Method DrawWithoutCompose

rEFIt_UEFI/libeg/XImage.cpp:493–529

}

void XImage::DrawWithoutCompose(INTN x, INTN y, UINTN width, UINTN height)
{
  if (isEmpty()) {
    return;
  }

  if ( width == 0 ) width = Width;
  if ( height == 0 ) height = Height;
  UINTN AreaWidth  = (x + width  > (UINTN)UGAWidth)  ? (x > UGAWidth  ? 0 : UGAWidth  - x) : width;
  UINTN AreaHeight = (y + height > (UINTN)UGAHeight) ? (y > UGAHeight ? 0 : UGAHeight - y) : height;

//  DBG("area=%d,%d\n", AreaWidth, AreaHeight);
  // prepare protocols
  EFI_STATUS Status;
  EFI_GUID UgaDrawProtocolGuid = EFI_UGA_DRAW_PROTOCOL_GUID;
  EFI_UGA_DRAW_PROTOCOL *UgaDraw = NULL;
  EFI_GUID GraphicsOutputProtocolGuid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
  EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput = NULL;

  Status = EfiLibLocateProtocol(&GraphicsOutputProtocolGuid, (VOID **)&GraphicsOutput);
  if (EFI_ERROR(Status)) {
    GraphicsOutput = NULL;
    Status = EfiLibLocateProtocol(&UgaDrawProtocolGuid, (VOID **)&UgaDraw);
    if (EFI_ERROR(Status))
      UgaDraw = NULL;
  }
  //output combined image
  if (GraphicsOutput != NULL) {
    GraphicsOutput->Blt(GraphicsOutput, (*this).GetPixelPtr(0, 0),
      EfiBltBufferToVideo,
      0, 0, x, y, AreaWidth, AreaHeight, GetWidth()*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
  }
  else if (UgaDraw != NULL) {
    UgaDraw->Blt(UgaDraw, (EFI_UGA_PIXEL *)(*this).GetPixelPtr(0, 0), EfiUgaBltBufferToVideo,
      0, 0, x, y, AreaWidth, AreaHeight, GetWidth()*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
  }
}

void XImage::Draw(INTN x, INTN y)
{