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Java Articles
Page 325 of 450
How to adjust the line spacing in the text node in JavaFX?
The line spacing property of the javafx.scene.text.The text class specifies the line spacing between the lines of the text (node) vertically.You can set the value to this property using the setLineSpacing() method. This method accepts a boolean value as a parameter and sets the specified space between the lines (vertically).Exampleimport java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.InputStream; import java.util.Scanner; import javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.paint.Color; import javafx.stage.Stage; import javafx.scene.text.Text; import javafx.scene.text.TextAlignment; public class TextSpacing extends Application { public void start(Stage stage) throws FileNotFoundException { //Reading the contents of a text file. InputStream inputStream ...
Read MoreHow to adjust the alignments of the text in JavaFX?
You can set a fixed width for the text in user space by setting the value to the wrappingWidth property. Once you do so, given width is considered as the boundary of the text in user coordinates and, the text is arranged width in the given width.If you haven’t given any value for this property, by default, the length longest line in the text is considered as the width of the bounding box.Text alignment is the arrangement of the text horizontally within the bounding box. You can adjust the alignment of the text using the setTextAlignment() method. This method accepts ...
Read MoreHow to wrap the text within the width of the window in JavaFX?
In JavaFX, the text node is represented by the Javafx.scene.text.Text class. To insert/display text in JavaFx window you need to −Instantiate the Text class.Set the basic properties like position and text string, using the setter methods or, bypassing them as arguments to the constructor.Add the created node to the Group object.If the length of the lines in the text you have passed, longer than the width of the window part of the text will be chopped as shown below −As a solution you can wrap the text within the width of the window by setting the value to the property wrapping ...
Read MoreHow to add stroke and color to text in JavaFX?
Since the javafx.scene.text.Text class in JavaFX inherits the Shape class it inherits all its members. You can modify the stroke and color of the text node by setting values to the stroke, stroke width and fill properties inherited by the Text class.Stroke Width − The stroke width property specifies/defines the width of the boundary line of a shape. You can set value to the width of the boundary using the setWidth() method of the Shape class.Fill − The fill property specifies/defines the color with which the interior area of the shape is to be filled. You can fill a particular ...
Read MoreExplain the stroke Dash Offset property of 2D shapes in JavaFX
If the stroke used is a dashing pattern. the strokeDashOffset property specifies the offset into the dashing pattern. i.e. the dash phase defines the point in the dashing pattern that will correspond to the beginning of the stroke.Exampleimport javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.paint.Color; import javafx.scene.shape.Line; import javafx.scene.shape.Polygon; import javafx.stage.Stage; public class StrokeDashOffset extends Application { public void start(Stage stage) { Line shape1 = new Line(25.0, 50.0, 565.0, 50.0); shape1.setStroke(Color.BROWN); shape1.setStrokeWidth(10); shape1.getStrokeDashArray().addAll(80.0, 70.0, 60.0, 50.0, 40.0); shape1.setStrokeDashOffset(5); Polygon shape2 = ...
Read MoreExplain the smooth property of 2D shapes in JavaFX
The smooth property specifies whether antialiasing hints are used or not. You can set the value to this property using the setSmooth() method of the javafx.scene.shape.Shape class.This method accepts a boolean value and if you pass true the edges of the shape will be smoothened.Exampleimport javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.paint.Color; import javafx.scene.shape.Polygon; import javafx.scene.shape.StrokeLineJoin; import javafx.scene.text.Font; import javafx.scene.text.FontPosture; import javafx.scene.text.FontWeight; import javafx.scene.text.Text; import javafx.stage.Stage; public class SmoothExample extends Application { public void start(Stage stage) { Font font = Font.font("verdana", FontWeight.BOLD, FontPosture.REGULAR, 12); Text label2 = new Text("Smooth: true"); ...
Read MoreExplain the Union operation on 2D shapes in JavaFX
This operation takes two or more shapes as inputs and returns the area occupied by them combined as shown below.The union() (static) method of the javafx.scene.shape.Shape class accepts two Shape objects and returns the result of the union operation of the given objects.Exampleimport javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.paint.Color; import javafx.stage.Stage; import javafx.scene.shape.Circle; import javafx.scene.shape.Shape; public class JavaFXUnionExample extends Application { public void start(Stage stage) { //Drawing circle1 Circle circle1 = new Circle(); circle1.setCenterX(230.0f); circle1.setCenterY(100.0f); circle1.setRadius(75.0f); circle1.setFill(Color.DARKRED); ...
Read MoreWhat are various path elements in JavaFX?
The javafx.scene.shape package provides classes using which you can draw various 2D shapes, but these are just primitive shapes like line, circle, polygon, and ellipse, etc… Therefore, if you want to draw complex custom shapes you need to use the Path class.The Path ClassThe Path class represents the geometrical outline of a shape using this class you can draw your custom path.To draw a custom path JavaFX provides various path elements and, all these are available as classes in the javafx.scene.shape package.LineTo − This is class represents the path element line. It helps you to draw a straight line from the ...
Read MoreHow to add a blur effect to a text node in JavaFX?
You can add an effect to any node object in JavaFX using the setEffect() method. This method accepts an object of the Effect class and adds it to the current node.javafx.scene.effect.GaussianBlur.GaussianBlur class represents a blur effect that internally uses Gaussian convolution kernel. Therefore, to add a blur effect to a text node −Instantiate the Text class bypassing basic the x, y coordinates (position) and text string as arguments to the constructor.Set desired properties like font, stoke, etc.Create a blur effect by instantiating the GaussianBlur class.Set the created effect to the text node using the setEffect() method.Finally, add the created text node to ...
Read MoreExplain the life cycle of a JavaFX Application
The JavaFX Application class has three life cycle methods, which are −start() − The entry point method where the JavaFX graphics code is to be written.stop() − An empty method which can be overridden, here you can write the logic to stop the application.init() − An empty method which can be overridden, but you cannot create a stage or scene in this method.In addition to these, it provides a static method named launch() to launch JavaFX application.Since the launch() method is static, you need to call it from a static context (main generally). Whenever a JavaFX application is launched, the ...
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