Gui: add .toObject() .fromObject() (#126)

Split .loadParameters() .saveParameters() in two This allows the user to read / write the gui state and serialize it externally.
2020-06-11 21:07:46 +02:00
parent 051db162e7
commit e6857acb8b
2 changed files with 128 additions and 45 deletions
--- a/orx-gui/src/demo/kotlin/DemoPresets01.kt
+++ b/orx-gui/src/demo/kotlin/DemoPresets01.kt
@@ -0,0 +1,72 @@
+import org.openrndr.application
+import org.openrndr.color.ColorRGBa
+import org.openrndr.color.mix
+import org.openrndr.extensions.SingleScreenshot
+import org.openrndr.extra.gui.GUI
+import org.openrndr.extra.parameters.*
+
+/**
+ * Shows how to store and retrieve in-memory gui presets.
+ * Keyboard controls:
+ * [Left Shift] + [0]..[9] => store current gui values to a preset
+ *                [0]..[9] => recall a preset
+ */
+fun main() = application {
+    program {
+        // -- this block is for automation purposes only
+        if (System.getProperty("takeScreenshot") == "true") {
+            extend(SingleScreenshot()) {
+                this.outputFile = System.getProperty("screenshotPath")
+            }
+        }
+
+        val gui = GUI()
+        gui.compartmentsCollapsedByDefault = false
+
+        val presets = MutableList(10) {
+            gui.toObject()
+        }
+
+        val settings = @Description("Settings") object {
+            @IntParameter("a", 1, 10)
+            var a = 7
+
+            @IntParameter("b", 1, 10)
+            var b = 3
+
+            @ColorParameter("foreground")
+            var foreground = ColorRGBa.fromHex("654062")
+
+            @ColorParameter("background")
+            var background = ColorRGBa.fromHex("ff9c71")
+        }
+        gui.add(settings)
+        extend(gui)
+        extend {
+            drawer.clear(settings.background)
+            drawer.stroke = settings.background
+            drawer.fill = settings.foreground
+            // Draw a pattern based on modulo
+            for(i in 0 until 100) {
+                if(i % settings.a == 0 || i % settings.b == 0) {
+                    val x = (i % 10) * 64.0
+                    val y = (i / 10) * 48.0
+                    drawer.rectangle(x, y, 64.0, 48.0)
+                }
+            }
+        }
+        keyboard.keyDown.listen {
+            when (it.name) {
+                in "0" .. "9" -> {
+                    if(keyboard.pressedKeys.contains("left-shift")) {
+                        // 1. Get the current gui state, store it in a list
+                        presets[it.name.toInt()] = gui.toObject()
+                    } else {
+                        // 2. Set the gui state
+                        gui.fromObject(presets[it.name.toInt()])
+                    }
+                }
+            }
+        }
+    }
+}