Merge pull request #288 from openscad/issue11_2

Issue11 2

1 files changed, 17 insertions, 0 deletions

diff --git a/src/imageutils-lodepng.cc b/src/imageutils-lodepng.cc
new file mode 100644
index 0000000..cd104d6
--- /dev/null
+++ b/src/imageutils-lodepng.cc
@@ -0,0 +1,17 @@
+#include "imageutils.h"
+#include "lodepng.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <vector>
+#include <iterator>
+#include <algorithm>
+
+bool write_png(std::ostream &output, unsigned char *pixels, int width, int height)
+{
+	std::vector<unsigned char> dataout;
+	unsigned err = lodepng::encode(dataout, pixels, width, height, LCT_RGBA, 8);
+	if ( err ) return false;
+	output.write( reinterpret_cast<const char *>(&dataout[0]), dataout.size());
+	if ( output.bad() ) std::cerr << "Error writing to ostream\n";
+	return output.good();
+}