public static int[,] FindImageEnergy(EnergyFunctionBase energyFunction, out double avgEnergy, out Bitmap bmp)
{
energyFunction.ComputeEnergy(Width, Height, Pixels);
bmp = ToImage(energyFunction.Energy);
avgEnergy = energyFunction.AvgEnergy;
return(energyFunction.Energy);
}
public static void ResizeHeight(EnergyFunctionBase energyFunction, decimal heightDiff)
{
int[,] m;
double avgEnergy;
Bitmap bmp;
Progress(0);
if (heightDiff < 0)
{
var seamList = new List <int[]>();
Bitmap original = SeamCarving.ToImage();
m = SeamCarving.FindImageEnergy(energyFunction, out avgEnergy, out bmp);
for (int i = 0; i < -heightDiff; i++)
{
Progress((int)((i * 100) / -heightDiff));
var seam = SeamCarving.FindSeamHorizontal(m);
seamList.Add(seam);
m = SeamCarving.RemoveHorizontalSeam(seam, m);
m = SeamCarving.UpdateImageEnergyHorizontalSeam(energyFunction, m, seam, out avgEnergy, out bmp);
}
SeamCarving.LoadImage(new Bitmap(original));
m = SeamCarving.FindImageEnergy(energyFunction, out avgEnergy, out bmp);
for (int i = 0; i < seamList.Count; i++)
{
var seam = seamList[i];
m = SeamCarving.AddHorizontalSeam(seam, m);
for (int j = 1; j < seamList.Count; j++)
{
for (int k = 0; k < seam.Length; k++)
{
if (seam[k] <= seamList[j][k])
{
seamList[j][k]++;
}
}
}
}
}
else
{
m = SeamCarving.FindImageEnergy(energyFunction, out avgEnergy, out bmp);
for (int i = 0; i < heightDiff; i++)
{
Progress((int)((i * 100) / heightDiff));
var seam = SeamCarving.FindSeamHorizontal(m);
m = SeamCarving.RemoveHorizontalSeam(seam, m);
m = SeamCarving.UpdateImageEnergyHorizontalSeam(energyFunction, m, seam, out avgEnergy, out bmp);
}
}
Progress(100);
}
public static int[,] UpdateImageEnergyHorizontalSeam(EnergyFunctionBase energyFunction, int[,] m, int[] seam,
out double avgEnergy, out Bitmap bmp)
{
energyFunction.Energy = m;
energyFunction.UpdateEnergyHorizontalSeam(Width, Height, Pixels, seam);
bmp = ToImage(energyFunction.Energy);
avgEnergy = energyFunction.AvgEnergy;
return(energyFunction.Energy);
}