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<!DOCTYPE concept

  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

<concept id="GUID-7E6DDDBB-FDE2-59ED-A932-AFD4D0BAC3E3" xml:lang="en"><title>RGB

Pixel Formats</title><shortdesc>This topic provides detailed information about the supported RGB

pixel formats.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>

<p>The following conventions are used in the diagrams: G represents

the green component, B represents the blue component, R represents the red

component, A represents the alpha component, l represents the low bit and

h represents the high bit. </p>

<section id="GUID-05210E2E-98D6-40FF-867B-282072998367"><title> EUidPixelFormatRGB_565</title> <p>16-bit little-endian format

without an alpha channel. The red, green and blue color channels occupy 5,

6 and 5 bits, respectively. This format supports 65536 possible colors. One

word contains 2 pixels. </p> <fig id="GUID-BCA03D58-FE74-5E55-BA19-D9A7D71947B0">

<title>              Word diagram representing the EUidPixelFormatRGB_565

format            </title>

</fig> <fig id="GUID-E01CE3FD-67C0-58DF-94A0-D37774FA1799">

<title>              Pixel address layout in memory for the EUidPixelFormatRGB_565

format            </title>

</fig> <table id="GUID-7A2E9722-8048-5E7E-BD12-E0EF0BD12735">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry><codeph>EColor64K</codeph> </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>16bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant  </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x1027549E} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-7E8D737E-5294-45D0-9F7F-F5BD08102EF1"><title>EUidPixelFormatXRGB_4444</title> <p>16-bit little-endian format

without an alpha channel. The red, green and blue color channels each occupy

4 bits. The first 4 bits are unused. </p> <fig id="GUID-067C59F1-2336-5A34-A9C1-2FC07200E6C1">

<title>              Word diagram representing the EUidPixelFormatXRGB_4444

format            </title>

</fig> <fig id="GUID-CA9FA780-DEE1-5AB3-BC0E-9382A2895DF3">

<title>              Pixel address layout in memory for the EUidPixelFormatXRGB_4444

             format            </title>

</fig> <table id="GUID-2566B91D-E924-5CED-BB08-02F362957DA7">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode  </entry>

<entry><codeph>EColor4K</codeph> </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>12bpp  </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry><codeph>KUidFormat16bitRGB444Interleaved</codeph> </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x10273764}  </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-1ADA4D91-850D-4EF0-B183-D447730DDF58"><title> EUidPixelFormatXRGB_8888</title> <p>32-bit little-endian

format without an alpha channel. The red, green and blue color channels each

occupy 8 bits with blue in the low byte and one unused byte. Although it uses

only 24 bits, this format requires 32 bits (1 word) to construct. </p> <fig id="GUID-49BB7271-EA82-53E0-A8F1-0FD3173F5FBF">

<title>              Word diagram representing the EUidPixelFormatXRGB_8888

format            </title>

</fig> <fig id="GUID-119ABE23-D8D8-5537-9AC3-91A5D188C64E">

<title>              Pixel address layout in memory for the EUidPixelFormatXRGB_8888

             format            </title>

</fig> <table id="GUID-A80BF34D-3630-50F2-8A50-02C606BEE1B1">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry><codeph>EColor16MU</codeph> </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x10275496} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-42213AE6-0466-4A75-83CE-124A5F990372"><title> EUidPixelFormatARGB_8888</title> <p>32-bit little-endian

format with an 8-bit alpha channel. The red, green and blue color channels

each occupy 8 bits. </p> <fig id="GUID-4EF0F4E9-9263-510A-B3B3-543672FC2D9D">

<title>              Word diagram representing the EUidPixelFormatARGB_8888

format            </title>

</fig> <fig id="GUID-FDF30C93-5DE1-5F48-B917-3A226C031C4B">

<title>              Pixel address layout in memory for the EUidPixelFormatARGB_8888

             format            </title>

</fig> <table id="GUID-C887942B-833F-5F96-8029-9A3F5A830493">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry><codeph>EColor16MA</codeph> </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp  </entry>

</row>

<row>

<entry>Multimedia pixel format constant  </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x10275498} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-DCA32C46-FF02-4928-A0CA-A40999BDC6D1"><title> EUidPixelFormatARGB_8888_PRE</title> <p>32-bit little-endian

pre-multiplied format with an 8-bit alpha channel. The red, green and blue

color channels each occupy 8 bits. The pixel color channels are pre-multiplied

with the alpha information in the alpha channel. The alpha channel is left

un-altered. This pixel format can improve performance when using multiple

alpha blending and compositions. </p> <fig id="GUID-3CEC8456-124C-57C4-958E-8092FB9D8661">

<title>              Word diagram representing the EUidPixelFormatARGB_8888_PRE

format            </title>

</fig> <fig id="GUID-E19DC61E-9C08-5C8F-B05C-53D3BEB0D2D6">

<title>              Pixel address layout in memory for the EUidPixelFormatARGB_8888_PRE

             format            </title>

</fig> <table id="GUID-22C5CF91-862C-577A-A4E6-7AA995A561CA">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry><codeph>EColor16MAP</codeph> </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant  </entry>

<entry>No mapping  </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x1027549A}  </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-FE0F393C-A9AE-4461-8E50-7AA04AACDACE"><title> EUidPixelFormatRGB_332</title> <p>8-bit little-endian format

without an alpha channel. The red, green and blue color channels occupy 3,

3 and 2 bits, respectively. One word contains 4 bytes. </p> <fig id="GUID-932214F5-2954-54DE-9F4F-A3BE90DDC862">

<title>              Word diagram representing the EUidPixelFormatRGB_332

format            </title>

</fig> <fig id="GUID-A547575D-757F-5C60-894F-97B4118CB180">

<title>              Pixel address layout in memory for the EUidPixelFormatRGB_332

format            </title>

</fig> <table id="GUID-77E938E5-A4AE-5483-9DCF-47CC33CD2D76">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode  </entry>

<entry>N/A  </entry>

</row>

<row>

<entry>Color depth  </entry>

<entry>8bpp  </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry>No mapping  </entry>

</row>

<row>

<entry>Equivalent UID value  </entry>

<entry>{0x102754A2} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-9F4950FF-0108-477D-BC25-58CCEABA5286"><title>EUidPixelFormatARGB_4444</title> <p>16-bit little-endian format

with a 4-bit alpha channel. The red, green and blue color channels each occupy

4 bits. </p> <fig id="GUID-826DACBB-A1E2-58A2-8432-61E0B4617957">

<title>              Word diagram representing the EUidPixelFormatARGB_4444

format            </title>

</fig> <table id="GUID-903EC211-97EA-59E6-8BA5-ACDCA2CA2B63">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>16bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant  </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x102754A1} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-2659F181-2815-42DE-A296-10A4640109A4"><title> EUidPixelFormatARGB_1555</title> <p>16-bit little-endian

format with a 1-bit alpha channel. The red, green and blue color channels

each occupy 5 bits. This leads to 32 different levels of each channel and

32768 possible different colors in total. One word contains 2 pixels. </p> <fig id="GUID-83195A01-CE0B-5802-ABCE-377F81C171A0">

<title>              Word diagram representing the EUidPixelFormatARGB_1555

format            </title>

</fig> <table id="GUID-9C1C455A-1C07-5A9B-918E-D21C93ADC5F1">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A  </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>16bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry> No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x1027549F}  </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-1CA43C15-28B8-479F-953C-14E1585D8753"><title>EUidPixelFormatXBGR_8888</title> <p>32-bit big-endian format

without an alpha channel. The red, green and blue color channels each occupy

8 bits. This format requires 32 bits to construct and the first 8 bits are

unused. </p> <fig id="GUID-B4CB2BD2-CB9A-5B9D-BB44-CCAD76DCE36D">

<title>              Word diagram representing the EUidPixelFormatXBGR_8888

format            </title>

</fig> <table id="GUID-39AEB354-2536-5A3E-9050-A070E38A7B3A">

<tgroup cols="2"><colspec colname="col0"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp  </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry><codeph> KUidFormat32BitRGB888Interleaved</codeph> </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x10273766}  </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-8192872C-12CC-4433-9575-9D147982489E"><title> EUidPixelFormatBGRX_8888</title> <p>32-bit big-endian format

without an alpha channel. The blue, green and red color channels each occupy

8 bits. There is one unused byte. Although it uses only 24 bits, this format

requires 1 word to construct. </p> <fig id="GUID-304C810E-8443-5AEE-9881-3118C22FA0DA">

<title>              Word diagram representing the EUidPixelFormatBGRX_8888

format            </title>

</fig> <table id="GUID-61485B33-02AC-5DDA-A6A1-12C39BE0498F">

<tgroup cols="2"><colspec colname="COLSPEC0" colwidth="1.00*"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A  </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x102754A8}  </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-5BB3AFCA-397A-4A46-9C98-625B179DBF3B"><title>EUidPixelFormatBGRA_8888</title> <p>32-bit big-endian format

with an alpha channel. The blue, green, red and alpha channels each occupy

8 bits. </p> <fig id="GUID-03224617-89B5-55FC-9E6E-E713417DBE5F">

<title>              Word diagram representing the EUidPixelFormatBGRA_8888

format            </title>

</fig> <table id="GUID-92386E09-A207-517D-8F02-6630EDD2D24C">

<tgroup cols="2"><colspec colname="COLSPEC1" colwidth="1.00*"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A  </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x102754A9} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-2A243B80-76E8-40D4-9CF0-A7BD8D798C74"><title>EUidPixelFormatABGR_8888</title> <p>32-bit big-endian format

with an 8-bit alpha channel. The blue, green and red color channels each occupy

8 bits. </p> <fig id="GUID-55A5EF28-D1C9-5571-A0F2-80F765C3154B">

<title>              Word diagram representing the EUidPixelFormatABGR_8888

format            </title>

</fig> <table id="GUID-8D70E3CC-2847-5744-95A9-960B294F7F04">

<tgroup cols="2"><colspec colname="COLSPEC2" colwidth="1.00*"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A  </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp  </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x10275499} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-452B7BBD-EE4A-4DC4-A4B6-E84D1711393F"><title>EUidPixelFormatABGR_8888_PRE</title> <p>32-bit big-endian

format with an 8-bit alpha channel. The blue, green and red color channels

each occupy 8 bits. The pixel color channels are pre-multiplied with the alpha

information in the alpha channel. </p> <fig id="GUID-FDF4407F-3F89-56CB-AF9D-C4679FB7A66A">

<title>              Word diagram representing the EUidPixelFormatABGR_8888_PRE

format            </title>

</fig> <table id="GUID-0AD1D021-9A2D-52ED-964C-B3115CB0F86C">

<tgroup cols="2"><colspec colname="COLSPEC3" colwidth="1.00*"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A  </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x1027549B} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-6C48E765-04C6-44C1-BA8B-16A14D93229E"><title>EUidPixelFormatBGRA_8888_PRE</title> <p>32-bit big-endian

format with an 8-bit alpha channel. The blue, green and red color channels

each occupy 8 bits. The pixel color channels are pre-multiplied with the alpha

information in the alpha channel. </p> <fig id="GUID-97C9F09A-4081-5C6D-83D5-496FC8281D58">

<title>              Word diagram representing the EUidPixelFormatBGRA_8888_PRE

format            </title>

</fig> <table id="GUID-E5F25F47-36EC-5AED-820B-590271C5F151">

<tgroup cols="2"><colspec colname="COLSPEC4" colwidth="1.00*"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x10275497} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-F57DF205-9DF6-4D5C-90F5-ABE21852750B"><title> EUidPixelFormatABGR_2101010</title> <p>32-bit big-endian

format with a 2-bit alpha channel. The blue, green and red color channels

each occupy 10 bits. </p> <fig id="GUID-126E8A73-773C-524E-B0E1-1BC9146D294B">

<title>              Word diagram representing the EUidPixelFormatABGR_2101010

format            </title>

</fig> <table id="GUID-88179D3F-3337-524B-8F02-11DF4130EA1D">

<tgroup cols="2"><colspec colname="COLSPEC5" colwidth="1.00*"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A  </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp  </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry>No mapping </entry>

</row>

<row>

<entry>Equivalent UID value </entry>

<entry>{0x1027549C} </entry>

</row>

</tbody>

</tgroup>

</table> </section>

<section id="GUID-E6014CC5-3E8C-4167-94FF-739A41DCF718"><title>EUidPixelFormatARGB_2101010</title> <p>32-bit little-endian

format with a 2-bit alpha channel. The red, green and blue color channels

each occupy 10 bits. </p> <fig id="GUID-60D8F8D9-3613-5AA0-8205-E26B9FB63248">

<title>              Word diagram representing the EUidPixelFormatARGB_2101010

format            </title>

</fig> <table id="GUID-A63BBFC3-E8D3-5CB3-929D-8FB01D073DEB">

<tgroup cols="2"><colspec colname="COLSPEC6" colwidth="1.00*"/><colspec colname="col1"/>

<tbody>

<row>

<entry>Graphics display mode </entry>

<entry>N/A </entry>

</row>

<row>

<entry>Color depth </entry>

<entry>32bpp </entry>

</row>

<row>

<entry>Multimedia pixel format constant </entry>

<entry>No mapping </entry>