public static WritableRaster copyRaster()

in src/main/java/org/apache/xmlgraphics/image/GraphicsUtil.java [390:448]
56 lines of code
7 McCabe index (conditional complexity)

    public static WritableRaster copyRaster(Raster ras, int minX, int minY) {
        WritableRaster ret = Raster.createWritableRaster(
            ras.getSampleModel(),
             new Point(0, 0));
        ret = ret.createWritableChild(
            ras.getMinX() - ras.getSampleModelTranslateX(),
             ras.getMinY() - ras.getSampleModelTranslateY(),
             ras.getWidth(), ras.getHeight(),
             minX, minY, null);

        // Use System.arraycopy to copy the data between the two...
        DataBuffer srcDB = ras.getDataBuffer();
        DataBuffer retDB = ret.getDataBuffer();
        if (srcDB.getDataType() != retDB.getDataType()) {
            throw new IllegalArgumentException(
                "New DataBuffer doesn't match original");
        }
        int len   = srcDB.getSize();
        int banks = srcDB.getNumBanks();
        int [] offsets = srcDB.getOffsets();
        for (int b = 0; b < banks; b++) {
            switch (srcDB.getDataType()) {
            case DataBuffer.TYPE_BYTE: {
                DataBufferByte srcDBT = (DataBufferByte)srcDB;
                DataBufferByte retDBT = (DataBufferByte)retDB;
                System.arraycopy(srcDBT.getData(b), offsets[b],
                                 retDBT.getData(b), offsets[b], len);
                break;
            }
            case DataBuffer.TYPE_INT: {
                DataBufferInt srcDBT = (DataBufferInt)srcDB;
                DataBufferInt retDBT = (DataBufferInt)retDB;
                System.arraycopy(srcDBT.getData(b), offsets[b],
                                 retDBT.getData(b), offsets[b], len);
                break;
            }
            case DataBuffer.TYPE_SHORT: {
                DataBufferShort srcDBT = (DataBufferShort)srcDB;
                DataBufferShort retDBT = (DataBufferShort)retDB;
                System.arraycopy(srcDBT.getData(b), offsets[b],
                                 retDBT.getData(b), offsets[b], len);
                break;
            }
            case DataBuffer.TYPE_USHORT: {
                DataBufferUShort srcDBT = (DataBufferUShort)srcDB;
                DataBufferUShort retDBT = (DataBufferUShort)retDB;
                System.arraycopy(srcDBT.getData(b), offsets[b],
                                 retDBT.getData(b), offsets[b], len);
                break;
            }
            default:
                throw new
                    UnsupportedOperationException("unsupported data type: "
                                                  + srcDB.getDataType());
            }
        }

        return ret;
    }