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Code Issues Packages Projects Releases Wiki Activity

Experiment: image editor

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M66B
2025-01-06 12:56:52 +01:00
parent ca11e6d9fe
commit 2bdd42ee54
12 changed files with 276 additions and 0 deletions
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172
app/src/main/java/eu/faircode/email/FragmentCompose.java
View File

@@ -26,6 +26,7 @@ import static android.view.inputmethod.EditorInfo.IME_FLAG_NO_FULLSCREEN;
import android.Manifest;
import android.app.Activity;
import android.app.Dialog;
import android.app.PendingIntent;
import android.content.ClipData;
import android.content.ClipboardManager;
@@ -79,6 +80,7 @@ import android.text.style.RelativeSizeSpan;
import android.text.style.URLSpan;
import android.util.Pair;
import android.util.TypedValue;
import android.view.GestureDetector;
import android.view.Gravity;
import android.view.HapticFeedbackConstants;
import android.view.KeyEvent;
@@ -135,6 +137,7 @@ import androidx.preference.PreferenceManager;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.canhub.cropper.CropImageView;
import com.google.android.material.bottomnavigation.BottomNavigationView;
import com.google.android.material.bottomnavigation.LabelVisibilityMode;
import com.google.android.material.snackbar.Snackbar;
@@ -819,6 +822,175 @@ public class FragmentCompose extends FragmentBase {
}
});
if (BuildConfig.DEBUG)
etBody.setOnTouchListener(new View.OnTouchListener() {
private final GestureDetector gestureDetector = new GestureDetector(getContext(),
new GestureDetector.SimpleOnGestureListener() {
@Override
public boolean onSingleTapConfirmed(@NonNull MotionEvent event) {
try {
Editable buffer = etBody.getText();
if (buffer == null)
return false;
int off = Helper.getOffset(etBody, buffer, event);
ImageSpan[] image = buffer.getSpans(off, off, ImageSpan.class);
if (image == null || image.length == 0)
return false;
String source = image[0].getSource();
if (source == null || !source.startsWith("cid:"))
return false;
long id = Long.parseLong(source.substring(source.lastIndexOf('.') + 1));
int start = buffer.getSpanStart(image[0]);
int end = buffer.getSpanEnd(image[0]);
Bundle args = new Bundle();
args.putLong("id", id);
args.putString("source", source);
args.putInt("start", start);
args.putInt("end", end);
args.putInt("zoom", zoom);
args.putLong("working", working);
new SimpleTask<EntityAttachment>() {
@Override
protected EntityAttachment onExecute(Context context, Bundle args) {
long id = args.getLong("id");
DB db = DB.getInstance(context);
return db.attachment().getAttachment(id);
}
@Override
protected void onExecuted(Bundle args, EntityAttachment attachment) {
if (attachment == null)
return;
Context context = etBody.getContext();
View dview = LayoutInflater.from(context).inflate(R.layout.dialog_edit_image, null);
ImageButton ibRotate = dview.findViewById(R.id.ibRotate);
ImageButton ibFlip = dview.findViewById(R.id.ibFlip);
ImageButton ibCancel = dview.findViewById(R.id.ibCancel);
ImageButton ibSave = dview.findViewById(R.id.ibSave);
CropImageView civ = dview.findViewById(R.id.civ);
Dialog dialog = new AlertDialog.Builder(context)
.setView(dview)
.create();
ibRotate.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
civ.rotateImage(90);
}
});
ibFlip.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
civ.flipImageHorizontally();
}
});
ibCancel.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
ibSave.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
new SimpleTask<Drawable>() {
@Override
protected Drawable onExecute(Context context, Bundle args) throws Throwable {
long id = args.getLong("id");
String source = args.getString("source");
int zoom = args.getInt("zoom");
long working = args.getLong("working");
DB db = DB.getInstance(context);
EntityAttachment attachment = db.attachment().getAttachment(id);
if (attachment == null)
return null;
Bitmap bm = civ.getCroppedImage();
if (bm == null)
return null;
File file = attachment.getFile(context);
try (OutputStream os = new BufferedOutputStream(new FileOutputStream(file))) {
bm.compress(Bitmap.CompressFormat.PNG, 90, os);
}
db.attachment().setName(id, attachment.name, "image/png", file.length());
return ImageHelper.decodeImage(context, working, source, true, zoom, 1.0f, etBody);
}
@Override
protected void onExecuted(Bundle args, Drawable d) {
if (d == null)
return;
String source = args.getString("source");
int start = args.getInt("start");
int end = args.getInt("end");
Editable buffer = etBody.getText();
if (buffer == null)
return;
ImageSpan[] image = buffer.getSpans(start, end, ImageSpan.class);
if (image == null || image.length == 0)
return;
int flags = buffer.getSpanFlags(image[0]);
buffer.removeSpan(image[0]);
buffer.setSpan(new ImageSpan(d, source), start, end, flags);
}
@Override
protected void onException(Bundle args, Throwable ex) {
Log.unexpectedError(getParentFragment(), ex);
}
}.execute(FragmentCompose.this, args, "save:image");
}
});
civ.setImageUriAsync(attachment.getUri(context));
dialog.show();
}
@Override
protected void onException(Bundle args, Throwable ex) {
Log.unexpectedError(getParentFragmentManager(), ex);
}
}.execute(FragmentCompose.this, args, "edit:image");
return true;
} catch (Throwable ex) {
Log.e(ex);
}
return false;
}
});
@Override
public boolean onTouch(View v, MotionEvent event) {
return gestureDetector.onTouchEvent(event);
}
});
if (compose_color != Color.TRANSPARENT)
tvSignature.setTextColor(compose_color);
tvSignature.setTypeface(StyleHelper.getTypeface(compose_font, getContext()));