【发布时间】:2014-11-07 09:32:02
【问题描述】:
我正在尝试在摇摆中创建漂亮的泡泡,但结果不是很好......我的意思是我想要更好更漂亮的东西!
这是我正在使用的代码:
import javax.swing.*;
import java.awt.*;
import java.awt.geom.Area;
import java.awt.geom.RoundRectangle2D;
public class BubbleTest {
public static void main(String[] args) {
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | javax.swing.UnsupportedLookAndFeelException e) {
e.printStackTrace();
}
LeftArrowBubble leftArrowBubble = new LeftArrowBubble();
JOptionPane.showMessageDialog(null, leftArrowBubble);
RightArrowBubble rightArrowBubble = new RightArrowBubble();
JOptionPane.showMessageDialog(null, rightArrowBubble);
}
private static class LeftArrowBubble extends JPanel {
private int strokeThickness = 5;
private int padding = strokeThickness / 2;
private int radius = 10;
private int arrowSize = 6;
@Override
protected void paintComponent(final Graphics g) {
final Graphics2D graphics2D = (Graphics2D) g;
RenderingHints qualityHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
qualityHints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
graphics2D.setRenderingHints(qualityHints);
graphics2D.setColor(new Color(80, 150, 180));
graphics2D.setStroke(new BasicStroke(strokeThickness));
int x = padding + strokeThickness + arrowSize;
int width = getWidth() - arrowSize - (strokeThickness * 2);
int height = getHeight() - strokeThickness;
graphics2D.fillRect(x, padding, width, height);
RoundRectangle2D.Double rect = new RoundRectangle2D.Double(x, padding, width, height, radius, radius);
Polygon arrow = new Polygon();
arrow.addPoint(14, 6);
arrow.addPoint(arrowSize + 2, 10);
arrow.addPoint(14, 12);
Area area = new Area(rect);
area.add(new Area(arrow));
graphics2D.draw(area);
graphics2D.dispose();
}
}
private static class RightArrowBubble extends JPanel {
private int strokeThickness = 5;
private int padding = strokeThickness / 2;
private int arrowSize = 6;
private int radius = 10;
@Override
protected void paintComponent(final Graphics g) {
final Graphics2D graphics2D = (Graphics2D) g;
RenderingHints qualityHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
qualityHints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
graphics2D.setRenderingHints(qualityHints);
graphics2D.setColor(new Color(20, 130, 230));
graphics2D.setStroke(new BasicStroke(strokeThickness));
int width = getWidth() - arrowSize - (strokeThickness * 2);
int height = getHeight() - strokeThickness;
graphics2D.fillRect(padding, padding, width, height);
RoundRectangle2D.Double rect = new RoundRectangle2D.Double(padding, padding, width, height, radius, radius);
Polygon arrow = new Polygon();
arrow.addPoint(width, 6);
arrow.addPoint(width + arrowSize, 10);
arrow.addPoint(width, 12);
Area area = new Area(rect);
area.add(new Area(arrow));
graphics2D.draw(area);
graphics2D.dispose();
}
}
}
有什么想法吗?
我想要 viber(android 版本 5.0.0)中的气泡之类的东西,但我不知道如何绘制这样的东西...... 谁能帮帮我?
谢谢!
【问题讨论】:
-
查看形状 API
-
使用 2 个椭圆,并将它们相交以创建圆角三角形。我认为圆角矩形很好。不要忘记设置框架来创建这个圆角三角形。
-
您展示的 viber 示例有一个浅色阴影。我想这最有助于让你认为它更漂亮。否则(除了更圆的角和弯曲的“出口”)您自己的解决方案已经非常接近了。
-
@afzalex 我想我可以用
GeneralPath画出来 -
那你的问题是什么。你想让你的程序做什么。是衰落的行为吗?
标签: java swing graphics drawing shapes