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-rw-r--r--graphics/pgf/contrib/pixelart/pixelart.lua26
1 files changed, 24 insertions, 2 deletions
diff --git a/graphics/pgf/contrib/pixelart/pixelart.lua b/graphics/pgf/contrib/pixelart/pixelart.lua
index 97a76d8f76..d5c98e3898 100644
--- a/graphics/pgf/contrib/pixelart/pixelart.lua
+++ b/graphics/pgf/contrib/pixelart/pixelart.lua
@@ -1,5 +1,23 @@
+--[[
+ Copyright 2017-2023 Louis Paternault
+
+ This work may be distributed and/or modified under the
+ conditions of the LaTeX Project Public License, either version 1.3
+ of this license or (at your option) any later version.
+ The latest version of this license is in
+ http://www.latex-project.org/lppl.txt
+ and version 1.3 or later is part of all distributions of LaTeX
+ version 2005/12/01 or later.
+
+ This work has the LPPL maintenance status `maintained'.
+
+ The Current Maintainer of this work is Louis Paternault
+
+ This work consists of the files pixelart.sty, pixelart.lua, pixelart.tex.
+--]]
+
require("lualibs-lpeg")
-local luakeys = require("luakeys")
+local luakeys = require("luakeys")()
pixelart = {
_debug = false,
@@ -16,7 +34,6 @@ local function pixelart_setpixelartdebug(flag)
end
pixelart.setpixelartdebug = pixelart_setpixelartdebug
-pixelart.setpixelartdebug = pixelart_setpixelartdebug
--------------------------------------------------------------------------------
--[[ Print
@@ -269,6 +286,11 @@ end
local function pixelart_body_squares(array, colors, options)
-- Draw the tikz pixels, as a set of squares.
+ if #array == 0 then
+ -- Empty array
+ return
+ end
+
tex_print(string.format(
[[\clip ({0-%s}, {0-%s}) rectangle (%s, %s); ]],
options.margin,