viewer compiles on windows

Former-commit-id: 50416bfbb1e7a08426351b8a4bf79c2ff2d81b38

include/igl/file_dialog_open.cpp

@@ -46,12 +46,12 @@ IGL_INLINE std::string igl::file_dialog_open()
   ZeroMemory(&ofn, sizeof(ofn));
   ofn.lStructSize = sizeof(ofn);
   ofn.hwndOwner = NULL;//hwnd;
-  ofn.lpstrFile = new wchar_t[100];
+  ofn.lpstrFile = new char[100];
   // Set lpstrFile[0] to '\0' so that GetOpenFileName does not 
   // use the contents of szFile to initialize itself.
   ofn.lpstrFile[0] = '\0';
   ofn.nMaxFile = sizeof(szFile);
-  ofn.lpstrFilter = L"*.*\0";//off\0*.off\0obj\0*.obj\0mp\0*.mp\0";
+  ofn.lpstrFilter = "*.*\0";//off\0*.off\0obj\0*.obj\0mp\0*.mp\0";
   ofn.nFilterIndex = 1;
   ofn.lpstrFileTitle = NULL;
   ofn.nMaxFileTitle = 0;

include/igl/file_dialog_save.cpp

@@ -48,12 +48,12 @@ IGL_INLINE std::string igl::file_dialog_save()
   ZeroMemory(&ofn, sizeof(ofn));
   ofn.lStructSize = sizeof(ofn);
   ofn.hwndOwner = NULL;//hwnd;
-  ofn.lpstrFile = new wchar_t[100];
+  ofn.lpstrFile = new char[100];
   // Set lpstrFile[0] to '\0' so that GetOpenFileName does not 
   // use the contents of szFile to initialize itself.
   ofn.lpstrFile[0] = '\0';
   ofn.nMaxFile = sizeof(szFile);
-  ofn.lpstrFilter = L"";
+  ofn.lpstrFilter = "";
   ofn.nFilterIndex = 1;
   ofn.lpstrFileTitle = NULL;
   ofn.nMaxFileTitle = 0;

include/igl/viewer/Viewer.cpp

@@ -1,5 +1,12 @@
 #include "Viewer.h"
 
+#ifdef _WIN32
+#  include <windows.h>
+#  undef max
+#  undef min
+#  include <GL/glew.h>
+#endif
+
 #ifdef __APPLE__
 #   include <OpenGL/gl3.h>
 #   define __gl_h_ /* Prevent inclusion of the old gl.h */
@@ -15,13 +22,6 @@
 #define GLFW_INCLUDE_GLU
 #include <GLFW/glfw3.h>
 
-#ifdef _WIN32
-#  include <windows.h>
-#  undef max
-#  undef min
-#  include <GL/glew.h>
-#endif
-
 #include <cmath>
 #include <cstdio>
 #include <sstream>
@@ -2326,7 +2326,19 @@ namespace igl
       glfwTerminate();
       exit(EXIT_FAILURE);
     }
-    glfwMakeContextCurrent(window);
+
+	glfwMakeContextCurrent(window);
+
+#ifdef _WIN32
+	glewExperimental = true;
+	GLenum err = glewInit();
+	if (GLEW_OK != err)
+	{
+		/* Problem: glewInit failed, something is seriously wrong. */
+		fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
+	}
+	fprintf(stdout, "Status: Using GLEW %s\n", glewGetString(GLEW_VERSION));
+#endif
 
     #ifdef DEBUG
       int major, minor, rev;

include/igl/viewer/Viewer.h

@@ -7,6 +7,7 @@
 
 #include <vector>
 #include <string>
+#include <cstdint>
 
 #define IGL_MOD_SHIFT           0x0001
 #define IGL_MOD_CONTROL         0x0002

tutorial/cmake/FindANTTWEAKBAR.cmake

@@ -7,6 +7,26 @@
 # ANT_TWEAK_BAR_LIBRARY
 #
 
+IF (WIN32)
+	IF( CMAKE_SIZEOF_VOID_P EQUAL 8 )
+	  SET( BITS "64" )
+    ELSE( CMAKE_SIZEOF_VOID_P EQUAL 8 )
+      SET( BITS "" )
+    ENDIF( CMAKE_SIZEOF_VOID_P EQUAL 8 )
+	
+	FIND_PATH( ANT_TWEAK_BAR_INCLUDE_DIR AntTweakBar.h
+      PATHS
+		${PROJECT_SOURCE_DIR}/../../external/AntTweakBar/include
+		$ENV{ANT_TWEAK_BAR_ROOT}/include
+		DOC "The directory where AntTweakBar.h resides")
+
+    FIND_LIBRARY( ANT_TWEAK_BAR_LIBRARY AntTweakBar${BITS}
+        PATHS
+		${PROJECT_SOURCE_DIR}/../../external/AntTweakBar/lib
+        $ENV{ANT_TWEAK_BAR_ROOT}/lib
+        DOC "The AntTweakBar library")
+ELSE (WIN32)
+
 FIND_PATH(ANT_TWEAK_BAR_INCLUDE_DIR AntTweakBar.h
       PATHS
 	    ${PROJECT_SOURCE_DIR}/../libigl/external/AntTweakBar/include/
@@ -16,8 +36,6 @@ FIND_PATH(ANT_TWEAK_BAR_INCLUDE_DIR AntTweakBar.h
       /usr/include
       NO_DEFAULT_PATH)
 
-set(ANT_TWEAK_BAR_INCLUDE_DIR ${ANT_TWEAK_BAR_INCLUDE_DIR} ${ANT_TWEAK_BAR_INCLUDE_DIR}/../src/)
-
 FIND_LIBRARY( ANT_TWEAK_BAR_LIBRARY AntTweakBar
   PATHS
 		${PROJECT_SOURCE_DIR}/../libigl/external/AntTweakBar/lib
@@ -33,6 +51,10 @@ FIND_LIBRARY( ANT_TWEAK_BAR_LIBRARY AntTweakBar
     NO_DEFAULT_PATH
 )
 
+ENDIF (WIN32)
+
+set(ANT_TWEAK_BAR_INCLUDE_DIR ${ANT_TWEAK_BAR_INCLUDE_DIR} ${ANT_TWEAK_BAR_INCLUDE_DIR}/../src/)
+
 # message(FATAL_ERROR ${ANT_TWEAK_BAR_LIBRARY})
 
 if(ANT_TWEAK_BAR_INCLUDE_DIR AND ANT_TWEAK_BAR_LIBRARY)

tutorial/cmake/FindEIGEN.cmake

@@ -65,6 +65,7 @@ else ()
       PATHS
       ${CMAKE_INSTALL_PREFIX}/include
       ${KDE4_INCLUDE_DIR}
+	  ${PROJECT_SOURCE_DIR}/../../../Eigen
       PATH_SUFFIXES eigen3 eigen
     )
 

tutorial/cmake/FindGLFW.cmake

@@ -20,6 +20,7 @@ FIND_PATH(GLFW_INCLUDE_DIR GLFW/glfw3.h
 FIND_LIBRARY( GLFW_LIBRARIES NAMES glfw glfw3
   PATHS
     ${PROJECT_SOURCE_DIR}/../../external/glfw/src
+	${PROJECT_SOURCE_DIR}/../../external/glfw/lib/x64
     /usr/local
     /usr/X11
     /usr