📅  最后修改于: 2020-10-14 01:25:45             🧑  作者: Mango
JavaFX允许我们通过调整图像色彩的色相,饱和度,亮度和对比度等属性来调整图像的色彩。类javafx.scene.effect.ColorAdjust包含各种属性和方法,可用于在节点上应用ColorAdjust效果。
下面描述了类javafx.scene.effect.ColorAdjust的属性及其设置方法。
Property | Description | Setter Methods |
---|---|---|
brightness | Adjustment made in brightness of the color. It is a double type property. | setBrightness(double value) |
contrast | Adjustment made in contrast of the color. It is of double type property. | setContrast(double value) |
hue | Adjustment made in hue of the color. It is of double type property. | setHue(double value) |
input | Input value for the effect. It is of double type property. | setInput(double value) |
saturation | Adjustment made in saturation of the color. It is of double type property. | setSaturation(double value) |
该类包含下面给出的两个构造函数。
在下面的示例中,ColorAdjust效果已应用于具有某些属性的图像。显示效果图像和原始图像之间的比较作为输出。
package application;
import javafx.application.Application;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.effect.ColorAdjust;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
public class ColorAdjustEffect extends Application{
@Override
public void start(Stage primaryStage) throws Exception {
// TODO Auto-generated method stub
Image img1 = new Image("https://www.javatpoint.com/linux/images/linux-first.png");
Image img2 = new Image("https://www.javatpoint.com/linux/images/linux-first.png");
ImageView imgview1 = new ImageView(img1);
ImageView imgview2 = new ImageView(img2);
Text text1 = new Text();
Text text2 = new Text();
text1.setText("ColorAdjust Effect Applied");
text2.setText("ColorAdjust Effect Not Applied");
text1.setX(50);
text1.setY(300);
text2.setX(355);
text2.setY(300);
text1.setFont(Font.font("Courier 10 Pitch",FontWeight.BOLD,FontPosture.REGULAR,16));
text2.setFont(Font.font("Courier 10 Pitch",FontWeight.BOLD,FontPosture.REGULAR,16));
text1.setFill(Color.RED);
text2.setFill(Color.RED);
text1.setStroke(Color.BLACK);
text2.setStroke(Color.BLACK);
text1.setStrokeWidth(0.2);
text2.setStrokeWidth(0.2);
imgview1.setX(100);
imgview1.setY(90);
imgview2.setX(400);
imgview2.setY(90);
ColorAdjust c = new ColorAdjust(); // creating the instance of the ColorAdjust effect.
c.setBrightness(0.2); // setting the brightness of the color.
c.setContrast(0.1); // setting the contrast of the color
c.setHue(0.3); // setting the hue of the color
c.setSaturation(0.45); // setting the hue of the color.
imgview1.setEffect(c); //applying effect on the image
Group root = new Group();
root.getChildren().addAll(imgview1,imgview2,text1,text2);
Scene scene = new Scene(root,700,400);
primaryStage.setScene(scene);
primaryStage.setTitle("ColorAdjust Effect Example");
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}