Example usage for android.graphics Canvas drawText

List of usage examples for android.graphics Canvas drawText

  1. HOME
  2. Java
  3. android
  4. android.graphics.*
  5. Canvas
  6. 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:com.android.yijiang.kzx.widget.betterpickers.calendardatepicker.SimpleMonthView.java

private void drawMonthTitle(Canvas canvas) {
    int x = (mWidth + 2 * mPadding) / 2;
    int y = (sMonthHeaderSize - sMonthDayLabelTextSize) / 2 + (sMonthLabelTextSize / 3);
    canvas.drawText(getMonthAndYearString(), x, y, mMonthTitlePaint);
}

From source file:hide.com.android.datetimepicker.date.SimpleMonthView.java

private void drawMonthTitle(Canvas canvas) {
    int x = (mWidth + 2 * mPadding) / 2;
    int y = (MONTH_HEADER_SIZE - MONTH_DAY_LABEL_TEXT_SIZE) / 2 + (MONTH_LABEL_TEXT_SIZE / 3);
    canvas.drawText(Utils.getMonthAndYearString(mCalendar), x, y, mMonthTitlePaint);
}

From source file:iSoron.HistoryChart.java

private void drawSquare(Canvas canvas, RectF location, GregorianCalendar date, int checkmarkOffset) {
    if (checkmarkOffset >= checkmarks.length)
        pSquareBg.setColor(colors[0]);/*from w  w w. ja  v  a2s  .com*/
    else
        pSquareBg.setColor(colors[checkmarks[checkmarkOffset]]);

    pSquareFg.setColor(reverseTextColor);
    canvas.drawRect(location, pSquareBg);
    String text = Integer.toString(date.get(Calendar.DAY_OF_MONTH));
    canvas.drawText(text, location.centerX(), location.centerY() + squareTextOffset, pSquareFg);
}

From source file:io.doist.datetimepicker.date.SimpleMonthView.java

private void drawMonthTitle(Canvas canvas) {
    final float x = (mWidth + 2 * mPadding) / 2f;
    final float y = (mMonthHeaderSize - mMonthDayLabelTextSize) / 2f;
    canvas.drawText(getMonthAndYearString(), x, y, mMonthTitlePaint);
}

From source file:org.smart.library.widget.SlideSwitch.java

private void drawText(Canvas canvas, int radius) {
    if (TextUtils.isEmpty(mOnText) || TextUtils.isEmpty(mOffText)) {
        // /*from  w ww . jav a 2  s  .  c o  m*/
        paint.setColor(isOpen ? mOnTextColor : mOffTextColor);
        paint.setTextAlign(Align.CENTER);
        paint.setTextSize(mTextSize);
        canvas.drawText(isOpen ? mOnText : mOffText, isOpen ? radius : backRect.width() * 3 / 4,
                backRect.height() / 2 + RIM_SIZE, paint);
    }
}

From source file:com.sebible.cordova.videosnapshot.VideoSnapshot.java

private void drawTimestamp(Bitmap bm, String prefix, long timeMs, int textSize) {
    float w = bm.getWidth(), h = bm.getHeight();
    float size = (float) (textSize * bm.getWidth()) / 1280;
    float margin = (float) (w < h ? w : h) * 0.05f;

    Canvas c = new Canvas(bm);
    Paint p = new Paint();
    p.setColor(Color.WHITE);/*www .  ja  v  a2 s. co m*/
    p.setStrokeWidth((int) (size / 10));
    p.setTextSize((int) size); // Text Size
    p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_OVER)); // Text Overlapping Pattern

    long second = (timeMs / 1000) % 60;
    long minute = (timeMs / (1000 * 60)) % 60;
    long hour = (timeMs / (1000 * 60 * 60)) % 24;

    String text = String.format("%s %02d:%02d:%02d", prefix, hour, minute, second);
    Rect r = new Rect();
    p.getTextBounds(text, 0, text.length(), r);
    //c.drawBitmap(originalBitmap, 0, 0, paint);
    c.drawText(text, bm.getWidth() - r.width() - margin, bm.getHeight() - r.height() - margin, p);
}

From source file:com.savvasdalkitsis.betwixt.demo.InterpolatorView.java

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    canvas.drawColor(Color.WHITE);
    int inset = (getHeight() - rectHeight()) / 2;
    canvas.drawRect(getPaddingLeft(), getPaddingTop() + inset, getWidth() - getPaddingRight(),
            getHeight() - inset - getPaddingBottom(), rectPaint);
    float x = 0;/*from   w ww .  j a v a 2 s. c om*/
    float y = 0;
    for (int i = 0; i < STEPS; i++) {
        float newX = i / (float) STEPS;
        float newY = interpolator.getInterpolation(newX);
        if (i == 0) {
            x = newX;
            y = newY;
        }
        canvas.drawLine(x(x), y(y), x(newX), y(newY), paint);
        x = newX;
        y = newY;
    }
    canvas.drawText(description, getPaddingLeft() + textPaddingLeft, getHeight() - textHeight, textPaint);
    if (animating) {
        canvas.drawRect(getPaddingLeft(), getPaddingTop(), getWidth() - getPaddingRight(),
                getHeight() - getPaddingBottom(), dim);
        int areaWidth = getWidth() - getPaddingLeft() - getPaddingRight() - animationInset * 2;
        float circleX = getPaddingLeft() + animationInset + areaWidth * progress;
        linePath.reset();
        linePath.moveTo(getPaddingLeft() + animationInset, getPaddingTop());
        linePath.lineTo(getPaddingLeft() + animationInset, getHeight() - getPaddingBottom());
        linePath.moveTo(getWidth() - getPaddingRight() - animationInset, getPaddingTop());
        linePath.lineTo(getWidth() - getPaddingRight() - animationInset, getHeight() - getPaddingBottom());
        canvas.drawPath(linePath, linePaint);
        canvas.drawCircle(circleX, getHeight() / 2, radius, circlePaint);
    }
}

From source file:com.ruesga.rview.widget.MergedStatusChart.java

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

    // Bars//w w  w  .j  a  v  a 2s .c om
    canvas.drawRect(mOpenRect.left, mOpenRect.top,
            Math.min(mViewArea.width() * mAnimationDelta, mOpenRect.right), mOpenRect.bottom, mOpenPaint);
    canvas.drawRect(mMergedRect.left, mMergedRect.top,
            Math.min(mViewArea.width() * mAnimationDelta, mMergedRect.right), mMergedRect.bottom, mMergedPaint);
    canvas.drawRect(mAbandonedRect.left, mAbandonedRect.top,
            Math.min(mViewArea.width() * mAnimationDelta, mAbandonedRect.right), mAbandonedRect.bottom,
            mAbandonedPaint);

    // Number of items as text
    if (mAnimationDelta > .9f) {
        canvas.drawText(String.valueOf(mOpen), mOpenRect.left + mLabelPadding,
                mOpenRect.top + (mOpenRect.height() / 2) + (mLabelHeight / 2), mLabelPaint);
        canvas.drawText(String.valueOf(mMerged), mOpenRect.left + mLabelPadding,
                mMergedRect.top + (mMergedRect.height() / 2) + (mLabelHeight / 2), mLabelPaint);
        canvas.drawText(String.valueOf(mAbandoned), mOpenRect.left + mLabelPadding,
                mAbandonedRect.top + (mAbandonedRect.height() / 2) + (mLabelHeight / 2), mLabelPaint);
    }
}

From source file:Main.java

public static byte[] makeFontBitmap(String font, String code, int size, float[] arrayOfPos) {
    Canvas c = new Canvas();
    Paint p = new Paint();
    float density = context.getResources().getDisplayMetrics().density;
    //        Log.v(TAG, String.format("makeFontBitmap called(Java): font=%s code=%s density=%f", font, code, density));
    p.setTextSize((float) size * density);
    p.setAntiAlias(true);//w  ww  .j a  v a2 s .  c  o  m

    Rect textBounds = new Rect();
    p.getTextBounds(code, 0, code.length(), textBounds);
    //        Log.v(TAG, String.format("makeFontBitmap textBounds: %d,%d,%d,%d", textBounds.left, textBounds.top, textBounds.right, textBounds.bottom));

    Rect textBoundsAxA = new Rect();
    String axa = String.format("A%sA", code);
    p.getTextBounds(axa, 0, axa.length(), textBoundsAxA);
    Rect textBoundsAA = new Rect();
    String aa = "AA";
    p.getTextBounds(aa, 0, aa.length(), textBoundsAA);

    // cache.distDelta = Vec2(0, 0);
    arrayOfPos[0] = textBounds.left;
    arrayOfPos[1] = textBounds.top;

    // cache.srcWidth = Vec2(16, 16);
    arrayOfPos[2] = textBounds.width();
    arrayOfPos[3] = textBounds.height();

    // cache.step = 16;
    //      arrayOfPos[4] = textBounds.width() + 1;
    arrayOfPos[4] = textBoundsAxA.width() - textBoundsAA.width();

    if (textBounds.width() == 0 || textBounds.height() == 0) {
        Log.v(TAG, "makeFontBitmap: empty");
        return null;
    }

    Bitmap b = Bitmap.createBitmap(textBounds.width(), textBounds.height(), Bitmap.Config.ARGB_8888);
    c.setBitmap(b);

    Rect r = new Rect(0, 0, textBounds.width(), textBounds.height());
    //      p.setColor(Color.RED);
    p.setARGB(0, 0, 0, 0);
    c.drawRect(r, p);
    p.setARGB(255, 255, 255, 255);

    //        Log.v(TAG, "makeFontBitmap: drawText");
    c.drawText(code, -textBounds.left, -textBounds.top, p);
    //        Log.v(TAG, String.format("makeFontBitmap: w=%.2f h=%.2f", arrayOfPos[2], arrayOfPos[3]));

    ByteBuffer buf = ByteBuffer.allocate(textBounds.width() * textBounds.height() * 4);
    //        Log.v(TAG, String.format("makeFontBitmap: b.getRowBytes() %d", b.getRowBytes()));
    buf.position(0);
    b.copyPixelsToBuffer(buf);
    //        Log.v(TAG, String.format("makeFontBitmap results: capacity=%d", buf.capacity()));

    return buf.array();
}

From source file:com.android.datetimepicker.date.MonthView.java

protected void drawMonthTitle(Canvas canvas) {
    int x = (mWidth + 2 * mEdgePadding) / 2;
    int y = (getMonthHeaderSize() - MONTH_DAY_LABEL_TEXT_SIZE) / 2 + (MONTH_LABEL_TEXT_SIZE / 3);
    canvas.drawText(getMonthAndYearString(), x, y, mMonthTitlePaint);
}