1 files changed, 63 insertions, 0 deletions
diff --git a/editor/pnmtile.c b/editor/pnmtile.c
new file mode 100644
index 00000000..96bf658d
--- /dev/null
+++ b/editor/pnmtile.c
@@ -0,0 +1,63 @@
+/* pnmtile.c - replicate a portable anymap into a specified size
+**
+** Copyright (C) 1989 by Jef Poskanzer.
+**
+** Permission to use, copy, modify, and distribute this software and its
+** documentation for any purpose and without fee is hereby granted, provided
+** that the above copyright notice appear in all copies and that both that
+** copyright notice and this permission notice appear in supporting
+** documentation.  This software is provided "as is" without express or
+** implied warranty.
+*/
+
+#include "pnm.h"
+
+int
+main( argc, argv )
+    int argc;
+    char* argv[];
+    {
+    FILE* ifp;
+    xel** xels;
+    register xel* xelrow;
+    xelval maxval;
+    int rows, cols, format, width, height, row, col;
+    const char* const usage = "width height [pnmfile]";
+
+    pnm_init( &argc, argv );
+
+    if ( argc < 3 || argc > 4 )
+	pm_usage( usage );
+
+    if ( sscanf( argv[1], "%d", &width ) != 1 )
+	pm_usage( usage );
+    if ( sscanf( argv[2], "%d", &height ) != 1 )
+	pm_usage( usage );
+
+    if ( width < 1 )
+	pm_error( "width is less than 1" );
+    if ( height < 1 )
+	pm_error( "height is less than 1" );
+
+    if ( argc == 4 )
+	ifp = pm_openr( argv[3] );
+    else
+	ifp = stdin;
+
+    xels = pnm_readpnm( ifp, &cols, &rows, &maxval, &format );
+    pm_close( ifp );
+
+    xelrow = pnm_allocrow( width );
+
+    pnm_writepnminit( stdout, width, height, maxval, format, 0 );
+    for ( row = 0; row < height; ++row )
+	{
+	for ( col = 0; col < width; ++col )
+	    xelrow[col] = xels[row % rows][col % cols];
+	pnm_writepnmrow( stdout, xelrow, width, maxval, format, 0 );
+	}
+
+    pm_close( stdout );
+
+    exit( 0 );
+    }