introduce msfilter::util::BGRToRGB to avoid copy&paste

Change-Id: Ic3fa8865bf3862407867b5e4a438e3d9bc723e86

2 files changed, 13 insertions, 0 deletions

diff --git a/filter/inc/filter/msfilter/util.hxx b/filter/inc/filter/msfilter/util.hxx
index 01ff3738b64a..2dc5fa7f3966 100644
--- a/filter/inc/filter/msfilter/util.hxx
+++ b/filter/inc/filter/msfilter/util.hxx
@@ -41,6 +41,8 @@ namespace util {
 /// what the encoding is, but you know or can guess the language
 MSFILTER_DLLPUBLIC rtl_TextEncoding getBestTextEncodingFromLocale(const ::com::sun::star::lang::Locale &rLocale);
 
+/// Convert a color in BGR format to RGB.
+MSFILTER_DLLPUBLIC sal_uInt32 BGRToRGB(sal_uInt32 nColour);
 }
 }
 
diff --git a/filter/source/msfilter/util.cxx b/filter/source/msfilter/util.cxx
index 76fe07c7aea8..03df8afb583a 100644
--- a/filter/source/msfilter/util.cxx
+++ b/filter/source/msfilter/util.cxx
@@ -51,6 +51,17 @@ rtl_TextEncoding getBestTextEncodingFromLocale(const ::com::sun::star::lang::Loc
     return RTL_TEXTENCODING_MS_1252;
 }
 
+sal_uInt32 BGRToRGB(sal_uInt32 nColor)
+{
+    sal_uInt8
+        r(static_cast<sal_uInt8>(nColor&0xFF)),
+        g(static_cast<sal_uInt8>(((nColor)>>8)&0xFF)),
+        b(static_cast<sal_uInt8>((nColor>>16)&0xFF)),
+        t(static_cast<sal_uInt8>((nColor>>24)&0xFF));
+    nColor = (t<<24) + (r<<16) + (g<<8) + b;
+    return nColor;
+}
+
 }
 }