codekingpro/portable-devtools

1# A demo which creates a view and a frame which displays a PPM format bitmap2#3# This hasnnt been run in a while, as I dont have many of that format around!4 5import win32api6import win32con7import win32ui8 9 10class DIBView:11    def __init__(self, doc, dib):12        self.dib = dib13        self.view = win32ui.CreateView(doc)14        self.width = self.height = 015        # set up message handlers16        # 		self.view.OnPrepareDC = self.OnPrepareDC17        self.view.HookMessage(self.OnSize, win32con.WM_SIZE)18 19    def OnSize(self, params):20        lParam = params[3]21        self.width = win32api.LOWORD(lParam)22        self.height = win32api.HIWORD(lParam)23 24    def OnDraw(self, ob, dc):25        # set sizes used for "non strecth" mode.26        self.view.SetScrollSizes(win32con.MM_TEXT, self.dib.GetSize())27        dibSize = self.dib.GetSize()28        dibRect = (0, 0, dibSize[0], dibSize[1])29        # stretch BMP.30        # self.dib.Paint(dc, (0,0,self.width, self.height),dibRect)31        # non stretch.32        self.dib.Paint(dc)33 34 35class DIBDemo:36    def __init__(self, filename, *bPBM):37        # init data members38        f = open(filename, "rb")39        dib = win32ui.CreateDIBitmap()40        if len(bPBM) > 0:41            magic = f.readline()42            if magic != "P6\n":43                print("The file is not a PBM format file")44                raise ValueError("Failed - The file is not a PBM format file")45            # check magic?46            rowcollist = f.readline().split()47            cols = int(rowcollist[0])48            rows = int(rowcollist[1])49            f.readline()  # whats this one?50            dib.LoadPBMData(f, (cols, rows))51        else:52            dib.LoadWindowsFormatFile(f)53        f.close()54        # create doc/view55        self.doc = win32ui.CreateDoc()56        self.dibView = DIBView(self.doc, dib)57        self.frame = win32ui.CreateMDIFrame()58        self.frame.LoadFrame()  # this will force OnCreateClient59        self.doc.SetTitle("DIB Demo")60        self.frame.ShowWindow()61 62        # display the sucka63        self.frame.ActivateFrame()64 65    def OnCreateClient(self, createparams, context):66        self.dibView.view.CreateWindow(self.frame)67        return 168 69 70if __name__ == "__main__":71    import demoutils72 73    demoutils.NotAScript()74