pb_analyzer.lua

return {init=function(_,module,api,_,_,flags)
    local function err(str)
        api.module_error(module,str,3,flags.supress)
    end

    local to_blit = {}
    for i = 0, 15 do
        to_blit[2^i] = ("%x"):format(i)
    end

    local function analyze_box_buffer(self)
        local canvas = self.canvas
        if not canvas then
            err("Box missing canvas. Possible to regenerate with\n\npixelbox.restore(box,box.background)")
        end

        for y=1,self.height do
            local row = canvas[y]
            if not row then
                err(("Canvas is missing a pixel row: %d"):format(y))
            end

            for x=1,self.width do
                local pixel = row[x]
                if not pixel then
                    err(("Canvas is missing a pixel at:\n\nx:%d y:%d"):format(x,y))
                elseif not to_blit[pixel] then
                    err(("Canvas has an invalid pixel at:\n\nx:%d y:%d. Value: %s"):format(x,y,pixel))
                end
            end
        end

        return true
    end

    return {
        analyze_buffer = analyze_box_buffer,
        internal = {
            to_blit = to_blit
        }
    },{}
end,
    id         = "PB_MODULE:analyzer",
    name       = "PB_Analyzer",
    author     = "9551",
    contact    = "https://devvie.cc/contact",
    report_msg = "\n__name: module error, report issues at\n-> __contact"
}