update bundled_deps

bundled_deps/libigl/igl/png/writePNG.h

@@ -0,0 +1,41 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+//
+// Copyright (C) 2016 Daniele Panozzo <daniele.panozzo@gmail.com>
+//
+// This Source Code Form is subject to the terms of the Mozilla Public License
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can
+// obtain one at http://mozilla.org/MPL/2.0/.
+#ifndef IGL_PNG_WRITE_PNG_H
+#define IGL_PNG_WRITE_PNG_H
+#include "../igl_inline.h"
+#include <Eigen/Core>
+#include <string>
+
+namespace igl
+{
+  namespace png
+  {
+    // Writes an image to a png file
+    //
+    // Input:
+    //  R,G,B,A texture channels
+    // Output:
+    //  png_file  path to .png file
+    // Returns true on success, false on failure
+    //
+    IGL_INLINE bool writePNG
+    (
+      const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& R,
+      const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& G,
+      const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& B,
+      const Eigen::Matrix<unsigned char,Eigen::Dynamic,Eigen::Dynamic>& A,
+      const std::string png_file
+    );
+  }
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "writePNG.cpp"
+#endif
+
+#endif