javax.imageio.plugins.tiff.TIFFField#getAsInt ( )源码实例Demo

下面列出了javax.imageio.plugins.tiff.TIFFField#getAsInt ( ) 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: TIFFT4Compressor.java
/**
 * Sets the value of the {@code metadata} field.
 *
 * <p> The implementation in this class also sets local options
 * from the T4_OPTIONS field if it exists, and if it doesn't, adds
 * it with default values.</p>
 *
 * @param metadata the {@code IIOMetadata} object for the
 * image being written.
 *
 * @see #getMetadata()
 */
public void setMetadata(IIOMetadata metadata) {
    super.setMetadata(metadata);

    if (metadata instanceof TIFFImageMetadata) {
        TIFFImageMetadata tim = (TIFFImageMetadata)metadata;
        TIFFField f = tim.getTIFFField(BaselineTIFFTagSet.TAG_T4_OPTIONS);
        if (f != null) {
            int options = f.getAsInt(0);
            is1DMode = (options & 0x1) == 0;
            isEOLAligned = (options & 0x4) == 0x4;
        } else {
            long[] oarray = new long[1];
            oarray[0] = (isEOLAligned ? 0x4 : 0x0) |
                (is1DMode ? 0x0 : 0x1);

            BaselineTIFFTagSet base = BaselineTIFFTagSet.getInstance();
            TIFFField T4Options =
              new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_T4_OPTIONS),
                            TIFFTag.TIFF_LONG,
                            1,
                            oarray);
            tim.rootIFD.addTIFFField(T4Options);
        }
    }
}
 
源代码2 项目: openjdk-jdk9   文件: TIFFT4Compressor.java
/**
 * Sets the value of the {@code metadata} field.
 *
 * <p> The implementation in this class also sets local options
 * from the T4_OPTIONS field if it exists, and if it doesn't, adds
 * it with default values.</p>
 *
 * @param metadata the {@code IIOMetadata} object for the
 * image being written.
 *
 * @see #getMetadata()
 */
public void setMetadata(IIOMetadata metadata) {
    super.setMetadata(metadata);

    if (metadata instanceof TIFFImageMetadata) {
        TIFFImageMetadata tim = (TIFFImageMetadata)metadata;
        TIFFField f = tim.getTIFFField(BaselineTIFFTagSet.TAG_T4_OPTIONS);
        if (f != null) {
            int options = f.getAsInt(0);
            is1DMode = (options & 0x1) == 0;
            isEOLAligned = (options & 0x4) == 0x4;
        } else {
            long[] oarray = new long[1];
            oarray[0] = (isEOLAligned ? 0x4 : 0x0) |
                (is1DMode ? 0x0 : 0x1);

            BaselineTIFFTagSet base = BaselineTIFFTagSet.getInstance();
            TIFFField T4Options =
              new TIFFField(base.getTag(BaselineTIFFTagSet.TAG_T4_OPTIONS),
                            TIFFTag.TIFF_LONG,
                            1,
                            oarray);
            tim.rootIFD.addTIFFField(T4Options);
        }
    }
}
 
源代码3 项目: Bytecoder   文件: TIFFImageWriter.java
public boolean canReplacePixels(int imageIndex) throws IOException {
    if (getOutput() == null) {
        throw new IllegalStateException("getOutput() == null!");
    }

    TIFFIFD rootIFD = readIFD(imageIndex);
    TIFFField f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
    int compression = f.getAsInt(0);

    return compression == BaselineTIFFTagSet.COMPRESSION_NONE;
}
 
源代码4 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5 项目: Bytecoder   文件: TIFFImageReader.java
private int getTileOrStripHeight() {
    TIFFField f
            = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_TILE_LENGTH);
    if (f != null) {
        return f.getAsInt(0);
    }

    f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_ROWS_PER_STRIP);
    // Default for ROWS_PER_STRIP is 2^32 - 1, i.e., infinity
    int h = (f == null) ? -1 : f.getAsInt(0);
    return (h == -1) ? getHeight() : h;
}
 
源代码6 项目: Bytecoder   文件: TIFFImageReader.java
private int getCompression() {
    TIFFField f
            = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
    if (f == null) {
        return BaselineTIFFTagSet.COMPRESSION_NONE;
    } else {
        return f.getAsInt(0);
    }
}
 
源代码7 项目: openjdk-jdk9   文件: TIFFImageWriter.java
public boolean canReplacePixels(int imageIndex) throws IOException {
    if (getOutput() == null) {
        throw new IllegalStateException("getOutput() == null!");
    }

    TIFFIFD rootIFD = readIFD(imageIndex);
    TIFFField f = rootIFD.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
    int compression = f.getAsInt(0);

    return compression == BaselineTIFFTagSet.COMPRESSION_NONE;
}
 
源代码8 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9 项目: openjdk-jdk9   文件: TIFFImageReader.java
private int getTileOrStripHeight() {
    TIFFField f
            = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_TILE_LENGTH);
    if (f != null) {
        return f.getAsInt(0);
    }

    f = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_ROWS_PER_STRIP);
    // Default for ROWS_PER_STRIP is 2^32 - 1, i.e., infinity
    int h = (f == null) ? -1 : f.getAsInt(0);
    return (h == -1) ? getHeight() : h;
}
 
源代码10 项目: openjdk-jdk9   文件: TIFFImageReader.java
private int getCompression() {
    TIFFField f
            = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
    if (f == null) {
        return BaselineTIFFTagSet.COMPRESSION_NONE;
    } else {
        return f.getAsInt(0);
    }
}
 
源代码11 项目: Bytecoder   文件: TIFFImageWriter.java
public void prepareReplacePixels(int imageIndex,
                                 Rectangle region) throws IOException {
    synchronized(replacePixelsLock) {
        // Check state and parameters vis-a-vis ImageWriter specification.
        if (stream == null) {
            throw new IllegalStateException("Output not set!");
        }
        if (region == null) {
            throw new IllegalArgumentException("region == null!");
        }
        if (region.getWidth() < 1) {
            throw new IllegalArgumentException("region.getWidth() < 1!");
        }
        if (region.getHeight() < 1) {
            throw new IllegalArgumentException("region.getHeight() < 1!");
        }
        if (inReplacePixelsNest) {
            throw new IllegalStateException
                ("In nested call to prepareReplacePixels!");
        }

        // Read the IFD for the pixel replacement index.
        TIFFIFD replacePixelsIFD = readIFD(imageIndex);

        // Ensure that compression is "none".
        TIFFField f =
            replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
        int compression = f.getAsInt(0);
        if (compression != BaselineTIFFTagSet.COMPRESSION_NONE) {
            throw new UnsupportedOperationException
                ("canReplacePixels(imageIndex) == false!");
        }

        // Get the image dimensions.
        f =
            replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_WIDTH);
        if(f == null) {
            throw new IIOException("Cannot read ImageWidth field.");
        }
        int w = f.getAsInt(0);

        f =
            replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_LENGTH);
        if(f == null) {
            throw new IIOException("Cannot read ImageHeight field.");
        }
        int h = f.getAsInt(0);

        // Create image bounds.
        Rectangle bounds = new Rectangle(0, 0, w, h);

        // Intersect region with bounds.
        region = region.intersection(bounds);

        // Check for empty intersection.
        if(region.isEmpty()) {
            throw new IIOException("Region does not intersect image bounds");
        }

        // Save the region.
        replacePixelsRegion = region;

        // Get the tile offsets.
        f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_TILE_OFFSETS);
        if(f == null) {
            f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_STRIP_OFFSETS);
        }
        replacePixelsTileOffsets = f.getAsLongs();

        // Get the byte counts.
        f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_TILE_BYTE_COUNTS);
        if(f == null) {
            f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_STRIP_BYTE_COUNTS);
        }
        replacePixelsByteCounts = f.getAsLongs();

        replacePixelsOffsetsPosition =
            replacePixelsIFD.getStripOrTileOffsetsPosition();
        replacePixelsByteCountsPosition =
            replacePixelsIFD.getStripOrTileByteCountsPosition();

        // Get the image metadata.
        replacePixelsMetadata = new TIFFImageMetadata(replacePixelsIFD);

        // Save the image index.
        replacePixelsIndex = imageIndex;

        // Set the pixel replacement flag.
        inReplacePixelsNest = true;
    }
}
 
源代码12 项目: Bytecoder   文件: TIFFIFD.java
private int getFieldAsInt(int tagNumber) {
    TIFFField f = getTIFFField(tagNumber);
    return f == null ? -1 : f.getAsInt(0);
}
 
源代码13 项目: Bytecoder   文件: TIFFYCbCrDecompressor.java
public void beginDecoding() {
    if(decompressor != null) {
        decompressor.beginDecoding();
    }

    TIFFImageMetadata tmetadata = (TIFFImageMetadata)metadata;
    TIFFField f;

    f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_SUBSAMPLING);
    if (f != null) {
        if (f.getCount() == 2) {
            this.chromaSubsampleH = f.getAsInt(0);
            this.chromaSubsampleV = f.getAsInt(1);

            if (chromaSubsampleH != 1 && chromaSubsampleH != 2 &&
                chromaSubsampleH != 4) {
                warning("Y_CB_CR_SUBSAMPLING[0] has illegal value " +
                        chromaSubsampleH +
                        " (should be 1, 2, or 4), setting to 1");
                chromaSubsampleH = 1;
            }

            if (chromaSubsampleV != 1 && chromaSubsampleV != 2 &&
                chromaSubsampleV != 4) {
                warning("Y_CB_CR_SUBSAMPLING[1] has illegal value " +
                        chromaSubsampleV +
                        " (should be 1, 2, or 4), setting to 1");
                chromaSubsampleV = 1;
            }
        } else {
            warning("Y_CB_CR_SUBSAMPLING count != 2, " +
                    "assuming no subsampling");
        }
    }

    f =
       tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_COEFFICIENTS);
    if (f != null) {
        if (f.getCount() == 3) {
            this.lumaRed = f.getAsFloat(0);
            this.lumaGreen = f.getAsFloat(1);
            this.lumaBlue = f.getAsFloat(2);
        } else {
            warning("Y_CB_CR_COEFFICIENTS count != 3, " +
                    "assuming default values for CCIR 601-1");
        }
    }

    f =
      tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_REFERENCE_BLACK_WHITE);
    if (f != null) {
        if (f.getCount() == 6) {
            this.referenceBlackY = f.getAsFloat(0);
            this.referenceWhiteY = f.getAsFloat(1);
            this.referenceBlackCb = f.getAsFloat(2);
            this.referenceWhiteCb = f.getAsFloat(3);
            this.referenceBlackCr = f.getAsFloat(4);
            this.referenceWhiteCr = f.getAsFloat(5);
        } else {
            warning("REFERENCE_BLACK_WHITE count != 6, ignoring it");
        }
    } else {
            warning("REFERENCE_BLACK_WHITE not found, assuming 0-255/128-255/128-255");
    }

    this.colorConvert = true;

    float BCb = (2.0f - 2.0f*lumaBlue);
    float RCr = (2.0f - 2.0f*lumaRed);

    float GY = (1.0f - lumaBlue - lumaRed)/lumaGreen;
    float GCb = 2.0f*lumaBlue*(lumaBlue - 1.0f)/lumaGreen;
    float GCr = 2.0f*lumaRed*(lumaRed - 1.0f)/lumaGreen;

    for (int i = 0; i < 256; i++) {
        float fY = (i - referenceBlackY)*codingRangeY/
            (referenceWhiteY - referenceBlackY);
        float fCb = (i - referenceBlackCb)*127.0f/
            (referenceWhiteCb - referenceBlackCb);
        float fCr = (i - referenceBlackCr)*127.0f/
            (referenceWhiteCr - referenceBlackCr);

        iYTab[i] = (int)(fY*FRAC_SCALE);
        iCbTab[i] = (int)(fCb*BCb*FRAC_SCALE);
        iCrTab[i] = (int)(fCr*RCr*FRAC_SCALE);

        iGYTab[i] = (int)(fY*GY*FRAC_SCALE);
        iGCbTab[i] = (int)(fCb*GCb*FRAC_SCALE);
        iGCrTab[i] = (int)(fCr*GCr*FRAC_SCALE);
    }
}
 
源代码14 项目: Bytecoder   文件: TIFFImageReader.java
private int getTileOrStripWidth() {
    TIFFField f
            = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_TILE_WIDTH);
    return (f == null) ? getWidth() : f.getAsInt(0);
}
 
源代码15 项目: openjdk-jdk9   文件: TIFFImageWriter.java
public void prepareReplacePixels(int imageIndex,
                                 Rectangle region) throws IOException {
    synchronized(replacePixelsLock) {
        // Check state and parameters vis-a-vis ImageWriter specification.
        if (stream == null) {
            throw new IllegalStateException("Output not set!");
        }
        if (region == null) {
            throw new IllegalArgumentException("region == null!");
        }
        if (region.getWidth() < 1) {
            throw new IllegalArgumentException("region.getWidth() < 1!");
        }
        if (region.getHeight() < 1) {
            throw new IllegalArgumentException("region.getHeight() < 1!");
        }
        if (inReplacePixelsNest) {
            throw new IllegalStateException
                ("In nested call to prepareReplacePixels!");
        }

        // Read the IFD for the pixel replacement index.
        TIFFIFD replacePixelsIFD = readIFD(imageIndex);

        // Ensure that compression is "none".
        TIFFField f =
            replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_COMPRESSION);
        int compression = f.getAsInt(0);
        if (compression != BaselineTIFFTagSet.COMPRESSION_NONE) {
            throw new UnsupportedOperationException
                ("canReplacePixels(imageIndex) == false!");
        }

        // Get the image dimensions.
        f =
            replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_WIDTH);
        if(f == null) {
            throw new IIOException("Cannot read ImageWidth field.");
        }
        int w = f.getAsInt(0);

        f =
            replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_LENGTH);
        if(f == null) {
            throw new IIOException("Cannot read ImageHeight field.");
        }
        int h = f.getAsInt(0);

        // Create image bounds.
        Rectangle bounds = new Rectangle(0, 0, w, h);

        // Intersect region with bounds.
        region = region.intersection(bounds);

        // Check for empty intersection.
        if(region.isEmpty()) {
            throw new IIOException("Region does not intersect image bounds");
        }

        // Save the region.
        replacePixelsRegion = region;

        // Get the tile offsets.
        f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_TILE_OFFSETS);
        if(f == null) {
            f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_STRIP_OFFSETS);
        }
        replacePixelsTileOffsets = f.getAsLongs();

        // Get the byte counts.
        f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_TILE_BYTE_COUNTS);
        if(f == null) {
            f = replacePixelsIFD.getTIFFField(BaselineTIFFTagSet.TAG_STRIP_BYTE_COUNTS);
        }
        replacePixelsByteCounts = f.getAsLongs();

        replacePixelsOffsetsPosition =
            replacePixelsIFD.getStripOrTileOffsetsPosition();
        replacePixelsByteCountsPosition =
            replacePixelsIFD.getStripOrTileByteCountsPosition();

        // Get the image metadata.
        replacePixelsMetadata = new TIFFImageMetadata(replacePixelsIFD);

        // Save the image index.
        replacePixelsIndex = imageIndex;

        // Set the pixel replacement flag.
        inReplacePixelsNest = true;
    }
}
 
源代码16 项目: openjdk-jdk9   文件: TIFFIFD.java
private int getFieldAsInt(int tagNumber) {
    TIFFField f = getTIFFField(tagNumber);
    return f == null ? -1 : f.getAsInt(0);
}
 
源代码17 项目: openjdk-jdk9   文件: TIFFYCbCrDecompressor.java
public void beginDecoding() {
    if(decompressor != null) {
        decompressor.beginDecoding();
    }

    TIFFImageMetadata tmetadata = (TIFFImageMetadata)metadata;
    TIFFField f;

    f = tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_SUBSAMPLING);
    if (f != null) {
        if (f.getCount() == 2) {
            this.chromaSubsampleH = f.getAsInt(0);
            this.chromaSubsampleV = f.getAsInt(1);

            if (chromaSubsampleH != 1 && chromaSubsampleH != 2 &&
                chromaSubsampleH != 4) {
                warning("Y_CB_CR_SUBSAMPLING[0] has illegal value " +
                        chromaSubsampleH +
                        " (should be 1, 2, or 4), setting to 1");
                chromaSubsampleH = 1;
            }

            if (chromaSubsampleV != 1 && chromaSubsampleV != 2 &&
                chromaSubsampleV != 4) {
                warning("Y_CB_CR_SUBSAMPLING[1] has illegal value " +
                        chromaSubsampleV +
                        " (should be 1, 2, or 4), setting to 1");
                chromaSubsampleV = 1;
            }
        } else {
            warning("Y_CB_CR_SUBSAMPLING count != 2, " +
                    "assuming no subsampling");
        }
    }

    f =
       tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_Y_CB_CR_COEFFICIENTS);
    if (f != null) {
        if (f.getCount() == 3) {
            this.lumaRed = f.getAsFloat(0);
            this.lumaGreen = f.getAsFloat(1);
            this.lumaBlue = f.getAsFloat(2);
        } else {
            warning("Y_CB_CR_COEFFICIENTS count != 3, " +
                    "assuming default values for CCIR 601-1");
        }
    }

    f =
      tmetadata.getTIFFField(BaselineTIFFTagSet.TAG_REFERENCE_BLACK_WHITE);
    if (f != null) {
        if (f.getCount() == 6) {
            this.referenceBlackY = f.getAsFloat(0);
            this.referenceWhiteY = f.getAsFloat(1);
            this.referenceBlackCb = f.getAsFloat(2);
            this.referenceWhiteCb = f.getAsFloat(3);
            this.referenceBlackCr = f.getAsFloat(4);
            this.referenceWhiteCr = f.getAsFloat(5);
        } else {
            warning("REFERENCE_BLACK_WHITE count != 6, ignoring it");
        }
    } else {
            warning("REFERENCE_BLACK_WHITE not found, assuming 0-255/128-255/128-255");
    }

    this.colorConvert = true;

    float BCb = (2.0f - 2.0f*lumaBlue);
    float RCr = (2.0f - 2.0f*lumaRed);

    float GY = (1.0f - lumaBlue - lumaRed)/lumaGreen;
    float GCb = 2.0f*lumaBlue*(lumaBlue - 1.0f)/lumaGreen;
    float GCr = 2.0f*lumaRed*(lumaRed - 1.0f)/lumaGreen;

    for (int i = 0; i < 256; i++) {
        float fY = (i - referenceBlackY)*codingRangeY/
            (referenceWhiteY - referenceBlackY);
        float fCb = (i - referenceBlackCb)*127.0f/
            (referenceWhiteCb - referenceBlackCb);
        float fCr = (i - referenceBlackCr)*127.0f/
            (referenceWhiteCr - referenceBlackCr);

        iYTab[i] = (int)(fY*FRAC_SCALE);
        iCbTab[i] = (int)(fCb*BCb*FRAC_SCALE);
        iCrTab[i] = (int)(fCr*RCr*FRAC_SCALE);

        iGYTab[i] = (int)(fY*GY*FRAC_SCALE);
        iGCbTab[i] = (int)(fCb*GCb*FRAC_SCALE);
        iGCrTab[i] = (int)(fCr*GCr*FRAC_SCALE);
    }
}
 
源代码18 项目: openjdk-jdk9   文件: TIFFImageReader.java
private int getTileOrStripWidth() {
    TIFFField f
            = imageMetadata.getTIFFField(BaselineTIFFTagSet.TAG_TILE_WIDTH);
    return (f == null) ? getWidth() : f.getAsInt(0);
}
 
源代码19 项目: Bytecoder   文件: TIFFFaxCompressor.java
/**
 * Sets the value of the {@code metadata} field.
 *
 * <p> The implementation in this class also sets local options
 * from the FILL_ORDER field if it exists.</p>
 *
 * @param metadata the {@code IIOMetadata} object for the
 * image being written.
 *
 * @see #getMetadata()
 */
public void setMetadata(IIOMetadata metadata) {
    super.setMetadata(metadata);

    if (metadata instanceof TIFFImageMetadata) {
        TIFFImageMetadata tim = (TIFFImageMetadata)metadata;
        TIFFField f = tim.getTIFFField(BaselineTIFFTagSet.TAG_FILL_ORDER);
        inverseFill = (f != null && f.getAsInt(0) == 2);
    }
}
 
源代码20 项目: openjdk-jdk9   文件: TIFFFaxCompressor.java
/**
 * Sets the value of the {@code metadata} field.
 *
 * <p> The implementation in this class also sets local options
 * from the FILL_ORDER field if it exists.</p>
 *
 * @param metadata the {@code IIOMetadata} object for the
 * image being written.
 *
 * @see #getMetadata()
 */
public void setMetadata(IIOMetadata metadata) {
    super.setMetadata(metadata);

    if (metadata instanceof TIFFImageMetadata) {
        TIFFImageMetadata tim = (TIFFImageMetadata)metadata;
        TIFFField f = tim.getTIFFField(BaselineTIFFTagSet.TAG_FILL_ORDER);
        inverseFill = (f != null && f.getAsInt(0) == 2);
    }
}