Wallpaper rendering information.
Constructor schema is available as of layer 107. Switch »| Name | Type | Description |
|---|---|---|
| flags | # | Flags, see TL conditional fields |
| blur | flags.1?true | For image wallpapers »: if set, the JPEG must be downscaled to fit in 450x450 square and then box-blurred with radius 12. |
| motion | flags.2?true | If set, the background needs to be slightly moved when the device is rotated. |
| background_color | flags.0?int | Used for solid », gradient » and freeform gradient » fills. |
| second_background_color | flags.4?int | Used for gradient » and freeform gradient » fills. |
| third_background_color | flags.5?int | Used for freeform gradient » fills. |
| fourth_background_color | flags.6?int | Used for freeform gradient » fills. |
| intensity | flags.3?int | Used for pattern wallpapers ». |
| rotation | flags.4?int | Clockwise rotation angle of the gradient, in degrees; 0-359. Should be always divisible by 45. |
| emoticon | flags.7?string | If set, this wallpaper can be used as a channel wallpaper and is represented by the specified UTF-8 emoji. |
Telegram apps support generating, sharing and synchronizing chat backgrounds.