Example usage for android.graphics Paint Paint

Introduction

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

Prototype

public Paint() 

Source Link

Document

Create a new paint with default settings.

Usage

From source file:org.madmatrix.zxing.android.CaptureActivity.java

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of
 * the barcode./*from   w w  w .  j a va 2  s  .c o m*/
 * 
 * @param barcode
 *            A bitmap of the captured image.
 * @param scaleFactor
 *            amount by which thumbnail was scaled
 * @param rawResult
 *            The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, float scaleFactor, 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_points));
        if (points.length == 2) {
            paint.setStrokeWidth(4.0f);
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
        } else if (points.length == 4 && (rawResult.getBarcodeFormat() == BarcodeFormat.UPC_A
                || rawResult.getBarcodeFormat() == BarcodeFormat.EAN_13)) {
            // Hacky special case -- draw two lines, for the barcode and
            // metadata
            drawLine(canvas, paint, points[0], points[1], scaleFactor);
            drawLine(canvas, paint, points[2], points[3], scaleFactor);
        } else {
            paint.setStrokeWidth(10.0f);
            for (ResultPoint point : points) {
                if (point != null) {
                    canvas.drawPoint(scaleFactor * point.getX(), scaleFactor * point.getY(), paint);
                }
            }
        }
    }
}

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From source file:com.example.SmartBoard.DrawingView.java

@Override
protected void onDraw(Canvas canvas) {

    drawCanvas.drawPath(drawPath, drawPaint);
    drawCanvas.drawPath(drawPathRecv, drawPaintSender);

    if (rectMode) {
        //draw rectangle
        drawPaint.setXfermode(null);//  w  w  w.  ja  v  a2 s  .co m
        onDrawRectangle(canvas);
    } else if (circleMode) {
        drawPaint.setXfermode(null);
        onDrawCircle(canvas);
    } else if (lineMode) {
        drawPaint.setXfermode(null);
        onDrawLine(canvas);
    } else if (textMode) {
        drawPaint.setXfermode(null);
        onDrawText(canvas);
    } else if (dragMode && !dragFinished) {
        drawPaint.setXfermode(null);
        onDragDraw(canvas, dragX, dragY);
    } else if (colorDropperMode) {
        drawPaint.setXfermode(null);
        onDrawColorDropper(canvas, dropperX, dropperY);
    } else if (textSizeMode) {
        drawPaint.setXfermode(null);
    }

    canvas.drawBitmap(canvasBitmap, 0, 0, canvasPaint);

    //redraw objects

    Paint tempPaint = new Paint();
    tempPaint.setStyle(Paint.Style.STROKE);

    for (String key : textObjects.keySet()) {
        if (key.compareTo("") == 0) {
            continue;
        }
        JSONObject o = textObjects.get(key);

        tempPaint.setColor(o.optInt("color"));
        tempPaint.setStrokeWidth(o.optInt("size"));

        canvas.drawBitmap(mqtt.stringToBitmap(o.optString("textBitmap")), o.optInt("x"), o.optInt("y"),
                tempPaint);

    }

    for (String key : objectDrawables.keySet()) {
        //hashtable problems no time to explain. But it creates a duplicate of last item I add to the table.
        //So dont print duplicates which have empty string key values
        if (key.compareTo("") == 0) {
            continue;
        }
        JSONObject o = objectDrawables.get(key);

        String objectType = o.optString("type");
        tempPaint.setColor(o.optInt("color"));
        tempPaint.setStrokeWidth(o.optInt("size"));

        if (objectType.compareTo("Circle") == 0) {
            canvas.drawCircle(o.optInt("x"), o.optInt("y"), o.optInt("radius"), tempPaint);

        } else if (objectType.compareTo("Line") == 0) {
            canvas.drawLine(o.optInt("startx"), o.optInt("starty"), o.optInt("stopx"), o.optInt("stopy"),
                    tempPaint);

        } else if (objectType.compareTo("Rectangle") == 0) {
            canvas.drawRect(Rect.unflattenFromString(o.optString("dimens")), tempPaint);
        } else if (objectType.compareTo("Text") == 0) {
            //canvas.drawRect(Rect.unflattenFromString(o.optString("region")), drawPaint);
            canvas.drawBitmap(mqtt.stringToBitmap(o.optString("textBitmap")), o.optInt("x"), o.optInt("y"),
                    tempPaint);

        }
    }

}

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From source file:info.papdt.blacklight.support.Utility.java

public static int getFontHeight(Context context, float fontSize) {
    // Convert Dp To Px
    float px = context.getResources().getDisplayMetrics().density * fontSize + 0.5f;

    // Use Paint to get font height
    Paint p = new Paint();
    p.setTextSize(px);/*from   w  w  w .ja v a  2 s .co m*/
    FontMetrics fm = p.getFontMetrics();
    return (int) Math.ceil(fm.descent - fm.ascent);
}

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From source file:com.tealeaf.TeaLeaf.java

public Bitmap getBitmapFromView(EditText view) {
    //Define a bitmap with the same size as the view
    Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
    //Bind a canvas to it
    Canvas canvas = new Canvas(returnedBitmap);
    //Get the view's background
    Drawable bgDrawable = view.getBackground();
    if (bgDrawable != null) {
        //has background drawable, then draw it on the canvas
        bgDrawable.draw(canvas);//from  w  w  w . j  a v  a 2s . c  o m
    }
    // draw the view on the canvas
    view.draw(canvas);
    Paint p = new Paint();
    p.setColor(Color.BLACK);
    p.setTextSize(24);
    canvas.drawText("'ello mate", 0, 0, p);
    //return the bitmap
    return returnedBitmap;
}

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

private void drawGaugeTitle(Canvas canvas, String Title) {
    Paint titlePaint = new Paint();
    titlePaint.setStyle(Paint.Style.FILL_AND_STROKE);
    titlePaint.setColor(Color.LTGRAY);//0x9f004d0f
    titlePaint.setStrokeWidth(1);//0.005f
    titlePaint.setAntiAlias(true);/*w w  w .  j a  va  2 s  . c o m*/
    titlePaint.setTextSize(14);
    titlePaint.setTypeface(Typeface.createFromAsset(this.getAssets(), "fonts/chivo.ttf"));

    /*Path titlePath = new Path();
    titlePath.addArc(new RectF(40, 90, 196, 155), -180.0f, -180.0f);
    canvas.drawTextOnPath(Title, titlePath, 0.0f,0.0f, titlePaint);*/

    canvas.drawText(Title, 60, 160, titlePaint);
}

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From source file:com.longle1.facedetection.MainActivity.java

@Override
protected void onDraw(Canvas canvas) {
    Paint paint = new Paint();
    paint.setColor(Color.GREEN);/*from w ww .ja v a 2 s  .  com*/
    paint.setTextSize(20);

    String s = "FacePreview - This side up.";
    float textWidth = paint.measureText(s);
    canvas.drawText(s, (getWidth() - textWidth) / 2, 20, paint);

    if (faces != null) {
        paint.setStrokeWidth(5);
        paint.setStyle(Paint.Style.STROKE);
        float scaleX = (float) getWidth() / grayImage.width();
        float scaleY = (float) getHeight() / grayImage.height();
        int total = faces.total();
        for (int i = 0; i < total; i++) {
            CvRect r = new CvRect(cvGetSeqElem(faces, i));
            int x = r.x(), y = r.y(), w = r.width(), h = r.height();
            canvas.drawRect(x * scaleX, y * scaleY, (x + w) * scaleX, (y + h) * scaleY, paint);
        }
    }
}

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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 ww.j  a va2 s.  com

    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();
}

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From source file:ch.ethz.dcg.jukefox.manager.libraryimport.AndroidAlbumCoverFetcherThread.java

private void drawTextOnBitmap(CompleteAlbum album, Bitmap bitmapHigh, int bitmapSize, float textHeight) {
    Canvas canvas = new Canvas(bitmapHigh);
    canvas.drawARGB(0, 125, 125, 125);//from   ww w. j a va  2s.co m
    Paint paint = new Paint();
    paint.setColor(Color.BLACK);
    paint.setTypeface(Typeface.SERIF);
    paint.setSubpixelText(true);
    paint.setTextSize(textHeight);
    paint.setAntiAlias(true);
    String artist = album.getArtists().get(0).getName();
    String shortenedText = new String(artist);

    int textLength = artist.length();
    if (textLength > 18) {
        shortenedText = artist.substring(0, 15) + "...";
        textLength = 18;
    } else if (textLength < 8) {
        while (shortenedText.length() < 8) {
            shortenedText = " " + shortenedText + " ";
        }
    }
    float pixelLength = paint.measureText(shortenedText);
    paint.setTextSize(textHeight * (bitmapSize * 2 / 3) / pixelLength);

    canvas.drawText(shortenedText, bitmapSize / 6, bitmapSize / 3, paint);

    shortenedText = album.getName();
    textLength = album.getName().length();
    if (textLength > 18) {
        shortenedText = album.getName().substring(0, 15) + "...";
        textLength = 18;
    } else if (textLength < 8) {
        while (shortenedText.length() < 8) {
            shortenedText = " " + shortenedText + " ";
        }
    }
    paint.setTextSize(bitmapSize / 10f);
    pixelLength = paint.measureText(shortenedText);
    textHeight = textHeight * bitmapSize * 2f / 3f / pixelLength;
    paint.setTextSize(textHeight);

    canvas.drawText(shortenedText, bitmapSize / 6f, bitmapSize * 2 / 3f + textHeight, paint);
}

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From source file:net.exclaimindustries.geohashdroid.util.KnownLocation.java

@NonNull
private Bitmap buildMarkerBitmap(@NonNull Context c) {
    // Oh, this is going to be FUN.
    int dim = c.getResources().getDimensionPixelSize(R.dimen.known_location_marker_canvas_size);
    float radius = c.getResources().getDimension(R.dimen.known_location_pin_head_radius);

    Bitmap bitmap = Bitmap.createBitmap(dim, dim, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);

    Paint paint = new Paint();
    paint.setAntiAlias(true);/*from  w  w  w .j  a va  2  s .co m*/

    KnownLocationPinData pinData = new KnownLocationPinData(c, mLocation);

    // Draw the pin line first.  That goes from the bottom-center up to
    // wherever the radius and length take us.
    float topX = Double.valueOf((dim / 2) + (pinData.getLength() * Math.cos(pinData.getAngle()))).floatValue();
    float topY = Double.valueOf(dim - (pinData.getLength() * Math.sin(pinData.getAngle()))).floatValue();
    paint.setStrokeWidth(c.getResources().getDimension(R.dimen.known_location_stroke));
    paint.setStyle(Paint.Style.STROKE);
    paint.setColor(Color.BLACK);

    canvas.drawLine(dim / 2, dim, topX, topY, paint);

    // On the top of that line, fill in a circle.
    paint.setColor(pinData.getColor());
    paint.setStyle(Paint.Style.FILL);
    canvas.drawCircle(topX, topY, radius, paint);

    // And outline it.
    paint.setColor(Color.BLACK);
    paint.setStyle(Paint.Style.STROKE);
    canvas.drawCircle(topX, topY, radius, paint);

    return bitmap;
}

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

public void drawQuoteWin(Canvas canvas, JSONObject quoteData, int idx) throws JSONException {
    Paint mPaint = new Paint();
    mPaint.setTextAlign(Paint.Align.LEFT);
    mPaint.setStyle(Paint.Style.STROKE);
    mPaint.setTypeface(Typeface.DEFAULT_BOLD);
    mPaint.setAntiAlias(true);/*from w  ww  .ja  v a2s  . c o m*/

    mPaint.setColor(GlobalColor.colorKlinePopub);
    mPaint.setTextSize(sTextSize);
    canvas.drawText(":", 0, axisLabelHeight, mPaint);
    canvas.drawText(":", 0, axisLabelHeight * 3, mPaint);
    canvas.drawText(":", 0, axisLabelHeight * 5, mPaint);
    canvas.drawText(":", 0, axisLabelHeight * 7, mPaint);
    canvas.drawText(":", 0, axisLabelHeight * 9, mPaint);
    canvas.drawText(":", 0, axisLabelHeight * 11, mPaint);

    mPaint.setTextAlign(Paint.Align.RIGHT);
    String qt = quoteData.getJSONArray("K").getJSONArray(idx).getString(0);
    double jrkp = quoteData.getJSONArray("K").getJSONArray(idx).getDouble(1);
    double zg = quoteData.getJSONArray("K").getJSONArray(idx).getDouble(2);
    double zd = quoteData.getJSONArray("K").getJSONArray(idx).getDouble(3);
    double sp = quoteData.getJSONArray("K").getJSONArray(idx).getDouble(4);
    double preclose;
    if ("cf".equals(exchange) || "dc".equals(exchange) || "sf".equals(exchange) || "cz".equals(exchange)) {
        switch (idx) {
        case 0:
            preclose = quoteData.getJSONArray("K").getJSONArray(idx).getDouble(7);
            break;
        default:
            preclose = quoteData.getJSONArray("K").getJSONArray(idx - 1).getDouble(7);
            break;
        }
        if (quoteData.getJSONArray("K").length() == 1) {
            preclose = quoteData.getJSONArray("K").getJSONArray(0).getDouble(7);
        }
    } else {
        switch (idx) {
        case 0:
            preclose = quoteData.getJSONArray("K").getJSONArray(idx).getDouble(4);
            break;
        default:
            preclose = quoteData.getJSONArray("K").getJSONArray(idx - 1).getDouble(4);
            break;
        }
        if (quoteData.getJSONArray("K").length() == 1) {
            preclose = quoteData.getDouble("zrsp");//quoteData.getJSONArray("K").getJSONArray(0).getDouble(4);
        }
    }
    //      if(quoteData.getJSONArray("K").length()==1 && quoteData.getJSONObject("todayData")!=null){
    //         preclose = quoteData.getJSONObject("todayData").getDouble("zrsp");
    //      }
    mPaint.setColor(getcolor(jrkp, preclose));
    canvas.drawText(Utils.dataFormation(jrkp, stockdigit), klineX, axisLabelHeight * 2, mPaint);
    mPaint.setColor(getcolor(zg, preclose));
    canvas.drawText(Utils.dataFormation(zg, stockdigit), klineX, axisLabelHeight * 4, mPaint);
    mPaint.setColor(getcolor(zd, preclose));
    canvas.drawText(Utils.dataFormation(zd, stockdigit), klineX, axisLabelHeight * 6, mPaint);
    mPaint.setColor(getcolor(sp, preclose));
    canvas.drawText(Utils.dataFormation(sp, stockdigit), klineX, axisLabelHeight * 8, mPaint);
    double zhangdie = sp - preclose;
    if (zhangdie > 0)
        mPaint.setColor(GlobalColor.colorpriceUp);
    else if (zhangdie < 0)
        mPaint.setColor(GlobalColor.colorPriceDown);
    else
        mPaint.setColor(GlobalColor.colorPriceEqual);
    canvas.drawText(Utils.dataFormation(zhangdie, 1), klineX, axisLabelHeight * 10, mPaint);
    if (quoteData.getString("period").equals("min5") || quoteData.getString("period").equals("min15")
            || quoteData.getString("period").equals("min30") || quoteData.getString("period").equals("min60")) {
        qt = qt.substring(4, 6) + '/' + qt.substring(6, 8) + ' ' + qt.substring(8);
    } else {
        qt = qt.substring(2, 4) + qt.substring(4, 6) + qt.substring(6, 8);
    }
    mPaint.setColor(GlobalColor.colorLabelName);
    canvas.drawText(qt, klineX, axisLabelHeight * 12, mPaint);
}

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