Format of Wireless Bitmap Files
| Field name | Field type | Size (in bytes) | Purpose |
|---|---|---|---|
| Type | uintvar | variable | Type of the image, and is 0 for monochrome bitmaps. |
| Fixed header | byte | 1 | Reserved. Always 0. |
| Width | uintvar | variable | Width of the image in pixels. |
| Height | uintvar | variable | Height of the image in pixels. |
| Data | byte array | variable | Data bytes arranged in rows – one bit per pixel. A black pixel is denoted by 0 and a white pixel is denoted by 1. Where the row length is not divisible by 8, the row is 0-padded to the byte boundary. |
Read more about this topic: Wireless Application Protocol Bitmap Format
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