/usr/share/doc/libplplot11/examples/octave/x23c.m is in octave-plplot 5.9.9-2ubuntu2.
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##
## Displays Greek letters and mathematically interesting Unicode ranges
## Copyright (C) 2005 Alan Irwin
## Copyright (C) 2005 Andrew Ross
##
##
## This file is part of PLplot.
##
## PLplot is free software; you can redistribute it and/or modify
## it under the terms of the GNU Library General Public License as published
## by the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## PLplot is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Library General Public License for more details.
##
## You should have received a copy of the GNU Library General Public License
## along with PLplot; if not, write to the Free Software
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
##
1;
## Displays Greek letters and mathematically interesting Unicode ranges
function ix23c(strm)
# Redirect output to file if required
if (nargin == 0)
strm = stdout;
endif
Greek = [\
"#gA";"#gB";"#gG";"#gD";"#gE";"#gZ";"#gY";"#gH";"#gI";"#gK";"#gL";"#gM";\
"#gN";"#gC";"#gO";"#gP";"#gR";"#gS";"#gT";"#gU";"#gF";"#gX";"#gQ";"#gW";\
"#ga";"#gb";"#gg";"#gd";"#ge";"#gz";"#gy";"#gh";"#gi";"#gk";"#gl";"#gm";\
"#gn";"#gc";"#go";"#gp";"#gr";"#gs";"#gt";"#gu";"#gf";"#gx";"#gq";"#gw";\
];
Type1 = [\
0x0020,0x0021,0x0023,0x0025,0x0026,\
0x0028,0x0029,0x002b,0x002c,0x002e,\
0x002f,0x0030,0x0031,0x0032,0x0033,\
0x0034,0x0035,0x0036,0x0037,0x0038,\
0x0039,0x003a,0x003b,0x003c,0x003d,\
0x003e,0x003f,0x005b,0x005d,0x005f,\
0x007b,0x007c,0x007d,0x00a9,0x00ac,\
0x00ae,0x00b0,0x00b1,0x00d7,0x00f7,\
0x0192,0x0391,0x0392,0x0393,0x0394,\
0x0395,0x0396,0x0397,0x0398,0x0399,\
0x039a,0x039b,0x039c,0x039d,0x039e,\
0x039f,0x03a0,0x03a1,0x03a3,0x03a4,\
0x03a5,0x03a6,0x03a7,0x03a8,0x03a9,\
0x03b1,0x03b2,0x03b3,0x03b4,0x03b5,\
0x03b6,0x03b7,0x03b8,0x03b9,0x03ba,\
0x03bb,0x03bc,0x03bd,0x03be,0x03bf,\
0x03c0,0x03c1,0x03c2,0x03c3,0x03c4,\
0x03c5,0x03c6,0x03c7,0x03c8,0x03c9,\
0x03d1,0x03d2,0x03d5,0x03d6,0x2022,\
0x2026,0x2032,0x2033,0x203e,0x2044,\
0x2111,0x2118,0x211c,0x2122,0x2126,\
0x2135,0x2190,0x2191,0x2192,0x2193,\
0x2194,0x21b5,0x21d0,0x21d1,0x21d2,\
0x21d3,0x21d4,0x2200,0x2202,0x2203,\
0x2205,0x2206,0x2207,0x2208,0x2209,\
0x220b,0x220f,0x2211,0x2212,0x2215,\
0x2217,0x221a,0x221d,0x221e,0x2220,\
0x2227,0x2228,0x2229,0x222a,0x222b,\
0x2234,0x223c,0x2245,0x2248,0x2260,\
0x2261,0x2264,0x2265,0x2282,0x2283,\
0x2284,0x2286,0x2287,0x2295,0x2297,\
0x22a5,0x22c5,0x2320,0x2321,0x2329,\
0x232a,0x25ca,0x2660,0x2663,0x2665,\
0x2666,\
];
title = {\
"#<0x10>PLplot Example 23 - Greek Letters";\
"#<0x10>PLplot Example 23 - Type 1 Symbol Font Glyphs by Unicode (a)";\
"#<0x10>PLplot Example 23 - Type 1 Symbol Font Glyphs by Unicode (b)";\
"#<0x10>PLplot Example 23 - Type 1 Symbol Font Glyphs by Unicode (c)";\
"#<0x10>PLplot Example 23 - Number Forms Unicode Block";\
"#<0x10>PLplot Example 23 - Arrows Unicode Block (a)";\
"#<0x10>PLplot Example 23 - Arrows Unicode Block (b)";\
"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (a)";\
"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (b)";\
"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (c)";\
"#<0x10>PLplot Example 23 - Mathematical Operators Unicode Block (d)"\
};
lo = [\
0x0,\
0x0,\
0x40,\
0x80,\
0x2153,\
0x2190,\
0x21d0,\
0x2200,\
0x2240,\
0x2280,\
0x22c0,\
];
hi = [\
0x30,\
0x40,\
0x80,\
0xA6,\
0x2184,\
0x21d0,\
0x2200,\
0x2240,\
0x2280,\
0x22c0,\
0x2300,\
];
nxcells = [\
12,\
8,\
8,\
8,\
8,\
8,\
8,\
8,\
8,\
8,\
8,\
];
nycells = [\
8,\
8,\
8,\
8,\
8,\
8,\
8,\
8,\
8,\
8,\
8,\
];
## non-zero values Must be consistent with nxcells and nycells.
offset = [\
0,\
0,\
64,\
128,\
0,\
0,\
0,\
0,\
0,\
0,\
0,\
];
## 30 possible FCI values.
FCI_COMBINATIONS = 30;
fci = [\
0x80000000,\
0x80000001,\
0x80000002,\
0x80000003,\
0x80000004,\
0x80000010,\
0x80000011,\
0x80000012,\
0x80000013,\
0x80000014,\
0x80000020,\
0x80000021,\
0x80000022,\
0x80000023,\
0x80000024,\
0x80000100,\
0x80000101,\
0x80000102,\
0x80000103,\
0x80000104,\
0x80000110,\
0x80000111,\
0x80000112,\
0x80000113,\
0x80000114,\
0x80000120,\
0x80000121,\
0x80000122,\
0x80000123,\
0x80000124,\
];
family = [\
"sans-serif";\
"serif";\
"monospace";\
"script";\
"symbol"\
];
style = [\
"upright";\
"italic";\
"oblique"\
];
weight = [\
"medium";\
"bold"\
];
## plparseopts(&argc, argv, PL_PARSE_FULL);
plinit;
for page=1:11
pladv(0);
## Set up viewport and window
plvpor(0.02, 0.98, 0.02, 0.90);
plwind(0.0, 1.0, 0.0, 1.0);
[xmin, xmax, ymin, ymax] = plgspa;
plschr(0., 0.8);
ycharacter_scale = (1.0 - 0.0)/(ymax-ymin);
## Factor should be 0.5, but heuristically it turns out to be larger.
[chardef, charht] = plgchr;
yoffset = 1.0*charht*ycharacter_scale;
## Draw the grid using plbox
plcol0(2);
deltax = 1.0/nxcells(page);
deltay = 1.0/nycells(page);
plbox("bcg", deltax, 0, "bcg", deltay, 0);
plcol0(15);
length=hi(page)-lo(page);
slice = 0;
for j=nycells(page)-1:-1:0;
y = (0.5+j)*deltay;
for i=0:nxcells(page)-1;
x = (0.5+i)*deltax;
if (slice < length)
if (page == 1)
cmdString = sprintf("#%s",Greek(slice+1,:));
elseif ((page >= 2) && (page <= 4))
cmdString = sprintf("##[0x%.4x]",Type1(offset(page)+slice+1));
elseif (page >= 5)
cmdString = sprintf("##[0x%.4x]",lo(page)+slice);
end
strlen = size(cmdString)(2);
plptex(x,y+yoffset,1.,0.,0.5, cmdString(2:strlen));
plptex(x,y-yoffset,1.,0.,0.5, cmdString);
end
slice += 1;
end
end
plschr(0., 1.0);
## Page title
plmtex("t", 1.5, 0.5, 0.5, title(page,:));
end
## Demonstrate methods of getting the current fonts
fci_old = plgfci();
[ifamily,istyle,iweight] = plgfont();
fprintf(strm,"For example 23 prior to page 12 the FCI is 0x%x\n",fci_old);
fprintf(strm,"For example 23 prior to page 12 the font family, style and weight are %s %s %s\n",deblank(family(ifamily+1,:)), deblank(style(istyle+1,:)), deblank(weight(iweight+1,:)));
for page=11:15
dy = 0.030;
pladv(0);
plvpor(0.02, 0.98, 0.02, 0.90);
plwind(0.0, 1.0, 0.0, 1.0);
plsfci(0);
if (page == 11)
plmtex("t", 1.5, 0.5, 0.5,"#<0x10>PLplot Example 23 - Set Font with plsfci");
elseif (page == 12)
plmtex("t", 1.5, 0.5, 0.5,"#<0x10>PLplot Example 23 - Set Font with plsfont");
elseif (page == 13)
plmtex("t", 1.5, 0.5, 0.5,"#<0x10>PLplot Example 23 - Set Font with ##<0x8nnnnnnn> construct");
elseif(page == 14)
plmtex("t", 1.5, 0.5, 0.5,"#<0x10>PLplot Example 23 - Set Font with ##<0xmn> constructs");
elseif(page == 15)
plmtex("t", 1.5, 0.5, 0.5,"#<0x10>PLplot Example 23 - Set Font with ##<FCI COMMAND STRING/> constructs");
endif
plschr(0., 0.75);
for i = 0:FCI_COMBINATIONS-1
family_index = mod(i,5);
style_index = mod(floor(i/5),3);
weight_index = mod(floor((i/5)/3),2);
if(page == 11)
plsfci(fci(i+1));
string = sprintf("Page 12, %s, %s, %s: The quick brown fox jumps over the lazy dog",deblank(family(family_index+1,:)),deblank(style(style_index+1,:)),deblank(weight(weight_index+1,:)));
elseif(page == 12)
plsfont(family_index, style_index, weight_index);
string = sprintf("Page 13, %s, %s, %s: The quick brown fox jumps over the lazy dog",deblank(family(family_index+1,:)),deblank(style(style_index+1,:)),deblank(weight(weight_index+1,:)));
elseif(page == 13)
string = sprintf("Page 14, %s, %s, %s: #<0x%x>The quick brown fox jumps over the lazy dog",deblank(family(family_index+1,:)),deblank(style(style_index+1,:)),deblank(weight(weight_index+1,:)),fci(i+1));
elseif(page == 14)
string = sprintf("Page 15, %s, %s, %s: #<0x%1x0>#<0x%1x1>#<0x%1x2>The quick brown fox jumps over the lazy dog",deblank(family(family_index+1,:)),deblank(style(style_index+1,:)),deblank(weight(weight_index+1,:)),family_index,style_index,weight_index);
elseif(page == 15)
string = sprintf("Page 16, %s, %s, %s: #<%s/>#<%s/>#<%s/>The quick brown fox jumps over the lazy dog",deblank(family(family_index+1,:)),deblank(style(style_index+1,:)),deblank(weight(weight_index+1,:)),deblank(family(family_index+1,:)),deblank(style(style_index+1,:)),deblank(weight(weight_index+1,:)));
endif
plptex (0., 1. - (i+0.5)*dy, 1., 0., 0., string);
endfor
plschr(0., 1.0);
endfor
## Restore defaults
plcol0(1);
plend1;
end
if (exist("strm","var"))
ix23c(strm);
else
ix23c();
endif
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