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:com.richtodd.android.quiltdesign.block.PaperPiecedBlockPiece.java

private Paint createShadowPaint(int left, int top, int width, int height, int shadowStrokeWidth) {
    List<PointF> points = getPoints(width, height);
    PointF fromPoint = new PointF(left + points.get(0).x, top + points.get(0).y);
    PointF toPoint = new PointF(left + points.get(1).x, top + points.get(1).y);

    PointF midpoint = new PointF((fromPoint.x + toPoint.x) * 0.5f, (fromPoint.y + toPoint.y) * 0.5f);

    PointF vector = new PointF(fromPoint.x - midpoint.x, fromPoint.y - midpoint.y);

    PointF rotatedVector = new PointF(vector.y, -vector.x);

    float vectorLength = (float) Math.sqrt((vector.x * vector.x) + (vector.y * vector.y));

    PointF shadowVector = new PointF(rotatedVector.x * (shadowStrokeWidth * 0.5f) / vectorLength,
            rotatedVector.y * (shadowStrokeWidth * 0.5f) / vectorLength);

    LinearGradient gradient = new LinearGradient(midpoint.x, midpoint.y, midpoint.x + shadowVector.x,
            midpoint.y + shadowVector.y, Color.argb(100, 0, 0, 0), Color.argb(0, 0, 0, 0), TileMode.MIRROR);

    Paint paint = new Paint();
    paint.setStyle(Style.STROKE);
    paint.setShader(gradient);//w w w .j  a va  2  s  .  c  om
    paint.setStrokeWidth(shadowStrokeWidth);
    paint.setStrokeCap(Cap.SQUARE);

    return paint;
}

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From source file:com.inmobi.ultrapush.AnalyzeActivity.java

public PopupWindow popupMenuCreate(String[] popUpContents, int resId) {

    // initialize a pop up window type
    PopupWindow popupWindow = new PopupWindow(this);

    // the drop down list is a list view
    ListView listView = new ListView(this);

    // set our adapter and pass our pop up window contents
    ArrayAdapter<String> aa = popupMenuAdapter(popUpContents);
    listView.setAdapter(aa);// ww  w .j a v  a2s.  c  om

    // set the item click listener
    listView.setOnItemClickListener(this);

    listView.setTag(resId); // button res ID, so we can trace back which button is pressed

    // get max text width
    Paint mTestPaint = new Paint();
    mTestPaint.setTextSize(listItemTextSize);
    float w = 0;
    float wi; // max text width in pixel
    for (int i = 0; i < popUpContents.length; i++) {
        String sts[] = popUpContents[i].split("::");
        String st = sts[0];
        if (sts.length == 2 && sts[1].equals("0")) {
            mTestPaint.setTextSize(listItemTitleTextSize);
            wi = mTestPaint.measureText(st);
            mTestPaint.setTextSize(listItemTextSize);
        } else {
            wi = mTestPaint.measureText(st);
        }
        if (w < wi) {
            w = wi;
        }
    }

    // left and right padding, at least +7, or the whole app will stop respond, don't know why
    w = w + 20 * DPRatio;
    if (w < 60) {
        w = 60;
    }

    // some other visual settings
    popupWindow.setFocusable(true);
    popupWindow.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
    // Set window width according to max text width
    popupWindow.setWidth((int) w);
    // also set button width
    ((Button) findViewById(resId)).setWidth((int) (w + 4 * DPRatio));
    // Set the text on button in updatePreferenceSaved()

    // set the list view as pop up window content
    popupWindow.setContentView(listView);

    return popupWindow;
}

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From source file:android.support.design.widget.TextInputLayout.java

private void updateInputLayoutMargins() {
    // Create/update the LayoutParams so that we can add enough top margin
    // to the EditText so make room for the label
    final LayoutParams lp = (LayoutParams) mInputFrame.getLayoutParams();
    final int newTopMargin;

    if (mHintEnabled) {
        if (mTmpPaint == null) {
            mTmpPaint = new Paint();
        }//from   ww  w  .  j a  v  a2s  .com
        mTmpPaint.setTypeface(mCollapsingTextHelper.getCollapsedTypeface());
        mTmpPaint.setTextSize(mCollapsingTextHelper.getCollapsedTextSize());
        newTopMargin = (int) -mTmpPaint.ascent();
    } else {
        newTopMargin = 0;
    }

    if (newTopMargin != lp.topMargin) {
        lp.topMargin = newTopMargin;
        mInputFrame.requestLayout();
    }
}

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From source file:app.axe.imooc.zxing.app.CaptureActivity.java

/**
 * Superimpose a line for 1D or dots for 2D to highlight the key features of
 * the barcode./*from ww  w  . j av  a  2  s.c  o m*/
 *
 * @param barcode   A bitmap of the captured image.
 * @param rawResult The decoded results which contains the points to draw.
 */
private void drawResultPoints(Bitmap barcode, 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_image_border));
        paint.setStrokeWidth(3.0f);
        paint.setStyle(Paint.Style.STROKE);
        Rect border = new Rect(2, 2, barcode.getWidth() - 2, barcode.getHeight() - 2);
        canvas.drawRect(border, paint);

        paint.setColor(getResources().getColor(R.color.result_points));
        if (points.length == 2) {
            paint.setStrokeWidth(4.0f);
            drawLine(canvas, paint, points[0], points[1]);
        } else if (points.length == 4 && (rawResult.getBarcodeFormat().equals(BarcodeFormat.UPC_A))
                || (rawResult.getBarcodeFormat().equals(BarcodeFormat.EAN_13))) {
            // Hacky special case -- draw two lines, for the barcode and
            // metadata
            drawLine(canvas, paint, points[0], points[1]);
            drawLine(canvas, paint, points[2], points[3]);
        } else {
            paint.setStrokeWidth(10.0f);
            for (ResultPoint point : points) {
                canvas.drawPoint(point.getX(), point.getY(), paint);
            }
        }
    }
}

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From source file:com.mappn.gfan.ui.HomeTabActivity.java

private Bitmap drawText(DisplayMetrics dm, Resources res, Bitmap bm, int num) {
    final int height = bm.getScaledHeight(dm);
    final int width = bm.getScaledWidth(dm);
    Bitmap newBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(newBitmap);
    canvas.drawBitmap(bm, new Matrix(), new Paint());
    Paint textPainter = new Paint(Paint.ANTI_ALIAS_FLAG);
    textPainter.setColor(res.getColor(R.color.tab_app_num));
    textPainter.setTextSize(dm.scaledDensity * 12);
    textPainter.setTypeface(Typeface.DEFAULT_BOLD);
    float textWidth = textPainter.measureText(String.valueOf(num)) / 2;
    canvas.drawText(String.valueOf(num), width / 2 - textWidth, height / 2 + (dm.scaledDensity * 6),
            textPainter);//from w w w . ja va2  s. c om
    canvas.save();
    return newBitmap;
}

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From source file:com.dwdesign.tweetings.fragment.UserProfileFragment.java

public static Bitmap createAlphaGradientBitmap(Bitmap orig) {
    final int width = orig.getWidth(), height = orig.getHeight();
    final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(bitmap);
    final Paint paint = new Paint();
    final LinearGradient shader = new LinearGradient(width / 2, 0, width / 2, height, 0xffffffff, 0x00ffffff,
            Shader.TileMode.CLAMP);/*from  w  ww.  jav a 2  s.co m*/
    paint.setShader(shader);
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    canvas.drawBitmap(orig, 0, 0, null);
    canvas.drawRect(0, 0, width, height, paint);
    return bitmap;
}

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From source file:com.berniesanders.fieldthebern.views.MapScreenView.java

private Bitmap colorBitmap(final Bitmap bm, int color) {

    Paint paint = new Paint();
    ColorFilter filter = new PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN);
    paint.setColorFilter(filter);/*from   w w w.  jav  a  2 s . c  om*/
    Bitmap copiedBitmap = bm.copy(Bitmap.Config.ARGB_8888, true);
    Canvas canvas = new Canvas(copiedBitmap);
    canvas.drawBitmap(bm, 0, 0, paint);
    return copiedBitmap;
}

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From source file:org.medcare.Dicom.DicomActivity.java

public Paint getInnerPaint() {
    if (innerPaint == null) {
        innerPaint = new Paint();
        innerPaint.setARGB(225, 75, 75, 75); // gray
        innerPaint.setAntiAlias(true);/*from   w ww.  jav a2  s .  co m*/
    }
    return innerPaint;
}

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From source file:org.medcare.Dicom.DicomActivity.java

public Paint getBorderPaint() {
    if (borderPaint == null) {
        borderPaint = new Paint();
        borderPaint.setARGB(255, 255, 255, 255);
        borderPaint.setAntiAlias(true);/*  w w  w  .ja v  a 2  s.  c  om*/
        borderPaint.setStyle(Style.STROKE);
        borderPaint.setStrokeWidth(2);
    }
    return borderPaint;
}

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From source file:org.medcare.Dicom.DicomActivity.java

public Paint getTextPaint() {
    if (textPaint == null) {
        textPaint = new Paint();
        textPaint.setARGB(255, 255, 255, 255);
        textPaint.setAntiAlias(true);/*from  w  ww  . jav a2s . c  om*/
    }
    return textPaint;
}

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