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Code Issues Packages Projects Releases Wiki Activity

Added barcode decoding

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This commit is contained in:
M66B
2024-02-08 10:58:45 +01:00
parent 25a165002c
commit d2445c70af
8 changed files with 103 additions and 19 deletions
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86
app/src/main/java/eu/faircode/email/AdapterMedia.java
View File

@@ -25,6 +25,7 @@ import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.pdf.PdfRenderer;
@@ -35,7 +36,10 @@ import android.os.Build;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.provider.MediaStore;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.style.StyleSpan;
import android.text.style.URLSpan;
import android.util.Pair;
import android.util.Size;
import android.view.LayoutInflater;
@@ -45,6 +49,7 @@ import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.core.text.method.LinkMovementMethodCompat;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Lifecycle;
import androidx.lifecycle.LifecycleObserver;
@@ -55,7 +60,16 @@ import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.ListUpdateCallback;
import androidx.recyclerview.widget.RecyclerView;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.NotFoundException;
import com.google.zxing.RGBLuminanceSource;
import com.google.zxing.Result;
import com.google.zxing.common.HybridBinarizer;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
@@ -84,6 +98,7 @@ public class AdapterMedia extends RecyclerView.Adapter<AdapterMedia.ViewHolder>
ivImage = itemView.findViewById(R.id.ivImage);
tvCaption = itemView.findViewById(R.id.tvCaption);
tvProperties = itemView.findViewById(R.id.tvProperties);
tvProperties.setMovementMethod(LinkMovementMethodCompat.getInstance());
}
private void wire() {
@@ -180,6 +195,7 @@ public class AdapterMedia extends RecyclerView.Adapter<AdapterMedia.ViewHolder>
} else {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
boolean webp = prefs.getBoolean("webp", true);
boolean barcode_preview = prefs.getBoolean("barcode_preview", true);
if ("image/webp".equalsIgnoreCase(type) && !webp)
return context.getDrawable(R.drawable.twotone_image_not_supported_24);
@@ -200,6 +216,24 @@ public class AdapterMedia extends RecyclerView.Adapter<AdapterMedia.ViewHolder>
Log.w(ex);
}
if (barcode_preview)
try (InputStream is = new FileInputStream(file)) {
Bitmap bitmap = BitmapFactory.decodeStream(is);
int width = bitmap.getWidth(), height = bitmap.getHeight();
int[] pixels = new int[width * height];
bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
BinaryBitmap bBitmap = new BinaryBitmap(new HybridBinarizer(source));
MultiFormatReader reader = new MultiFormatReader();
Result result = reader.decode(bBitmap);
args.putString("barcode", result.getText());
} catch (NotFoundException ex) {
Log.w(ex);
} catch (Throwable ex) {
Log.e(ex);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P &&
!"image/svg+xml".equals(type) &&
!"svg".equals(Helper.getExtension(file.getName())))
@@ -233,47 +267,65 @@ public class AdapterMedia extends RecyclerView.Adapter<AdapterMedia.ViewHolder>
ImageHelper.animate(context, image);
}
StringBuilder sb = new StringBuilder();
SpannableStringBuilder ssb = new SpannableStringBuilderEx();
int width = args.getInt("width");
int height = args.getInt("height");
if (width > 0 && height > 0)
sb.append(width)
ssb.append(Integer.toString(width))
.append("\u00d7") // ×
.append(height);
.append(Integer.toString(height));
if (BuildConfig.DEBUG) {
String color = args.getString("color");
if (color != null) {
if (sb.length() > 0)
sb.append(' ');
sb.append(color);
if (ssb.length() > 0)
ssb.append(' ');
ssb.append(color);
}
String config = args.getString("config");
if (config != null) {
if (sb.length() > 0)
sb.append(' ');
sb.append(config);
if (ssb.length() > 0)
ssb.append(' ');
ssb.append(config);
}
}
long size = args.getLong("size");
if (size > 0) {
if (sb.length() > 0)
sb.append(' ');
sb.append(Helper.humanReadableByteCount(size));
if (ssb.length() > 0)
ssb.append(' ');
ssb.append(Helper.humanReadableByteCount(size));
}
int duration = args.getInt("duration");
if (duration > 0) {
if (sb.length() > 0)
sb.append(' ');
sb.append(Helper.formatDuration(duration));
if (ssb.length() > 0)
ssb.append(' ');
ssb.append(Helper.formatDuration(duration));
}
if (sb.length() > 0) {
tvProperties.setText(sb);
String barcode = args.getString("barcode");
if (!TextUtils.isEmpty(barcode)) {
if (ssb.length() > 0)
ssb.append('\n');
int start = ssb.length();
ssb.append(barcode);
try {
Uri uri = UriHelper.guessScheme(Uri.parse(barcode));
if (UriHelper.isHyperLink(uri) || UriHelper.isMail(uri))
ssb.setSpan(new URLSpan(uri.toString()), start, ssb.length(), 0);
else
ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), 0);
} catch (Throwable ex) {
Log.e(ex);
}
}
if (ssb.length() > 0) {
tvProperties.setText(ssb);
tvProperties.setVisibility(View.VISIBLE);
}
}