CINE: Turn some methods into const methods

svn-id: r44100

1 files changed, 3 insertions, 3 deletions

diff --git a/engines/cine/pal.h b/engines/cine/pal.h
index 60d39a0eae..d0621b4d9f 100644
--- a/engines/cine/pal.h
+++ b/engines/cine/pal.h
@@ -132,7 +132,7 @@ public:
 	 * \param rotationAmount Amount to rotate the sub-palette to the right. Only values 0 and 1 are currently supported!
 	 */
 	Palette &rotateRight(byte firstIndex, byte lastIndex, signed rotationAmount = 1);
-	Palette &saturatedAddColor(Palette& output, byte firstIndex, byte lastIndex, signed r, signed g, signed b);
+	Palette &saturatedAddColor(Palette& output, byte firstIndex, byte lastIndex, signed r, signed g, signed b) const;
 
 	/*! \brief Saturated add an RGB color in given color format to current palette's subset and save the modified colors in the given output palette.
 	 * \param output The output palette (Only this palette is modified)
@@ -145,7 +145,7 @@ public:
 	 * \note This function basically converts the given color to the palette's internal color format
 	 * and adds that using the normal saturatedAddColor-function.
 	 */
-	Palette &saturatedAddColor(Palette& output, byte firstIndex, byte lastIndex, signed rSource, signed gSource, signed bSource, const Graphics::PixelFormat &sourceFormat);
+	Palette &saturatedAddColor(Palette& output, byte firstIndex, byte lastIndex, signed rSource, signed gSource, signed bSource, const Graphics::PixelFormat &sourceFormat) const;
 
 	/*! \brief Saturated add a normalized gray value to current palette's subset and save the modified colors in the given output palette.
 	 * \param output The output palette (Only this palette is modified)
@@ -156,7 +156,7 @@ public:
 	 * \note The normalized gray value (i.e. in range [-1, +1]) is given as a fractional number
 	 * (i.e. the normalized gray value is calculated by dividing grayDividend by grayDenominator).
 	 */
-	Palette &saturatedAddNormalizedGray(Palette& output, byte firstIndex, byte lastIndex, signed grayDividend, signed grayDenominator);
+	Palette &saturatedAddNormalizedGray(Palette& output, byte firstIndex, byte lastIndex, signed grayDividend, signed grayDenominator) const;
 
 	bool empty() const;
 	uint colorCount() const;