com.fr.code.bar.line.ean13

类 UPCABarcode

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

com.fr.code.BarcodeImpl

com.fr.code.bar.line.ean13.UPCABarcode

所有已实现的接口:

java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

直接已知子类:

EAN13Barcode

public class UPCABarcode
extends BarcodeImpl

This is a concrete implementation of the UPC-A barcode.

作者:

James Jenner

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

从类继承的嵌套类/接口 java.awt.Container

java.awt.Container.AccessibleAWTContainer

从类继承的嵌套类/接口 java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

字段概要

字段

限定符和类型	字段和说明
static int	BARCODE_LENGTH
protected static int	CHECKSUM_WEIGHT_EVEN
protected static int	CHECKSUM_WEIGHT_ODD
protected java.lang.String	label
protected boolean	requiresChecksum
static java.lang.String[]	TYPES A list of type identifiers for the UPC-A barcode format
protected int	width

从类继承的字段 com.fr.code.BarcodeImpl

barHeight, barWidth, data, drawingQuietSection, drawingText, font, size, x, y

从类继承的字段 javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

从类继承的字段 java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

从接口继承的字段 java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

构造器概要

构造器

构造器和说明
UPCABarcode(java.lang.String data) Constructs a basic mode UPC-A barcode with the specified data and an optional checksum.
UPCABarcode(java.lang.String data, boolean randomWeight)

方法概要

方法

限定符和类型	方法和说明
protected Module	calculateChecksum() Returns the checksum for the barcode, pre-encoded as a Module.
protected static int	calculateChecksum(int value, boolean even)
protected java.awt.Dimension	draw(AbstractOutput output, int x, int y, double barWidth, double barHeight)
protected Module[]	encodeData() Returns the encoded data for the barcode.
protected int	getBarcodeLength()
protected double	getBarcodeWidth(int resolution) Returns the barcode width for the given resolution.
protected Module	getCentreGuard() Returns the middle bar for the barcode.
protected int	getGuardCharSize()
java.lang.String	getLabel() Returns the text that will be displayed underneath the barcode (if requested).
protected Module	getLeftMargin()
protected int	getLeftWidth()
static int	getModCheckDigit(java.lang.String data)
protected Module	getPostAmble() Returns the post-amble for the barcode.
protected Module	getPreAmble() Returns the pre-amble for the barcode.
protected Module	getRightMargin()

从类继承的方法 com.fr.code.BarcodeImpl

beautify, calculateMinimumBarHeight, calculateSize, clone, draw, drawModule, drawModule, getBackground, getBounds, getBounds, getData, getFont, getForeground, getHeight, getMaximumSize, getMinimumSize, getPreferredSize, getRcodeDrawPix, getRCodeErrorCorrect, getRCodeVersion, getResolution, getSize, getWidth, getX, getY, invalidateSize, isDrawingQuietSection, isDrawingText, paintComponent, setBackground, setBarHeight, setBarWidth, setDrawingQuietSection, setDrawingText, setFont, setForeground, setRcodeDrawPix, setRCodeErrorCorrect, setRCodeVersion, setResolution, setSVGScalar

从类继承的方法 javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getAccessibleContext, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getNextFocusableComponent, getPopupLocation, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update, updateUI

从类继承的方法 java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree

从类继承的方法 java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

从类继承的方法 java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

字段详细资料

TYPES

public static final java.lang.String[] TYPES

A list of type identifiers for the UPC-A barcode format

requiresChecksum

protected boolean requiresChecksum

label

protected final java.lang.String label

width

protected int width

CHECKSUM_WEIGHT_EVEN

protected static final int CHECKSUM_WEIGHT_EVEN

另请参阅:

常量字段值

CHECKSUM_WEIGHT_ODD

protected static final int CHECKSUM_WEIGHT_ODD

另请参阅:

常量字段值

BARCODE_LENGTH

public static final int BARCODE_LENGTH

另请参阅:

常量字段值

构造器详细资料

UPCABarcode

public UPCABarcode(java.lang.String data)
            throws BarcodeException

Constructs a basic mode UPC-A barcode with the specified data and an optional checksum. The length of the barcode is , with a checksum. If the length passed is only , then a checksum will be automaticaly added. If the length is not or then a barcode exception will be thrown.

参数:

data - The data to encode

抛出:

BarcodeException - If the data to be encoded is invalid

UPCABarcode

public UPCABarcode(java.lang.String data,
           boolean randomWeight)
            throws BarcodeException

抛出:

BarcodeException

方法详细资料

getBarcodeLength

protected int getBarcodeLength()

draw

protected java.awt.Dimension draw(AbstractOutput output,
                      int x,
                      int y,
                      double barWidth,
                      double barHeight)

指定者:

draw 在类中 BarcodeImpl

getLabel

public java.lang.String getLabel()

Returns the text that will be displayed underneath the barcode (if requested).

覆盖:

getLabel 在类中 BarcodeImpl

返回:

The text label for the barcode

getBarcodeWidth

protected double getBarcodeWidth(int resolution)

Returns the barcode width for the given resolution.

指定者:

getBarcodeWidth 在类中 BarcodeImpl

参数:

resolution - The output resolution

返回:

The barcode width

encodeData

protected Module[] encodeData()

Returns the encoded data for the barcode.

指定者:

encodeData 在类中 BarcodeImpl

返回:

An array of modules that represent the data as a barcode

calculateChecksum

protected Module calculateChecksum()

Returns the checksum for the barcode, pre-encoded as a Module.

指定者:

calculateChecksum 在类中 BarcodeImpl

返回:

a Mod- caclulated checksum, if no checksum is required Null

getGuardCharSize

protected int getGuardCharSize()

getLeftWidth

protected int getLeftWidth()

getLeftMargin

protected Module getLeftMargin()

getRightMargin

protected Module getRightMargin()

getPreAmble

protected Module getPreAmble()

Returns the pre-amble for the barcode.

指定者:

getPreAmble 在类中 BarcodeImpl

返回:

pre amble for the barcode

getCentreGuard

protected Module getCentreGuard()

Returns the middle bar for the barcode.

返回:

pre amble for the barcode

getPostAmble

protected Module getPostAmble()

Returns the post-amble for the barcode.

指定者:

getPostAmble 在类中 BarcodeImpl

返回:

postamble for the barcode

getModCheckDigit

public static int getModCheckDigit(java.lang.String data)

calculateChecksum

protected static int calculateChecksum(int value,
                    boolean even)