public void write()

in src/main/java/org/apache/xmlgraphics/util/io/RunLengthEncodeOutputStream.java [58:136]


    public void write(byte b)
        throws java.io.IOException {
        runBuffer[runCount] = b;

        switch (runCount) {
        case 0:
            runCount = 0;
            isSequence = NOT_IDENTIFY_SEQUENCE;
            runCount++;
            break;
        case 1:
            if (runBuffer[runCount] != runBuffer[runCount - 1]) {
                isSequence = NOT_IN_SEQUENCE;
            }
            runCount++;
            break;
        case 2:
            if (runBuffer[runCount] != runBuffer[runCount - 1]) {
                isSequence = NOT_IN_SEQUENCE;
            } else {
                if (isSequence == NOT_IN_SEQUENCE) {
                    isSequence = START_SEQUENCE;
                } else {
                    isSequence = IN_SEQUENCE;
                }
            }
            runCount++;
            break;
        case MAX_SEQUENCE_COUNT:
            if (isSequence == IN_SEQUENCE) {
                out.write(BYTE_MAX - (MAX_SEQUENCE_COUNT - 1));
                out.write(runBuffer[runCount - 1]);
                runBuffer[0] = runBuffer[runCount];
                runCount = 1;
            } else {
                out.write(MAX_SEQUENCE_COUNT);
                out.write(runBuffer, 0, runCount + 1);
                runCount = 0;
            }
            isSequence = NOT_IDENTIFY_SEQUENCE;
            break;
        default:
            switch (isSequence) {
            case NOT_IN_SEQUENCE:
                if (runBuffer[runCount] == runBuffer[runCount - 1]) {
                    isSequence = START_SEQUENCE;
                }
                runCount++;
                break;
            case START_SEQUENCE:
                if (runBuffer[runCount] == runBuffer[runCount - 1]) {
                    out.write(runCount - 3);
                    out.write(runBuffer, 0, runCount - 2);
                    runBuffer[0] = runBuffer[runCount];
                    runBuffer[1] = runBuffer[runCount];
                    runBuffer[2] = runBuffer[runCount];
                    runCount = 3;
                    isSequence = IN_SEQUENCE;
                    break;
                } else {
                    isSequence = NOT_IN_SEQUENCE;
                    runCount++;
                    break;
                }
            case IN_SEQUENCE:
            default:
                if (runBuffer[runCount] != runBuffer[runCount - 1]) {
                    out.write(BYTE_MAX - (runCount - 1));
                    out.write(runBuffer[runCount - 1]);
                    runBuffer[0] = runBuffer[runCount];
                    runCount = 1;
                    isSequence = NOT_IDENTIFY_SEQUENCE;
                    break;
                }
                runCount++;
                break;
            }
        }
    }