import androidx.annotation.NonNull;
-import org.opencv.android.Utils;
-import org.opencv.core.Mat;
-import org.opencv.core.Size;
-import org.opencv.imgcodecs.Imgcodecs;
-
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
-import java.io.FileWriter;
-import java.io.InputStream;
-import java.nio.ByteBuffer;
-import java.util.Arrays;
-import static org.opencv.core.CvType.CV_16UC3;
-import static org.opencv.core.CvType.CV_8UC1;
-import static org.opencv.core.CvType.CV_8UC3;
-import static org.opencv.imgcodecs.Imgcodecs.IMREAD_COLOR;
public class CamTest implements View.OnClickListener, ILiveViewImage
{
private TextView textview;
private Connection connection;
private FileOutputStream outputStream = null;
- private FileWriter fileWriter = null;
- private int offsetSize = 0;
+ private int offsetSize = 18; // 4byte: データサイズ、14byte: (謎の)ヘッダ
public CamTest(@NonNull Activity activity)
{
showMessageText("BBBB");
}
- public void addValue()
+ public void valueUp()
{
- Log.v(TAG, "add value");
-
+ Log.v(TAG, "value UP");
offsetSize++;
- showMessageText(" OFFSET VALUE : " + offsetSize);
+ showMessageText("OFFSET : " + offsetSize);
}
- public void deleteValue()
+ public void valueDown()
{
- Log.v(TAG, "delete value");
-
+ Log.v(TAG, "value DOWN");
offsetSize--;
- showMessageText(" OFFSET VALUE : " + offsetSize);
+ showMessageText("OFFSET : " + offsetSize);
}
try
{
final byte[] dataValue = receivedData.getData();
- byte[] startJpegMarker = {(byte)0xff, (byte)0xd8};
- byte[] endJpegMarker = {(byte)0xff, (byte)0xd9};
+ //byte[] startJpegMarker = {(byte)0xff, (byte)0xd8};
+ //byte[] endJpegMarker = {(byte)0xff, (byte)0xd9};
Log.v(TAG, "Image : "+ dataValue.length + " bytes.");
/////// Bitmap画像を作る... //////
final Bitmap imageData = getBitmap(receivedData);
-/*
- final Bitmap imageData = BitmapFactory.decodeByteArray(dataValue, 18, (dataValue.length - 18));
- if (imageData == null)
+ if (imageData != null)
{
- Log.v(TAG, "imageData is null...");
- }
- else
- {
- Log.v(TAG, "imageData : " + imageData.getByteCount() + " bytes.");
- }
-*/
- ////// 画像を更新する
- activity.runOnUiThread(new Runnable() {
- @Override
- public void run() {
- try
- {
- // ビットマップイメージを表示する。
- ImageView view = activity.findViewById(R.id.imageView);
- view.setImageBitmap(imageData);
- view.invalidate();
- }
- catch (Throwable e)
- {
- e.printStackTrace();
+ ////// 画像を更新する
+ activity.runOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ // ビットマップイメージを表示する。
+ ImageView view = activity.findViewById(R.id.imageView);
+ view.setImageBitmap(imageData);
+ view.invalidate();
+ } catch (Throwable e) {
+ e.printStackTrace();
+ }
}
- }
- });
+ });
+ }
}
catch (Throwable e)
{
final byte[] byteData = receivedData.getData();
outputStream.write(byteData, 0, byteData.length);
}
- if (fileWriter != null)
- {
- final char[] charData = receivedData.getCharData();
- fileWriter.write(charData, 0, charData.length);
- fileWriter.flush();
- }
}
catch (Exception e)
{
private void prepareFile()
{
- boolean useStream = true;
try
{
final String directoryPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).getPath() + "/AirA01a/";
final String outputFileName = "camtest.bin";
File filepath = new File(directoryPath.toLowerCase(), outputFileName.toLowerCase());
- if (useStream) {
- outputStream = new FileOutputStream(filepath);
- fileWriter = null;
- } else {
- outputStream = null;
- fileWriter = new FileWriter(filepath);
- }
- }
+ outputStream = new FileOutputStream(filepath);
+ }
catch (Exception e)
{
e.printStackTrace();
outputStream = null;
- fileWriter = null;
}
}
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
- if (offsetSize < 0) {
readImageFileImpl(readFileName);
- } else {
- readImageFileImpl2nd(readFileName);
- }
}
});
try
}
}
- private void readImageFileImpl2nd(final String readFileName)
+
+ private Bitmap getBitmap(ReceivedDataHolder receivedData)
{
try
{
- Log.v(TAG, "readImageFileImpl2nd() : " + readFileName);
- final String directoryPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).getPath() + "/AirA01a/";
- File filepath = new File(directoryPath.toLowerCase(), readFileName.toLowerCase());
- InputStream istr = new FileInputStream(filepath);
-
- byte[] readBuffer = new byte[1024 * 1024];
- int dataSize = istr.read(readBuffer, 0, readBuffer.length);
- istr.close();
-
- for (offsetSize = 4096; offsetSize >= 0; offsetSize--)
+ final byte[] data = receivedData.getData();
+ final Bitmap imageData = BitmapFactory.decodeByteArray(data, offsetSize, (data.length - offsetSize));
+ if (imageData == null)
{
- try
- {
- Log.v(TAG, "readImageFileImpl2nd() : readSize is " + dataSize + ", offset : " + offsetSize);
-
- byte[] buffer = Arrays.copyOfRange(readBuffer, offsetSize, dataSize - offsetSize);
-
- // OpenCVのデータ型に変換
- Mat rawData = new Mat(1, buffer.length, CV_8UC3);
- rawData.put(0, 0, buffer);
- Mat decodedImage = Imgcodecs.imdecode(rawData, IMREAD_COLOR);
-
- final Bitmap imageData = Bitmap.createBitmap(decodedImage.width(), decodedImage.height(), Bitmap.Config.ARGB_8888);
- Utils.matToBitmap(decodedImage, imageData);
-
- Log.v(TAG, "readImageFileImpl2nd() : bitmap is " + imageData.getByteCount() + " bytes.");
-
- ////// 画像表示を更新する //////
- activity.runOnUiThread(new Runnable() {
- @Override
- public void run() {
- try
- {
- // ビットマップイメージを表示する。
- ImageView view = activity.findViewById(R.id.information_view);
- view.setImageBitmap(imageData);
- view.invalidate();
- }
- catch (Throwable e)
- {
- e.printStackTrace();
- }
- }
- });
- break;
- }
- catch (Throwable t)
- {
- t.printStackTrace();
- }
+ Log.v(TAG, "readImageFileImpl() : bitmap is NULL. (offset : " + offsetSize + ")");
}
- Log.v(TAG, "readImageFileImpl2nd() is finished.");
- offsetSize = 0;
- }
- catch (Throwable e)
- {
- e.printStackTrace();
- }
- }
-
-
-
- private Bitmap getBitmap(ReceivedDataHolder receivedData)
- {
- Bitmap bitmap;
- try {
- final ByteBuffer dataValue = receivedData.getByteBuffer();
- final int dataLength = receivedData.getLength();
-// final byte[] imageBytes = Arrays.copyOfRange(dataValue, 18, dataValue.length);
-
- // OpenCVのデータ型に変換
- Mat rawData = new Mat( 1,dataLength, CV_8UC3, dataValue);
- Mat decodedImage = Imgcodecs.imdecode(rawData, IMREAD_COLOR);
- bitmap = Bitmap.createBitmap(decodedImage.width(), decodedImage.height(), Bitmap.Config.ARGB_8888);
- org.opencv.android.Utils.matToBitmap(decodedImage, bitmap);
-
- rawData.release();
- decodedImage.release();
+ else
+ {
+ Log.v(TAG, "readImageFileImpl() : bitmap is " + imageData.getByteCount() + " bytes.");
+ }
+ return (imageData);
}
catch (Exception e)
{
e.printStackTrace();
- bitmap = null;
}
- return (bitmap);
+ return (null);
}
}
package net.osdn.gokigen.cameratest.fuji;
-import java.nio.ByteBuffer;
-import java.nio.CharBuffer;
-import java.nio.charset.Charset;
import java.util.Arrays;
/**
public class ReceivedDataHolder
{
private final byte[] data;
- private static final int DATA_OFFSET = 18;
- ReceivedDataHolder(byte[] data, int length)
- {
+ ReceivedDataHolder(byte[] data, int length) {
this.data = Arrays.copyOfRange(data, 0, length);
- }
-
- ReceivedDataHolder(char[] data, int length)
- {
- byte[] convertedData = toBytes(data);
- this.data = Arrays.copyOfRange(convertedData, 0, length);
- }
-
- public char[] getCharData()
- {
- String text = new String(data);
- return (text.toCharArray());
}
- public byte[] getData()
- {
+ public byte[] getData() {
return (data);
}
- public ByteBuffer getByteBuffer()
- {
- ByteBuffer dataBuffer = ByteBuffer.allocateDirect(data.length - DATA_OFFSET);
- dataBuffer.put(Arrays.copyOfRange(data, DATA_OFFSET, (data.length - DATA_OFFSET)));
- return (dataBuffer);
- }
-
- public int getLength()
- {
- return (data.length - DATA_OFFSET);
- }
-
- /**
- * char[]からbyte[]に変換する
- * (https://stackoverflow.com/questions/5513144/converting-char-to-byte より)
- */
- private byte[] toBytes(char[] chars)
- {
- CharBuffer charBuffer = CharBuffer.wrap(chars);
- ByteBuffer byteBuffer = Charset.forName("UTF-8").encode(charBuffer);
- byte[] bytes = Arrays.copyOfRange(byteBuffer.array(), byteBuffer.position(), byteBuffer.limit());
- Arrays.fill(byteBuffer.array(), (byte) 0x00);
- return (bytes);
- }
}
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