transparency with sorted primitives example, viewport class, lots more explicits

Former-commit-id: 7433f127da

examples/pathinfo/example.cpp

@@ -1,5 +1,6 @@
 #define VERBOSE
 #include <igl/pathinfo.h>
+#include <igl/C_STR.h>
 using namespace igl;
 #include <string>
 #include <cstdio>
@@ -16,16 +17,23 @@ int main(int argc, char * argv[])
     return 1;
   }
 
+  const char * format = "%-25s | %-10s %-10s %-10s %-10s\n";
+  printf(format,
+    "input",
+    "dirname",
+    "basename",
+    "extension",
+    "filename");
   string line;
   while( getline(fin, line) )
   {
     string dirname,basename,extension,filename;
     pathinfo(line,dirname,basename,extension,filename);
-    printf("%s -> %s,%s,%s,%s\n",
-      line.c_str(),
-      dirname.c_str(),
-      basename.c_str(),
-      extension.c_str(),
-      filename.c_str());
+    printf(format,
+      C_STR("\""<<line<<"\""),
+      C_STR("\""<<dirname<<"\""),
+      C_STR("\""<<basename<<"\""),
+      C_STR("\""<<extension<<"\""),
+      C_STR("\""<<filename<<"\""));
   }
 }