From 5df5db793cceaa7a562039f78fb72c1d68d0c1d8 Mon Sep 17 00:00:00 2001
From: Eamon Walsh <ewalsh@tycho.nsa.gov>
Date: Thu, 29 Sep 2011 14:25:13 -0400
Subject: Add a raw fb0 dump to XWD format converter.

---
 util/rawtoxwd.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 util/rawtoxwd.c

diff --git a/util/rawtoxwd.c b/util/rawtoxwd.c
new file mode 100644
index 0000000..c77905d
--- /dev/null
+++ b/util/rawtoxwd.c
@@ -0,0 +1,55 @@
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/XWDFile.h>
+
+static XWDFileHeader fh = {
+    .header_size = sizeof(XWDFileHeader),
+    .file_version = XWD_FILE_VERSION,
+    .pixmap_format = ZPixmap,
+    .pixmap_depth = 24,
+    .pixmap_width = 1600,
+    .pixmap_height = 900,
+    .byte_order = LSBFirst,
+    .bitmap_unit = 32,
+    .bitmap_bit_order = LSBFirst,
+    .bitmap_pad = 32,
+    .bits_per_pixel = 24,
+    .bytes_per_line = 4800,
+    .visual_class = DirectColor,
+    .red_mask = 0xff0000,
+    .green_mask = 0x00ff00,
+    .blue_mask = 0x0000ff,
+    .bits_per_rgb = 8,
+    .colormap_entries = 0,
+    .ncolors = 0,
+    .window_width = 1600,
+    .window_height = 900,
+};
+
+int
+main(int argc, char *argv[])
+{
+    int i;
+    ssize_t rc;
+    CARD32 pixel, *ptr;
+
+    /* structure values are MSBFirst */
+    ptr = (CARD32 *)&fh;
+    for (i = 0; i < sizeof(fh); i+=4) {
+	*ptr = htonl(*ptr);
+	ptr++;
+    }
+
+    write(1, &fh, sizeof(fh));
+    
+    for (i = 0; i < 1600 * 900; i++) {
+	rc = read(0, &pixel, 4);
+	if (rc <= 0)
+	    break;
+	write(1, &pixel, 3);
+    }
+
+    return 0;
+}
-- 
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