http://www.eteks.com

com.eteks.awt
クラス PJAToolkit

java.lang.Object
  |
  +--java.awt.Toolkit
        |
        +--com.eteks.awt.PJAToolkit

public class PJAToolkit
extends java.awt.Toolkit

Pure Java AWT Toolkit implementation. This toolkit enables to draw in offscreen images with all the Graphics methods, even if no X11 or other device display is available. Its main purpose is for servlets returning graphics and runing on servers with no display. Java programs using AWT and compliant with any Java version, will work directly on this toolkit with the following modification.
To enable automatic switch to this toolkit, the system property awt.toolkit must be changed to this class name com.eteks.awt.PJAToolkit, using either ways :

If JDK version if greater or equal to 1.2 and no Display is available the two next properties must be also set, using one of the previous ways (see also PJAGraphicsEnvironment) :

Images can't be created using one of the three ways :

With JDK 1.1 or if Java2D can't work, fonts are loaded from files with the ".pjaf" (Pure Java AWT Font) extension, either in the current directory, or in the directory kept in the System property "java.awt.fonts". For example, if you want to set this directory to be your servlet directory, you may use :

  prop.put ("java.awt.fonts", getServletContext ().getRealPath ("/servlet"));
 

These optional fonts must be captured on a computer on which JDK AWT can work (a PC, Mac or UNIX/X11 machine with an available DISPLAY), with the PJA Font capture utility (main () method of the com.eteks.awt.PJAFontPeer class).
If no fonts are available, all Graphics drawing methods that don't use Font will work. Depending on the available fonts, default font name is set to the following one, in that priority order :

  1. SansSerif
  2. Helvetica
  3. First font in the file system order.

PJAToolkit allows to get a Graphics instance for an image initialized with a producer, contrary to Java default Toolkit behavior which throws an IllegalAccessError exception in that case. This allows to create transparent images from scratch and sending transparent GIF from servlets. To create an intially transparent image execute Toolkit.getDefaultToolkit ().createImage (new java.awt.image.MemoryImageSource (width, height, new int [width * height], 0, width));

See the source of the main () method of the class ToolkitDemo to have a test example of all the Java 1.1 Graphics methods. You may also try com.eteks.servlet.TeksSurveyPie servlet class.

From PJA version 1.1, the .pjaf font files loading methods and some other methods were moved to the class PJAGraphicsManager, to be able to use PJA even if no Toolkit instance is available.

PJAToolkit and depending files are Java 1.0 compliant but needs Java 1.2 library or higher to compile (for Java 1.1 compilers, this can be done using any Java 2 rt.jar library instead of classes.zip in classpath at compile time).

導入されたバージョン:
PJA1.0
バージョン:
2.2
作成者:
Emmanuel Puybaret
関連項目:
ToolkitDemo, PJAFontPeer, PJAGraphics, PJAGraphicsManager, PJAServlet

クラス java.awt.Toolkit から継承したフィールド
desktopProperties, desktopPropsSupport
 
コンストラクタの概要
PJAToolkit()
           
 
メソッドの概要
 void beep()
          java.awt.Toolkit implementation.
 int checkImage(java.awt.Image image, int width, int height, java.awt.image.ImageObserver observer)
          java.awt.Toolkit implementation.
 java.awt.peer.ButtonPeer createButton(java.awt.Button target)
          java.awt.Toolkit implementation.
 java.awt.peer.CanvasPeer createCanvas(java.awt.Canvas target)
          java.awt.Toolkit implementation.
 java.awt.peer.CheckboxPeer createCheckbox(java.awt.Checkbox target)
          java.awt.Toolkit implementation.
 java.awt.peer.CheckboxMenuItemPeer createCheckboxMenuItem(java.awt.CheckboxMenuItem target)
          java.awt.Toolkit implementation.
 java.awt.peer.ChoicePeer createChoice(java.awt.Choice target)
          java.awt.Toolkit implementation.
 java.awt.peer.LightweightPeer createComponent(java.awt.Component target)
          java.awt.Toolkit implementation.
 java.awt.peer.DialogPeer createDialog(java.awt.Dialog target)
          java.awt.Toolkit implementation.
 java.awt.dnd.peer.DragSourceContextPeer createDragSourceContextPeer(java.awt.dnd.DragGestureEvent dge)
          java.awt.Toolkit implementation.
 java.awt.peer.FileDialogPeer createFileDialog(java.awt.FileDialog target)
          java.awt.Toolkit implementation.
 java.awt.peer.FramePeer createFrame(java.awt.Frame target)
          java.awt.Toolkit implementation.
 java.awt.Image createImage(byte[] imagedata, int imageoffset, int imagelength)
          java.awt.Toolkit implementation.
 java.awt.Image createImage(java.awt.image.ImageProducer producer)
          java.awt.Toolkit implementation.
 java.awt.Image createImage(java.lang.String filename)
          java.awt.Toolkit implementation.
 java.awt.Image createImage(java.net.URL url)
          java.awt.Toolkit implementation.
 java.awt.peer.LabelPeer createLabel(java.awt.Label target)
          java.awt.Toolkit implementation.
 java.awt.peer.ListPeer createList(java.awt.List target)
          java.awt.Toolkit implementation.
 java.awt.peer.MenuPeer createMenu(java.awt.Menu target)
          java.awt.Toolkit implementation.
 java.awt.peer.MenuBarPeer createMenuBar(java.awt.MenuBar target)
          java.awt.Toolkit implementation.
 java.awt.peer.MenuItemPeer createMenuItem(java.awt.MenuItem target)
          java.awt.Toolkit implementation.
 java.awt.peer.PanelPeer createPanel(java.awt.Panel target)
          java.awt.Toolkit implementation.
 java.awt.peer.PopupMenuPeer createPopupMenu(java.awt.PopupMenu target)
          java.awt.Toolkit implementation.
 java.awt.peer.ScrollbarPeer createScrollbar(java.awt.Scrollbar target)
          java.awt.Toolkit implementation.
 java.awt.peer.ScrollPanePeer createScrollPane(java.awt.ScrollPane target)
          java.awt.Toolkit implementation.
 java.awt.peer.TextAreaPeer createTextArea(java.awt.TextArea target)
          java.awt.Toolkit implementation.
 java.awt.peer.TextFieldPeer createTextField(java.awt.TextField target)
          java.awt.Toolkit implementation.
 java.awt.peer.WindowPeer createWindow(java.awt.Window target)
          java.awt.Toolkit implementation.
 java.awt.image.ColorModel getColorModel()
          java.awt.Toolkit implementation.
static java.lang.String getDefaultFont()
          推奨されていません。 As of PJA version 1.1, replaced by PJAGraphicsManager.getDefaultFont ().
 java.lang.String[] getFontList()
          java.awt.Toolkit implementation.
 java.awt.FontMetrics getFontMetrics(java.awt.Font font)
          java.awt.Toolkit implementation.
 java.awt.peer.FontPeer getFontPeer(java.lang.String name, int style)
          Returns a FontPeer instance matching to font name with style.
static java.lang.String getFontsDirectory()
          推奨されていません。 As of PJA version 1.1, replaced by PJAGraphicsManager.getFontsDirectory ().
 java.awt.Image getImage(java.lang.String filename)
          java.awt.Toolkit implementation.
 java.awt.Image getImage(java.net.URL url)
          java.awt.Toolkit implementation.
 java.awt.PrintJob getPrintJob(java.awt.Frame frame, java.lang.String jobtitle, java.util.Properties props)
          java.awt.Toolkit implementation.
 int getScreenResolution()
          java.awt.Toolkit implementation.
 java.awt.Dimension getScreenSize()
          java.awt.Toolkit implementation.
 java.awt.datatransfer.Clipboard getSystemClipboard()
          java.awt.Toolkit implementation.
 java.awt.EventQueue getSystemEventQueueImpl()
          java.awt.Toolkit implementation.
static void loadFonts()
          推奨されていません。 As of PJA version 1.1, replaced by PJAGraphicsManager.loadFonts ().
static void loadFonts(java.lang.String dir)
          推奨されていません。 As of PJA version 1.1, replaced by PJAGraphicsManager.loadFonts (String).
 void loadSystemColors(int[] systemColors)
          java.awt.Toolkit implementation.
static void main(java.lang.String[] args)
          推奨されていません。 As of PJA version 1.1, replaced by PJANativeToolkitComparison.main (args).
 java.util.Map mapInputMethodHighlight(java.awt.im.InputMethodHighlight highlight)
          java.awt.Toolkit implementation.
 boolean prepareImage(java.awt.Image image, int width, int height, java.awt.image.ImageObserver observer)
          java.awt.Toolkit implementation.
 void sync()
          java.awt.Toolkit implementation.
 
クラス java.awt.Toolkit から継承したメソッド
addAWTEventListener, addPropertyChangeListener, createCustomCursor, createDragGestureRecognizer, createImage, getBestCursorSize, getDefaultToolkit, getDesktopProperty, getLockingKeyState, getMaximumCursorColors, getMenuShortcutKeyMask, getNativeContainer, getPrintJob, getProperty, getSystemEventQueue, initializeDesktopProperties, lazilyLoadDesktopProperty, removeAWTEventListener, removePropertyChangeListener, setDesktopProperty, setLockingKeyState
 
クラス java.lang.Object から継承したメソッド
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

コンストラクタの詳細

PJAToolkit

public PJAToolkit()
メソッドの詳細

createButton

public java.awt.peer.ButtonPeer createButton(java.awt.Button target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createButton
関連項目:
Toolkit

createTextField

public java.awt.peer.TextFieldPeer createTextField(java.awt.TextField target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createTextField
関連項目:
Toolkit

createLabel

public java.awt.peer.LabelPeer createLabel(java.awt.Label target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createLabel
関連項目:
Toolkit

createList

public java.awt.peer.ListPeer createList(java.awt.List target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createList
関連項目:
Toolkit

createCheckbox

public java.awt.peer.CheckboxPeer createCheckbox(java.awt.Checkbox target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createCheckbox
関連項目:
Toolkit

createScrollbar

public java.awt.peer.ScrollbarPeer createScrollbar(java.awt.Scrollbar target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createScrollbar
関連項目:
Toolkit

createScrollPane

public java.awt.peer.ScrollPanePeer createScrollPane(java.awt.ScrollPane target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createScrollPane
関連項目:
Toolkit

createTextArea

public java.awt.peer.TextAreaPeer createTextArea(java.awt.TextArea target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createTextArea
関連項目:
Toolkit

createChoice

public java.awt.peer.ChoicePeer createChoice(java.awt.Choice target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createChoice
関連項目:
Toolkit

createFrame

public java.awt.peer.FramePeer createFrame(java.awt.Frame target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createFrame
関連項目:
Toolkit

createCanvas

public java.awt.peer.CanvasPeer createCanvas(java.awt.Canvas target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createCanvas
関連項目:
Toolkit

createPanel

public java.awt.peer.PanelPeer createPanel(java.awt.Panel target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createPanel
関連項目:
Toolkit

createWindow

public java.awt.peer.WindowPeer createWindow(java.awt.Window target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createWindow
関連項目:
Toolkit

createDialog

public java.awt.peer.DialogPeer createDialog(java.awt.Dialog target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createDialog
関連項目:
Toolkit

createMenuBar

public java.awt.peer.MenuBarPeer createMenuBar(java.awt.MenuBar target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createMenuBar
関連項目:
Toolkit

createMenu

public java.awt.peer.MenuPeer createMenu(java.awt.Menu target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createMenu
関連項目:
Toolkit

createPopupMenu

public java.awt.peer.PopupMenuPeer createPopupMenu(java.awt.PopupMenu target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createPopupMenu
関連項目:
Toolkit

createMenuItem

public java.awt.peer.MenuItemPeer createMenuItem(java.awt.MenuItem target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createMenuItem
関連項目:
Toolkit

createFileDialog

public java.awt.peer.FileDialogPeer createFileDialog(java.awt.FileDialog target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createFileDialog
関連項目:
Toolkit

createCheckboxMenuItem

public java.awt.peer.CheckboxMenuItemPeer createCheckboxMenuItem(java.awt.CheckboxMenuItem target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createCheckboxMenuItem
関連項目:
Toolkit

createComponent

public java.awt.peer.LightweightPeer createComponent(java.awt.Component target)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createComponent
関連項目:
Toolkit

getFontPeer

public java.awt.peer.FontPeer getFontPeer(java.lang.String name,
                                          int style)
Returns a FontPeer instance matching to font name with style. If font directory changed, any font available in the new directory will be loaded first. This enables to share a JVM with different users and different font directories.
オーバーライド:
クラス java.awt.Toolkit 内の getFontPeer
パラメータ:
name - The font name.
style - The font style (Font.PLAIN, Font.ITALIC, Font.BOLD or Font.BOLD | Font.ITALIC)
戻り値:
null if the font doesn't exist.
関連項目:
loadFonts()

loadSystemColors

public void loadSystemColors(int[] systemColors)
java.awt.Toolkit implementation. Does nothing.
オーバーライド:
クラス java.awt.Toolkit 内の loadSystemColors
関連項目:
Toolkit

getScreenSize

public java.awt.Dimension getScreenSize()
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の getScreenSize
関連項目:
Toolkit

getScreenResolution

public int getScreenResolution()
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の getScreenResolution
関連項目:
Toolkit

getColorModel

public java.awt.image.ColorModel getColorModel()
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の getColorModel
関連項目:
Toolkit

getFontsDirectory

public static java.lang.String getFontsDirectory()
推奨されていません。 As of PJA version 1.1, replaced by PJAGraphicsManager.getFontsDirectory ().

Returns a font directory.

loadFonts

public static void loadFonts()
推奨されていません。 As of PJA version 1.1, replaced by PJAGraphicsManager.loadFonts ().

Loads all font files (with extension .pjaf) from the directory returned by getFontsDirectory ().

loadFonts

public static void loadFonts(java.lang.String dir)
推奨されていません。 As of PJA version 1.1, replaced by PJAGraphicsManager.loadFonts (String).

Loads all font files (with extension .pjaf) in the dir directory. May be called more than once.
パラメータ:
dir - Directory where the font files are seeked.

getFontList

public java.lang.String[] getFontList()
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の getFontList
関連項目:
Toolkit

getFontMetrics

public java.awt.FontMetrics getFontMetrics(java.awt.Font font)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の getFontMetrics
関連項目:
Toolkit

getDefaultFont

public static java.lang.String getDefaultFont()
推奨されていません。 As of PJA version 1.1, replaced by PJAGraphicsManager.getDefaultFont ().

Returns the default font name. You may override this method to have a different font.

sync

public void sync()
java.awt.Toolkit implementation. Does nothing.
オーバーライド:
クラス java.awt.Toolkit 内の sync
関連項目:
Toolkit

getImage

public java.awt.Image getImage(java.lang.String filename)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の getImage
関連項目:
Toolkit

getImage

public java.awt.Image getImage(java.net.URL url)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の getImage
関連項目:
Toolkit

createImage

public java.awt.Image createImage(java.lang.String filename)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createImage
関連項目:
Toolkit

createImage

public java.awt.Image createImage(java.net.URL url)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createImage
関連項目:
Toolkit

prepareImage

public boolean prepareImage(java.awt.Image image,
                            int width,
                            int height,
                            java.awt.image.ImageObserver observer)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の prepareImage
関連項目:
Toolkit

checkImage

public int checkImage(java.awt.Image image,
                      int width,
                      int height,
                      java.awt.image.ImageObserver observer)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の checkImage
関連項目:
Toolkit

createImage

public java.awt.Image createImage(java.awt.image.ImageProducer producer)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createImage
関連項目:
Toolkit

createImage

public java.awt.Image createImage(byte[] imagedata,
                                  int imageoffset,
                                  int imagelength)
java.awt.Toolkit implementation.
オーバーライド:
クラス java.awt.Toolkit 内の createImage
関連項目:
Toolkit

beep

public void beep()
java.awt.Toolkit implementation. Does nothing.
オーバーライド:
クラス java.awt.Toolkit 内の beep
関連項目:
Toolkit

getPrintJob

public java.awt.PrintJob getPrintJob(java.awt.Frame frame,
                                     java.lang.String jobtitle,
                                     java.util.Properties props)
java.awt.Toolkit implementation. Returns null.
オーバーライド:
クラス java.awt.Toolkit 内の getPrintJob
関連項目:
Toolkit

getSystemClipboard

public java.awt.datatransfer.Clipboard getSystemClipboard()
java.awt.Toolkit implementation. Returns null.
オーバーライド:
クラス java.awt.Toolkit 内の getSystemClipboard
関連項目:
Toolkit

getSystemEventQueueImpl

public java.awt.EventQueue getSystemEventQueueImpl()
java.awt.Toolkit implementation. As of PJA version 2.2, returns a dummy EventQueue.
オーバーライド:
クラス java.awt.Toolkit 内の getSystemEventQueueImpl
関連項目:
Toolkit

createDragSourceContextPeer

public java.awt.dnd.peer.DragSourceContextPeer createDragSourceContextPeer(java.awt.dnd.DragGestureEvent dge)
java.awt.Toolkit implementation. Returns null.
オーバーライド:
クラス java.awt.Toolkit 内の createDragSourceContextPeer
関連項目:
Toolkit

mapInputMethodHighlight

public java.util.Map mapInputMethodHighlight(java.awt.im.InputMethodHighlight highlight)
java.awt.Toolkit implementation. Returns null.
オーバーライド:
クラス java.awt.Toolkit 内の mapInputMethodHighlight
関連項目:
Toolkit

main

public static void main(java.lang.String[] args)
推奨されていません。 As of PJA version 1.1, replaced by PJANativeToolkitComparison.main (args).


© 1997-2001 eTeks - All rights reserved