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Class java.awt.Toolkit

java.lang.Object
   |
   +----java.awt.Toolkit

public class Toolkit

extends Object

Toolkit()

checkImage(Image, int, int, ImageObserver)

Returns the status of the construction of the indicated method at the indicated width and height for the default screen.

createButton(Button)

Uses the specified Peer interface to create a new Button.

createCanvas(Canvas)

Uses the specified Peer interface to create a new Canvas.

createCheckbox(Checkbox)

Uses the specified Peer interface to create a new Checkbox.

createCheckboxMenuItem(CheckboxMenuItem)

Uses the specified Peer interface to create a new CheckboxMenuItem.

createChoice(Choice)

Uses the specified Peer interface to create a new Choice.

createDialog(Dialog)

Uses the specified Peer interface to create a new Dialog.

createFileDialog(FileDialog)

Uses the specified Peer interface to create a new FileDialog.

createFrame(Frame)

Uses the specified Peer interface to create a new Frame.

createImage(ImageProducer)

Creates an image with the specified image producer.

createLabel(Label)

Uses the specified Peer interface to create a new Label.

createList(List)

Uses the specified Peer interface to create a new List.

createMenu(Menu)

Uses the specified Peer interface to create a new Menu.

createMenuBar(MenuBar)

Uses the specified Peer interface to create a new MenuBar.

createMenuItem(MenuItem)

Uses the specified Peer interface to create a new MenuItem.

createPanel(Panel)

Uses the specified Peer interface to create a new Panel.

createScrollbar(Scrollbar)

Uses the specified Peer interface to create a new Scrollbar.

createTextArea(TextArea)

Uses the specified Peer interface to create a new TextArea.

createTextField(TextField)

Uses the specified Peer interface to create a new TextField.

createWindow(Window)

Uses the specified Peer interface to create a new Window.

getColorModel()

Returns the ColorModel of the screen.

getDefaultToolkit()

Returns the default toolkit.

getFontList()

Returns the names of the available fonts.

getFontMetrics(Font)

Returns the screen metrics of the font.

getImage(String)

Returns an image which gets pixel data from the specified file.

getImage(URL)

Returns an image which gets pixel data from the specified URL.

getScreenResolution()

Returns the screen resolution in dots-per-inch.

getScreenSize()

Gets the size of the screen.

prepareImage(Image, int, int, ImageObserver)

Prepares an image for rendering on the default screen at the specified width and height.

sync()

Syncs the graphics state, which is useful when doing animation.

  public Toolkit()

  protected abstract ButtonPeer createButton(Button target)

Uses the specified Peer interface to create a new Button.

Parameters:

target - the Button to be created

  protected abstract TextFieldPeer createTextField(TextField target)

Uses the specified Peer interface to create a new TextField.

Parameters:

target - the TextField to be created

  protected abstract LabelPeer createLabel(Label target)

Uses the specified Peer interface to create a new Label.

Parameters:

target - the Label to be created

  protected abstract ListPeer createList(List target)

Uses the specified Peer interface to create a new List.

Parameters:

target - the List to be created

  protected abstract CheckboxPeer createCheckbox(Checkbox target)

Uses the specified Peer interface to create a new Checkbox.

Parameters:

target - the Checkbox to be created

  protected abstract ScrollbarPeer createScrollbar(Scrollbar target)

Uses the specified Peer interface to create a new Scrollbar.

Parameters:

target - the Scrollbar to be created

  protected abstract TextAreaPeer createTextArea(TextArea target)

Uses the specified Peer interface to create a new TextArea.

Parameters:

target - the TextArea to be created

  protected abstract ChoicePeer createChoice(Choice target)

Uses the specified Peer interface to create a new Choice.

Parameters:

target - the Choice to be created

  protected abstract FramePeer createFrame(Frame target)

Uses the specified Peer interface to create a new Frame.

Parameters:

target - the Frame to be created

  protected abstract CanvasPeer createCanvas(Canvas target)

Uses the specified Peer interface to create a new Canvas.

Parameters:

target - the Canvas to be created

  protected abstract PanelPeer createPanel(Panel target)

Uses the specified Peer interface to create a new Panel.

Parameters:

target - the Panel to be created

  protected abstract WindowPeer createWindow(Window target)

Uses the specified Peer interface to create a new Window.

Parameters:

target - the Window to be created

  protected abstract DialogPeer createDialog(Dialog target)

Uses the specified Peer interface to create a new Dialog.

Parameters:

target - the Dialog to be created

  protected abstract MenuBarPeer createMenuBar(MenuBar target)

Uses the specified Peer interface to create a new MenuBar.

Parameters:

target - the MenuBar to be created

  protected abstract MenuPeer createMenu(Menu target)

Uses the specified Peer interface to create a new Menu.

Parameters:

target - the Menu to be created

  protected abstract MenuItemPeer createMenuItem(MenuItem target)

Uses the specified Peer interface to create a new MenuItem.

Parameters:

target - the MenuItem to be created

  protected abstract FileDialogPeer createFileDialog(FileDialog target)

Uses the specified Peer interface to create a new FileDialog.

Parameters:

target - the FileDialog to be created

  protected abstract CheckboxMenuItemPeer createCheckboxMenuItem(CheckboxMenuItem target)

Uses the specified Peer interface to create a new CheckboxMenuItem.

Parameters:

target - the CheckboxMenuItem to be created

  public abstract Dimension getScreenSize()

Gets the size of the screen.

  public abstract int getScreenResolution()

Returns the screen resolution in dots-per-inch.

  public abstract ColorModel getColorModel()

Returns the ColorModel of the screen.

  public abstract String[] getFontList()

Returns the names of the available fonts.

  public abstract FontMetrics getFontMetrics(Font font)

Returns the screen metrics of the font.

  public abstract void sync()

Syncs the graphics state, which is useful when doing animation.

  public static synchronized Toolkit getDefaultToolkit()

Returns the default toolkit. This is controlled by the "awt.toolkit" property.

Throws: AWTError

Toolkit not found or could not be instantiated.

  public abstract Image getImage(String filename)

Returns an image which gets pixel data from the specified file.

Parameters:

filename - the file containing the pixel data in one of the recognized file formats

  public abstract Image getImage(URL url)

Returns an image which gets pixel data from the specified URL.

Parameters:

url - the URL to use in fetching the pixel data

  public abstract boolean prepareImage(Image image,
                                       int width,
                                       int height,
                                       ImageObserver observer)

Prepares an image for rendering on the default screen at the specified width and height.

  public abstract int checkImage(Image image,
                                 int width,
                                 int height,
                                 ImageObserver observer)

Returns the status of the construction of the indicated method at the indicated width and height for the default screen.

  public abstract Image createImage(ImageProducer producer)

Creates an image with the specified image producer.

Parameters:

producer - the image producer to be used

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