58 lines
2.1 KiB
Java
58 lines
2.1 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.sl.image;
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import java.awt.Dimension;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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import org.apache.poi.util.Internal;
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import org.apache.poi.util.POILogFactory;
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import org.apache.poi.util.POILogger;
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import org.apache.poi.util.Units;
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@Internal
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public class ImageHeaderBitmap {
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private static final POILogger LOG = POILogFactory.getLogger(ImageHeaderBitmap.class);
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private final Dimension size;
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public ImageHeaderBitmap(byte data[], int offset) {
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BufferedImage img = null;
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try {
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img = ImageIO.read(new ByteArrayInputStream(data, offset, data.length-offset));
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} catch (IOException e) {
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LOG.log(POILogger.WARN, "Can't determine image dimensions", e);
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}
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// set dummy size, in case of dummy dimension can't be set
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size = (img == null)
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? new Dimension(200,200)
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: new Dimension(
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(int)Units.pixelToPoints(img.getWidth()),
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(int)Units.pixelToPoints(img.getHeight())
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);
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}
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public Dimension getSize() {
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return size;
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}
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}
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