asesprite

• https://www.aseprite.org
• veel overeenkomsten met keys in Photoshop
• shift+S toggle snap to grid
• shift+N new layer
• B brush
• M select
• V move/select, also for auto select layer when the autoselect checkbox is selected
• Cmd+Shift+J layer via cut
• Alt+Shift+arrows move selection
• change brush size: -/=
• alt key for eyedropper tool

lua script via commandline

/Applications/Aseprite.app/Contents/MacOS/aseprite -b 8x4-nibble-font.aseprite --script /Users/rick/Library/Application\ Support/Aseprite/scripts/sprite.lua

videos

• https://youtu.be/iWvfaiiVuDI
• https://youtu.be/59Y6OTzNrhk

save BIN file for Sanyo MBC-555

local white = app.pixelColor.rgba(255, 255, 255, 255)
local sprite = app.activeSprite
local filePath = app.fs.filePath(sprite.filename)
local fileName = app.fs.fileTitle(sprite.filename)
if filePath=="" then filePath = "." end

local outputFile = filePath .. "/" .. fileName .. ".bin"
local file = io.open(outputFile, "wb")
local image = Image(sprite)
local w = image.width
local h = image.height

for y = 0, h-1, 4 do
    for x = 0, w-1, 8 do
        for i = 0, 3 do
            local byte = 0
            for b = 0, 7 do
                local c = image:getPixel(x+b, y+i)
                if c == white then
                    byte = byte | (1 << (7-b))
                end
            end
            file:write(string.char(byte))
        end
    end    
end

file:close()