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org.apache.poi.xslf.usermodel.XSLFPictureShape Maven / Gradle / Ivy
/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* 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
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ====================================================================
*/
package org.apache.poi.xslf.usermodel;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.net.URI;
import javax.imageio.ImageIO;
import javax.xml.namespace.QName;
import org.apache.poi.POIXMLException;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.openxml4j.opc.PackageRelationship;
import org.apache.poi.util.Beta;
import org.apache.xmlbeans.XmlCursor;
import org.apache.xmlbeans.XmlObject;
import org.openxmlformats.schemas.drawingml.x2006.main.CTBlip;
import org.openxmlformats.schemas.drawingml.x2006.main.CTBlipFillProperties;
import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
import org.openxmlformats.schemas.drawingml.x2006.main.CTOfficeArtExtension;
import org.openxmlformats.schemas.drawingml.x2006.main.CTOfficeArtExtensionList;
import org.openxmlformats.schemas.drawingml.x2006.main.CTPresetGeometry2D;
import org.openxmlformats.schemas.drawingml.x2006.main.CTRelativeRect;
import org.openxmlformats.schemas.drawingml.x2006.main.CTShapeProperties;
import org.openxmlformats.schemas.drawingml.x2006.main.STShapeType;
import org.openxmlformats.schemas.presentationml.x2006.main.CTApplicationNonVisualDrawingProps;
import org.openxmlformats.schemas.presentationml.x2006.main.CTPicture;
import org.openxmlformats.schemas.presentationml.x2006.main.CTPictureNonVisual;
/**
* Represents a picture shape
*/
@Beta
public class XSLFPictureShape extends XSLFSimpleShape {
private XSLFPictureData _data;
/*package*/ XSLFPictureShape(CTPicture shape, XSLFSheet sheet) {
super(shape, sheet);
}
/**
* @param shapeId 1-based shapeId
* @param rel relationship to the picture data in the ooxml package
*/
static CTPicture prototype(int shapeId, String rel) {
CTPicture ct = CTPicture.Factory.newInstance();
CTPictureNonVisual nvSpPr = ct.addNewNvPicPr();
CTNonVisualDrawingProps cnv = nvSpPr.addNewCNvPr();
cnv.setName("Picture " + shapeId);
cnv.setId(shapeId + 1);
nvSpPr.addNewCNvPicPr().addNewPicLocks().setNoChangeAspect(true);
nvSpPr.addNewNvPr();
CTBlipFillProperties blipFill = ct.addNewBlipFill();
CTBlip blip = blipFill.addNewBlip();
blip.setEmbed(rel);
blipFill.addNewStretch().addNewFillRect();
CTShapeProperties spPr = ct.addNewSpPr();
CTPresetGeometry2D prst = spPr.addNewPrstGeom();
prst.setPrst(STShapeType.RECT);
prst.addNewAvLst();
return ct;
}
/**
* Resize this picture to the default size.
* For PNG and JPEG resizes the image to 100%,
* for other types sets the default size of 200x200 pixels.
*/
public void resize() {
XSLFPictureData pict = getPictureData();
try {
BufferedImage img = ImageIO.read(new ByteArrayInputStream(pict.getData()));
setAnchor(new Rectangle2D.Double(0, 0, img.getWidth(), img.getHeight()));
}
catch (Exception e) {
//default size is 200x200
setAnchor(new java.awt.Rectangle(50, 50, 200, 200));
}
}
/**
* Is this an internal picture (image data included within
* the PowerPoint file), or an external linked picture
* (image lives outside)?
*/
public boolean isExternalLinkedPicture() {
if (getBlipId() == null && getBlipLink() != null) {
return true;
}
return false;
}
/**
* Return the data on the (internal) picture.
* For an external linked picture, will return null
*/
public XSLFPictureData getPictureData() {
if(_data == null){
String blipId = getBlipId();
if (blipId == null) return null;
PackagePart p = getSheet().getPackagePart();
PackageRelationship rel = p.getRelationship(blipId);
if (rel != null) {
try {
PackagePart imgPart = p.getRelatedPart(rel);
_data = new XSLFPictureData(imgPart, rel);
}
catch (Exception e) {
throw new POIXMLException(e);
}
}
}
return _data;
}
/**
* For an external linked picture, return the last-seen
* path to the picture.
* For an internal picture, returns null.
*/
public URI getPictureLink() {
if (getBlipId() != null) {
// Internal picture, nothing to return
return null;
}
String rId = getBlipLink();
if (rId == null) {
// No link recorded, nothing we can do
return null;
}
PackagePart p = getSheet().getPackagePart();
PackageRelationship rel = p.getRelationship(rId);
if (rel != null) {
return rel.getTargetURI();
}
return null;
}
private CTBlip getBlip(){
CTPicture ct = (CTPicture)getXmlObject();
return ct.getBlipFill().getBlip();
}
private String getBlipLink(){
String link = getBlip().getLink();
if (link.isEmpty()) return null;
return link;
}
private String getBlipId(){
String id = getBlip().getEmbed();
if (id.isEmpty()) return null;
return id;
}
public Insets getBlipClip(){
CTPicture ct = (CTPicture)getXmlObject();
CTRelativeRect r = ct.getBlipFill().getSrcRect();
return (r == null) ? null : new Insets(r.getT(), r.getL(), r.getB(), r.getR());
}
@Override
public void drawContent(Graphics2D graphics) {
XSLFPictureData data = getPictureData();
if(data == null) return;
XSLFImageRenderer renderer = (XSLFImageRenderer)graphics.getRenderingHint(XSLFRenderingHint.IMAGE_RENDERER);
if(renderer == null) renderer = new XSLFImageRenderer();
RenderableShape rShape = new RenderableShape(this);
Rectangle2D anchor = rShape.getAnchor(graphics);
Insets insets = getBlipClip();
renderer.drawImage(graphics, data, anchor, insets);
}
@Override
void copy(XSLFShape sh){
super.copy(sh);
XSLFPictureShape p = (XSLFPictureShape)sh;
String blipId = p.getBlipId();
String relId = getSheet().importBlip(blipId, p.getSheet().getPackagePart());
CTPicture ct = (CTPicture)getXmlObject();
CTBlip blip = ct.getBlipFill().getBlip();
blip.setEmbed(relId);
CTApplicationNonVisualDrawingProps nvPr = ct.getNvPicPr().getNvPr();
if(nvPr.isSetCustDataLst()) {
// discard any custom tags associated with the picture being copied
nvPr.unsetCustDataLst();
}
if(blip.isSetExtLst()) {
CTOfficeArtExtensionList extLst = blip.getExtLst();
for(CTOfficeArtExtension ext : extLst.getExtArray()){
String xpath = "declare namespace a14='http://schemas.microsoft.com/office/drawing/2010/main' $this//a14:imgProps/a14:imgLayer";
XmlObject[] obj = ext.selectPath(xpath);
if(obj != null && obj.length == 1){
XmlCursor c = obj[0].newCursor();
String id = c.getAttributeText(new QName("http://schemas.openxmlformats.org/officeDocument/2006/relationships", "embed"));//selectPath("declare namespace r='http://schemas.openxmlformats.org/officeDocument/2006/relationships' $this//[@embed]");
String newId = getSheet().importBlip(id, p.getSheet().getPackagePart());
c.setAttributeText(new QName("http://schemas.openxmlformats.org/officeDocument/2006/relationships", "embed"), newId);
c.dispose();
}
}
}
}
}
