private BitmapSource ScaleToFill(int width, int height)
{
Contract.Requires(width > 0);
Contract.Requires(height > 0);
double heightRatio = height / (double)_orgBitMap.PixelHeight;
double widthRatio = width / (double)_orgBitMap.PixelWidth;
BitmapSource bitmapSource;
ImageSize imageSize;
if (heightRatio > widthRatio)
{
bitmapSource = ResizeImageByHeight(_imageBytes, height);
var calc = new ImageSizeCalculator(bitmapSource.PixelWidth, height);
imageSize = calc.ScaleToFill(width, height);
}
else
{
bitmapSource = ResizeImageByWidth(_imageBytes, width);
var calc = new ImageSizeCalculator(width, bitmapSource.PixelHeight);
imageSize = calc.ScaleToFill(width, height);
}
var croppedBitmap = new CroppedBitmap(bitmapSource, new Int32Rect(imageSize.XOffset, imageSize.YOffset, imageSize.Width, imageSize.Height));
return(croppedBitmap);
}
private BitmapSource ScaleToFill(int width, int height)
{
Contract.Requires(width > 0);
Contract.Requires(height > 0);
double heightRatio = height / (double)_orgBitMap.PixelHeight;
double widthRatio = width / (double)_orgBitMap.PixelWidth;
BitmapSource bitmapSource;
ImageSize imageSize;
if (heightRatio > widthRatio)
{
bitmapSource = ResizeImageByHeight(_imageBytes, height);
var calc = new ImageSizeCalculator(bitmapSource.PixelWidth, height);
imageSize = calc.ScaleToFill(width, height);
}
else
{
bitmapSource = ResizeImageByWidth(_imageBytes, width);
var calc = new ImageSizeCalculator(width, bitmapSource.PixelHeight);
imageSize = calc.ScaleToFill(width, height);
}
var croppedBitmap = new CroppedBitmap(bitmapSource, new Int32Rect(imageSize.XOffset, imageSize.YOffset, imageSize.Width, imageSize.Height));
return croppedBitmap;
}