Method LoadBackgroundImage

Descent3/newui.cpp:878–900

void NewUIWindow::OnDestroy() { bm_DestroyChunkedBitmap(&m_Chunk); }

void NewUIWindow::LoadBackgroundImage(const char *image_name) {
  UIBitmapItem back_bm;

  bm_DestroyChunkedBitmap(&m_Chunk);
  memset(&m_Chunk, 0, sizeof(m_Chunk));

  if (image_name) {
    int bm_handle = bm_AllocLoadFileBitmap(IGNORE_TABLE(image_name), 0);

    if (bm_handle <= BAD_BITMAP_HANDLE) {
      Error("Unable to load image %s for background.", image_name);
    }

    //	takes a large static bitmap and breaks it into smaller managable bitmaps
    if (!bm_CreateChunkedBitmap(bm_handle, &m_Chunk)) {
      Error("Failed to chunk background bitmap %s.", image_name);
    }

    back_bm.set_chunked_bitmap(&m_Chunk);
    UIWindow::SetBackItem(&back_bm);
    bm_FreeBitmap(bm_handle);
  }
}

///////////////////////////////////////////////////////////////////////////////
//	NewUIGameWindow implementation.