| /* ==================================================================== |
| 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.sl.image; |
| |
| import java.awt.Dimension; |
| import java.awt.image.BufferedImage; |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| |
| import javax.imageio.ImageIO; |
| |
| import org.apache.poi.util.Internal; |
| import org.apache.poi.util.POILogFactory; |
| import org.apache.poi.util.POILogger; |
| import org.apache.poi.util.Units; |
| |
| @Internal |
| public class ImageHeaderBitmap { |
| private static final POILogger LOG = POILogFactory.getLogger(ImageHeaderBitmap.class); |
| |
| private final Dimension size; |
| |
| public ImageHeaderBitmap(byte data[], int offset) { |
| BufferedImage img = null; |
| try { |
| img = ImageIO.read(new ByteArrayInputStream(data, offset, data.length-offset)); |
| } catch (IOException e) { |
| LOG.log(POILogger.WARN, "Can't determine image dimensions", e); |
| } |
| // set dummy size, in case of dummy dimension can't be set |
| size = (img == null) |
| ? new Dimension(200,200) |
| : new Dimension( |
| (int)Units.pixelToPoints(img.getWidth()), |
| (int)Units.pixelToPoints(img.getHeight()) |
| ); |
| } |
| |
| public Dimension getSize() { |
| return size; |
| } |
| } |