Initial commit.

1 files changed, 61 insertions, 0 deletions

diff --git a/compface_private.h b/compface_private.h
new file mode 100644
index 0000000..ec34fbb
--- /dev/null
+++ b/compface_private.h
@@ -0,0 +1,61 @@
+/*
+ *  Compface - 48x48x1 image compression and decompression
+ *
+ *  Copyright (c) James Ashton - Sydney University - June 1990.
+ *
+ *  Written 11th November 1989.
+ *
+ *  Permission is given to distribute these sources, as long as the
+ *  copyright messages are not removed, and no monies are exchanged. 
+ *
+ *  No responsibility is taken for any errors on inaccuracies inherent
+ *  either to the comments or the code of this program, but if reported
+ *  to me, then an attempt will be made to fix them.
+ */
+
+#include "compface.h"
+
+#define EXTERN
+#define INIT(x) = x
+
+/* need to know how many bits per hexadecimal digit for io */
+EXTERN char HexDigits[] INIT("0123456789ABCDEF");
+
+/* internal face representation - 1 char per pixel is faster */
+EXTERN char F[PIXELS];
+
+EXTERN BigInt B;
+
+/* data.h was established by sampling over 1000 faces and icons */
+EXTERN Guesses G
+=
+#include "data.h"
+;
+
+/* A stack of probability values */
+EXTERN Prob *ProbBuf[PIXELS * 2];
+EXTERN int NumProbs INIT(0);
+
+EXTERN Prob levels[4][3]
+=
+{
+	{{1, 255},	{251, 0},	{4, 251}},	/* Top of tree almost always grey */
+	{{1, 255},	{200, 0},	{55, 200}},
+	{{33, 223},	{159, 0},	{64, 159}},
+	{{131, 0},	{0, 0}, 	{125, 131}}	/* Grey disallowed at bottom */
+}
+;
+
+EXTERN Prob freqs[16]
+=
+{
+	{0, 0}, 	{38, 0},	{38, 38},	{13, 152},
+	{38, 76},	{13, 165},	{13, 178},	{6, 230},
+	{38, 114},	{13, 191},	{13, 204},	{6, 236},
+	{13, 217},	{6, 242},	{5, 248},	{3, 253}
+}
+;
+
+EXTERN int status;
+
+EXTERN jmp_buf comp_env;