From fc72c861859feec3f0cf365392cfc60550a4c45a Mon Sep 17 00:00:00 2001
From: don bright <hugh.m.bright@gmail.com>
Date: Sat, 26 Jan 2013 22:43:06 +0100
Subject: windows needs binary-mode set for exporting png


diff --git a/src/OffscreenContext.h b/src/OffscreenContext.h
index 0c700b6..3fd8921 100644
--- a/src/OffscreenContext.h
+++ b/src/OffscreenContext.h
@@ -5,7 +5,6 @@
 // Objective-C with C++, it is a bit different than what's found in a textbook.
 
 #include <iostream>
-#include <fstream>
 #include <string>
 #include "fbo.h"
 
diff --git a/src/OffscreenContextAll.hpp b/src/OffscreenContextAll.hpp
index 1c73b73..b0df83d 100644
--- a/src/OffscreenContextAll.hpp
+++ b/src/OffscreenContextAll.hpp
@@ -1,5 +1,5 @@
-// Functions shared by OffscreenContext[platform].cc (or .mm)
-// #include directly after definition of struct OffscreenContext.
+// Functions shared by OffscreenContext[platform].cc
+// #include this directly after definition of struct OffscreenContext.
 
 void bind_offscreen_context(OffscreenContext *ctx)
 {
@@ -11,7 +11,7 @@ void bind_offscreen_context(OffscreenContext *ctx)
 */
 bool save_framebuffer(OffscreenContext *ctx, const char *filename)
 {
-  std::ofstream fstream(filename);
+  std::ofstream fstream(filename,std::ios::out|std::ios::binary);
   if (!fstream.is_open()) {
     std::cerr << "Can't open file " << filename << " for writing";
     return false;
diff --git a/src/OffscreenContextCGL.mm b/src/OffscreenContextCGL.mm
index c6d76ab..ab3cc1b 100644
--- a/src/OffscreenContextCGL.mm
+++ b/src/OffscreenContextCGL.mm
@@ -113,7 +113,7 @@ bool teardown_offscreen_context(OffscreenContext *ctx)
 */
 bool save_framebuffer(OffscreenContext *ctx, const char *filename)
 {
-        std::ofstream fstream(filename);
+        std::ofstream fstream(filename,std::ios::out|std::ios::binary);
         if (!fstream.is_open()) {
                 PRINTB("Can't open file \"%s\" for writing", filename);
                 return false;
diff --git a/src/OffscreenContextGLX.cc b/src/OffscreenContextGLX.cc
index ef26ce7..84bcf0e 100644
--- a/src/OffscreenContextGLX.cc
+++ b/src/OffscreenContextGLX.cc
@@ -45,7 +45,6 @@ See Also
 #include <GL/glx.h>
 
 #include <assert.h>
-#include <fstream>
 #include <sstream>
 
 #include <sys/utsname.h> // for uname
diff --git a/src/imageutils-macosx.cc b/src/imageutils-macosx.cc
index 5236b76..2fcdb93 100644
--- a/src/imageutils-macosx.cc
+++ b/src/imageutils-macosx.cc
@@ -1,6 +1,7 @@
 #include <ApplicationServices/ApplicationServices.h>
 #include <CGDataConsumer.h>
 #include "imageutils.h"
+#include <assert.h>
 
 CGDataConsumerCallbacks dc_callbacks;
 
diff --git a/src/imageutils.cc b/src/imageutils.cc
index eaab3b7..133eaf1 100644
--- a/src/imageutils.cc
+++ b/src/imageutils.cc
@@ -11,7 +11,7 @@ void flip_image(const unsigned char *src, unsigned char *dst, size_t pixelsize,
 }
 
 bool write_png(const char *filename, unsigned char *pixels, int width, int height) {
-  std::ofstream fstream( filename );
+  std::ofstream fstream( filename, std::ios::binary );
   if (fstream.is_open()) {
     write_png( fstream, pixels, width, height );
     fstream.close();
diff --git a/src/openscad.cc b/src/openscad.cc
index f796136..0770558 100644
--- a/src/openscad.cc
+++ b/src/openscad.cc
@@ -386,7 +386,7 @@ int main(int argc, char **argv)
 			}
 
 			if (png_output_file) {
-				std::ofstream fstream(png_output_file);
+				std::ofstream fstream(png_output_file,std::ios::out|std::ios::binary);
 				if (!fstream.is_open()) {
 					PRINTB("Can't open file \"%s\" for export", png_output_file);
 				}
-- 
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