Readme.md

ImgBrick not really

These scripts are licensed under CC0: https://creativecommons.org/publicdomain/zero/1.0/

These scripts convert any image supported by ImageMagick to Roblox model or GUI.

Todo:

• Skybox
• Lua code generator

~uyjulian

img2rbx.lua

--bit.ly/uyjulian
--Licenced under Creative Commons Zero 1.0
local magick = require"magick" --https://github.com/leafo/magick

local ExportXML_S = [[<roblox xmlns:xmime="http://www.w3.org/2005/05/xmlmime" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.roblox.com/roblox.xsd" version="4">
<External>null</External>
<External>nil</External>
<Item class="Model" referent="RBX0">]]

local ExportXML_Part = [[<Item class="Part" referent="RBX12">
<Properties>
<bool name="Anchored">true</bool>
<token name="BottomSurface">0</token>
<Color3 name="Color">
<R>$r</R>
<G>$g</G>
<B>$b</B>
</Color3>
<CoordinateFrame name="CFrame">
<X>$x</X>
<Y>$y</Y>
<Z>$z</Z>
<R00>1</R00>
<R01>0</R01>
<R02>0</R02>
<R10>0</R10>
<R11>1</R11>
<R12>0</R12>
<R20>0</R20>
<R21>0</R21>
<R22>1</R22>
</CoordinateFrame>
<token name="FormFactor">0</token>
<token name="TopSurface">0</token>
<float name="Transparency">$t</float>
<Vector3 name="size">
<X>1</X>
<Y>$height</Y>
<Z>1</Z>
</Vector3>
</Properties>
<Item class="SpecialMesh" referent="RBX1">
<Properties>
<token name="LODX">2</token>
<token name="LODY">2</token>
<Content name="MeshId"><url>http://www.roblox.com/Asset/?id=9856898</url></Content>
<token name="MeshType">5</token>
<string name="Name">Mesh</string>
<Vector3 name="Scale">
<X>2</X>
<Y>2</Y>
<Z>2</Z>
</Vector3>
<Content name="TextureId"><url>http://www.roblox.com/asset/?ID=1361097</url></Content>
<Vector3 name="VertexColor">
<X>$r</X>
<Y>$g</Y>
<Z>$b</Z>
</Vector3>
</Properties>
</Item>
</Item>]]

local ExportXML_E = [[</Item></roblox>]]

local img, err = magick.load_image(arg[1])
if img == nil then
	error(err)
end

local out = io.open(arg[2], "w")
out:write(ExportXML_S)

local width = img:get_width()
local height = img:get_height()

for x = 1, width do
	for y = 1, height do
		local r, g, b, a = img:get_pixel(x, y)
		a = 1 - a
		if a ~= 1 then
			local rpls, n = ExportXML_Part:gsub("$r", r):gsub("$g", g):gsub("$b", b):gsub("$x", width - x):gsub("$y", height - y):gsub("$z", 1):gsub("$height", 1):gsub("$t", a)
			out:write(rpls)
		end
	end
end

out:write(ExportXML_E)

img2rbxgui.lua

--bit.ly/uyjulian
--Licenced under Creative Commons Zero 1.0
local magick = require"magick" --https://github.com/leafo/magick

local ExportXML_S = [[<roblox xmlns:xmime="http://www.w3.org/2005/05/xmlmime" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.roblox.com/roblox.xsd" version="4">
<External>null</External>
<External>nil</External>
<Item class="ScreenGui" referent="RBXfad51c4a90b346ee8036c5346dab7d66">
<Properties>
<string name="Name">ScreenGui</string>
</Properties>
<Item class="Frame" referent="RBX48ddfeec1b96458aab86395cc814e2e2">
<Properties>
<float name="BackgroundTransparency">1</float>
<int name="BorderSizePixel">0</int>
<string name="Name">Frame</string>
<UDim2 name="Size">
<XS>0</XS>
<XO>$width</XO>
<YS>0</YS>
<YO>$height</YO>
</UDim2>
</Properties>
]]

local ExportXML_Part = [[<Item class="Frame" referent="RBX1dcfb1ddaca648c99bfacdb25878cd03">
<Properties>
<Color3 name="BackgroundColor3">$c</Color3>
<float name="BackgroundTransparency">$t</float>
<int name="BorderSizePixel">0</int>
<UDim2 name="Position">
<XS>0</XS>
<XO>$x</XO>
<YS>0</YS>
<YO>$y</YO>
</UDim2>
<float name="Rotation">0</float>
<UDim2 name="Size">
<XS>0</XS>
<XO>1</XO>
<YS>0</YS>
<YO>1</YO>
</UDim2>
</Properties>
</Item>]]

local ExportXML_E = [[</Item></Item></roblox>]]

local img, err = magick.load_image(arg[1])
if img == nil then
	error(err)
end

local out = io.open(arg[2], "w")


local width = img:get_width()
local height = img:get_height()
local rpls, n = ExportXML_S:gsub("$width", width):gsub("$height", height)
out:write(rpls)

local function tohex(num)
	return string.format("%02x", num)
end

function math.normalize(x,y) 
	local l=(x*x+y*y)^.5 
	if l==0 then 
		return 0,0,0 
	else 
		return x/l,y/l,l 
	end 
end

for x = 1, width do
	for y = 1, height do
		local r, g, b, a = img:get_pixel(x, y)
		a = 1 - a
		if a ~= 1 then
			local gencolor = tonumber("0xff" .. tohex(r*255) .. tohex(g*255) .. tohex(b*255))
			local rpls, n = ExportXML_Part:gsub("$c", gencolor):gsub("$x", x - 1):gsub("$y", y - 1):gsub("$t", a)
			out:write(rpls)
		end
	end
end

out:write(ExportXML_E)