package com.tistory.webnautes.image_cropper;
import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.DashPathEffect; import android.graphics.Paint; import android.graphics.Path; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.util.AttributeSet; import android.util.DisplayMetrics; import android.util.Log; import android.view.MotionEvent; import android.view.View;
import java.io.ByteArrayOutputStream; import java.util.ArrayList; import java.util.List;
public class SomeView extends View implements View.OnTouchListener { private Paint paint; public static List<Point> points; int DIST = 2; boolean flgPathDraw = true;
Point mfirstpoint = null; boolean bfirstpoint = false;
Point mlastpoint = null;
Bitmap bitmap; byte[] byteArray;
Context mContext; int height; int width;
public SomeView(Context c) { super(c);
mContext = c;
DisplayMetrics displayMetrics = new DisplayMetrics(); ((AppCompatActivity)mContext).getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); height = displayMetrics.heightPixels; width = displayMetrics.widthPixels;
Bitmap original = BitmapFactory.decodeResource(getResources(), R.drawable.apple); float scale = (float) ((width/(float)original.getWidth()));
int image_w = (int) (original.getWidth()*scale); int image_h = (int) (original.getHeight()*scale);
bitmap = Bitmap.createScaledBitmap(original, image_w, image_h, true);
ByteArrayOutputStream stream = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream); byteArray = stream.toByteArray();
setFocusable(true); setFocusableInTouchMode(true);
paint = new Paint(Paint.ANTI_ALIAS_FLAG); paint.setStyle(Paint.Style.STROKE); paint.setPathEffect(new DashPathEffect(new float[] { 10, 20 }, 0)); paint.setStrokeWidth(5); paint.setColor(Color.WHITE);
this.setOnTouchListener(this); points = new ArrayList<Point>();
bfirstpoint = false; }
public SomeView(Context context, AttributeSet attrs) { super(context, attrs); mContext = context; setFocusable(true); setFocusableInTouchMode(true);
paint = new Paint(Paint.ANTI_ALIAS_FLAG); paint.setStyle(Paint.Style.STROKE); paint.setStrokeWidth(2); paint.setColor(Color.WHITE);
this.setOnTouchListener(this); points = new ArrayList<Point>(); bfirstpoint = false;
}
public void onDraw(Canvas canvas) { canvas.drawBitmap(bitmap, 0, 0, null);
Path path = new Path(); boolean first = true;
for (int i = 0; i < points.size(); i += 2) { Point point = points.get(i); if (first) { first = false; path.moveTo(point.x, point.y); } else if (i < points.size() - 1) { Point next = points.get(i + 1); path.quadTo(point.x, point.y, next.x, next.y); } else { mlastpoint = points.get(i); path.lineTo(point.x, point.y); } } canvas.drawPath(path, paint); }
public boolean onTouch(View view, MotionEvent event) { // if(event.getAction() != MotionEvent.ACTION_DOWN) // return super.onTouchEvent(event);
Point point = new Point(); point.x = (int) event.getX(); point.y = (int) event.getY();
if (flgPathDraw) {
if (bfirstpoint) {
if (comparepoint(mfirstpoint, point)) { // points.add(point); points.add(mfirstpoint); flgPathDraw = false; showcropdialog(); } else { points.add(point); } } else { points.add(point); }
if (!(bfirstpoint)) {
mfirstpoint = point; bfirstpoint = true; } }
invalidate(); Log.e("Hi ==>", "Size: " + point.x + " " + point.y);
if (event.getAction() == MotionEvent.ACTION_UP) { Log.d("Action up*******~~~>>>>", "called"); mlastpoint = point; if (flgPathDraw) { if (points.size() > 12) { if (!comparepoint(mfirstpoint, mlastpoint)) { flgPathDraw = false; points.add(mfirstpoint); showcropdialog(); } } } }
return true; }
private boolean comparepoint(Point first, Point current) { int left_range_x = (int) (current.x - 3); int left_range_y = (int) (current.y - 3);
int right_range_x = (int) (current.x + 3); int right_range_y = (int) (current.y + 3);
if ((left_range_x < first.x && first.x < right_range_x) && (left_range_y < first.y && first.y < right_range_y)) { if (points.size() < 10) { return false; } else { return true; } } else { return false; }
}
public void fillinPartofPath() { Point point = new Point(); point.x = points.get(0).x; point.y = points.get(0).y;
points.add(point); invalidate(); }
public void resetView() { points.clear(); paint.setColor(Color.WHITE); paint.setStyle(Paint.Style.STROKE); flgPathDraw = true; invalidate(); }
private void showcropdialog() { DialogInterface.OnClickListener dialogClickListener = new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { Intent intent; switch (which) { case DialogInterface.BUTTON_POSITIVE: // Yes button clicked // bfirstpoint = false;
intent = new Intent(mContext, CropActivity.class); intent.putExtra("crop", true); intent.putExtra("image", byteArray); mContext.startActivity(intent); break;
case DialogInterface.BUTTON_NEGATIVE: // No button clicked
intent = new Intent(mContext, CropActivity.class); intent.putExtra("crop", false); intent.putExtra("image", byteArray); mContext.startActivity(intent);
bfirstpoint = false; // resetView();
break; } } };
AlertDialog.Builder builder = new AlertDialog.Builder(mContext); builder.setMessage("Do you Want to save Crop or Non-crop image?") .setPositiveButton("Crop", dialogClickListener) .setNegativeButton("Non-crop", dialogClickListener).show() .setCancelable(false); } }
class Point {
public float dy; public float dx; float x, y;
@Override public String toString() { return x + ", " + y; } } |