BGRA8888

BGRA8888 is a pixel format commonly used in computer graphics. The name itself describes how the color information is arranged within each pixel. BGRA stands for Blue, Green, Red, and Alpha. The '8888' indicates that each of these color components, and the alpha channel, is represented by 8 bits. This means each component can have a value ranging from 0 to 255.

In this format, the first byte of data represents the blue component, the second byte the green, the third byte the red, and the fourth byte the alpha channel. The alpha channel controls the transparency or opacity of the pixel, with 0 being fully transparent and 255 being fully opaque. This ordering is a departure from the more common RGBA format, where red is typically the first component.

BGRA8888 is often found in systems and applications where the order of color channels is important, such as in certain operating system graphics pipelines or image processing libraries. Its 32-bit per pixel depth allows for a wide range of colors and a good degree of transparency control. The byte order can be a significant factor when dealing with raw image data or when interoperating between different graphics systems.