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Java Uses of Interface java.awt.image.ImageObserver（JDK8）

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Java™ Platform
Standard Ed. 8
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Uses of Interface
java.awt.image.ImageObserver

  • Packages that use ImageObserver 
    Package Description
    java.applet
    Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
    java.awt
    Contains all of the classes for creating user interfaces and for painting graphics and images.
    java.awt.image
    Provides classes for creating and modifying images.
    javax.swing
    Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
    javax.swing.colorchooser
    Contains classes and interfaces used by the JColorChooser component.
    javax.swing.plaf.basic
    Provides user interface objects built according to the Basic look and feel.
    javax.swing.plaf.metal
    Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.
    javax.swing.table
    Provides classes and interfaces for dealing with javax.swing.JTable.
    javax.swing.text
    Provides classes and interfaces that deal with editable and noneditable text components.
    javax.swing.tree
    Provides classes and interfaces for dealing with javax.swing.JTree.

    • Uses of ImageObserver in java.applet

      Classes in java.applet that implement ImageObserver 
      Modifier and Type Class and Description
      class  Applet
      An applet is a small program that is intended not to be run on its own, but rather to be embedded inside another application.

    • Uses of ImageObserver in java.awt

      Classes in java.awt that implement ImageObserver 
      Modifier and Type Class and Description
      class  Button
      This class creates a labeled button.
      class  Canvas
      A Canvas component represents a blank rectangular area of the screen onto which the application can draw or from which the application can trap input events from the user.
      class  Checkbox
      A check box is a graphical component that can be in either an "on" (true) or "off" (false) state.
      class  Choice
      The Choice class presents a pop-up menu of choices.
      class  Component
      A component is an object having a graphical representation that can be displayed on the screen and that can interact with the user.
      class  Container
      A generic Abstract Window Toolkit(AWT) container object is a component that can contain other AWT components.
      class  Dialog
      A Dialog is a top-level window with a title and a border that is typically used to take some form of input from the user.
      class  FileDialog
      The FileDialog class displays a dialog window from which the user can select a file.
      class  Frame
      A Frame is a top-level window with a title and a border.
      class  Label
      A Label object is a component for placing text in a container.
      class  List
      The List component presents the user with a scrolling list of text items.
      class  Panel
      Panel is the simplest container class.
      class  Scrollbar
      The Scrollbar class embodies a scroll bar, a familiar user-interface object.
      class  ScrollPane
      A container class which implements automatic horizontal and/or vertical scrolling for a single child component.
      class  TextArea
      A TextArea object is a multi-line region that displays text.
      class  TextComponent
      The TextComponent class is the superclass of any component that allows the editing of some text.
      class  TextField
      A TextField object is a text component that allows for the editing of a single line of text.
      class  Window
      A Window object is a top-level window with no borders and no menubar.
      Methods in java.awt with parameters of type ImageObserver 
      Modifier and Type Method and Description
      int Component.checkImage(Image image, ImageObserver observer)
      Returns the status of the construction of a screen representation of the specified image.
      abstract int Toolkit.checkImage(Image image, int width, int height, ImageObserver observer)
      Indicates the construction status of a specified image that is being prepared for display.
      int Component.checkImage(Image image, int width, int height, ImageObserver observer)
      Returns the status of the construction of a screen representation of the specified image.
      abstract boolean Graphics2D.drawImage(Image img, AffineTransform xform, ImageObserver obs)
      Renders an image, applying a transform from image space into user space before drawing.
      abstract boolean Graphics.drawImage(Image img, int x, int y, Color bgcolor, ImageObserver observer)
      Draws as much of the specified image as is currently available.
      abstract boolean Graphics.drawImage(Image img, int x, int y, ImageObserver observer)
      Draws as much of the specified image as is currently available.
      abstract boolean Graphics.drawImage(Image img, int x, int y, int width, int height, Color bgcolor, ImageObserver observer)
      Draws as much of the specified image as has already been scaled to fit inside the specified rectangle.
      abstract boolean Graphics.drawImage(Image img, int x, int y, int width, int height, ImageObserver observer)
      Draws as much of the specified image as has already been scaled to fit inside the specified rectangle.
      abstract boolean Graphics.drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bgcolor, ImageObserver observer)
      Draws as much of the specified area of the specified image as is currently available, scaling it on the fly to fit inside the specified area of the destination drawable surface.
      abstract boolean Graphics.drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer)
      Draws as much of the specified area of the specified image as is currently available, scaling it on the fly to fit inside the specified area of the destination drawable surface.
      abstract int Image.getHeight(ImageObserver observer)
      Determines the height of the image.
      abstract Object Image.getProperty(String name, ImageObserver observer)
      Gets a property of this image by name.
      abstract int Image.getWidth(ImageObserver observer)
      Determines the width of the image.
      boolean Component.prepareImage(Image image, ImageObserver observer)
      Prepares an image for rendering on this component.
      abstract boolean Toolkit.prepareImage(Image image, int width, int height, ImageObserver observer)
      Prepares an image for rendering.
      boolean Component.prepareImage(Image image, int width, int height, ImageObserver observer)
      Prepares an image for rendering on this component at the specified width and height.

    • Uses of ImageObserver in java.awt.image

      Methods in java.awt.image with parameters of type ImageObserver 
      Modifier and Type Method and Description
      int BufferedImage.getHeight(ImageObserver observer)
      Returns the height of the BufferedImage.
      Object BufferedImage.getProperty(String name, ImageObserver observer)
      Returns a property of the image by name.
      int BufferedImage.getWidth(ImageObserver observer)
      Returns the width of the BufferedImage.

    • Uses of ImageObserver in javax.swing

      Classes in javax.swing that implement ImageObserver 
      Modifier and Type Class and Description
      class  AbstractButton
      Defines common behaviors for buttons and menu items.
      class  Box
      A lightweight container that uses a BoxLayout object as its layout manager.
      static class  Box.Filler
      An implementation of a lightweight component that participates in layout but has no view.
      class  CellRendererPane
      This class is inserted in between cell renderers and the components that use them.
      class  DefaultListCellRenderer
      Renders an item in a list.
      static class  DefaultListCellRenderer.UIResource
      A subclass of DefaultListCellRenderer that implements UIResource.
      class  JApplet
      An extended version of java.applet.Applet that adds support for the JFC/Swing component architecture.
      class  JButton
      An implementation of a "push" button.
      class  JCheckBox
      An implementation of a check box -- an item that can be selected or deselected, and which displays its state to the user.
      class  JCheckBoxMenuItem
      A menu item that can be selected or deselected.
      class  JColorChooser
      JColorChooser provides a pane of controls designed to allow a user to manipulate and select a color.
      class  JComboBox<E>
      A component that combines a button or editable field and a drop-down list.
      class  JComponent
      The base class for all Swing components except top-level containers.
      class  JDesktopPane
      A container used to create a multiple-document interface or a virtual desktop.
      class  JDialog
      The main class for creating a dialog window.
      class  JEditorPane
      A text component to edit various kinds of content.
      class  JFileChooser
      JFileChooser provides a simple mechanism for the user to choose a file.
      class  JFormattedTextField
      JFormattedTextField extends JTextField adding support for formatting arbitrary values, as well as retrieving a particular object once the user has edited the text.
      class  JFrame
      An extended version of java.awt.Frame that adds support for the JFC/Swing component architecture.
      class  JInternalFrame
      A lightweight object that provides many of the features of a native frame, including dragging, closing, becoming an icon, resizing, title display, and support for a menu bar.
      static class  JInternalFrame.JDesktopIcon
      This component represents an iconified version of a JInternalFrame.
      class  JLabel
      A display area for a short text string or an image, or both.
      class  JLayer<V extends Component>
      JLayer is a universal decorator for Swing components which enables you to implement various advanced painting effects as well as receive notifications of all AWTEvents generated within its borders.
      class  JLayeredPane
      JLayeredPane adds depth to a JFC/Swing container, allowing components to overlap each other when needed.
      class  JList<E>
      A component that displays a list of objects and allows the user to select one or more items.
      class  JMenu
      An implementation of a menu -- a popup window containing JMenuItems that is displayed when the user selects an item on the JMenuBar.
      class  JMenuBar
      An implementation of a menu bar.
      class  JMenuItem
      An implementation of an item in a menu.
      class  JOptionPane
      JOptionPane makes it easy to pop up a standard dialog box that prompts users for a value or informs them of something.
      class  JPanel
      JPanel is a generic lightweight container.
      class  JPasswordField
      JPasswordField is a lightweight component that allows the editing of a single line of text where the view indicates something was typed, but does not show the original characters.
      class  JPopupMenu
      An implementation of a popup menu -- a small window that pops up and displays a series of choices.
      static class  JPopupMenu.Separator
      A popup menu-specific separator.
      class  JProgressBar
      A component that visually displays the progress of some task.
      class  JRadioButton
      An implementation of a radio button -- an item that can be selected or deselected, and which displays its state to the user.
      class  JRadioButtonMenuItem
      An implementation of a radio button menu item.
      class  JRootPane
      A lightweight container used behind the scenes by JFrame, JDialog, JWindow, JApplet, and JInternalFrame.
      class  JScrollBar
      An implementation of a scrollbar.
      class  JScrollPane
      Provides a scrollable view of a lightweight component.
      protected class  JScrollPane.ScrollBar
      By default JScrollPane creates scrollbars that are instances of this class.
      class  JSeparator
      JSeparator provides a general purpose component for implementing divider lines - most commonly used as a divider between menu items that breaks them up into logical groupings.
      class  JSlider
      A component that lets the user graphically select a value by sliding a knob within a bounded interval.
      class  JSpinner
      A single line input field that lets the user select a number or an object value from an ordered sequence.
      static class  JSpinner.DateEditor
      An editor for a JSpinner whose model is a SpinnerDateModel.
      static class  JSpinner.DefaultEditor
      A simple base class for more specialized editors that displays a read-only view of the model's current value with a JFormattedTextField.
      static class  JSpinner.ListEditor
      An editor for a JSpinner whose model is a SpinnerListModel.
      static class  JSpinner.NumberEditor
      An editor for a JSpinner whose model is a SpinnerNumberModel.
      class  JSplitPane
      JSplitPane is used to divide two (and only two) Components.
      class  JTabbedPane
      A component that lets the user switch between a group of components by clicking on a tab with a given title and/or icon.
      class  JTable
      The JTable is used to display and edit regular two-dimensional tables of cells.
      class  JTextArea
      A JTextArea is a multi-line area that displays plain text.
      class  JTextField
      JTextField is a lightweight component that allows the editing of a single line of text.
      class  JTextPane
      A text component that can be marked up with attributes that are represented graphically.
      class  JToggleButton
      An implementation of a two-state button.
      class  JToolBar
      JToolBar provides a component that is useful for displaying commonly used Actions or controls.
      static class  JToolBar.Separator
      A toolbar-specific separator.
      class  JToolTip
      Used to display a "Tip" for a Component.
      class  JTree
      A control that displays a set of hierarchical data as an outline.
      class  JViewport
      The "viewport" or "porthole" through which you see the underlying information.
      class  JWindow
      A JWindow is a container that can be displayed anywhere on the user's desktop.
      Methods in javax.swing that return ImageObserver 
      Modifier and Type Method and Description
      ImageObserver ImageIcon.getImageObserver()
      Returns the image observer for the image.
      Methods in javax.swing with parameters of type ImageObserver 
      Modifier and Type Method and Description
      boolean DebugGraphics.drawImage(Image img, int x, int y, Color bgcolor, ImageObserver observer)
      Overrides Graphics.drawImage.
      boolean DebugGraphics.drawImage(Image img, int x, int y, ImageObserver observer)
      Overrides Graphics.drawImage.
      boolean DebugGraphics.drawImage(Image img, int x, int y, int width, int height, Color bgcolor, ImageObserver observer)
      Overrides Graphics.drawImage.
      boolean DebugGraphics.drawImage(Image img, int x, int y, int width, int height, ImageObserver observer)
      Overrides Graphics.drawImage.
      boolean DebugGraphics.drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bgcolor, ImageObserver observer)
      Overrides Graphics.drawImage.
      boolean DebugGraphics.drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer)
      Overrides Graphics.drawImage.
      void ImageIcon.setImageObserver(ImageObserver observer)
      Sets the image observer for the image.

    • Uses of ImageObserver in javax.swing.colorchooser

      Classes in javax.swing.colorchooser that implement ImageObserver 
      Modifier and Type Class and Description
      class  AbstractColorChooserPanel
      This is the abstract superclass for color choosers.

    • Uses of ImageObserver in javax.swing.plaf.basic

      Classes in javax.swing.plaf.basic that implement ImageObserver 
      Modifier and Type Class and Description
      class  BasicArrowButton
      JButton object that draws a scaled Arrow in one of the cardinal directions.
      class  BasicComboBoxRenderer
      ComboBox renderer
      static class  BasicComboBoxRenderer.UIResource
      A subclass of BasicComboBoxRenderer that implements UIResource.
      class  BasicComboPopup
      This is a basic implementation of the ComboPopup interface.
      class  BasicInternalFrameTitlePane
      The class that manages a basic title bar
      class  BasicInternalFrameTitlePane.SystemMenuBar
      This class should be treated as a "protected" inner class.
      class  BasicSplitPaneDivider
      Divider used by BasicSplitPaneUI.
      protected class  BasicToolBarUI.DragWindow 

    • Uses of ImageObserver in javax.swing.plaf.metal

      Classes in javax.swing.plaf.metal that implement ImageObserver 
      Modifier and Type Class and Description
      class  MetalComboBoxButton
      JButton subclass to help out MetalComboBoxUI
      class  MetalComboBoxUI.MetalComboPopup
      Deprecated. 
      As of Java 2 platform v1.4.
      protected class  MetalFileChooserUI.FileRenderer 
      class  MetalFileChooserUI.FilterComboBoxRenderer
      Render different type sizes and styles.
      class  MetalInternalFrameTitlePane
      Class that manages a JLF title bar
      class  MetalScrollButton
      JButton object for Metal scrollbar arrows.

    • Uses of ImageObserver in javax.swing.table

      Classes in javax.swing.table that implement ImageObserver 
      Modifier and Type Class and Description
      class  DefaultTableCellRenderer
      The standard class for rendering (displaying) individual cells in a JTable.
      static class  DefaultTableCellRenderer.UIResource
      A subclass of DefaultTableCellRenderer that implements UIResource.
      class  JTableHeader
      This is the object which manages the header of the JTable.

    • Uses of ImageObserver in javax.swing.text

      Classes in javax.swing.text that implement ImageObserver 
      Modifier and Type Class and Description
      class  JTextComponent
      JTextComponent is the base class for swing text components.

    • Uses of ImageObserver in javax.swing.tree

      Classes in javax.swing.tree that implement ImageObserver 
      Modifier and Type Class and Description
      class  DefaultTreeCellEditor.DefaultTextField
      TextField used when no editor is supplied.
      class  DefaultTreeCellEditor.EditorContainer
      Container responsible for placing the editingComponent.
      class  DefaultTreeCellRenderer
      Displays an entry in a tree.
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