1 files changed, 74 insertions, 0 deletions
diff --git a/dviware/dvi2bitmap/XBMBitmap.cc b/dviware/dvi2bitmap/XBMBitmap.cc
new file mode 100644
index 0000000000..e2b2a9c8af
--- /dev/null
+++ b/dviware/dvi2bitmap/XBMBitmap.cc
@@ -0,0 +1,74 @@
+/* This file is part of dvi2bitmap; see README for copyrights and licence */
+
+#include <config.h>
+
+#include "Bitmap.h"
+#include "XBMBitmap.h"
+
+//#include <iostream>		// debug code writes to cerr
+
+#if HAVE_CSTD_INCLUDE
+#  include <cstdio>
+#  include <cctype>
+#  if CCTYPE_IN_STD
+   using std::isalnum;
+#  endif
+#else
+#  include <stdio.h>
+#  include <ctype.h>
+#endif
+
+
+
+XBMBitmap::XBMBitmap (const int w, const int h)
+    : BitmapImage (w, h)
+{
+}
+
+XBMBitmap::~XBMBitmap ()
+{
+}
+
+void XBMBitmap::write (const string filename)
+{
+    FILE *op;
+    if ((op = fopen (filename.c_str(), "w")) == NULL)
+	throw BitmapError ("can't open XBM 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, "#define %s_width %d\n", fnroot, w_);
+    fprintf (op, "#define %s_height %d\n", fnroot, h_);
+    fprintf (op, "static unsigned char %s_bits[] = {\n", fnroot);
+    for (int row=0; row<h_; row++)
+    {
+	Byte b = 0;
+	Byte bitno = 0;
+	const Byte *p = &bitmap_[row*w_];
+	for (int col=0; col<w_; col++)
+	{
+	    if (*p++)
+		b |= static_cast<Byte>(1<<bitno);
+	    if (bitno == 7)
+	    {
+		fprintf (op, "0x%02x, ", b);
+		b = 0;
+		bitno = 0;
+	    }
+	    else
+		bitno++;
+	}
+	if (bitno != 0)
+	    fprintf (op, "0x%02x, ", static_cast<unsigned int>(b));
+	fprintf (op, "\n");
+    }
+    fprintf (op, "};\n");
+    fclose (op);
+}