pixeldensity bug solved by adding new parameter fixed #27

Author: cansik

src/main/java/ch/bildspur/postfx/PostFXSupervisor.java

@@ -93,27 +93,39 @@ public int[] getResolution() {
      * Start a new multi-pass rendering with the screen framebuffer.
      */
     public void render() {
-        sketch.g.endDraw();
-        render(sketch.g);
-        sketch.g.beginDraw();
+        render(sketch.g, true);
     }
 
     /**
      * Start a new multi-pass rendering.
      *
      * @param graphics Texture used as input.
      */
-    @Override
     public void render(PImage graphics) {
+        render(graphics, false);
+    }
+
+    /**
+     * Start a new multi-pass rendering.
+     *
+     * @param graphics   Texture used as input.
+     * @param toggleDraw Toggles the draw state of the graphics object inside the draw toggle of the pass.
+     */
+    @Override
+    public void render(PImage graphics, boolean toggleDraw) {
         PGraphics pass = getNextPass();
         clearPass(pass);
 
         pass.beginDraw();
-        /*
-        pass.image(graphics, 0, 0, width, height,
-                0, (int) (height * -1f), width * graphics.pixelDensity, (int) (0.5f * height * graphics.pixelDensity));
-        */
+
+        if (toggleDraw)
+            ((PGraphics) graphics).endDraw();
+
         pass.image(graphics, 0, 0, width, height);
+
+        if (toggleDraw)
+            ((PGraphics) graphics).beginDraw();
+
         pass.endDraw();
 
         increasePass();

src/main/java/ch/bildspur/postfx/Supervisor.java

@@ -28,9 +28,10 @@ public interface Supervisor {
     /**
      * Start a new multi-pass rendering.
      *
-     * @param graphics Texture used as input.
+     * @param graphics   Texture used as input.
+     * @param toggleDraw Toggles the draw state of the graphics object inside the draw toggle of the pass.
      */
-    void render(PImage graphics);
+    void render(PImage graphics, boolean toggleDraw);
 
     /**
      * Apply pass to texture.

src/test/java/ch/bildspur/postfx/SimpleSketch.java

@@ -27,7 +27,7 @@ public static void main(String... args) {
 
     public void settings() {
         size(720, 720, P3D);
-        pixelDensity(1);
+        pixelDensity(2);
     }
 
     public void setup() {
@@ -75,7 +75,9 @@ void renderExample(PGraphics graphics) {
         // clear screen
         graphics.background(0);
 
-        graphics.fill(255);
+
+        graphics.noFill();
+        graphics.stroke(255);
         graphics.ellipse(width / 2, height / 2, width * 0.75f, height * 0.75f);
 
         // render simple cube