1 files changed, 26 insertions, 0 deletions
diff --git a/src/imageutils-lodepng.cc b/src/imageutils-lodepng.cc
new file mode 100644
index 0000000..a034702
--- /dev/null
+++ b/src/imageutils-lodepng.cc
@@ -0,0 +1,26 @@
+#include "imageutils.h"
+#include "lodepng.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+bool write_png(std::ostream &output, unsigned char *pixels, int width, int height)
+{
+  //encoder.settings.zlibsettings.windowSize = 2048;
+  //LodePNG_Text_add(&encoder.infoPng.text, "Comment", "Created with LodePNG");
+  size_t dataout_size = -1;
+	bool result = false;
+  unsigned char *dataout = (unsigned char *)malloc(width*height*4);
+	if (!dataout) {
+		perror("Error allocating memory while writing png\n");
+		return result;
+	}
+  LodePNG_encode(&dataout, &dataout_size, pixels, width, height, LCT_RGBA, 8);
+	try {
+		output.write( reinterpret_cast<const char*>(dataout), dataout_size );
+		result = true;
+	} catch (const std::ios_base::failure &e) {
+    std::cerr << "Error writing to ostream:" << e.what() << "\n";
+	}
+	free( dataout );
+  return result;
+}