git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25276 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			323 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			323 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# 11/20/2003 - Jeff Grimmett (grimmtooth@softhome.net)
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#
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# o Updated for wx namespace
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# 
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import  wx
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import  wx.ogl  as  ogl
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import  images
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##wx.Trap()
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#----------------------------------------------------------------------
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class DiamondShape(ogl.PolygonShape):
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    def __init__(self, w=0.0, h=0.0):
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        ogl.PolygonShape.__init__(self)
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        if w == 0.0:
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            w = 60.0
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        if h == 0.0:
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            h = 60.0
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        # Either ogl.RealPoints or 2-tuples of floats  works.
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        #points = [ ogl.RealPoint(0.0,    -h/2.0),
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        #          ogl.RealPoint(w/2.0,  0.0),
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        #          ogl.RealPoint(0.0,    h/2.0),
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        #          ogl.RealPoint(-w/2.0, 0.0),
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        #          ]
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        points = [ (0.0,    -h/2.0),
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                   (w/2.0,  0.0),
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                   (0.0,    h/2.0),
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                   (-w/2.0, 0.0),
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                   ]
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        self.Create(points)
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#----------------------------------------------------------------------
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class RoundedRectangleShape(ogl.RectangleShape):
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    def __init__(self, w=0.0, h=0.0):
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        ogl.RectangleShape.__init__(self, w, h)
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        self.SetCornerRadius(-0.3)
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#----------------------------------------------------------------------
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class DividedShape(ogl.DividedShape):
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    def __init__(self, width, height, canvas):
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        ogl.DividedShape.__init__(self, width, height)
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        region1 = ogl.ShapeRegion()
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        region1.SetText('DividedShape')
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        region1.SetProportions(0.0, 0.2)
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        region1.SetFormatMode(ogl.FORMAT_CENTRE_HORIZ)
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        self.AddRegion(region1)
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        region2 = ogl.ShapeRegion()
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        region2.SetText('This is Region number two.')
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        region2.SetProportions(0.0, 0.3)
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        region2.SetFormatMode(ogl.FORMAT_CENTRE_HORIZ|ogl.FORMAT_CENTRE_VERT)
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        self.AddRegion(region2)
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        region3 = ogl.ShapeRegion()
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        region3.SetText('Region 3\nwith embedded\nline breaks')
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        region3.SetProportions(0.0, 0.5)
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        region3.SetFormatMode(ogl.FORMAT_NONE)
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        self.AddRegion(region3)
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        self.SetRegionSizes()
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        self.ReformatRegions(canvas)
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    def ReformatRegions(self, canvas=None):
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        rnum = 0
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        if canvas is None:
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            canvas = self.GetCanvas()
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        dc = wx.ClientDC(canvas)  # used for measuring
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        for region in self.GetRegions():
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            text = region.GetText()
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            self.FormatText(dc, text, rnum)
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            rnum += 1
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    def OnSizingEndDragLeft(self, pt, x, y, keys, attch):
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        print "***", self
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        self.base_OnSizingEndDragLeft(pt, x, y, keys, attch)
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        self.SetRegionSizes()
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        self.ReformatRegions()
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        self.GetCanvas().Refresh()
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#----------------------------------------------------------------------
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class MyEvtHandler(ogl.ShapeEvtHandler):
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    def __init__(self, log, frame):
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        ogl.ShapeEvtHandler.__init__(self)
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        self.log = log
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        self.statbarFrame = frame
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    def UpdateStatusBar(self, shape):
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        x,y = shape.GetX(), shape.GetY()
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        width, height = shape.GetBoundingBoxMax()
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        self.statbarFrame.SetStatusText("Pos: (%d,%d)  Size: (%d, %d)" %
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                                        (x, y, width, height))
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    def OnLeftClick(self, x, y, keys = 0, attachment = 0):
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        shape = self.GetShape()
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        print shape.__class__, shape.GetClassName()
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        canvas = shape.GetCanvas()
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        dc = wx.ClientDC(canvas)
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        canvas.PrepareDC(dc)
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        if shape.Selected():
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            shape.Select(False, dc)
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            canvas.Redraw(dc)
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        else:
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            redraw = False
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            shapeList = canvas.GetDiagram().GetShapeList()
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            toUnselect = []
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            for s in shapeList:
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                if s.Selected():
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                    # If we unselect it now then some of the objects in
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                    # shapeList will become invalid (the control points are
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                    # shapes too!) and bad things will happen...
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                    toUnselect.append(s)
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            shape.Select(True, dc)
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            if toUnselect:
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                for s in toUnselect:
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                    s.Select(False, dc)
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                canvas.Redraw(dc)
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        self.UpdateStatusBar(shape)
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    def OnEndDragLeft(self, x, y, keys = 0, attachment = 0):
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        shape = self.GetShape()
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        self.base_OnEndDragLeft(x, y, keys, attachment)
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        if not shape.Selected():
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            self.OnLeftClick(x, y, keys, attachment)
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        self.UpdateStatusBar(shape)
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    def OnSizingEndDragLeft(self, pt, x, y, keys, attch):
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        self.base_OnSizingEndDragLeft(pt, x, y, keys, attch)
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        self.UpdateStatusBar(self.GetShape())
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    def OnMovePost(self, dc, x, y, oldX, oldY, display):
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        self.base_OnMovePost(dc, x, y, oldX, oldY, display)
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        self.UpdateStatusBar(self.GetShape())
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    def OnRightClick(self, *dontcare):
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        self.log.WriteText("%s\n" % self.GetShape())
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#----------------------------------------------------------------------
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class TestWindow(ogl.ShapeCanvas):
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    def __init__(self, parent, log, frame):
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        ogl.ShapeCanvas.__init__(self, parent)
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        maxWidth  = 1000
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        maxHeight = 1000
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        self.SetScrollbars(20, 20, maxWidth/20, maxHeight/20)
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        self.log = log
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        self.frame = frame
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        self.SetBackgroundColour("LIGHT BLUE") #wx.WHITE)
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        self.diagram = ogl.Diagram()
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        self.SetDiagram(self.diagram)
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        self.diagram.SetCanvas(self)
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        self.shapes = []
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        self.save_gdi = []
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        rRectBrush = wx.Brush("MEDIUM TURQUOISE", wx.SOLID)
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        dsBrush = wx.Brush("WHEAT", wx.SOLID)
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        self.MyAddShape(
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            ogl.CircleShape(80), 
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            100, 100, wx.Pen(wx.BLUE, 3), wx.GREEN_BRUSH, "Circle"
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            )
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        self.MyAddShape(
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            ogl.RectangleShape(85, 50), 
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            305, 60, wx.BLACK_PEN, wx.LIGHT_GREY_BRUSH, "Rectangle"
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            )
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        ds = self.MyAddShape(
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                    DividedShape(140, 150, self), 
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                    495, 145, wx.BLACK_PEN, dsBrush, ''
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                    )
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        self.MyAddShape(
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            DiamondShape(90, 90), 
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            345, 235, wx.Pen(wx.BLUE, 3, wx.DOT), wx.RED_BRUSH, "Polygon"
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            )
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        self.MyAddShape(
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            RoundedRectangleShape(95,70), 
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            140, 255, wx.Pen(wx.RED, 2), rRectBrush, "Rounded Rect"
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            )
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        bmp = images.getTest2Bitmap()
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        mask = wx.MaskColour(bmp, wx.BLUE)
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        bmp.SetMask(mask)
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        s = ogl.BitmapShape()
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        s.SetBitmap(bmp)
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        self.MyAddShape(s, 225, 150, None, None, "Bitmap")
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        dc = wx.ClientDC(self)
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        self.PrepareDC(dc)
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        for x in range(len(self.shapes)):
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            fromShape = self.shapes[x]
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            if x+1 == len(self.shapes):
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                toShape = self.shapes[0]
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            else:
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                toShape = self.shapes[x+1]
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            line = ogl.LineShape()
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            line.SetCanvas(self)
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            line.SetPen(wx.BLACK_PEN)
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            line.SetBrush(wx.BLACK_BRUSH)
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            line.AddArrow(ogl.ARROW_ARROW)
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            line.MakeLineControlPoints(2)
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            fromShape.AddLine(line, toShape)
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            self.diagram.AddShape(line)
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            line.Show(True)
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            # for some reason, the shapes have to be moved for the line to show up...
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            fromShape.Move(dc, fromShape.GetX(), fromShape.GetY())
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        self.Bind(wx.EVT_WINDOW_DESTROY, self.OnDestroy)
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    def MyAddShape(self, shape, x, y, pen, brush, text):
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        shape.SetDraggable(True, True)
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        shape.SetCanvas(self)
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        shape.SetX(x)
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        shape.SetY(y)
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        if pen:    shape.SetPen(pen)
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        if brush:  shape.SetBrush(brush)
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        if text:   shape.AddText(text)
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        #shape.SetShadowMode(ogl.SHADOW_RIGHT)
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        self.diagram.AddShape(shape)
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        shape.Show(True)
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        evthandler = MyEvtHandler(self.log, self.frame)
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        evthandler.SetShape(shape)
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        evthandler.SetPreviousHandler(shape.GetEventHandler())
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        shape.SetEventHandler(evthandler)
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        self.shapes.append(shape)
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        return shape
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    def OnDestroy(self, evt):
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        # Do some cleanup
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        for shape in self.diagram.GetShapeList():
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            if shape.GetParent() == None:
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                shape.SetCanvas(None)
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                shape.Destroy()
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        self.diagram.Destroy()
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    def OnBeginDragLeft(self, x, y, keys):
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        self.log.write("OnBeginDragLeft: %s, %s, %s\n" % (x, y, keys))
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    def OnEndDragLeft(self, x, y, keys):
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        self.log.write("OnEndDragLeft: %s, %s, %s\n" % (x, y, keys))
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#----------------------------------------------------------------------
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def runTest(frame, nb, log):
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    # This creates some pens and brushes that the OGL library uses.
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    # It should be called after the app object has been created, but
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    # before OGL is used.
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    ogl.OGLInitialize()
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    win = TestWindow(nb, log, frame)
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    return win
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#----------------------------------------------------------------------
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# The OGL library holds some resources that need to be freed before
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# the app shuts down.
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class __Cleanup:
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    def __del__(self, cleanup=ogl.OGLCleanUp):
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        cleanup()
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# When this module gets cleaned up by Python then __cu will be cleaned
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# up and it's __dell__ is called, which will then call ogl.OGLCleanUp.
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__cu = __Cleanup()
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overview = """\
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The Object Graphics Library is a library supporting the creation and
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manipulation of simple and complex graphic images on a canvas.
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"""
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if __name__ == '__main__':
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    import sys,os
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    import run
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    run.main(['', os.path.basename(sys.argv[0])])
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