コード例 #1
0
ファイル: clipboard.py プロジェクト: gitmirrors2/xpra
    def set_clipboard_image(self, img_format, img_data):
        image_formats = {}
        if COMPRESSED_IMAGES:
            #first save it as binary compressed data:
            fmt_name = LPCSTR(img_format.upper().encode("latin1")+b"\0")   #ie: "PNG"
            fmt = RegisterClipboardFormatA(fmt_name)
            if fmt:
                buf = create_string_buffer(img_data)
                pbuf = cast(byref(buf), c_void_p)
                l = len(img_data)
                data_handle = GlobalAlloc(GMEM_MOVEABLE, l)
                if not data_handle:
                    log.error("Error: failed to allocate %i bytes of global memory", l)
                    return True
                data = GlobalLock(data_handle)
                if not data:
                    log("failed to lock data handle %#x (may try again)", data_handle)
                    return False
                log("got data handle lock %#x for %i bytes of '%s' data", data, l, img_format)
                try:
                    memmove(data, pbuf, l)
                finally:
                    GlobalUnlock(data)
                image_formats[fmt] = data_handle

        #also convert it to a bitmap:
        from PIL import Image
        buf = BytesIO(img_data)
        img = Image.open(buf)
        if img.mode!="RGBA":
            img = img.convert("RGBA")
        rgb_data = img.tobytes("raw", "BGRA")
        w, h = img.size
        log("set_clipboard_image(%s, %s) image size=%s, BGR buffer=%i bytes",
            img_format, ellipsizer(data), img.size, len(rgb_data))
        header = BITMAPINFOHEADER()
        memset(byref(header), 0, sizeof(BITMAPINFOHEADER ))
        header.biSize       = sizeof(BITMAPINFOHEADER)
        header.biWidth      = w
        header.biHeight     = -h
        header.biPlanes     = 1
        header.biBitCount   = 32
        header.biCompression    = BI_RGB
        header.biSizeImage      = 0
        header.biXPelsPerMeter  = 10
        header.biYPelsPerMeter  = 10
        bitmapinfo = BITMAPINFO()
        bitmapinfo.bmiColors = 0
        memmove(byref(bitmapinfo.bmiHeader), byref(header), sizeof(BITMAPINFOHEADER))
        rgb_buf = create_string_buffer(rgb_data)
        pbuf = cast(byref(rgb_buf), c_void_p)
        hdc = GetDC(None)
        CBM_INIT = 4
        bitmap = CreateDIBitmap(hdc, byref(header), CBM_INIT, pbuf, byref(bitmapinfo), win32con.DIB_RGB_COLORS)
        ReleaseDC(None, hdc)
        image_formats[win32con.CF_BITMAP] = bitmap

        self.do_set_clipboard_image(image_formats)
コード例 #2
0
ファイル: clipboard.py プロジェクト: DiGuoZhiMeng/Xpra
 def set_error(error_text=""):
     log.error("Error: failed to set clipboard data")
     if error_text:
         log.error(" %s", error_text)
     cleanup()
コード例 #3
0
ファイル: clipboard.py プロジェクト: DiGuoZhiMeng/Xpra
 def errback(error_text=""):
     log.error("Error: failed to get clipboard data")
     if error_text:
         log.error(" %s", error_text)
     got_contents(target, 8, b"")
コード例 #4
0
ファイル: clipboard.py プロジェクト: DiGuoZhiMeng/Xpra
 def clear_error(error_text=""):
     log.error("Error: failed to clear the clipboard")
     if error_text:
         log.error(" %s", error_text)