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#include "font.hh"
#include "painter.hh"
#include "dl-pkfont.hh"
#include "dl-vffont.hh"
using DviLib::FileLoader;
using DviLib::AbstractFont;
using DviLib::VfChar;
using DviLib::PkChar;
using DviLib::PkFont;
using DviLib::VfFont;
static char *
do_run_program (const char *program,
GList *args,
GError **err)
{
char **argv = g_new (char *, g_list_length (args) + 2);
GList *l;
int i;
char *result;
i = 0;
argv[i++] = g_strdup (program);
for (l = args; l; l = l->next)
argv[i++] = g_strdup ((char *)l->data);
argv[i++] = NULL;
g_list_free (args);
/* run it */
g_spawn_sync (NULL, /* working directory */
argv, /* arguments */
NULL, /* environment */
G_SPAWN_SEARCH_PATH, /* flags */
NULL, /* child setup */
NULL, /* user data for child setup */
&result, /* stdout */
NULL, /* stderr */
NULL, /* exit status */
err /* GError */);
g_strfreev (argv);
return result;
}
static char *
run_program (const char *program,
GError **err,
const char *arg1,
...)
{
va_list arg_list;
GList *arguments = NULL;
char *s;
va_start (arg_list, arg1);
arguments = g_list_append (arguments, (gpointer)arg1);
s = va_arg (arg_list, gchar*);
while (s)
{
arguments = g_list_append (arguments, s);
s = va_arg (arg_list, gchar*);
}
va_end (arg_list);
return do_run_program (program, arguments, err);
}
static char *
run_kpsewhich (int dpi,
string format,
string name)
{
char *dpistr = g_strdup_printf ("--dpi=%d", dpi);
char *formatstr = g_strdup_printf ("--format=%s", format.c_str());
char *namestr = g_strdup (name.c_str());
GError *err = NULL;
char *result;
result = run_program ("kpsewhich", &err, dpistr, formatstr, namestr, NULL);
if (!result)
{
cout << err->message << endl;
}
else
{
g_strstrip (result);
if (*result == '\0')
{
/* Nothing useful returned */
g_free (result);
result = NULL;
}
}
cout << "kpsewhich " << dpistr << " " << formatstr << " " << namestr << " " << endl;
g_free (dpistr);
g_free (formatstr);
g_free (namestr);
return result;
}
static void
run_mktexpk (int dpi, string name)
{
char *dpistr = g_strdup_printf ("--bdpi=%d", dpi);
char *bdpistr = g_strdup_printf ("--dpi=%d", dpi);
char *namestr = g_strdup (name.c_str());
char *result;
cout << "mktexpk " << bdpistr << " " << dpistr << " " << " " << namestr << " " << endl;
result = run_program ("mktexpk", NULL, bdpistr, dpistr, namestr, NULL);
if (result)
g_free (result);
g_free (dpistr);
g_free (bdpistr);
g_free (namestr);
}
AbstractFont *
FontFactory::create_font (std::string name,
int dpi,
int at_size)
{
char *filename;
cout << "at size: " << at_size << endl;
/* Find VF */
filename = run_kpsewhich (dpi, "vf", name);
if (filename)
return new VfFont (*new FileLoader (filename), at_size);
/* Try PK */
filename = run_kpsewhich (dpi, "pk", name);
if (filename)
return new PkFont (*new FileLoader (filename), at_size);
/* Generate PK */
run_mktexpk (dpi, name);
cout << "birnan" << endl;
/* Try PK again */
filename = run_kpsewhich (dpi, "pk", name);
if (filename)
return new PkFont (*new FileLoader (filename), at_size);
cout << "no luck" << endl;
throw (string ("bad font"));
return NULL;
}
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