pdflayercollection-j9官方网址

com.spire.pdf.graphics.layer
class pdflayercollection

java.lang.object
  com.spire.pdf.graphics.layer.pdflayercollection

all implemented interfaces:

ipdfwrapper

public class pdflayercollection
extends java.lang.object
implements ipdfwrapper

represent pdf layer collection.

pdflayercollection

public pdflayercollection(pdfdocumentbase documentbase,
                           crosstable)

construct an instance

parameters:

documentbase - the pdfdocumentbase

crosstable - the pdf cross table

pdflayercollection

public pdflayercollection( dictoptionalcontentproperties,
                          pdfdocumentbase documentbase,
                           crosstable)

construct an instance with the optional content properties dictionary

parameters:

dictoptionalcontentproperties - the optional content properties dictionary

documentbase - the pdfdocumentbase.

crosstable - the pdf cross table

get

public pdflayer get(int index)

get the pdf layer of the index.

parameters:

index - pdf layer index

returns:

pdf layer

getcount

public int getcount()

gets the number of pdf layers contained.

addlayer

public pdflayer addlayer(java.lang.string name)

add a new pdf layer.

parameters:

name - pdf layer name.

returns:

pdf layer.

addlayer

public pdflayer addlayer(java.lang.string name,
                         pdfvisibility state)

add a new pdf layer.

parameters:

name - pdf layer name.

state - pdf layer's visibility.

returns:

pdf layer.

removelayer

public boolean removelayer(java.lang.string name)

remove the pdf layer.

parameters:

name - pdf layer name.

returns:

true if item is successfully removed; otherwise, false. this method also returns false if item was not found

removelayer

public boolean removelayer(java.lang.string name,
                           boolean withcontent)

remove the pdf layer.

parameters:

name - pdf layer name.

withcontent - if true,remove content with the pdf layer.otherwise,false.

returns:

true if item is successfully removed; otherwise, false. this method also returns false if item was not found