--- oo/vcl/unx/source/gdi/salgdi2.cxx.orig	Fri May 23 18:44:38 2003
+++ oo/vcl/unx/source/gdi/salgdi2.cxx	Fri May 23 18:50:05 2003
@@ -410,8 +410,8 @@
 		Scanline			mpScanAccess;
 		sal_Int32			mnScanOffset;
 
-		sal_uInt32			ColorOf (BitmapColor& rColor) const;
-		sal_uInt8			GrayOf  (BitmapColor& rColor) const;
+		sal_uInt32			ColorOf (const BitmapColor& rColor) const;
+		sal_uInt8			GrayOf  (const BitmapColor& rColor) const;
 
 							SalPrinterBmp ();
 
@@ -536,7 +536,7 @@
 }
 
 sal_uInt32
-SalPrinterBmp::ColorOf (BitmapColor& rColor) const
+SalPrinterBmp::ColorOf (const BitmapColor& rColor) const
 {
 	if (rColor.IsIndex())
 		return ColorOf (mpBmpBuffer->maPalette[rColor.GetIndex()]);
@@ -547,7 +547,7 @@
 }
 
 sal_uInt8
-SalPrinterBmp::GrayOf (BitmapColor& rColor) const
+SalPrinterBmp::GrayOf (const BitmapColor& rColor) const
 {
 	if (rColor.IsIndex())
 		return GrayOf (mpBmpBuffer->maPalette[rColor.GetIndex()]);
@@ -573,7 +573,7 @@
 SalPrinterBmp::GetPixelRGB (sal_uInt32 nRow, sal_uInt32 nColumn) const
 {
 	Scanline pScan = mpScanAccess + nRow * mnScanOffset;
-	BitmapColor& aColor = mpFncGetPixel (pScan, nColumn, mpBmpBuffer->maColorMask);
+	const BitmapColor& aColor = mpFncGetPixel (pScan, nColumn, mpBmpBuffer->maColorMask);
 
 	return ColorOf (aColor);
 }
@@ -582,7 +582,7 @@
 SalPrinterBmp::GetPixelGray (sal_uInt32 nRow, sal_uInt32 nColumn) const
 {
 	Scanline pScan = mpScanAccess + nRow * mnScanOffset;
-	BitmapColor& aColor = mpFncGetPixel (pScan, nColumn, mpBmpBuffer->maColorMask);
+	const BitmapColor& aColor = mpFncGetPixel (pScan, nColumn, mpBmpBuffer->maColorMask);
 
 	return GrayOf (aColor);
 }
@@ -591,7 +591,7 @@
 SalPrinterBmp::GetPixelIdx (sal_uInt32 nRow, sal_uInt32 nColumn) const
 {
 	Scanline pScan = mpScanAccess + nRow * mnScanOffset;
-	BitmapColor& aColor = mpFncGetPixel (pScan, nColumn, mpBmpBuffer->maColorMask);
+	const BitmapColor& aColor = mpFncGetPixel (pScan, nColumn, mpBmpBuffer->maColorMask);
 
 	if (aColor.IsIndex())
 		return aColor.GetIndex();