win32.py 文件源码

def _create_bitmap(self, width, height):
        self._data = (ctypes.c_byte * (4 * width * height))()
        self._bitmap = ctypes.c_void_p()
        self._format = PixelFormat32bppARGB 
        gdiplus.GdipCreateBitmapFromScan0(width, height, width * 4,
            self._format, self._data, ctypes.byref(self._bitmap))

        self._graphics = ctypes.c_void_p()
        gdiplus.GdipGetImageGraphicsContext(self._bitmap,
            ctypes.byref(self._graphics))
        gdiplus.GdipSetPageUnit(self._graphics, UnitPixel)

        self._dc = user32.GetDC(0)
        gdi32.SelectObject(self._dc, self.font.hfont)

        gdiplus.GdipSetTextRenderingHint(self._graphics,
            TextRenderingHintAntiAliasGridFit)


        self._brush = ctypes.c_void_p()
        gdiplus.GdipCreateSolidFill(0xffffffff, ctypes.byref(self._brush))


        self._matrix = ctypes.c_void_p()
        gdiplus.GdipCreateMatrix(ctypes.byref(self._matrix))

        self._flags = (DriverStringOptionsCmapLookup |
                       DriverStringOptionsRealizedAdvance)

        self._rect = Rect(0, 0, width, height)

        self._bitmap_height = height