private float randomFromTo(double from, double to) {
float random = Application.RANDOMGEN.nextFloat();
double difference = Math.abs(to - from);
random *= difference;
random += Math.min(from, to);
return random;
}
public Painting paint(double width, double height) {
Painting painting = new Painting(width, height);
int backgroundColor =
Color.HSBtoRGB(
Application.RANDOMGEN.nextFloat(), randomFromTo(90, 100), randomFromTo(75, 100));
painting.setCanvasColor(new Color(backgroundColor));
for (int i = 0; i < 10; ++i) {
// int fillColor = Color.HSBtoRGB(shapeHue(), randomFromTo(90, 100),
// randomFromTo(75, 100));
// int fillColor = r.nextInt(255);
painting.addPaintInstruction(
new ChangeColor(
new Color(
Application.RANDOMGEN.nextInt(255),
Application.RANDOMGEN.nextInt(255),
Application.RANDOMGEN.nextInt(255))));
float alpha = randomFromTo(90, 100) / 100;
painting.addPaintInstruction(new SetTransparency(alpha));
if (Application.RANDOMGEN.nextDouble() < 0.5) {
double x = randomFromTo(width / 8, ((width / 8) * 7));
double y = randomFromTo(height / 8, ((height / 8) * 7));
double w = randomFromTo(width / 6, width / 3);
double h = randomFromTo(height / 6, height / 3);
Ellipse2D ellipse = new Ellipse2D.Double(x, y, w, h);
painting.addPaintInstruction(new PaintShape(ellipse));
} else {
Polygon quadrilateral = new Polygon();
for (int j = 0; j < 4; ++j) {
quadrilateral.addPoint(
Application.RANDOMGEN.nextInt((int) width),
Application.RANDOMGEN.nextInt((int) height));
}
painting.addPaintInstruction(new PaintShape(quadrilateral));
}
}
return painting;
}
