+++ /dev/null
-
-from wxPython.wx import *
-
-#---------------------------------------------------------------------------
-
-class MyCanvas(wxScrolledWindow):
- def __init__(self, parent, id = -1, size = wxDefaultSize):
- wxScrolledWindow.__init__(self, parent, id, wxPoint(0, 0), size, wxSUNKEN_BORDER)
-
- self.lines = []
- self.maxWidth = 1000
- self.maxHeight = 1000
-
- self.SetBackgroundColour(wxNamedColor("WHITE"))
- self.Connect(-1, -1, wxEVT_LEFT_DOWN, self.OnLeftButtonEvent)
- self.Connect(-1, -1, wxEVT_LEFT_UP, self.OnLeftButtonEvent)
- self.Connect(-1, -1, wxEVT_MOTION, self.OnLeftButtonEvent)
-
- self.SetCursor(wxStockCursor(wxCURSOR_PENCIL))
- bmp = wxBitmap('bitmaps/test2.bmp', wxBITMAP_TYPE_BMP)
- mask = wxMaskColour(bmp, wxBLUE)
- bmp.SetMask(mask)
- self.bmp = bmp
-
- self.SetScrollbars(20, 20, self.maxWidth/20, self.maxHeight/20)
-
- def getWidth(self):
- return self.maxWidth
-
- def getHeight(self):
- return self.maxHeight
-
-
- def OnPaint(self, event):
- dc = wxPaintDC(self)
- self.PrepareDC(dc)
- self.DoDrawing(dc)
-
-
- def DoDrawing(self, dc):
- dc.BeginDrawing()
- pen1 = wxPen(wxNamedColour('RED'))
- dc.SetPen(pen1)
- dc.DrawRectangle(5, 5, 50, 50)
-
- dc.SetBrush(wxLIGHT_GREY_BRUSH)
- dc.SetPen(wxPen(wxNamedColour('BLUE'), 4))
- dc.DrawRectangle(15, 15, 50, 50)
-
- font = wxFont(14, wxSWISS, wxNORMAL, wxNORMAL)
- dc.SetFont(font)
- dc.SetTextForeground(wxColour(0xFF, 0x20, 0xFF))
- te = dc.GetTextExtent("Hello World")
- dc.DrawText("Hello World", 60, 65)
-
- dc.SetPen(wxPen(wxNamedColour('VIOLET'), 4))
- dc.DrawLine(5, 65+te[1], 60+te[0], 65+te[1])
-
- lst = [(100,110), (150,110), (150,160), (100,160)]
- dc.DrawLines(lst, -60)
- dc.SetPen(wxGREY_PEN)
- dc.DrawPolygon(lst, 75)
- dc.SetPen(wxGREEN_PEN)
- dc.DrawSpline(lst+[(100,100)])
-
- dc.DrawBitmap(self.bmp, 200, 20, true)
- dc.SetTextForeground(wxColour(0, 0xFF, 0x80))
- dc.DrawText("a bitmap", 200, 85)
-
- font = wxFont(20, wxSWISS, wxNORMAL, wxNORMAL)
- dc.SetFont(font)
- dc.SetTextForeground(wxBLACK)
- for a in range(0, 360, 45):
- dc.DrawRotatedText("Rotated text...", 300, 300, a)
-
- dc.SetPen(wxTRANSPARENT_PEN)
- dc.SetBrush(wxBLUE_BRUSH)
- dc.DrawRectangle(50,500,50,50)
- dc.DrawRectangle(100,500,50,50)
-
- #from wxPython import dch
- #dch.FillRect(dc, wxRect(50, 400, 50, 50), wxBLACK)
-
- self.DrawSavedLines(dc)
- dc.EndDrawing()
-
-
-
- def DrawSavedLines(self, dc):
- dc.SetPen(wxPen(wxNamedColour('MEDIUM FOREST GREEN'), 4))
- for line in self.lines:
- for coords in line:
- apply(dc.DrawLine, coords)
-
-
- def SetXY(self, event):
- self.x, self.y = self.ConvertEventCoords(event)
-
- def ConvertEventCoords(self, event):
- xView, yView = self.ViewStart()
- xDelta, yDelta = self.GetScrollPixelsPerUnit()
- return (event.GetX() + (xView * xDelta),
- event.GetY() + (yView * yDelta))
-
- def OnLeftButtonEvent(self, event):
- if event.LeftDown():
- self.SetXY(event)
- self.curLine = []
- self.CaptureMouse()
-
- elif event.Dragging():
- print event.GetPosition()
- dc = wxClientDC(self)
- self.PrepareDC(dc)
- dc.BeginDrawing()
- dc.SetPen(wxPen(wxNamedColour('MEDIUM FOREST GREEN'), 4))
- coords = (self.x, self.y) + self.ConvertEventCoords(event)
- self.curLine.append(coords)
- apply(dc.DrawLine, coords)
- self.SetXY(event)
- dc.EndDrawing()
-
- elif event.LeftUp():
- self.lines.append(self.curLine)
- self.curLine = []
- self.ReleaseMouse()
-
-#---------------------------------------------------------------------------
-
-def runTest(frame, nb, log):
- win = MyCanvas(nb)
- return win
-
-#---------------------------------------------------------------------------
-
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-
-overview = """\
-"""