diff -r 2a853d284a6a -r 64638385798a include/pixmap.h
--- a/include/pixmap.h	Thu May 15 19:15:57 2008 +0200
+++ b/include/pixmap.h	Mon May 19 22:59:04 2008 +0200
@@ -67,11 +67,19 @@
 
 	void setData(Float *afdata, int aw, int ah)
 		{ fdata = afdata; w = aw; h = ah; };
+
+	/** get colour of pixel x,y */
 	const Colour &get(int x, int y) const { return data[y*w + x]; };
 	const int &getWidth() const { return w; };
 	const int &getHeight() const { return h; };
+
+	/** get pixmap data as array of floats */
 	Float*& getFloatData() { return fdata; };
+
+	/** get pixmap data as array of chars */
 	unsigned char *getCharData() const;
+
+	/** write pixmap data to PNG file */
 	int writePNG(const char *fname) const;
 };