(svn r17909) -Fix: 32bpp BMP screenshots were in wrong colours on big endian machines

1 files changed, 9 insertions, 0 deletions

diff --git a/src/screenshot.cpp b/src/screenshot.cpp
index ea73c1f58..0fa309d11 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) {