new example: UtilityMethods, #288

src/main/java/com/krab/lazy/examples/UtilityMethods/UtilityMethods.pde

@@ -0,0 +1,89 @@
+import com.krab.lazy.*;
+
+LazyGui gui;
+
+void setup() {
+  size(800, 800, P2D);
+  gui = new LazyGui(this);
+}
+
+void draw() {
+  background(gui.colorPicker("background", color(36)).hex);
+  translate(width/2, height/2);
+
+  gui.pushFolder("rect");
+  pushMatrix();
+  transform();
+  PVector size = gui.plotXY("size", 300, 100);
+  style();
+  rect(0, 0, size.x, size.y);
+  popMatrix();
+  gui.popFolder();
+
+  gui.pushFolder("text");
+  pushMatrix();
+  transform();
+  font();
+  text(gui.text("text", "hello"), 0, 0);
+  popMatrix();
+  gui.popFolder();
+}
+
+void transform() {
+  PVector pos = gui.plotXY("pos");
+  translate(pos.x, pos.y);
+  rotate(gui.slider("rotate"));
+}
+
+void style() {
+  gui.pushFolder("style");
+  strokeWeight(gui.slider("weight", 4));
+  stroke(gui.colorPicker("stroke", color(0)).hex);
+  fill(gui.colorPicker("fill", color(200)).hex);
+  String rectMode = gui.radio("rect mode", new String[]{"center", "corner"});
+  if("center".equals(rectMode)){
+    rectMode(CENTER);
+  }else{
+    rectMode(CORNER);
+  }
+  gui.popFolder();
+}
+
+// font() related fields
+HashMap<String, PFont> fontCache = new HashMap<String, PFont>();
+HashMap<String, Integer> xAligns;
+HashMap<String, Integer> yAligns;
+
+void font() {
+  gui.pushFolder("font");
+  fill(gui.colorPicker("fill", color(0)).hex);
+  int size = gui.sliderInt("size", 64);
+  if (xAligns == null || yAligns == null) {
+    xAligns = new HashMap<String, Integer>();
+    xAligns.put("left", LEFT);
+    xAligns.put("center", CENTER);
+    xAligns.put("right", RIGHT);
+    yAligns = new HashMap<String, Integer>();
+    yAligns.put("top", TOP);
+    yAligns.put("center", CENTER);
+    yAligns.put("bottom", BOTTOM);
+  }
+  String xAlignSelection = gui.radio("align x", xAligns.keySet().toArray(new String[0]), "center");
+  String yAlignSelection = gui.radio("align y", yAligns.keySet().toArray(new String[0]), "center");
+  textAlign(xAligns.get(xAlignSelection), yAligns.get(yAlignSelection));
+  String fontName = gui.text("font name", "Arial");
+  if (gui.button("list fonts")) {
+    String[] fonts = PFont.list();
+    for (String font : fonts) {
+      println(font);
+    }
+  }
+  String fontKey = fontName + " | " + size;
+  if (!fontCache.containsKey(fontKey)) {
+    PFont loadedFont = createFont(fontName, size);
+    fontCache.put(fontKey, loadedFont);
+  }
+  PFont cachedFont = fontCache.get(fontKey);
+  textFont(cachedFont);
+  gui.popFolder();
+}