JavaFX ColorAdjust效果

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📜 JavaFX ColorAdjust效果

📅 最后修改于: 2020-10-14 01:25:45 🧑 作者: Mango

JavaFX ColorAdjust效果

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。

物产

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)

建设者

该类包含下面给出的两个构造函数。

public ColorAdjust()：使用默认参数创建ColorAdjust的新实例。
public ColorAdjust(双色调，双饱和度，双亮度，双对比度)：使用指定的参数创建ColorAdjust的新实例。

例：

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);
}
}