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// Utility to generate standard font set.
#include "plplotP.h"
extern short int *hersh[];
extern short int *findex[];
extern short int *buffer[];
int
compare( const void *si1, const void *si2 );
int
compare( const void *si1, const void *si2 )
{
const short *a = (const short *) si1;
const short *b = (const short *) si2;
return ( *a == *b ? 0 : ( *a > *b ? 1 : -1 ) );
}
int
main( void )
{
size_t i, j, k, ib, nstd;
U_SHORT nchars, nleng, htab, nindx, zero;
U_SHORT *hrshlst, *hrshidx;
int ix, iy;
long fpos;
PDFstrm *pdfs;
hrshlst = (U_SHORT *) malloc( 176 * sizeof ( U_SHORT ) );
hrshidx = (U_SHORT *) malloc( 176 * sizeof ( U_SHORT ) );
ib = 0;
for ( k = 0; k < 176; k++ )
hrshlst[ib++] = (U_SHORT) *( hersh[0] + k );
// Sort list
qsort( (char *) hrshlst, ib, sizeof ( U_SHORT ), compare );
// Remove duplicates
k = 0;
j = 0;
do
{
if ( hrshlst[k] == hrshlst[j] )
j++;
else
hrshlst[++k] = hrshlst[j];
} while ( j < ib );
nstd = k + 1;
// Now reindex the fonts
for ( k = 0; k < 176; k++ )
for ( i = 0; i < nstd; i++ )
if ( *( hersh[0] + k ) == hrshlst[i] )
{
hrshidx[k] = (U_SHORT) ( i + 1 );
break;
}
pdfs = pdf_fopen( PL_SFONT, "wb+" );
if ( !pdfs )
{
printf( "Error opening standard font file.\n" );
exit( 1 );
}
htab = 1 * 256 + 176;
pdf_wr_2bytes( pdfs, htab );
pdf_wr_2nbytes( pdfs, hrshidx, 176 );
zero = 0;
nindx = 0;
nleng = 1;
fpos = ftell( pdfs->file );
pdf_wr_2bytes( pdfs, nindx );
for ( j = 0; j < nstd; j++ )
{
ib = (size_t) *( findex[( hrshlst[j] - 1 ) / 100] + ( hrshlst[j] - 1 ) % 100 );
if ( ib == 0 )
{
pdf_wr_2bytes( pdfs, zero );
nindx++;
}
else
{
pdf_wr_2bytes( pdfs, nleng );
nindx++;
for (;; )
{
ix = *( buffer[ib / 100] + ib % 100 ) / 128 - 64;
iy = *( buffer[ib / 100] + ib % 100 ) % 128 - 64;
ib++;
if ( ix == -64 )
ix = 64;
if ( iy == -64 )
iy = 64;
nleng++;
if ( ix == 64 && iy == 64 )
break;
}
}
}
fseek( pdfs->file, fpos, 0 );
pdf_wr_2bytes( pdfs, nindx );
nchars = 0;
nleng = 1;
fseek( pdfs->file, 0, 2 ); // Go to end of file
fpos = ftell( pdfs->file ); // Save current position
pdf_wr_2bytes( pdfs, nleng );
for ( j = 0; j < nstd; j++ )
{
ib = (size_t) *( findex[( hrshlst[j] - 1 ) / 100] + ( hrshlst[j] - 1 ) % 100 );
if ( ib != 0 )
{
for (;; )
{
ix = *( buffer[ib / 100] + ib % 100 ) / 128 - 64;
iy = *( buffer[ib / 100] + ib % 100 ) % 128 - 64;
ib++;
if ( ix == -64 )
ix = 64;
if ( iy == -64 )
iy = 64;
fputc( ix, pdfs->file );
fputc( iy, pdfs->file );
nleng++;
if ( ix == 64 && iy == 64 )
break;
}
nchars++;
}
}
nleng--;
fseek( pdfs->file, fpos, 0 );
pdf_wr_2bytes( pdfs, nleng );
pdf_close( pdfs );
free( hrshlst );
free( hrshidx );
printf( "There are %d characters in standard font set.\n", nchars - 1 );
exit( 0 );
}
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