Example usage for android.graphics Canvas drawRect

Introduction

In this page you can find the example usage for android.graphics Canvas drawRect.

Prototype

public void drawRect(@NonNull Rect r, @NonNull Paint paint) 

Source Link

Document

Draw the specified Rect using the specified Paint.

Usage

From source file:com.justwayward.reader.view.RVPIndicator.java

/**
 * (?view)/*  w w  w  .j a  v  a2s .  c  o m*/
 */
@Override
protected void dispatchDraw(Canvas canvas) {
    // ?
    canvas.save();

    switch (mIndicatorStyle) {

    case STYLE_BITMAP:

        canvas.translate(mTranslationX, 0);
        canvas.drawBitmap(mBitmap, null, mRectF, mPaint);

        break;
    case STYLE_LINE:

        canvas.translate(mTranslationX, getHeight() - mIndicatorHeight);
        canvas.drawRect(mRectF, mPaint);

        break;
    case STYLE_SQUARE:

        canvas.translate(mTranslationX, 0);
        canvas.drawRect(mRectF, mPaint);

        break;
    case STYLE_TRIANGLE:

        canvas.translate(mTranslationX, 0);
        // 
        // mPaint.setPathEffect(new CornerPathEffect(10));
        mPath = new Path();
        int midOfTab = getWidth() / mTabVisibleCount / 2;
        mPath.moveTo(midOfTab, getHeight() - mIndicatorHeight);
        mPath.lineTo(midOfTab - mIndicatorWidth / 2, getHeight());
        mPath.lineTo(midOfTab + mIndicatorWidth / 2, getHeight());
        mPath.close();
        canvas.drawPath(mPath, mPaint);

        break;
    }

    // ??
    canvas.restore();
    super.dispatchDraw(canvas);
}

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From source file:com.nextgis.maplibui.fragment.ReorderedLayerView.java

/**
 * Draws a black border over the screenshot of the view passed in.
 *//*from w w  w  .j  ava2  s .  com*/
protected Bitmap getBitmapWithBorder(View v) {
    Bitmap bitmap = getBitmapFromView(v);
    Canvas canvas = new Canvas(bitmap);

    Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    canvas.drawBitmap(bitmap, 0, 0, null);

    Paint paint = new Paint();
    paint.setStyle(Paint.Style.STROKE);
    paint.setStrokeWidth(LINE_THICKNESS);

    int accentColor = ControlHelper.getColor(getContext(), R.attr.colorAccent);

    paint.setColor(accentColor);
    canvas.drawRect(rect, paint);

    return bitmap;
}

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From source file:com.dgnt.dominionCardPicker.view.DynamicListView.java

/** Draws a black border over the screenshot of the view passed in. */
private Bitmap getBitmapWithBorder(View v) {
    Bitmap bitmap = getBitmapFromView(v);
    Canvas can = new Canvas(bitmap);

    Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    Paint paint = new Paint();
    paint.setStyle(Paint.Style.STROKE);
    paint.setStrokeWidth(LINE_THICKNESS);
    paint.setColor(ContextCompat.getColor(getContext(), R.color.colorAccent));

    can.drawBitmap(bitmap, 0, 0, null);/*from   w  w  w .  j a va 2  s  .  c  om*/
    can.drawRect(rect, paint);

    return bitmap;
}

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From source file:com.valtech.androidtoolkit.view.indicator.RectPageIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (mViewPager == null) {
        return;//from  w  w  w . j  ava2s  .  co m
    }
    final int count = mViewPager.getAdapter().getCount();
    if (count == 0) {
        return;
    }

    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }

    float dX;
    float dY;

    for (int iLoop = 0; iLoop < count; iLoop++) {
        dX = iLoop * rectSize;
        dY = 0;
        canvas.drawRect(new RectF(dX, dY, dX + rectSize, dY + 10), mPaintPageFill);
        canvas.drawRect(new RectF(dX, dY, dX + rectSize, dY + 10), mPaintStroke);
    }

    float cx = (mSnap ? mSnapPage : mCurrentPage);
    if (!mSnap && (mPageSize != 0)) {
        cx += (mCurrentOffset * 1.0f / mPageSize);
    }
    cx = ((mCurrentOffset * 1.0f) / width) * rectSize;

    dX = (mCurrentPage * rectSize) + cx;
    dY = 0;
    canvas.drawRect(new RectF(dX, dY, dX + rectSize, dY + 10), mPaintFill);
}

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From source file:app.axe.imooc.zxing.app.CaptureActivity.java

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of
 * the barcode./*from www  .  ja  va2s.  c o m*/
 *
 * @param barcode   A bitmap of the captured image.
 * @param rawResult The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, Result rawResult) {
    ResultPoint[] points = rawResult.getResultPoints();
    if (points != null && points.length > 0) {
        Canvas canvas = new Canvas(barcode);
        Paint paint = new Paint();
        paint.setColor(getResources().getColor(R.color.result_image_border));
        paint.setStrokeWidth(3.0f);
        paint.setStyle(Paint.Style.STROKE);
        Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
        canvas.drawRect(border, paint);

        paint.setColor(getResources().getColor(R.color.result_points));
        if (points.length == 2) {
            paint.setStrokeWidth(4.0f);
            drawLine(canvas, paint, points[0], points[1]);
        } else if (points.length == 4 && (rawResult.getBarcodeFormat().equals(BarcodeFormat.UPC_A))
                || (rawResult.getBarcodeFormat().equals(BarcodeFormat.EAN_13))) {
            // Hacky special case -- draw two lines, for the barcode and
            // metadata
            drawLine(canvas, paint, points[0], points[1]);
            drawLine(canvas, paint, points[2], points[3]);
        } else {
            paint.setStrokeWidth(10.0f);
            for (ResultPoint point : points) {
                canvas.drawPoint(point.getX(), point.getY(), paint);
            }
        }
    }
}

---

From source file:net.exclaimindustries.geohashdroid.wiki.WikiPictureEditor.java

private static void drawStrings(String[] strings, Canvas c, Paint textPaint, Paint backgroundPaint) {
    // FIXME: The math here is ugly and blunt and probably not too
    // efficient or flexible.  It might even fail.  This needs to be
    // fixed and made less-ugly later.

    // We need SOME strings.  If we've got nothing, bail out.
    if (strings.length < 1)
        return;/*  w  ww.jav a 2  s  . co m*/

    // First, init our variables.  This is as good a place as any to do so.
    Rect textBounds = new Rect();
    int[] heights = new int[strings.length];
    int totalHeight = INFOBOX_MARGIN * 2;
    int longestWidth = 0;

    // Now, loop through the strings, adding to the height and keeping track
    // of the longest width.
    int i = 0;
    for (String s : strings) {
        textPaint.getTextBounds(s, 0, s.length(), textBounds);
        if (textBounds.width() > longestWidth)
            longestWidth = textBounds.width();
        totalHeight += textBounds.height();
        heights[i] = textBounds.height();
        i++;
    }

    // Now, we have us a rectangle.  Draw that.
    Rect drawBounds = new Rect(c.getWidth() - longestWidth - (INFOBOX_MARGIN * 2), 0, c.getWidth(),
            totalHeight);

    c.drawRect(drawBounds, backgroundPaint);

    // Now, place each of the strings.  We'll assume the topmost one is in
    // index 0.  They should all be left-justified, too.
    i = 0;
    int curHeight = 0;
    for (String s : strings) {
        Log.d(DEBUG_TAG, "Drawing " + s + " at " + (drawBounds.left + INFOBOX_MARGIN) + ","
                + (INFOBOX_MARGIN + (INFOBOX_PADDING * (i + 1)) + curHeight));
        c.drawText(s, drawBounds.left + INFOBOX_MARGIN,
                INFOBOX_MARGIN + (INFOBOX_PADDING * (i + 1)) + curHeight, textPaint);
        curHeight += heights[i];
        i++;
    }
}

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From source file:com.vincestyling.traversaless_testcase.TopTabIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    if (mViewPager == null)
        return;/* w w  w . ja  v  a  2 s  .  co  m*/

    final int count = getCount();
    if (count == 0)
        return;

    Rect areaRect = new Rect();
    areaRect.left = getPaddingLeft();
    areaRect.right = getWidth() - getPaddingRight();
    areaRect.top = getPaddingTop();
    areaRect.bottom = getHeight() - getPaddingBottom();

    int btnWidth = areaRect.width() / count;

    Rect tabRect = new Rect(areaRect);
    tabRect.top = tabRect.height() - mUnderlineHeight;
    tabRect.left += (mScrollingToPage + mPageOffset) * btnWidth;
    tabRect.right = tabRect.left + btnWidth;
    mPaint.setColor(mUnderlineColor);
    canvas.drawRect(tabRect, mPaint);

    mPaint.setColor(mTextColor);
    mPaint.setTextSize(mTextSize);

    for (int pos = 0; pos < count; pos++) {
        tabRect.set(areaRect);
        tabRect.left += pos * btnWidth;
        tabRect.right = tabRect.left + btnWidth;

        String pageTitle = getPageTitle(pos);

        RectF bounds = new RectF(tabRect);
        bounds.right = mPaint.measureText(pageTitle, 0, pageTitle.length());
        bounds.bottom = mPaint.descent() - mPaint.ascent();

        bounds.left += (tabRect.width() - bounds.right) / 2.0f;
        bounds.top += (tabRect.height() - bounds.bottom) / 2.0f;

        canvas.drawText(pageTitle, bounds.left, bounds.top - mPaint.ascent(), mPaint);
    }
}

---

From source file:com.spatialnetworks.fulcrum.widget.DynamicListView.java

/**
 * Draws a black border over the screenshot of the view passed in.
 */// www .  j  ava  2  s.com
private Bitmap getBitmapWithBorder(View v) {
    Bitmap bitmap = getBitmapFromView(v);
    Canvas can = new Canvas(bitmap);

    Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    Paint paint = new Paint();
    paint.setStyle(Paint.Style.STROKE);
    paint.setStrokeWidth(LINE_THICKNESS);
    paint.setColor(ContextCompat.getColor(getContext(), R.color.gray_230));

    can.drawBitmap(bitmap, 0, 0, null);
    can.drawRect(rect, paint);

    return bitmap;
}

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From source file:com.example.sergey.currentweather.ui.fragment.MainFragment.java

private void initSwipe() {
    ItemTouchHelper.SimpleCallback simpleItemTouchCallback = new ItemTouchHelper.SimpleCallback(0,
            ItemTouchHelper.LEFT) {/*from ww  w. j a  v  a  2  s  .  c  om*/

        @Override
        public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder,
                RecyclerView.ViewHolder target) {
            return false;
        }

        @Override
        public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
            int position = viewHolder.getAdapterPosition();
            if (direction == ItemTouchHelper.LEFT) {
                deleteData(mCityListAdapter.removeItem(position));
            }
        }

        @Override
        public void onChildDraw(Canvas c, RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder,
                float dX, float dY, int actionState, boolean isCurrentlyActive) {
            Bitmap icon;
            if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
                View itemView = viewHolder.itemView;
                float height = (float) itemView.getBottom() - (float) itemView.getTop();
                float width = height / 3;
                if (dX < 0) {
                    mPoint.setColor(Color.parseColor("#D32F2F"));
                    RectF background = new RectF((float) itemView.getRight() + dX, (float) itemView.getTop(),
                            (float) itemView.getRight(), (float) itemView.getBottom());
                    c.drawRect(background, mPoint);
                    icon = BitmapFactory.decodeResource(getResources(), R.drawable.ic_delete_white);
                    RectF icon_dest = new RectF((float) itemView.getRight() - 2 * width,
                            (float) itemView.getTop() + width, (float) itemView.getRight() - width,
                            (float) itemView.getBottom() - width);
                    c.drawBitmap(icon, null, icon_dest, mPoint);
                }
            }
            super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
        }
    };
    ItemTouchHelper itemTouchHelper = new ItemTouchHelper(simpleItemTouchCallback);
    itemTouchHelper.attachToRecyclerView(mRecyclerView);
}

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From source file:com.home.library.vpi.TitlePageIndicator.java

public void setBackGroundColor(Canvas canvas) {
    if (mScrollState != ViewPager.SCROLL_STATE_IDLE) {
        mBackGroundPaint.setColor(mBackGroundColor);
    }/*  ww  w .j  av a2s  .c  o  m*/
    Rect bgRect = new Rect(getLeft(), getTop(), getRight(), getBottom());
    canvas.drawRect(bgRect, mBackGroundPaint);
}

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