From 46d2ce085ea47f7f9b86ec74858c6cc1317b04a6 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Rollo <dev@pyrollo.com>
Date: Tue, 19 Dec 2017 21:52:49 +0100
Subject: [PATCH] Multiple fonts and UTF chars support

---
 README.md                                     |  10 +
 font_lib/API.md                               |  57 ++++-
 font_lib/README.md                            |   4 +-
 font_lib/font_default.lua                     |  12 +
 font_lib/init.lua                             | 241 ++++++++++++------
 ...{font_lib_00.png => font_default_0000.png} | Bin
 ...{font_lib_20.png => font_default_0020.png} | Bin
 ...{font_lib_21.png => font_default_0021.png} | Bin
 ...{font_lib_22.png => font_default_0022.png} | Bin
 ...{font_lib_23.png => font_default_0023.png} | Bin
 ...{font_lib_24.png => font_default_0024.png} | Bin
 ...{font_lib_25.png => font_default_0025.png} | Bin
 ...{font_lib_26.png => font_default_0026.png} | Bin
 ...{font_lib_27.png => font_default_0027.png} | Bin
 ...{font_lib_28.png => font_default_0028.png} | Bin
 ...{font_lib_29.png => font_default_0029.png} | Bin
 ...{font_lib_2a.png => font_default_002a.png} | Bin
 ...{font_lib_2b.png => font_default_002b.png} | Bin
 ...{font_lib_2c.png => font_default_002c.png} | Bin
 ...{font_lib_2d.png => font_default_002d.png} | Bin
 ...{font_lib_2e.png => font_default_002e.png} | Bin
 ...{font_lib_2f.png => font_default_002f.png} | Bin
 ...{font_lib_30.png => font_default_0030.png} | Bin
 ...{font_lib_31.png => font_default_0031.png} | Bin
 ...{font_lib_32.png => font_default_0032.png} | Bin
 ...{font_lib_33.png => font_default_0033.png} | Bin
 ...{font_lib_34.png => font_default_0034.png} | Bin
 ...{font_lib_35.png => font_default_0035.png} | Bin
 ...{font_lib_36.png => font_default_0036.png} | Bin
 ...{font_lib_37.png => font_default_0037.png} | Bin
 ...{font_lib_38.png => font_default_0038.png} | Bin
 ...{font_lib_39.png => font_default_0039.png} | Bin
 ...{font_lib_3a.png => font_default_003a.png} | Bin
 ...{font_lib_3b.png => font_default_003b.png} | Bin
 ...{font_lib_3c.png => font_default_003c.png} | Bin
 ...{font_lib_3d.png => font_default_003d.png} | Bin
 ...{font_lib_3e.png => font_default_003e.png} | Bin
 ...{font_lib_3f.png => font_default_003f.png} | Bin
 ...{font_lib_40.png => font_default_0040.png} | Bin
 ...{font_lib_41.png => font_default_0041.png} | Bin
 ...{font_lib_42.png => font_default_0042.png} | Bin
 ...{font_lib_43.png => font_default_0043.png} | Bin
 ...{font_lib_44.png => font_default_0044.png} | Bin
 ...{font_lib_45.png => font_default_0045.png} | Bin
 ...{font_lib_46.png => font_default_0046.png} | Bin
 ...{font_lib_47.png => font_default_0047.png} | Bin
 ...{font_lib_48.png => font_default_0048.png} | Bin
 ...{font_lib_49.png => font_default_0049.png} | Bin
 ...{font_lib_4a.png => font_default_004a.png} | Bin
 ...{font_lib_4b.png => font_default_004b.png} | Bin
 ...{font_lib_4c.png => font_default_004c.png} | Bin
 ...{font_lib_4d.png => font_default_004d.png} | Bin
 ...{font_lib_4e.png => font_default_004e.png} | Bin
 ...{font_lib_4f.png => font_default_004f.png} | Bin
 ...{font_lib_50.png => font_default_0050.png} | Bin
 ...{font_lib_51.png => font_default_0051.png} | Bin
 ...{font_lib_52.png => font_default_0052.png} | Bin
 ...{font_lib_53.png => font_default_0053.png} | Bin
 ...{font_lib_54.png => font_default_0054.png} | Bin
 ...{font_lib_55.png => font_default_0055.png} | Bin
 ...{font_lib_56.png => font_default_0056.png} | Bin
 ...{font_lib_57.png => font_default_0057.png} | Bin
 ...{font_lib_58.png => font_default_0058.png} | Bin
 ...{font_lib_59.png => font_default_0059.png} | Bin
 ...{font_lib_5a.png => font_default_005a.png} | Bin
 ...{font_lib_5b.png => font_default_005b.png} | Bin
 ...{font_lib_5c.png => font_default_005c.png} | Bin
 ...{font_lib_5d.png => font_default_005d.png} | Bin
 ...{font_lib_5e.png => font_default_005e.png} | Bin
 ...{font_lib_5f.png => font_default_005f.png} | Bin
 ...{font_lib_60.png => font_default_0060.png} | Bin
 ...{font_lib_61.png => font_default_0061.png} | Bin
 ...{font_lib_62.png => font_default_0062.png} | Bin
 ...{font_lib_63.png => font_default_0063.png} | Bin
 ...{font_lib_64.png => font_default_0064.png} | Bin
 ...{font_lib_65.png => font_default_0065.png} | Bin
 ...{font_lib_66.png => font_default_0066.png} | Bin
 ...{font_lib_67.png => font_default_0067.png} | Bin
 ...{font_lib_68.png => font_default_0068.png} | Bin
 ...{font_lib_69.png => font_default_0069.png} | Bin
 ...{font_lib_6a.png => font_default_006a.png} | Bin
 ...{font_lib_6b.png => font_default_006b.png} | Bin
 ...{font_lib_6c.png => font_default_006c.png} | Bin
 ...{font_lib_6d.png => font_default_006d.png} | Bin
 ...{font_lib_6e.png => font_default_006e.png} | Bin
 ...{font_lib_6f.png => font_default_006f.png} | Bin
 ...{font_lib_70.png => font_default_0070.png} | Bin
 ...{font_lib_71.png => font_default_0071.png} | Bin
 ...{font_lib_72.png => font_default_0072.png} | Bin
 ...{font_lib_73.png => font_default_0073.png} | Bin
 ...{font_lib_74.png => font_default_0074.png} | Bin
 ...{font_lib_75.png => font_default_0075.png} | Bin
 ...{font_lib_76.png => font_default_0076.png} | Bin
 ...{font_lib_77.png => font_default_0077.png} | Bin
 ...{font_lib_78.png => font_default_0078.png} | Bin
 ...{font_lib_79.png => font_default_0079.png} | Bin
 ...{font_lib_7a.png => font_default_007a.png} | Bin
 ...{font_lib_7b.png => font_default_007b.png} | Bin
 ...{font_lib_7c.png => font_default_007c.png} | Bin
 ...{font_lib_7d.png => font_default_007d.png} | Bin
 ...{font_lib_7e.png => font_default_007e.png} | Bin
 ...{font_lib_8a.png => font_default_008a.png} | Bin
 ...{font_lib_8d.png => font_default_008d.png} | Bin
 ...{font_lib_a1.png => font_default_00a1.png} | Bin
 ...{font_lib_b1.png => font_default_00b1.png} | Bin
 ...{font_lib_bf.png => font_default_00bf.png} | Bin
 ...{font_lib_c1.png => font_default_00c1.png} | Bin
 ...{font_lib_c2.png => font_default_00c2.png} | Bin
 ...{font_lib_c3.png => font_default_00c3.png} | Bin
 ...{font_lib_c4.png => font_default_00c4.png} | Bin
 ...{font_lib_c5.png => font_default_00c5.png} | Bin
 ...{font_lib_c6.png => font_default_00c6.png} | Bin
 ...{font_lib_c7.png => font_default_00c7.png} | Bin
 ...{font_lib_c8.png => font_default_00c8.png} | Bin
 ...{font_lib_c9.png => font_default_00c9.png} | Bin
 ...{font_lib_ca.png => font_default_00ca.png} | Bin
 ...{font_lib_cb.png => font_default_00cb.png} | Bin
 ...{font_lib_cc.png => font_default_00cc.png} | Bin
 ...{font_lib_cd.png => font_default_00cd.png} | Bin
 ...{font_lib_ce.png => font_default_00ce.png} | Bin
 ...{font_lib_cf.png => font_default_00cf.png} | Bin
 ...{font_lib_d0.png => font_default_00d0.png} | Bin
 ...{font_lib_d1.png => font_default_00d1.png} | Bin
 ...{font_lib_d2.png => font_default_00d2.png} | Bin
 ...{font_lib_d3.png => font_default_00d3.png} | Bin
 ...{font_lib_d4.png => font_default_00d4.png} | Bin
 ...{font_lib_d5.png => font_default_00d5.png} | Bin
 ...{font_lib_d6.png => font_default_00d6.png} | Bin
 ...{font_lib_d7.png => font_default_00d7.png} | Bin
 ...{font_lib_d8.png => font_default_00d8.png} | Bin
 ...{font_lib_d9.png => font_default_00d9.png} | Bin
 ...{font_lib_da.png => font_default_00da.png} | Bin
 ...{font_lib_db.png => font_default_00db.png} | Bin
 ...{font_lib_dc.png => font_default_00dc.png} | Bin
 ...{font_lib_dd.png => font_default_00dd.png} | Bin
 ...{font_lib_e0.png => font_default_00e0.png} | Bin
 ...{font_lib_e1.png => font_default_00e1.png} | Bin
 ...{font_lib_e2.png => font_default_00e2.png} | Bin
 ...{font_lib_e3.png => font_default_00e3.png} | Bin
 ...{font_lib_e4.png => font_default_00e4.png} | Bin
 ...{font_lib_e5.png => font_default_00e5.png} | Bin
 ...{font_lib_e6.png => font_default_00e6.png} | Bin
 ...{font_lib_e7.png => font_default_00e7.png} | Bin
 ...{font_lib_e8.png => font_default_00e8.png} | Bin
 ...{font_lib_e9.png => font_default_00e9.png} | Bin
 ...{font_lib_ea.png => font_default_00ea.png} | Bin
 ...{font_lib_eb.png => font_default_00eb.png} | Bin
 ...{font_lib_ec.png => font_default_00ec.png} | Bin
 ...{font_lib_ed.png => font_default_00ed.png} | Bin
 ...{font_lib_ee.png => font_default_00ee.png} | Bin
 ...{font_lib_ef.png => font_default_00ef.png} | Bin
 ...{font_lib_f2.png => font_default_00f2.png} | Bin
 ...{font_lib_f4.png => font_default_00f4.png} | Bin
 ...{font_lib_f5.png => font_default_00f5.png} | Bin
 ...{font_lib_f6.png => font_default_00f6.png} | Bin
 ...{font_lib_f7.png => font_default_00f7.png} | Bin
 ...{font_lib_f9.png => font_default_00f9.png} | Bin
 ...{font_lib_fa.png => font_default_00fa.png} | Bin
 ...{font_lib_fb.png => font_default_00fb.png} | Bin
 ...{font_lib_fc.png => font_default_00fc.png} | Bin
 ...{font_lib_fd.png => font_default_00fd.png} | Bin
 ...{font_lib_ff.png => font_default_00ff.png} | Bin
 font_lib/tools/make_font_lua.sh               |  48 ++++
 163 files changed, 291 insertions(+), 81 deletions(-)
 create mode 100644 font_lib/font_default.lua
 rename font_lib/textures/{font_lib_00.png => font_default_0000.png} (100%)
 rename font_lib/textures/{font_lib_20.png => font_default_0020.png} (100%)
 rename font_lib/textures/{font_lib_21.png => font_default_0021.png} (100%)
 rename font_lib/textures/{font_lib_22.png => font_default_0022.png} (100%)
 rename font_lib/textures/{font_lib_23.png => font_default_0023.png} (100%)
 rename font_lib/textures/{font_lib_24.png => font_default_0024.png} (100%)
 rename font_lib/textures/{font_lib_25.png => font_default_0025.png} (100%)
 rename font_lib/textures/{font_lib_26.png => font_default_0026.png} (100%)
 rename font_lib/textures/{font_lib_27.png => font_default_0027.png} (100%)
 rename font_lib/textures/{font_lib_28.png => font_default_0028.png} (100%)
 rename font_lib/textures/{font_lib_29.png => font_default_0029.png} (100%)
 rename font_lib/textures/{font_lib_2a.png => font_default_002a.png} (100%)
 rename font_lib/textures/{font_lib_2b.png => font_default_002b.png} (100%)
 rename font_lib/textures/{font_lib_2c.png => font_default_002c.png} (100%)
 rename font_lib/textures/{font_lib_2d.png => font_default_002d.png} (100%)
 rename font_lib/textures/{font_lib_2e.png => font_default_002e.png} (100%)
 rename font_lib/textures/{font_lib_2f.png => font_default_002f.png} (100%)
 rename font_lib/textures/{font_lib_30.png => font_default_0030.png} (100%)
 rename font_lib/textures/{font_lib_31.png => font_default_0031.png} (100%)
 rename font_lib/textures/{font_lib_32.png => font_default_0032.png} (100%)
 rename font_lib/textures/{font_lib_33.png => font_default_0033.png} (100%)
 rename font_lib/textures/{font_lib_34.png => font_default_0034.png} (100%)
 rename font_lib/textures/{font_lib_35.png => font_default_0035.png} (100%)
 rename font_lib/textures/{font_lib_36.png => font_default_0036.png} (100%)
 rename font_lib/textures/{font_lib_37.png => font_default_0037.png} (100%)
 rename font_lib/textures/{font_lib_38.png => font_default_0038.png} (100%)
 rename font_lib/textures/{font_lib_39.png => font_default_0039.png} (100%)
 rename font_lib/textures/{font_lib_3a.png => font_default_003a.png} (100%)
 rename font_lib/textures/{font_lib_3b.png => font_default_003b.png} (100%)
 rename font_lib/textures/{font_lib_3c.png => font_default_003c.png} (100%)
 rename font_lib/textures/{font_lib_3d.png => font_default_003d.png} (100%)
 rename font_lib/textures/{font_lib_3e.png => font_default_003e.png} (100%)
 rename font_lib/textures/{font_lib_3f.png => font_default_003f.png} (100%)
 rename font_lib/textures/{font_lib_40.png => font_default_0040.png} (100%)
 rename font_lib/textures/{font_lib_41.png => font_default_0041.png} (100%)
 rename font_lib/textures/{font_lib_42.png => font_default_0042.png} (100%)
 rename font_lib/textures/{font_lib_43.png => font_default_0043.png} (100%)
 rename font_lib/textures/{font_lib_44.png => font_default_0044.png} (100%)
 rename font_lib/textures/{font_lib_45.png => font_default_0045.png} (100%)
 rename font_lib/textures/{font_lib_46.png => font_default_0046.png} (100%)
 rename font_lib/textures/{font_lib_47.png => font_default_0047.png} (100%)
 rename font_lib/textures/{font_lib_48.png => font_default_0048.png} (100%)
 rename font_lib/textures/{font_lib_49.png => font_default_0049.png} (100%)
 rename font_lib/textures/{font_lib_4a.png => font_default_004a.png} (100%)
 rename font_lib/textures/{font_lib_4b.png => font_default_004b.png} (100%)
 rename font_lib/textures/{font_lib_4c.png => font_default_004c.png} (100%)
 rename font_lib/textures/{font_lib_4d.png => font_default_004d.png} (100%)
 rename font_lib/textures/{font_lib_4e.png => font_default_004e.png} (100%)
 rename font_lib/textures/{font_lib_4f.png => font_default_004f.png} (100%)
 rename font_lib/textures/{font_lib_50.png => font_default_0050.png} (100%)
 rename font_lib/textures/{font_lib_51.png => font_default_0051.png} (100%)
 rename font_lib/textures/{font_lib_52.png => font_default_0052.png} (100%)
 rename font_lib/textures/{font_lib_53.png => font_default_0053.png} (100%)
 rename font_lib/textures/{font_lib_54.png => font_default_0054.png} (100%)
 rename font_lib/textures/{font_lib_55.png => font_default_0055.png} (100%)
 rename font_lib/textures/{font_lib_56.png => font_default_0056.png} (100%)
 rename font_lib/textures/{font_lib_57.png => font_default_0057.png} (100%)
 rename font_lib/textures/{font_lib_58.png => font_default_0058.png} (100%)
 rename font_lib/textures/{font_lib_59.png => font_default_0059.png} (100%)
 rename font_lib/textures/{font_lib_5a.png => font_default_005a.png} (100%)
 rename font_lib/textures/{font_lib_5b.png => font_default_005b.png} (100%)
 rename font_lib/textures/{font_lib_5c.png => font_default_005c.png} (100%)
 rename font_lib/textures/{font_lib_5d.png => font_default_005d.png} (100%)
 rename font_lib/textures/{font_lib_5e.png => font_default_005e.png} (100%)
 rename font_lib/textures/{font_lib_5f.png => font_default_005f.png} (100%)
 rename font_lib/textures/{font_lib_60.png => font_default_0060.png} (100%)
 rename font_lib/textures/{font_lib_61.png => font_default_0061.png} (100%)
 rename font_lib/textures/{font_lib_62.png => font_default_0062.png} (100%)
 rename font_lib/textures/{font_lib_63.png => font_default_0063.png} (100%)
 rename font_lib/textures/{font_lib_64.png => font_default_0064.png} (100%)
 rename font_lib/textures/{font_lib_65.png => font_default_0065.png} (100%)
 rename font_lib/textures/{font_lib_66.png => font_default_0066.png} (100%)
 rename font_lib/textures/{font_lib_67.png => font_default_0067.png} (100%)
 rename font_lib/textures/{font_lib_68.png => font_default_0068.png} (100%)
 rename font_lib/textures/{font_lib_69.png => font_default_0069.png} (100%)
 rename font_lib/textures/{font_lib_6a.png => font_default_006a.png} (100%)
 rename font_lib/textures/{font_lib_6b.png => font_default_006b.png} (100%)
 rename font_lib/textures/{font_lib_6c.png => font_default_006c.png} (100%)
 rename font_lib/textures/{font_lib_6d.png => font_default_006d.png} (100%)
 rename font_lib/textures/{font_lib_6e.png => font_default_006e.png} (100%)
 rename font_lib/textures/{font_lib_6f.png => font_default_006f.png} (100%)
 rename font_lib/textures/{font_lib_70.png => font_default_0070.png} (100%)
 rename font_lib/textures/{font_lib_71.png => font_default_0071.png} (100%)
 rename font_lib/textures/{font_lib_72.png => font_default_0072.png} (100%)
 rename font_lib/textures/{font_lib_73.png => font_default_0073.png} (100%)
 rename font_lib/textures/{font_lib_74.png => font_default_0074.png} (100%)
 rename font_lib/textures/{font_lib_75.png => font_default_0075.png} (100%)
 rename font_lib/textures/{font_lib_76.png => font_default_0076.png} (100%)
 rename font_lib/textures/{font_lib_77.png => font_default_0077.png} (100%)
 rename font_lib/textures/{font_lib_78.png => font_default_0078.png} (100%)
 rename font_lib/textures/{font_lib_79.png => font_default_0079.png} (100%)
 rename font_lib/textures/{font_lib_7a.png => font_default_007a.png} (100%)
 rename font_lib/textures/{font_lib_7b.png => font_default_007b.png} (100%)
 rename font_lib/textures/{font_lib_7c.png => font_default_007c.png} (100%)
 rename font_lib/textures/{font_lib_7d.png => font_default_007d.png} (100%)
 rename font_lib/textures/{font_lib_7e.png => font_default_007e.png} (100%)
 rename font_lib/textures/{font_lib_8a.png => font_default_008a.png} (100%)
 rename font_lib/textures/{font_lib_8d.png => font_default_008d.png} (100%)
 rename font_lib/textures/{font_lib_a1.png => font_default_00a1.png} (100%)
 rename font_lib/textures/{font_lib_b1.png => font_default_00b1.png} (100%)
 rename font_lib/textures/{font_lib_bf.png => font_default_00bf.png} (100%)
 rename font_lib/textures/{font_lib_c1.png => font_default_00c1.png} (100%)
 rename font_lib/textures/{font_lib_c2.png => font_default_00c2.png} (100%)
 rename font_lib/textures/{font_lib_c3.png => font_default_00c3.png} (100%)
 rename font_lib/textures/{font_lib_c4.png => font_default_00c4.png} (100%)
 rename font_lib/textures/{font_lib_c5.png => font_default_00c5.png} (100%)
 rename font_lib/textures/{font_lib_c6.png => font_default_00c6.png} (100%)
 rename font_lib/textures/{font_lib_c7.png => font_default_00c7.png} (100%)
 rename font_lib/textures/{font_lib_c8.png => font_default_00c8.png} (100%)
 rename font_lib/textures/{font_lib_c9.png => font_default_00c9.png} (100%)
 rename font_lib/textures/{font_lib_ca.png => font_default_00ca.png} (100%)
 rename font_lib/textures/{font_lib_cb.png => font_default_00cb.png} (100%)
 rename font_lib/textures/{font_lib_cc.png => font_default_00cc.png} (100%)
 rename font_lib/textures/{font_lib_cd.png => font_default_00cd.png} (100%)
 rename font_lib/textures/{font_lib_ce.png => font_default_00ce.png} (100%)
 rename font_lib/textures/{font_lib_cf.png => font_default_00cf.png} (100%)
 rename font_lib/textures/{font_lib_d0.png => font_default_00d0.png} (100%)
 rename font_lib/textures/{font_lib_d1.png => font_default_00d1.png} (100%)
 rename font_lib/textures/{font_lib_d2.png => font_default_00d2.png} (100%)
 rename font_lib/textures/{font_lib_d3.png => font_default_00d3.png} (100%)
 rename font_lib/textures/{font_lib_d4.png => font_default_00d4.png} (100%)
 rename font_lib/textures/{font_lib_d5.png => font_default_00d5.png} (100%)
 rename font_lib/textures/{font_lib_d6.png => font_default_00d6.png} (100%)
 rename font_lib/textures/{font_lib_d7.png => font_default_00d7.png} (100%)
 rename font_lib/textures/{font_lib_d8.png => font_default_00d8.png} (100%)
 rename font_lib/textures/{font_lib_d9.png => font_default_00d9.png} (100%)
 rename font_lib/textures/{font_lib_da.png => font_default_00da.png} (100%)
 rename font_lib/textures/{font_lib_db.png => font_default_00db.png} (100%)
 rename font_lib/textures/{font_lib_dc.png => font_default_00dc.png} (100%)
 rename font_lib/textures/{font_lib_dd.png => font_default_00dd.png} (100%)
 rename font_lib/textures/{font_lib_e0.png => font_default_00e0.png} (100%)
 rename font_lib/textures/{font_lib_e1.png => font_default_00e1.png} (100%)
 rename font_lib/textures/{font_lib_e2.png => font_default_00e2.png} (100%)
 rename font_lib/textures/{font_lib_e3.png => font_default_00e3.png} (100%)
 rename font_lib/textures/{font_lib_e4.png => font_default_00e4.png} (100%)
 rename font_lib/textures/{font_lib_e5.png => font_default_00e5.png} (100%)
 rename font_lib/textures/{font_lib_e6.png => font_default_00e6.png} (100%)
 rename font_lib/textures/{font_lib_e7.png => font_default_00e7.png} (100%)
 rename font_lib/textures/{font_lib_e8.png => font_default_00e8.png} (100%)
 rename font_lib/textures/{font_lib_e9.png => font_default_00e9.png} (100%)
 rename font_lib/textures/{font_lib_ea.png => font_default_00ea.png} (100%)
 rename font_lib/textures/{font_lib_eb.png => font_default_00eb.png} (100%)
 rename font_lib/textures/{font_lib_ec.png => font_default_00ec.png} (100%)
 rename font_lib/textures/{font_lib_ed.png => font_default_00ed.png} (100%)
 rename font_lib/textures/{font_lib_ee.png => font_default_00ee.png} (100%)
 rename font_lib/textures/{font_lib_ef.png => font_default_00ef.png} (100%)
 rename font_lib/textures/{font_lib_f2.png => font_default_00f2.png} (100%)
 rename font_lib/textures/{font_lib_f4.png => font_default_00f4.png} (100%)
 rename font_lib/textures/{font_lib_f5.png => font_default_00f5.png} (100%)
 rename font_lib/textures/{font_lib_f6.png => font_default_00f6.png} (100%)
 rename font_lib/textures/{font_lib_f7.png => font_default_00f7.png} (100%)
 rename font_lib/textures/{font_lib_f9.png => font_default_00f9.png} (100%)
 rename font_lib/textures/{font_lib_fa.png => font_default_00fa.png} (100%)
 rename font_lib/textures/{font_lib_fb.png => font_default_00fb.png} (100%)
 rename font_lib/textures/{font_lib_fc.png => font_default_00fc.png} (100%)
 rename font_lib/textures/{font_lib_fd.png => font_default_00fd.png} (100%)
 rename font_lib/textures/{font_lib_ff.png => font_default_00ff.png} (100%)
 create mode 100755 font_lib/tools/make_font_lua.sh

diff --git a/README.md b/README.md
index 0bc0f83..e96ddd7 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,16 @@ For more information, see the [forum topic](https://forum.minetest.net/viewtopic
 
 ## Changelog
 
+### 2017-12-19
+
+This change is a preparation to merge Andrzej Pieńkowski fork (apienk) : new font and support of UTF chars.
+
+- Font\_lib support for multiple fonts (nothing yet visible in mods) ;
+
+- Font\_lib support for Unicode characters (limited to Unicode Plane 0: 0000-FFFF, see [Wikipedia](https://en.wikipedia.org/wiki/Unicode)) ; 
+
+- New "default" font with original textures from Vanessa Ezekowitz (VanessaE) ;
+
 ### 2017-12-10
 
 - Compatibility of signs mod with signs_lib (thanks to gpcf) ;
diff --git a/font_lib/API.md b/font_lib/API.md
index 7ec499b..b8bc97a 100644
--- a/font_lib/API.md
+++ b/font_lib/API.md
@@ -2,19 +2,24 @@
 This document describes Font Lib API. Font Lib creates textures for font display on entities.
 
 ## Provided methods
-### get\_line\_width
-**font\_lib.get\_line\_width(text)**
+### get\_text\_size
+**font\_lib.get\_text\_size(font\_name, text)**
+
+Computes size for a given font and text
+
+**font\_name**: Font name of registered font to use
 
-Computes line width for a given font height and text
 **text**: Text to be rendered
 
-**Returns**: rendered text width
+**Returns**: rendered text width, height
 
 ### make\_line\_texture
-**font\_lib.make\_line\_texture(text, texturew, x, y)**
+**font\_lib.make\_line\_texture(font\_name, text, width, x, y)**
 
 Builds texture part for a text line
 
+**font\_name**: Font name of registered font to use
+
 **text**: Text to be rendered
 
 **texturew**: Width of the texture (extra text is not rendered)
@@ -26,10 +31,12 @@ Builds texture part for a text line
 **Returns**: Texture string
 
 ### make\_multiline\_texture
-**font\_lib.make\_multiline\_texture(text, texturew, textureh, maxlines, valign, color)**
+**font\_lib.make\_multiline\_texture(font\_name, text, width, height, maxlines, valign, color)**
 
 Builds texture for a multiline colored text
 
+**font\_name**: Font name of registered font to use
+
 **text**: Text to be rendered
 
 **texturew**: Width of the texture (extra text will be truncated)
@@ -38,10 +45,46 @@ Builds texture for a multiline colored text
 
 **maxlines**: Maximum number of lines
 
-**valign**: Vertical text align ("top" or "center")
+**valign**: Vertical text align ("top", "bottom" or "center")
 
 **color**: Color of the text
 
 **Returns**: Texture string
 
+### register\_font
+**font\_lib.register_font(font\_name, height, widths)**
+
+Registers a new font in font_lib.
+
+**font\_name**: Name of the font to register (this name will be used to address the font later)
+
+**height**: Height of the font in pixels (all font textures should have the same height)
+
+**widths** : An array containing the width of each font texture, indexed by its UTF code
+
+All textures corresponding to the indexes in **widths** array should be present in textures directory with a name matching the pattern :
+
+**font\_<font\_name>_<utf\_code>.png**
+
+<font\_name>: Name of the font as given in the first argument
+
+<utf\_code>: UTF code of the char in 4 hexadecimal digits
+
+To ease that declaration, a shell is provided to build a <font\_name>.lua file from the texture files (see provided tools).
+
+### set\_fallback\_font
+**function font\_lib.set\_fallback\_font(font\_name)**
+
+Defines the fallback font to be used instead of given font if not registered.
+
+**font\_name**: Name of the font to be used as fallback font (has to be registered)
+
+## Provided tools
+
+### make_font_lua.sh
+
+Still in early stage of development.
+
+This script analyses textures in textures directory and creates a font\_<font\_name>.lua files with a call to register_font with images information.
+
 
diff --git a/font_lib/README.md b/font_lib/README.md
index 67903a9..6b53a6b 100644
--- a/font_lib/README.md
+++ b/font_lib/README.md
@@ -6,9 +6,9 @@ This library for font display on entities (to be used with display_lib for sign
 
 **License**: LGPL
 
-(Font taken from VanessaE's homedecor/signs_lib, originally under WTFPL)
+(Default font taken from VanessaE's homedecor/signs_lib, originally under WTFPL)
 
 **API**: See [API.md](https://github.com/pyrollo/display_modpack/blob/master/font_lib/API.md) document please.
 
-For more information, see the [forum topic](https://forum.minetest.net/viewtopic.php?f=11&t=13563) at the Minetest forums.
+For more information, see the [forum topic](https://forum.minetest.net/viewtopic.php?t=13563) at the Minetest forums.
 
diff --git a/font_lib/font_default.lua b/font_lib/font_default.lua
new file mode 100644
index 0000000..fef847a
--- /dev/null
+++ b/font_lib/font_default.lua
@@ -0,0 +1,12 @@
+--[[
+
+ generated by ./make_font_mod.sh Sun Dec 17 21:23:59 CET 2017
+
+--]]
+
+font_lib.register_font(
+	'default',
+	12,
+	{ [0]=6, [32]=4, [33]=3, [34]=4, [35]=7, [36]=6, [37]=8, [38]=8, [39]=3, [40]=4, [41]=4, [42]=4, [43]=7, [44]=3, [45]=5, [46]=3, [47]=5, [48]=6, [49]=4, [50]=6, [51]=6, [52]=7, [53]=6, [54]=6, [55]=6, [56]=6, [57]=6, [58]=3, [59]=3, [60]=5, [61]=6, [62]=5, [63]=6, [64]=11, [65]=8, [66]=7, [67]=8, [68]=7, [69]=6, [70]=6, [71]=8, [72]=7, [73]=3, [74]=6, [75]=8, [76]=6, [77]=10, [78]=8, [79]=8, [80]=7, [81]=8, [82]=7, [83]=7, [84]=7, [85]=7, [86]=8, [87]=11, [88]=8, [89]=9, [90]=7, [91]=4, [92]=5, [93]=4, [94]=5, [95]=7, [96]=3, [97]=7, [98]=6, [99]=5, [100]=6, [101]=6, [102]=5, [103]=6, [104]=6, [105]=3, [106]=3, [107]=7, [108]=3, [109]=9, [110]=6, [111]=6, [112]=6, [113]=6, [114]=5, [115]=6, [116]=4, [117]=6, [118]=6, [119]=8, [120]=7, [121]=6, [122]=6, [123]=5, [124]=3, [125]=5, [126]=6, [138]=6, [141]=3, [161]=3, [177]=6, [191]=6, [193]=8, [194]=8, [195]=8, [196]=8, [197]=8, [198]=10, [199]=8, [200]=6, [201]=6, [202]=6, [203]=6, [204]=3, [205]=3, [206]=3, [207]=3, [208]=8, [209]=8, [210]=8, [211]=8, [212]=8, [213]=8, [214]=8, [215]=6, [216]=8, [217]=7, [218]=7, [219]=7, [220]=7, [221]=9, [224]=7, [225]=7, [226]=7, [227]=7, [228]=7, [229]=7, [230]=9, [231]=5, [232]=6, [233]=6, [234]=6, [235]=6, [236]=3, [237]=3, [238]=3, [239]=3, [242]=6, [244]=6, [245]=6, [246]=6, [247]=6, [249]=6, [250]=6, [251]=6, [252]=6, [253]=6, [255]=6 }
+);
+
diff --git a/font_lib/init.lua b/font_lib/init.lua
index 9dd6908..c1cee07 100644
--- a/font_lib/init.lua
+++ b/font_lib/init.lua
@@ -21,26 +21,12 @@
 
 font_lib = {}
 font_lib.path = minetest.get_modpath("font_lib")
-font_lib.font_height = 12
-font_lib.font = {}
+font_lib.registered_fonts = {}
 
 -- Local functions
+------------------
 
-local function get_next_char(text, pos)
-	pos = pos + 1
-	local char = text:sub(pos, pos):byte()
-	if char >= 0x80 then
-		if char == 0xc2 or char == 0xc3 then
-			pos = pos + 1
-			char = (char - 0xc2) * 0x40 + text:sub(pos, pos):byte()
-		else
-			char = 0
-		end
-	end
-	if font_lib.font[char] == nil then char=0 end
-
-	return char, pos
-end
+-- Split multiline text into array of lines, with <maxlines> maximum lines.
 
 local function split_lines(text, maxlines)
 	local splits = text:split("\n")
@@ -55,49 +41,125 @@ local function split_lines(text, maxlines)
 	end
 end
 
--- Computes line width for a given font height and text
--- @param text Text to be rendered
--- @return Rendered text width
+-- Returns next char, managing ascii and unicode plane 0 (0000-FFFF).
 
-function font_lib.get_line_width(text)
-	local char
-	local width = 0
-    local p=0
- 
-	while p < #text do
-		char, p = get_next_char(text, p)
-		width = width + font_lib.font[char].width
+local function get_next_char(text, pos)
+	pos = pos + 1
+	local char = text:sub(pos, pos):byte()
+
+	-- 4 bytes char not managed
+	if char >= 0xF0 then
+		pos = pos + 3
+		return 0, pos
+	end
+		
+	-- 3 bytes char not managed
+	if char >= 0xE0 then
+		pos = pos + 2
+		return 0, pos
+	end
+		
+	-- 2 bytes char (little endian)
+	if char >= 0x80 then
+		pos = pos + 1
+		return char * 0x100 + text:sub(pos, pos):byte(), pos
+	end
+	
+	-- 1 byte char
+	return char, pos
+end
+
+-- Returns font properties to be used according to font_name
+
+local function get_font(font_name)
+	local font = font_lib.registered_fonts[font_name]
+
+	if font == nil then
+		local message 
+
+		if font_name == nil then
+			message = "No font given"
+		else
+			message = "Font \""..font_name.."\" unregistered"
+		end
+
+		if font_lib.fallback_font == nil then
+			minetest.log("error", message.." and no other font registered.")
+		else
+			minetest.log("info", message..", using font \""..font_lib.fallback_font.."\".")
+			font = font_lib.registered_fonts[font_lib.fallback_font]
+		end
 	end
 
-	return width
+	return font
+end
+
+-- API functions
+----------------
+
+-- Computes text size for a given font and text (ignores new lines)
+-- @param font_name Font to be used
+-- @param text Text to be rendered
+-- @return Rendered text (width, height)
+
+function font_lib.get_text_size(font_name, text)
+	local char
+	local width = 0
+    local pos = 0
+	local font = get_font(font_name)
+
+	if font == nil then
+		return 0, 0
+	else
+		while pos < #text do
+			char, pos = get_next_char(text, pos)
+			-- Ignore chars with no texture
+			if font.widths[char] ~= nil then
+				width = width + font.widths[char]
+			end
+		end
+	end
+	
+	return width, font.height
 end
 
 --- Builds texture part for a text line
+-- @param font_name Font to be used
 -- @param text Text to be rendered
--- @param texturew Width of the texture (extra text is not rendered)
+-- @param width Width of the texture (extra text is not rendered)
 -- @param x Starting x position in texture
 -- @param y Vertical position of the line in texture
 -- @return Texture string
 
-function font_lib.make_line_texture(text, texturew, x, y)
-	local char
+--> ADD ALIGN
+function font_lib.make_line_texture(font_name, text, width, x, y)
 	local texture = ""
-    local p=0
- 
-	while p < #text do
-		char, p = get_next_char(text, p)
+	local char
+	local pos = 0
+	local font = get_font(font_name)
 
-		-- Add image only if it is visible (at least partly)
-		if x + font_lib.font[char].width >= 0 and x <= texturew then
-			texture = texture..string.format(":%d,%d=%s", x, y, font_lib.font[char].filename)
+	if font ~= nil then
+		while pos < #text do
+			char, pos = get_next_char(text, pos)
+	
+			-- Ignore chars with no texture
+			if font.widths[char] ~= nil then
+				-- Add image only if it is visible (at least partly)
+				if x + font.widths[char] >= 0 and x <= width then
+					texture = texture..
+						string.format(":%d,%d=font_%s_%04x.png", 
+						              x, y, font.name, char)
+				end
+				x = x + font.widths[char]
+			end
 		end
-		x = x + font_lib.font[char].width
-
 	end
+	
 	return texture
 end
 
 --- Builds texture for a multiline colored text
+-- @param font_name Font to be used
 -- @param text Text to be rendered
 -- @param texturew Width of the texture (extra text will be truncated)
 -- @param textureh Height of the texture
@@ -106,29 +168,78 @@ end
 -- @param color Color of the text
 -- @return Texture string
 
-function font_lib.make_multiline_texture(text, texturew, textureh, maxlines, valign, color)
+function font_lib.make_multiline_texture(font_name, text, width, height, 
+                                         maxlines, valign, color)
 	local texture = ""
-	local lines = split_lines(text, maxlines)
-	local y
-
-	if valign == "top" then
-		y = font_lib.font_height / 2 - 1
-	else		
-		y = (textureh - font_lib.font_height * #lines) / 2
-	end
-
+	local lines = {}
+    local textheight = 0
+	local y, w, h
+    
+    for num, line in pairs(split_lines(text, maxlines)) do
+        w, h = font_lib.get_text_size(font_name, line)
+        lines[num] = { text = line, width = w, height = h, }
+        textheight = textheight + h
+    end
+    
+    if #lines then
+        if valign == "top" then
+            y = 0
+        elseif valign == "bottom" then
+            y = height - textheight
+        else		
+            y = (height - textheight) / 2
+        end
+    end
+    
 	for _, line in pairs(lines) do
-		texture = texture..font_lib.make_line_texture(line, texturew,
-			(texturew - font_lib.get_line_width(line)) / 2, y)
-		y = y + font_lib.font_height
+		texture = texture..
+			font_lib.make_line_texture(font_name, line.text, width,
+			(width - line.width) / 2, y)
+		y = y + line.height
 	end
 
-	texture = string.format("[combine:%dx%d", texturew, textureh)..texture
+	texture = string.format("[combine:%dx%d", width, height)..texture
 	if color then texture = texture.."^[colorize:"..color end
 
 	return texture
 end
 
+--- Register a new font
+-- Textures corresponding to the font should be named after following patern :
+-- font_<name>_<code>.png
+-- <name> : name of the font
+-- <code> : 4 digit hexadecimal unicode of the char
+-- If registering different sizes, add size in the font name (e.g. times_10, times_12...)
+-- @param height Font height in pixels
+-- @param widths Array of character widths in pixel, indexed by unicode number.
+
+function font_lib.register_font(font_name, height, widths)
+	if font_lib.registered_fonts[font_name] ~= nil then
+		minetest.log("error", "Font \""..font_name.."\" already registered.")
+		return
+	end
+	
+	font_lib.registered_fonts[font_name] = 
+		{ name = font_name, height = height, widths = widths }
+	
+	-- If no fallback font, set it (so, first font registered will be the default fallback font)
+	if font_lib.fallback_font == nil then
+		font_lib.fallback_font = font_name
+	end	
+end
+
+--- Define the fallback font
+-- This font will be used instead of given font if not registered.
+-- @param font_name Name of the font to be used as fallback font (has to be registered).
+
+function font_lib.set_fallback_font(font_name)
+	if font_lib.registered_fonts[font_name] == nil then
+		minetest.log("error", "Fallback font \""..font_name.."\" not registered.")
+	else
+		font_lib.fallback_font = font_name
+	end
+end
+
 --- Standard on_display_update entity callback.
 -- Node should have a corresponding display_entity with size, resolution and maxlines fields and 
 -- optionally valign and color fields
@@ -141,31 +252,17 @@ function font_lib.on_display_update(pos, objref)
 	local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
 	local entity = objref:get_luaentity()
 
-    if entity and ndef.display_entities[entity.name] then
+	if entity and ndef.display_entities[entity.name] then
 		local def = ndef.display_entities[entity.name]
 
 		objref:set_properties({ 
 			textures={font_lib.make_multiline_texture(
-				text, def.size.x*def.resolution.x, def.size.y*def.resolution.y, 
+				def.font_name, text, def.size.x*def.resolution.x, def.size.y*def.resolution.y, 
 				def.maxlines, def.valign, def.color)}, 
 			visual_size = def.size
 		})
 	end
 end
 
--- Populate fonts table
-
-local filename
-for char = 0,255 do
-	filename = string.format("font_lib_%02x.png", char)
-	local file=io.open(font_lib.path.."/textures/"..filename,"rb")
-	if file~=nil then 
-		-- Get png width, suposing png width is less than 256 (it is the case for all font textures)
-		-- All font png are smaller than 256x256 --> read only last byte
-		file:seek("set",19)
-		local w = file:read(1)
-		file:close()
-		font_lib.font[char] = {filename=filename, width=w:byte()}
-	end
-end
+dofile(font_lib.path.."/font_default.lua")
 
diff --git a/font_lib/textures/font_lib_00.png b/font_lib/textures/font_default_0000.png
similarity index 100%
rename from font_lib/textures/font_lib_00.png
rename to font_lib/textures/font_default_0000.png
diff --git a/font_lib/textures/font_lib_20.png b/font_lib/textures/font_default_0020.png
similarity index 100%
rename from font_lib/textures/font_lib_20.png
rename to font_lib/textures/font_default_0020.png
diff --git a/font_lib/textures/font_lib_21.png b/font_lib/textures/font_default_0021.png
similarity index 100%
rename from font_lib/textures/font_lib_21.png
rename to font_lib/textures/font_default_0021.png
diff --git a/font_lib/textures/font_lib_22.png b/font_lib/textures/font_default_0022.png
similarity index 100%
rename from font_lib/textures/font_lib_22.png
rename to font_lib/textures/font_default_0022.png
diff --git a/font_lib/textures/font_lib_23.png b/font_lib/textures/font_default_0023.png
similarity index 100%
rename from font_lib/textures/font_lib_23.png
rename to font_lib/textures/font_default_0023.png
diff --git a/font_lib/textures/font_lib_24.png b/font_lib/textures/font_default_0024.png
similarity index 100%
rename from font_lib/textures/font_lib_24.png
rename to font_lib/textures/font_default_0024.png
diff --git a/font_lib/textures/font_lib_25.png b/font_lib/textures/font_default_0025.png
similarity index 100%
rename from font_lib/textures/font_lib_25.png
rename to font_lib/textures/font_default_0025.png
diff --git a/font_lib/textures/font_lib_26.png b/font_lib/textures/font_default_0026.png
similarity index 100%
rename from font_lib/textures/font_lib_26.png
rename to font_lib/textures/font_default_0026.png
diff --git a/font_lib/textures/font_lib_27.png b/font_lib/textures/font_default_0027.png
similarity index 100%
rename from font_lib/textures/font_lib_27.png
rename to font_lib/textures/font_default_0027.png
diff --git a/font_lib/textures/font_lib_28.png b/font_lib/textures/font_default_0028.png
similarity index 100%
rename from font_lib/textures/font_lib_28.png
rename to font_lib/textures/font_default_0028.png
diff --git a/font_lib/textures/font_lib_29.png b/font_lib/textures/font_default_0029.png
similarity index 100%
rename from font_lib/textures/font_lib_29.png
rename to font_lib/textures/font_default_0029.png
diff --git a/font_lib/textures/font_lib_2a.png b/font_lib/textures/font_default_002a.png
similarity index 100%
rename from font_lib/textures/font_lib_2a.png
rename to font_lib/textures/font_default_002a.png
diff --git a/font_lib/textures/font_lib_2b.png b/font_lib/textures/font_default_002b.png
similarity index 100%
rename from font_lib/textures/font_lib_2b.png
rename to font_lib/textures/font_default_002b.png
diff --git a/font_lib/textures/font_lib_2c.png b/font_lib/textures/font_default_002c.png
similarity index 100%
rename from font_lib/textures/font_lib_2c.png
rename to font_lib/textures/font_default_002c.png
diff --git a/font_lib/textures/font_lib_2d.png b/font_lib/textures/font_default_002d.png
similarity index 100%
rename from font_lib/textures/font_lib_2d.png
rename to font_lib/textures/font_default_002d.png
diff --git a/font_lib/textures/font_lib_2e.png b/font_lib/textures/font_default_002e.png
similarity index 100%
rename from font_lib/textures/font_lib_2e.png
rename to font_lib/textures/font_default_002e.png
diff --git a/font_lib/textures/font_lib_2f.png b/font_lib/textures/font_default_002f.png
similarity index 100%
rename from font_lib/textures/font_lib_2f.png
rename to font_lib/textures/font_default_002f.png
diff --git a/font_lib/textures/font_lib_30.png b/font_lib/textures/font_default_0030.png
similarity index 100%
rename from font_lib/textures/font_lib_30.png
rename to font_lib/textures/font_default_0030.png
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rename from font_lib/textures/font_lib_ce.png
rename to font_lib/textures/font_default_00ce.png
diff --git a/font_lib/textures/font_lib_cf.png b/font_lib/textures/font_default_00cf.png
similarity index 100%
rename from font_lib/textures/font_lib_cf.png
rename to font_lib/textures/font_default_00cf.png
diff --git a/font_lib/textures/font_lib_d0.png b/font_lib/textures/font_default_00d0.png
similarity index 100%
rename from font_lib/textures/font_lib_d0.png
rename to font_lib/textures/font_default_00d0.png
diff --git a/font_lib/textures/font_lib_d1.png b/font_lib/textures/font_default_00d1.png
similarity index 100%
rename from font_lib/textures/font_lib_d1.png
rename to font_lib/textures/font_default_00d1.png
diff --git a/font_lib/textures/font_lib_d2.png b/font_lib/textures/font_default_00d2.png
similarity index 100%
rename from font_lib/textures/font_lib_d2.png
rename to font_lib/textures/font_default_00d2.png
diff --git a/font_lib/textures/font_lib_d3.png b/font_lib/textures/font_default_00d3.png
similarity index 100%
rename from font_lib/textures/font_lib_d3.png
rename to font_lib/textures/font_default_00d3.png
diff --git a/font_lib/textures/font_lib_d4.png b/font_lib/textures/font_default_00d4.png
similarity index 100%
rename from font_lib/textures/font_lib_d4.png
rename to font_lib/textures/font_default_00d4.png
diff --git a/font_lib/textures/font_lib_d5.png b/font_lib/textures/font_default_00d5.png
similarity index 100%
rename from font_lib/textures/font_lib_d5.png
rename to font_lib/textures/font_default_00d5.png
diff --git a/font_lib/textures/font_lib_d6.png b/font_lib/textures/font_default_00d6.png
similarity index 100%
rename from font_lib/textures/font_lib_d6.png
rename to font_lib/textures/font_default_00d6.png
diff --git a/font_lib/textures/font_lib_d7.png b/font_lib/textures/font_default_00d7.png
similarity index 100%
rename from font_lib/textures/font_lib_d7.png
rename to font_lib/textures/font_default_00d7.png
diff --git a/font_lib/textures/font_lib_d8.png b/font_lib/textures/font_default_00d8.png
similarity index 100%
rename from font_lib/textures/font_lib_d8.png
rename to font_lib/textures/font_default_00d8.png
diff --git a/font_lib/textures/font_lib_d9.png b/font_lib/textures/font_default_00d9.png
similarity index 100%
rename from font_lib/textures/font_lib_d9.png
rename to font_lib/textures/font_default_00d9.png
diff --git a/font_lib/textures/font_lib_da.png b/font_lib/textures/font_default_00da.png
similarity index 100%
rename from font_lib/textures/font_lib_da.png
rename to font_lib/textures/font_default_00da.png
diff --git a/font_lib/textures/font_lib_db.png b/font_lib/textures/font_default_00db.png
similarity index 100%
rename from font_lib/textures/font_lib_db.png
rename to font_lib/textures/font_default_00db.png
diff --git a/font_lib/textures/font_lib_dc.png b/font_lib/textures/font_default_00dc.png
similarity index 100%
rename from font_lib/textures/font_lib_dc.png
rename to font_lib/textures/font_default_00dc.png
diff --git a/font_lib/textures/font_lib_dd.png b/font_lib/textures/font_default_00dd.png
similarity index 100%
rename from font_lib/textures/font_lib_dd.png
rename to font_lib/textures/font_default_00dd.png
diff --git a/font_lib/textures/font_lib_e0.png b/font_lib/textures/font_default_00e0.png
similarity index 100%
rename from font_lib/textures/font_lib_e0.png
rename to font_lib/textures/font_default_00e0.png
diff --git a/font_lib/textures/font_lib_e1.png b/font_lib/textures/font_default_00e1.png
similarity index 100%
rename from font_lib/textures/font_lib_e1.png
rename to font_lib/textures/font_default_00e1.png
diff --git a/font_lib/textures/font_lib_e2.png b/font_lib/textures/font_default_00e2.png
similarity index 100%
rename from font_lib/textures/font_lib_e2.png
rename to font_lib/textures/font_default_00e2.png
diff --git a/font_lib/textures/font_lib_e3.png b/font_lib/textures/font_default_00e3.png
similarity index 100%
rename from font_lib/textures/font_lib_e3.png
rename to font_lib/textures/font_default_00e3.png
diff --git a/font_lib/textures/font_lib_e4.png b/font_lib/textures/font_default_00e4.png
similarity index 100%
rename from font_lib/textures/font_lib_e4.png
rename to font_lib/textures/font_default_00e4.png
diff --git a/font_lib/textures/font_lib_e5.png b/font_lib/textures/font_default_00e5.png
similarity index 100%
rename from font_lib/textures/font_lib_e5.png
rename to font_lib/textures/font_default_00e5.png
diff --git a/font_lib/textures/font_lib_e6.png b/font_lib/textures/font_default_00e6.png
similarity index 100%
rename from font_lib/textures/font_lib_e6.png
rename to font_lib/textures/font_default_00e6.png
diff --git a/font_lib/textures/font_lib_e7.png b/font_lib/textures/font_default_00e7.png
similarity index 100%
rename from font_lib/textures/font_lib_e7.png
rename to font_lib/textures/font_default_00e7.png
diff --git a/font_lib/textures/font_lib_e8.png b/font_lib/textures/font_default_00e8.png
similarity index 100%
rename from font_lib/textures/font_lib_e8.png
rename to font_lib/textures/font_default_00e8.png
diff --git a/font_lib/textures/font_lib_e9.png b/font_lib/textures/font_default_00e9.png
similarity index 100%
rename from font_lib/textures/font_lib_e9.png
rename to font_lib/textures/font_default_00e9.png
diff --git a/font_lib/textures/font_lib_ea.png b/font_lib/textures/font_default_00ea.png
similarity index 100%
rename from font_lib/textures/font_lib_ea.png
rename to font_lib/textures/font_default_00ea.png
diff --git a/font_lib/textures/font_lib_eb.png b/font_lib/textures/font_default_00eb.png
similarity index 100%
rename from font_lib/textures/font_lib_eb.png
rename to font_lib/textures/font_default_00eb.png
diff --git a/font_lib/textures/font_lib_ec.png b/font_lib/textures/font_default_00ec.png
similarity index 100%
rename from font_lib/textures/font_lib_ec.png
rename to font_lib/textures/font_default_00ec.png
diff --git a/font_lib/textures/font_lib_ed.png b/font_lib/textures/font_default_00ed.png
similarity index 100%
rename from font_lib/textures/font_lib_ed.png
rename to font_lib/textures/font_default_00ed.png
diff --git a/font_lib/textures/font_lib_ee.png b/font_lib/textures/font_default_00ee.png
similarity index 100%
rename from font_lib/textures/font_lib_ee.png
rename to font_lib/textures/font_default_00ee.png
diff --git a/font_lib/textures/font_lib_ef.png b/font_lib/textures/font_default_00ef.png
similarity index 100%
rename from font_lib/textures/font_lib_ef.png
rename to font_lib/textures/font_default_00ef.png
diff --git a/font_lib/textures/font_lib_f2.png b/font_lib/textures/font_default_00f2.png
similarity index 100%
rename from font_lib/textures/font_lib_f2.png
rename to font_lib/textures/font_default_00f2.png
diff --git a/font_lib/textures/font_lib_f4.png b/font_lib/textures/font_default_00f4.png
similarity index 100%
rename from font_lib/textures/font_lib_f4.png
rename to font_lib/textures/font_default_00f4.png
diff --git a/font_lib/textures/font_lib_f5.png b/font_lib/textures/font_default_00f5.png
similarity index 100%
rename from font_lib/textures/font_lib_f5.png
rename to font_lib/textures/font_default_00f5.png
diff --git a/font_lib/textures/font_lib_f6.png b/font_lib/textures/font_default_00f6.png
similarity index 100%
rename from font_lib/textures/font_lib_f6.png
rename to font_lib/textures/font_default_00f6.png
diff --git a/font_lib/textures/font_lib_f7.png b/font_lib/textures/font_default_00f7.png
similarity index 100%
rename from font_lib/textures/font_lib_f7.png
rename to font_lib/textures/font_default_00f7.png
diff --git a/font_lib/textures/font_lib_f9.png b/font_lib/textures/font_default_00f9.png
similarity index 100%
rename from font_lib/textures/font_lib_f9.png
rename to font_lib/textures/font_default_00f9.png
diff --git a/font_lib/textures/font_lib_fa.png b/font_lib/textures/font_default_00fa.png
similarity index 100%
rename from font_lib/textures/font_lib_fa.png
rename to font_lib/textures/font_default_00fa.png
diff --git a/font_lib/textures/font_lib_fb.png b/font_lib/textures/font_default_00fb.png
similarity index 100%
rename from font_lib/textures/font_lib_fb.png
rename to font_lib/textures/font_default_00fb.png
diff --git a/font_lib/textures/font_lib_fc.png b/font_lib/textures/font_default_00fc.png
similarity index 100%
rename from font_lib/textures/font_lib_fc.png
rename to font_lib/textures/font_default_00fc.png
diff --git a/font_lib/textures/font_lib_fd.png b/font_lib/textures/font_default_00fd.png
similarity index 100%
rename from font_lib/textures/font_lib_fd.png
rename to font_lib/textures/font_default_00fd.png
diff --git a/font_lib/textures/font_lib_ff.png b/font_lib/textures/font_default_00ff.png
similarity index 100%
rename from font_lib/textures/font_lib_ff.png
rename to font_lib/textures/font_default_00ff.png
diff --git a/font_lib/tools/make_font_lua.sh b/font_lib/tools/make_font_lua.sh
new file mode 100755
index 0000000..b751612
--- /dev/null
+++ b/font_lib/tools/make_font_lua.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+scriptname=$0
+identify="identify"
+
+font_name=default
+
+for f in textures/font_${font_name}_????.png
+do
+    if [[ $f =~ textures/font_${font_name}_([0-9a-fA-F]{4}).png ]]
+    then
+        code=$((16#${BASH_REMATCH[1]}))
+        size=$(identify $f | cut -d " " -f 3)
+        w=$(echo $size | cut -d "x" -f 1)
+        h=$(echo $size | cut -d "x" -f 2)  
+
+        if [ -z "$font_height" ]
+        then
+        	font_height=$h
+        else
+        	if [ $font_height -ne $h ]
+        	then
+        		echo "Error : $f as height of $h pixels, previous textures have a height of $font_height pixels. All textures should have the same height."
+        	fi
+        fi
+
+        if [ -z "$font_widths" ]
+        then
+      	    font_widths="[$code]=$w"
+      	else
+      	    font_widths="$font_widths, [$code]=$w"
+      	fi
+    fi
+done
+
+echo "--[[
+
+$luafile generated by $scriptname $(date)
+
+--]]
+
+font_lib.register_font(
+	'$font_name',
+	$font_height,
+	{ $font_widths }
+);
+" > font_$font_name.lua
+