMapCell(patchOld[0])
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self._setMapCell(absMapPoint, *patch[1:])
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self._drawPatch(patch, eventDc, tmpDc, atPoint)
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if isInherit:
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return patchOld
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# }}}
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# {{{ onMouseEvent(self, event): XXX
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def onMouseEvent(self, event):
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eventObject = event.GetEventObject()
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eventDc = wx.ClientDC(self); tmpDc = wx.MemoryDC();
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tmpDc.SelectObject(self.canvasBitmap)
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eventPoint = event.GetLogicalPosition(eventDc)
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mapPoint = self._eventPointToMapPoint(eventPoint)
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tool = self.canvasCurTool
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mapPatches = 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.canvasJournal.merge(mapPatches, eventDc, tmpDc, mapPoint)
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self.parentFrame.onCanvasUpdate()
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self.parentFrame.onCanvasMotion(event, mapPoint)
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# }}}
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# {{{ onMouseWindowEvent(self, event): XXX
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def onMouseWindowEvent(self, event):
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eventObject = event.GetEventObject()
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eventDc = wx.ClientDC(self); tmpDc = wx.MemoryDC();
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tmpDc.SelectObject(self.canvasBitmap)
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self.canvasJournal.resetCursor(eventDc, tmpDc)
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self.parentFrame.onCanvasMotion(event)
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# }}}
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# {{{ onPaint(self, event): XXX
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def onPaint(self, event):
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eventDc = wx.BufferedPaintDC(self, self.canvasBitmap)
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# }}}
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# {{{ onStoreUpdate(self, newCanvasSize, newCanvas=None):
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def onStoreUpdate(self, newCanvasSize, newCanvas=None):
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if newCanvasSize != None:
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self.resize(newCanvasSize)
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self.canvasJournal.reset()
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if newCanvas != None:
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self.canvasMap = newCanvas.copy()
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for numRow in range(self.canvasSize[1]):
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numRowCols = len(self.canvasMap[numRow])
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if numRowCols < self.canvasSize[0]:
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colsDelta = self.canvasSize[0] - numRowCols
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self.canvasMap[numRow][self.canvasSize[0]:] = \
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[[(1, 1), 0, " "] for y in range(colsDelta)]
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else:
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del self.canvasMap[numRow][self.canvasSize[0]:]
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else:
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self.canvasMap = [[[(1, 1), 0, " "] \
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for x in range(self.canvasSize[0])] \
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for y in range(self.canvasSize[1])]
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canvasWinSize = [a*b for a,b in zip(self.canvasSize, self.cellSize)]
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if self.canvasBitmap != None:
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self.canvasBitmap.Destroy()
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self.canvasBitmap = wx.Bitmap(canvasWinSize)
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eventDc = wx.ClientDC(self); tmpDc = wx.MemoryDC();
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tmpDc.SelectObject(self.canvasBitmap)
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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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self.onJournalUpdate(False, \
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(numCol, numRow), \
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[(numCol, numRow), \
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*self.canvasMap[numRow][numCol]], \
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eventDc, tmpDc, (0, 0))
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wx.SafeYield()
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# }}}
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# {{{ redo(self): XXX
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def redo(self):
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result = self.canvasJournal.redo()
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self.parentFrame.onCanvasUpdate()
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return result
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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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self.SetSize(*self.canvasPos, \
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newCanvasSize[0] * self.cellSize[0], \
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newCanvasSize[1] * self.cellSize[1])
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for numRow in range(self.canvasSize[1]):
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for numNewCol in range(self.canvasSize[0], newCanvasSize[0]):
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self.canvasMap[numRow].append([1, 1, " "])
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for numNewRow in range(self.canvasSize[1], newCanvasSize[1]):
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self.canvasMap.append([])
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for numNewCol in range(newCanvasSize[0]):
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self.canvasMap[numNewRow].append([1, 1, " "])
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self.canvasSize = newCanvasSize
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canvasWinSize = ( \
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self.cellSize[0] * self.canvasSize[0], \
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self.cellSize[1] * self.canvasSize[1])
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self.canvasBitmap = wx.Bitmap(canvasWinSize)
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# }}}
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# {{{ undo(self): XXX
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def undo(self):
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result = self.canvasJournal.undo()
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self.parentFrame.onCanvasUpdate()
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return result
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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.canvasBitmap != None:
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self.canvasBitmap.Destroy(); self.canvasBitmap = None;
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for brush in self.mircBrushes or []:
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brush.Destroy()
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self.mircBrushes = None
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for pen in self.mircPens or []:
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pen.Destroy()
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self.mircPens = None
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# }}}
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#
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# _init__(self, parent, parentFrame, canvasPos, canvasSize, cellSize): initialisation method
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def __init__(self, parent, parentFrame, canvasPos, canvasSize, cellSize):
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self.parentFrame = parentFrame
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self.canvasPos = canvasPos; self.canvasSize = canvasSize;
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self.cellSize = cellSize
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self.brushColours = [4, 1]; self._initBrushesAndPens();
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self.brushPos = [0, 0]; self.brushSize = [1, 1];
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self.canvasJournal = MiRCARTCanvasJournal(parentCanvas=self)
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self.canvasStore = MiRCARTCanvasStore(parentCanvas=self)
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self.canvasCurTool = None
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super().__init__(parent, pos=canvasPos, \
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size=[w*h for w,h in zip(canvasSize, cellSize)])
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self.Bind(wx.EVT_CLOSE, self.onClose)
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self.Bind(wx.EVT_ENTER_WINDOW, self.onMouseWindowEvent)
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self.Bind(wx.EVT_LEAVE_WINDOW, self.onMouseWindowEvent)
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self.Bind(wx.EVT_LEFT_DOWN, self.onMouseEvent)
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self.Bind(wx.EVT_MOTION, self.onMouseEvent)
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self.Bind(wx.EVT_PAINT, self.onPaint)
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self.Bind(wx.EVT_RIGHT_DOWN, self.onMouseEvent)
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# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
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