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(float left, float top, float right, float bottom, @NonNull Paint paint) 

Source Link

Document

Draw the specified Rect using the specified paint.

Usage

From source file:com.example.guxiuzhong.pagerslidingtab_lib.PagerSlidingTabStrip.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    if (isInEditMode() || tabCount == 0) {
        return;/*from   w  w  w  .j  av a 2 s. co m*/
    }
    final int height = getHeight();

    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw indicator line
    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    // if there is an offset, start interpolating left and right coordinates between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();

        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
    }
    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);

    // draw divider

    dividerPaint.setColor(dividerColor);
    for (int i = 0; i < tabCount - 1; i++) {
        View tab = tabsContainer.getChildAt(i);
        canvas.drawLine(tab.getRight(), dividerPaddingTopBottom, tab.getRight(),
                height - dividerPaddingTopBottom, dividerPaint);
    }
}

---

From source file:com.easemob.easeui.widget.viewpagerindicator.PagerSlidingTabStrip.java

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

    if (isInEditMode() || tabCount == 0 || !isNeedToDoDraw) {
        return;//from w  ww.jav  a2s. com
    }

    final int height = getHeight();

    // draw underline
    rectPaint.setColor(underlineColor);
    canvas.drawRect(0, height - underlineHeight, tabsContainer.getWidth(), height, rectPaint);

    // draw indicator line
    rectPaint.setColor(indicatorColor);

    // default: line below current tab
    View currentTab = tabsContainer.getChildAt(currentPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    // if there is an offset, start interpolating left and right coordinates between current and next tab
    if (currentPositionOffset > 0f && currentPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();

        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
    }

    canvas.drawRect(
            lineLeft - (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2, EaseUI.displayMetrics),
            height - indicatorHeight,
            lineRight + (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2, EaseUI.displayMetrics),
            height, rectPaint);

    //        draw divider

    dividerPaint.setColor(dividerColor);
    //        for (int i = 0; i < tabCount - 1; i++) {
    //            View tab = tabsContainer.getChildAt(i);
    //            canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding,
    //                    dividerPaint);
    //        }

}

---

From source file:com.bobomee.android.gank.io.widget.CompactTabLayout.java

@Override
protected void dispatchDraw(Canvas canvas) {
    super.dispatchDraw(canvas);
    if (tabCount == 0) {
        return;/*from w  w w  .  j  av a2  s.  co  m*/
    }
    if (lastTabCount != tabCount) {
        measureTabWidths();
        lastTabCount = tabCount;
    }
    int offset = 0;
    for (int i = 0; i < selectedPosition; i++) {
        offset += tabWidths[i];
    }
    int tabWidth = tabWidths[selectedPosition];
    int indicatorWidth = tabWidth / 5;
    canvas.translate(offset, 0); //  N  tab 
    canvas.translate(indicatorLeftOffset * tabWidth, 0); //  N  tab ????
    canvas.save();
    canvas.translate(0, height - INDICATOR_HEIGHT); // ?
    int halfHoverWidth = tabWidth / 2 - indicatorWidth / 2;
    canvas.drawRect(-2, 0, halfHoverWidth, INDICATOR_HEIGHT + 9, hoverPaint);
    canvas.translate((tabWidth / 2 + indicatorWidth / 2), 0);
    canvas.drawRect(0, 0, halfHoverWidth * 2, INDICATOR_HEIGHT + 9, hoverPaint);
    canvas.restore();
}

---

From source file:com.mlxing.mlguide.adapter.base.recyclerview.DividerItemDecoration.java

public void drawVertical(Canvas c, RecyclerView parent) {
    final int left = parent.getPaddingLeft();
    final int right = parent.getWidth() - parent.getPaddingRight();

    final int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        android.support.v7.widget.RecyclerView v = new android.support.v7.widget.RecyclerView(
                parent.getContext());//from w w w .ja v  a2 s .  co  m
        final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
        final int top = child.getBottom() + params.bottomMargin;
        final int bottom = top + mDividerHeight;
        if (mDivider != null) {
            mDivider.setBounds(left, top, right, bottom);
            mDivider.draw(c);
        }
        if (mPaint != null) {
            c.drawRect(left, top, right, bottom, mPaint);
        }
    }
}

---

From source file:com.example.landy.projectbase.widget.recycleview.GridItemDividerDecoration.java

@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    if (parent.isAnimating())
        return;// w ww  . jav a 2s .  co  m

    final int childCount = parent.getChildCount();
    final RecyclerView.LayoutManager lm = parent.getLayoutManager();
    int spanCount = getSpanCount(parent);
    int itemCount = parent.getAdapter().getItemCount();

    for (int i = 0; i < childCount; i++) {
        final View child = parent.getChildAt(i);
        int itemPosition = lm.getPosition(child);
        RecyclerView.ViewHolder viewHolder = parent.getChildViewHolder(child);
        if (requiresDivider(viewHolder)) {
            final int right = lm.getDecoratedRight(child);
            final int bottom = lm.getDecoratedBottom(child);
            // draw the bottom divider
            if (!isLastRow(itemPosition, itemCount, spanCount)) {
                canvas.drawRect(lm.getDecoratedLeft(child), bottom - dividerSize, right, bottom, paint);
            }
            // draw the right edge divider
            if (!isLastColumn(itemPosition, spanCount)) {
                canvas.drawRect(right - dividerSize, lm.getDecoratedTop(child), right, bottom - dividerSize,
                        paint);
            }
        }
    }
}

---

From source file:ch.pantas.billsplitter.ui.FixedTabsView.java

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

    final int height = getHeight();

    rectPaint.setColor(indicatorColor);/*w ww . j  a  v  a2  s.  c om*/

    View currentTab = tabsContainer.getChildAt(currentTabPosition);
    float lineLeft = currentTab.getLeft();
    float lineRight = currentTab.getRight();

    if (currentPositionOffset > 0f && currentTabPosition < tabCount - 1) {

        View nextTab = tabsContainer.getChildAt(currentTabPosition + 1);
        final float nextTabLeft = nextTab.getLeft();
        final float nextTabRight = nextTab.getRight();

        lineLeft = (currentPositionOffset * nextTabLeft + (1f - currentPositionOffset) * lineLeft);
        lineRight = (currentPositionOffset * nextTabRight + (1f - currentPositionOffset) * lineRight);
    }

    canvas.drawRect(lineLeft, height - indicatorHeight, lineRight, height, rectPaint);

    dividerPaint.setColor(dividerColor);
    for (int i = 0; i < tabCount - 1; i++) {
        View tab = tabsContainer.getChildAt(i);
        canvas.drawLine(tab.getRight(), dividerPadding, tab.getRight(), height - dividerPadding, dividerPaint);
    }
}

---

From source file:com.metinkale.prayerapp.vakit.fragments.MainFragment.java

private void export(int csvpdf, LocalDate from, LocalDate to) throws IOException {
    File outputDir = getActivity().getCacheDir();
    if (!outputDir.exists())
        outputDir.mkdirs();//from  ww w  .  j a v a 2s  . c om
    File outputFile = new File(outputDir, mTimes.getName().replace(" ", "_") + (csvpdf == 0 ? ".csv" : ".pdf"));
    if (outputDir.exists())
        outputFile.delete();
    FileOutputStream outputStream;

    outputStream = new FileOutputStream(outputFile);
    if (csvpdf == 0) {
        outputStream.write("Date;Fajr;Shuruq;Dhuhr;Asr;Maghrib;Ishaa\n".getBytes());

        do {
            outputStream.write((from.toString("yyyy-MM-dd") + ";").getBytes());
            outputStream.write((mTimes.getTime(from, 0) + ";").getBytes());
            outputStream.write((mTimes.getTime(from, 1) + ";").getBytes());
            outputStream.write((mTimes.getTime(from, 2) + ";").getBytes());
            outputStream.write((mTimes.getTime(from, 3) + ";").getBytes());
            outputStream.write((mTimes.getTime(from, 4) + ";").getBytes());
            outputStream.write((mTimes.getTime(from, 5) + "\n").getBytes());
        } while (!(from = from.plusDays(1)).isAfter(to));
        outputStream.close();

    } else {
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) {
            PdfDocument document = new PdfDocument();

            PdfDocument.PageInfo pageInfo = null;
            int pw = 595;
            int ph = 842;
            pageInfo = new PdfDocument.PageInfo.Builder(pw, ph, 1).create();
            PdfDocument.Page page = document.startPage(pageInfo);
            Drawable launcher = Drawable.createFromStream(getActivity().getAssets().open("pdf/launcher.png"),
                    null);
            Drawable qr = Drawable.createFromStream(getActivity().getAssets().open("pdf/qrcode.png"), null);
            Drawable badge = Drawable.createFromStream(
                    getActivity().getAssets().open("pdf/badge_" + Prefs.getLanguage() + ".png"), null);

            launcher.setBounds(30, 30, 30 + 65, 30 + 65);
            qr.setBounds(pw - 30 - 65, 30 + 65 + 5, pw - 30, 30 + 65 + 5 + 65);
            int w = 100;
            int h = w * badge.getIntrinsicHeight() / badge.getIntrinsicWidth();
            badge.setBounds(pw - 30 - w, 30 + (60 / 2 - h / 2), pw - 30, 30 + (60 / 2 - h / 2) + h);

            Canvas canvas = page.getCanvas();

            Paint paint = new Paint();
            paint.setARGB(255, 0, 0, 0);
            paint.setTextSize(10);
            paint.setTextAlign(Paint.Align.CENTER);
            canvas.drawText("com.metinkale.prayer", pw - 30 - w / 2, 30 + (60 / 2 - h / 2) + h + 10, paint);

            launcher.draw(canvas);
            qr.draw(canvas);
            badge.draw(canvas);

            paint.setARGB(255, 61, 184, 230);
            canvas.drawRect(30, 30 + 60, pw - 30, 30 + 60 + 5, paint);

            if (mTimes.getSource().resId != 0) {
                Drawable source = getResources().getDrawable(mTimes.getSource().resId);

                h = 65;
                w = h * source.getIntrinsicWidth() / source.getIntrinsicHeight();
                source.setBounds(30, 30 + 65 + 5, 30 + w, 30 + 65 + 5 + h);
                source.draw(canvas);
            }

            paint.setARGB(255, 0, 0, 0);
            paint.setTextSize(40);
            paint.setTextAlign(Paint.Align.LEFT);
            canvas.drawText(getText(R.string.appName).toString(), 30 + 65 + 5, 30 + 50, paint);
            paint.setTextAlign(Paint.Align.CENTER);
            paint.setFakeBoldText(true);
            canvas.drawText(mTimes.getName(), pw / 2.0f, 30 + 65 + 50, paint);

            paint.setTextSize(12);
            int y = 30 + 65 + 5 + 65 + 30;
            int p = 30;
            int cw = (pw - p - p) / 7;
            canvas.drawText(getString(R.string.date), 30 + (0.5f * cw), y, paint);
            canvas.drawText(Vakit.IMSAK.getString(), 30 + (1.5f * cw), y, paint);
            canvas.drawText(Vakit.GUNES.getString(), 30 + (2.5f * cw), y, paint);
            canvas.drawText(Vakit.OGLE.getString(), 30 + (3.5f * cw), y, paint);
            canvas.drawText(Vakit.IKINDI.getString(), 30 + (4.5f * cw), y, paint);
            canvas.drawText(Vakit.AKSAM.getString(), 30 + (5.5f * cw), y, paint);
            canvas.drawText(Vakit.YATSI.getString(), 30 + (6.5f * cw), y, paint);
            paint.setFakeBoldText(false);
            do {
                y += 20;
                canvas.drawText((from.toString("dd.MM.yyyy")), 30 + (0.5f * cw), y, paint);
                canvas.drawText((mTimes.getTime(from, 0)), 30 + (1.5f * cw), y, paint);
                canvas.drawText((mTimes.getTime(from, 1)), 30 + (2.5f * cw), y, paint);
                canvas.drawText((mTimes.getTime(from, 2)), 30 + (3.5f * cw), y, paint);
                canvas.drawText((mTimes.getTime(from, 3)), 30 + (4.5f * cw), y, paint);
                canvas.drawText((mTimes.getTime(from, 4)), 30 + (5.5f * cw), y, paint);
                canvas.drawText((mTimes.getTime(from, 5)), 30 + (6.5f * cw), y, paint);
            } while (!(from = from.plusDays(1)).isAfter(to));
            document.finishPage(page);

            document.writeTo(outputStream);

            // close the document
            document.close();

        } else {
            Toast.makeText(getActivity(), R.string.versionNotSupported, Toast.LENGTH_LONG).show();
        }
    }

    Intent shareIntent = new Intent();
    shareIntent.setAction(Intent.ACTION_SEND);
    shareIntent.setType(csvpdf == 0 ? "text/csv" : "application/pdf");

    Uri uri = FileProvider.getUriForFile(getActivity(), "com.metinkale.prayer.fileprovider", outputFile);
    shareIntent.putExtra(Intent.EXTRA_STREAM, uri);

    startActivity(Intent.createChooser(shareIntent, getResources().getText(R.string.export)));
}

---

From source file:com.kmagic.solitaire.DrawMaster.java

/**
 * Draw a pedestal ( clubs and spades stand on this )
 * @param canvas canvas to draw on/* w  w  w. j ava2 s. c o m*/
 * @param width width of the pedestal
 * @param height height of the pedestal
 */
public void drawPedestal(final Canvas canvas, final float width, final float height) {
    final Paint paint = getBlackPaint();
    final float width_half = width / 2;
    final float width_fifth = width / 5;
    final float width_3_5ths = width_fifth * 3;
    final float height_5th = height / 5;
    canvas.drawRect(width_3_5ths, height_5th, width - width_3_5ths, height, paint);
    final Path path = new Path();
    path.moveTo(width_fifth, height);
    path.lineTo(width_half, height - height_5th);
    path.lineTo(width - width_fifth, height);
    path.lineTo(width_fifth, height);
    path.close();
    canvas.drawPath(path, paint);
}

---

From source file:banner.edgar.com.banner.UnderlinePageIndicator.java

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

    final int count = mPageCount;
    if (count == 0) {
        return;/*from w  ww.  ja v a 2 s.com*/
    }

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

    final int paddingLeft = getPaddingLeft();
    final float pageWidth = (getWidth() - paddingLeft - getPaddingRight()) / (1f * count);
    final float left = paddingLeft + pageWidth * (mCurrentPage + mPositionOffset);
    final float right = left + pageWidth;
    final float top = getPaddingTop();
    final float bottom = getHeight() - getPaddingBottom();
    canvas.drawRect(left, top, right, bottom, mPaint);
}

---

From source file:com.lyue.aw_jitpack_aar.app.zxing.zxing.view.ViewfinderView.java

@Override
public void onDraw(Canvas canvas) {
    //CameraManager
    Rect frame = CameraManager.get().getFramingRect();
    if (frame == null) {
        return;//from  w ww  . j a  v  a2 s. co  m
    }

    //
    if (!isFirst) {
        isFirst = true;
        slideTop = frame.top;
        slideBottom = frame.bottom;
    }

    //
    int width = canvas.getWidth();
    int height = canvas.getHeight();

    paint.setColor(resultBitmap != null ? resultColor : maskColor);

    //
    //
    canvas.drawRect(0, 0, width, frame.top, paint);
    canvas.drawRect(0, frame.top, frame.left, frame.bottom + 1, paint);
    canvas.drawRect(frame.right + 1, frame.top, width, frame.bottom + 1, paint);
    canvas.drawRect(0, frame.bottom + 1, width, height, paint);

    if (resultBitmap != null) {
        // Draw the opaque result bitmap over the scanning rectangle
        paint.setAlpha(OPAQUE);
        canvas.drawBitmap(resultBitmap, frame.left, frame.top, paint);
    } else {

        //8
        paint.setColor(Color.GREEN);
        canvas.drawRect(frame.left, frame.top, frame.left + ScreenRate, frame.top + CORNER_WIDTH, paint);
        canvas.drawRect(frame.left, frame.top, frame.left + CORNER_WIDTH, frame.top + ScreenRate, paint);
        canvas.drawRect(frame.right - ScreenRate, frame.top, frame.right, frame.top + CORNER_WIDTH, paint);
        canvas.drawRect(frame.right - CORNER_WIDTH, frame.top, frame.right, frame.top + ScreenRate, paint);
        canvas.drawRect(frame.left, frame.bottom - CORNER_WIDTH, frame.left + ScreenRate, frame.bottom, paint);
        canvas.drawRect(frame.left, frame.bottom - ScreenRate, frame.left + CORNER_WIDTH, frame.bottom, paint);
        canvas.drawRect(frame.right - ScreenRate, frame.bottom - CORNER_WIDTH, frame.right, frame.bottom,
                paint);
        canvas.drawRect(frame.right - CORNER_WIDTH, frame.bottom - ScreenRate, frame.right, frame.bottom,
                paint);

        //,SPEEN_DISTANCE

        slideTop += SPEEN_DISTANCE;
        if (slideTop >= frame.bottom) {
            slideTop = frame.top;
        }
        Rect lineRect = new Rect();
        lineRect.left = frame.left;
        lineRect.right = frame.right;
        lineRect.top = slideTop;
        lineRect.bottom = slideTop + 18;
        canvas.drawBitmap(
                ((BitmapDrawable) (getResources().getDrawable(R.drawable.aar_qrcode_scan_line))).getBitmap(),
                null, lineRect, paint);

        //
        paint.setColor(Color.WHITE);
        paint.setTextSize(TEXT_SIZE * density);
        paint.setAlpha(0x40);
        paint.setTypeface(Typeface.create("System", Typeface.BOLD));
        String text = getResources().getString(R.string.scan_text);
        float textWidth = paint.measureText(text);

        canvas.drawText(text, (width - textWidth) / 2,
                (float) (frame.bottom + (float) TEXT_PADDING_TOP * density), paint);

        Collection<ResultPoint> currentPossible = possibleResultPoints;
        Collection<ResultPoint> currentLast = lastPossibleResultPoints;
        if (currentPossible.isEmpty()) {
            lastPossibleResultPoints = null;
        } else {
            possibleResultPoints = new HashSet<ResultPoint>(5);
            lastPossibleResultPoints = currentPossible;
            paint.setAlpha(OPAQUE);
            paint.setColor(resultPointColor);
            for (ResultPoint point : currentPossible) {
                canvas.drawCircle(frame.left + point.getX(), frame.top + point.getY(), 6.0f, paint);
            }
        }
        if (currentLast != null) {
            paint.setAlpha(OPAQUE / 2);
            paint.setColor(resultPointColor);
            for (ResultPoint point : currentLast) {
                canvas.drawCircle(frame.left + point.getX(), frame.top + point.getY(), 3.0f, paint);
            }
        }

        //
        postInvalidateDelayed(ANIMATION_DELAY, frame.left, frame.top, frame.right, frame.bottom);

    }
}

---

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