Windows compatibility #19

Hide WebP format and normalise option

Separate test runners for node and iojs

src/resize.cc

@@ -708,6 +708,7 @@ class ResizeWorker : public NanAsyncWorker {
       image = gammaDecoded;
     }
 
+#ifndef _WIN32
     // Apply normalization
     if (baton->normalize) {
       VipsInterpretation typeBeforeNormalize = image->Type;
@@ -787,6 +788,7 @@ class ResizeWorker : public NanAsyncWorker {
         image = normalized;
       }
     }
+#endif
 
     // Convert image to sRGB, if not already
     if (image->Type != VIPS_INTERPRETATION_sRGB) {

src/sharp.cc

@@ -8,6 +8,10 @@
 #include "resize.h"
 #include "utilities.h"
 
+#ifdef _WIN64
+#error Windows 64-bit currently unsupported - see https://github.com/lovell/sharp#windows
+#endif
+
 extern "C" void init(v8::Handle<v8::Object> target) {
   NanScope();
   vips_init("sharp");