macfont.py 文件源码

def render(self, text, antialias, forecolor, backcolor=(0,0,0,255)):
        size = self.size(text)
        img = NSImage.alloc().initWithSize_(size)
        img.lockFocus()

        NSString.drawAtPoint_withAttributes_(text, (0.0, 0.0), {
            NSFontAttributeName: self._font,
            NSUnderlineStyleAttributeName: self._isUnderline and 1.0 or None,
            NSBackgroundColorAttributeName: backcolor and _getColor(backcolor) or None,
            NSForegroundColorAttributeName: _getColor(forecolor),
        })

        rep = NSBitmapImageRep.alloc().initWithFocusedViewRect_(((0.0, 0.0), size))
        img.unlockFocus()
        if rep.samplesPerPixel() == 4:
            s = Surface(size, SRCALPHA|SWSURFACE, 32, [-1<<24,0xff<<16,0xff<<8,0xff])

            a = Numeric.reshape(Numeric.fromstring(rep.bitmapData(), typecode=Numeric.Int32), (size[1], size[0]))
            blit_array(s, Numeric.swapaxes(a,0,1))
            return s.convert_alpha()