pyx/t1strip/t1strip.c

   1 /*  t1strip.c: Copyright 2003 Jörg Lehmann, André Wobst
   2  *
   3  *  This program is free software; you can redistribute it and/or modify
   4  *  it under the terms of the GNU General Public License as published by
   5  *  the Free Software Foundation; either version 2 of the License, or
   6  *  (at your option) any later version.
   7  *
   8  *  This program is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *  GNU General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU General Public License
  14  *  along with this program; if not, write to the Free Software
  15  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  16  *  USA.
  17  */
  18
  19
  20 #include <Python.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23
  24 FILE *bitfile;
  25 int t1_subset(char*, char *, unsigned char *g);
  26 int t1_subset_2(char*, unsigned char *g, char *);
  27
  28 static PyObject *py_t1strip(PyObject *self, PyObject *args)
  29 {
  30     PyObject *py_glyphs;
  31     PyObject *py_file;
  32     char *fontname;
  33     char *encname="";
  34     unsigned char glyphs[256];
  35
  36     if (PyArg_ParseTuple(args, "O!sO!|s", &PyFile_Type, &py_file, &fontname, &PyList_Type, &py_glyphs, &encname)) {
  37         int i;
  38         int size = PyList_Size(py_glyphs);
  39         if (size>256)
  40             return NULL;
  41
  42         for (i=0; i<size; i++) {
  43             PyObject *py_int = PyList_GetItem(py_glyphs, i);
  44             if (!PyInt_Check(py_int))
  45                 return NULL;
  46             glyphs[i] = PyInt_AsLong(py_int) ? 1 : 0;
  47         }
  48         for (i=size; i<256; i++)
  49             glyphs[i] = 0;
  50
  51         bitfile = PyFile_AsFile(py_file);
  52
  53         if (strcmp(encname, "")!=0)
  54             t1_subset(fontname, encname, glyphs);
  55         else
  56             t1_subset_2(fontname, glyphs, 0);
  57     }
  58     else return NULL;
  59
  60     Py_INCREF(Py_None);
  61     return Py_None;
  62 }
  63
  64 /* exported methods */
  65
  66 static PyMethodDef t1strip_methods[] = {
  67     {"t1strip", py_t1strip,  METH_VARARGS},
  68     {NULL, NULL}
  69 };
  70
  71 void init_t1strip(void) {
  72     (void) Py_InitModule("_t1strip", t1strip_methods);
  73 }