Example usage for android.graphics RectF RectF

Introduction

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

Prototype

public RectF(Rect r) 

Source Link

Usage

From source file:Main.java

public static Bitmap getCircularBitmap(Bitmap bm) {
    int size = 192;

    Bitmap bitmap = ThumbnailUtils.extractThumbnail(bm, size, size);

    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(output);

    final int color = 0xffff0000;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);/*from   w w w .  j a v a  2 s  . c o m*/
    paint.setDither(true);
    paint.setFilterBitmap(true);
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawOval(rectF, paint);

    paint.setColor(Color.BLUE);
    paint.setStyle(Paint.Style.STROKE);
    paint.setStrokeWidth((float) 4);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);

    return output;
}

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From source file:Main.java

/** Return a bitmap identical to src with rounded corners. */
public static final Bitmap roundCornersRGB888(Bitmap src, int roundPixles) {
    final Bitmap output = Bitmap.createBitmap(src.getWidth(), src.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    // TODO: document what is special about this color
    final int color = 0xff424242;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, src.getWidth(), src.getHeight());
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);/*from  w  w  w .ja va 2 s. co m*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPixles, roundPixles, paint);

    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(src, 0, 0, paint);

    return output;
}

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From source file:Main.java

/**
 * Creates a bitmap with rounded corners
 *
 * @param bitmap    source bitmap//from   w  ww .j a  va2 s .  co  m
 * @param maxHeight maximal height for result bitmap
 * @param pixels    corner radius
 * @return a new bitmap if succeed, nil instead
 */
public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, int maxHeight, int pixels) {
    if (bitmap == null || sApplicationContext == null) {
        return bitmap;
    }
    maxHeight = (int) (sApplicationContext.getResources().getDisplayMetrics().density * maxHeight);
    float scale = bitmap.getHeight() * 1.0f / maxHeight;
    int newWidth = (int) (bitmap.getWidth() / scale);

    Bitmap output = Bitmap.createBitmap(newWidth, maxHeight, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

    final int color = 0xffffffff;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final Rect dstRect = new Rect(0, 0, newWidth, maxHeight);
    final RectF rectF = new RectF(dstRect);

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

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

    return output;
}

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From source file:Main.java

/**
 * Creates a <tt>Bitmap</tt> with rounded corners.
 * @param bitmap the bitmap that will have it's corners rounded.
 * @param factor factor used to calculate corners radius based on width
 *               and height of the image.
 * @return a <tt>Bitmap</tt> with rounded corners created from given
 *         <tt>bitmap</tt>.//from   w  w w  . j a va2s  . c  o m
 */
public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, float factor) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.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());
    final RectF rectF = new RectF(rect);

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

    float rX = ((float) bitmap.getWidth()) * factor;
    float rY = ((float) bitmap.getHeight()) * factor;
    //float r = (rX+rY)/2;

    canvas.drawRoundRect(rectF, rX, rY, paint);

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

    return output;
}

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From source file:Main.java

/**
 * Use touch-icon or higher-resolution favicon and round the corners.
 * @param context    Context used to get resources.
 * @param touchIcon  Touch icon bitmap.// w w  w.j a v a2s .  c om
 * @param canvas     Canvas that holds the touch icon.
 */
private static void drawTouchIconToCanvas(Context context, Bitmap touchIcon, Canvas canvas) {
    Rect iconBounds = new Rect(0, 0, canvas.getWidth(), canvas.getHeight());
    Rect src = new Rect(0, 0, touchIcon.getWidth(), touchIcon.getHeight());
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setFilterBitmap(true);
    canvas.drawBitmap(touchIcon, src, iconBounds, paint);
    // Convert dp to px.
    int borderRadii = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, TOUCHICON_BORDER_RADII,
            context.getResources().getDisplayMetrics());
    Path path = new Path();
    path.setFillType(Path.FillType.INVERSE_WINDING);
    RectF rect = new RectF(iconBounds);
    rect.inset(INSET_DIMENSION_FOR_TOUCHICON, INSET_DIMENSION_FOR_TOUCHICON);
    path.addRoundRect(rect, borderRadii, borderRadii, Path.Direction.CW);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
    canvas.drawPath(path, paint);
}

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From source file:Main.java

public static Bitmap toRoundCorner(Bitmap bitmap, int pixels) {

    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());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;

    paint.setAntiAlias(true);// w w w  . j a v  a 2 s  .c  o  m
    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;
}

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From source file:Main.java

public static Bitmap toRoundBitmap(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    float roundPx;
    float left, top, right, bottom, dst_left, dst_top, dst_right, dst_bottom;
    if (width <= height) {
        roundPx = width / 2;//from  w  w w. ja v a 2  s  .co m
        left = 0;
        top = 0;
        right = width;
        bottom = width;
        height = width;
        dst_left = 0;
        dst_top = 0;
        dst_right = width;
        dst_bottom = width;
    } else {
        roundPx = height / 2;
        float clip = (width - height) / 2;
        left = clip;
        right = width - clip;
        top = 0;
        bottom = height;
        width = height;
        dst_left = 0;
        dst_top = 0;
        dst_right = height;
        dst_bottom = height;
    }
    Bitmap output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final Paint paint = new Paint();
    final Rect src = new Rect((int) left, (int) top, (int) right, (int) bottom);
    final Rect dst = new Rect((int) dst_left, (int) dst_top, (int) dst_right, (int) dst_bottom);
    final RectF rectF = new RectF(dst);
    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, src, dst, paint);
    return output;
}

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From source file:Main.java

private static void drawTouchIconToCanvas(Bitmap touchIcon, Canvas canvas, Rect iconBounds) {
    Rect src = new Rect(0, 0, touchIcon.getWidth(), touchIcon.getHeight());

    // Paint used for scaling the bitmap and drawing the rounded rect.
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setFilterBitmap(true);//  w w w  .j av a 2  s. c o  m
    canvas.drawBitmap(touchIcon, src, iconBounds, paint);

    // Construct a path from a round rect. This will allow drawing with
    // an inverse fill so we can punch a hole using the round rect.
    Path path = new Path();
    path.setFillType(Path.FillType.INVERSE_WINDING);
    RectF rect = new RectF(iconBounds);
    rect.inset(1, 1);
    path.addRoundRect(rect, 8f, 8f, Path.Direction.CW);

    // Reuse the paint and clear the outside of the rectangle.
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
    canvas.drawPath(path, paint);
}

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From source file:Main.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());
    final RectF rectF = new RectF(rect);
    final float roundPx = bitmap.getWidth() / 2;

    paint.setAntiAlias(true);/*from   w  ww  . j  a va 2 s. com*/
    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;
}

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From source file:Main.java

/**
 * Gets the rounded corner bitmap./*from  w ww.j  av a  2 s  .  c o  m*/
 *
 * @param bitmap the bitmap
 * @return the rounded corner bitmap
 */
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());
    final RectF rectF = new RectF(rect);
    final float roundPx = 12;

    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;
}

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