Prepare for Windows

.Rbuildignore

@@ -3,3 +3,4 @@
 ^src/Makevars$
 .travis.yml
 appveyor.yml
+^windows

.gitignore

@@ -4,5 +4,7 @@
 *.o
 *.a
 *.so
+*.dll
 *.png
 src/Makevars
+windows

src/Makevars.win

@@ -0,0 +1,18 @@
+PKG_CPPFLAGS=-I../windows/imagemagick-7.0.2.2/include/ImageMagick-7
+PKG_CXXFLAGS=-DMAGICKCORE_HDRI_ENABLE=0 -DMAGICKCORE_QUANTUM_DEPTH=16
+CXX_STD=CXX11
+
+PKG_LIBS= -L../windows/imagemagick-7.0.2.2/lib${R_ARCH} \
+  -lMagick++-7.Q16 -lMagickWand-7.Q16 -lMagickCore-7.Q16 \
+  -lpng -ljpeg -ltiff -ltiffxx -lfreetype -lharfbuzz \
+  -llzma -lbz2 -lz -lgdi32 -lws2_32 -lOleAut32
+
+all: clean
+
+clean:
+	rm -f $(OBJECTS) $(SHLIB)
+
+winlibs: clean
+	"${R_HOME}/bin${R_ARCH_BIN}/Rscript.exe" "../tools/winlibs.R"
+
+.PHONY: all winlibs clean

src/convert.cc

@@ -1,18 +1,16 @@
-#include <Magick++.h>
 #include <Rcpp.h>
+#include <Magick++.h>
 #include <iostream>
-using namespace std;
-using namespace Magick;
 
 // [[Rcpp::export]]
 Rcpp::RawVector convert_to(Rcpp::RawVector x, Rcpp::String to){
   //Magick::InitializeMagick();
-  Blob input( x.begin(), x.length());
-  Image image( input );
-  Blob output;
+  Magick::Blob input( x.begin(), x.length());
+  Magick::Image image( input );
+  Magick::Blob output;
   image.magick( to ); // Set JPEG output format
   image.write( &output );
   Rcpp::RawVector res(output.length());
-  std::memcpy(res.begin(), output.data(), output.length());
+  memcpy(res.begin(), output.data(), output.length());
   return res;
 }