diff --git a/examples/example1/src/example1.d b/examples/example1/src/example1.d
index 9478527e..63bfd86e 100644
--- a/examples/example1/src/example1.d
+++ b/examples/example1/src/example1.d
@@ -1104,6 +1104,8 @@ void main()
                 //buf.fillTriangleF(vec2(x+80, y+150), vec2(x+280, y+250), vec2(x+80, y+200), 0xC0008080);
                 //buf.clipRect = oldClip;
                 canvas.font.drawText(buf, x + 190, y + 260, "polyLineF()"d, 0x603010);
+                PointF[] poly2 = [vec2(x+330, y+250), vec2(x+440, y+180), vec2(x+370, y+270), vec2(x+480, y+300), vec2(x+520, y+200), vec2(x+420, y+450), vec2(x+380, y+430)];
+                buf.fillPolyF(poly2, 0x80203050);
             };
             tabs.addTab(canvas, "TAB_CANVAS"c);
 
diff --git a/src/dlangui/graphics/drawbuf.d b/src/dlangui/graphics/drawbuf.d
index 7dee763a..e94e8e66 100644
--- a/src/dlangui/graphics/drawbuf.d
+++ b/src/dlangui/graphics/drawbuf.d
@@ -621,7 +621,7 @@ class DrawBuf : RefCountedObject {
     }
 
     /// draw poly line of arbitrary width in float coordinates; when cycled is true, connect first and last point
-    void polyLineF(PointF[] points, float width, uint colour, bool cycled) {
+    void polyLineF(PointF[] points, float width, uint colour, bool cycled, uint innerAreaColour = COLOR_TRANSPARENT) {
         if (points.length < 2)
             return;
         for(int i = 0; i + 1 < points.length; i++) {
@@ -634,6 +634,45 @@ class DrawBuf : RefCountedObject {
         }
     }
 
+    /// draw filled polyline (vertexes must be in clockwise order)
+    void fillPolyF(PointF[] points, uint colour) {
+        if (points.length < 3) {
+            return;
+        }
+        if (points.length == 3) {
+            fillTriangleF(points[0], points[1], points[2], colour);
+            return;
+        }
+        PointF[] list = points.dup;
+        bool moved;
+        while (list.length > 3) {
+            moved = false;
+            for (int i = 0; i < list.length; i++) {
+                PointF p1 = list[i + 0];
+                PointF p2 = list[(i + 1) % list.length];
+                PointF p3 = list[(i + 2) % list.length];
+                float cross = (p2 - p1).crossProduct(p3 - p2);
+                if (cross >= 0) {
+                    // draw triangle
+                    fillTriangleF(p1, p2, p3, colour);
+                    int indexToRemove = (i + 1) % (cast(int)list.length);
+                    // remove triangle from poly
+                    for (int j = indexToRemove; j + 1 < list.length; j++)
+                        list[j] = list[j + 1];
+                    list.length = list.length - 1;
+                    i += 1;
+                    moved = true;
+                }
+            }
+            if (list.length == 3) {
+                fillTriangleF(list[0], list[1], list[2], colour);
+                break;
+            }
+            if (!moved)
+                break;
+        }
+    }
+
     /// draw poly line of width == 1px; when cycled is true, connect first and last point
     void polyLine(Point[] points, uint colour, bool cycled) {
         if (points.length < 2)