List of usage examples for android.graphics Rect flattenToString
public String flattenToString()
From source file:com.example.SmartBoard.DrawingView.java
public boolean onTouchDragEvent(MotionEvent event) { boolean handled = false; JSONObject mObjectTouched;/*from w w w.j a v a2 s .c o m*/ int X; int Y; int pointerId; int actionIndex = event.getActionIndex(); //get coordinates and make object transparent switch (event.getActionMasked()) { case MotionEvent.ACTION_DOWN: dragFinished = false; //it's the first pointer, so clear all existing pointers data mObjectPointers.clear(); X = (int) event.getX(actionIndex); Y = (int) event.getY(actionIndex); dragX = X; dragY = Y; String objectType = ""; //check if we've touched inside some object mObjectTouched = getTouchedObject(X, Y); if (mObjectTouched == null) { return true; } else { objectType = getObjectType(mObjectTouched); } if (objectType.compareTo("Circle") == 0) { try { mObjectTouched.put("x", X); mObjectTouched.put("y", Y); } catch (JSONException e) { e.printStackTrace(); } } else if (objectType.compareTo("Rectangle") == 0) { Rect tempRect = Rect.unflattenFromString(mObjectTouched.optString("dimens")); tempRect.set(X, Y, X + tempRect.width(), Y + tempRect.height()); try { mObjectTouched.put("dimens", tempRect.flattenToString()); } catch (JSONException e) { } } else if (objectType.compareTo("Line") == 0) { if (lengthOfLine(X, Y, mObjectTouched.optInt("startx"), mObjectTouched.optInt("starty")) < lengthOfLine(X, Y, mObjectTouched.optInt("stopx"), mObjectTouched.optInt("stopy"))) { try { mObjectTouched.put("startx", X); mObjectTouched.put("starty", Y); mObjectTouched.put("length", lengthOfLine(X, Y, mObjectTouched.optInt("stopx"), mObjectTouched.optInt("stopy"))); } catch (JSONException e) { e.printStackTrace(); } dragLineStart = true; } else { try { mObjectTouched.put("stopx", X); mObjectTouched.put("stopy", Y); mObjectTouched.put("length", lengthOfLine(X, Y, mObjectTouched.optInt("startx"), mObjectTouched.optInt("starty"))); } catch (JSONException e) { e.printStackTrace(); } dragLineStart = false; } } else if (objectType.compareTo("Text") == 0) { try { mObjectTouched.put("x", X); mObjectTouched.put("y", Y); Rect tempRect = Rect.unflattenFromString(mObjectTouched.getString("region")); tempRect.set(X, Y, tempRect.width() + X, tempRect.height() + Y); mObjectTouched.put("region", tempRect.flattenToString()); } catch (JSONException e) { e.printStackTrace(); } } mObjectPointers.put(event.getPointerId(0), mObjectTouched); if (mObjectTouched != null) { mqtt.publishObject(mObjectTouched); } invalidate(); handled = true; break; case MotionEvent.ACTION_POINTER_DOWN: break; case MotionEvent.ACTION_MOVE: dragFinished = false; final int pointerCount = event.getPointerCount(); for (actionIndex = 0; actionIndex < pointerCount; actionIndex++) { //some pointer has moved, search it by pointer id pointerId = event.getPointerId(actionIndex); X = (int) event.getX(actionIndex); Y = (int) event.getY(actionIndex); dragX = X; dragY = Y; mObjectTouched = mObjectPointers.get(pointerId); if (mObjectTouched == null) continue; // if null no object was touched so skip if (mObjectTouched.optString("type").compareTo("Circle") == 0) { try { mObjectTouched.put("x", X); mObjectTouched.put("y", Y); } catch (JSONException e) { } } else if (mObjectTouched.optString("type").compareTo("Rectangle") == 0) { Rect tempRect = Rect.unflattenFromString(mObjectTouched.optString("dimens")); tempRect.set(X, Y, X + tempRect.width(), Y + tempRect.height()); try { mObjectTouched.put("dimens", tempRect.flattenToString()); } catch (JSONException e) { } } else if (mObjectTouched.optString("type").compareTo("Text") == 0) { try { mObjectTouched.put("x", X); mObjectTouched.put("y", Y); Rect tempRect = Rect.unflattenFromString(mObjectTouched.getString("region")); tempRect.set(X, Y, tempRect.width() + X, tempRect.height() + Y); mObjectTouched.put("region", tempRect.flattenToString()); } catch (JSONException e) { e.printStackTrace(); } } else if (mObjectTouched.optString("type").compareTo("Line") == 0) { if (dragLineStart) { try { mObjectTouched.put("startx", X); mObjectTouched.put("starty", Y); mObjectTouched.put("length", lengthOfLine(X, Y, mObjectTouched.optInt("stopx"), mObjectTouched.optInt("stopy"))); //mObjectTouched.put("stopx", tempStopX); // mObjectTouched.put("stopy", tempStopY); } catch (JSONException e) { e.printStackTrace(); } } else { try { mObjectTouched.put("stopx", X); mObjectTouched.put("stopy", Y); mObjectTouched.put("length", lengthOfLine(X, Y, mObjectTouched.optInt("startx"), mObjectTouched.optInt("starty"))); //mObjectTouched.put("stopx", tempStopX); // mObjectTouched.put("stopy", tempStopY); } catch (JSONException e) { e.printStackTrace(); } } } if (mObjectTouched != null) { mqtt.publishObject(mObjectTouched); } } invalidate(); handled = true; break; case MotionEvent.ACTION_UP: dragFinished = true; mObjectPointers.clear(); invalidate(); handled = true; break; case MotionEvent.ACTION_CANCEL: handled = true; break; default: // do nothing break; } return super.onTouchEvent(event) || handled; }
From source file:com.example.SmartBoard.DrawingView.java
public void onDrawText(Canvas canvas) { if (finished) { Bitmap bm = textToBitmap(textBoxData, drawPaint.getColor(), textPosX, textPosY, textViewSize); // create a rectangle to define the boundary Rect region = new Rect((int) textPosX - 5, (int) textPosY - 5, (int) textPosX + bm.getWidth() + 5, (int) textPosY + bm.getHeight() + 5); JSONObject textJson = new JSONObject(); try {//from w w w . j a v a2 s .c o m String key = UUID.randomUUID().toString(); textJson.put("type", "Text"); textJson.put("id", key); textJson.put("clientId", client.getClientId()); textJson.put("x", textPosX); textJson.put("y", textPosY); textJson.put("region", region.flattenToString()); textJson.put("color", drawPaint.getColor()); textJson.put("size", textViewSize); textJson.put("textBitmap", mqtt.bitmapToString(bm)); textJson.put("text", textBoxData); // objectDrawables.put(key, textJson); textObjects.put(key, textJson); } catch (JSONException e) { e.printStackTrace(); } mqtt.publishtext(textJson); finished = false; placed = true; } }
From source file:com.example.SmartBoard.DrawingView.java
public void onDrawRectangle(Canvas canvas) { Paint paint = drawPaint;/* w ww . ja v a2 s . c o m*/ if (points[3] == null) //point4 null when user did not touch and move on screen. return; int left, top, right, bottom; left = points[0].x; top = points[0].y; right = points[0].x; bottom = points[0].y; for (int i = 1; i < points.length; i++) { left = left > points[i].x ? points[i].x : left; top = top > points[i].y ? points[i].y : top; right = right < points[i].x ? points[i].x : right; bottom = bottom < points[i].y ? points[i].y : bottom; } //draw stroke paint.setStyle(Paint.Style.STROKE); // paint.setColor(Color.parseColor("#AADB1255")); paint.setStrokeWidth(5); if (finished) { Rect rect = new Rect(left + colorballs.get(0).getWidthOfBall() / 2, top + colorballs.get(0).getWidthOfBall() / 2, right + colorballs.get(2).getWidthOfBall() / 2, bottom + colorballs.get(2).getWidthOfBall() / 2); JSONObject objectProperties = new JSONObject(); String key = UUID.randomUUID().toString(); try { objectProperties.put("type", "Rectangle"); objectProperties.put("clientId", client.getClientId()); objectProperties.put("id", key); objectProperties.put("color", drawPaint.getColor()); objectProperties.put("size", 5); objectProperties.put("dimens", rect.flattenToString()); } catch (JSONException e) { } objectDrawables.put(key, objectProperties); mqtt.publishRectangle(objectProperties); //reset to start drawing again points = new Point[4]; colorballs.clear(); return; } //temporary canvas drawing on resize mode canvas.drawRect(left + colorballs.get(0).getWidthOfBall() / 2, top + colorballs.get(0).getWidthOfBall() / 2, right + colorballs.get(2).getWidthOfBall() / 2, bottom + colorballs.get(2).getWidthOfBall() / 2, paint); //draw the corners BitmapDrawable bitmap = new BitmapDrawable(); // draw the balls on the canvas paint.setTextSize(18); paint.setStrokeWidth(0); for (int i = 0; i < colorballs.size(); i++) { ColorBall ball = colorballs.get(i); canvas.drawBitmap(ball.getBitmap(), ball.getX(), ball.getY(), paint); // System.out.println("RectMode"); canvas.drawText("" + (i + 1), ball.getX(), ball.getY(), paint); } }