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25c9e88484
libroar/RoarCanvasWindow.py:{onMouseWheel,__init__}(): {de,in}crease cell size w/ <Ctrl> <Mouse Wheel>.
assets/text/TODO: updated.
192 lines
11 KiB
Python
192 lines
11 KiB
Python
#!/usr/bin/env python3
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#
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# RoarCanvasWindow.py
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# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
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#
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from GuiWindow import GuiWindow
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from ToolObject import ToolObject
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import json, wx, sys
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import time
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class RoarCanvasWindowDropTarget(wx.TextDropTarget):
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# {{{ OnDropText(self, x, y, data)
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def OnDropText(self, x, y, data):
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rc = False
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try:
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dropMap, dropSize = json.loads(data)
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viewRect = self.parent.GetViewStart()
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rectX, rectY = x - (x % self.parent.backend.cellSize[0]), y - (y % self.parent.backend.cellSize[1])
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mapX, mapY = int(rectX / self.parent.backend.cellSize[0] if rectX else 0), int(rectY / self.parent.backend.cellSize[1] if rectY else 0)
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mapPoint = [m + n for m, n in zip((mapX, mapY), viewRect)]
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self.parent.commands.lastTool, self.parent.commands.currentTool = self.parent.commands.currentTool, ToolObject(self.parent.canvas, mapPoint, dropMap, dropSize)
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self.parent.commands.update(toolName=self.parent.commands.currentTool.name)
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eventDc = self.parent.backend.getDeviceContext(self.parent.GetClientSize(), self.parent, viewRect)
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self.parent.applyTool(eventDc, True, None, None, self.parent.brushPos, False, False, False, self.parent.commands.currentTool, viewRect)
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rc = True
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except:
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with wx.MessageDialog(self.parent, "Error: {}".format(sys.exc_info()[1]), "", wx.OK | wx.OK_DEFAULT) as dialog:
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dialogChoice = dialog.ShowModal()
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return rc
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# }}}
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# {{{ __init__(self, parent)
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def __init__(self, parent):
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super().__init__(); self.parent = parent;
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# }}}
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class RoarCanvasWindow(GuiWindow):
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# {{{ _drawPatch(self, eventDc, isCursor, patch, viewRect)
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def _drawPatch(self, eventDc, isCursor, patch, viewRect):
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if not self.canvas.dirtyCursor:
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self.backend.drawCursorMaskWithJournal(self.canvas.journal, eventDc, viewRect)
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self.canvas.dirtyCursor = True
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if self.backend.drawPatch(eventDc, patch, viewRect) and isCursor:
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patchDeltaCell = self.canvas.map[patch[1]][patch[0]]; patchDelta = [*patch[0:2], *patchDeltaCell];
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self.canvas.journal.pushCursor(patchDelta)
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# }}}
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# {{{ applyTool(self, eventDc, eventMouse, keyChar, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, tool, viewRect)
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def applyTool(self, eventDc, eventMouse, keyChar, keyModifiers, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, tool, viewRect):
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if mapPoint != None:
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mapPoint = [a + b for a, b in zip(mapPoint, viewRect)]
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dirty, self.canvas.dirtyCursor, rc = False, False, False
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self.canvas.journal.begin()
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if eventMouse:
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if ((mapPoint[0] < self.canvas.size[0]) \
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and (mapPoint[1] < self.canvas.size[1])) \
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and ((self.lastCellState == None) \
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or (self.lastCellState != [list(mapPoint), mouseDragging, mouseLeftDown, mouseRightDown, list(viewRect)])):
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self.brushPos = list(mapPoint)
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self.lastCellState = [list(mapPoint), mouseDragging, mouseLeftDown, mouseRightDown, list(viewRect)]
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rc, dirty = tool.onMouseEvent(self.brushColours, self.brushSize, self.canvas, self.dispatchPatchSingle, eventDc, self.brushPos, mouseDragging, mouseLeftDown, mouseRightDown, viewRect)
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else:
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rc, dirty = tool.onKeyboardEvent(self.brushColours, self.brushSize, self.canvas, self.dispatchPatchSingle, eventDc, keyChar, keyModifiers, self.brushPos, viewRect)
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if dirty:
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self.dirty = True
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self.commands.update(dirty=self.dirty, cellPos=self.brushPos, undoLevel=self.canvas.journal.patchesUndoLevel)
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else:
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self.commands.update(cellPos=mapPoint if mapPoint else self.brushPos)
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self.canvas.journal.end()
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if rc and (tool.__class__ == ToolObject) and (tool.toolState == tool.TS_NONE):
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self.commands.currentTool, self.commands.lastTool = self.commands.lastTool, self.commands.currentTool
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self.commands.update(toolName=self.commands.currentTool.name)
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return rc
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# }}}
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# {{{ dispatchDeltaPatches(self, deltaPatches)
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def dispatchDeltaPatches(self, deltaPatches):
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viewRect = self.GetViewStart()
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eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, viewRect)
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if self.canvas.dirtyCursor:
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self.backend.drawCursorMaskWithJournal(self.canvas.journal, eventDc, viewRect)
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self.canvas.dirtyCursor = False
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for patch in deltaPatches:
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if patch == None:
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continue
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elif patch[0] == "resize":
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del eventDc; self.resize(patch[1:], False); eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, self.GetViewStart());
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else:
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self.canvas._commitPatch(patch); self.backend.drawPatch(eventDc, patch, self.GetViewStart());
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# }}}
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# {{{ dispatchPatch(self, eventDc, isCursor, patch, viewRect)
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def dispatchPatch(self, eventDc, isCursor, patch, viewRect):
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if self.canvas.dispatchPatch(isCursor, patch, False if isCursor else True):
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self._drawPatch(eventDc, isCursor, patch, viewRect)
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# }}}
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# {{{ dispatchPatchSingle(self, eventDc, isCursor, patch, viewRect)
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def dispatchPatchSingle(self, eventDc, isCursor, patch, viewRect):
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if self.canvas.dispatchPatchSingle(isCursor, patch, False if isCursor else True):
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self._drawPatch(eventDc, isCursor, patch, viewRect)
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# }}}
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# {{{ resize(self, newSize, commitUndo=True)
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def resize(self, newSize, commitUndo=True):
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oldSize = [0, 0] if self.canvas.map == None else self.canvas.size
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deltaSize = [b - a for a, b in zip(oldSize, newSize)]
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if self.canvas.resize(newSize, commitUndo):
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super().resize([a * b for a, b in zip(newSize, self.backend.cellSize)])
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self.backend.resize(newSize, self.backend.cellSize)
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viewRect = self.GetViewStart(); eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, viewRect);
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if deltaSize[0] > 0:
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for numRow in range(oldSize[1]):
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for numNewCol in range(oldSize[0], newSize[0]):
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self._drawPatch(eventDc, False, [numNewCol, numRow, 1, 1, 0, " "], viewRect)
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if deltaSize[1] > 1:
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for numNewRow in range(oldSize[1], newSize[1]):
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for numNewCol in range(newSize[0]):
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self._drawPatch(eventDc, False, [numNewCol, numNewRow, 1, 1, 0, " "], viewRect)
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self.commands.update(size=newSize, undoLevel=self.canvas.journal.patchesUndoLevel)
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# }}}
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# {{{ update(self, newSize, commitUndo=True, newCanvas=None)
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def update(self, newSize, commitUndo=True, newCanvas=None):
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self.resize(newSize, commitUndo)
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self.canvas.update(newSize, newCanvas)
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eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, self.GetViewStart())
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for numRow in range(newSize[1]):
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for numCol in range(newSize[0]):
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self.backend.drawPatch(eventDc, [numCol, numRow, *self.canvas.map[numRow][numCol]], self.GetViewStart())
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# }}}
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# {{{ onKeyboardInput(self, event)
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def onKeyboardInput(self, event):
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viewRect = self.GetViewStart(); eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, viewRect);
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keyChar, keyModifiers = chr(event.GetUnicodeKey()), event.GetModifiers()
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if not self.applyTool(eventDc, False, keyChar, keyModifiers, None, None, None, None, self.commands.currentTool, viewRect):
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event.Skip()
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# }}}
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# {{{ onEnterWindow(self, event)
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def onEnterWindow(self, event):
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self.lastCellState = None
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# }}}
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# {{{ onLeaveWindow(self, event)
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def onLeaveWindow(self, event):
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eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, self.GetViewStart())
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self.backend.drawCursorMaskWithJournal(self.canvas.journal, eventDc, self.GetViewStart())
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self.lastCellState = None
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# }}}
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# {{{ onMouseInput(self, event)
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def onMouseInput(self, event):
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viewRect = self.GetViewStart(); eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, viewRect);
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mouseDragging, mouseLeftDown, mouseRightDown = event.Dragging(), event.LeftIsDown(), event.RightIsDown()
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mapPoint = self.backend.xlateEventPoint(event, eventDc, viewRect)
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if not self.applyTool(eventDc, True, None, None, mapPoint, mouseDragging, mouseLeftDown, mouseRightDown, self.commands.currentTool, viewRect):
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event.Skip()
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# }}}
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# {{{ onMouseWheel(self, event)
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def onMouseWheel(self, event):
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if event.GetModifiers() == wx.MOD_CONTROL:
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cd = +1 if event.GetWheelRotation() >= event.GetWheelDelta() else -1
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newCellSize = [cs + cd for cs in self.backend.cellSize]
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if (newCellSize[0] > 0) and (newCellSize[1] > 0):
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self.backend.cellSize = newCellSize
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super().resize([a * b for a, b in zip(self.canvas.size, self.backend.cellSize)])
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self.backend.resize(self.canvas.size, self.backend.cellSize)
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viewRect = self.GetViewStart(); eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, viewRect);
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for numRow in range(self.canvas.size[1]):
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for numCol in range(len(self.canvas.map[numRow])):
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self._drawPatch(eventDc, False, [numCol, numRow, *self.canvas.map[numRow][numCol]], viewRect)
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else:
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event.Skip()
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# }}}
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# {{{ onPaint(self, event)
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def onPaint(self, event):
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self.backend.onPaint(self.GetClientSize(), self, self.GetViewStart())
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# }}}
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# {{{ onScroll(self, event)
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def onScroll(self, event):
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viewRect = self.GetViewStart()
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eventDc = self.backend.getDeviceContext(self.GetClientSize(), self, viewRect)
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self.backend.drawCursorMaskWithJournal(self.canvas.journal, eventDc, viewRect)
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event.Skip()
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# }}}
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#
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# __init__(self, backend, canvas, cellSize, commands, parent, parentFrame, pos, scrollStep, size): initialisation method
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def __init__(self, backend, canvas, cellSize, commands, parent, parentFrame, pos, scrollStep, size):
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super().__init__(parent, pos, scrollStep, [w * h for w, h in zip(cellSize, size)])
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self.backend, self.canvas, self.cellSize, self.commands, self.parentFrame = backend(self.size, cellSize), canvas, cellSize, commands(self, parentFrame), parentFrame
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self.brushColours, self.brushPos, self.brushSize, self.dirty, self.lastCellState = [4, 1], [0, 0], [1, 1], False, None
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self.dropTarget = RoarCanvasWindowDropTarget(self)
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self.SetDropTarget(self.dropTarget)
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self.Bind(wx.EVT_MOUSEWHEEL, self.onMouseWheel)
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# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
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