How to use

set

method

in

com.badlogic.gdx.graphics.g2d.NinePatch

private void prepareVertices (Batch batch, float x, float y, float width, float height) {
  final float centerColumnX = x + leftWidth;
  final float rightColumnX = x + width - rightWidth;
  final float middleRowY = y + bottomHeight;
  final float topRowY = y + height - topHeight;
  final float c = tmpDrawColor.set(color).mul(batch.getColor()).toFloatBits();
  if (bottomLeft != -1) set(bottomLeft, x, y, centerColumnX - x, middleRowY - y, c);
  if (bottomCenter != -1) set(bottomCenter, centerColumnX, y, rightColumnX - centerColumnX, middleRowY - y, c);
  if (bottomRight != -1) set(bottomRight, rightColumnX, y, x + width - rightColumnX, middleRowY - y, c);
  if (middleLeft != -1) set(middleLeft, x, middleRowY, centerColumnX - x, topRowY - middleRowY, c);
  if (middleCenter != -1) set(middleCenter, centerColumnX, middleRowY, rightColumnX - centerColumnX, topRowY - middleRowY, c);
  if (middleRight != -1) set(middleRight, rightColumnX, middleRowY, x + width - rightColumnX, topRowY - middleRowY, c);
  if (topLeft != -1) set(topLeft, x, topRowY, centerColumnX - x, y + height - topRowY, c);
  if (topCenter != -1) set(topCenter, centerColumnX, topRowY, rightColumnX - centerColumnX, y + height - topRowY, c);
  if (topRight != -1) set(topRight, rightColumnX, topRowY, x + width - rightColumnX, y + height - topRowY, c);
}

private void prepareVertices (Batch batch, float x, float y, float width, float height) {
  final float centerColumnX = x + leftWidth;
  final float rightColumnX = x + width - rightWidth;
  final float middleRowY = y + bottomHeight;
  final float topRowY = y + height - topHeight;
  final float c = tmpDrawColor.set(color).mul(batch.getColor()).toFloatBits();
  if (bottomLeft != -1) set(bottomLeft, x, y, centerColumnX - x, middleRowY - y, c);
  if (bottomCenter != -1) set(bottomCenter, centerColumnX, y, rightColumnX - centerColumnX, middleRowY - y, c);
  if (bottomRight != -1) set(bottomRight, rightColumnX, y, x + width - rightColumnX, middleRowY - y, c);
  if (middleLeft != -1) set(middleLeft, x, middleRowY, centerColumnX - x, topRowY - middleRowY, c);
  if (middleCenter != -1) set(middleCenter, centerColumnX, middleRowY, rightColumnX - centerColumnX, topRowY - middleRowY, c);
  if (middleRight != -1) set(middleRight, rightColumnX, middleRowY, x + width - rightColumnX, topRowY - middleRowY, c);
  if (topLeft != -1) set(topLeft, x, topRowY, centerColumnX - x, y + height - topRowY, c);
  if (topCenter != -1) set(topCenter, centerColumnX, topRowY, rightColumnX - centerColumnX, y + height - topRowY, c);
  if (topRight != -1) set(topRight, rightColumnX, topRowY, x + width - rightColumnX, y + height - topRowY, c);
}

private void prepareVertices (Batch batch, float x, float y, float width, float height) {
  final float centerColumnX = x + leftWidth;
  final float rightColumnX = x + width - rightWidth;
  final float middleRowY = y + bottomHeight;
  final float topRowY = y + height - topHeight;
  final float c = tmpDrawColor.set(color).mul(batch.getColor()).toFloatBits();
  if (bottomLeft != -1) set(bottomLeft, x, y, centerColumnX - x, middleRowY - y, c);
  if (bottomCenter != -1) set(bottomCenter, centerColumnX, y, rightColumnX - centerColumnX, middleRowY - y, c);
  if (bottomRight != -1) set(bottomRight, rightColumnX, y, x + width - rightColumnX, middleRowY - y, c);
  if (middleLeft != -1) set(middleLeft, x, middleRowY, centerColumnX - x, topRowY - middleRowY, c);
  if (middleCenter != -1) set(middleCenter, centerColumnX, middleRowY, rightColumnX - centerColumnX, topRowY - middleRowY, c);
  if (middleRight != -1) set(middleRight, rightColumnX, middleRowY, x + width - rightColumnX, topRowY - middleRowY, c);
  if (topLeft != -1) set(topLeft, x, topRowY, centerColumnX - x, y + height - topRowY, c);
  if (topCenter != -1) set(topCenter, centerColumnX, topRowY, rightColumnX - centerColumnX, y + height - topRowY, c);
  if (topRight != -1) set(topRight, rightColumnX, topRowY, x + width - rightColumnX, y + height - topRowY, c);
}