Beispiel #1
0
def make_ICONINFO(w, h, rgb_data, rgb_format="BGRA"):
    log("make_ICONINFO(%i, %i, %i bytes, %s)", w, h, len(rgb_data), rgb_format)
    bitmap = 0
    mask = 0
    try:
        bytes_per_pixel = len(rgb_format)
        bitmap = rgb_to_bitmap(rgb_data, bytes_per_pixel, w, h)
        log("rgb_to_bitmap(%i bytes, %i, %i, %i)=%s", len(rgb_data),
            bytes_per_pixel, w, h, bitmap)
        mask = CreateBitmap(w, h, 1, 1, None)
        log("CreateBitmap(%i, %i, 1, 1, None)=%#x", w, h, mask or 0)
        if not mask:
            raise ctypes.WinError(ctypes.get_last_error())
        iconinfo = ICONINFO()
        iconinfo.fIcon = True
        iconinfo.hbmMask = mask
        iconinfo.hbmColor = bitmap
        hicon = CreateIconIndirect(byref(iconinfo))
        log("CreateIconIndirect()=%#x", hicon or 0)
        if not hicon:
            raise ctypes.WinError(ctypes.get_last_error())
        return hicon
    except Exception:
        log.error("Error: failed to set tray icon", exc_info=True)
        return FALLBACK_ICON
    finally:
        if mask:
            DeleteObject(mask)
        if bitmap:
            DeleteObject(bitmap)
Beispiel #2
0
def make_ICONINFO(w, h, bgra):
    bitmap = 0
    mask = 0
    try:
        bitmap = rgba_to_bitmap(bgra, w, h)
        mask = CreateBitmap(w, h, 1, 1, None)

        iconinfo = ICONINFO()
        iconinfo.fIcon = True
        iconinfo.hbmMask = mask
        iconinfo.hbmColor = bitmap
        hicon = CreateIconIndirect(byref(iconinfo))
        log("CreateIconIndirect()=%#x", hicon)
        if not hicon:
            raise ctypes.WinError(ctypes.get_last_error())
        return hicon
    except Exception:
        log.error("Error: failed to set tray icon", exc_info=True)
        return FALLBACK_ICON
    finally:
        if mask:
            DeleteObject(mask)
        if bitmap:
            DeleteObject(bitmap)
Beispiel #3
0
def get_cursor_data(hCursor):
    #w, h = get_fixed_cursor_size()
    if not hCursor:
        return None
    x, y = 0, 0
    dc = None
    memdc = None
    bitmap = None
    old_handle = None
    pixels = None
    try:
        ii = ICONINFO()
        ii.cbSize = sizeof(ICONINFO)
        if not GetIconInfo(hCursor, byref(ii)):
            raise WindowsError()  #@UndefinedVariable
        x = ii.xHotspot
        y = ii.yHotspot
        cursorlog(
            "get_cursor_data(%#x) hotspot at %ix%i, hbmColor=%#x, hbmMask=%#x",
            hCursor, x, y, ii.hbmColor or 0, ii.hbmMask or 0)
        if not ii.hbmColor:
            #FIXME: we don't handle black and white cursors
            return None
        iie = ICONINFOEXW()
        iie.cbSize = sizeof(ICONINFOEXW)
        if not GetIconInfoExW(hCursor, byref(iie)):
            raise WindowsError()  #@UndefinedVariable
        name = iie.szResName[:MAX_PATH]
        cursorlog("wResID=%#x, sxModName=%s, szResName=%s", iie.wResID,
                  iie.sxModName[:MAX_PATH], name)
        bm = Bitmap()
        if not GetObjectA(ii.hbmColor, sizeof(Bitmap), byref(bm)):
            raise WindowsError()  #@UndefinedVariable
        cursorlog(
            "cursor bitmap: type=%i, width=%i, height=%i, width bytes=%i, planes=%i, bits pixel=%i, bits=%#x",
            bm.bmType, bm.bmWidth, bm.bmHeight, bm.bmWidthBytes, bm.bmPlanes,
            bm.bmBitsPixel, bm.bmBits or 0)
        w = bm.bmWidth
        h = bm.bmHeight
        dc = GetDC(None)
        assert dc, "failed to get a drawing context"
        memdc = CreateCompatibleDC(dc)
        assert memdc, "failed to get a compatible drawing context from %s" % dc
        bitmap = CreateCompatibleBitmap(dc, w, h)
        assert bitmap, "failed to get a compatible bitmap from %s" % dc
        old_handle = SelectObject(memdc, bitmap)

        #check if icon is animated:
        UINT_MAX = 2**32 - 1
        if not DrawIconEx(memdc, 0, 0, hCursor, w, h, UINT_MAX, 0, 0):
            cursorlog("cursor is animated!")

        #if not DrawIcon(memdc, 0, 0, hCursor):
        if not DrawIconEx(memdc, 0, 0, hCursor, w, h, 0, 0,
                          win32con.DI_NORMAL):
            raise WindowsError()  #@UndefinedVariable

        buf_size = bm.bmWidthBytes * h
        buf = create_string_buffer(b"", buf_size)
        r = GetBitmapBits(bitmap, buf_size, byref(buf))
        cursorlog("get_cursor_data(%#x) GetBitmapBits(%#x, %#x, %#x)=%i",
                  hCursor, bitmap, buf_size, addressof(buf), r)
        if not r:
            cursorlog.error("Error: failed to copy screen bitmap data")
            return None
        elif r != buf_size:
            cursorlog.warn(
                "Warning: invalid cursor buffer size, got %i bytes but expected %i",
                r, buf_size)
            return None
        else:
            #32-bit data:
            pixels = bytearray(strtobytes(buf.raw))
            has_alpha = False
            has_pixels = False
            for i in range(len(pixels) // 4):
                has_pixels = has_pixels or pixels[i * 4] != 0 or pixels[
                    i * 4 + 1] != 0 or pixels[i * 4 + 2] != 0
                has_alpha = has_alpha or pixels[i * 4 + 3] != 0
                if has_pixels and has_alpha:
                    break
            if has_pixels and not has_alpha:
                #generate missing alpha - don't ask me why
                for i in range(len(pixels) // 4):
                    if pixels[i * 4] != 0 or pixels[i * 4 +
                                                    1] != 0 or pixels[i * 4 +
                                                                      2] != 0:
                        pixels[i * 4 + 3] = 0xff
        return [0, 0, w, h, x, y, hCursor, bytes(pixels), strtobytes(name)]
    except Exception as e:
        cursorlog("get_cursor_data(%#x)", hCursor, exc_info=True)
        cursorlog.error("Error: failed to grab cursor:")
        cursorlog.error(" %s", str(e) or type(e))
        return None
    finally:
        if old_handle:
            SelectObject(memdc, old_handle)
        if bitmap:
            DeleteObject(bitmap)
        if memdc:
            DeleteDC(memdc)
        if dc:
            ReleaseDC(None, dc)