How to prepare image for use in drawBitmap

[mrbenino]

I tried to figure out how to draw *.bmp.json images by converting them to base64-encoded string but they are not displayed as images but as randomly filled pixels. How to convert images correctly?

[niklauslee]

Unfortunately bitmaps must be mapped to binary code by yourself (I don't know if there is a suitable tool).

For example, in the case of a monochrome 16x16 image, it is made of a Uint8Array with 32 bytes data (the first 2 bytes draw the first row). For 16-bit color images, 2 bytes for each pixel (See here for how to represent 16-bit color in 2 bytes).