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/* This file is part of dvi2bitmap; see README for copyrights and licence */
// XPMBitmap contributed by Yamabe Kazuharu <tako_da@qc4.so-net.ne.jp>
//
// This is a very simple implementation of the XPM format. For
// further details, and a full XPM library, see
// http://www-sop.inria.fr/koala/lehors/xpm.html
#include <config.h>
#include "Bitmap.h"
#include "XPMBitmap.h"
//#include <iostream> // debug code writes to cerr
#ifdef HAVE_CSTD_INCLUDE
# include <cstdio>
# include <cctype>
# if CCTYPE_IN_STD
using std::isalnum;
# endif
#else
# include <stdio.h>
# include <ctype.h>
#endif
XPMBitmap::XPMBitmap (const int w, const int h)
: BitmapImage (w, h)
{
}
XPMBitmap::~XPMBitmap ()
{
}
void XPMBitmap::write (const string filename)
{
FILE *op;
if ((op = fopen (filename.c_str(), "w")) == NULL)
throw BitmapError ("can't open XPM file"+filename+" to write");
size_t dotpos = filename.find_last_of('.');
size_t seppos = filename.find_last_of(FSPATH_SEP);
if (seppos == string::npos) seppos = 0;
if (dotpos == string::npos) dotpos = filename.length();
string fnroot_str = "";
for (unsigned int charno=(unsigned int)seppos; charno<dotpos; charno++)
fnroot_str += (isalnum(filename[charno]) ? filename[charno] : '_');
const char *fnroot = fnroot_str.c_str();
fprintf (op, "/* XPM */\n");
fprintf (op, "static char * %s_xpm[] = {\n", fnroot);
fprintf (op, "\"%d %d 2 1\",\n", w_, h_);
fprintf (op, "\" \tc None\",\n");
fprintf (op, "\".\tc #000000\",\n");
for (int row=0; row<h_; row++)
{
const Byte *p = &bitmap_[row*w_];
fprintf (op, "\"");
for (int col=0; col<w_; col++)
{
if (*p++)
fprintf(op, ".");
else
fprintf(op, " ");
}
fprintf (op, "\",\n");
}
fprintf (op, "};\n");
fclose (op);
}
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