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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
!
!
program x23f
use plplot
implicit none
real(kind=plflt) xmin, xmax, ymin, ymax, ycharacter_scale, yoffset
real(kind=plflt) chardef, charht, deltax, deltay, x, y
integer i, j, page, length, slice
character(len=20) cmdString
integer(kind=plunicode) fci_old
integer ifamily, istyle, iweight
real(kind=plflt) dy
integer 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.
character(len=200) string
!
! Displays Greek letters and mathematically interesting Unicode ranges
!
integer fci_combinations
parameter(fci_combinations = 30)
character(len=5) greek(48)
integer type1(166)
character(len=80) title(11)
integer lo(11)
integer hi(11)
integer nxcells(11)
integer nycells(11)
integer offset(11)
integer(kind=plunicode) :: fci(fci_combinations)
character(len=11) family(5)
character(len=8) style(3)
character(len=7) weight(2)
data (greek(i) ,i=1,48) / &
'#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' /
data (type1(i) ,i=1,75) / &
z'0020',z'0021',z'0023',z'0025',z'0026', &
z'0028',z'0029',z'002b',z'002c',z'002e', &
z'002f',z'0030',z'0031',z'0032',z'0033', &
z'0034',z'0035',z'0036',z'0037',z'0038', &
z'0039',z'003a',z'003b',z'003c',z'003d', &
z'003e',z'003f',z'005b',z'005d',z'005f', &
z'007b',z'007c',z'007d',z'00a9',z'00ac', &
z'00ae',z'00b0',z'00b1',z'00d7',z'00f7', &
z'0192',z'0391',z'0392',z'0393',z'0394', &
z'0395',z'0396',z'0397',z'0398',z'0399', &
z'039a',z'039b',z'039c',z'039d',z'039e', &
z'039f',z'03a0',z'03a1',z'03a3',z'03a4', &
z'03a5',z'03a6',z'03a7',z'03a8',z'03a9', &
z'03b1',z'03b2',z'03b3',z'03b4',z'03b5', &
z'03b6',z'03b7',z'03b8',z'03b9',z'03ba' /
data (type1(i) ,i=76,166) / &
z'03bb',z'03bc',z'03bd',z'03be',z'03bf', &
z'03c0',z'03c1',z'03c2',z'03c3',z'03c4', &
z'03c5',z'03c6',z'03c7',z'03c8',z'03c9', &
z'03d1',z'03d2',z'03d5',z'03d6',z'2022', &
z'2026',z'2032',z'2033',z'203e',z'2044', &
z'2111',z'2118',z'211c',z'2122',z'2126', &
z'2135',z'2190',z'2191',z'2192',z'2193', &
z'2194',z'21b5',z'21d0',z'21d1',z'21d2', &
z'21d3',z'21d4',z'2200',z'2202',z'2203', &
z'2205',z'2206',z'2207',z'2208',z'2209', &
z'220b',z'220f',z'2211',z'2212',z'2215', &
z'2217',z'221a',z'221d',z'221e',z'2220', &
z'2227',z'2228',z'2229',z'222a',z'222b', &
z'2234',z'223c',z'2245',z'2248',z'2260', &
z'2261',z'2264',z'2265',z'2282',z'2283', &
z'2284',z'2286',z'2287',z'2295',z'2297', &
z'22a5',z'22c5',z'2320',z'2321',z'2329', &
z'232a',z'25ca',z'2660',z'2663',z'2665', &
z'2666' /
data (title(i) ,i=1,11 )/ &
"#<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)" /
data (lo(i) ,i=1,11) / &
z'0', &
z'0', &
z'40', &
z'80', &
z'2153', &
z'2190', &
z'21d0', &
z'2200', &
z'2240', &
z'2280', &
z'22c0' /
data (hi(i) ,i=1,11) / &
z'30', &
z'40', &
z'80', &
z'A6', &
z'2184', &
z'21d0', &
z'2200', &
z'2240', &
z'2280', &
z'22c0', &
z'2300' /
data (nxcells(i) ,i=1,11) / &
12, &
8, &
8, &
8, &
8, &
8, &
8, &
8, &
8, &
8, &
8 /
data (nycells(i) ,i=1,11) / &
8, &
8, &
8, &
8, &
8, &
8, &
8, &
8, &
8, &
8, &
8 /
! non-zero values Must be consistent with nxcells and nycells. */
data (offset(i) ,i=1,11) / &
0, &
0, &
64, &
128, &
0, &
0, &
0, &
0, &
0, &
0, &
0 /
! drop the leading '8' marker for FCI because some compilers (gfortran)
! have an implementation error (integer overflow error) for that case, and
! the marker is not needed, in any case, for calls to plsfci.
data (fci(i), i=1,fci_combinations) / &
z'00000000', &
z'00000001', &
z'00000002', &
z'00000003', &
z'00000004', &
z'00000010', &
z'00000011', &
z'00000012', &
z'00000013', &
z'00000014', &
z'00000020', &
z'00000021', &
z'00000022', &
z'00000023', &
z'00000024', &
z'00000100', &
z'00000101', &
z'00000102', &
z'00000103', &
z'00000104', &
z'00000110', &
z'00000111', &
z'00000112', &
z'00000113', &
z'00000114', &
z'00000120', &
z'00000121', &
z'00000122', &
z'00000123', &
z'00000124' /
data (family(i), i=1,5) / &
"sans-serif", &
"serif", &
"monospace", &
"script", &
"symbol" /
data (style(i), i=1,3) / &
"upright", &
"italic", &
"oblique" /
data (weight(i), i=1,2) / &
"medium", &
"bold" /
call plparseopts(PL_PARSE_FULL)
call plinit()
do page = 1,11
call pladv(0)
! Set up viewport and window
call plvpor(0.02_plflt, 0.98_plflt, 0.02_plflt, 0.90_plflt)
call plwind(0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt)
call plgspa(xmin, xmax, ymin, ymax)
call plschr(0._plflt, 0.8_plflt)
ycharacter_scale = (1.0_plflt - 0.0_plflt)/(ymax-ymin)
! Factor should be 0.5, but heuristically it turns out to be larger.
call plgchr(chardef, charht)
yoffset = 1.0_plflt*charht*ycharacter_scale
! Draw the grid using plbox
call plcol0(2)
deltax = 1.0_plflt/nxcells(page)
deltay = 1.0_plflt/nycells(page)
call plbox("bcg", deltax, 0, "bcg", deltay, 0)
call plcol0(15)
length=hi(page)-lo(page)
slice = 1
do j=nycells(page),0,-1
y = (j-0.5_plflt)*deltay
do i=1,nxcells(page)
x = (i-0.5_plflt)*deltax
if (slice .le. length) then
if (page .eq. 1) then
write(cmdString, '("#",a)') Greek(slice)
elseif (page .ge. 1 .and. page .le. 4) then
write(cmdString, '("##[0x",z4.4,"]")') &
type1(offset(page)+slice)
! Not required for command which is case insensitive,
! but lowercase the command simply to get same
! lowercase display of command as corresponding C example.
call lowercase23(cmdString)
elseif (page .ge. 5) then
write(cmdString, '("##[0x",z4.4,"]")') &
lo(page)+slice-1
! Not required for command which is case insensitive,
! but lowercase the command simply to get same
! lowercase display of command as corresponding C example.
call lowercase23(cmdString)
endif
call plptex(x,y+yoffset,1._plflt,0._plflt,0.5_plflt, &
cmdString(2:20))
call plptex(x,y-yoffset,1._plflt,0._plflt,0.5_plflt, &
cmdString)
endif
slice = slice + 1
enddo
enddo
call plschr(0._plflt, 1.0_plflt)
call plmtex("t", 1.5_plflt, 0.5_plflt, 0.5_plflt, title(page))
enddo
! Demonstrate methods of getting the current fonts
call plgfci(fci_old)
call plgfont(ifamily, istyle, iweight)
write (*,'(a,z8)') 'For example 23 prior to page 12 the FCI is 0x',fci_old
write (*,'(a)') 'For example 23 prior to page 12 the font family, style and weight are '// &
trim(family(ifamily+1))//' '//trim(style(istyle+1))//' '//trim(weight(iweight+1))
do page=11,15
dy = 0.030_plflt
call pladv(0)
call plvpor(0.02_plflt, 0.98_plflt, 0.02_plflt, 0.90_plflt)
call plwind(0.0_plflt, 1.0_plflt, 0.0_plflt, 1.0_plflt)
call plsfci(0_plunicode)
if (page == 11) then
call plmtex('t', 1.5_plflt, 0.5_plflt, 0.5_plflt, &
'#<0x10>PLplot Example 23 - '// &
'Set Font with plsfci')
elseif (page == 12) then
call plmtex('t', 1.5_plflt, 0.5_plflt, 0.5_plflt, &
'#<0x10>PLplot Example 23 - '// &
'Set Font with plsfont')
elseif(page == 13) then
call plmtex('t', 1.5_plflt, 0.5_plflt, 0.5_plflt, &
'#<0x10>PLplot Example 23 - '// &
'Set Font with ##<0x8nnnnnnn> construct')
elseif(page == 14) then
call plmtex('t', 1.5_plflt, 0.5_plflt, 0.5_plflt, &
'#<0x10>PLplot Example 23 - '// &
'Set Font with ##<0xmn> constructs')
elseif(page == 15) then
call plmtex('t', 1.5_plflt, 0.5_plflt, 0.5_plflt, &
'#<0x10>PLplot Example 23 - '// &
'Set Font with ##<FCI COMMAND STRING/> constructs')
endif
call plschr(0._plflt, 0.75_plflt)
do i=0,fci_combinations-1
family_index = mod(i,5)
style_index = mod(i/5,3)
weight_index = mod((i/5)/3,2)
if(page == 11) then
call plsfci(fci(i+1))
write(string,'(a)') &
'Page 12, '// &
trim(family(family_index+1))//', '// &
trim(style(style_index+1))//', '// &
trim(weight(weight_index+1))//': '// &
'The quick brown fox jumps over the lazy dog'
elseif(page == 12) then
call plsfont(family_index, style_index, weight_index)
write(string,'(a)') &
'Page 13, '// &
trim(family(family_index+1))//', '// &
trim(style(style_index+1))//', '// &
trim(weight(weight_index+1))//': '// &
'The quick brown fox jumps over the lazy dog'
elseif(page == 13) then
! Note, must put in missing FCI marker for this particular case.
write(string,'(a,"#<0x8",z7.7,">",a)') &
'Page 14, '//trim(family(family_index+1))//', '// &
trim(style(style_index+1))//', '// &
trim(weight(weight_index+1))//': ', &
fci(i+1), &
'The quick brown fox jumps over the lazy dog'
elseif(page == 14) then
write(string,'(a,"#<0x",z1,"0>#<0x",z1,"1>#<0x",z1,"2>",a)') &
'Page 15, '// &
trim(family(family_index+1))//', '// &
trim(style(style_index+1))//', '// &
trim(weight(weight_index+1))//': ', &
family_index, &
style_index, &
weight_index, &
'The quick brown fox jumps over the lazy dog'
elseif(page == 15) then
write(string,'(a)') &
'Page 16, '// &
trim(family(family_index+1))//', '// &
trim(style(style_index+1))//', '// &
trim(weight(weight_index+1))//': '// &
'#<'//trim(family(family_index+1))//'/>#<'// &
trim(style(style_index+1))//'/>#<'// &
trim(weight(weight_index+1))//'/>'// &
'The quick brown fox jumps over the lazy dog'
endif
call plptex (0._plflt, 1._plflt - (i+0.5_plflt)*dy, 1._plflt, &
0._plflt, 0._plflt, string)
enddo
call plschr(0._plflt, 1.0_plflt)
enddo
! Restore defaults
call plcol0(1)
call plend()
end program x23f
subroutine lowercase23(string)
implicit none
character*(*) string
integer i, len, iascii
do i = 1, len(string)
iascii = iachar(string(i:i))
if(65.le.iascii.and.iascii.le.90) then
! convert uppercase to lowercase.
string(i:i) = achar(iascii+32)
endif
enddo
end
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