Example usage for android.graphics Canvas drawARGB

Introduction

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

Prototype

public void drawARGB(int a, int r, int g, int b) 

Source Link

Document

Fill the entire canvas' bitmap (restricted to the current clip) with the specified ARGB color, using srcover porterduff mode.

Usage

From source file:Main.java

public static Bitmap roundCorner(Bitmap src, float round) {
    int width = src.getWidth();
    int height = src.getHeight();
    Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(result);
    canvas.drawARGB(0, 0, 0, 0);

    final Paint paint = new Paint();
    paint.setAntiAlias(true);//from w w  w  .  j a v a  2  s . c  o m
    paint.setColor(Color.BLACK);

    final Rect rect = new Rect(0, 0, width, height);
    final RectF rectF = new RectF(rect);

    canvas.drawRoundRect(rectF, round, round, paint);

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

    return result;
}

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From source file:Main.java

public static Bitmap getRemoveBitmap(Context context, Bitmap bitmap) {
    Paint paint = new Paint();
    paint.setAntiAlias(true);//from   w w  w  .  ja  va  2  s.  c  o  m
    Bitmap bitmap1;
    try {
        Bitmap bitmap2 = BitmapFactory.decodeStream(context.getAssets().open("remove@2x.png"));
        bitmap1 = Bitmap.createBitmap(bitmap.getWidth() + bitmap2.getWidth() / 2,
                bitmap.getHeight() + bitmap2.getHeight() / 2, android.graphics.Bitmap.Config.ARGB_8888);
        Canvas canvas1 = new Canvas(bitmap1);
        canvas1.drawARGB(0, 0, 0, 0);
        canvas1.drawBitmap(bitmap, bitmap2.getWidth() / 2, bitmap2.getHeight() / 2, paint);
        bitmap.recycle();
        canvas1.drawBitmap(bitmap2, 0.0F, 0.0F, paint);
        bitmap2.recycle();
    } catch (IOException ioexception) {
        ioexception.printStackTrace();
        bitmap1 = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
                android.graphics.Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap1);
        canvas.drawARGB(0, 0, 0, 0);
        canvas.drawBitmap(bitmap, 0.0F, 0.0F, paint);
        bitmap.recycle();
    }
    return bitmap1;
}

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From source file:Main.java

public static Bitmap formatUserAvatar(Bitmap photo) {
    int maskColor = 0xff424242;
    Paint cornerPaint = new Paint();
    cornerPaint.setAntiAlias(true);//from  www.  ja va  2s . com
    cornerPaint.setColor(maskColor);
    Rect roundedCornerRect = new Rect(0, 0, 256, 256);
    RectF roundedCornerRectF = new RectF(roundedCornerRect);
    Bitmap roundedCornerBitmap = Bitmap.createBitmap(256, 256, Bitmap.Config.ARGB_8888);
    Canvas roundedCornerCanvas = new Canvas(roundedCornerBitmap);
    roundedCornerCanvas.drawARGB(0, 0, 0, 0);
    roundedCornerCanvas.drawRoundRect(roundedCornerRectF, 128, 128, cornerPaint);
    cornerPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    Bitmap scaledBitmap = Bitmap.createScaledBitmap(photo, 256, 256, true);
    roundedCornerCanvas.drawBitmap(scaledBitmap, roundedCornerRect, roundedCornerRect, cornerPaint);
    return roundedCornerBitmap;
}

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From source file:Main.java

/** Creates and returns a new bitmap which is the same as the provided bitmap
 * but with horizontal or vertical padding (if necessary)
 * either side of the original bitmap/*from  w w  w  .  ja va  2  s.  c o  m*/
 * so that the resulting bitmap is a square.
 * @param bitmap is the bitmap to pad.
 * @return the padded bitmap.*/
public static Bitmap padBitmap(Bitmap bitmap) {
    int paddingX;
    int paddingY;

    if (bitmap.getWidth() == bitmap.getHeight()) {
        paddingX = 0;
        paddingY = 0;
    } else if (bitmap.getWidth() > bitmap.getHeight()) {
        paddingX = 0;
        paddingY = bitmap.getWidth() - bitmap.getHeight();
    } else {
        paddingX = bitmap.getHeight() - bitmap.getWidth();
        paddingY = 0;
    }

    Bitmap paddedBitmap = Bitmap.createBitmap(bitmap.getWidth() + paddingX, bitmap.getHeight() + paddingY,
            Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(paddedBitmap);
    canvas.drawARGB(0xFF, 0xFF, 0xFF, 0xFF); // this represents white color
    canvas.drawBitmap(bitmap, paddingX / 2, paddingY / 2, new Paint(Paint.FILTER_BITMAP_FLAG));

    return paddedBitmap;
}

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From source file:Main.java

/**
 * clip source bitmap into a circle bitmap
 *
 * @param src     the source bitmap/* ww w .j  a  v  a2 s  .  c  o  m*/
 * @param recycle whether recycle the source bitmap
 * @param config  bitmap config
 * @return clipped  circle bitmap
 */
public static Bitmap createCircleBitmap(Bitmap src, boolean recycle, Bitmap.Config config) {
    if (src == null) {
        return null;
    }
    if (config == null) {
        config = Bitmap.Config.ARGB_8888;
    }
    Bitmap out = Bitmap.createBitmap(src.getWidth(), src.getHeight(), config);
    final Rect rect = new Rect(0, 0, Math.min(src.getWidth(), src.getHeight()),
            Math.min(src.getWidth(), src.getHeight()));
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    Canvas canvas = new Canvas(out);
    canvas.drawARGB(0, 0, 0, 0);
    RectF rectF = new RectF(rect);
    canvas.drawOval(rectF, paint);

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

    if (recycle) {
        src.recycle();
    }

    return out;

}

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From source file:Main.java

public static Bitmap getPlusBitmap(Context context, String s) {
    Paint paint = new Paint();
    paint.setAntiAlias(true);//from   w  ww.  j  a va  2s.  c  o  m
    Bitmap bitmap = BitmapFactory.decodeStream(getCommunityPicInputStream(s));
    Bitmap bitmap1;
    if (bitmap != null) {
        Bitmap bitmap2 = BitmapFactory.decodeResource(context.getResources(), 0x7f02003f);
        bitmap1 = Bitmap.createBitmap(bitmap.getWidth() + bitmap2.getWidth() / 2,
                bitmap.getHeight() + bitmap2.getHeight() / 2, android.graphics.Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap1);
        canvas.drawARGB(0, 0, 0, 0);
        canvas.drawBitmap(bitmap, 0.0F, 0.0F, paint);
        bitmap.recycle();
        canvas.drawBitmap(bitmap2, bitmap.getWidth() - bitmap2.getWidth() / 2,
                bitmap.getHeight() - bitmap2.getHeight() / 2, paint);
        bitmap2.recycle();
    } else {
        bitmap1 = null;
    }
    return bitmap1;
}

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From source file:Main.java

/**
 * Create round, coloured bitmap with text embedded.
 * @param circleColor The color to use./*w  w  w  . j av  a  2 s. com*/
 * @param diameterDP The diameter of the circle.
 * @param text The text to embed.
 * @return Bitmap showing a text.
 */
public static Bitmap generateCircleBitmap(int circleColor, float diameterDP, String text) {
    /**
     *
     * http://stackoverflow.com/questions/31168636/rounded-quickcontactbadge-with-text
     */
    final int textColor = 0xffffffff;

    DisplayMetrics metrics = Resources.getSystem().getDisplayMetrics();
    float diameterPixels = diameterDP * (metrics.densityDpi / 160f);
    float radiusPixels = diameterPixels / 2;

    // Create the bitmap
    Bitmap output = Bitmap.createBitmap((int) diameterPixels, (int) diameterPixels, Bitmap.Config.ARGB_8888);

    // Create the canvas to draw on
    Canvas canvas = new Canvas(output);
    canvas.drawARGB(0, 0, 0, 0);

    // Draw the circle
    final Paint paintC = new Paint();
    paintC.setAntiAlias(true);
    paintC.setColor(circleColor);
    canvas.drawCircle(radiusPixels, radiusPixels, radiusPixels, paintC);

    // Draw the text
    if (text != null && text.length() > 0) {
        final Paint paintT = new Paint();
        paintT.setColor(textColor);
        paintT.setAntiAlias(true);
        paintT.setTextSize(radiusPixels * 2);
        paintT.setTypeface(Typeface.SANS_SERIF);
        final Rect textBounds = new Rect();
        paintT.getTextBounds(text, 0, text.length(), textBounds);
        canvas.drawText(text, radiusPixels - textBounds.exactCenterX(),
                radiusPixels - textBounds.exactCenterY(), paintT);
    }

    return output;
}

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From source file:Main.java

/**
 * Create circle image.//from  ww  w  .ja  v a2 s . co  m
 *
 * @param bitmap      Bitmap to be cropped
 * @param resColor    Resource color
 * @param strokeWidth Thickness of stroke
 * @return Returns the circle image with border
 */
public static Bitmap getCircleImage(Bitmap bitmap, int resColor, int strokeWidth) {
    // create Bitmap to draw
    Bitmap mBitmap = Bitmap.createBitmap(bitmap.getWidth() + 8, bitmap.getHeight() + 8,
            Bitmap.Config.ARGB_8888);

    // create Rect to hold image
    final Rect mRec = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());

    // create Canvas
    Canvas mCanvas = new Canvas(mBitmap);
    mCanvas.drawARGB(0, 0, 0, 0);

    // create Paint
    final Paint mPaint = new Paint();
    mPaint.setStyle(Paint.Style.FILL);
    mPaint.setAntiAlias(true);

    // get the half size of the image
    int mHalfWidth = bitmap.getWidth() / 2;
    int mHalfHeight = bitmap.getHeight() / 2;

    // draw circle
    mCanvas.drawCircle((mHalfWidth + 4), (mHalfHeight + 4), Math.min(mHalfWidth, mHalfHeight), mPaint);

    // unknown
    mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));

    // draw the image
    mCanvas.drawBitmap(bitmap, mRec, mRec, mPaint);

    // set border mode
    mPaint.setXfermode(null);

    // set stroke
    mPaint.setStyle(Paint.Style.STROKE);

    // set stroke color
    mPaint.setColor(resColor);

    // set stroke width
    mPaint.setStrokeWidth(strokeWidth);

    // draw stroke
    mCanvas.drawCircle((mHalfWidth + 4), (mHalfHeight + 4), Math.min(mHalfWidth, mHalfHeight), mPaint);

    // return the circle image
    return mBitmap;
}

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From source file:Main.java

public static Bitmap createRoundCornerBitmap(Bitmap bitmap, float roundPx, boolean lt, boolean rt, boolean lb,
        boolean rb) {
    Bitmap roundCornerBitmap = createRoundCornerBitmap(bitmap, roundPx);
    Canvas canvas = new Canvas(roundCornerBitmap);
    canvas.drawARGB(0, 0, 0, 0);
    int bw = bitmap.getWidth();
    int bh = bitmap.getHeight();
    int centerW = bw / 2;
    int centerH = bh / 2;

    Paint paint = new Paint();
    Paint defaultPaint = new Paint();
    int color = 0xff424242;
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    paint.setAntiAlias(true);//from   www.  j a  v  a2  s.c  om
    paint.setColor(color);

    Bitmap cutBitmap = null;
    Canvas cutCanvas = null;
    if (!lt) {
        cutBitmap = Bitmap.createBitmap(bw, bh, Bitmap.Config.ARGB_8888);
        cutCanvas = new Canvas(cutBitmap);
        cutCanvas.drawRect(0, 0, centerW, centerH, defaultPaint);
        cutCanvas.drawBitmap(bitmap, 0, 0, paint);
        canvas.drawBitmap(cutBitmap, 0, 0, defaultPaint);
        cutBitmap.recycle();
    }
    if (!rt) {
        cutBitmap = Bitmap.createBitmap(bw, bh, Bitmap.Config.ARGB_8888);
        cutCanvas = new Canvas(cutBitmap);
        cutCanvas.drawRect(centerW, 0, bw, centerH, defaultPaint);
        cutCanvas.drawBitmap(bitmap, 0, 0, paint);
        canvas.drawBitmap(cutBitmap, 0, 0, defaultPaint);
        cutBitmap.recycle();
    }
    if (!lb) {
        cutBitmap = Bitmap.createBitmap(bw, bh, Bitmap.Config.ARGB_8888);
        cutCanvas = new Canvas(cutBitmap);
        cutCanvas.drawRect(0, centerH, centerW, bh, defaultPaint);
        cutCanvas.drawBitmap(bitmap, 0, 0, paint);
        canvas.drawBitmap(cutBitmap, 0, 0, defaultPaint);
        cutBitmap.recycle();
    }
    if (!rb) {
        cutBitmap = Bitmap.createBitmap(bw, bh, Bitmap.Config.ARGB_8888);
        cutCanvas = new Canvas(cutBitmap);
        cutCanvas.drawRect(centerW, centerH, bw, bh, defaultPaint);
        cutCanvas.drawBitmap(bitmap, 0, 0, paint);
        canvas.drawBitmap(cutBitmap, 0, 0, defaultPaint);
        cutBitmap.recycle();
    }
    return roundCornerBitmap;
}

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From source file:Main.java

/**
 * Given an input bitmap, scales it to the given width/height and makes it round.
 *
 * @param input {@link Bitmap} to scale and crop
 * @param targetWidth desired output width
 * @param targetHeight desired output height
 * @return output bitmap scaled to the target width/height and cropped to an oval. The
 *         cropping algorithm will try to fit as much of the input into the output as possible,
 *         while preserving the target width/height ratio.
 *//*from  w ww. ja v  a  2  s. c  o m*/
public static Bitmap getRoundedBitmap(Bitmap input, int targetWidth, int targetHeight) {
    if (input == null) {
        return null;
    }
    final Bitmap.Config inputConfig = input.getConfig();
    final Bitmap result = Bitmap.createBitmap(targetWidth, targetHeight,
            inputConfig != null ? inputConfig : Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(result);
    final Paint paint = new Paint();
    canvas.drawARGB(0, 0, 0, 0);
    paint.setAntiAlias(true);
    final RectF dst = new RectF(0, 0, targetWidth, targetHeight);
    canvas.drawOval(dst, paint);

    // Specifies that only pixels present in the destination (i.e. the drawn oval) should
    // be overwritten with pixels from the input bitmap.
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));

    final int inputWidth = input.getWidth();
    final int inputHeight = input.getHeight();

    // Choose the largest scale factor that will fit inside the dimensions of the
    // input bitmap.
    final float scaleBy = Math.min((float) inputWidth / targetWidth, (float) inputHeight / targetHeight);

    final int xCropAmountHalved = (int) (scaleBy * targetWidth / 2);
    final int yCropAmountHalved = (int) (scaleBy * targetHeight / 2);

    final Rect src = new Rect(inputWidth / 2 - xCropAmountHalved, inputHeight / 2 - yCropAmountHalved,
            inputWidth / 2 + xCropAmountHalved, inputHeight / 2 + yCropAmountHalved);

    canvas.drawBitmap(input, src, dst, paint);
    return result;
}

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