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What Is jxl.jar 2.6.12
What is jxl.jar 2.6.12?
✍: fyicenter.com
jxl.jar 2.6.12 is the JAR file for Java Excel API 2.6.12, which is a Java library for reading, writing and modifying Microsoft Excel spreadsheet files.
JAR File Size and Download Location:
JAR name: jxl-2.6.12.jar Target JDK version: 1.6 Dependency: None File name: jxl.jar File size: 725735 bytes Release date: 24-Oct-2009 Download: Java Excel API Website.
Here are Java Source Code files for jxl-2.6.12.jar:
⏎ jxl/biff/drawing/PNGReader.java
/********************************************************************* * * Copyright (C) 2006 Andrew Khan * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ***************************************************************************/ package jxl.biff.drawing; import java.io.File; import java.io.FileInputStream; import java.util.Arrays; public class PNGReader { private byte[] pngData; private Chunk ihdr; private Chunk phys; private int pixelWidth; private int pixelHeight; private int verticalResolution; private int horizontalResolution; private int resolutionUnit; private static byte[] PNG_MAGIC_NUMBER = new byte[] {(byte) 0x89, (byte) 0x50, (byte) 0x4e, (byte) 0x47, (byte) 0x0d, (byte) 0x0a, (byte) 0x1a, (byte) 0x0a}; public PNGReader(byte[] data) { pngData = data; } void read() { // Verify the magic data byte[] header = new byte[PNG_MAGIC_NUMBER.length]; System.arraycopy(pngData, 0, header, 0, header.length); boolean pngFile = Arrays.equals(PNG_MAGIC_NUMBER, header); if (!pngFile) { return; } int pos = 8; while (pos < pngData.length) { int length = getInt(pngData[pos], pngData[pos+1], pngData[pos+2], pngData[pos+3]); ChunkType chunkType = ChunkType.getChunkType(pngData[pos+4], pngData[pos+5], pngData[pos+6], pngData[pos+7]); if (chunkType == ChunkType.IHDR) { ihdr = new Chunk(pos + 8, length, chunkType, pngData); } else if (chunkType == ChunkType.PHYS) { phys = new Chunk(pos + 8, length, chunkType, pngData); } pos += length + 12; } // Get the width and height from the ihdr byte[] ihdrData = ihdr.getData(); pixelWidth = getInt(ihdrData[0], ihdrData[1], ihdrData[2], ihdrData[3]); pixelHeight = getInt(ihdrData[4], ihdrData[5], ihdrData[6], ihdrData[7]); if (phys != null) { byte[] physData = phys.getData(); resolutionUnit = physData[8]; horizontalResolution = getInt(physData[0], physData[1], physData[2], physData[3]); verticalResolution = getInt(physData[4], physData[5], physData[6], physData[7]); } } // Gets the big-Endian integer private int getInt(byte d1, byte d2, byte d3, byte d4) { int i1 = d1 & 0xff; int i2 = d2 & 0xff; int i3 = d3 & 0xff; int i4 = d4 & 0xff; int val = i1 << 24 | i2 << 16 | i3 << 8 | i4; return val; } public int getHeight() { return pixelHeight; } public int getWidth() { return pixelWidth; } public int getHorizontalResolution() { // only return if the resolution unit is in metres return resolutionUnit == 1 ? horizontalResolution : 0; } public int getVerticalResolution() { // only return if the resolution unit is in metres return resolutionUnit == 1 ? verticalResolution : 0; } public static void main(String args[]) { try { File f = new File(args[0]); int size = (int) f.length(); byte[] data = new byte[size]; FileInputStream fis = new FileInputStream(f); fis.read(data); fis.close(); PNGReader reader = new PNGReader(data); reader.read(); } catch (Throwable t) { t.printStackTrace(); } } }
⏎ jxl/biff/drawing/PNGReader.java
Or download all of them as a single archive file:
File name: jxl-2.6.12-src.zip File size: 824057 bytes Release date: 2009-10-24 Download
⇐ What Is jexcelapi_2_6_12.zip
2017-06-09, 69331👍, 6💬
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