Example usage for android.graphics Paint setFilterBitmap

Introduction

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

Prototype

public void setFilterBitmap(boolean filter) 

Source Link

Document

Helper for setFlags(), setting or clearing the FILTER_BITMAP_FLAG bit.

Usage

From source file:Main.java

/**
 *
 * @return//w  w w . jav a2  s. co  m
 */
public static Paint newPaint() {
    Paint paint = new Paint(1);
    paint.setFilterBitmap(true);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
    return paint;
}

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From source file:Main.java

public static Bitmap createScaledBitmap(Bitmap bitmap, int width, int height) {
    Bitmap background = Bitmap.createBitmap((int) width, (int) height, Bitmap.Config.ARGB_8888);
    float originalWidth = bitmap.getWidth(), originalHeight = bitmap.getHeight();
    Canvas canvas = new Canvas(background);
    float scale = Math.max(width / originalWidth, height / originalHeight);
    float xTranslation = 0.0f, yTranslation = (height - originalHeight * scale) / 2.0f;
    if (originalWidth < originalHeight) {
        // scale = height / originalHeight;
        xTranslation = (width - originalWidth * scale) / 2.0f;
        yTranslation = 0.0f;/*  www  .  j  a va  2  s  .  com*/
    }
    Matrix transformation = new Matrix();
    transformation.postTranslate(xTranslation, yTranslation);
    transformation.preScale(scale, scale);
    Paint paint = new Paint();
    paint.setFilterBitmap(true);
    canvas.drawBitmap(bitmap, transformation, paint);
    return background;
}

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From source file:Main.java

public static void drawCircleBorder(Canvas canvas, int radius, int w, int y) {
    Paint paint = new Paint();
    paint.setAntiAlias(true);//from  ww  w  . j a v  a 2 s  .  c o m
    paint.setFilterBitmap(true);
    paint.setDither(true);
    paint.setColor(Color.WHITE);
    paint.setStyle(Paint.Style.STROKE);
    paint.setStrokeWidth(mBorderThickness);
    canvas.drawCircle(w / 2, y / 2, radius, paint);
}

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From source file:Main.java

public static Bitmap int2Icon(Context context, int i) {
    Bitmap bitmap = BitmapFactory.decodeResource(context.getResources(), 0x7f020047);
    Bitmap bitmap1 = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(),
            android.graphics.Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap1);
    Paint paint = new Paint();
    paint.setDither(true);//from  w ww  . ja  v a 2 s  . c om
    paint.setFilterBitmap(true);
    canvas.drawBitmap(bitmap, 0.0F, 0.0F, paint);
    bitmap.recycle();
    Paint paint1 = new Paint(257);
    paint1.setColor(-1);
    paint1.setTypeface(Typeface.DEFAULT_BOLD);
    paint1.setTextAlign(android.graphics.Paint.Align.CENTER);
    canvas.drawText(String.valueOf(i), bitmap.getWidth() / 2, 3 + bitmap.getHeight() / 2, paint1);
    return bitmap1;
}

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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.//from  www. j  a v  a 2  s.  co  m
 * @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

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);
    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);/*  ww  w . j  av  a2s.c  om*/
    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

static Bitmap generatorContactCountIcon(Context context, Bitmap icon) {
    int iconSize = (int) context.getResources().getDimension(android.R.dimen.app_icon_size);
    Bitmap contactIcon = Bitmap.createBitmap(iconSize, iconSize, Config.ARGB_8888);
    Canvas canvas = new Canvas(contactIcon);

    Paint iconPaint = new Paint();
    iconPaint.setDither(true);// w w w .  j a  v  a 2  s.c  om
    iconPaint.setFilterBitmap(true);
    Rect src = new Rect(0, 0, icon.getWidth(), icon.getHeight());
    Rect dst = new Rect(0, 0, iconSize, iconSize);
    canvas.drawBitmap(icon, src, dst, iconPaint);
    int contacyCount = 11;
    Paint countPaint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);
    countPaint.setColor(Color.RED);
    countPaint.setTextSize(20f);
    countPaint.setTypeface(Typeface.DEFAULT_BOLD);
    canvas.drawText(String.valueOf(contacyCount), iconSize - 18, 25, countPaint);
    return contactIcon;
}

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From source file:Main.java

public static Bitmap getRoundImage(Bitmap oriImg, boolean recycleOld) {

    Bitmap targetBitmap = null;/*from w w  w .j av a 2s  .  c o m*/

    if (oriImg != null && !oriImg.isRecycled()) {
        int size = Math.min(oriImg.getWidth(), oriImg.getHeight());
        int targetWidth = size;
        int targetHeight = size;

        targetBitmap = Bitmap.createBitmap(targetWidth, targetHeight, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(targetBitmap);

        Paint paint = new Paint();
        paint.setAntiAlias(true);
        paint.setFilterBitmap(true);
        canvas.drawARGB(0, 0, 0, 0);
        canvas.drawCircle(targetWidth / 2f, targetHeight / 2f, targetWidth / 2f, paint);

        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
        canvas.drawBitmap(oriImg, new Rect(0, 0, size, size), new Rect(0, 0, targetWidth, targetHeight), paint);

        if (recycleOld) {
            oriImg.recycle();
        }
    }
    return targetBitmap;
}

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From source file:Main.java

public static Bitmap createCircleBitmap(Bitmap bitmap) {
    if (bitmap == null) {
        return null;
    }//from w w  w  .j  a v  a 2 s .c  om

    int bmWidth = bitmap.getWidth();
    int bmHeight = bitmap.getHeight();
    int side = bmWidth < bmHeight ? bmWidth : bmHeight;
    int x = (bmWidth - side) / 2;
    int y = (bmHeight - side) / 2;
    Bitmap newBm = Bitmap.createBitmap(side, side, Bitmap.Config.ARGB_8888);
    if (newBm != null) {
        Canvas canvas = new Canvas(newBm);
        Paint paint = new Paint();
        paint.setAntiAlias(true);
        paint.setFilterBitmap(true);
        paint.setDither(true);

        Rect rect = new Rect(0, 0, newBm.getWidth(), newBm.getHeight());
        canvas.drawARGB(0, 0, 0, 0);
        canvas.drawCircle(newBm.getWidth() / 2, newBm.getHeight() / 2, newBm.getHeight() / 2, paint);
        paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
        canvas.drawBitmap(bitmap, rect, rect, paint);

        return newBm;
    }
    return null;
}

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From source file:Main.java

public static Bitmap scaleCenterCrop(Bitmap source, int newHeight, int newWidth) {
    int sourceWidth = source.getWidth();
    int sourceHeight = source.getHeight();

    // Compute the scaling factors to fit the new height and width, respectively.
    // To cover the final image, the final scaling will be the bigger
    // of these two.
    float xScale = (float) newWidth / sourceWidth;
    float yScale = (float) newHeight / sourceHeight;
    float scale = Math.max(xScale, yScale);

    // Now get the size of the source bitmap when scaled
    float scaledWidth = scale * sourceWidth;
    float scaledHeight = scale * sourceHeight;

    // Let's find out the upper left coordinates if the scaled bitmap
    // should be centered in the new size give by the parameters
    float left = (newWidth - scaledWidth) / 2;
    float top = (newHeight - scaledHeight) / 2;

    // The target rectangle for the new, scaled version of the source bitmap will now
    // be/*from  w  ww .  j  a v a  2 s.  co  m*/
    RectF targetRect = new RectF(left, top, left + scaledWidth, top + scaledHeight);

    // Finally, we create a new bitmap of the specified size and draw our new,
    // scaled bitmap onto it.
    Bitmap dest = Bitmap.createBitmap(newWidth, newHeight, CONFIG);
    Canvas canvas = new Canvas(dest);
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setFilterBitmap(true);
    paint.setDither(true);
    canvas.drawBitmap(source, null, targetRect, paint);

    return dest;
}

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