| /* |
| * ==================================================================== |
| * 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.util; |
| |
| import java.awt.Graphics2D; |
| import java.awt.geom.Dimension2D; |
| import java.awt.geom.Rectangle2D; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.charset.Charset; |
| import java.util.Collections; |
| |
| import org.apache.poi.common.usermodel.GenericRecord; |
| import org.apache.poi.sl.draw.BitmapImageRenderer; |
| import org.apache.poi.sl.draw.DrawPictureShape; |
| import org.apache.poi.sl.draw.EmbeddedExtractor; |
| import org.apache.poi.sl.draw.EmbeddedExtractor.EmbeddedPart; |
| import org.apache.poi.sl.draw.ImageRenderer; |
| import org.apache.poi.sl.usermodel.PictureData; |
| import org.apache.poi.util.Internal; |
| |
| @Internal |
| class EMFHandler extends MFProxy { |
| private ImageRenderer imgr = null; |
| private InputStream is; |
| |
| @Override |
| public void parse(File file) throws IOException { |
| // stream needs to be kept open until the instance is closed |
| is = file.toURI().toURL().openStream(); |
| parse(is); |
| } |
| |
| @Override |
| public void parse(InputStream is) throws IOException { |
| imgr = DrawPictureShape.getImageRenderer(null, getContentType()); |
| if (imgr instanceof BitmapImageRenderer) { |
| throw new PPTX2PNG.NoScratchpadException(); |
| } |
| |
| // stream needs to be kept open |
| imgr.loadImage(is, getContentType()); |
| |
| if (ignoreParse) { |
| try { |
| imgr.getDimension(); |
| } catch (Exception e) { |
| // if (!quite) { |
| // e.printStackTrace(System.err); |
| // } |
| } |
| } |
| } |
| |
| protected String getContentType() { |
| return PictureData.PictureType.EMF.contentType; |
| } |
| |
| @Override |
| public Dimension2D getSize() { |
| return imgr.getDimension(); |
| } |
| |
| @Override |
| public String getTitle() { |
| return ""; |
| } |
| |
| @Override |
| public void draw(Graphics2D ctx) { |
| Dimension2D dim = getSize(); |
| imgr.drawImage(ctx, new Rectangle2D.Double(0, 0, dim.getWidth(), dim.getHeight())); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| if (is != null) { |
| try { |
| is.close(); |
| } finally { |
| is = null; |
| } |
| } |
| } |
| |
| @Override |
| public GenericRecord getRoot() { |
| return imgr.getGenericRecord(); |
| } |
| |
| @Override |
| public Iterable<EmbeddedPart> getEmbeddings(int slideNo) { |
| return (imgr instanceof EmbeddedExtractor) |
| ? ((EmbeddedExtractor) imgr).getEmbeddings() |
| : Collections.emptyList(); |
| } |
| |
| @Override |
| void setDefaultCharset(Charset charset) { |
| imgr.setDefaultCharset(charset); |
| } |
| } |