Various Device Specific Content

RT117XBitmapConverter
Description 
 This document provides a complete list of bitmap formats supported by the RT117X target . 
 These formats define how pixel color and alpha data are stored in memory. The RT117X extended bitmap formats support alpha-only, RGB, and ARGB image formats, enabling a balance between memory usage, performance, and visual quality. 
 These bitmap converters are supported only on the target. Windows simulation uses the default bitmap converter. 
 Alpha-Only Formats 
 Formats that store only transparency information, typically used for masks and blending. 
 
 
 
 Serial No. 
 Format 
 Description 
 
 
 1 
 RT117XExtendedBitmapFormatA8 
 8-bit alpha-only format. 
 
 
 
 RGB Color Formats 
 Formats that store color information without an alpha channel, optimized for memory efficiency. 
 
 
 
 Serial No. 
 Format 
 Description 
 
 
 1 
 RT117XExtendedBitmapFormatRGB565 
 16-bit RGB format (5-6-5). 
 
 
 2 
 RT117XExtendedBitmapFormatXRGB8888 
 32-bit color with unused alpha channel (RGB only). 
 
 
 
 ARGB Color Formats 
 Formats that store color information along with an alpha channel for transparency. 
 
 
 
 Serial No. 
 Format 
 Description 
 
 
 1 
 RT117XExtendedBitmapFormatARGB8888 
 32-bit color with 8 bits per channel including alpha. 
 
 
 2 
 RT117XExtendedBitmapFormatARGB1555 
 16-bit color with 1-bit alpha and 5 bits per RGB channel. 
 
 
 3 
 RT117XExtendedBitmapFormatARGB4444 
 16-bit color with 4 bits per channel including alpha.