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| 1 | --[[ $Id: x06.lua 11032 2010-05-27 22:34:40Z andrewross $ |
| 2 | |
| 3 | Font demo. |
| 4 | |
| 5 | Copyright (C) 2008 Werner Smekal |
| 6 | |
| 7 | This file is part of PLplot. |
| 8 | |
| 9 | PLplot is free software you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Library Public License as published |
| 11 | by the Free Software Foundation either version 2 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | PLplot is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU Library General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU Library General Public License |
| 20 | along with PLplot if not, write to the Free Software |
| 21 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | --]] |
| 23 | |
| 24 | -- initialise Lua bindings for PLplot examples. |
| 25 | dofile("plplot_examples.lua") |
| 26 | |
| 27 | ---------------------------------------------------------------------------- |
| 28 | -- main |
| 29 | -- |
| 30 | -- Displays the entire "plpoin" symbol (font) set. |
| 31 | ---------------------------------------------------------------------------- |
| 32 | |
| 33 | -- Parse and process command line arguments |
| 34 | pl.parseopts(arg, pl.PL_PARSE_FULL) |
| 35 | |
| 36 | -- Initialize plplot |
| 37 | pl.init() |
| 38 | |
| 39 | for kind_font = 0,1 do |
| 40 | pl.fontld( kind_font ) |
| 41 | if kind_font == 0 then |
| 42 | maxfont = 1 |
| 43 | else |
| 44 | maxfont = 4 |
| 45 | end |
| 46 | |
| 47 | for font = 1,maxfont do |
| 48 | pl.font( font ) |
| 49 | pl.adv(0) |
| 50 | |
| 51 | -- Set up viewport and window |
| 52 | pl.col0(2) |
| 53 | pl.vpor(0.1, 1, 0.1, 0.9) |
| 54 | pl.wind(0, 1, 0, 1.3) |
| 55 | |
| 56 | -- Draw the grid using plbox |
| 57 | pl.box("bcg", 0.1, 0, "bcg", 0.1, 0) |
| 58 | |
| 59 | -- Write the digits below the frame |
| 60 | pl.col0(15) |
| 61 | for i=0, 9 do |
| 62 | pl.mtex("b", 1.5, (0.1 * i + 0.05), 0.5, tostring(i)) |
| 63 | end |
| 64 | |
| 65 | k = 0 |
| 66 | x = {} |
| 67 | y ={} |
| 68 | for i = 0, 12 do |
| 69 | -- Write the digits to the left of the frame |
| 70 | pl.mtex("lv", 1, (1 - (2 * i + 1) / 26), 1, tostring(10*i)) |
| 71 | for j = 0, 9 do |
| 72 | x[1] = 0.1 * j + 0.05 |
| 73 | y[1] = 1.25 - 0.1 * i |
| 74 | |
| 75 | -- Display the symbols |
| 76 | if k < 128 then |
| 77 | pl.poin(x, y, k) |
| 78 | end |
| 79 | k = k + 1 |
| 80 | end |
| 81 | end |
| 82 | |
| 83 | if kind_font == 0 then |
| 84 | pl.mtex("t", 1.5, 0.5, 0.5, "PLplot Example 6 - plpoin symbols (compact)") |
| 85 | else |
| 86 | pl.mtex("t", 1.5, 0.5, 0.5, "PLplot Example 6 - plpoin symbols (extended)") |
| 87 | end |
| 88 | end |
| 89 | end |
| 90 | pl.plend() |
| 91 |
