From db275d5f5503124d353393d78e899e2ecfdf03c3 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.me.uk>
Date: Tue, 21 Jan 2020 23:29:44 +0100
Subject: Add basic timing ruler

---
 libstorycode/narrative_render_cairo.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'libstorycode/narrative_render_cairo.c')

diff --git a/libstorycode/narrative_render_cairo.c b/libstorycode/narrative_render_cairo.c
index f23f18c..ee5e67d 100644
--- a/libstorycode/narrative_render_cairo.c
+++ b/libstorycode/narrative_render_cairo.c
@@ -504,6 +504,19 @@ int narrative_render_item_cairo(Narrative*n, cairo_t *cr, int i)
 	return 0;
 }
 
+double narrative_get_item_y(Narrative *n, int item)
+{
+	int i;
+	double y = 0.0;
+
+	if ( item >= n->n_items ) return +INFINITY;
+
+	for ( i=0; i<item; i++ ) {
+		y += narrative_item_get_height(n, i);
+	}
+	return y;
+}
+
 
 /* Given a y-coordinate range, works out which range of items (inclusive)
  * are at least partially within the range */
-- 
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