private static void blitUnshifted()

in src/main/java/org/apache/pdfbox/jbig2/image/Bitmaps.java [594:626]

32 lines of code
8 McCabe index (conditional complexity)


    private static void blitUnshifted(Bitmap src, Bitmap dst, int startLine, int lastLine,
            int dstStartIdx, int srcStartIdx, int srcEndIdx, CombinationOperator op)
    {
        final int length = srcEndIdx - srcStartIdx + 1; // srcEndIdx is inclusive 
        int srcStartOffset = srcStartIdx;
        int dstStartOffset = dstStartIdx;
        for ( int lines = lastLine - startLine; lines > 0; lines-- ) 
        {
            int srcIdx = srcStartOffset;
            int dstIdx = dstStartOffset;
            int count = length;
            // Go through the bytes in a line of the Symbol
            switch (op) 
            {
                case OR:   
                case AND:  
                case XOR:  
                case XNOR: 
                    while ( count-- > 0 ) 
                    {
                        dst.setByte(dstIdx, combineBytes(src.getByte(srcIdx++), dst.getByte(dstIdx++), op));
                    }
                    break;
                case REPLACE:
                    Bitmap.arraycopy(src, srcIdx, dst, dstIdx, count);
                    break;
                default:
                    break;
            }
            srcStartOffset += src.getRowStride();
            dstStartOffset += dst.getRowStride();
        }
    }