roar/MiRCARTCanvasBackend.py
Lucio Andrés Illanes Albornoz 3e03126006 MiRCARTCanvasInterface.py: split from MiRCARTCanvas.py.
MiRCART{Canvas,{,General}Frame}.py: updated.
2018-01-10 03:24:25 +01:00

175 lines
7.1 KiB
Python

#!/usr/bin/env python3
#
# MiRCARTCanvasBackend.py -- XXX
# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
from MiRCARTColours import MiRCARTColours
import wx
class MiRCARTCanvasBackend():
"""XXX"""
_font = _brushes = _pens = None
_lastBrush = _lastPen = None
canvasBitmap = cellSize = None
# {{{ _drawBrushPatch(self, eventDc, patch): XXX
def _drawBrushPatch(self, eventDc, patch):
absPoint = self._xlatePoint(patch[0])
brushFg = self._brushes[patch[1][1]]
brushBg = self._brushes[patch[1][0]]
pen = self._pens[patch[1][1]]
self._setBrushDc(brushBg, brushFg, eventDc, pen)
eventDc.DrawRectangle(*absPoint, *self.cellSize)
# }}}
# {{{ _drawCharPatch(self, eventDc, patch): XXX
def _drawCharPatch(self, eventDc, patch):
absPoint = self._xlatePoint(patch[0])
brushFg = self._brushes[patch[1][0]]
brushBg = self._brushes[patch[1][1]]
pen = self._pens[patch[1][1]]
fontBitmap = wx.Bitmap(*self.cellSize)
fontDc = wx.MemoryDC(); fontDc.SelectObject(fontBitmap);
fontDc.SetTextForeground(wx.Colour(MiRCARTColours[patch[1][0]][0:4]))
fontDc.SetTextBackground(wx.Colour(MiRCARTColours[patch[1][1]][0:4]))
fontDc.SetBrush(brushBg); fontDc.SetBackground(brushBg); fontDc.SetPen(pen);
fontDc.SetFont(self._font)
fontDc.DrawRectangle(0, 0, *self.cellSize)
fontDc.DrawText(patch[3], 0, 0)
eventDc.Blit(*absPoint, *self.cellSize, fontDc, 0, 0)
# }}}
# {{{ _finiBrushesAndPens(self): XXX
def _finiBrushesAndPens(self):
for brush in self._brushes or []:
brush.Destroy()
self._brushes = None
for pen in self._pens or []:
pen.Destroy()
self._pens = None
self._lastBrushBg = self._lastBrushFg = self._lastPen = None;
# }}}
# {{{ _initBrushesAndPens(self): XXX
def _initBrushesAndPens(self):
self._brushes = [None for x in range(len(MiRCARTColours))]
self._pens = [None for x in range(len(MiRCARTColours))]
for mircColour in range(len(MiRCARTColours)):
self._brushes[mircColour] = wx.Brush( \
wx.Colour(MiRCARTColours[mircColour][0:4]), wx.BRUSHSTYLE_SOLID)
self._pens[mircColour] = wx.Pen( \
wx.Colour(MiRCARTColours[mircColour][0:4]), 1)
self._lastBrushBg = self._lastBrushFg = self._lastPen = None;
# }}}
# {{{ _setBrushDc(self, brushBg, brushFg, dc, pen): XXX
def _setBrushDc(self, brushBg, brushFg, dc, pen):
if self._lastBrushBg != brushBg:
dc.SetBackground(brushBg)
self._lastBrushBg = brushBg
if self._lastBrushFg != brushFg:
dc.SetBrush(brushFg)
self._lastBrushFg = brushFg
if self._lastPen != pen:
dc.SetPen(pen)
self._lastPen = pen
# }}}
# {{{ _xlatePoint(self, relMapPoint): XXX
def _xlatePoint(self, relMapPoint):
return [a*b for a,b in zip(relMapPoint, self.cellSize)]
# }}}
# {{{ drawPatch(self, eventDc, patch): XXX
def drawPatch(self, eventDc, patch):
if patch[0][0] < self.canvasSize[0] \
and patch[0][0] >= 0 \
and patch[0][1] < self.canvasSize[1] \
and patch[0][1] >= 0:
if patch[3] == " ":
self._drawBrushPatch(eventDc, patch)
else:
self._drawCharPatch(eventDc, patch)
return True
else:
return False
# }}}
# {{{ drawCursorMaskWithJournal(self, canvasJournal, eventDc): XXX
def drawCursorMaskWithJournal(self, canvasJournal, eventDc):
for patch in canvasJournal.popCursor():
self.drawPatch(eventDc, patch)
# }}}
# {{{ getDeviceContext(self, parentWindow): XXX
def getDeviceContext(self, parentWindow):
eventDc = wx.BufferedDC( \
wx.ClientDC(parentWindow), self.canvasBitmap)
self._lastBrushBg = self._lastBrushFg = self._lastPen = None;
return eventDc
# }}}
# {{{ onPanelPaintEvent(self, panelWindow, panelEvent): XXX
def onPanelPaintEvent(self, panelWindow, panelEvent):
if self.canvasBitmap != None:
eventDc = wx.BufferedPaintDC(panelWindow, self.canvasBitmap)
# }}}
# {{{ reset(self, canvasSize, cellSize):
def reset(self, canvasSize, cellSize):
self.resize(canvasSize, cellSize)
# }}}
# {{{ resize(self, canvasSize, cellSize):
def resize(self, canvasSize, cellSize):
winSize = [a*b for a,b in zip(canvasSize, cellSize)]
if self.canvasBitmap == None:
self.canvasBitmap = wx.Bitmap(winSize)
else:
oldDc = wx.MemoryDC()
oldDc.SelectObject(self.canvasBitmap)
newDc = wx.MemoryDC()
newBitmap = wx.Bitmap(winSize)
newDc.SelectObject(newBitmap)
newDc.Blit(0, 0, *self.canvasBitmap.GetSize(), oldDc, 0, 0)
self.canvasBitmap = newBitmap
self.canvasSize = canvasSize; self.cellSize = cellSize;
self._font = wx.Font( \
8, \
wx.FONTFAMILY_TELETYPE, \
wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL)
# }}}
# {{{ xlateEventPoint(self, event, eventDc): XXX
def xlateEventPoint(self, event, eventDc):
eventPoint = event.GetLogicalPosition(eventDc)
rectX = eventPoint.x - (eventPoint.x % self.cellSize[0])
rectY = eventPoint.y - (eventPoint.y % self.cellSize[1])
mapX = int(rectX / self.cellSize[0] if rectX else 0)
mapY = int(rectY / self.cellSize[1] if rectY else 0)
return (mapX, mapY)
# }}}
# {{{ __del__(self): destructor method
def __del__(self):
if self.canvasBitmap != None:
self.canvasBitmap.Destroy(); self.canvasBitmap = None;
self._finiBrushesAndPens()
# }}}
#
# _init__(self, canvasSize, cellSize): initialisation method
def __init__(self, canvasSize, cellSize):
self._initBrushesAndPens()
self.reset(canvasSize, cellSize)
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