What Is poi-scratchpad-5.2.3.jar?

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
Dependency: 
   poi.jar

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:

⏎ org/apache/poi/hwmf/record/HwmfBitmap16.java

/* ====================================================================
   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.hwmf.record;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.function.Supplier;

import org.apache.poi.common.usermodel.GenericRecord;
import org.apache.poi.util.IOUtils;
import org.apache.poi.util.LittleEndianConsts;
import org.apache.poi.util.LittleEndianInputStream;

public class HwmfBitmap16 implements GenericRecord {
    private final boolean isPartial;
    private int type;
    private int width;
    private int height;
    private int widthBytes;
    private int planes;
    private int bitsPixel;
    private byte[] bitmap;

    public HwmfBitmap16() {
        this(false);
    }
    
    public HwmfBitmap16(boolean isPartial) {
        this.isPartial = isPartial;
    }
    
    public int init(LittleEndianInputStream leis) throws IOException {
        // A 16-bit signed integer that defines the bitmap type.
        type = leis.readShort();
        
        // A 16-bit signed integer that defines the width of the bitmap in pixels.
        width = leis.readShort();
        
        // A 16-bit signed integer that defines the height of the bitmap in scan lines.
        height = leis.readShort();
        
        // A 16-bit signed integer that defines the number of bytes per scan line.
        widthBytes = leis.readShort();
        
        // An 8-bit unsigned integer that defines the number of color planes in the 
        // bitmap. The value of this field MUST be 0x01.
        planes = leis.readUByte();
        
        // An 8-bit unsigned integer that defines the number of adjacent color bits on 
        // each plane.
        bitsPixel = leis.readUByte();

        int size = 2*LittleEndianConsts.BYTE_SIZE+4*LittleEndianConsts.SHORT_SIZE;
        if (isPartial) {
            // Bits (4 bytes): This field MUST be ignored.
            long skipSize = leis.skip(LittleEndianConsts.INT_SIZE);
            assert(skipSize == LittleEndianConsts.INT_SIZE);
            // Reserved (18 bytes): This field MUST be ignored.
            skipSize = leis.skip(18);
            assert(skipSize == 18);
            size += 18+LittleEndianConsts.INT_SIZE;
        }

        int length = (((width * bitsPixel + 15) >> 4) << 1) * height;
        bitmap = IOUtils.toByteArray(leis, length);
        
        // TODO: this is not implemented ... please provide a sample, if it
        // ever happens to you, to come here ...
        
        return size;
    }

    public BufferedImage getImage() {
        return new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
    }

    @Override
    public Map<String, Supplier<?>> getGenericProperties() {
        final Map<String,Supplier<?>> m = new LinkedHashMap<>();
        m.put("isPartial", () -> isPartial);
        m.put("type", () -> type);
        m.put("width", () -> width);
        m.put("height", () -> height);
        m.put("widthBytes", () -> widthBytes);
        m.put("planes", () -> planes);
        m.put("bitsPixel", () -> bitsPixel);
        m.put("bitmap", () -> bitmap);
        return Collections.unmodifiableMap(m);
    }
}

⏎ org/apache/poi/hwmf/record/HwmfBitmap16.java

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
Download 

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