Example usage for android.graphics Canvas drawText

Introduction

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

Prototype

public void drawText(@NonNull String text, float x, float y, @NonNull Paint paint) 

Source Link

Document

Draw the text, with origin at (x,y), using the specified paint.

Usage

From source file:jp.seesaa.android.datetimepicker.date.MonthView.java

protected void drawMonthDayLabels(Canvas canvas) {
    int y = getMonthHeaderSize() - (MONTH_DAY_LABEL_TEXT_SIZE / 2);
    final float dayWidthHalf = (mWidth - mEdgePadding * 2) / (mNumDays * 2.0f);

    for (int i = 0; i < mNumDays; i++) {
        int calendarDay = (i + mWeekStart) % mNumDays;
        final int x = (int) ((2 * i + 1) * dayWidthHalf + mEdgePadding);

        mDayLabelCalendar.set(Calendar.DAY_OF_WEEK, calendarDay);
        canvas.drawText(
                mDayLabelCalendar.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.SHORT, Locale.getDefault())
                        .toUpperCase(Locale.getDefault()),
                x, y, mMonthDayLabelPaint);
    }//w  ww .  j ava  2s . c  o  m
}

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From source file:com.example.nitish.welcomapp.widgetpt.PeriodicTableView.java

/**
 * Draw the headers and placeholders on the supplied Canvas.
 *
 * @param canvas The Canvas// w  ww . j a v a2s.c o m
 */
private void writeHeaders(@NonNull Canvas canvas) {
    mHeaderPaint.setTextSize(mBlockSize / 4);

    for (int i = 1; i <= mNumCols; i++) {
        canvas.drawText(String.valueOf(i), mBlockSize * i + mContentRect.left + mContentOffset.x,
                mPadding / 2 + mContentRect.top + mContentOffset.y, mHeaderPaint);
    }
    for (int i = 1; i <= mNumRows - 2; i++) {
        canvas.drawText(String.valueOf(i), mPadding / 2 + mContentRect.left + mContentOffset.x,
                mBlockSize * i + mContentRect.top + mContentOffset.y, mHeaderPaint);
    }

    canvas.drawText("57-71", mBlockSize * 3 + mContentRect.left + mContentOffset.x,
            mBlockSize * 6 + mContentRect.top + mContentOffset.y + mHeaderPaint.getTextSize() / 2,
            mHeaderPaint);

    canvas.drawText("89-103", mBlockSize * 3 + mContentRect.left + mContentOffset.x,
            mBlockSize * 7 + mContentRect.top + mContentOffset.y + mHeaderPaint.getTextSize() / 2,
            mHeaderPaint);
}

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From source file:org.ciasaboark.tacere.manager.NotificationManagerWrapper.java

private Bitmap createMarkerIcon(Drawable backgroundImage, String text, int width, int height) {

    Bitmap canvasBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    // Create a canvas, that will draw on to canvasBitmap.
    Canvas imageCanvas = new Canvas(canvasBitmap);

    // Draw the image to our canvas
    backgroundImage.draw(imageCanvas);//  w  w w  .java  2 s.  c om

    // Set up the paint for use with our Canvas
    TextPaint textPaint = new TextPaint(TextPaint.ANTI_ALIAS_FLAG | TextPaint.LINEAR_TEXT_FLAG);
    textPaint.setTextAlign(TextPaint.Align.CENTER);
    textPaint.setTypeface(Typeface.DEFAULT);
    textPaint.setTextSize(100f);
    textPaint.setColor(context.getResources().getColor(android.R.color.white));

    int xPos = (imageCanvas.getWidth() / 2);
    int yPos = (int) ((imageCanvas.getHeight() / 2) - ((textPaint.descent() + textPaint.ascent()) / 2));
    Rect r = new Rect();
    textPaint.getTextBounds(text, 0, text.length(), r);
    //        yPos += (Math.abs(r.height()))/2;

    // Draw the text on top of our image
    imageCanvas.drawText(text, xPos, yPos, textPaint);

    // Combine background and text to a LayerDrawable
    LayerDrawable layerDrawable = new LayerDrawable(
            new Drawable[] { backgroundImage, new BitmapDrawable(canvasBitmap) });
    Bitmap newBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    layerDrawable.setBounds(0, 0, width, height);
    layerDrawable.draw(new Canvas(newBitmap));
    return newBitmap;
}

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From source file:com.ickphum.android.isoview.IsoCanvas.java

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

    canvas.translate(-mOriginX, -mOriginY);

    for (int x = 0; x < 100; x++) {
        for (int y = 0; y < 100; y++) {
            canvas.save();//from   ww  w  . j  ava  2s .  co  m
            canvas.translate(-x * 7, -y * 7);
            canvas.drawPath(mPaths[0], mPaints[0]);
            //canvas.drawRect(0.0f, 0.0f, 5.0f, 5.0f, mPaints[0]);
            canvas.restore();
        }
    }

    canvas.drawLine(mContentRect.left, mContentRect.top, mContentRect.right, mContentRect.bottom,
            mBackgroundLinePaint);
    canvas.drawLine(mContentRect.left, mContentRect.bottom, mContentRect.right, mContentRect.top,
            mBackgroundLinePaint);

    for (int x = -1000; x < 1000; x += 200) {
        for (int y = -1000; y < 1000; y += 200) {
            canvas.drawText(x + "," + y, x, y, mBackgroundLinePaint);
        }
    }
}

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From source file:com.appsimobile.appsii.module.appsiagenda.MonthView.java

protected void drawMonthDayLabels(Canvas canvas) {
    int y = getMonthHeaderSize() - (MONTH_DAY_LABEL_TEXT_SIZE / 2);
    int dayWidthHalf = (mWidth - mEdgePadding * 2) / (mNumDays * 2);

    for (int i = 0; i < mNumDays; i++) {
        int calendarDay = (i + mWeekStart) % mNumDays;
        int x = (2 * i + 1) * dayWidthHalf + mEdgePadding;
        String displayCalendarDay = getWeekDayName(calendarDay);

        canvas.drawText(displayCalendarDay, x, y, mMonthDayLabelPaint);
    }//from   www.  ja va2s  .c  o  m
}

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From source file:com.borax12.materialdaterangepicker.single.date.MonthView.java

protected void drawMonthDayLabels(Canvas canvas) {
    int y = getMonthHeaderSize() - (MONTH_DAY_LABEL_TEXT_SIZE / 2);
    int dayWidthHalf = (mWidth - mEdgePadding * 2) / (mNumDays * 2);

    for (int i = 0; i < mNumDays; i++) {
        int x = (2 * i + 1) * dayWidthHalf + mEdgePadding;

        int calendarDay = (i + mWeekStart) % mNumDays;
        mDayLabelCalendar.set(Calendar.DAY_OF_WEEK, calendarDay);
        String weekString = getWeekDayLabel(mDayLabelCalendar);
        canvas.drawText(weekString, x, y, mMonthDayLabelPaint);
    }/*  w  w  w .j av a2  s. c o m*/
}

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From source file:com.xbm.android.matisse.internal.ui.widget.CheckView.java

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

    // draw outer and inner shadow
    initShadowPaint();/*from  ww w  .ja  va2s.  c  o m*/
    canvas.drawCircle((float) SIZE * mDensity / 2, (float) SIZE * mDensity / 2,
            (STROKE_RADIUS + STROKE_WIDTH / 2 + SHADOW_WIDTH) * mDensity, mShadowPaint);

    // draw white stroke
    canvas.drawCircle((float) SIZE * mDensity / 2, (float) SIZE * mDensity / 2, STROKE_RADIUS * mDensity,
            mStrokePaint);

    // draw content
    if (mCountable) {
        if (mCheckedNum != UNCHECKED) {
            initBackgroundPaint();
            canvas.drawCircle((float) SIZE * mDensity / 2, (float) SIZE * mDensity / 2, BG_RADIUS * mDensity,
                    mBackgroundPaint);
            initTextPaint();
            String text = String.valueOf(mCheckedNum);
            int baseX = (int) (canvas.getWidth() - mTextPaint.measureText(text)) / 2;
            int baseY = (int) (canvas.getHeight() - mTextPaint.descent() - mTextPaint.ascent()) / 2;
            canvas.drawText(text, baseX, baseY, mTextPaint);
        }
    } else {
        if (mChecked) {
            initBackgroundPaint();
            canvas.drawCircle((float) SIZE * mDensity / 2, (float) SIZE * mDensity / 2, BG_RADIUS * mDensity,
                    mBackgroundPaint);

            mCheckDrawable.setBounds(getCheckRect());
            mCheckDrawable.draw(canvas);
        }
    }

    // enable hint
    setAlpha(mEnabled ? 1.0f : 0.5f);
}

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From source file:br.com.mauker.materialseekbar.PinView.java

@Override
public void draw(Canvas canvas) {

    //Draw pin if pressed
    if (mPinRadiusPx > 0 && (mHasBeenPressed || !mIsTemporary)) {
        //            mBounds.set(
        //                    (int) mX - mPinRadiusPx,
        //                    (int) mY - (mPinRadiusPx * 2) - (int) mPinPadding,
        //                    (int) mX + mPinRadiusPx,
        //                    (int) mY - (int) mPinPadding
        //            );

        mBounds.set((int) mX - mPinRadiusPx, (int) mY - (mPinRadiusPx * 2) - (int) mPinPadding,
                (int) mX + mPinRadiusPx, (int) mY - (int) mPinPadding);

        mPin.setBounds(mBounds);//w ww  .java2  s  . c  om
        String text = mValue;

        calibrateTextSize(mTextPaint, text, mBounds.width());
        mTextPaint.getTextBounds(text, 0, text.length(), mBounds);
        mTextPaint.setTextAlign(Paint.Align.CENTER);
        mPin.setColorFilter(mPinFilter);
        mPin.draw(canvas);
        canvas.drawText(text, mX, mY - mPinRadiusPx - mPinPadding + mTextYPadding, mTextPaint);
    } else {
        canvas.drawCircle(mX, mY, mCircleRadiusPx, mCirclePaint);
    }
    super.draw(canvas);
}

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From source file:net.gsantner.opoc.util.ContextUtils.java

/**
 * Draw text in the center of the given {@link DrawableRes}
 * This may be useful for e.g. badge counts
 *//*  ww w. j av a2 s.  c  o  m*/
public Bitmap drawTextOnDrawable(@DrawableRes int drawableRes, String text, int textSize) {
    Resources resources = _context.getResources();
    float scale = resources.getDisplayMetrics().density;
    Bitmap bitmap = drawableToBitmap(drawableRes);

    bitmap = bitmap.copy(bitmap.getConfig(), true);
    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setColor(Color.rgb(61, 61, 61));
    paint.setTextSize((int) (textSize * scale));
    paint.setShadowLayer(1f, 0f, 1f, Color.WHITE);

    Rect bounds = new Rect();
    paint.getTextBounds(text, 0, text.length(), bounds);
    int x = (bitmap.getWidth() - bounds.width()) / 2;
    int y = (bitmap.getHeight() + bounds.height()) / 2;
    canvas.drawText(text, x, y, paint);

    return bitmap;
}

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From source file:org.holoeverywhere.widget.datetimepicker.date.SimpleMonthView.java

/**
 * Draws the week and month day numbers for this week. Override this method
 * if you need different placement./* w  w  w .  j a  v  a2 s. c  o m*/
 *
 * @param canvas The canvas to draw on
 */
protected void drawMonthNums(Canvas canvas) {
    int y = (((mRowHeight + MINI_DAY_NUMBER_TEXT_SIZE) / 2) - DAY_SEPARATOR_WIDTH) + MONTH_HEADER_SIZE;
    int dayWidthHalf = (mWidth - mPadding * 2) / (mNumDays * 2);
    int j = findDayOffset();
    for (int dayNumber = 1; dayNumber <= mNumCells; dayNumber++) {
        int x = (2 * j + 1) * dayWidthHalf + mPadding;
        if (mSelectedDay == dayNumber) {
            canvas.drawCircle(x, y - (MINI_DAY_NUMBER_TEXT_SIZE / 3), DAY_SELECTED_CIRCLE_SIZE,
                    mSelectedCirclePaint);
        }

        mMonthNumPaint.setColor(mHasToday && mToday == dayNumber ? mTodayNumberColor : mDayTextColor);
        canvas.drawText(String.format("%d", dayNumber), x, y, mMonthNumPaint);
        j++;
        if (j == mNumDays) {
            j = 0;
            y += mRowHeight;
        }
    }
}

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