clearSoftMask    1872 lib/pdf/BitmapOutputDev.cc void BitmapOutputDev::clearSoftMask(GfxState *state)
clearSoftMask     587 lib/pdf/FullBitmapOutputDev.cc void FullBitmapOutputDev::clearSoftMask(GfxState *state)
clearSoftMask    2809 lib/pdf/GFXOutputDev.cc void GFXOutputDev::clearSoftMask(GfxState *state)
clearSoftMask    2703 lib/pdf/xpdf/SplashOutputDev.cc void SplashOutputDev::clearSoftMask(GfxState *state) {