Java Code Examples for javax.imageio.metadata.IIOMetadataNode#insertBefore()

The following examples show how to use javax.imageio.metadata.IIOMetadataNode#insertBefore() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: JPEGMetadata.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 2
Source File: JPEGMetadata.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 3
Source File: JPEGMetadata.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 4
Source File: JPEGMetadata.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 5
Source File: JPEGMetadata.java    From JDKSourceCode1.8 with MIT License 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 6
Source File: JPEGMetadata.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 7
Source File: JPEGMetadata.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 8
Source File: JPEGMetadata.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 9
Source File: JPEGMetadata.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 10
Source File: JPEGMetadata.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 11
Source File: JPEGMetadata.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 12
Source File: JPEGMetadata.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 13
Source File: JPEGMetadata.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 14
Source File: JPEGMetadata.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 15
Source File: JPEGMetadata.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}
Example 16
Source File: JPEGMetadata.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up 
protected IIOMetadataNode getStandardDimensionNode() {
    // If we have a JFIF marker segment, we know a little
    // otherwise all we know is the orientation, which is always normal
    IIOMetadataNode dim = new IIOMetadataNode("Dimension");
    IIOMetadataNode orient = new IIOMetadataNode("ImageOrientation");
    orient.setAttribute("value", "normal");
    dim.appendChild(orient);

    JFIFMarkerSegment jfif =
        (JFIFMarkerSegment) findMarkerSegment(JFIFMarkerSegment.class, true);
    if (jfif != null) {

        // Aspect Ratio is width of pixel / height of pixel
        float aspectRatio;
        if (jfif.resUnits == 0) {
            // In this case they just encode aspect ratio directly
            aspectRatio = ((float) jfif.Xdensity)/jfif.Ydensity;
        } else {
            // They are true densities (e.g. dpi) and must be inverted
            aspectRatio = ((float) jfif.Ydensity)/jfif.Xdensity;
        }
        IIOMetadataNode aspect = new IIOMetadataNode("PixelAspectRatio");
        aspect.setAttribute("value", Float.toString(aspectRatio));
        dim.insertBefore(aspect, orient);

        // Pixel size
        if (jfif.resUnits != 0) {
            // 1 == dpi, 2 == dpc
            float scale = (jfif.resUnits == 1) ? 25.4F : 10.0F;

            IIOMetadataNode horiz =
                new IIOMetadataNode("HorizontalPixelSize");
            horiz.setAttribute("value",
                               Float.toString(scale/jfif.Xdensity));
            dim.appendChild(horiz);

            IIOMetadataNode vert =
                new IIOMetadataNode("VerticalPixelSize");
            vert.setAttribute("value",
                              Float.toString(scale/jfif.Ydensity));
            dim.appendChild(vert);
        }
    }
    return dim;
}