Python win32gui.GetWindowDC() Examples

The following are 22 code examples of win32gui.GetWindowDC(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module win32gui , or try the search function

Example #1

Source File: winapi.py From gui-o-matic with GNU Lesser General Public License v3.0

6 votes

def set_props( self, window = None, **kwargs ):

            if window and self.roi:
                win32gui.InvalidateRect( window.window_handle,
                                         self.roi, True )

            for key in ('text','rect','style','font','color'):
                if key in kwargs:
                    setter = '_set_' + key
                    if hasattr( self, setter ):
                        getattr( self, setter )( kwargs[ key ] )
                    else:
                        setattr( self, key, kwargs[ key ] )
                    
            if window:
                hdc = win32gui.GetWindowDC( window.window_handle )
                roi = self.calc_roi( hdc )
                win32gui.ReleaseDC( window.window_handle, hdc )
                win32gui.InvalidateRect( window.window_handle,
                                         roi, True )

Example #2

Source File: ScreenViewer.py From poeai with MIT License

6 votes

def WindowDraw(self, rect):
        '''
        Draws a rectangle to the window
        '''
        if self.hwnd is None:
            return
            #raise Exception("HWND is none. HWND not called or invalid window name provided.")
        wDC = win32gui.GetWindowDC(self.hwnd)
        dcObj = win32ui.CreateDCFromHandle(wDC)
        #Set background mode to transparent
        #dcObj.SetBkColor(0x12345)
        #dcObj.SetBkMode(0)
        dcObj.Rectangle(rect)
        # Free Resources
        dcObj.DeleteDC()
        win32gui.ReleaseDC(self.hwnd, wDC)

Example #3

Source File: inputs.py From NGU-scripts with GNU Lesser General Public License v3.0

5 votes

def get_pixel_color(x :int, y :int, debug :bool =False) -> str:
        """Get the color of selected pixel in HEX."""
        dc = win32gui.GetWindowDC(Window.id)
        rgba = win32gui.GetPixel(dc, x + 8 + Window.x, y + 8 + Window.y)
        win32gui.ReleaseDC(Window.id, dc)
        r = rgba & 0xff
        g = rgba >> 8 & 0xff
        b = rgba >> 16 & 0xff
        
        if debug: print(Inputs.rgb_to_hex((r, g, b)))
        
        return Inputs.rgb_to_hex((r, g, b))

Example #4

Source File: winapi.py From gui-o-matic with GNU Lesser General Public License v3.0

5 votes

def create_fonts( self ):
        '''
        Create all font objects
        '''
        self.known_fonts = {}
        def handle_font( font_config, text_metric, font_type, param ):
            #print font_config.lfFaceName
            self.known_fonts[ font_config.lfFaceName ] = font_config
            return True

        hdc = win32gui.GetWindowDC( self.main_window.window_handle )
        
        #print "=== begin availalbe fonts ==="
        win32gui.EnumFontFamilies( hdc, None, handle_font, None )
        #print "=== end available fonts ==="

        # https://stackoverflow.com/questions/6057239/which-font-is-the-default-for-mfc-dialog-controls
        self.non_client_metrics = win32gui.SystemParametersInfo( win32con.SPI_GETNONCLIENTMETRICS, None, 0 )
        self.default_font = self.non_client_metrics[ 'lfMessageFont' ].lfFaceName
        
        #print "Default font: " + self.default_font
        keys = ( 'title', 'details', 'notification', 'splash', 'buttons' )
        font_config = self.config.get( 'font_styles', {} )
        self.fonts = { key: self.create_font( hdc, **font_config.get(key, {}) ) for key in keys }
        if 'buttons' not in self.fonts:
            self.fonts['buttons'] = win32gui.CreateFontIndirect( self.non_client_metrics[ 'lfMessageFont' ] )

        win32gui.ReleaseDC( self.main_window.window_handle, hdc )

Example #5

Source File: steam.py From Yugioh-bot with MIT License

5 votes

def take_png_screenshot(self):
        if not self.win_handle:
            raise Exception("Win handle is not valid for Steam")
        # Crops the image from the desktop
        left, top, right, bottom = win32gui.GetWindowRect(self.win_handle)
        width = right - left
        height = bottom - top
        hwnd_dc = win32gui.GetWindowDC(self.win_handle)
        # Get a bitmap
        mfc_dc = win32ui.CreateDCFromHandle(hwnd_dc)
        save_dc = mfc_dc.CreateCompatibleDC()
        save_bit_map = win32ui.CreateBitmap()
        save_bit_map.CreateCompatibleBitmap(mfc_dc, width, height)
        save_dc.SelectObject(save_bit_map)
        result = windll.user32.PrintWindow(self.win_handle, save_dc.GetSafeHdc(), 0x00000002)
        if result != 1:
            raise Exception("Failed to Steam screen")
        bmp_info = save_bit_map.GetInfo()
        bmp_raw = save_bit_map.GetBitmapBits(False)
        img = np.array(bmp_raw, np.uint8).reshape(bmp_info['bmHeight'], bmp_info['bmWidth'], 4)
        # Clean Up
        win32gui.DeleteObject(save_bit_map.GetHandle())
        save_dc.DeleteDC()
        mfc_dc.DeleteDC()
        win32gui.ReleaseDC(self.win_handle, hwnd_dc)
        img_str = cv2.imencode('.jpg', img)[1].tostring()
        return img_str

Example #6

Source File: game_ctl.py From onmyoji_bot with GNU General Public License v3.0

5 votes

def init_mem(self):
        self.hwindc = win32gui.GetWindowDC(self.hwnd)
        self.srcdc = win32ui.CreateDCFromHandle(self.hwindc)
        self.memdc = self.srcdc.CreateCompatibleDC()
        self.bmp = win32ui.CreateBitmap()
        self.bmp.CreateCompatibleBitmap(
            self.srcdc, self._client_w, self._client_h)
        self.memdc.SelectObject(self.bmp)

Example #7

Source File: tray.py From MouseTracks with GNU General Public License v3.0

5 votes

def _set_icon_menu(self, icon):
        """Load icons into the tray items.
        
        Got from https://stackoverflow.com/a/45890829.
        """
        ico_x = win32api.GetSystemMetrics(win32con.SM_CXSMICON)
        ico_y = win32api.GetSystemMetrics(win32con.SM_CYSMICON)
        hIcon = win32gui.LoadImage(0, icon, win32con.IMAGE_ICON, ico_x, ico_y, win32con.LR_LOADFROMFILE)

        hwndDC = win32gui.GetWindowDC(self.hwnd)
        dc = win32ui.CreateDCFromHandle(hwndDC)
        memDC = dc.CreateCompatibleDC()
        iconBitmap = win32ui.CreateBitmap()
        iconBitmap.CreateCompatibleBitmap(dc, ico_x, ico_y)
        oldBmp = memDC.SelectObject(iconBitmap)
        brush = win32gui.GetSysColorBrush(win32con.COLOR_MENU)

        win32gui.FillRect(memDC.GetSafeHdc(), (0, 0, ico_x, ico_y), brush)
        win32gui.DrawIconEx(memDC.GetSafeHdc(), 0, 0, hIcon, ico_x, ico_y, 0, 0, win32con.DI_NORMAL)

        memDC.SelectObject(oldBmp)
        memDC.DeleteDC()
        win32gui.ReleaseDC(self.hwnd, hwndDC)

        self.logger.debug('Set menu icon.')

        return iconBitmap.GetHandle()

Example #8

Source File: windows.py From ATX with Apache License 2.0

5 votes

def __init_screen_handles(self):
        # opengl windows cannot get from it's hwnd, so we use the screen
        hwnd = win32gui.GetDesktopWindow()
        # get screen size and offset
        left, top, right, bottom = self.rect
        width, height = right-left, bottom-top
        # the device context of the window 
        hdcwin = win32gui.GetWindowDC(hwnd)
        # make a temporary dc
        hdcmem = win32gui.CreateCompatibleDC(hdcwin)
        # make a temporary bitmap in memory, this is a PyHANDLE object
        hbmp = win32gui.CreateCompatibleBitmap(hdcwin, width, height)
        # select bitmap for temporary dc
        win32gui.SelectObject(hdcmem, hbmp)
        # check the bitmap object infomation
        bmp = win32gui.GetObject(hbmp)
        bi = BITMAPINFOHEADER()
        bi.biSize = ctypes.sizeof(BITMAPINFOHEADER)
        bi.biWidth = bmp.bmWidth
        bi.biHeight = bmp.bmHeight
        bi.biPlanes = bmp.bmPlanes
        bi.biBitCount = bmp.bmBitsPixel
        bi.biCompression = 0 # BI_RGB
        bi.biSizeImage = 0
        bi.biXPelsPerMeter = 0
        bi.biYPelsPerMeter = 0
        bi.biClrUsed = 0
        bi.biClrImportant = 0
        # calculate total size for bits
        pixel = bmp.bmBitsPixel
        size = ((bmp.bmWidth * pixel + pixel - 1)/pixel) * 4 * bmp.bmHeight
        buf = (ctypes.c_char * size)()

        self._hdcwin = hdcwin
        self._hdcmem = hdcmem
        self._bi = bi
        self._hbmp = hbmp
        self._buf = buf

Example #9

Source File: grab.py From Pine with MIT License

5 votes

def grab_screen(region=None):

    hwin = win32gui.GetDesktopWindow()

    if region:
            left,top,x2,y2 = region
            width = x2 - left + 1
            height = y2 - top + 1
    else:
        width = win32api.GetSystemMetrics(win32con.SM_CXVIRTUALSCREEN)
        height = win32api.GetSystemMetrics(win32con.SM_CYVIRTUALSCREEN)
        left = win32api.GetSystemMetrics(win32con.SM_XVIRTUALSCREEN)
        top = win32api.GetSystemMetrics(win32con.SM_YVIRTUALSCREEN)

    hwindc = win32gui.GetWindowDC(hwin)
    srcdc = win32ui.CreateDCFromHandle(hwindc)
    memdc = srcdc.CreateCompatibleDC()
    bmp = win32ui.CreateBitmap()
    bmp.CreateCompatibleBitmap(srcdc, width, height)
    memdc.SelectObject(bmp)
    memdc.BitBlt((0, 0), (width, height), srcdc, (left, top), win32con.SRCCOPY)
    
    signedIntsArray = bmp.GetBitmapBits(True)
    img = np.fromstring(signedIntsArray, dtype='uint8')
    img.shape = (height,width,4)

    srcdc.DeleteDC()
    memdc.DeleteDC()
    win32gui.ReleaseDC(hwin, hwindc)
    win32gui.DeleteObject(bmp.GetHandle())

    return cv2.cvtColor(img, cv2.COLOR_BGRA2RGB)

Example #10