Add screenshot generation

orx-timer/build.gradle

@@ -10,6 +10,7 @@ sourceSets {
 
 dependencies {
     demoImplementation("org.openrndr:openrndr-core:$openrndrVersion")
+    demoImplementation("org.openrndr:openrndr-extensions:$openrndrVersion")
     demoRuntimeOnly("org.openrndr:openrndr-gl3:$openrndrVersion")
     demoRuntimeOnly("org.openrndr:openrndr-gl3-natives-$openrndrOS:$openrndrVersion")
     demoImplementation(sourceSets.getByName("main").output)

orx-timer/src/demo/kotlin/DemoRepeat01.kt

@@ -1,4 +1,5 @@
 import org.openrndr.application
+import org.openrndr.extensions.SingleScreenshot
 import org.openrndr.extra.timer.repeat
 
 fun main() = application {
@@ -6,6 +7,11 @@ fun main() = application {
         repeat(2.0) {
             println("hello there $seconds" )
         }
+        if (System.getProperty("takeScreenshot") == "true") {
+            extend(SingleScreenshot()) {
+                this.outputFile = System.getProperty("screenshotPath")
+            }
+        }
         extend {
 
         }

orx-timer/src/demo/kotlin/DemoRepeat02.kt

@@ -1,6 +1,7 @@
 import org.openrndr.application
 import org.openrndr.color.ColorRGBa
 import org.openrndr.events.Event
+import org.openrndr.extensions.SingleScreenshot
 import org.openrndr.extra.timer.repeat
 
 /**
@@ -17,6 +18,11 @@ fun main() = application {
             // -- we can not draw here, so we relay the repeat signal to the event
             event.trigger(null)
         }
+        if (System.getProperty("takeScreenshot") == "true") {
+            extend(SingleScreenshot()) {
+                this.outputFile = System.getProperty("screenshotPath")
+            }
+        }
         extend {
             drawer.background(ColorRGBa.PINK)
             // -- by explicitly calling deliver we know that the drawing code in the listener will be

orx-timer/src/demo/kotlin/DemoTimeOut01.kt

@@ -1,8 +1,14 @@
 import org.openrndr.application
+import org.openrndr.extensions.SingleScreenshot
 import org.openrndr.extra.timer.timeOut
 
 fun main() = application {
     program {
+        if (System.getProperty("takeScreenshot") == "true") {
+            extend(SingleScreenshot()) {
+                this.outputFile = System.getProperty("screenshotPath")
+            }
+        }
         timeOut(2.0) {
             println("hello there $seconds" )
         }