1 files changed, 80 insertions, 0 deletions
diff --git a/Imaging/libImaging/EpsEncode.c b/Imaging/libImaging/EpsEncode.c
new file mode 100644
index 0000000..0e62c2d
--- /dev/null
+++ b/Imaging/libImaging/EpsEncode.c
@@ -0,0 +1,80 @@
+/* 
+ * The Python Imaging Library.
+ * $Id: EpsEncode.c 2134 2004-10-06 08:55:20Z fredrik $
+ *
+ * encoder for EPS hex data
+ *
+ * history:
+ *	96-04-19 fl	created
+ *	96-06-27 fl	don't drop last block of encoded data
+ *
+ * notes:
+ *	FIXME: rename to HexEncode.c ??
+ *
+ * Copyright (c) Fredrik Lundh 1996.
+ * Copyright (c) Secret Labs AB 1997.
+ *
+ * See the README file for information on usage and redistribution.
+ */
+
+
+#include "Imaging.h"
+
+
+int
+ImagingEpsEncode(Imaging im, ImagingCodecState state, UINT8* buf, int bytes)
+{
+    enum { HEXBYTE=1, NEWLINE };
+    const char *hex = "0123456789abcdef";
+
+    UINT8* ptr = buf;
+    UINT8* in, i;
+
+    if (!state->state) {
+	state->state = HEXBYTE;
+	state->xsize *= im->pixelsize; /* Hack! */
+    }
+
+    in = (UINT8*) im->image[state->y];
+
+    for (;;) {
+
+	if (state->state == NEWLINE) {
+	    if (bytes < 1)
+		break;
+	    *ptr++ = '\n';
+	    bytes--;
+	    state->state = HEXBYTE;
+	}
+
+	if (bytes < 2)
+	    break;
+
+	i = in[state->x++];
+	*ptr++ = hex[(i>>4)&15];
+	*ptr++ = hex[i&15];
+	bytes -= 2;
+
+	/* Skip junk bytes */
+	if (im->bands == 3 && (state->x & 3) == 3)
+	    state->x++;
+
+	if (++state->count >= 79/2) {
+	    state->state = NEWLINE;
+	    state->count = 0;
+	}
+
+	if (state->x >= state->xsize) {
+	    state->x = 0;
+	    if (++state->y >= state->ysize) {
+		state->errcode = IMAGING_CODEC_END;
+		break;
+	    }
+	    in = (UINT8*) im->image[state->y];
+	}
+
+    }
+
+    return ptr - buf;
+    
+}