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/*
* Dungeons Guide - The most intelligent Hypixel Skyblock Dungeons Mod
* Copyright (C) 2021 cyoung06
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package kr.syeyoung.dungeonsguide.utils.cursor;
import com.google.common.io.LittleEndianDataInputStream;
import com.google.common.io.LittleEndianDataOutputStream;
import com.twelvemonkeys.imageio.plugins.bmp.CURImageReader;
import com.twelvemonkeys.imageio.plugins.bmp.CURImageReaderSpi;
import com.twelvemonkeys.imageio.plugins.bmp.ICOImageReader;
import lombok.Data;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class CursorReader {
public static List<CursorData> readFromInputStream(InputStream inputStream) throws IOException {
System.out.println(inputStream);
LittleEndianDataInputStream dataInputStream = new LittleEndianDataInputStream(new BufferedInputStream(inputStream));
dataInputStream.mark(Integer.MAX_VALUE);
int magicValue = dataInputStream.readUnsignedShort();
if (magicValue != 0) throw new RuntimeException("Invalid Cursor file");
int type = dataInputStream.readUnsignedShort();
if (type != 2) throw new RuntimeException("not cursor");
int size = dataInputStream.readShort();
List<CursorData> directoryList = new ArrayList<>();
for (int i = 0; i < size; i++) {
CursorData directory = new CursorData();
directory.setWidth((short) dataInputStream.readUnsignedByte());
directory.setHeight((short) dataInputStream.readUnsignedByte());
directory.setColorCnt((short) dataInputStream.readUnsignedByte());
directory.setMagicValue(dataInputStream.readByte());
directory.setXHotSpot(dataInputStream.readShort());
directory.setYHotSpot(dataInputStream.readShort());
directory.setSizeBitmap(dataInputStream.readInt() & 0x00000000ffffffffL);
directory.setOffset(dataInputStream.readInt() & 0x00000000ffffffffL);
directoryList.add(directory);
}
dataInputStream.reset();
try (ImageInputStream imageInputStream = ImageIO.createImageInputStream(dataInputStream)) {
CURImageReader imageReader = new CURImageReader();
imageReader.setInput(imageInputStream);
for (int i = 0; i < directoryList.size(); i++) {
directoryList.get(i).setBufferedImage(imageReader.read(i));
}
}
inputStream.close();
return directoryList;
}
private static void setIntLittleEndian(byte[] bytes, int index, int value) {
byte[] ins = new byte[] {
(byte) ((value >> 24)& 0xFF), (byte) ((value >> 16)& 0xFF), (byte) ((value >> 8)& 0xFF), (byte) (value & 0xFF)
};
bytes[index+3] = ins[0];
bytes[index+2] = ins[1];
bytes[index+1] = ins[2];
bytes[index] = ins[3];
}
@Data
public static class CursorData {
private short width, height, colorCnt, magicValue;
private int xHotSpot, yHotSpot;
private long sizeBitmap;
private long offset;
private BufferedImage bufferedImage;
}
}
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