update bundled_deps

bundled_deps/libigl/igl/png/texture_from_file.cpp

@@ -0,0 +1,61 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+//
+// Copyright (C) 2014 Alec Jacobson <alecjacobson@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/.
+#include "texture_from_file.h"
+
+#include "texture_from_png.h"
+#include "../STR.h"
+#include "../pathinfo.h"
+#include "../opengl/report_gl_error.h"
+//#include "../opengl2/texture_from_tga.h"
+#include <string>
+#include <algorithm>
+#include <iostream>
+
+IGL_INLINE bool igl::png::texture_from_file(const std::string filename, GLuint & id)
+{
+  using namespace igl::opengl;
+  using namespace std;
+  // dirname, basename, extension and filename
+  string d,b,ext,f;
+  pathinfo(filename,d,b,ext,f);
+  // Convert extension to lower case
+  transform(ext.begin(), ext.end(), ext.begin(), ::tolower);
+  //if(ext == "tga")
+  //{
+  //  return texture_from_tga(filename,id);
+  //}else 
+  if(ext == "png")
+  {
+    return texture_from_png(filename,id);
+  }else
+  {
+#ifdef __APPLE__
+    // Convert to a temporary png file
+    string tmp = "/var/tmp/.texture_from_file.png";
+#define PATH_TO_CONVERT "/opt/local/bin/convert"
+    string command = STR(PATH_TO_CONVERT<<" \""<<filename<<"\" \""<<tmp<<"\"");
+    try
+    {
+      if(system(command.c_str())==0)
+      {
+        return texture_from_file(tmp.c_str(),id);
+      }else
+      {
+        cerr<<"texture_from_file: calling to convert ('"<<command<<"') failed..."<<endl;
+        return false;
+      }
+    }catch(int e)
+    {
+      cerr<<"^"<<__FUNCTION__<<": Calling to convert crashed..."<<endl;
+      return false;
+    }
+#else
+    return false;
+#endif
+  }
+}