Thread: Alert/Speedcam icons, what is it and how to change it

The "User" method

Spoiler: .

You can use any graphic editor (as long as it can read/write Window BMP format)
You then need to change the appropriate <res> version you are using. If you don't know, change all <res> versions: ldpi, mdpi, hdpi, xhdpi, xxhdpi, xxxhdpi
There are at least two .bmp files that need changing but speedwarn1.bmp is more important.
You will need to determine the height of each icon (icon_height). It's specified in the associate .spr file under "Stripes" For example, with <res>=hdpi the speedwarn1.spr has

Code:

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Or you can computed it yourself as bitmap_height/32 (since it's a vertical sprite with 32 icons)
You then determined where each icon type is located in the sprite .bmp
For example, for type=0 it will start at y_start=0. The type=1 will starts at y_start=icon_height and type=n will starts at y_start=icon_height*n
The y_end is just y_start+icon_height
Use your favorite editor and modified the graphic at y_start to y_end. You can "delete" it by making all pixels in that area transparent. Or you can replaced it with your own. This is not a graphic editor tutorial, so I won't go into detail. I might give one on what graphic editor I'm using later.
For example, speedwarn1.bmp under the hdpi directory has a resolution of 48x1760, so bitmap_width=48 and bitmap_height=1760
This makes each icon having a resolution of 48x55, so icon_width=48 and icon_height=55
the 55 is from .spr or computed as 1760/32=55
If you want to enlarge each icon to 60x80, you have to create speedwarn1.bmp with the size of 60x2560 because there are 32 icons stacked vertically with each icon_height being 80 for a bitmap_height=80*32=2560