/usr/share/doc/libplplot12/examples/c++/x23.cc is in libplplot-dev 5.10.0+dfsg-1.
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// $Id: x23.cc 11760 2011-06-01 19:29:11Z airwin $
// Displays Greek letters and mathematically interesting Unicode ranges
//--------------------------------------------------------------------------
//
//--------------------------------------------------------------------------
// Copyright (C) 2005,2008 Alan Irwin
// Copyright (C) 2005,2008 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; version 2 of the License.
//
// 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
//--------------------------------------------------------------------------
//
//--------------------------------------------------------------------------
// Implementation of PLplot example 23 in C++.
//--------------------------------------------------------------------------
#include "plc++demos.h"
#ifdef PL_USE_NAMESPACE
using namespace std;
#endif
class x23 {
public:
x23( int, const char ** );
private:
plstream *pls;
static const char *Greek[];
static int Type1[];
static const char *title[];
static int lo[];
static int hi[];
static int nxcells[];
static int nycells[];
static int offset[];
static PLUNICODE fci[];
static const char *family[];
static const char *style[];
static const char *weight[];
};
//
// Displays Greek letters and mathematically interesting Unicode ranges
//
const char* x23::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",
};
int x23:: 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,
};
const char* x23::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)",
};
int x23:: lo[] = {
0x0,
0x0,
0x40,
0x80,
0x2153,
0x2190,
0x21d0,
0x2200,
0x2240,
0x2280,
0x22c0,
};
int x23:: hi[] = {
0x30,
0x40,
0x80,
0xA6,
0x2184,
0x21d0,
0x2200,
0x2240,
0x2280,
0x22c0,
0x2300,
};
int x23:: nxcells[] = {
12,
8,
8,
8,
8,
8,
8,
8,
8,
8,
8,
};
int x23:: nycells[] = {
8,
8,
8,
8,
8,
8,
8,
8,
8,
8,
8,
};
// non-zero values Must be consistent with nxcells and nycells.
int x23::offset[] = {
0,
0,
64,
128,
0,
0,
0,
0,
0,
0,
0,
};
// 30 possible FCI values.
#define FCI_COMBINATIONS 30
PLUNICODE x23:: 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,
};
const char* x23::family[] = {
"sans-serif",
"serif",
"monospace",
"script",
"symbol",
};
const char* x23::style[] = {
"upright",
"italic",
"oblique",
};
const char* x23::weight[] = {
"medium",
"bold",
};
x23::x23( int argc, const char *argv[] )
{
PLFLT xmin, xmax, ymin, ymax, ycharacter_scale, yoffset;
PLFLT chardef, charht, deltax, deltay, x, y;
int i, j, page, length, slice;
char cmdString[20];
pls = new plstream();
pls->parseopts( &argc, argv, PL_PARSE_FULL );
pls->init();
for ( page = 0; page < 11; page++ )
{
pls->adv( 0 );
// Set up viewport and window
pls->vpor( 0.02, 0.98, 0.02, 0.90 );
pls->wind( 0.0, 1.0, 0.0, 1.0 );
pls->gspa( xmin, xmax, ymin, ymax );
pls->schr( 0., 0.8 );
ycharacter_scale = ( 1.0 - 0.0 ) / ( ymax - ymin );
// Factor should be 0.5, but heuristically it turns out to be larger.
pls->gchr( chardef, charht );
yoffset = 1.0 * charht * ycharacter_scale;
// Draw the grid using plstream::box
pls->col0( 2 );
deltax = 1.0 / ( (PLFLT) nxcells[page] );
deltay = 1.0 / ( (PLFLT) nycells[page] );
pls->box( "bcg", deltax, 0, "bcg", deltay, 0 );
pls->col0( 15 );
length = hi[page] - lo[page];
slice = 0;
for ( j = nycells[page] - 1; j >= -1; j-- )
{
y = ( 0.5 + j ) * deltay;
for ( i = 0; i < nxcells[page]; i++ )
{
x = ( 0.5 + i ) * deltax;
if ( slice < length )
{
if ( page == 0 )
{
sprintf( cmdString, "#%s", Greek[slice] );
}
else if ( ( page >= 1 ) && ( page <= 3 ) )
{
sprintf( cmdString, "##[0x%.4x]", Type1[offset[page] + slice] );
}
else if ( page >= 4 )
{
sprintf( cmdString, "##[0x%.4x]", lo[page] + slice );
}
pls->ptex( x, y + yoffset, 1., 0., 0.5, &cmdString[1] );
pls->ptex( x, y - yoffset, 1., 0., 0.5, cmdString );
}
slice += 1;
}
}
pls->schr( 0., 1.0 );
// Page title
pls->mtex( "t", 1.5, 0.5, 0.5, title[page] );
}
// Demonstrate methods of getting the current fonts
PLUNICODE fci_old;
PLINT ifamily, istyle, iweight;
pls->gfci( fci_old );
pls->gfont( ifamily, istyle, iweight );
cout << "For example 23 prior to page 12 the FCI is 0x" << hex << fci_old << endl;
cout << "For example 23 prior to page 12 the font family, style and weight are " << family[ifamily] << " " << style[istyle] << " " << weight[iweight] << endl;
for ( page = 11; page < 16; page++ )
{
PLFLT dy = 0.030;
int family_index, style_index, weight_index;
// Must be big enough to contain the prefix strings, the font-changing
// commands, and the "The quick brown..." string.
char string[200];
pls->adv( 0 );
pls->vpor( 0.02, 0.98, 0.02, 0.90 );
pls->wind( 0.0, 1.0, 0.0, 1.0 );
pls->sfci( 0 );
if ( page == 11 )
{
pls->mtex( "t", 1.5, 0.5, 0.5,
"#<0x10>PLplot Example 23 - "
"Set Font with plsfci" );
}
else if ( page == 12 )
{
pls->mtex( "t", 1.5, 0.5, 0.5,
"#<0x10>PLplot Example 23 - "
"Set Font with plsfont" );
}
else if ( page == 13 )
{
pls->mtex( "t", 1.5, 0.5, 0.5,
"#<0x10>PLplot Example 23 - "
"Set Font with ##<0x8nnnnnnn> construct" );
}
else if ( page == 14 )
{
pls->mtex( "t", 1.5, 0.5, 0.5,
"#<0x10>PLplot Example 23 - "
"Set Font with ##<0xmn> constructs" );
}
else if ( page == 15 )
{
pls->mtex( "t", 1.5, 0.5, 0.5,
"#<0x10>PLplot Example 23 - "
"Set Font with ##<FCI COMMAND STRING/> constructs" );
}
pls->schr( 0., 0.75 );
for ( i = 0; i < FCI_COMBINATIONS; i++ )
{
family_index = i % 5;
style_index = ( i / 5 ) % 3;
weight_index = ( ( i / 5 ) / 3 ) % 2;
if ( page == 11 )
{
pls->sfci( fci[i] );
sprintf( string,
"Page 12, %s, %s, %s: "
"The quick brown fox jumps over the lazy dog",
family[family_index],
style[style_index],
weight[weight_index] );
}
else if ( page == 12 )
{
pls->sfont( family_index, style_index, weight_index );
sprintf( string,
"Page 13, %s, %s, %s: "
"The quick brown fox jumps over the lazy dog",
family[family_index],
style[style_index],
weight[weight_index] );
}
else if ( page == 13 )
{
sprintf( string,
"Page 14, %s, %s, %s: "
"#<0x%x>"
"The quick brown fox jumps over the lazy dog",
family[family_index],
style[style_index],
weight[weight_index],
fci[i] );
}
else if ( page == 14 )
{
sprintf( string,
"Page 15, %s, %s, %s: "
"#<0x%1x0>#<0x%1x1>#<0x%1x2>"
"The quick brown fox jumps over the lazy dog",
family[family_index],
style[style_index],
weight[weight_index],
family_index,
style_index,
weight_index );
}
else if ( page == 15 )
{
sprintf( string,
"Page 16, %s, %s, %s: "
"#<%s/>#<%s/>#<%s/>"
"The quick brown fox jumps over the lazy dog",
family[family_index],
style[style_index],
weight[weight_index],
family[family_index],
style[style_index],
weight[weight_index] );
}
pls->ptex( 0., 1. - ( i + 0.5 ) * dy, 1., 0., 0., string );
}
pls->schr( 0., 1.0 );
}
// Restore defaults
pls->col0( 1 );
delete pls;
}
int main( int argc, const char **argv )
{
x23 *x = new x23( argc, argv );
delete x;
}
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