Example usage for android.graphics Canvas drawText

List of usage examples for android.graphics Canvas drawText

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  4. android.graphics.*
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  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.jjoe64.graphview.GridLabelRenderer.java

/**
 * draws the vertical axis title if// w w  w  .  j a v  a2  s. co  m
 * it is set
 * @param canvas canvas
 */
protected void drawVerticalAxisTitle(Canvas canvas) {
    if (mVerticalAxisTitle != null && mVerticalAxisTitle.length() > 0) {
        mPaintAxisTitle.setColor(getVerticalAxisTitleColor());
        mPaintAxisTitle.setTextSize(getVerticalAxisTitleTextSize());
        float x = getVerticalAxisTitleWidth();
        float y = canvas.getHeight() / 2;
        canvas.save();
        canvas.rotate(-90, x, y);
        canvas.drawText(mVerticalAxisTitle, x, y, mPaintAxisTitle);
        canvas.restore();
    }
}

From source file:de.uni_weimar.mheinz.androidtouchscope.display.ScopeView.java

@Override
protected void onDraw(Canvas canvas) {
    mDrawableChan1.getPaint().clearShadowLayer();
    mDrawableChan1.getPaint().setStrokeWidth(1);
    mDrawableChan2.getPaint().clearShadowLayer();
    mDrawableChan2.getPaint().setStrokeWidth(1);

    switch (mSelectedPath) {
    case 1:/*from  ww  w  .  j av  a 2s .c om*/
        mDrawableChan1.getPaint().setShadowLayer(10f, 0f, 0f, HostView.CHAN1_COLOR);
        mDrawableChan1.getPaint().setStrokeWidth(1.5f);
        break;
    case 2:
        mDrawableChan2.getPaint().setShadowLayer(10f, 0f, 0f, HostView.CHAN2_COLOR);
        mDrawableChan2.getPaint().setStrokeWidth(1.5f);
        break;
    default:
        break;
    }

    mDrawableChan1.draw(canvas);
    mDrawableChan2.draw(canvas);
    mDrawableGridH.draw(canvas);
    mDrawableGridV.draw(canvas);
    canvas.drawText(mChan1Text, mTextPos.x, mTextPos.y, mChan1TextPaint);
    canvas.drawText(mChan1OffsetText, mTextPos.x, mTextPos.y - 20, mChan1TextPaint);
    canvas.drawText(mChan2Text, mTextPos.x + 150, mTextPos.y, mChan2TextPaint);
    canvas.drawText(mChan2OffsetText, mTextPos.x + 150, mTextPos.y - 20, mChan2TextPaint);
    canvas.drawText(mTimeOffsetText, mContentWidth - 5, mTextPos.y, mTimeOffsetTextPaint);
    canvas.drawText(mTimeText, mContentWidth - 100, mTextPos.y, mTimeTextPaint);

    if (mPrevTrig != null) {
        if (mPrevTrig.source == TriggerData.TriggerSrc.CHAN1)
            mTriggerTextPaint.setColor(HostView.CHAN1_COLOR);
        else if (mPrevTrig.source == TriggerData.TriggerSrc.CHAN2)
            mTriggerTextPaint.setColor(HostView.CHAN2_COLOR);
        else
            mTriggerTextPaint.setColor(HostView.TRIGGER_COLOR);
    }
    canvas.drawText(mTriggerText, mContentWidth - 5, 20, mTriggerTextPaint);

    canvas.drawText(mCursorText, mTextPos.x, 20, mCursorTextPaint);

    super.onDraw(canvas);
}

From source file:com.appeaser.sublimepickerlibrary.datepicker.SimpleMonthView.java

private void drawDaysOfWeek(Canvas canvas) {
    final TextPaint p = mDayOfWeekPaint;
    final int headerHeight = mMonthHeight;
    final int rowHeight = mDayOfWeekHeight;
    final int colWidth = mCellWidth;

    // Text is vertically centered within the day of week height.
    final float halfLineHeight = (p.ascent() + p.descent()) / 2f;
    final int rowCenter = headerHeight + rowHeight / 2;

    for (int col = 0; col < DAYS_IN_WEEK; col++) {
        final int colCenter = colWidth * col + colWidth / 2;
        final int colCenterRtl;
        if (SUtils.isLayoutRtlCompat(this)) {
            colCenterRtl = mPaddedWidth - colCenter;
        } else {//from  ww  w. j  a  va  2 s .  co  m
            colCenterRtl = colCenter;
        }

        final int dayOfWeek = (col + mWeekStart) % DAYS_IN_WEEK;
        final String label = getDayOfWeekLabel(dayOfWeek);
        canvas.drawText(label, colCenterRtl, rowCenter - halfLineHeight, p);
    }
}

From source file:com.lt.adamlee.aagame.GameView.java

public void help(Canvas c) {
    String x = "";
    float textsize = F.hf(19.0f);
    Paint p4 = new Paint();
    Paint p5 = new Paint();
    Paint p6 = new Paint();
    String text = ctx.getString(R.string.helptext);
    p4.setColor(getResources().getColor(R.color.bright_foreground_inverse_material_light));
    p4.setFlags(1);//from   w ww  .ja  va2  s . c  om
    p5.setTypeface(tf);
    p5.setTextSize(F.hf(30.0f));
    p6.setTextSize(textsize);
    p5.setColor(ViewCompat.MEASURED_STATE_MASK);
    c.drawRect(0.0f, 0.0f, (float) screenW, (float) screenH, p4);
    c.drawText(ctx.getString(R.string.help),
            ((float) (screenW / 2)) - (p5.measureText(ctx.getString(R.string.help)) / 2.0f),
            (float) (screenH / 8), p5);
    int i = 0;
    int xv1 = 0;
    int yv1 = (int) textsize;
    while (i < ctx.getString(R.string.helptext).length()) {
        if (text.charAt(i) != '$') {
            c.drawText("  " + ctx.getString(R.string.helptext).charAt(i), (float) xv1,
                    ((float) ((screenH / 8) + yv1)) + (4.0f * textsize), p6);
            xv1 = (int) (((float) xv1)
                    + p6.measureText(Character.toString(ctx.getString(R.string.helptext).charAt(i))));
        }
        if (ctx.getString(R.string.helptext).charAt(i) == '$') {
            i++;
            x = " ";
            yv1 = (int) (((float) yv1) + textsize);
            xv1 = 0;
        }
        i++;
    }
}

From source file:net.networksaremadeofstring.rhybudd.RhybuddDock.java

private void drawScale(Canvas canvas, Boolean Colors, int Count, int Max) {
    RectF faceRect = new RectF();
    faceRect.set(10, 10, 190, 190);/*from  w w  w  .ja  v  a 2s  .  c o  m*/

    Paint scalePaint = new Paint();
    scalePaint.setStyle(Paint.Style.STROKE);
    scalePaint.setColor(getResources().getColor(R.color.WarningGreen));
    scalePaint.setStrokeWidth(1);
    scalePaint.setAntiAlias(true);

    scalePaint.setTextSize(12);
    scalePaint.setTypeface(Typeface.createFromAsset(this.getAssets(), "fonts/chivo.ttf"));
    scalePaint.setTextAlign(Paint.Align.CENTER);

    float scalePosition = 10;
    RectF scaleRect = new RectF();
    scaleRect.set(faceRect.left + scalePosition, faceRect.top + scalePosition, faceRect.right - scalePosition,
            faceRect.bottom - scalePosition);

    if (!Colors)
        scalePaint.setColor(Color.WHITE);

    scalePaint.setStrokeWidth(2);
    canvas.save(Canvas.MATRIX_SAVE_FLAG);
    for (int i = 0; i < Max; ++i) {
        if (Colors) {
            if (i > 20)
                scalePaint.setColor(getResources().getColor(R.color.WarningYellow));

            if (i > 40)
                scalePaint.setColor(getResources().getColor(R.color.WarningOrange));

            if (i > 60)
                scalePaint.setColor(getResources().getColor(R.color.WarningRed));
        }

        canvas.drawLine(100, 20, 100, 18, scalePaint);
        int divisor = 5;

        if (Max > 100)
            divisor = 25;

        if (i % divisor == 0) {
            canvas.drawText(Integer.toString(i), 100, 16, scalePaint);
        }

        canvas.rotate((360.0f / Max), 100, 100);
    }

    canvas.restore();
}

From source file:cn.com.hgh.view.SlideSwitch.java

@Override
protected void onDraw(Canvas canvas) {
    if (shape == SHAPE_RECT) {
        //         paint.setColor(Color.GRAY);
        paint.setColor(0xffededed);//
        canvas.drawRect(backRect, paint);
        paint.setColor(color_theme);/*  w ww . ja  v  a2 s.  c om*/
        paint.setAlpha(alpha);
        canvas.drawRect(backRect, paint);
        frontRect.set(frontRect_left, RIM_SIZE, frontRect_left + getMeasuredWidth() / 2 - RIM_SIZE,
                getMeasuredHeight() - RIM_SIZE);
        paint.setColor(Color.WHITE);
        canvas.drawRect(frontRect, paint);
    } else {
        int radius;
        radius = backRect.height() / 2 - RIM_SIZE;
        //         paint.setColor(Color.GRAY);//
        paint.setColor(0xffededed);//

        backCircleRect.set(backRect);
        canvas.drawRoundRect(backCircleRect, radius, radius, paint);
        paint.setColor(Color.BLACK);
        paint.setTextSize(AbViewUtil.sp2px(getContext(), 15));
        //          paint.setAlpha(alpha);
        frontRect.set(frontRect_left, RIM_SIZE, frontRect_left + getMeasuredWidth() / 2 - RIM_SIZE,
                getMeasuredHeight() - RIM_SIZE);

        frontCircleRect.set(frontRect);
        paint.setColor(Color.WHITE);
        canvas.drawRoundRect(frontCircleRect, radius, radius, paint);
        if (isOpen) {

            //            canvas.drawText("?", radius, radius + 23, paint);//
            paint.setColor(Color.BLACK);
            paint.setTextAlign(Paint.Align.CENTER);
            canvas.drawText("?", width / 4 - RIM_SIZE, radius + 23, paint);//

        } else {
            //            canvas.drawText("?", getMeasuredWidth() - radius - 40 * 3,radius + 23, paint);
            paint.setColor(Color.BLACK);
            paint.setTextAlign(Paint.Align.CENTER);
            canvas.drawText("?", width - frontCircleRect.width() / 2 - RIM_SIZE, radius + 23, paint);
        }

        if (isOpen) {
            paint.setColor(0xff14c4c4);
            paint.setTextAlign(Paint.Align.CENTER);
            paint.getTextBounds("?", 0, "?".length(), frontRect);
            paint.setTextSize(AbViewUtil.sp2px(getContext(), 15));
            //              paint.setAlpha(alpha1);
            //            canvas.drawText("?", getMeasuredWidth() - radius - 40 * 3,radius + 23, paint);
            canvas.drawText("?", frontCircleRect.centerX(), radius + 23, paint);

        } else {

            paint.setColor(0xff14c4c4);
            paint.setTextAlign(Paint.Align.CENTER);
            paint.getTextBounds("?", 0, "?".length(), frontRect);
            paint.setTextSize(AbViewUtil.sp2px(getContext(), 15));
            //            paint.setAlpha(alpha1);
            //            canvas.drawText("?", radius, radius + 23, paint);
            canvas.drawText("?", frontCircleRect.centerX(), radius + 23, paint);

        }

    }
}

From source file:ir.hatamiarash.calendar.view.QiblaCompassView.java

public void drawDial(Canvas canvas) {
    // over here//from ww  w. j  ava2s  .c om
    circlePaint.reset();
    circlePaint.setColor(ContextCompat.getColor(getContext(), R.color.qibla_color));
    circlePaint.setStrokeWidth(1);
    circlePaint.setStyle(Paint.Style.STROKE); // Sadece Cember ciziyor.

    int textHeight = (int) textPaint.measureText("yY");
    markerPaint.reset();
    markerPaint.setColor(ContextCompat.getColor(getContext(), R.color.qibla_color));
    // Draw the background
    canvas.drawCircle(px, py, Radius, circlePaint);
    canvas.drawCircle(px, py, Radius - 20, circlePaint);
    // Rotate our perspective so that the "top" is
    // facing the current bearing.

    int textWidth = (int) textPaint.measureText("W");
    int cardinalX = px - textWidth / 2;
    int cardinalY = py - Radius + textHeight;

    // Draw the marker every 15 degrees and text every 45.
    for (int i = 0; i < 24; i++) {
        // Draw a marker.
        canvas.drawLine(px, py - Radius, px, py - Radius + 10, markerPaint);
        canvas.save();
        canvas.translate(0, textHeight);
        // Draw the cardinal points
        if (i % 6 == 0) {
            String dirString = "";
            switch (i) {
            case (0): {
                dirString = northString;
                break;
            }
            case (6):
                dirString = eastString;
                break;
            case (12):
                dirString = southString;
                break;
            case (18):
                dirString = westString;
                break;
            }
            canvas.drawText(dirString, cardinalX, cardinalY, textPaint);
        } else if (i % 3 == 0) {
            // Draw the text every alternate 45deg
            String angle = String.valueOf(i * 15);
            float angleTextWidth = textPaint.measureText(angle);
            int angleTextX = (int) (px - angleTextWidth / 2);
            int angleTextY = py - Radius + textHeight;
            canvas.drawText(angle, angleTextX, angleTextY, textPaint);
        }
        canvas.restore();
        canvas.rotate(15, px, py);
    }
}

From source file:com.byagowi.persiancalendar.view.QiblaCompassView.java

public void drawDial(Canvas canvas) {
    // over here// w ww  .  jav  a 2s . c o  m
    circlePaint.reset();
    circlePaint.setColor(ContextCompat.getColor(getContext(), R.color.qibla_color));
    circlePaint.setStrokeWidth(1);
    circlePaint.setStyle(Paint.Style.STROKE); // Sadece Cember ciziyor.

    int textHeight = (int) textPaint.measureText("yY");
    markerPaint.reset();
    markerPaint.setColor(ContextCompat.getColor(getContext(), R.color.qibla_color));
    // Draw the background
    canvas.drawCircle(px, py, Radius, circlePaint);
    canvas.drawCircle(px, py, Radius - 20, circlePaint);
    // Rotate our perspective so that the "top" is
    // facing the current bearing.

    int textWidth = (int) textPaint.measureText("W");
    int cardinalX = px - textWidth / 2;
    int cardinalY = py - Radius + textHeight;

    // Draw the marker every 15 degrees and text every 45.
    for (int i = 0; i < 24; i++) {
        // Draw a marker.
        canvas.drawLine(px, py - Radius, px, py - Radius + 10, markerPaint);
        canvas.save();
        canvas.translate(0, textHeight);
        // Draw the cardinal points
        if (i % 6 == 0) {
            String dirString = "";
            switch (i) {
            case (0): {
                dirString = northString;
                break;
            }
            case (6):
                dirString = eastString;
                break;
            case (12):
                dirString = southString;
                break;
            case (18):
                dirString = westString;
                break;
            }
            canvas.drawText(dirString, cardinalX, cardinalY, textPaint);
        } else if (i % 3 == 0) {
            // Draw the text every alternate 45deg
            String angle = String.valueOf(i * 15);
            float angleTextWidth = textPaint.measureText(angle);
            int angleTextX = (int) (px - angleTextWidth / 2);
            int angleTextY = py - Radius + textHeight;
            canvas.drawText(angle, angleTextX, angleTextY, textPaint);
        }
        canvas.restore();

        canvas.rotate(15, px, py);
    }

}

From source file:org.appspot.apprtc.util.ThumbnailsCacheManager.java

public static void LoadImage(final String url, ImageView image, final String displayname, final boolean rounded,
        boolean fromCache) {
    final WeakReference<ImageView> imageView = new WeakReference<ImageView>(image);
    final Handler uiHandler = new Handler();
    final int FG_COLOR = 0xFFFAFAFA;
    final String name = displayname;

    if (fromCache) {
        Bitmap bitmap = ThumbnailsCacheManager.getBitmapFromDiskCache(url);

        if (bitmap != null) {
            if (rounded) {
                RoundedBitmapDrawable roundedBitmap = RoundedBitmapDrawableFactory
                        .create(imageView.get().getResources(), bitmap);
                roundedBitmap.setCircular(true);
                imageView.get().setImageDrawable(roundedBitmap);
            } else {
                imageView.get().setImageBitmap(bitmap);
            }//from  w  w  w . ja v a  2  s  .  co  m
            imageView.get().setContentDescription(displayname);
            return;
        }
    }

    AsyncHttpURLConnection httpConnection = new AsyncHttpURLConnection("GET", url, "",
            new AsyncHttpURLConnection.AsyncHttpEvents() {
                @Override
                public void onHttpError(String errorMessage) {
                    Log.d("LoadImage", errorMessage);
                }

                @Override
                public void onHttpComplete(String response) {
                    int size = 96;
                    Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
                    Canvas canvas = new Canvas(bitmap);
                    final String trimmedName = name == null ? "" : name.trim();
                    drawTile(canvas, trimmedName, 0, 0, size, size);
                    ThumbnailsCacheManager.addBitmapToCache(url, bitmap);

                    onHttpComplete(bitmap);
                }

                @Override
                public void onHttpComplete(final Bitmap response) {
                    if (imageView != null && imageView.get() != null) {
                        uiHandler.post(new Runnable() {
                            @Override
                            public void run() {
                                if (imageView.get() != null) {
                                    if (rounded) {
                                        RoundedBitmapDrawable roundedBitmap = RoundedBitmapDrawableFactory
                                                .create(imageView.get().getResources(), response);
                                        roundedBitmap.setCircular(true);
                                        imageView.get().setImageDrawable(roundedBitmap);
                                    } else {
                                        imageView.get().setImageBitmap(response);
                                    }
                                    imageView.get().setContentDescription(displayname);
                                }

                            }

                        });

                    }
                }

                private boolean drawTile(Canvas canvas, String letter, int tileColor, int left, int top,
                        int right, int bottom) {
                    letter = letter.toUpperCase(Locale.getDefault());
                    Paint tilePaint = new Paint(), textPaint = new Paint();
                    tilePaint.setColor(tileColor);
                    textPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
                    textPaint.setColor(FG_COLOR);
                    textPaint.setTypeface(Typeface.create("sans-serif-light", Typeface.NORMAL));
                    textPaint.setTextSize((float) ((right - left) * 0.8));
                    Rect rect = new Rect();

                    canvas.drawRect(new Rect(left, top, right, bottom), tilePaint);
                    textPaint.getTextBounds(letter, 0, 1, rect);
                    float width = textPaint.measureText(letter);
                    canvas.drawText(letter, (right + left) / 2 - width / 2,
                            (top + bottom) / 2 + rect.height() / 2, textPaint);
                    return true;
                }

                private boolean drawTile(Canvas canvas, String name, int left, int top, int right, int bottom) {
                    if (name != null) {
                        final String letter = getFirstLetter(name);
                        final int color = ThumbnailsCacheManager.getColorForName(name);
                        drawTile(canvas, letter, color, left, top, right, bottom);
                        return true;
                    }
                    return false;
                }

            });
    httpConnection.setBitmap();
    httpConnection.send();
}

From source file:com.cssweb.android.view.TrendView.java

private void drawTimeX(Canvas canvas) {
    mpaint.setColor(GlobalColor.colorLabelName);
    mpaint.setTextAlign(Paint.Align.LEFT);
    if ("hk".equals(exchange)) {
        stime = "09:30";
        etime = "16:00";
    } else if ("cf".equals(exchange)) {
        stime = "09:15";
        etime = "15:15";
    } else if ("dc".equals(exchange) || "sf".equals(exchange) || "cz".equals(exchange)) {
        stime = "09:00";
        etime = "15:00";
    } else {//from   w w  w.j  av  a 2s .c om
        stime = "09:30";
        etime = "15:00";
    }
    canvas.drawText(stime, LSpace, graphicsQuoteHeight + topTitleHeight + axisLabelHeight, mpaint);
    //mpaint.setTextAlign(Paint.Align.CENTER);
    //canvas.drawText("11:30", graphicsQuoteWidth/2 + LSpace, graphicsQuoteHeight + topTitleHeight + axisLabelHeight, mpaint);
    mpaint.setTextAlign(Paint.Align.RIGHT);
    canvas.drawText(etime, width, graphicsQuoteHeight + topTitleHeight + axisLabelHeight, mpaint);
}