javax.imageio.plugins.tiff.BaselineTIFFTagSet#COMPRESSION_CCITT_RLE源码实例Demo

下面列出了javax.imageio.plugins.tiff.BaselineTIFFTagSet#COMPRESSION_CCITT_RLE 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： Bytecoder 文件： TIFFFaxDecompressor.java

/**
 * Invokes the superclass method and then sets instance variables on
 * the basis of the metadata set on this decompressor.
 */
public void beginDecoding() {
    super.beginDecoding();

    if(metadata instanceof TIFFImageMetadata) {
        TIFFImageMetadata tmetadata = (TIFFImageMetadata)metadata;
        TIFFField f;

        f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_FILL_ORDER);
        this.fillOrder = f == null ?
           BaselineTIFFTagSet.FILL_ORDER_LEFT_TO_RIGHT : f.getAsInt(0);

        f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
        this.compression = f == null ?
            BaselineTIFFTagSet.COMPRESSION_CCITT_RLE : f.getAsInt(0);

        f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_T4_OPTIONS);
        this.t4Options = f == null ? 0 : f.getAsInt(0);
        this.oneD = (t4Options & 0x01);
        // uncompressedMode - haven't dealt with this yet.
        this.uncompressedMode = ((t4Options & 0x02) >> 1);
        this.fillBits = ((t4Options & 0x04) >> 2);
        f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_T6_OPTIONS);
        this.t6Options = f == null ? 0 : f.getAsInt(0);
    } else {
        this.fillOrder = BaselineTIFFTagSet.FILL_ORDER_LEFT_TO_RIGHT;

        this.compression = BaselineTIFFTagSet.COMPRESSION_CCITT_RLE; // RLE

        this.t4Options = 0; // Irrelevant as applies to T.4 only
        this.oneD = 0; // One-dimensional
        this.uncompressedMode = 0; // Not uncompressed mode
        this.fillBits = 0; // No fill bits
        this.t6Options = 0;
    }
}

源代码2 项目： Bytecoder 文件： TIFFFaxDecompressor.java

public void decodeRaw(byte[] b, int dstOffset,
                      int pixelBitStride, // will always be 1
                      int scanlineStride) throws IOException {

    this.buffer = b;

    this.w = srcWidth;
    this.h = srcHeight;
    this.bitsPerScanline = scanlineStride*8;
    this.lineBitNum = 8*dstOffset;

    this.data = new byte[byteCount];
    this.bitPointer = 0;
    this.bytePointer = 0;
    this.prevChangingElems = new int[w + 1];
    this.currChangingElems = new int[w + 1];

    stream.seek(offset);
    stream.readFully(data);

    if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_RLE) {
        decodeRLE();
    } else if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_T_4) {
        decodeT4();
    } else if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_T_6) {
        this.uncompressedMode = ((t6Options & 0x02) >> 1);
        decodeT6();
    } else {
        throw new IIOException("Unknown compression type " + compression);
    }
}

源代码3 项目： openjdk-jdk9 文件： TIFFFaxDecompressor.java

/**
 * Invokes the superclass method and then sets instance variables on
 * the basis of the metadata set on this decompressor.
 */
public void beginDecoding() {
    super.beginDecoding();

    if(metadata instanceof TIFFImageMetadata) {
        TIFFImageMetadata tmetadata = (TIFFImageMetadata)metadata;
        TIFFField f;

        f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_FILL_ORDER);
        this.fillOrder = f == null ?
           BaselineTIFFTagSet.FILL_ORDER_LEFT_TO_RIGHT : f.getAsInt(0);

        f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
        this.compression = f == null ?
            BaselineTIFFTagSet.COMPRESSION_CCITT_RLE : f.getAsInt(0);

        f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_T4_OPTIONS);
        this.t4Options = f == null ? 0 : f.getAsInt(0);
        this.oneD = (t4Options & 0x01);
        // uncompressedMode - haven't dealt with this yet.
        this.uncompressedMode = ((t4Options & 0x02) >> 1);
        this.fillBits = ((t4Options & 0x04) >> 2);
        f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_T6_OPTIONS);
        this.t6Options = f == null ? 0 : f.getAsInt(0);
    } else {
        this.fillOrder = BaselineTIFFTagSet.FILL_ORDER_LEFT_TO_RIGHT;

        this.compression = BaselineTIFFTagSet.COMPRESSION_CCITT_RLE; // RLE

        this.t4Options = 0; // Irrelevant as applies to T.4 only
        this.oneD = 0; // One-dimensional
        this.uncompressedMode = 0; // Not uncompressed mode
        this.fillBits = 0; // No fill bits
        this.t6Options = 0;
    }
}

源代码4 项目： openjdk-jdk9 文件： TIFFFaxDecompressor.java

public void decodeRaw(byte[] b, int dstOffset,
                      int pixelBitStride, // will always be 1
                      int scanlineStride) throws IOException {

    this.buffer = b;

    this.w = srcWidth;
    this.h = srcHeight;
    this.bitsPerScanline = scanlineStride*8;
    this.lineBitNum = 8*dstOffset;

    this.data = new byte[byteCount];
    this.bitPointer = 0;
    this.bytePointer = 0;
    this.prevChangingElems = new int[w + 1];
    this.currChangingElems = new int[w + 1];

    stream.seek(offset);
    stream.readFully(data);

    if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_RLE) {
        decodeRLE();
    } else if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_T_4) {
        decodeT4();
    } else if (compression == BaselineTIFFTagSet.COMPRESSION_CCITT_T_6) {
        this.uncompressedMode = ((t6Options & 0x02) >> 1);
        decodeT6();
    } else {
        throw new IIOException("Unknown compression type " + compression);
    }
}

源代码5 项目： Bytecoder 文件： TIFFRLECompressor.java

public TIFFRLECompressor() {
    super("CCITT RLE", BaselineTIFFTagSet.COMPRESSION_CCITT_RLE, true);
}

源代码6 项目： openjdk-jdk9 文件： TIFFRLECompressor.java

public TIFFRLECompressor() {
    super("CCITT RLE", BaselineTIFFTagSet.COMPRESSION_CCITT_RLE, true);
}

方法所在类

javax.imageio.plugins.tiff.BaselineTIFFTagSet