380             this->mNibbleMask = 0xf0;  in BitmapStretchStep()
411         if (this->mNibbleMask != 0xf0)  in BitmapStretchStep()
413             this->mNibbleMask = 0xf0;  in BitmapStretchStep()
784         mNibbleMask = 0xf0;  in ColorSpaceConvert()
814             if (mNibbleMask != 0xf0)  in ColorSpaceConvert()
817                 mNibbleMask = 0xf0;  in ColorSpaceConvert()
891         mNibbleMask = 0xf0;  in RleEncode()
936         if ((!mInputHasAlpha) && (mNibbleMask == 0x0f))  in RleEncode()
968         mNibbleMask = 0xf0;  in RleEncode()
2178             *put &= (GX_UBYTE)(~reader->mNibbleMask);  in WritePixel4bppgrayscale_transparent()
2179             if (reader->mNibbleMask & 0xf0)  in WritePixel4bppgrayscale_transparent()
2212         reader->mNibbleMask >>= 4;  in WritePixel4bppgrayscale_transparent()
2213         if (!reader->mNibbleMask)  in WritePixel4bppgrayscale_transparent()
2216             reader->mNibbleMask = 0xf0;  in WritePixel4bppgrayscale_transparent()
2243         *put &= (GX_UBYTE)(~reader->mNibbleMask);  in WritePixel4bppgrayscale()
2244         if (reader->mNibbleMask & 0xf0)  in WritePixel4bppgrayscale()
2254     reader->mNibbleMask >>= 4;  in WritePixel4bppgrayscale()
2255     if (!reader->mNibbleMask)  in WritePixel4bppgrayscale()
2258         reader->mNibbleMask = 0xf0;  in WritePixel4bppgrayscale()