DynamicPDF by ceTe Software

com.cete.dynamicpdf.imaging
Class PngImageData

java.lang.Object
  extended by com.cete.dynamicpdf.Resource
      extended by com.cete.dynamicpdf.imaging.ImageData
          extended by com.cete.dynamicpdf.imaging.PngImageData

public class PngImageData
extends ImageData

Class represents the data of a PNG image.

Licensing:
This class is a DynamicPDF Generator Professional Edition feature. One of the following licenses is required for non-evaluation usage:


Constructor Summary
PngImageData(java.lang.String filePath)
          Initializes a new instance of the PngImageData class.
 
Method Summary
 void draw(DocumentWriter writer)
          Draws the PNG image data to the given DocumentWriter object.
 int getHeight()
          Gets the pixel height of the PNG image.
 int getRequiredPdfObjects()
          Gets the number of PDF objects required by the PNG image data.
 float getScaleX()
          Gets the X scale of the image.
 float getScaleY()
          Gets the Y scale of the image.
 int getWidth()
          Gets the pixel width of the PNG image.
static boolean isValid(byte[] header)
          Returns a value indicating if the provides file header is valid for a PNG image.
static boolean isValid(java.lang.String fileExtension)
          Returns a value indicating if the provides file extension is valid for a PNG image.
 
Methods inherited from class com.cete.dynamicpdf.imaging.ImageData
draw, getHorizontalDpi, getImage, getImage, getInterpolate, getPage, getPage, getPointHeight, getPointWidth, getResourceType, getVerticalDpi, setInterpolate
 
Methods inherited from class com.cete.dynamicpdf.Resource
getUid, newUid
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PngImageData

public PngImageData(java.lang.String filePath)
             throws java.io.FileNotFoundException
Initializes a new instance of the PngImageData class.

Throws:
java.io.FileNotFoundException - If physical file path of the image is not found.
Parameters:
filePath - Physical file path of the image.
See Also:
PngImageData
Method Detail

isValid

public static boolean isValid(java.lang.String fileExtension)
Returns a value indicating if the provides file extension is valid for a PNG image.

Parameters:
fileExtension - String value containing file extension.
Returns:
true, if the file extension is valid. Otherwise false.

isValid

public static boolean isValid(byte[] header)
Returns a value indicating if the provides file header is valid for a PNG image.

Parameters:
header - Contains the image header bytes.
Returns:
true, if the file extension is valid. Otherwise false.

getRequiredPdfObjects

public int getRequiredPdfObjects()
Gets the number of PDF objects required by the PNG image data.

Overrides:
getRequiredPdfObjects in class Resource
Returns:
the number of PDF objects required by the PNG image data.

getWidth

public int getWidth()
Gets the pixel width of the PNG image.

Specified by:
getWidth in class ImageData
Returns:
the pixel width of the PNG image.

getHeight

public int getHeight()
Gets the pixel height of the PNG image.

Specified by:
getHeight in class ImageData
Returns:
the pixel height of the PNG image.

getScaleX

public float getScaleX()
Gets the X scale of the image.

Specified by:
getScaleX in class ImageData
Returns:
the X scale of the image.

getScaleY

public float getScaleY()
Gets the Y scale of the image.

Specified by:
getScaleY in class ImageData
Returns:
the Y scale of the image.

draw

public void draw(DocumentWriter writer)
Draws the PNG image data to the given DocumentWriter object.

Specified by:
draw in class Resource
Parameters:
writer - DocumentWriter object to receive the PNG image data's output.
See Also:
DocumentWriter

DynamicPDF by ceTe Software

API Reference for DynamicPDF v10.07 for Java generated on Aug 12, 2020
© Copyright 2020, ceTe Software