com.aspose.tex.rendering

Class Device

java.lang.Object

com.aspose.tex.rendering.Device

Direct Known Subclasses:

ImageDevice, PdfDevice, XpsDevice

public abstract class Device
extends Object

Implements the interface for outputting text and graphic content to abstract device. Rendering is performed page by page.

Constructor Summary

Constructors

Modifier	Constructor and Description
	Device() Creates a new instance.
protected	Device(Device device) Clone constructor.

Method Summary

Modifier and Type	Method and Description
Device	create() Creates a copy of this device.
void	dispose() Disposes the device.
abstract void	drawPath(Shape path) Draws a path.
abstract void	drawString(String str, float originX, float originY, List<GlyphData> charInfos) Draws a text string.
abstract void	endDocument() Finalizes the whole document.
abstract void	endPage() Finalizes a page.
abstract void	fillPath(Shape path) Fills a path.
abstract String	getDestinationName() Gets destination name: output file name or device description.
Color	getFill() Gets the current fill color.
abstract int	getPageCount() Gets the number of pages.
ColoredStroke	getStroke() Gets the current stroke.
abstract void	init() Initializes device.
abstract boolean	isReady() Shows if device is ready for output.
protected void	restoreGraphicsState() Rolls back to the graphics state previously saved.
protected void	saveGraphicsState() Saves the current graphics state.
abstract void	setClip(Shape path) Sets the current clip path.
void	setFill(Color value) Sets the current fill color.
void	setStroke(ColoredStroke value) Sets the current stroke.
abstract void	setTransform(AffineTransform matrix) Sets the current coordinate space transformation.
abstract void	showImage(Point2D origin, Dimension2D size, byte[] imageData) Shows a raster image.
abstract void	startDocument() Starts the whole document.
abstract void	startPage(float width, float height) Starts a new page.

Methods inherited from class java.lang.Object

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

Constructor Detail

Device

public Device()

Creates a new instance.

Device

protected Device(Device device)

Clone constructor. Initializes this device with another device.

Parameters:

device - The device to clone.

Method Detail

init

public abstract void init()

Initializes device.

getPageCount

public abstract int getPageCount()

Gets the number of pages.

Returns:

The number of pages.

isReady

public abstract boolean isReady()

Shows if device is ready for output.

Returns:

True if device is ready to receive output. Otherwise, False.

getDestinationName

public abstract String getDestinationName()

Gets destination name: output file name or device description.

Returns:

Destination name: output file name or device description.

create

public Device create()

Creates a copy of this device.

Returns:

Copy of this device.

dispose

public void dispose()

Disposes the device.

startDocument

public abstract void startDocument()

Starts the whole document.

endDocument

public abstract void endDocument()

Finalizes the whole document.

startPage

public abstract void startPage(float width,
                               float height)

Starts a new page.

Parameters:

width - The page width.

height - The page height.

endPage

public abstract void endPage()

Finalizes a page.

setTransform

public abstract void setTransform(AffineTransform matrix)

Sets the current coordinate space transformation.

Parameters:

matrix - The transformation matrix.

setClip

public abstract void setClip(Shape path)

Sets the current clip path.

Parameters:

path - The clip path.

getStroke

public ColoredStroke getStroke()

Gets the current stroke.

Returns:

The current stroke.

setStroke

public void setStroke(ColoredStroke value)

Sets the current stroke.

Parameters:

value - The new current stroke.

getFill

public Color getFill()

Gets the current fill color.

Returns:

The current fill color.

setFill

public void setFill(Color value)

Sets the current fill color.

Parameters:

value - The new current fill color.

saveGraphicsState

protected void saveGraphicsState()

Saves the current graphics state.

restoreGraphicsState

protected void restoreGraphicsState()

Rolls back to the graphics state previously saved.

drawString

public abstract void drawString(String str,
                                float originX,
                                float originY,
                                List<GlyphData> charInfos)

Draws a text string.

Parameters:

str - The string.

originX - The x coordinate of the origin.

originY - The x coordinate of the origin.

charInfos - Glyph data required for precise typesetting of a text string.

drawPath

public abstract void drawPath(Shape path)

Draws a path.

Parameters:

path - A path to draw.

fillPath

public abstract void fillPath(Shape path)

Fills a path.

Parameters:

path - A path to fill.

showImage

public abstract void showImage(Point2D origin,
                               Dimension2D size,
                               byte[] imageData)

Shows a raster image.

Parameters:

origin - The bottom-left corner of the shown image.

size - The size of the shown image.

imageData - The image data.