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Show Saved Snapshots in UI (#995)

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Add Camera Control tab to Cameras for the button to live in
This commit is contained in:
Sriman Achanta
2023-11-05 11:33:45 -05:00
committed by GitHub
parent 9370937280
commit 623b4e5b84
8 changed files with 277 additions and 10 deletions
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46
photon-server/src/main/java/org/photonvision/server/RequestHandler.java
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@@ -21,15 +21,14 @@ import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import io.javalin.http.Context;
import io.javalin.http.UploadedFile;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Optional;
import javax.imageio.ImageIO;
import org.apache.commons.io.FileUtils;
import org.photonvision.common.configuration.ConfigManager;
import org.photonvision.common.configuration.NetworkConfig;
@@ -526,6 +525,43 @@ public class RequestHandler {
ctx.status(204);
}
public static void onImageSnapshotsRequest(Context ctx) {
var snapshots = new ArrayList<HashMap<String, Object>>();
var cameraDirs = ConfigManager.getInstance().getImageSavePath().toFile().listFiles();
if (cameraDirs != null) {
try {
for (File cameraDir : cameraDirs) {
var cameraSnapshots = cameraDir.listFiles();
if (cameraSnapshots == null) continue;
String cameraUniqueName = cameraDir.getName();
for (File snapshot : cameraSnapshots) {
var snapshotData = new HashMap<String, Object>();
var bufferedImage = ImageIO.read(snapshot);
var buffer = new ByteArrayOutputStream();
ImageIO.write(bufferedImage, "jpg", buffer);
byte[] data = buffer.toByteArray();
snapshotData.put("snapshotName", snapshot.getName());
snapshotData.put("cameraUniqueName", cameraUniqueName);
snapshotData.put("snapshotData", data);
snapshots.add(snapshotData);
}
}
} catch (IOException e) {
ctx.status(500);
ctx.result("Unable to read saved images");
}
}
ctx.status(200);
ctx.json(snapshots);
}
/**
* Create a temporary file using the UploadedFile from Javalin.
*