Example usage for android.graphics Paint setAntiAlias

List of usage examples for android.graphics Paint setAntiAlias

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Introduction

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

Prototype

public void setAntiAlias(boolean aa)

Source Link

Document

Helper for setFlags(), setting or clearing the ANTI_ALIAS_FLAG bit AntiAliasing smooths out the edges of what is being drawn, but is has no impact on the interior of the shape.

Usage

From source file:Main.java

public static Bitmap getCircleBitmap(Bitmap bitmap) {
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);

    final int color = Color.RED;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    //final Paint paintBorder = new Paint();
    // paintBorder.setColor(Color.GREEN);
    //paintBorder.setShadowLayer(4.0f, 0.0f, 2.0f, Color.BLACK);
    //BitmapShader shader = new BitmapShader(Bitmap.createScaledBitmap(output, canvas.getWidth(), canvas.getHeight(), false), Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    //paint.setShader(shader);
    paint.setAntiAlias(true);
    //paintBorder.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);//w  ww.  j  a v  a 2 s .c o  m
    paint.setColor(color);
    canvas.drawOval(rectF, paint);
    //int circleCenter = bitmap.getWidth() / 2;
    //int borderWidth = 2;
    //canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter + borderWidth - 4.0f, paintBorder);
    //canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, circleCenter - 4.0f, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    //canvas.drawBitmap(bitmap, circleCenter + borderWidth, circleCenter + borderWidth, paint);
    bitmap.recycle();
    return output;
}

From source file:com.arisprung.tailgate.utilities.FacebookImageLoader.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);/*from ww  w. j a  va  2  s  .  c  o m*/
    paint.setColor(color);
    // canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    int dens = mContext.getResources().getDisplayMetrics().densityDpi;
    Bitmap _bmp = Bitmap.createScaledBitmap(output, dens / 2, dens / 2, false);
    // return _bmp;
    Bitmap bit = TailGateUtility.drawWhiteFrame(_bmp);
    return bit;
}

From source file:org.cocos2dx.lib.Cocos2dxBitmap.java

private static Paint newPaint(String fontName, int fontSize, int alignment) {
    Paint paint = new Paint();
    paint.setColor(Color.WHITE);//  w w w .  j ava2 s .  c  o  m
    paint.setTextSize(fontSize);
    paint.setAntiAlias(true);

    /*
     * Set type face for paint, now it support .ttf file.
     */
    if (fontName.endsWith(".ttf")) {
        try {
            //Typeface typeFace = Typeface.createFromAsset(context.getAssets(), fontName);
            Typeface typeFace = Cocos2dxTypefaces.get(context, fontName);
            paint.setTypeface(typeFace);
        } catch (Exception e) {
            Log.e("Cocos2dxBitmap", "error to create ttf type face: " + fontName);

            /*
             * The file may not find, use system font
             */
            paint.setTypeface(Typeface.create(fontName, Typeface.NORMAL));
        }
    } else {
        paint.setTypeface(Typeface.create(fontName, Typeface.NORMAL));
    }

    int hAlignment = alignment & 0x0F;
    switch (hAlignment) {
    case HALIGNCENTER:
        paint.setTextAlign(Align.CENTER);
        break;

    case HALIGNLEFT:
        paint.setTextAlign(Align.LEFT);
        break;

    case HALIGNRIGHT:
        paint.setTextAlign(Align.RIGHT);
        break;

    default:
        paint.setTextAlign(Align.LEFT);
        break;
    }

    return paint;
}

From source file:net.kourlas.voipms_sms.Utils.java

/**
 * Applies a circular mask to a bitmap.//  w  w  w  . ja va 2s.  c  o  m
 *
 * @param bitmap The bitmap to apply the mask to.
 */
public static Bitmap applyCircularMask(Bitmap bitmap) {
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawCircle(bitmap.getWidth() / 2, bitmap.getHeight() / 2, bitmap.getWidth() / 2, paint);
    paint.setAntiAlias(true);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    return output;
}

From source file:com.entertailion.android.slideshow.utils.Utils.java

/**
 * Create a bitmap from a image URL.//from ww w .  j  a va2s.c  om
 * 
 * @param src
 * @return
 */
public static final Bitmap getBitmapFromURL(String src) {
    try {
        URL url = new URL(src);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.connect();
        InputStream input = connection.getInputStream();
        Bitmap myBitmap = BitmapFactory.decodeStream(input);
        int size = Math.max(myBitmap.getWidth(), myBitmap.getHeight());
        Bitmap b = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
        Canvas c = new Canvas(b);
        Paint paint = new Paint();
        paint.setAntiAlias(true);
        c.drawBitmap(myBitmap, (size - myBitmap.getWidth()) / 2, (size - myBitmap.getHeight()) / 2, paint);
        return b;
    } catch (Exception e) {
        Log.e(LOG_TAG, "Faild to get the image from URL:" + src, e);
        return null;
    }
}

From source file:net.archenemy.archenemyapp.presenter.BitmapUtility.java

/**
 * Transforms a bitmap into a circle shape.
 * //from  w w  w .jav a  2  s.  co m
 * @param bitmap
 * @param pixels
 * @return bitmap as circle shape
 */
public static Bitmap getCircleBitmap(Bitmap bitmap, int diameterPixels) {
    if (bitmap != null) {
        final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
        final Canvas canvas = new Canvas(output);

        final int color = 0xff424242;
        final Paint paint = new Paint();
        final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
        final RectF rectF = new RectF(rect);
        final float roundPx = diameterPixels;

        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(color);
        canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, rect, paint);

        return output;
    }
    return null;
}

From source file:eu.iescities.pilot.rovereto.roveretoexplorer.map.MapManager.java

private static Bitmap writeOnMarker(Context mContext, int drawableId, String text) {
    float scale = mContext.getResources().getDisplayMetrics().density;

    Bitmap bitmap = BitmapFactory.decodeResource(mContext.getResources(), drawableId)
            .copy(Bitmap.Config.ARGB_8888, true);

    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setTextAlign(Align.CENTER);/*from w  ww  . jav  a 2  s  .c o m*/
    paint.setTextSize(scale * 14);
    paint.setAntiAlias(true);
    paint.setARGB(255, 255, 255, 255);

    Canvas canvas = new Canvas(bitmap);
    Rect bounds = new Rect();
    paint.getTextBounds(text, 0, text.length(), bounds);
    float x = bitmap.getWidth() / 2;
    float y = bitmap.getHeight() / 2;
    canvas.drawText(text, x, y, paint);

    return bitmap;
}

From source file:eu.iescities.pilot.rovereto.roveretoexplorer.map.MapManager.java

private static Bitmap writeOnStoryMarker(Context mContext, int drawableId, String text) {
    float scale = mContext.getResources().getDisplayMetrics().density;

    Bitmap bitmap = BitmapFactory.decodeResource(mContext.getResources(), drawableId)
            .copy(Bitmap.Config.ARGB_8888, true);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setTextAlign(Align.CENTER);/* www  .jav  a  2s .  c o  m*/
    paint.setTextSize(scale * 14);
    paint.setAntiAlias(true);
    paint.setARGB(255, 255, 255, 255);

    Canvas canvas = new Canvas(bitmap);
    Rect bounds = new Rect();
    paint.getTextBounds(text, 0, text.length(), bounds);
    float x = bitmap.getWidth() / 2;
    float y = bitmap.getHeight() / 2 - ((paint.descent() + paint.ascent()) / 2);

    canvas.drawText(text, x, y, paint);

    return bitmap;
}

From source file:Main.java

/**
 * Creates a mutable bitmap from subset of source bitmap, transformed by the optional matrix.
 *//*from  www  .j  a va 2s.  co  m*/
private static Bitmap createBitmap(Bitmap source, int x, int y, int width, int height, Matrix m) {
    // Re-implement Bitmap createBitmap() to always return a mutable bitmap.
    Canvas canvas = new Canvas();

    Bitmap bitmap;
    Paint paint;
    if ((m == null) || m.isIdentity()) {
        bitmap = Bitmap.createBitmap(width, height, source.getConfig());
        paint = null;
    } else {
        RectF rect = new RectF(0, 0, width, height);
        m.mapRect(rect);
        bitmap = Bitmap.createBitmap(Math.round(rect.width()), Math.round(rect.height()), source.getConfig());

        canvas.translate(-rect.left, -rect.top);
        canvas.concat(m);

        paint = new Paint(Paint.FILTER_BITMAP_FLAG);
        if (!m.rectStaysRect()) {
            paint.setAntiAlias(true);
        }
    }
    bitmap.setDensity(source.getDensity());
    canvas.setBitmap(bitmap);

    Rect srcBounds = new Rect(x, y, x + width, y + height);
    RectF dstBounds = new RectF(0, 0, width, height);
    canvas.drawBitmap(source, srcBounds, dstBounds, paint);
    return bitmap;
}

From source file:eu.trentorise.smartcampus.trentinofamiglia.map.MapManager.java

private static Bitmap writeOnMarker(Context mContext, int drawableId, String text) {
    float scale = mContext.getResources().getDisplayMetrics().density;

    Bitmap bitmap = BitmapFactory.decodeResource(mContext.getResources(), drawableId)
            .copy(Bitmap.Config.ARGB_8888, true);

    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setTextAlign(Align.CENTER);//from  ww w .j  a v a  2  s .c  o m
    paint.setTextSize(scale * 14);
    paint.setAntiAlias(true);
    paint.setARGB(255, 255, 255, 255);

    Canvas canvas = new Canvas(bitmap);
    Rect bounds = new Rect();
    paint.getTextBounds(text, 0, text.length(), bounds);
    float x = bitmap.getWidth() / 2;
    float y = bitmap.getHeight() / 2 - 5;
    canvas.drawText(text, x, y, paint);

    return bitmap;
}