How to use

popMatrix

method

in

processing.core.PApplet

public void popMatrix() {
 intf.app.popMatrix();
}

applet.rotate(HALF_PI);
applet.text(Integer.toString((int) pValue), 0, 0 + labelSize / 2 - 2);
applet.popMatrix();
applet.rotate(HALF_PI);
applet.text(String.format(lFormat, (int) vMax), 0, 0);
applet.popMatrix();
applet.pushMatrix();
applet.textAlign(PConstants.LEFT);
applet.rotate(HALF_PI);
applet.text(String.format(lFormat, (int) vMin), 0, 0);
applet.popMatrix();

@Override
void displayText() {
  String lFormat = "%d";
  if (displayLabel) {
    applet.fill(labelColor);
    applet.textSize(labelSize);
    applet.textAlign(PConstants.CENTER);
    applet.pushMatrix();
    applet.translate(pX + pH / 2, pY + pW / 2);
    applet.rotate(HALF_PI);
    applet.text(Integer.toString((int) pValue), 0, 0 + labelSize / 2 - 2);
    applet.popMatrix();
  }
  if (displayValue) {
    applet.textSize(numberSize);
    applet.fill(numbersColor);
    applet.pushMatrix();
    applet.textAlign(PConstants.RIGHT);
    applet.translate(pX - numberSize / 2, pY);
    applet.rotate(HALF_PI);
    applet.text(String.format(lFormat, (int) vMax), 0, 0);
    applet.popMatrix();
    applet.pushMatrix();
    applet.textAlign(PConstants.LEFT);
    applet.translate(pX - numberSize / 2, pY + pW);
    applet.rotate(HALF_PI);
    applet.text(String.format(lFormat, (int) vMin), 0, 0);
    applet.popMatrix();
  }
}

applet.rotate(HALF_PI);
applet.text(Integer.toString((int) pValue), 0, 0 + labelSize / 2 - 2);
applet.popMatrix();
applet.rotate(HALF_PI);
applet.text(String.format(lFormat, (int) vMax), 0, 0);
applet.popMatrix();
applet.pushMatrix();
applet.textAlign(PConstants.LEFT);
applet.rotate(HALF_PI);
applet.text(String.format(lFormat, (int) vMin), 0, 0);
applet.popMatrix();

final protected void drawChildren() {
 for (Widget child: children) {
  if (child.clipBounds) child.setClip();
  
  intf.app.pushMatrix();
  child.setOrigin();
  
  boolean canDraw = child.visible() && child.canDraw();
  if (canDraw) {
   intf.addDrawn(child);
   child.draw();
  }      
  
  // Even tough the parent is not visible, the children could be
  // outside of it and so still be visible.
  child.drawChildren();
  
  if (canDraw) {
   // So the parent can draw on top of children if needed.
   child.postDraw();
  }
  intf.app.popMatrix();
     if (child.clipBounds) child.unsetClip();
 }    
}