mirror of
https://github.com/IgorTimofeev/MineOS.git
synced 2025-12-21 11:39:23 +01:00
54 lines
1.8 KiB
Lua
54 lines
1.8 KiB
Lua
|
|
local GUI = require("GUI")
|
|
local image = require("Image")
|
|
|
|
------------------------------------------------------
|
|
|
|
local workspace, window, menu = select(1, ...), select(2, ...), select(3, ...)
|
|
local tool = {}
|
|
|
|
tool.shortcut = "Ers"
|
|
tool.keyCode = 18
|
|
tool.about = "Eraser tool will cleanup pixels just like brush tool. You can configure of what data is need to be erased"
|
|
|
|
local backgroundSwitch = window.newSwitch("Erase background:", true)
|
|
local foregroundSwitch = window.newSwitch("Erase foreground:", true)
|
|
local alphaSwitch = window.newSwitch("Erase alpha:", true)
|
|
local symbolSwitch = window.newSwitch("Erase symbol:", true)
|
|
local radiusSlider = window.newSlider(1, 8, 1, false, "Radius: ", " px")
|
|
radiusSlider.height = 2
|
|
|
|
tool.onSelection = function()
|
|
window.currentToolLayout:addChild(backgroundSwitch)
|
|
window.currentToolLayout:addChild(foregroundSwitch)
|
|
window.currentToolLayout:addChild(alphaSwitch)
|
|
window.currentToolLayout:addChild(symbolSwitch)
|
|
window.currentToolLayout:addChild(radiusSlider)
|
|
end
|
|
|
|
tool.eventHandler = function(workspace, object, e1, e2, e3, e4)
|
|
if e1 == "touch" or e1 == "drag" then
|
|
local x, y = e3 - window.image.x + 1, e4 - window.image.y + 1
|
|
local meow = math.floor(radiusSlider.value)
|
|
|
|
for j = y - meow + 1, y + meow - 1 do
|
|
for i = x - meow + 1, x + meow - 1 do
|
|
if i >= 1 and i <= window.image.width and j >= 1 and j <= window.image.height then
|
|
local background, foreground, alpha, symbol = image.get(window.image.data, i, j)
|
|
image.set(window.image.data, i, j,
|
|
backgroundSwitch.switch.state and 0x0 or background,
|
|
foregroundSwitch.switch.state and 0x0 or foreground,
|
|
alphaSwitch.switch.state and 1 or alpha,
|
|
symbolSwitch.switch.state and " " or symbol
|
|
)
|
|
end
|
|
end
|
|
end
|
|
|
|
workspace:draw()
|
|
end
|
|
end
|
|
|
|
------------------------------------------------------
|
|
|
|
return tool |