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jdk/src/share/classes/javax/imageio/metadata/doc-files/bmp_metadata.html
author ohair
Wed, 26 May 2010 20:28:04 -0700
changeset 5551 327690766109
parent 5506 202f599c92aa
permissions -rw-r--r--
6956202: Fix a few missed rebranding issues, please contact lines etc. Reviewed-by: jjg, darcy, weijun

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<title>BMP Metadata Format Specification</title>
</head>

<body>
<center><h1>
BMP Metadata Format Specification
</h1></center>

The XML schema for the native image metadata format is as follows:

<pre>
&lt;?xml version="1.0" encoding="UTF-8"?&gt;

&lt;!-- Schema for BMP native image metadata format. --&gt;

&lt;xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            xmlns="http://javax.imageio.plugins"
            targetNamespace="http://javax.imageio.plugins"&gt;

  &lt;!-- Coordinates of a point in the CIE XYZ color space. --&gt;
  &lt;xsd:complexType name="XYZPoint"&gt;
    &lt;xsd:sequence&gt;
      &lt;xsd:element name="X" type="xsd:double"/&gt;
      &lt;xsd:element name="Y" type="xsd:double"/&gt;
      &lt;xsd:element name="Z" type="xsd:double"/&gt;
    &lt;/xsd:sequence&gt;
  &lt;/xsd:complexType&gt;

  &lt;!-- BMP Schema 1.0 root element. --&gt;
  &lt;xsd:element name="javax_imageio_bmp_1.0"&gt;
    &lt;xsd:complexType&gt;
      &lt;xsd:sequence&gt;

        &lt;!-- BMP version string --&gt;
        &lt;xsd:element name="BMPVersion" type="xsd:string"/&gt;

        &lt;!-- Bitmap width --&gt;
        &lt;xsd:element name="Width" type="xsd:unsignedInt"/&gt;

        &lt;!-- Bitmap height --&gt;
        &lt;xsd:element name="Height" type="xsd:unsignedInt"/&gt;

        &lt;!-- Number of bits per pixel --&gt;
        &lt;xsd:element name="BitsPerPixel" type="xsd:unsignedShort"/&gt;

        &lt;!-- Compression type --&gt;
        &lt;xsd:element name="Compression" type="xsd:unsignedInt" minOccurs="0"/&gt;

        &lt;!-- Image size in bytes --&gt;
        &lt;xsd:element name="ImageSize" type="xsd:unsignedInt" minOccurs="0"/&gt;

	&lt;!-- Resolution in pixels per unit distance --&gt;
        &lt;xsd:element name="PixelsPerMeter" minOccurs="0"&gt;
	  &lt;xsd:complexType&gt;
            &lt;xsd:sequence&gt;
              &lt;xsd:element name="X" type="xsd:unsignedInt"/&gt;
              &lt;xsd:element name="Y" type="xsd:unsignedInt"/&gt;
            &lt;/xsd:sequence&gt;
	  &lt;/xsd:complexType&gt;
        &lt;/xsd:element&gt; &lt;!-- PixelsPerMeter --&gt;


	&lt;!-- Number of color indexes in the color table actually used --&gt;
        &lt;xsd:element name="ColorsUsed" type="xsd:unsignedInt" minOccurs="0"/&gt;

	&lt;!-- Number of color indexes considered important for display --&gt;
        &lt;xsd:element name="ColorsImportant" type="xsd:unsignedInt"
		     minOccurs="0"/&gt;

	&lt;!-- Color masks; present for BI_BITFIELDS compression only --&gt;
        &lt;xsd:element name="Mask" minOccurs="0"&gt;
	  &lt;xsd:complexType&gt;
            &lt;xsd:sequence&gt;
              &lt;xsd:element name="Red" type="xsd:unsignedInt"/&gt;
              &lt;xsd:element name="Green" type="xsd:unsignedInt"/&gt;
              &lt;xsd:element name="Blue" type="xsd:unsignedInt"/&gt;
              &lt;xsd:element name="Alpha" type="xsd:unsignedInt" minOccurs="0"/&gt;
            &lt;/xsd:sequence&gt;
	  &lt;/xsd:complexType&gt;
	&lt;/xsd:element&gt;

        &lt;!-- Color space  --&gt;
        &lt;xsd:element name="ColorSpaceType" type="xsd:unsignedInt" 
		     minOccurs="0"/&gt;

	&lt;!-- CIE XYZ for the LCS_CALIBRATED_RGB color space --&gt;
        &lt;xsd:element name="CIEXYZEndpoints" minOccurs="0"&gt;
	  &lt;xsd:complexType&gt;
            &lt;xsd:sequence&gt;
              &lt;xsd:element name="Red" type="XYZPoint"/&gt;
              &lt;xsd:element name="Green" type="XYZPoint"/&gt;
              &lt;xsd:element name="Blue" type="XYZPoint"/&gt;
            &lt;/xsd:sequence&gt;
	  &lt;/xsd:complexType&gt;
        &lt;/xsd:element&gt;

	&lt;!-- Gamma values for the LCS_CALIBRATED_RGB color space --&gt;
        &lt;xsd:element name="Gamma" minOccurs="0"&gt;
	  &lt;xsd:complexType&gt;
            &lt;xsd:sequence&gt;
              &lt;xsd:element name="Red" type="xsd:unsignedInt"/&gt;
              &lt;xsd:element name="Green" type="xsd:unsignedInt"/&gt;
              &lt;xsd:element name="Blue" type="xsd:unsignedInt"/&gt;
            &lt;/xsd:sequence&gt;
	  &lt;/xsd:complexType&gt;
	&lt;/xsd:element&gt;

	&lt;!-- Rendering intent --&gt;
        &lt;xsd:element name="Intent" type="xsd:unsignedInt" minOccurs="0"/&gt;

	&lt;!-- The image colormap --&gt;
        &lt;xsd:element name="Palette" minOccurs="0"&gt;
	  &lt;xsd:complexType&gt;
            &lt;xsd:sequence&gt;
              &lt;xsd:element name="PaletteEntry"&gt;
	        &lt;xsd:complexType&gt;
                  &lt;xsd:sequence&gt;
                    &lt;xsd:element name="Red" type="xsd:unsignedByte"/&gt;
                    &lt;xsd:element name="Green" type="xsd:unsignedByte"/&gt;
                    &lt;xsd:element name="Blue" type="xsd:unsignedByte"/&gt;
                    &lt;xsd:element name="Alpha" type="xsd:unsignedByte" minOccurs="0"/&gt;
                  &lt;/xsd:sequence&gt;
	        &lt;/xsd:complexType&gt;
              &lt;/xsd:element&gt;
            &lt;/xsd:sequence&gt;
	  &lt;/xsd:complexType&gt;
	&lt;/xsd:element&gt;

      &lt;/xsd:sequence&gt;
    &lt;/xsd:complexType&gt;
  &lt;/xsd:element&gt; &lt;!-- bmp_image_1.0 --&gt;

&lt;/xsd:schema&gt;
</pre>

@since 1.5

</body>
jdk-sandbox