BaseDisplay (org.jpedal:OpenViewerFX 7.12.28 API)

java.lang.Object
- org.jpedal.render.BaseDisplay

All Implemented Interfaces:: DynamicVectorRenderer

Direct Known Subclasses:: G2Display

public abstract class BaseDisplay
extends Object
implements DynamicVectorRenderer

Field Summary

Fields
Modifier and Type	Field and Description
`protected boolean`	`addBackground` set flag to show if we add a background
`protected Vector_Rectangle_Int`	`areas` holds rectangular outline to test in redraw
`protected Color`	`backgroundColor` background color
`protected boolean`	`changeLineArtAndText`
`protected static int`	`colorThresholdToReplace`
`protected int`	`currentItem`
`int`	`currentTokenNumber`
`protected static int`	`defaultSize` default array size
`protected int`	`endItem`
`protected static boolean`	`enhanceFractionalLines`
`protected Map<Integer,String>`	`imageIDtoName`
`static boolean`	`invertHighlight`
`protected int`	`itemToRender`
`protected ObjectStore`	`objectStoreRef`
`protected Vector_Int`	`objectType` holds object type
`protected Vector_Object`	`pageObjects` initial Q & D object to hold data
`int`	`rawPageNumber`
`protected static Color`	`textColor`
`protected int`	`type`
`static RenderingHints`	`userHints` allow user to control

Constructor Summary

Constructors
Constructor and Description

BaseDisplay()

Constructors
Constructor and Description
`BaseDisplay()`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`protected static boolean`	`checkColorThreshold(int col)`
`void`	`drawAdditionalObjectsOverPage(int[] type, Color[] colors, Object[] obj)` Method to add Shape, Text or image to main display on page over PDF - will be flushed on redraw
`void`	`drawClip(GraphicsState currentGraphicsState, Shape defaultClip, boolean alwaysDraw)`
`void`	`drawEmbeddedText(float[][] Trm, int fontSize, PdfGlyph embeddedGlyph, Object javaGlyph, int type, GraphicsState gs, double[] at, String glyf, PdfFont currentFontData, float glyfWidth)` Store glyph info
`int`	`drawImage(int pageNumber, BufferedImage image, GraphicsState currentGraphicsState, boolean alreadyCached, String name, int previousUse)` save image in array to draw
`void`	`drawShape(Object currentShape, GraphicsState currentGraphicsState)` Used by FX to Draw shape
`void`	`drawShape(PdfShape pdfShape, GraphicsState currentGraphicsState, int cmd)` Used by Swing to Draw shape
`void`	`drawText(float[][] Trm, String text, GraphicsState currentGraphicsState, float x, float y, Font javaFont)` Saves text object with attributes for rendering
`void`	`drawTR(int value)`
`void`	`eliminateHiddenText(Shape currentShape, GraphicsState gs, int count, boolean ignoreScaling)`
`boolean`	`getBooleanValue(int key)` allow user to read
`int`	`getValue(int key)` Generic method to access int values
`void`	`init(int width, int height, Color backgroundColor)` Set page values
`boolean`	`isHTMLorSVG()` Allows generic code to identify if it is doing HTML/SVG conversion
`void`	`paint(Rectangle[] highlights, AffineTransform viewScaling, Rectangle userAnnot)` Renders all the objects onto the g2 surface for screen display
`protected void`	`paintBackground(Shape dirtyRegion)`
`protected void`	`renderComposite(float alpha)`
`void`	`saveAdvanceWidth(int fontObjID, String s, int potentialWidth)` only used in HTML5 and SVG conversion
`byte[]`	`serializeToByteArray(Set<String> fontsAlreadyOnClient)` turn object into byte[] so we can move across this way should be much faster than the stadard Java serialise.
`void`	`setG2(Graphics2D g2)` Used to pass in Graphics2D for all versions
`void`	`setGraphicsState(int fillType, float value, int BM)` save opacity settings
`void`	`setScalingValues(double cropX, double cropH, float scaling)`
`void`	`setValue(int key, int i)` Generic method to set int values
`void`	`writeCustom(int key, Object value)` used by some custom version of DynamicVectorRenderer

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

objectType
```
protected Vector_Int objectType
```
holds object type

defaultSize
```
protected static final int defaultSize
```
default array size

See Also:

Constant Field Values

type
```
protected int type
```

currentTokenNumber
```
public int currentTokenNumber
```

addBackground
```
protected boolean addBackground
```
set flag to show if we add a background

areas
```
protected Vector_Rectangle_Int areas
```
holds rectangular outline to test in redraw

objectStoreRef
```
protected ObjectStore objectStoreRef
```

currentItem
```
protected int currentItem
```

itemToRender
```
protected int itemToRender
```

endItem
```
protected int endItem
```

rawPageNumber
```
public int rawPageNumber
```

invertHighlight
```
public static boolean invertHighlight
```

pageObjects
```
protected Vector_Object pageObjects
```
initial Q & D object to hold data

imageIDtoName

protected final Map<Integer,String> imageIDtoName

backgroundColor
```
protected Color backgroundColor
```
background color

textColor
```
protected static Color textColor
```

colorThresholdToReplace

protected static int colorThresholdToReplace

enhanceFractionalLines

protected static boolean enhanceFractionalLines

changeLineArtAndText
```
protected boolean changeLineArtAndText
```

userHints
```
public static RenderingHints userHints
```
allow user to control

Constructor Detail
- BaseDisplay
```
public BaseDisplay()
```

Method Detail

setG2
```
public void setG2(Graphics2D g2)
```
Description copied from interface: DynamicVectorRenderer

Used to pass in Graphics2D for all versions

Specified by:

setG2 in interface DynamicVectorRenderer

init
```
public void init(int width,
                 int height,
                 Color backgroundColor)
```
Description copied from interface: DynamicVectorRenderer

Set page values

Specified by:

init in interface DynamicVectorRenderer

paintBackground

protected void paintBackground(Shape dirtyRegion)

checkColorThreshold

protected static boolean checkColorThreshold(int col)

setScalingValues

public void setScalingValues(double cropX,
                             double cropH,
                             float scaling)

Specified by:: setScalingValues in interface DynamicVectorRenderer

serializeToByteArray
```
public byte[] serializeToByteArray(Set<String> fontsAlreadyOnClient)
                            throws IOException
```
turn object into byte[] so we can move across this way should be much faster than the stadard Java serialise.
NOT PART OF API and subject to change (DO NOT USE)

Specified by:

serializeToByteArray in interface DynamicVectorRenderer

Returns:

Throws:

IOException