From 86c40a17a95610fda7631bc203ee54c3f3ab8b93 Mon Sep 17 00:00:00 2001
From: smatz <smatz@openttd.org>
Date: Fri, 30 Oct 2009 23:43:44 +0000
Subject: [PATCH] (svn r17909) -Fix: 32bpp BMP screenshots were in wrong
 colours on big endian machines

---
 src/screenshot.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/screenshot.cpp b/src/screenshot.cpp
index ea73c1f58b..0fa309d115 100644
--- a/src/screenshot.cpp
+++ b/src/screenshot.cpp
@@ -143,6 +143,15 @@ static bool MakeBmpImage(char *name, ScreenshotCallback *callb, void *userdata,
 		/* render the pixels */
 		callb(userdata, buff, h, padw, n);
 
+#if TTD_ENDIAN == TTD_BIG_ENDIAN
+		if (pixelformat == 32) {
+			/* Data stored in BMP are always little endian,
+			 * but we have big endian data in buffer */
+			uint32 *buff32 = (uint32 *)buff;
+			for (i = 0; i < padw * n; i++) buff32[i] = BSWAP32(buff32[i]);
+		}
+#endif
+
 		/* write each line */
 		while (n)
 			if (fwrite(buff + (--n) * padw * bpp, padw * bpp, 1, f) != 1) {