69 lines
2.0 KiB
Python
69 lines
2.0 KiB
Python
# A demo which creates a view and a frame which displays a PPM format bitmap
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#
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# This hasnnt been run in a while, as I dont have many of that format around!
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import win32ui
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import win32con
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import win32api
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import string
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class DIBView:
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def __init__(self, doc, dib):
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self.dib = dib
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self.view = win32ui.CreateView(doc)
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self.width = self.height = 0
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# set up message handlers
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# self.view.OnPrepareDC = self.OnPrepareDC
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self.view.HookMessage (self.OnSize, win32con.WM_SIZE)
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def OnSize (self, params):
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lParam = params[3]
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self.width = win32api.LOWORD(lParam)
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self.height = win32api.HIWORD(lParam)
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def OnDraw (self, ob, dc):
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# set sizes used for "non strecth" mode.
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self.view.SetScrollSizes(win32con.MM_TEXT, self.dib.GetSize())
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dibSize = self.dib.GetSize()
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dibRect = (0,0,dibSize[0], dibSize[1])
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# stretch BMP.
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#self.dib.Paint(dc, (0,0,self.width, self.height),dibRect)
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# non stretch.
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self.dib.Paint(dc)
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class DIBDemo:
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def __init__(self, filename, * bPBM):
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# init data members
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f = open(filename, 'rb')
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dib=win32ui.CreateDIBitmap()
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if len(bPBM)>0:
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magic=f.readline()
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if magic != "P6\n":
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print("The file is not a PBM format file")
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raise ValueError("Failed - The file is not a PBM format file")
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# check magic?
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rowcollist=f.readline().split()
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cols=int(rowcollist[0])
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rows=int(rowcollist[1])
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f.readline() # whats this one?
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dib.LoadPBMData(f,(cols,rows))
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else:
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dib.LoadWindowsFormatFile(f)
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f.close()
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# create doc/view
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self.doc = win32ui.CreateDoc()
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self.dibView = DIBView( self.doc, dib )
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self.frame = win32ui.CreateMDIFrame()
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self.frame.LoadFrame() # this will force OnCreateClient
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self.doc.SetTitle ('DIB Demo')
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self.frame.ShowWindow()
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# display the sucka
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self.frame.ActivateFrame()
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def OnCreateClient( self, createparams, context ):
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self.dibView.view.CreateWindow(self.frame)
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return 1
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if __name__=='__main__':
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import demoutils
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demoutils.NotAScript() |