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expose additional shape properties 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1151917 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sergey Vladimirov 2011-07-28 16:39:47 +00:00
parent c9c353b0ed
commit ed2266e85e
2 changed files with 264 additions and 31 deletions
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124
src/scratchpad/src/org/apache/poi/hwpf/usermodel/OfficeDrawing.java
View File

@ -17,12 +17,119 @@
package org.apache.poi.hwpf.usermodel;
/**
* User-friendly interface to office drawing objects
* User-friendly interface to office drawing objects.
* <p>
* Some properties and enumeration constants description are quotes from the
* following sources:
* <ul>
* <li>[MS-ODRAW] — v20110608; Office Drawing Binary File Format; Copyright (c)
* 2011 Microsoft Corporation.
* </ul>
*
* @author Sergey Vladimirov (vlsergey {at} gmail {dot} com)
*/
public interface OfficeDrawing
{
public enum HorizontalPositioning {
/**
* The shape is horizontally offset by an absolute distance from the
* page element.
*/
ABSOLUTE,
/**
* The shape is horizontally positioned at the center of the page
* element.
*/
CENTER,
/**
* The shape is horizontally positioned like {@link #LEFT} on
* odd-numbered pages and like {@link #RIGHT} on even-numbered pages.
*/
INSIDE,
/**
* The shape is horizontally positioned at the left side of the page
* element.
*/
LEFT,
/**
* The shape is horizontally positioned like {@link #RIGHT} on
* odd-numbered pages and like {@link #LEFT} on even-numbered pages.
*/
OUTSIDE,
/**
* The shape is horizontally positioned at the right side of the page
* element.
*/
RIGHT;
}
public enum HorizontalRelativeElement {
CHAR, MARGIN, PAGE, TEXT;
}
public enum VerticalPositioning {
/**
* The shape is vertically offset by an absolute distance from the page
* element
*/
ABSOLUTE,
/**
* The shape is vertically positioned at the bottom of the page element
*/
BOTTOM,
/**
* The shape is vertically positioned in the center of the page element
*/
CENTER,
/**
* The shape is vertically positioned like msopvTop on odd-numbered
* pages and like msopvBottom on even-numbered pages
*/
INSIDE,
/**
* The shape is vertically positioned like {@link #BOTTOM} on
* odd-numbered pages and like {@link #TOP} on even-numbered pages
*/
OUTSIDE,
/**
* The shape is vertically positioned at the top of the page element
*/
TOP;
}
public enum VerticalRelativeElement {
LINE, MARGIN, PAGE, TEXT;
}
/**
* Returns the type of horizontal positioning to use for a shape
*
* @return the type of horizontal positioning to use for a shape
*/
public HorizontalPositioning getHorizontalPositioning();
/**
* Specifies a page element relative to which a shape is horizontally
* positioned
*
* @return a page element relative to which a shape is horizontally
* positioned
*/
public HorizontalRelativeElement getHorizontalRelative();
/**
* Returns picture data if this shape has (single?) associated picture data
*/
@ -54,4 +161,19 @@ public interface OfficeDrawing
*/
int getShapeId();
/**
* Specifies the type of vertical positioning to use for a shape
*
* @return return the type of vertical positioning to use for a shape
*/
public VerticalPositioning getVerticalPositioning();
/**
* Specifies a page element relative to which a shape is vertically
* positioned
*
* @return a page element relative to which a shape is vertically positioned
*/
public VerticalRelativeElement getVerticalRelativeElement();
}

171
src/scratchpad/src/org/apache/poi/hwpf/usermodel/OfficeDrawingsImpl.java
View File

@ -21,6 +21,8 @@ import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.poi.ddf.EscherTertiaryOptRecord;
import org.apache.poi.ddf.DefaultEscherRecordFactory;
import org.apache.poi.ddf.EscherBSERecord;
import org.apache.poi.ddf.EscherBlipRecord;
@ -49,22 +51,6 @@ public class OfficeDrawingsImpl implements OfficeDrawings
this._mainStream = mainStream;
}
private EscherContainerRecord getEscherShapeRecordContainer(
final int shapeId )
{
for ( EscherContainerRecord spContainer : _escherRecordHolder
.getSpContainers() )
{
EscherSpRecord escherSpRecord = spContainer
.getChildById( (short) 0xF00A );
if ( escherSpRecord != null
&& escherSpRecord.getShapeId() == shapeId )
return spContainer;
}
return null;
}
private EscherBlipRecord getBitmapRecord( int bitmapIndex )
{
List<? extends EscherContainerRecord> bContainers = _escherRecordHolder
@ -117,10 +103,94 @@ public class OfficeDrawingsImpl implements OfficeDrawings
return null;
}
private EscherContainerRecord getEscherShapeRecordContainer(
final int shapeId )
{
for ( EscherContainerRecord spContainer : _escherRecordHolder
.getSpContainers() )
{
EscherSpRecord escherSpRecord = spContainer
.getChildById( (short) 0xF00A );
if ( escherSpRecord != null
&& escherSpRecord.getShapeId() == shapeId )
return spContainer;
}
return null;
}
private OfficeDrawing getOfficeDrawing( final FSPA fspa )
{
return new OfficeDrawing()
{
public HorizontalPositioning getHorizontalPositioning()
{
int value = getTertiaryPropertyValue(
EscherProperties.GROUPSHAPE__POSH, -1 );
switch ( value )
{
case 0:
return HorizontalPositioning.ABSOLUTE;
case 1:
return HorizontalPositioning.LEFT;
case 2:
return HorizontalPositioning.CENTER;
case 3:
return HorizontalPositioning.RIGHT;
case 4:
return HorizontalPositioning.INSIDE;
case 5:
return HorizontalPositioning.OUTSIDE;
}
return HorizontalPositioning.ABSOLUTE;
}
public HorizontalRelativeElement getHorizontalRelative()
{
int value = getTertiaryPropertyValue(
EscherProperties.GROUPSHAPE__POSRELH, -1 );
switch ( value )
{
case 1:
return HorizontalRelativeElement.MARGIN;
case 2:
return HorizontalRelativeElement.PAGE;
case 3:
return HorizontalRelativeElement.TEXT;
case 4:
return HorizontalRelativeElement.CHAR;
}
return HorizontalRelativeElement.TEXT;
}
public byte[] getPictureData()
{
EscherContainerRecord shapeDescription = getEscherShapeRecordContainer( getShapeId() );
if ( shapeDescription == null )
return null;
EscherOptRecord escherOptRecord = shapeDescription
.getChildById( EscherOptRecord.RECORD_ID );
if ( escherOptRecord == null )
return null;
EscherSimpleProperty escherProperty = escherOptRecord
.lookup( EscherProperties.BLIP__BLIPTODISPLAY );
if ( escherProperty == null )
return null;
int bitmapIndex = escherProperty.getPropertyValue();
EscherBlipRecord escherBlipRecord = getBitmapRecord( bitmapIndex );
if ( escherBlipRecord == null )
return null;
return escherBlipRecord.getPicturedata();
}
public int getRectangleBottom()
{
return fspa.getYaBottom();
@ -146,28 +216,69 @@ public class OfficeDrawingsImpl implements OfficeDrawings
return fspa.getSpid();
}
public byte[] getPictureData()
private int getTertiaryPropertyValue( int propertyId,
int defaultValue )
{
EscherContainerRecord shapeDescription = getEscherShapeRecordContainer( getShapeId() );
if ( shapeDescription == null )
return null;
return defaultValue;
EscherOptRecord escherOptRecord = shapeDescription
.getChildById( (short) 0xF00B );
if ( escherOptRecord == null )
return null;
EscherTertiaryOptRecord escherTertiaryOptRecord = shapeDescription
.getChildById( EscherTertiaryOptRecord.RECORD_ID );
if ( escherTertiaryOptRecord == null )
return defaultValue;
EscherSimpleProperty escherProperty = escherOptRecord
.lookup( EscherProperties.BLIP__BLIPTODISPLAY );
EscherSimpleProperty escherProperty = escherTertiaryOptRecord
.lookup( propertyId );
if ( escherProperty == null )
return null;
return defaultValue;
int value = escherProperty.getPropertyValue();
int bitmapIndex = escherProperty.getPropertyValue();
EscherBlipRecord escherBlipRecord = getBitmapRecord( bitmapIndex );
if ( escherBlipRecord == null )
return null;
return value;
}
return escherBlipRecord.getPicturedata();
public VerticalPositioning getVerticalPositioning()
{
int value = getTertiaryPropertyValue(
EscherProperties.GROUPSHAPE__POSV, -1 );
switch ( value )
{
case 0:
return VerticalPositioning.ABSOLUTE;
case 1:
return VerticalPositioning.TOP;
case 2:
return VerticalPositioning.CENTER;
case 3:
return VerticalPositioning.BOTTOM;
case 4:
return VerticalPositioning.INSIDE;
case 5:
return VerticalPositioning.OUTSIDE;
}
return VerticalPositioning.ABSOLUTE;
}
public VerticalRelativeElement getVerticalRelativeElement()
{
int value = getTertiaryPropertyValue(
EscherProperties.GROUPSHAPE__POSV, -1 );
switch ( value )
{
case 1:
return VerticalRelativeElement.MARGIN;
case 2:
return VerticalRelativeElement.PAGE;
case 3:
return VerticalRelativeElement.TEXT;
case 4:
return VerticalRelativeElement.LINE;
}
return VerticalRelativeElement.TEXT;
}
@Override