org.apache.poi.hslf.usermodel.HSLFFill Maven / Gradle / Ivy
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this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
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package org.apache.poi.hslf.usermodel;
import java.awt.Color;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.List;
import org.apache.poi.ddf.AbstractEscherOptRecord;
import org.apache.poi.ddf.EscherBSERecord;
import org.apache.poi.ddf.EscherContainerRecord;
import org.apache.poi.ddf.EscherProperties;
import org.apache.poi.ddf.EscherRecord;
import org.apache.poi.ddf.EscherSimpleProperty;
import org.apache.poi.hslf.record.Document;
import org.apache.poi.sl.draw.DrawPaint;
import org.apache.poi.sl.usermodel.FillStyle;
import org.apache.poi.sl.usermodel.PaintStyle;
import org.apache.poi.sl.usermodel.PaintStyle.TexturePaint;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
/**
* Represents functionality provided by the 'Fill Effects' dialog in PowerPoint.
*
* @author Yegor Kozlov
*/
public final class HSLFFill {
// For logging
protected POILogger logger = POILogFactory.getLogger(this.getClass());
/**
* Fill with a solid color
*/
public static final int FILL_SOLID = 0;
/**
* Fill with a pattern (bitmap)
*/
public static final int FILL_PATTERN = 1;
/**
* A texture (pattern with its own color map)
*/
public static final int FILL_TEXTURE = 2;
/**
* Center a picture in the shape
*/
public static final int FILL_PICTURE = 3;
/**
* Shade from start to end points
*/
public static final int FILL_SHADE = 4;
/**
* Shade from bounding rectangle to end point
*/
public static final int FILL_SHADE_CENTER = 5;
/**
* Shade from shape outline to end point
*/
public static final int FILL_SHADE_SHAPE = 6;
/**
* Similar to FILL_SHADE, but the fill angle
* is additionally scaled by the aspect ratio of
* the shape. If shape is square, it is the same as FILL_SHADE
*/
public static final int FILL_SHADE_SCALE = 7;
/**
* shade to title
*/
public static final int FILL_SHADE_TITLE = 8;
/**
* Use the background fill color/pattern
*/
public static final int FILL_BACKGROUND = 9;
/**
* The shape this background applies to
*/
protected HSLFShape shape;
/**
* Construct a Fill object for a shape.
* Fill information will be read from shape's escher properties.
*
* @param shape the shape this background applies to
*/
public HSLFFill(HSLFShape shape){
this.shape = shape;
}
public FillStyle getFillStyle() {
return new FillStyle() {
public PaintStyle getPaint() {
switch (getFillType()) {
case FILL_SOLID:
return DrawPaint.createSolidPaint(getForegroundColor());
case FILL_PICTURE: {
final HSLFPictureData pd = getPictureData();
if (pd == null) break;
return new TexturePaint() {
public InputStream getImageData() {
return new ByteArrayInputStream(pd.getData());
}
public String getContentType() {
return pd.getContentType();
}
public int getAlpha() {
return (int)(shape.getAlpha(EscherProperties.FILL__FILLOPACITY)*100000.0);
}
};
}
default:
logger.log(POILogger.WARN, "unsuported fill type: " + getFillType());
break;
}
return null;
}
};
}
/**
* Returns fill type.
* Must be one of the FILL_* constants defined in this class.
*
* @return type of fill
*/
public int getFillType(){
AbstractEscherOptRecord opt = shape.getEscherOptRecord();
EscherSimpleProperty prop = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__FILLTYPE);
return prop == null ? FILL_SOLID : prop.getPropertyValue();
}
/**
*/
protected void afterInsert(HSLFSheet sh){
AbstractEscherOptRecord opt = shape.getEscherOptRecord();
EscherSimpleProperty p = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__PATTERNTEXTURE);
if(p != null) {
int idx = p.getPropertyValue();
EscherBSERecord bse = getEscherBSERecord(idx);
bse.setRef(bse.getRef() + 1);
}
}
protected EscherBSERecord getEscherBSERecord(int idx){
HSLFSheet sheet = shape.getSheet();
if(sheet == null) {
logger.log(POILogger.DEBUG, "Fill has not yet been assigned to a sheet");
return null;
}
HSLFSlideShow ppt = sheet.getSlideShow();
Document doc = ppt.getDocumentRecord();
EscherContainerRecord dggContainer = doc.getPPDrawingGroup().getDggContainer();
EscherContainerRecord bstore = HSLFShape.getEscherChild(dggContainer, EscherContainerRecord.BSTORE_CONTAINER);
if(bstore == null) {
logger.log(POILogger.DEBUG, "EscherContainerRecord.BSTORE_CONTAINER was not found ");
return null;
}
List lst = bstore.getChildRecords();
return (EscherBSERecord)lst.get(idx-1);
}
/**
* Sets fill type.
* Must be one of the FILL_* constants defined in this class.
*
* @param type type of the fill
*/
public void setFillType(int type){
AbstractEscherOptRecord opt = shape.getEscherOptRecord();
HSLFShape.setEscherProperty(opt, EscherProperties.FILL__FILLTYPE, type);
}
/**
* Foreground color
*/
public Color getForegroundColor(){
AbstractEscherOptRecord opt = shape.getEscherOptRecord();
EscherSimpleProperty p = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__NOFILLHITTEST);
if(p != null && (p.getPropertyValue() & 0x10) == 0) return null;
return shape.getColor(EscherProperties.FILL__FILLCOLOR, EscherProperties.FILL__FILLOPACITY, -1);
}
/**
* Foreground color
*/
public void setForegroundColor(Color color){
AbstractEscherOptRecord opt = shape.getEscherOptRecord();
if (color == null) {
HSLFShape.setEscherProperty(opt, EscherProperties.FILL__NOFILLHITTEST, 0x150000);
}
else {
int rgb = new Color(color.getBlue(), color.getGreen(), color.getRed(), 0).getRGB();
HSLFShape.setEscherProperty(opt, EscherProperties.FILL__FILLCOLOR, rgb);
HSLFShape.setEscherProperty(opt, EscherProperties.FILL__NOFILLHITTEST, 0x150011);
}
}
/**
* Background color
*/
public Color getBackgroundColor(){
AbstractEscherOptRecord opt = shape.getEscherOptRecord();
EscherSimpleProperty p = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__NOFILLHITTEST);
if(p != null && (p.getPropertyValue() & 0x10) == 0) return null;
return shape.getColor(EscherProperties.FILL__FILLBACKCOLOR, EscherProperties.FILL__FILLOPACITY, -1);
}
/**
* Background color
*/
public void setBackgroundColor(Color color){
AbstractEscherOptRecord opt = shape.getEscherOptRecord();
if (color == null) {
HSLFShape.setEscherProperty(opt, EscherProperties.FILL__FILLBACKCOLOR, -1);
}
else {
int rgb = new Color(color.getBlue(), color.getGreen(), color.getRed(), 0).getRGB();
HSLFShape.setEscherProperty(opt, EscherProperties.FILL__FILLBACKCOLOR, rgb);
}
}
/**
* PictureData object used in a texture, pattern of picture fill.
*/
public HSLFPictureData getPictureData(){
AbstractEscherOptRecord opt = shape.getEscherOptRecord();
EscherSimpleProperty p = HSLFShape.getEscherProperty(opt, EscherProperties.FILL__PATTERNTEXTURE);
if (p == null) return null;
HSLFSlideShow ppt = shape.getSheet().getSlideShow();
List pict = ppt.getPictureData();
Document doc = ppt.getDocumentRecord();
EscherContainerRecord dggContainer = doc.getPPDrawingGroup().getDggContainer();
EscherContainerRecord bstore = HSLFShape.getEscherChild(dggContainer, EscherContainerRecord.BSTORE_CONTAINER);
java.util.List lst = bstore.getChildRecords();
int idx = p.getPropertyValue();
if (idx == 0){
logger.log(POILogger.WARN, "no reference to picture data found ");
} else {
EscherBSERecord bse = (EscherBSERecord)lst.get(idx - 1);
for (HSLFPictureData pd : pict) {
if (pd.getOffset() == bse.getOffset()){
return pd;
}
}
}
return null;
}
/**
* Assign picture used to fill the underlying shape.
*
* @param data the picture data added to this ppt by {@link HSLFSlideShow#addPicture(byte[], org.apache.poi.sl.usermodel.PictureData.PictureType)} method.
*/
public void setPictureData(HSLFPictureData data){
AbstractEscherOptRecord opt = shape.getEscherOptRecord();
HSLFShape.setEscherProperty(opt, (short)(EscherProperties.FILL__PATTERNTEXTURE + 0x4000), (data == null ? 0 : data.getIndex()));
if(data != null && shape.getSheet() != null) {
EscherBSERecord bse = getEscherBSERecord(data.getIndex());
bse.setRef(bse.getRef() + 1);
}
}
}
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