1 files changed, 23 insertions, 0 deletions
diff --git a/src/png-file.h b/src/png-file.h
new file mode 100644
index 0000000..48e57ac
--- /dev/null
+++ b/src/png-file.h
@@ -0,0 +1,23 @@
+/*
+ * png-file.h
+ *
+ * PNG output
+ *
+ * (c) 2006-2007 Thomas White <taw27@cam.ac.uk>
+ *
+ *  synth2d - Two-Dimensional Crystallographic Fourier Synthesis
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifndef PNGFILE_H
+#define PNGFILE_H
+
+#include <fftw3.h>
+
+extern int png_write(const char *filename, fftw_complex *out, double norm, int nx, int ny);
+
+#endif	/* PNGFILE_H */