org.jpedal.objects

Class PdfImageData

java.lang.Object

org.jpedal.objects.PdfImageData

public class PdfImageData
extends Object

holds metadata on images extracted from the PDF file.

Images are generally stored in the temp directory and only their meta data held to reduce memory needs.

Constructor Summary

Constructors

Constructor and Description
PdfImageData()

Method Summary

Modifier and Type	Method and Description
void	clearImageData() clear object and reset (does not flush images from disk cache held by ObjectStore)
int	getImageCount() return the number of images.
float	getImageHeight(int i) get height for image in pixels
String	getImageName(int i) get image name created from raw data
int	getImagePageID(int i) get object page id (ie sequential number of page)
float	getImageWidth(int i) get width for image in pixels
float	getImageXCoord(int i) get X co-ord for image in pixels (user coords)
float	getImageYCoord(int i) get Y co-ord for image in pixels (user coords)
void	setImageInfo(String image_name, int current_page_id, float x1, float y1, float w1, float h1) add an item (used internally as PDF page decoded).

Methods inherited from class java.lang.Object

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

Constructor Detail

PdfImageData

public PdfImageData()

Method Detail

setImageInfo

public final void setImageInfo(String image_name,
                               int current_page_id,
                               float x1,
                               float y1,
                               float w1,
                               float h1)

add an item (used internally as PDF page decoded).

Parameters:

image_name - the name of the image

current_page_id - the id value of the page

x1 - x co-ordinates of the image

y1 - y co-ordinates of the image

w1 - width of the image

h1 - height of the image

getImageYCoord

public final float getImageYCoord(int i)

get Y co-ord for image in pixels (user coords)

Parameters:

i - pixel value of the image

Returns:

Y co-ord for image in pixels

getImageWidth

public final float getImageWidth(int i)

get width for image in pixels

Parameters:

i - pixel value of the image

Returns:

width co-ord for image in pixels

getImageHeight

public final float getImageHeight(int i)

get height for image in pixels

Parameters:

i - pixel value of the image

Returns:

height co-ord for image in pixels

getImagePageID

public final int getImagePageID(int i)

get object page id (ie sequential number of page)

Parameters:

i - value for the page id

Returns:

object page id

getImageName

public final String getImageName(int i)

get image name created from raw data

Parameters:

i - value of raw data

Returns:

image name

clearImageData

public final void clearImageData()

clear object and reset (does not flush images from disk cache held by ObjectStore)

getImageXCoord

public final float getImageXCoord(int i)

get X co-ord for image in pixels (user coords)

Parameters:

i - pixel value of the image

Returns:

x co-ord for image in pixels

getImageCount

public final int getImageCount()

return the number of images.

Note image1 is item 0, image2 is item 1 forget methods

Returns:

return the number of images