DirectX based screen capturer logic

webrtc/modules/desktop_capture/win/cursor.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 92 matching lines @@
     }
     plane += stride - width;
   }
 
   return false;
 }
 
 }  // namespace
 
 MouseCursor* CreateMouseCursorFromHCursor(HDC dc, HCURSOR cursor) {
-  ICONINFO iinfo;
+  ICONINFO iinfo = { 0 };
   if (!GetIconInfo(cursor, &iinfo)) {
     LOG_F(LS_ERROR) << "Unable to get cursor icon info. Error = "
                     << GetLastError();
-    return NULL;
+    iinfo = { 0 };
+    assert(GetIconInfo(LoadCursor(nullptr, IDC_ARROW), &iinfo));
   }
 
   int hotspot_x = iinfo.xHotspot;
   int hotspot_y = iinfo.yHotspot;
 
   // Make sure the bitmaps will be freed.
   win::ScopedBitmap scoped_mask(iinfo.hbmMask);
   win::ScopedBitmap scoped_color(iinfo.hbmColor);
   bool is_color = iinfo.hbmColor != NULL;
 
@@ skipping 111 matching lines @@
 
   // Pre-multiply the resulting pixels since MouseCursor uses premultiplied
   // images.
   AlphaMul(reinterpret_cast<uint32_t*>(image->data()), width, height);
 
   return new MouseCursor(
       image.release(), DesktopVector(hotspot_x, hotspot_y));
 }
 
 }  // namespace webrtc