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Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/qhybrid/ImageEditActivity.java
2021-01-10 23:38:13 +01:00

277 lines
10 KiB
Java

/* Copyright (C) 2020-2021 Daniel Dakhno
This file is part of Gadgetbridge.
Gadgetbridge 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.
Gadgetbridge 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 <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.devices.qhybrid;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.Toast;
import java.io.IOException;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.activities.AbstractGBActivity;
import nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.requests.fossil_hr.image.AssetImage;
import nodomain.freeyourgadget.gadgetbridge.service.devices.qhybrid.requests.fossil_hr.image.AssetImageFactory;
import nodomain.freeyourgadget.gadgetbridge.util.GB;
public class ImageEditActivity extends AbstractGBActivity implements View.OnTouchListener {
static final public int RESULT_CODE_EDIT_SUCCESS = 0;
ImageView overlay;
Canvas overlayCanvas;
Paint overlayPaint;
Bitmap overlayBitmap, mainBitmap;
float x = 0, y = 0, diameter = 0, imageDimension = 0;
int imageWidth, imageHeight;
private enum MovementState {
MOVE_UPPER_LEFT,
MOVE_LOWER_RIGHT,
MOVE_FRAME
}
private MovementState movementState;
float movementStartX, movementStartY, movementStartFrameX, movementStartFrameY, movementStartDiameter, leftUpperDeltaX, leftUpperDeltaY;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_qhybrid_image_edit);
final RelativeLayout mainLayout = findViewById(R.id.qhybrid_image_edit_container);
overlay = findViewById(R.id.qhybrid_image_edit_image_overlay);
overlay.setOnTouchListener(this);
findViewById(R.id.qhybrid_image_edit_okay).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finalizeImage();
}
});
mainLayout.post(new Runnable() {
@Override
public void run() {
try {
fitImageToLayout(mainLayout);
} catch (IOException | RuntimeException e) {
GB.log("Error formatting image", GB.ERROR, e);
GB.toast("Error formatting image", Toast.LENGTH_LONG, GB.ERROR);
finish();
}
}
});
}
private void finalizeImage(){
Bitmap cropped = Bitmap.createBitmap(this.mainBitmap, (int) this.x, (int) this.y, (int) this.diameter, (int) this.diameter);
Bitmap scaled = Bitmap.createScaledBitmap(cropped, 400, 400, false);
cropped.recycle();
try {
AssetImage image = AssetImageFactory.createAssetImage(scaled, false, 0, 0, 0);
Intent resultIntent = new Intent();
resultIntent.putExtra("EXTRA_PIXELS_ENCODED", image.getFileData());
setResult(RESULT_CODE_EDIT_SUCCESS, resultIntent);
finish();
} catch (IOException e) {
e.printStackTrace();
} finally {
scaled.recycle();
}
}
private void fitImageToLayout(RelativeLayout mainLayout) throws IOException, RuntimeException {
float containerHeight = mainLayout.getHeight();
float containerWidth = mainLayout.getWidth();
float containerRelation = containerHeight / containerWidth;
Bitmap bitmap = this.createImageFromURI();
float imageHeight = bitmap.getHeight();
float imageWidth = bitmap.getWidth();
float imageRelation = imageHeight / imageWidth;
float scaleRatio;
if(imageRelation > containerRelation){
scaleRatio = containerHeight / imageHeight;
}else{
scaleRatio = containerWidth / imageWidth;
}
int scaledHeight = (int)(imageHeight * scaleRatio);
int scaledWidth = (int)(imageWidth * scaleRatio);
this.imageHeight = scaledHeight;
this.imageWidth = scaledWidth;
this.imageDimension = this.diameter = Math.min(scaledHeight, scaledWidth);
mainBitmap = Bitmap.createScaledBitmap(bitmap, scaledWidth, scaledHeight, false);
ImageView mainImageView = findViewById(R.id.qhybrid_image_edit_image);
mainImageView.setImageBitmap(mainBitmap);
createOverlay(scaledWidth, scaledHeight);
}
private void createOverlay(int width, int height){
this.overlayBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_4444);
this.overlayCanvas = new Canvas(this.overlayBitmap);
this.overlayPaint = new Paint();
this.overlayPaint.setColor(Color.BLACK);
this.overlayPaint.setStyle(Paint.Style.STROKE);
this.overlayPaint.setStrokeWidth(imageDimension / 100);
renderOverlay();
}
private Bitmap createImageFromURI() throws IOException, RuntimeException {
Uri imageURI = getIntent().getData();
if (imageURI == null) {
throw new RuntimeException("no image attached");
}
ContentResolver resolver = getContentResolver();
Cursor c = resolver.query(imageURI, new String[]{MediaStore.Images.ImageColumns.ORIENTATION}, null, null, null);
c.moveToFirst();
int orientation = c.getInt(c.getColumnIndex(MediaStore.Images.ImageColumns.ORIENTATION));
c.close();
Bitmap bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), imageURI);
if (orientation != 0) {
Matrix matrix = new Matrix();
matrix.postRotate(90);
bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
}
return bitmap;
}
private void renderOverlay() {
overlayCanvas.drawColor(0, PorterDuff.Mode.CLEAR);
overlayCanvas.drawCircle(x, y, imageDimension / 15, overlayPaint);
overlayCanvas.drawCircle(x + diameter, y + diameter, imageDimension / 15, overlayPaint);
overlayCanvas.drawCircle(x + diameter / 2, y + diameter / 2, diameter / 2, overlayPaint);
overlay.setImageBitmap(overlayBitmap);
}
private void forceImageBoundaries(){
this.x = Math.max(this.x, 0);
this.y = Math.max(this.y, 0);
this.x = Math.min(this.x, this.imageWidth - diameter);
this.y = Math.min(this.y, this.imageHeight - diameter);
}
@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
if(motionEvent.getAction() == MotionEvent.ACTION_DOWN){
handleTouchDown(motionEvent);
}else if(motionEvent.getAction() == MotionEvent.ACTION_MOVE){
handleTouchMove(motionEvent);
}
return true;
}
private void handleTouchMove(MotionEvent motionEvent){
if(movementState == MovementState.MOVE_UPPER_LEFT){
float moveDeltaX = motionEvent.getX() - this.movementStartX;
float moveDeltaY = motionEvent.getY() - this.movementStartY;
float mid = (moveDeltaX + moveDeltaY) / 2;
this.diameter = this.movementStartDiameter - mid;
this.x = this.movementStartX + mid + this.leftUpperDeltaX;
this.y = this.movementStartY + mid + this.leftUpperDeltaY;
}else if(movementState == MovementState.MOVE_LOWER_RIGHT) {
float moveDeltaX = motionEvent.getX() - this.movementStartX;
float moveDeltaY = motionEvent.getY() - this.movementStartY;
float mid = (moveDeltaX + moveDeltaY) / 2;
this.diameter = this.movementStartDiameter + mid;
}else if(movementState == MovementState.MOVE_FRAME){
this.x = this.movementStartFrameX + (motionEvent.getX() - this.movementStartX);
this.y = this.movementStartFrameY + (motionEvent.getY() - this.movementStartY);
}
this.forceImageBoundaries();
renderOverlay();
}
private void handleTouchDown(MotionEvent motionEvent) {
this.movementStartX = motionEvent.getX();
this.movementStartY = motionEvent.getY();
this.movementStartFrameX = this.x;
this.movementStartFrameY = this.y;
this.movementStartDiameter = this.diameter;
final float threshold = imageDimension / 15;
float upperLeftDeltaX = this.x - motionEvent.getX();
float upperLeftDeltaY = this.y - motionEvent.getY();
float upperLeftDistance = (float) Math.sqrt(upperLeftDeltaX * upperLeftDeltaX + upperLeftDeltaY * upperLeftDeltaY);
if(upperLeftDistance < threshold){
// Toast.makeText(this, "upper left", 0).show();
this.leftUpperDeltaX = upperLeftDeltaX;
this.leftUpperDeltaY = upperLeftDeltaY;
this.movementState = MovementState.MOVE_UPPER_LEFT;
return;
}
float lowerLeftX = this.x + diameter;
float lowerLeftY = this.y + diameter;
float lowerRightDeltaX = lowerLeftX - motionEvent.getX();
float lowerRightDeltaY = lowerLeftY - motionEvent.getY();
float lowerRightDistance = (float) Math.sqrt(lowerRightDeltaX * lowerRightDeltaX + lowerRightDeltaY * lowerRightDeltaY);
if(lowerRightDistance < threshold){
// Toast.makeText(this, "lower right", 0).show();
this.movementState = MovementState.MOVE_LOWER_RIGHT;
return;
}
// Toast.makeText(this, "anywhere else", 0).show();
this.movementState = MovementState.MOVE_FRAME;
}
}