Initial Commit

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Structure/CreateGraphics/CreateGraphics.pde

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+/**
+ * Create Graphics. 
+ * 
+ * The createGraphics() function creates an object from the PGraphics class 
+ * PGraphics is the main graphics and rendering context for Processing. 
+ * The beginDraw() method is necessary to prepare for drawing and endDraw() is
+ * necessary to finish. Use this class if you need to draw into an off-screen 
+ * graphics buffer or to maintain two contexts with different properties.
+ */
+
+PGraphics pg;
+
+void setup() {
+  size(640, 360);
+  pg = createGraphics(400, 200);
+}
+
+void draw() {
+  fill(0, 12);
+  rect(0, 0, width, height);
+  fill(255);
+  noStroke();
+  ellipse(mouseX, mouseY, 60, 60);
+  
+  pg.beginDraw();
+  pg.background(51);
+  pg.noFill();
+  pg.stroke(255);
+  pg.ellipse(mouseX-120, mouseY-60, 60, 60);
+  pg.endDraw();
+  
+  // Draw the offscreen buffer to the screen with image() 
+  image(pg, 120, 60); 
+}