What Is poi-scratchpad-5.2.3.jar?

What Is poi-scratchpad-5.2.3.jar?

✍: FYIcenter.com

poi-scratchpad-5.2.3.jar is one of the JAR files for Apache POI 5.2.3, which provides an API for Microsoft document files of Word, Excel, PowerPoint, and Visio.

poi-scratchpad-5.2.3.jar provides support for older versions of Microsoft document files like Word 97, Excel 97, PowerPoint 97, etc.

poi-scratchpad-5.2.3.jar is distributed as part of the poi-bin-5.2.3-20220909.zip download file.

JAR File Size and Download Location:

JAR name: poi-scratchpad-5.2.3.jar
Target JDK version: 9

File name: poi-scratchpad.jar, poi-scratchpad-5.2.3.jar
File size: 1897121 bytes
Release date: 09-09-2022
Download: Apache POI Website

Here are Java Source Code files for poi-scratchpad-5.2.3.jar:


/* ====================================================================
   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


   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   See the License for the specific language governing permissions and
   limitations under the License.
==================================================================== */

package org.apache.poi.hemf.record.emfplus;

import java.awt.Transparency;
import java.awt.color.ColorSpace;
import java.awt.image.BufferedImage;
import java.awt.image.ComponentColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.PixelInterleavedSampleModel;
import java.awt.image.Raster;
import java.awt.image.WritableRaster;
import java.io.IOException;
import java.io.InputStream;

import org.apache.poi.sl.draw.BitmapImageRenderer;
import org.apache.poi.util.IOUtils;

public class HemfPlusGDIImageRenderer extends BitmapImageRenderer {
    private int width;
    private int height;
    private int stride;
    private HemfPlusImage.EmfPlusPixelFormat pixelFormat;

    public int getWidth() {
        return width;

    public void setWidth(int width) {
        this.width = width;

    public int getHeight() {
        return height;

    public void setHeight(int height) {
        this.height = height;

    public int getStride() {
        return stride;

    public void setStride(int stride) {
        this.stride = stride;

    public HemfPlusImage.EmfPlusPixelFormat getPixelFormat() {
        return pixelFormat;

    public void setPixelFormat(HemfPlusImage.EmfPlusPixelFormat pixelFormat) {
        this.pixelFormat = pixelFormat;

    public boolean canRender(String contentType) {
        return true;

    public void loadImage(InputStream data, String contentType) throws IOException {
        img = readGDIImage(IOUtils.toByteArray(data));

    public void loadImage(byte[] data, String contentType) {
        img = readGDIImage(data);

     * Converts the gdi pixel data to a buffered image
     * @param data the image data of all EmfPlusImage parts
     * @return the BufferedImage
    public BufferedImage readGDIImage(final byte[] data) {
        int[] nBits, bOffs;
        switch (pixelFormat) {
            case ARGB_32BPP:
                nBits = new int[]{8, 8, 8, 8};
                bOffs = new int[]{2, 1, 0, 3};
            case RGB_24BPP:
                nBits = new int[]{8, 8, 8};
                bOffs = new int[]{2, 1, 0};
                throw new RuntimeException("not yet implemented");

        ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
        ComponentColorModel cm = new ComponentColorModel
            (cs, nBits, pixelFormat.isAlpha(), pixelFormat.isPreMultiplied(), Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE);
        PixelInterleavedSampleModel csm =
            new PixelInterleavedSampleModel(cm.getTransferType(), width, height, cm.getNumComponents(), stride, bOffs);

        DataBufferByte dbb = new DataBufferByte(data, data.length);
        WritableRaster raster = (WritableRaster) Raster.createRaster(csm, dbb, null);

        return new BufferedImage(cm, raster, cm.isAlphaPremultiplied(), null);



Or download all of them as a single archive file:

File name: poi-scratchpad-5.2.3-src.zip
File size: 1238744 bytes
Release date: 2022-09-09


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