Example usage for android.graphics Rect unflattenFromString

Introduction

In this page you can find the example usage for android.graphics Rect unflattenFromString.

Prototype

public static Rect unflattenFromString(String str) 

Source Link

Document

Returns a Rect from a string of the form returned by #flattenToString , or null if the string is not of that form.

Usage

From source file:com.example.SmartBoard.DrawingView.java

@Override
protected void onDraw(Canvas canvas) {

    drawCanvas.drawPath(drawPath, drawPaint);
    drawCanvas.drawPath(drawPathRecv, drawPaintSender);

    if (rectMode) {
        //draw rectangle
        drawPaint.setXfermode(null);//  w  w  w .java 2  s  . c  o  m
        onDrawRectangle(canvas);
    } else if (circleMode) {
        drawPaint.setXfermode(null);
        onDrawCircle(canvas);
    } else if (lineMode) {
        drawPaint.setXfermode(null);
        onDrawLine(canvas);
    } else if (textMode) {
        drawPaint.setXfermode(null);
        onDrawText(canvas);
    } else if (dragMode && !dragFinished) {
        drawPaint.setXfermode(null);
        onDragDraw(canvas, dragX, dragY);
    } else if (colorDropperMode) {
        drawPaint.setXfermode(null);
        onDrawColorDropper(canvas, dropperX, dropperY);
    } else if (textSizeMode) {
        drawPaint.setXfermode(null);
    }

    canvas.drawBitmap(canvasBitmap, 0, 0, canvasPaint);

    //redraw objects

    Paint tempPaint = new Paint();
    tempPaint.setStyle(Paint.Style.STROKE);

    for (String key : textObjects.keySet()) {
        if (key.compareTo("") == 0) {
            continue;
        }
        JSONObject o = textObjects.get(key);

        tempPaint.setColor(o.optInt("color"));
        tempPaint.setStrokeWidth(o.optInt("size"));

        canvas.drawBitmap(mqtt.stringToBitmap(o.optString("textBitmap")), o.optInt("x"), o.optInt("y"),
                tempPaint);

    }

    for (String key : objectDrawables.keySet()) {
        //hashtable problems no time to explain. But it creates a duplicate of last item I add to the table.
        //So dont print duplicates which have empty string key values
        if (key.compareTo("") == 0) {
            continue;
        }
        JSONObject o = objectDrawables.get(key);

        String objectType = o.optString("type");
        tempPaint.setColor(o.optInt("color"));
        tempPaint.setStrokeWidth(o.optInt("size"));

        if (objectType.compareTo("Circle") == 0) {
            canvas.drawCircle(o.optInt("x"), o.optInt("y"), o.optInt("radius"), tempPaint);

        } else if (objectType.compareTo("Line") == 0) {
            canvas.drawLine(o.optInt("startx"), o.optInt("starty"), o.optInt("stopx"), o.optInt("stopy"),
                    tempPaint);

        } else if (objectType.compareTo("Rectangle") == 0) {
            canvas.drawRect(Rect.unflattenFromString(o.optString("dimens")), tempPaint);
        } else if (objectType.compareTo("Text") == 0) {
            //canvas.drawRect(Rect.unflattenFromString(o.optString("region")), drawPaint);
            canvas.drawBitmap(mqtt.stringToBitmap(o.optString("textBitmap")), o.optInt("x"), o.optInt("y"),
                    tempPaint);

        }
    }

}

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From source file:com.example.SmartBoard.DrawingView.java

public boolean onTouchDragEvent(MotionEvent event) {

    boolean handled = false;

    JSONObject mObjectTouched;/*from  www . jav  a 2s .  co  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;
}

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From source file:com.example.SmartBoard.DrawingView.java

private JSONObject getTouchedObject(final int xTouch, final int yTouch) {
    JSONObject touched = null;//from  w  ww . ja v  a  2s .c o m

    //makes textObjects preferable on selection for drag
    //search for text object first
    for (JSONObject textObject : textObjects.values()) {
        Rect region = Rect.unflattenFromString(textObject.optString("region"));
        //System.out.println(region);
        if (region.contains(xTouch, yTouch)) {

            touched = textObject;
            return touched;
        }
    }

    for (JSONObject object : objectDrawables.values()) {

        if (object.optString("type").compareTo("Circle") == 0) {
            int x = object.optInt("x");
            int y = object.optInt("y");
            int radius = object.optInt("radius");

            if ((x - xTouch) * (x - xTouch) + (y - yTouch) * (y - yTouch) <= radius * radius) {
                touched = object;
                break;
            }
        } else if (object.optString("type").compareTo("Rectangle") == 0) {
            Rect tempRect = Rect.unflattenFromString(object.optString("dimens"));
            if (tempRect.contains(xTouch, yTouch)) {
                touched = object;
                break;
            }
        } else if (object.optString("type").compareTo("Line") == 0) {

            double tempGradient = gradient(object.optInt("startx"), object.optInt("starty"), xTouch, yTouch);
            int startx = object.optInt("startx");
            int stopx = object.optInt("stopx");
            int starty = object.optInt("starty");
            int stopy = object.optInt("stopy");

            if (lengthOfLine(startx, starty, xTouch, yTouch)
                    + lengthOfLine(stopx, stopy, xTouch, yTouch) <= object.optDouble("length") + 5) {
                touched = object;
                break;
            }

        } else if (object.optString("type").compareTo("Text") == 0) {

            Rect region = Rect.unflattenFromString(object.optString("region"));
            //System.out.println(region);
            if (region.contains(xTouch, yTouch)) {

                touched = object;
                break;
            }
        }
    }

    return touched;
}

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