WinAPI的PIL和位图 [英] PIL and Bitmap from WinAPI

问题描述

我有一些代码使用winapi对窗口进行截图.然后，我必须将图像保存到磁盘，然后再次将其从磁盘加载到内存PIL.是否可以立即进行任何操作而无需保存到磁盘以在PIL中传递此位图.

I have code that makes a screenshot of the window using winapi. Then I have to save image to disk and load it again from disk to memory PIL. Is there any way at once without saving to disk to pass this bitmap in the PIL.

import win32gui, win32ui, win32con
import Image

win_name='Book'
bmpfilenamename='1.bmp'
hWnd = win32gui.FindWindow(None, win_name)
windowcor = win32gui.GetWindowRect(hWnd)
w=windowcor[2]-windowcor[0]
h=windowcor[3]-windowcor[1]
wDC = win32gui.GetWindowDC(hWnd)
dcObj=win32ui.CreateDCFromHandle(wDC)
cDC=dcObj.CreateCompatibleDC()
dataBitMap = win32ui.CreateBitmap()
dataBitMap.CreateCompatibleBitmap(dcObj, w, h)
cDC.SelectObject(dataBitMap)
cDC.BitBlt((0,0),(w, h) , dcObj, (0,0), win32con.SRCCOPY)
dataBitMap.SaveBitmapFile(cDC, bmpfilenamename)

#dcObj.DeleteDC()
#cDC.DeleteDC()
#win32gui.ReleaseDC(hWnd, wDC)

im=Image.open(bmpfilenamename)
im.load()

推荐答案

注释该行:

dataBitMap.SaveBitmapFile(cDC, bmpfilenamename)

并添加它:

bmpinfo = dataBitMap.GetInfo()
bmpstr = dataBitMap.GetBitmapBits(True)
im = Image.frombuffer(
    'RGB',
    (bmpinfo['bmWidth'], bmpinfo['bmHeight']),
    bmpstr, 'raw', 'BGRX', 0, 1)

[来自另一个SO问题]

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