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`l~~Iult~media
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`An Engineering Approach to MMS
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`Gwenael Le Bodic
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`Alcatel, France
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`John Wiley 8~ Sons, Ltd
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`Nlultlmeciia Messaging service: An engineering Approach to MMS
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`In addition, a text foreground colour may be specified for each slide text object. This
`is performed by assigning a colour attribute when linking the text object with the text
`region as shown below:
`
`<text src = "Textl.txt" region = "Text">
`<param name = "foreground-color" value = "blue"/>
`</text>
`
`It is common to use the following 16 colour keywords defined in [W3C-HTML4]:
`aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive, pur-
`p 1 e, red, s i 1 ve r, tea 1, white and ye 11 ow. In addition, RGB hexadecimal colour
`codes [W3C-sRGB] may also be used (values are prefixed with the hash mark `#')
`as shown below:
`
`"#000000"
`black =
`"#COCOCO"
`silver =
`"#808080"
`gray =
`"#FFFFFF"
`white =
`"#800000"
`maroon =
`"#FF0000"
`red =
`"#800080"
`purple =
`fuchsia = "#FFOOFF"
`
`green = "#008000"
`"#OOFF00"
`lime =
`olive = "#808000"
`yellow = "#FFFF00"
`"#000080"
`navy =
`"#OOOOFF"
`blue =
`"#008080"
`teal =
`"#OOFFFF"
`aqua =
`
`The support of colour is not specified in the MMS conformance document. Conse-
`quently, the support of text colours is not widely supported by MMS clients.
`
`5.4.11 XHTML as an Alternative to SMIL
`
`As an alternative to SMIL, eXtensible HTML (XHTML) is a language that can
`also be used for representing message scene descriptions. In particular, XHTML
`Mobile Profile (XHTML MP) [WAP-277] extends HTML Basic Profile published by
`W3C [W3C-XHTML-Basic]. HTML MP is a subset of HTML 1.1 but a superset of
`HTML Basic Profile. XHTML MP has been specifically tailored for resource con-
`strained devices. However, HTML MP remains a suitable language for the definition
`of rich MMS scene descriptions.
`The OMA conformance document [OMA-MMS-Conf] (version 1.2) does not iden-
`tify XHTML as an alternative to SMIL for MMS clients. Consequently, existing
`MMS devices seldom provide support for XHTML as a scene description language
`for MMS.
`
`5.5 Example of a Multimedia Message
`As shown previously, the multipart structure of a multimedia message is represented
`in a binary form in order to be efficiently transported between the MMS client and the
`MMSC. This binary representation is directly derived from the MIME concepts intro-
`duced in Section 5.1.1. Figure 5.11 shows the textual representation of a multimedia
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