From fbb3280bc814141694e4318ae7f256435e4d03b8 Mon Sep 17 00:00:00 2001
From: Peli de Halleux <pelikhan@users.noreply.github.com>
Date: Thu, 5 Apr 2018 20:42:03 -0700
Subject: [PATCH] Showimagedelay (#446)

* add delay on "show image"

* removing optional duration
---
 libs/ev3/mood.ts               | 2 +-
 libs/screen/targetoverrides.ts | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/libs/ev3/mood.ts b/libs/ev3/mood.ts
index 2feee807..9650ed4d 100644
--- a/libs/ev3/mood.ts
+++ b/libs/ev3/mood.ts
@@ -31,7 +31,7 @@ namespace brick {
          */
         show() {
             brick.setStatusLight(this.light);
-            brick.showImage(this.image);
+            brick.showImage(this.image, 0);
             music.playSoundEffectUntilDone(this.sound);
             pause(20);
         }
diff --git a/libs/screen/targetoverrides.ts b/libs/screen/targetoverrides.ts
index e2567255..e4e0fe40 100644
--- a/libs/screen/targetoverrides.ts
+++ b/libs/screen/targetoverrides.ts
@@ -91,13 +91,17 @@ namespace brick {
     /**
      * Show an image on the screen
      * @param image image to draw
+     * @param duration duration in milliseconds to display the image, eg: 400
      */
     //% blockId=screen_show_image block="show image %image=screen_image_picker"
     //% weight=100 group="Screen" blockGap=8
     //% help=brick/show-image
-    export function showImage(image: Image) {
+    export function showImage(image: Image, duration: number = 400) {
         if (!image) return;
-        screen.drawImage(image, 0, 0)
+        screen.fill(0);
+        screen.drawImage(image, 0, 0);
+        if (duration > 0)
+            pause(duration);
     }
 
     /**