| /* |
| * ==================================================================== |
| * 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.image.BufferedImage; |
| import java.io.File; |
| import java.io.IOException; |
| import java.lang.ref.WeakReference; |
| |
| import javax.imageio.ImageIO; |
| |
| import org.apache.poi.sl.draw.Drawable; |
| import org.apache.poi.util.Internal; |
| |
| @Internal |
| public class BitmapFormat implements OutputFormat { |
| private final String format; |
| private BufferedImage img; |
| private Graphics2D graphics; |
| |
| public BitmapFormat(String format) { |
| this.format = format; |
| } |
| |
| @Override |
| public Graphics2D addSlide(double width, double height) { |
| int type; |
| switch (format) { |
| case "png": |
| case "gif": |
| type = BufferedImage.TYPE_INT_ARGB; |
| break; |
| default: |
| type = BufferedImage.TYPE_INT_RGB; |
| break; |
| } |
| img = new BufferedImage((int)width, (int)height, type); |
| graphics = img.createGraphics(); |
| graphics.setRenderingHint(Drawable.BUFFERED_IMAGE, new WeakReference<>(img)); |
| return graphics; |
| } |
| |
| @Override |
| public void writeSlide(MFProxy proxy, File outFile) throws IOException { |
| if (!"null".equals(format)) { |
| ImageIO.write(img, format, outFile); |
| } |
| } |
| |
| @Override |
| public void close() throws IOException { |
| if (graphics != null) { |
| graphics.dispose(); |
| img.flush(); |
| } |
| } |
| } |