/// <summary>
/// 清除取樣點
/// </summary>
public void ClearPick()
{
_UseMap.SetAll(false);
_PickInfos.Clear();
CurrentPickIndex = -1;
int cot = BaseImage.PixelCount;
IntPtr basePtr = BaseImage.LockBitsAndGetScan0(ImageLockMode.ReadOnly);
IntPtr convertPtr = ConvertImage.LockBitsAndGetScan0(ImageLockMode.WriteOnly);
unsafe
{
byte *baseP = (byte *)basePtr.ToPointer();
byte *convertP = (byte *)convertPtr.ToPointer();
for (int i = 0; i < cot; i++)
{
byte v = (byte)((baseP[0] + baseP[1] + baseP[2]) / 3);
convertP[0] = v;
convertP[1] = v;
convertP[2] = v;
baseP += 4;
convertP += 4;
}
}
BaseImage.UnlockBits();
ConvertImage.UnlockBits();
}
/// <summary>
/// 使用採樣暫存地圖調整主要採樣點的數值
/// </summary>
public void CurrentValueSet(int allowance, int range)
{
if (CurrentPickIndex >= _PickInfos.Count || CurrentPickIndex < 0)
{
return;
}
Pick currentPick = _PickInfos[CurrentPickIndex];
int oldAllowance = currentPick.Allowance;
int oldRange = currentPick.Range;
currentPick.Allowance = allowance;
currentPick.Range = range;
if (oldAllowance == currentPick.Allowance && oldRange == currentPick.Range)
{
return;
}
int cot = BaseImage.PixelCount;
IntPtr basePtr = BaseImage.LockBitsAndGetScan0(ImageLockMode.ReadOnly);
IntPtr convertPtr = ConvertImage.LockBitsAndGetScan0(ImageLockMode.WriteOnly);
unsafe
{
byte *baseP = (byte *)basePtr.ToPointer();
byte *convertP = (byte *)convertPtr.ToPointer();
for (int i = 0; i < cot; i++)
{
if (_ColorMap[i] <= currentPick.Allowance && _DistanceMap[i] <= currentPick.Range)
{
if (!_UseMap[i] && !currentPick.UseMap[i])
{
convertP[0] = baseP[0];
convertP[1] = baseP[1];
convertP[2] = baseP[2];
}
currentPick.UseMap[i] = true;
}
else
{
if (!_UseMap[i] && currentPick.UseMap[i])
{
byte v = (byte)((baseP[0] + baseP[1] + baseP[2]) / 3);
convertP[0] = v;
convertP[1] = v;
convertP[2] = v;
}
currentPick.UseMap[i] = false;
}
baseP += 4;
convertP += 4;
}
}
BaseImage.UnlockBits();
ConvertImage.UnlockBits();
}
/// <summary>
/// 增加取樣點並設定容許值及範圍
/// </summary>
public void AddPick(Color color, Point pickPoint, int allowance, int range)
{
Pick newPick = new Pick()
{
Allowance = allowance,
Range = range,
PickPoint = pickPoint,
DisplayPoint = new Point((int)(pickPoint.X * _DisplayScale), (int)(pickPoint.Y * _DisplayScale)),
Color = color,
UseMap = new BitArray(ConvertImage.PixelCount)
};
_PickInfos.Add(newPick);
int cot = BaseImage.PixelCount;
IntPtr basePtr = BaseImage.LockBitsAndGetScan0(ImageLockMode.ReadOnly);
IntPtr convertPtr = ConvertImage.LockBitsAndGetScan0(ImageLockMode.WriteOnly);
unsafe
{
byte * baseP = (byte *)basePtr.ToPointer();
byte * convertP = (byte *)convertPtr.ToPointer();
double maxDistance = MaxRange / BaseImage.MaxDistance;
int i = 0;
for (int y = 0; y < BaseImage.Height; y++)
{
for (int x = 0; x < BaseImage.Width; x++)
{
byte r = baseP[2];
byte g = baseP[1];
byte b = baseP[0];
int dR = Math.Abs(newPick.Color.R - r);
int dG = Math.Abs(newPick.Color.G - g);
int dB = Math.Abs(newPick.Color.B - b);
short c = (byte)Math.Max(Math.Max(dR, dG), dB);
short d = (short)(Function.GetDistance(x, y, newPick.PickPoint.X, newPick.PickPoint.Y) * maxDistance);
if (c <= newPick.Allowance && d <= newPick.Range)
{
convertP[0] = baseP[0];
convertP[1] = baseP[1];
convertP[2] = baseP[2];
newPick.UseMap[i] = true;
}
baseP += 4;
convertP += 4;
i++;
}
}
}
BaseImage.UnlockBits();
ConvertImage.UnlockBits();
}
/// <summary>
/// 設定主要採樣點並建立採樣暫存地圖
/// </summary>
/// <param name="currentPickIndex">主要採樣點索引</param>
public void SetCurrentIndex(int currentPickIndex)
{
if (currentPickIndex >= _PickInfos.Count || currentPickIndex < 0)
{
return;
}
CurrentPickIndex = currentPickIndex;
Pick currentPick = _PickInfos[currentPickIndex];
IntPtr basePtr = BaseImage.LockBitsAndGetScan0(ImageLockMode.ReadOnly);
unsafe
{
byte * baseP = (byte *)basePtr.ToPointer();
double maxDistance = MaxRange / BaseImage.MaxDistance;
int i = 0;
for (int y = 0; y < BaseImage.Height; y++)
{
for (int x = 0; x < BaseImage.Width; x++)
{
byte r = baseP[2];
byte g = baseP[1];
byte b = baseP[0];
int dR = Math.Abs(currentPick.Color.R - r);
int dG = Math.Abs(currentPick.Color.G - g);
int dB = Math.Abs(currentPick.Color.B - b);
short d = (short)(Function.GetDistance(x, y, currentPick.PickPoint.X, currentPick.PickPoint.Y) * maxDistance);
_ColorMap[i] = (byte)Math.Max(Math.Max(dR, dG), dB);
_DistanceMap[i] = d;
baseP += 4;
i++;
}
}
}
_UseMap.SetAll(false);
foreach (Pick pick in _PickInfos)
{
if (pick == currentPick)
{
continue;
}
_UseMap.Or(pick.UseMap);
}
BaseImage.UnlockBits();
}
