public static Bitmap createScaledBitmap(Bitmap unscaledBitmap, int dstWidth, int dstHeight,

public static Bitmap createScaledBitmap(Bitmap unscaledBitmap, int dstWidth, int dstHeight,

ScalingLogic scalingLogic) {

if(unscaledBitmap ==null)

return null;



Rect srcRect = calculateSrcRect(unscaledBitmap.getWidth(), unscaledBitmap.getHeight(),

dstWidth, dstHeight, scalingLogic);

Rect dstRect = calculateDstRect(unscaledBitmap.getWidth(), unscaledBitmap.getHeight(),

dstWidth, dstHeight, scalingLogic);

Bitmap scaledBitmap = Bitmap.createBitmap(dstRect.width(), dstRect.height(),

Config.ARGB_8888);

Canvas canvas = new Canvas(scaledBitmap);

canvas.drawBitmap(unscaledBitmap, srcRect, dstRect, new Paint(Paint.FILTER_BITMAP_FLAG|Paint.ANTI_ALIAS_FLAG));

return scaledBitmap;

}