|
public static ChangeSize ( |
||
| bitmap | ||
| newWidth | int | |
| newHeight | int | |
| interpolationMode | InterpolationMode | |
| return | ||
public OutputInfo Process()
{
LevelImage origLevelImage;
LevelImage[] decLevelImages;
var image = _inputImage;
double minDist = 0, maxDist = 0, avgDist = 0;
for (int i = 0; i < IncLevelsCount; i++)
{
GenerateDecLevelsAndFragments(image, out origLevelImage, out decLevelImages);
var mapping = SearchCorrespondingFragments(i, origLevelImage, decLevelImages);
image = ReplaceFragments(origLevelImage, decLevelImages, mapping);
double coef = 1.0 + (ZoomCoef - 1) * (i + 1) / IncLevelsCount;
int newWidth = (int)Math.Round(_inputImage.Width * coef);
int newHeight = (int)Math.Round(_inputImage.Height * coef);
image = Utils.ChangeSize(image, newWidth, newHeight);
var orderedByDistances = mapping.OrderBy(m => m.Distance);
minDist = (minDist + orderedByDistances.First().Distance) / 2;
maxDist = (maxDist + orderedByDistances.Last().Distance) / 2;
avgDist = (avgDist + mapping.Average(m => m.Distance)) / 2;
}
return(new OutputInfo
{
Image = image,
MinDistance = minDist,
MaxDistance = maxDist,
AvgDistance = avgDist
});
}
private void GenerateDecLevelsAndFragments(Bitmap image,
out LevelImage origLevelImage, out LevelImage[] decLevelImages)
{
decLevelImages = new LevelImage[DecLevelsCount];
origLevelImage = new LevelImage(image, Blur, BlurKernelSize, BlurSigma);
double blockIncX = BlockIncRatioX * BlockWidth;
if (blockIncX < 1)
{
blockIncX = 1;
}
double blockIncY = BlockIncRatioY * BlockHeight;
if (blockIncY < 1)
{
blockIncY = 1;
}
origLevelImage.PrepareFragments(Blur, blockIncX, blockIncY, BlockWidth, BlockHeight);
double decBlockIncX = DecBlockIncXRatio * BlockWidth;
if (decBlockIncX < 1)
{
decBlockIncX = 1;
}
double decBlockIncY = DecBlockIncYRatio * BlockHeight;
if (decBlockIncY < 1)
{
decBlockIncY = 1;
}
for (int i = 0; i < DecLevelsCount; i++)
{
double coef = 1 / (Math.Pow(DecZoomCoef, (i + 1)));
int newWidth = (int)Math.Round(image.Width * coef);
int newHeight = (int)Math.Round(image.Height * coef);
image = Utils.ChangeSize(image, newWidth, newHeight);
decLevelImages[i] = new LevelImage(image, Blur, BlurKernelSize, BlurSigma);
decLevelImages[i].PrepareFragments(Blur, decBlockIncX, decBlockIncY, BlockWidth, BlockHeight);
}
}
public LevelImage(Bitmap bitmap, int newWidht, int newHeight, bool blur, int blurKernelSize, double blurSigma)
: this(Utils.ChangeSize(bitmap, newWidht, newHeight), blur, blurKernelSize, blurSigma)
{
}
