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332 lines
8.3 KiB
Lua
332 lines
8.3 KiB
Lua
--[[ $Id: x23.lua 9533 2009-02-16 22:18:37Z smekal $
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Displays Greek letters and mathematically interesting Unicode ranges
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Copyright (C) 2009 Werner Smekal
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This file is part of PLplot.
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PLplot is free software you can redistribute it and/or modify
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it under the terms of the GNU General Library Public License as published
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by the Free Software Foundation either version 2 of the License, or
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(at your option) any later version.
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PLplot is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with PLplot if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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--]]
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-- initialise Lua bindings for PLplot examples.
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dofile("plplot_examples.lua")
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----------------------------------------------------------------------------
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-- main
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--
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-- Displays Greek letters and mathematically interesting Unicode ranges
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----------------------------------------------------------------------------
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Greek = {
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"#gA","#gB","#gG","#gD","#gE","#gZ","#gY","#gH","#gI","#gK","#gL","#gM",
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"#gN","#gC","#gO","#gP","#gR","#gS","#gT","#gU","#gF","#gX","#gQ","#gW",
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"#ga","#gb","#gg","#gd","#ge","#gz","#gy","#gh","#gi","#gk","#gl","#gm",
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"#gn","#gc","#go","#gp","#gr","#gs","#gt","#gu","#gf","#gx","#gq","#gw"
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}
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Type1 = {
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32, 33, 35, 37, 38,
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40, 41, 43, 44, 46,
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47, 48, 49, 50, 51,
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52, 53, 54, 55, 56,
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57, 58, 59, 60, 61,
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62, 63, 91, 93, 95,
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123, 124, 125, 169, 172,
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174, 176, 177, 215, 247,
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402, 913, 914, 915, 916,
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917, 918, 919, 920, 921,
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922, 923, 924, 925, 926,
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927, 928, 929, 931, 932,
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933, 934, 935, 936, 937,
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945, 946, 947, 948, 949,
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950, 951, 952, 953, 954,
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955, 956, 957, 958, 959,
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960, 961, 962, 963, 964,
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965, 966, 967, 968, 969,
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977, 978, 981, 982, 8226,
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8230, 8242, 8243, 8254, 8260,
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8465, 8472, 8476, 8482, 8486,
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8501, 8592, 8593, 8594, 8595,
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8596, 8629, 8656, 8657, 8658,
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8659, 8660, 8704, 8706, 8707,
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8709, 8710, 8711, 8712, 8713,
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8715, 8719, 8721, 8722, 8725,
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8727, 8730, 8733, 8734, 8736,
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8743, 8744, 8745, 8746, 8747,
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8756, 8764, 8773, 8776, 8800,
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8801, 8804, 8805, 8834, 8835,
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8836, 8838, 8839, 8853, 8855,
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8869, 8901, 8992, 8993, 9001,
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9002, 9674, 9824, 9827, 9829,
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9830
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}
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title = {
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"#<0x10>PLplot Example 23 - Greek Letters",
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"#<0x10>PLplot Example 23 - Type 1 Symbol Font Glyphs by Unicode (a)",
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"#<0x10>PLplot Example 23 - Type 1 Symbol Font Glyphs by Unicode (b)",
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"#<0x10>PLplot Example 23 - Type 1 Symbol Font Glyphs by Unicode (c)",
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"#<0x10>PLplot Example 23 - Number Forms Unicode Block",
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"#<0x10>PLplot Example 23 - Arrows Unicode Block (a)",
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"#<0x10>PLplot Example 23 - Arrows Unicode Block (b)",
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"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (a)",
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"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (b)",
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"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (c)",
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"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (d)"
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}
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lo = {
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0,
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0,
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64,
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128,
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8531,
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8592,
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8656,
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8704,
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8768,
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8832,
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8896
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}
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hi = {
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48,
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64,
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128,
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166,
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8580,
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8656,
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8704,
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8768,
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8832,
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8896,
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8960
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}
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nxcells = {
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12,
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8,
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8,
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8,
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8,
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8,
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8,
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8,
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8,
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8,
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8
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}
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nycells = {
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8,
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8,
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8,
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8,
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8,
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8,
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8,
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8,
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8,
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8,
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8
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}
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-- non-zero values Must be consistent with nxcells and nycells.
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offset = {
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0,
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0,
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64,
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128,
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0,
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0,
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0,
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0,
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0,
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0,
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0
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}
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-- 30 possible FCI values.
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FCI_COMBINATIONS = 30
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fci = {
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2147483648,
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2147483649,
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2147483650,
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2147483651,
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2147483652,
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2147483664,
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2147483665,
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2147483666,
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2147483667,
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2147483668,
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2147483680,
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2147483681,
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2147483682,
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2147483683,
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2147483684,
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2147483904,
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2147483905,
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2147483906,
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2147483907,
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2147483908,
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2147483920,
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2147483921,
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2147483922,
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2147483923,
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2147483924,
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2147483936,
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2147483937,
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2147483938,
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2147483939,
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2147483940
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}
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family = {
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"sans-serif",
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"serif",
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"monospace",
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"script",
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"symbol"
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}
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style = {
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"upright",
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"italic",
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"oblique"
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}
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weight = {
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"medium",
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"bold"
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}
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-- Parse and process command line arguments
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pl.parseopts(arg, pl.PL_PARSE_FULL)
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-- Initialize plplot
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pl.init()
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for page=1, 11 do
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pl.adv(0)
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-- Set up viewport and window
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pl.vpor(0.02, 0.98, 0.02, 0.90)
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pl.wind(0, 1, 0, 1)
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xmin, xmax, ymin, ymax = pl.gspa()
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pl.schr(0, 0.8)
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ycharacter_scale = (1-0)/(ymax-ymin)
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-- Factor should be 0.5, but heuristically it turns out to be larger.
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chardef, charht = pl.gchr()
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yoffset = charht*ycharacter_scale
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-- Draw the grid using plbox
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pl.col0(2)
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deltax = 1.0/nxcells[page]
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deltay = 1.0/nycells[page]
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pl.box("bcg", deltax, 0, "bcg", deltay, 0)
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pl.col0(15)
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length=hi[page]-lo[page]
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slice = 1
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for j=nycells[page]-1, -1, -1 do
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y = (0.5+j)*deltay
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for i=1, nxcells[page] do
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x = (i-0.5)*deltax
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if slice<=length then
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if page==1 then
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cmdString = "#" .. Greek[slice]
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elseif (page>=2) and (page<=4) then
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cmdString = string.format("##[0x%.4x]", Type1[offset[page]+slice])
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elseif page>4 then
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cmdString = string.format("##[0x%.4x]", lo[page]+slice-1)
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end
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pl.ptex(x, y+yoffset, 1, 0, 0.5, string.sub(cmdString,2))
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pl.ptex(x, y-yoffset, 1, 0, 0.5, cmdString)
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end
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slice = slice + 1
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end
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end
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pl.schr(0, 1)
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-- Page title
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pl.mtex("t", 1.5, 0.5, 0.5, title[page])
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end
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-- Demonstrate methods of getting the current fonts
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fci_old = pl.gfci()
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ifamily, istyle, iweight = pl.gfont()
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print(string.format("For example 23 prior to page 12 the FCI is 0x%x", fci_old))
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print(string.format("For example 23 prior to page 12 the font family, style and weight are %s %s %s",
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family[ifamily+1], style[istyle+1], weight[iweight+1]))
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for page=12, 16 do
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dy = 0.030
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pl.adv(0)
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pl.vpor(0.02, 0.98, 0.02, 0.90)
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pl.wind(0, 1, 0, 1)
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pl.sfci(0)
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if page==12 then
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pl.mtex("t", 1.5, 0.5, 0.5, "#<0x10>PLplot Example 23 - Set Font with plsfci")
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elseif page==13 then
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pl.mtex("t", 1.5, 0.5, 0.5, "#<0x10>PLplot Example 23 - Set Font with plsfont")
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elseif page==14 then
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pl.mtex("t", 1.5, 0.5, 0.5, "#<0x10>PLplot Example 23 - Set Font with ##<0x8nnnnnnn> construct")
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elseif page==15 then
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pl.mtex("t", 1.5, 0.5, 0.5, "#<0x10>PLplot Example 23 - Set Font with ##<0xmn> constructs")
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elseif page==16 then
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pl.mtex("t", 1.5, 0.5, 0.5, "#<0x10>PLplot Example 23 - Set Font with ##<FCI COMMAND STRING/> constructs")
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end
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pl.schr(0, 0.75)
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for i=1, FCI_COMBINATIONS do
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family_index = math.mod(i-1, 5)+1
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style_index = math.mod(math.floor((i-1)/5), 3)+1
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weight_index = math.mod(math.floor((i-1)/5/3), 2)+1
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if page==12 then
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pl.sfci(fci[i])
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str = string.format("Page 12, %s, %s, %s: The quick brown fox jumps over the lazy dog",
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family[family_index], style[style_index], weight[weight_index])
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elseif page==13 then
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pl.sfont(family_index-1, style_index-1, weight_index-1)
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str = string.format("Page 13, %s, %s, %s: The quick brown fox jumps over the lazy dog",
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family[family_index], style[style_index], weight[weight_index])
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elseif page==14 then
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str = string.format("Page 14, %s, %s, %s: #<0x%x>The quick brown fox jumps over the lazy dog",
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family[family_index], style[style_index], weight[weight_index], fci[i])
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elseif page==15 then
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str = string.format("Page 15, %s, %s, %s: #<0x%1x0>#<0x%1x1>#<0x%1x2>The quick brown fox jumps over the lazy dog",
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family[family_index], style[style_index], weight[weight_index],
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family_index-1, style_index-1, weight_index-1)
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elseif page==16 then
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str = string.format("Page 16, %s, %s, %s: #<%s/>#<%s/>#<%s/>The quick brown fox jumps over the lazy dog",
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family[family_index], style[style_index], weight[weight_index],
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family[family_index], style[style_index], weight[weight_index])
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end
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pl.ptex(0, 1-(i-0.5)*dy, 1, 0, 0, str)
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end
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pl.schr(0, 1)
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end
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-- Restore defaults
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pl.col0(1)
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pl.plend()
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