用Java编程语言绘制一个爱心形状?
时间: 2024-10-17 18:11:57 浏览: 0
在Java中,我们可以使用Swing库或者JavaFX图形API来绘制爱心形状。这里我将提供一个简单的例子,展示如何使用JavaFX的Path类来绘制一个基本的心形:
```java
import javafx.scene.canvas.Canvas;
import javafx.scene.paint.Color;
import javafx.scene.shape.Path;
import javafx.scene.shape.StrokeType;
import javafx.scene.transform.Rotate;
public class HeartShapeExample {
public static void main(String[] args) {
Canvas canvas = new Canvas(400, 400);
canvas.setTranslateX(canvas.getWidth() / 2);
canvas.setTranslateY(canvas.getHeight() / 2);
Path heartPath = new Path();
heartPath.setFill(Color.RED);
heartPath.setStroke(Color.BLACK);
heartPath.setStrokeWidth(2);
double[][] points = {
{50, -75}, {-50, -75},
{-50, 75}, {50, 75},
{50, 125}, {0, 180},
{-50, 125}
};
for (double[] point : points) {
heartPath.lineTo(point[0], point[1]);
}
Rotate rotate = new Rotate(180, 0, 0);
heartPath.applyTransform(rotate);
heartPath.closePath();
canvas.getGraphicsContext2D().fill(heartPath);
canvas.getGraphicsContext2D().stroke(heartPath);
Scene scene = new Scene(canvas, 400, 400);
primaryStage.setScene(scene);
primaryStage.show();
}
}
```
这个程序创建了一个心形路径,并通过一系列坐标点连接起来形成形状。然后,它旋转了路径180度,使得爱心朝上显示。
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