diff -Naur alevt-1.6.2/alevt.1x.in alevt-1.6.2-doublefont/alevt.1x.in

--- alevt-1.6.2/alevt.1x.in	2009-05-30 18:38:27.000000000 +0300

+++ alevt-1.6.2-doublefont/alevt.1x.in	2009-05-30 16:42:15.000000000 +0300

@@ -67,6 +67,9 @@

 in the selected set are replaced by similar looking symbols.

 (default: latin-1)

 .TP

+.BR \-doublefont / \-df

+Instructs alevt to use double sized fonts.

+.TP

 .B \-\-help

 Show summary of options.

 .TP

diff -Naur alevt-1.6.2/exp-gfx.c alevt-1.6.2-doublefont/exp-gfx.c

--- alevt-1.6.2/exp-gfx.c	2009-05-30 18:38:27.000000000 +0300

+++ alevt-1.6.2-doublefont/exp-gfx.c	2009-05-30 16:42:15.000000000 +0300

@@ -21,7 +21,16 @@

 	  int sep)

 {

   int x,y;

-  unsigned char* src= (latin1==LATIN1 ? font1_bits : font2_bits);

+  unsigned char* src = double_font ? 

+			( (latin1==LATIN1) ? font1_bits : 

+			  ( (latin1==LATIN2) ? font2_bits : 

+			  ( (latin1==KOI8) ? font3_bits :

+			  ( (latin1==GREEK) ? font4_bits : /* fallback */ font1_bits) ) ) ) 

+			  :

+			( (latin1==LATIN1) ? font1d_bits : 

+			  ( (latin1==LATIN2) ? font2d_bits : 

+			  ( (latin1==KOI8) ? font3d_bits :

+			  ( (latin1==GREEK) ? font4d_bits : /* fallback */ font1d_bits) ) ) );

   int dest_x=_x*CW;

   int dest_y=_y*CH;

diff -Naur alevt-1.6.2/font.c alevt-1.6.2-doublefont/font.c

--- alevt-1.6.2/font.c	2009-05-30 18:38:27.000000000 +0300

+++ alevt-1.6.2-doublefont/font.c	2009-05-30 16:42:15.000000000 +0300

@@ -4,4 +4,13 @@

 #include "font3.xbm"

 #include "font4.xbm"

+#include "font1d.xbm"

+#include "font2d.xbm"

+#include "font3d.xbm"

+#include "font4d.xbm"

+int CW;

+int CH;

+int double_font = 0;

+int font_width;

+int font_height;

diff -Naur alevt-1.6.2/font.h alevt-1.6.2-doublefont/font.h

--- alevt-1.6.2/font.h	2009-05-30 18:38:27.000000000 +0300

+++ alevt-1.6.2-doublefont/font.h	2009-05-30 16:42:15.000000000 +0300

@@ -1,20 +1,31 @@

 #ifndef FONT_H

 #define FONT_H

-#include "fontsize.h"	/* the #defines from font?.xbm */

+// #include "fontsize.h"	/* the #defines from font?.xbm */

-#if font1_width != font2_width || font1_height != font2_height

-#error different font sizes.

-#endif

+//#if font1_width != font2_width || font1_height != font2_height

+//#error different font sizes.

+//#endif

 extern unsigned char font1_bits[];

 extern unsigned char font2_bits[];

 extern unsigned char font3_bits[];

 extern unsigned char font4_bits[];

-#define font_width	font1_width

-#define font_height	font1_height

-#define CW		(font_width/32)        /* pixel width of a character */

-#define CH		(font_height/8)        /* pixel height of a character */

+extern unsigned char font1d_bits[];

+extern unsigned char font2d_bits[];

+extern unsigned char font3d_bits[];

+extern unsigned char font4d_bits[];

+

+//#define font_width	font1_width

+//#define font_height	font1_height

+//#define CW		(font_width/32)        /* pixel width of a character */

+//#define CH		(font_height/8)        /* pixel height of a character */

+

+extern int CW;

+extern int CH;

+extern int double_font;

+extern int font_width;

+extern int font_height;

 #endif

diff -Naur alevt-1.6.2/main.c alevt-1.6.2-doublefont/main.c

--- alevt-1.6.2/main.c	2009-05-30 18:38:27.000000000 +0300

+++ alevt-1.6.2-doublefont/main.c	2009-05-30 17:10:16.000000000 +0300

@@ -24,6 +24,12 @@

 static int erc = 1;

 static int newbttv = -1;

+/* Double font size related variables */

+extern int double_font;

+extern int font_width;

+extern int font_height;

+extern int CW;

+extern int CH;

 static void

 usage(FILE *fp, int exitval)

@@ -44,6 +50,7 @@

 	    "    -[no]erc\t\t\t\t\tenabled\n"

 	    "    -[no]bell\t\t\t\t\tenabled\n"

 	    "    -charset latin-1/2/russian/iso8859-7\tlatin-1\n"

+	    "    -doublefont\n"

 	    "\n"

 	    "  Order is important!  Each page number\n"

 	    "  opens a new window with the previously\n"

@@ -127,6 +134,7 @@

 	{ "-bell", "-b", 0 },

 	{ "-nobell", "-nb", 0 },

 	{ "-charset", "-latin", 1 },

+	{ "-doublefont", "-df", 0 },

     };

     int i;

@@ -164,7 +172,13 @@

     int opt, ind;

     char *arg;

-setlocale (LC_CTYPE, "");

+    setlocale (LC_CTYPE, "");

+

+    font_width  = 288;

+    font_height = 128;

+

+    CW = (font_width/32);

+    CH = (font_height/8);

     setprgname(argv[0]);

@@ -242,6 +256,13 @@

 		else

 		    fatal("bad charset (not latin-1/2/russian/iso8859-7)");

 		break;

+	    case 19:	// Doublefont

+		double_font = 1;

+		font_width  = 576;

+		font_height = 256;

+		CW = (font_width/32);

+		CH = (font_height/8);

+		break;

 	    case 12:	// debug

 		debug++;

 		break;

diff -Naur alevt-1.6.2/Makefile alevt-1.6.2-doublefont/Makefile

--- alevt-1.6.2/Makefile	2009-05-30 18:38:27.000000000 +0300

+++ alevt-1.6.2-doublefont/Makefile	2009-05-30 16:42:15.000000000 +0300

@@ -33,9 +33,10 @@

 alevt-cap: $(COBJS)

 	$(CC) $(OPT) $(COBJS) -o alevt-cap $(EXPLIBS)

-font.o: font1.xbm font2.xbm font3.xbm font4.xbm

-fontsize.h: font1.xbm font2.xbm font3.xbm font4.xbm

+font.o: font1.xbm font2.xbm font3.xbm font4.xbm font1d.xbm font2d.xbm font3d.xbm font4d.xbm

+fontsize.h: font1.xbm font2.xbm font3.xbm font4.xbm font1d.xbm font2d.xbm font3d.xbm font4d.xbm

 	fgrep -h "#define" font1.xbm font2.xbm font3.xbm font4.xbm >fontsize.h

+	fgrep -h "#define" font1d.xbm font2d.xbm font3d.xbm font4d.xbm >> fontsize.h

 font1.xbm: bdf2xbm $(FONT)-latin-1.bdf

 	./bdf2xbm font1 <$(FONT)-latin-1.bdf >font1.xbm

@@ -49,6 +50,18 @@

 font4.xbm: bdf2xbm vtxt-iso8859-7.bdf

 	./bdf2xbm font4 <vtxt-iso8859-7.bdf >font4.xbm

+font1d.xbm: font1.xbm

+	/usr/bin/convert -filter Point -resize 200% font1.xbm font1d.xbm

+

+font2d.xbm: font2.xbm

+	/usr/bin/convert -filter Point -resize 200% font2.xbm font2d.xbm

+

+font3d.xbm: font3.xbm

+	/usr/bin/convert -filter Point -resize 200% font3.xbm font3d.xbm

+

+font4d.xbm: font4.xbm

+	/usr/bin/convert -filter Point -resize 200% font4.xbm font4d.xbm

+

 bdf2xbm: bdf2xbm.c

 	$(HOSTCC) bdf2xbm.c -o bdf2xbm

@@ -62,7 +75,7 @@

 	sed s/VERSION/$(VER)/g <alevt-cap.1.in >alevt-cap.1

 clean:

-	rm -f *.o page*.txt a.out core bdf2xbm font?.xbm fontsize.h Makefile.bak

+	rm -f *.o page*.txt a.out core bdf2xbm font?.xbm font?d.xbm fontsize.h Makefile.bak

 	rm -f alevt alevt-date alevt-cap

 	rm -f alevt.1x alevt-date.1 alevt-cap.1

 	rm -f contrib/a.out ttext-*.*

diff -Naur alevt-1.6.2/xio.c alevt-1.6.2-doublefont/xio.c

--- alevt-1.6.2/xio.c	2009-05-30 18:38:27.000000000 +0300

+++ alevt-1.6.2-doublefont/xio.c	2009-05-30 16:42:15.000000000 +0300

@@ -130,12 +130,22 @@

     int i;

     unsigned char *font_bits;

-    switch(latin1) {

-        case LATIN1: font_bits=font1_bits; break;

-        case LATIN2: font_bits=font2_bits; break;

-        case KOI8: font_bits=font3_bits; break;

-	case GREEK: font_bits=font4_bits; break;

-        default: font_bits=font1_bits; break;

+    if(!double_font) {

+        switch(latin1) {

+            case LATIN1: font_bits=font1_bits; break;

+            case LATIN2: font_bits=font2_bits; break;

+            case KOI8: font_bits=font3_bits; break;

+            case GREEK: font_bits=font4_bits; break;

+            default: font_bits=font1_bits; break;

+        }

+    } else {

+        switch(latin1) {

+            case LATIN1: font_bits=font1d_bits; break;

+            case LATIN2: font_bits=font2d_bits; break;

+            case KOI8: font_bits=font3d_bits; break;

+            case GREEK: font_bits=font4d_bits; break;

+            default: font_bits=font1d_bits; break;

+        }

     }

     xio->font[0] = XCreateBitmapFromData(xio->dpy, xio->root,