Fixes PolylineShape built from a buildShape { } and/or graphics { } not displaying line dashes

korim/src/commonMain/kotlin/korlibs/image/vector/Shape.kt

@@ -377,11 +377,19 @@ data class PolylineShape constructor(
         return bounds?.immutable ?: Rectangle.ZERO
     }
 
-    override fun drawInternal(c: Context2d) {
-		c.lineScaleMode = strokeInfo.scaleMode
-		c.lineWidth = strokeInfo.thickness
-		c.lineCap = strokeInfo.endCap
+    fun setState(c: Context2d) {
+        c.lineScaleMode = strokeInfo.scaleMode
+        c.lineWidth = strokeInfo.thickness
+        c.startLineCap = strokeInfo.startCap
+        c.endLineCap = strokeInfo.endCap
         c.lineJoin = strokeInfo.join
+        c.miterLimit = strokeInfo.miterLimit
+        c.lineDash = strokeInfo.dash
+        c.lineDashOffset = strokeInfo.dashOffset
+    }
+
+    override fun drawInternal(c: Context2d) {
+        setState(c)
 		c.stroke(paint)
 	}
 

korim/src/commonTest/kotlin/korlibs/image/bitmap/vector/Bitmap32Context2dTest.kt

@@ -12,6 +12,7 @@ import korlibs.io.async.*
 import korlibs.math.geom.*
 import korlibs.math.geom.vector.*
 import korlibs.crypto.encoding.*
+import korlibs.image.vector.*
 import kotlin.test.*
 
 class Bitmap32Context2dTest {
@@ -123,6 +124,24 @@ class Bitmap32Context2dTest {
             assertEquals(color, bmp.toBMP32()[100, 10])
         }
     }
+
+    @Test
+    fun testLineDash() = suspendTest {
+        val shape: Shape = buildShape {
+            stroke(Colors.WHITE, 4f, lineDash = floatArrayListOf(20f, 10f)) {
+                line(Point(0, 0), Point(100, 100))
+            }
+        }
+        Bitmap32(100, 100).context2d {
+            assertEquals(null, this.lineDash)
+            //this.draw(shape)
+            (shape as PolylineShape).setState(this)
+            assertEquals(4f, this.lineWidth)
+            assertEquals(floatArrayListOf(20f, 10f), this.lineDash)
+
+        }
+            //.showImageAndWait()
+    }
 }