Add device interface functions to draw tiled patterns.

1 files changed, 20 insertions, 0 deletions

diff --git a/fitz/dev_trace.c b/fitz/dev_trace.c
index 50ba02f3..f8a94b43 100644
--- a/fitz/dev_trace.c
+++ b/fitz/dev_trace.c
@@ -253,6 +253,23 @@ fz_traceendgroup(void *user)
 	printf("</group>\n");
 }
 
+static void
+fz_tracebegintile(void *user, fz_rect area, fz_rect view, float xstep, float ystep, fz_matrix ctm)
+{
+	printf("<tile ");
+	printf("area=\"%g %g %g %g\" ", area.x0, area.y0, area.x1, area.y1);
+	printf("view=\"%g %g %g %g\" ", view.x0, view.y0, view.x1, view.y1);
+	printf("xstep=\"%g\" ystep=\"%g\" ", xstep, ystep);
+	fz_tracematrix(ctm);
+	printf(">\n");
+}
+
+static void
+fz_traceendtile(void *user)
+{
+	printf("</tile>\n");
+}
+
 fz_device *fz_newtracedevice(void)
 {
 	fz_device *dev = fz_newdevice(nil);
@@ -280,5 +297,8 @@ fz_device *fz_newtracedevice(void)
 	dev->begingroup = fz_tracebegingroup;
 	dev->endgroup = fz_traceendgroup;
 
+	dev->begintile = fz_tracebegintile;
+	dev->endtile = fz_traceendtile;
+
 	return dev;
 }