1 files changed, 78 insertions, 0 deletions
diff --git a/util/trace-to-xml.c b/util/trace-to-xml.c
new file mode 100755
index 000000000..a0f03ccff
--- /dev/null
+++ b/util/trace-to-xml.c
@@ -0,0 +1,78 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <cairo-xml.h>
+#include <cairo-script-interpreter.h>
+
+#include <stdio.h>
+#include <string.h>
+
+static cairo_surface_t *
+_surface_create (void *_closure,
+		 cairo_content_t content,
+		 double width, double height,
+		 long uid)
+{
+    cairo_surface_t **closure = _closure;
+    cairo_surface_t *surface;
+    cairo_rectangle_t extents;
+
+    extents.x = extents.y = 0;
+    extents.width  = width;
+    extents.height = height;
+    surface = cairo_recording_surface_create (content, &extents);
+    if (*closure == NULL)
+	*closure = cairo_surface_reference (surface);
+
+    return surface;
+}
+
+static cairo_status_t
+stdio_write (void *closure, const unsigned char *data, unsigned len)
+{
+    if (fwrite (data, len, 1, closure) == 1)
+	return CAIRO_STATUS_SUCCESS;
+    else
+	return CAIRO_STATUS_WRITE_ERROR;
+}
+
+int
+main (int argc, char **argv)
+{
+    cairo_surface_t *surface = NULL;
+    const cairo_script_interpreter_hooks_t hooks = {
+	.closure = &surface,
+	.surface_create = _surface_create,
+    };
+    cairo_script_interpreter_t *csi;
+    FILE *in = stdin, *out = stdout;
+
+    if (argc >= 2 && strcmp (argv[1], "-"))
+	in = fopen (argv[1], "r");
+    if (argc >= 3 && strcmp (argv[2], "-"))
+	out = fopen (argv[2], "w");
+
+    csi = cairo_script_interpreter_create ();
+    cairo_script_interpreter_install_hooks (csi, &hooks);
+    cairo_script_interpreter_feed_stream (csi, in);
+    cairo_script_interpreter_finish (csi);
+    cairo_script_interpreter_destroy (csi);
+
+    if (surface != NULL) {
+	cairo_device_t *xml;
+
+	xml = cairo_xml_create_for_stream (stdio_write, out);
+	cairo_xml_for_recording_surface (xml, surface);
+	cairo_device_destroy (xml);
+
+	cairo_surface_destroy (surface);
+    }
+
+    if (in != stdin)
+	fclose (in);
+    if (out != stdout)
+	fclose (out);
+
+    return 0;
+}