Files
tsvm/assets/disk0/home/jpdectest.js
2022-04-07 10:36:48 +09:00

27 lines
622 B
JavaScript

filesystem.open("A", exec_args[1], "R")
let status = com.getStatusCode(0)
let infile = undefined
if (0 != status) return status
let fileLen = filesystem.getFileLen("A")
println(`DMA reading ${fileLen} bytes from disk...`)
infile = sys.malloc(fileLen)
dma.comToRam(0, 0, infile, fileLen)
println("decoding")
// decode
const [imgw, imgh, imageData] = graphics.decodeImageResample(infile, fileLen, 0, 448)
println(`dim: ${imgw}x${imgh}`)
println(`converting to displayable format...`)
// convert colour
graphics.imageToDisplayableFormat(imageData, -1048577, imgw, imgh, 4, true)
sys.free(imageData)
sys.free(infile)