Found 9301 Articles for Object Oriented Programming

How to change the aspect ratio of an image in JavaFX?

Maruthi Krishna
Updated on 16-May-2020 07:10:16

2K+ Views

The javafx.scene.image.Image class is used to load an image into a JavaFX application. This supports BMP, GIF, JPEG, and, PNG formats.JavaFX provides a class named javafx.scene.image.ImageView is a node that is used to display, the loaded image.The preserveRatio property of the ImageView class (boolean) specifies whether the aspect ratio of an image should be preserved, while displaying it using the current ImageView object. You can set the value to this property using the setPreserveRatio() method.By default, the value of this property is true, i.e. though you change the width or height of the image, the aspect ratio of the displayed ... Read More

How to Invert the color of an image using JavaFX?

Maruthi Krishna
Updated on 16-May-2020 07:05:07

686 Views

JavaFX provides two interface namely PixelReader and PixelWriter in the javafx.scene.image. Using the methods provided by them you can read and write the contents of an image such as pixels, color values, etc.You can get the objects of these interfaces using the getPixelReader() and getPixelWriter() methods respectively.To invert an image −Create an InputStream object by passing the URL(String) of the required image.Instantiate the Image class bypassing the above-created input stream object as a parameter.Get the PixelReader and PixelWriter objects of the loaded image using the respective methods.Read each color value of the image using the getColor() method of the ImageReader ... Read More

How to view multiple images in JavaFX?

Maruthi Krishna
Updated on 16-May-2020 07:02:32

1K+ Views

The javafx.scene.image.Image class is used to load an image into a JavaFX application. This supports BMP, GIF, JPEG, and, PNG formats.JavaFX provides a class named javafx.scene.image.ImageView is a node that is used to display, the loaded image.The fitHeight property of the image view node represents the height of the bounding box within which you need to have displayed the image. You can set the value to this property using the setFitHeight() method.The fitWidth property of the image view node represents the width of the bounding box within which you need to have displayed the image. You can set the value ... Read More

How to display an image in JavaFX?

Maruthi Krishna
Updated on 16-May-2020 06:59:32

14K+ Views

The javafx.scene.image.Image class is used to load an image into a JavaFX application. This supports BMP, GIF, JPEG, and, PNG formats.JavaFX provides a class named javafx.scene.image.ImageView is a node that is used to display, the loaded image.To display an image in JavaFX −Create a FileInputStream representing the image you want to load.Instantiate the Image class bypassing the input stream object created above, as a parameter to its constructor.Instantiate the ImageView class.Set the image to it by passing above the image object as a parameter to the setImage() method.Set the required properties of the image view using the respective setter methods.Add the ... Read More

How to apply radial gradient (color) to a node in JavaFX?

Maruthi Krishna
Updated on 16-May-2020 06:57:03

458 Views

You can apply colors to shapes in JavaFX using the setFill() method it adds color to the interior of the geometrical shapes or background.This method accepts an object of the javafx.scene.paint.Paint class as a parameter. It is the base class for the color and gradients that are used to fill the shapes and backgrounds with color.The javafx.scene.paint.RadialGradient class in JavaFX is a subclass of the Paint and using this you can fill a shape with a circular color gradient pattern.To apply a radial gradient pattern to a geometrical shape −Instantiate the RadialGradient class by passing the required parameters.Set the created ... Read More

How to apply linear gradient (color) to a node in JavaFX?

Maruthi Krishna
Updated on 16-May-2020 06:54:52

830 Views

You can apply colors to shapes in JavaFX using the setFill() method it adds color to the interior of the geometrical shapes or background.This method accepts an object of the javafx.scene.paint.Paint class as a parameter. It is the base class for the color and gradients that are used to fill the shapes and backgrounds with color.The javafx.scene.paint.LinearGradient class in JavaFX is a subclass of the Paint and using this you can fill a shape with a circular linear-gradient pattern.To apply a radial gradient pattern to a geometrical shape −Instantiate the LinearGradient class by passing the required parameters.Set the created gradient ... Read More

How to add image patterns to nodes in JavaFX?

Maruthi Krishna
Updated on 16-May-2020 06:52:14

887 Views

You can apply colors to geometrical shapes in JavaFX using the setFill() and setStroke() methods. The setFill() method adds color to the interior area of the shape whereas the setStroke() method applies color to the boundary of the node.Both methods accept an object of the javafx.scene.paint.Paint class as a parameter. It is the base class for the color and gradients that are used to fill the shapes and backgrounds with color.The javafx.scene.paint.ImagePattern class in JavaFX is a subclass of the Paint and using this you can fill a shape with an image.To apply image pattern to a geometrical shape −Create an ... Read More

How to add colors to nodes in JavaFX?

Maruthi Krishna
Updated on 16-May-2020 06:49:55

2K+ Views

You can apply colors to nodes in JavaFX using the setFill() and setStroke() methods. The setFill() method adds color to the surface area of the node whereas the setStroke() method applies color to the boundary of the node.Both methods accept an object of the javafx.scene.paint.Paint class as a parameter. It is the base class for the color and gradients that are used to fill the shapes and backgrounds with color.The javafx.scene.paint.Color class in JavaFX is a subclass of the Paint and it encapsulates all the colors in RGB color space (as its properties).To apply color to a geometrical shape or ... Read More

Explain the material face property of 3D shapes in JavaFX

Maruthi Krishna
Updated on 16-May-2020 06:47:42

333 Views

This material property specifies the type of material the 3D object should be covered with. You can set the value to this property using the setMaterial() method.you need to pass an object of the type Material. The PhongMaterial class of the package javafx.scene.paint is a sub class of this class and provides 7 properties that represent a phong shaded material. You can apply all these types of materials to the surface of a 3D shape using the setter methods of these properties. Following are the type of materials that are available in JavaFX −bumpMap − This represents a normal map ... Read More

Explain the drawing mode face property of 3D shapes in JavaFX

Maruthi Krishna
Updated on 16-May-2020 06:44:31

162 Views

This drawing mode property defines/specifies the mode used to draw the 3D shape. You can set the value to the draw mode property of a 3d object using the setDrawMode() method (Shape class).JavaFX supports two kinds of draw modes represented by constants of the Enum named DrawMode − FILL and LINE.Exampleimport javafx.application.Application; import javafx.scene.Group; import javafx.scene.PerspectiveCamera; import javafx.scene.Scene; import javafx.scene.paint.Color; import javafx.stage.Stage; import javafx.scene.shape.DrawMode; import javafx.scene.shape.Sphere; import javafx.scene.text.Font; import javafx.scene.text.FontPosture; import javafx.scene.text.FontWeight; import javafx.scene.text.Text; public class DrawModeProperty extends Application {    public void start(Stage stage) {       //Drawing a Sphere       Sphere sphere1 = new Sphere(100); ... Read More

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