clampRGBAValue    242 Source/platform/graphics/filters/FEConvolveMatrix.cpp     unsigned char maxAlpha = preserveAlphaValues ? 255 : clampRGBAValue(totals[3] / divisor + bias);
clampRGBAValue    244 Source/platform/graphics/filters/FEConvolveMatrix.cpp         image->set(pixel++, clampRGBAValue(totals[i] / divisor + bias, maxAlpha));