public bool Similar(BGRA color1, BGRA color2)
{
// Quick exit if same:
if (color1 == color2)
return true;
// Compare YUVA thresholds:
for (int i = 0; i < 4; ++i)
{
int comp1 =
s_Matrix[i, 0] * color1.R +
s_Matrix[i, 1] * color1.G +
s_Matrix[i, 2] * color1.B +
s_Matrix[i, 3] * color1.A;
int comp2 =
s_Matrix[i, 0] * color2.R +
s_Matrix[i, 1] * color2.G +
s_Matrix[i, 2] * color2.B +
s_Matrix[i, 3] * color2.A;
if (Math.Abs(comp1 - comp2) > m_Thresholds[i])
return false;
}
return true;
}
public bool Similar(BGRA color1, BGRA color2)
{
// Quick exit if same:
if (color1 == color2)
{
return(true);
}
// Compare YUV thresholds:
for (int i = 0; i < 3; ++i)
{
int comp1 =
s_Matrix[i, 0] * color1.R +
s_Matrix[i, 1] * color1.G +
s_Matrix[i, 2] * color1.B;
int comp2 =
s_Matrix[i, 0] * color2.R +
s_Matrix[i, 1] * color2.G +
s_Matrix[i, 2] * color2.B;
if (Math.Abs(comp1 - comp2) > m_Thresholds[i])
{
return(false);
}
}
return(true);
}
public BGRA Lerp(BGRA color1, int factor1, BGRA color2, int factor2, BGRA color3, int factor3)
{
return BGRA.FromArgb(
LerpChannel(color1.R, factor1, color2.R, factor2, color3.R, factor3),
LerpChannel(color1.G, factor1, color2.G, factor2, color3.G, factor3),
LerpChannel(color1.B, factor1, color2.B, factor2, color3.B, factor3)
);
}
private BGRA GetColor(BGRA *Data, int Width, int Height, int x, int y)
{
if (x < 0 || y < 0 || x >= Width || y >= Height)
{
return(BGRA.FromArgb(0, 0, 0, 0));
}
return(Data[y * Width + x]);
}
public bool Similar(BGRA color1, BGRA color2)
{
// Quick exit if same:
if (color1 == color2)
{
return(true);
}
// If both alphas are zero then treat them as the same:
if (color1.A == 0 && color2.A == 0)
{
return(true);
}
// Compare alpha thresholds:
if (Math.Abs((int)color1.A - (int)color2.A) > m_AlphaThreshold)
{
return(false);
}
// If one of the color's alpha is 0, skip YUV check:
if (color1.A == 0 || color2.A == 0)
{
return(false);
}
// Compare YUV thresholds:
for (int i = 0; i < 3; ++i)
{
int comp1 =
s_Matrix[i, 0] * color1.R +
s_Matrix[i, 1] * color1.G +
s_Matrix[i, 2] * color1.B;
int comp2 =
s_Matrix[i, 0] * color2.R +
s_Matrix[i, 1] * color2.G +
s_Matrix[i, 2] * color2.B;
if (Math.Abs(comp1 - comp2) > m_Thresholds[i])
{
return(false);
}
}
return(true);
}
public BGRA Lerp(BGRA color1, int factor1, BGRA color2, int factor2, BGRA color3, int factor3)
{
int alphaFactor1 = factor1;
int alphaFactor2 = factor2;
int alphaFactor3 = factor3;
if (color1.A == 0)
factor1 = 0;
if (color2.A == 0)
factor2 = 0;
if (color3.A == 0)
factor3 = 0;
if (factor1 == 0 && factor2 == 0 && factor3 == 0)
return color1;
return BGRA.FromArgb(
LerpChannel(color1.A, alphaFactor1, color2.A, alphaFactor2, color3.A, alphaFactor3),
LerpChannel(color1.R, factor1, color2.R, factor2, color3.R, factor3),
LerpChannel(color1.G, factor1, color2.G, factor2, color3.G, factor3),
LerpChannel(color1.B, factor1, color2.B, factor2, color3.B, factor3)
);
}
public bool Similar(BGRA color1, BGRA color2)
{
// Quick exit if same:
if (color1 == color2)
return true;
// If both alphas are zero then treat them as the same:
if (color1.A == 0 && color2.A == 0)
return true;
// Compare alpha thresholds:
if (Math.Abs((int)color1.A - (int)color2.A) > m_AlphaThreshold)
return false;
// If one of the color's alpha is 0, skip YUV check:
if (color1.A == 0 || color2.A == 0)
return false;
// Compare YUV thresholds:
for (int i = 0; i < 3; ++i)
{
int comp1 =
s_Matrix[i, 0] * color1.R +
s_Matrix[i, 1] * color1.G +
s_Matrix[i, 2] * color1.B;
int comp2 =
s_Matrix[i, 0] * color2.R +
s_Matrix[i, 1] * color2.G +
s_Matrix[i, 2] * color2.B;
if (Math.Abs(comp1 - comp2) > m_Thresholds[i])
return false;
}
return true;
}
public BGRA Lerp6x1x1(BGRA color1, BGRA color2, BGRA color3)
{
return m_Engine.Lerp.Lerp(color1, 6, color2, 1, color3, 1);
}
public BGRA Lerp14x1x1(BGRA color1, BGRA color2, BGRA color3)
{
return(m_Engine.Lerp.Lerp(color1, 14, color2, 1, color3, 1));
}
public BGRA Lerp2x3x3(BGRA color1, BGRA color2, BGRA color3)
{
return(m_Engine.Lerp.Lerp(color1, 2, color2, 3, color3, 3));
}
public BGRA Lerp5x2x1(BGRA color1, BGRA color2, BGRA color3)
{
return(m_Engine.Lerp.Lerp(color1, 5, color2, 2, color3, 1));
}
public BGRA Lerp3x1(BGRA color1, BGRA color2)
{
return(m_Engine.Lerp.Lerp(color1, 3, color2, 1, BGRA.FromArgb(0, 0, 0, 0), 0));
}
private BGRA GetColor(BGRA* Data, int Width, int Height, int x, int y)
{
if (x < 0 || y < 0 || x >= Width || y >= Height) return BGRA.FromArgb(0, 0, 0, 0);
return Data[y * Width + x];
}
public BGRA Lerp5x2x1(BGRA color1, BGRA color2, BGRA color3)
{
return m_Engine.Lerp.Lerp(color1, 5, color2, 2, color3, 1);
}
public BGRA Lerp3x1(BGRA color1, BGRA color2)
{
return m_Engine.Lerp.Lerp(color1, 3, color2, 1, BGRA.FromArgb(0, 0, 0, 0), 0);
}
public BGRA Lerp2x3x3(BGRA color1, BGRA color2, BGRA color3)
{
return m_Engine.Lerp.Lerp(color1, 2, color2, 3, color3, 3);
}
//public Square(Engine engine, Bitmap bitmap, int x, int y)
public Square(Engine engine, BGRA* Data, int Width, int Height, int x, int y)
{
m_Engine = engine;
// 0 1 2
// 3 4 5
// 6 7 8
m_Colors[0] = GetColor(Data, Width, Height, x - 1, y - 1);
m_Colors[1] = GetColor(Data, Width, Height, x, y - 1);
m_Colors[2] = GetColor(Data, Width, Height, x + 1, y - 1);
m_Colors[3] = GetColor(Data, Width, Height, x - 1, y);
m_Colors[4] = GetColor(Data, Width, Height, x, y);
m_Colors[5] = GetColor(Data, Width, Height, x + 1, y);
m_Colors[6] = GetColor(Data, Width, Height, x - 1, y + 1);
m_Colors[7] = GetColor(Data, Width, Height, x, y + 1);
m_Colors[8] = GetColor(Data, Width, Height, x + 1, y + 1);
// 0 1 2
// 3 4
// 5 6 7
m_Shape[1 << 0] = m_Engine.Threshold.Similar(m_Colors[4], m_Colors[0]);
m_Shape[1 << 1] = m_Engine.Threshold.Similar(m_Colors[4], m_Colors[1]);
m_Shape[1 << 2] = m_Engine.Threshold.Similar(m_Colors[4], m_Colors[2]);
m_Shape[1 << 3] = m_Engine.Threshold.Similar(m_Colors[4], m_Colors[3]);
m_Shape[1 << 4] = m_Engine.Threshold.Similar(m_Colors[4], m_Colors[5]);
m_Shape[1 << 5] = m_Engine.Threshold.Similar(m_Colors[4], m_Colors[6]);
m_Shape[1 << 6] = m_Engine.Threshold.Similar(m_Colors[4], m_Colors[7]);
m_Shape[1 << 7] = m_Engine.Threshold.Similar(m_Colors[4], m_Colors[8]);
}