public void Draw(IPixelSet pixelSet, IDrawingArea drawingArea)
{
var cut = new CuttingArguments
{
MinX = Math.Min(x0, x1),
MinY = Math.Min(y0, y1),
MaxX = Math.Max(x0, x1),
MaxY = Math.Max(y0, y1),
};
IPaintTool line1 = Line2Tool.Build();
line1.OnMouseClick(cut.MinX, cut.MinY);
line1.OnMouseClicked(cut.MinX, cut.MaxY);
line1.Draw(pixelSet, drawingArea);
IPaintTool line2 = Line2Tool.Build();
line2.OnMouseClick(cut.MinX, cut.MaxY);
line2.OnMouseClicked(cut.MaxX, cut.MaxY);
line2.Draw(pixelSet, drawingArea);
IPaintTool line3 = Line2Tool.Build();
line3.OnMouseClick(cut.MaxX, cut.MaxY);
line3.OnMouseClicked(cut.MaxX, cut.MinY);
line3.Draw(pixelSet, drawingArea);
IPaintTool line4 = Line2Tool.Build();
line4.OnMouseClick(cut.MaxX, cut.MinY);
line4.OnMouseClicked(cut.MinX, cut.MinY);
line4.Draw(pixelSet, drawingArea);
foreach (IPaintTool paintTool in drawingArea)
{
paintTool.Cutting(cut);
}
}
internal static bool Vne(CuttingArguments cutArgs, int x2, int y2)
{
if (x2 < cutArgs.MinX)
return true;
if (y2 < cutArgs.MinY)
return true;
if (x2 > cutArgs.MaxX)
return true;
if (y2 > cutArgs.MaxY)
return true;
return false;
}
private static bool Intersection(CuttingArguments cut, int x0, int y0, int x1, int y1)
{
int ax1, ay1, ax2, ay2, bx1, by1, bx2, by2;
ax1 = cut.MinX; ay1 = cut.MinY;
ax2 = cut.MaxX; ay2 = cut.MinY;
bx1 = x0; by1 = y0;
bx2 = x1; by2 = y1;
int v1 = (bx2 - bx1)*(ay1 - by1) - (by2 - by1)*(ax1 - bx1);
int v2 = (bx2 - bx1)*(ay2 - by1) - (by2 - by1)*(ax2 - bx1);
int v3 = (ax2 - ax1)*(by1 - ay1) - (ay2 - ay1)*(bx1 - ax1);
int v4 = (ax2 - ax1)*(by2 - ay1) - (ay2 - ay1)*(bx2 - ax1);
if ((v1*v2 <= 0) && (v3*v4 <= 0))
return true;
ax1 = cut.MaxX; ay1 = cut.MinY;
ax2 = cut.MaxX; ay2 = cut.MaxY;
bx1 = x0; by1 = y0;
bx2 = x1; by2 = y1;
v1 = (bx2 - bx1) * (ay1 - by1) - (by2 - by1) * (ax1 - bx1);
v2 = (bx2 - bx1) * (ay2 - by1) - (by2 - by1) * (ax2 - bx1);
v3 = (ax2 - ax1) * (by1 - ay1) - (ay2 - ay1) * (bx1 - ax1);
v4 = (ax2 - ax1) * (by2 - ay1) - (ay2 - ay1) * (bx2 - ax1);
if ((v1 * v2 <= 0) && (v3 * v4 <= 0))
return true;
ax1 = cut.MaxX; ay1 = cut.MaxY;
ax2 = cut.MinX; ay2 = cut.MaxY;
bx1 = x0; by1 = y0;
bx2 = x1; by2 = y1;
v1 = (bx2 - bx1) * (ay1 - by1) - (by2 - by1) * (ax1 - bx1);
v2 = (bx2 - bx1) * (ay2 - by1) - (by2 - by1) * (ax2 - bx1);
v3 = (ax2 - ax1) * (by1 - ay1) - (ay2 - ay1) * (bx1 - ax1);
v4 = (ax2 - ax1) * (by2 - ay1) - (ay2 - ay1) * (bx2 - ax1);
if ((v1 * v2 <= 0) && (v3 * v4 <= 0))
return true;
ax1 = cut.MinX; ay1 = cut.MaxY;
ax2 = cut.MinX; ay2 = cut.MinY;
bx1 = x0; by1 = y0;
bx2 = x1; by2 = y1;
v1 = (bx2 - bx1) * (ay1 - by1) - (by2 - by1) * (ax1 - bx1);
v2 = (bx2 - bx1) * (ay2 - by1) - (by2 - by1) * (ax2 - bx1);
v3 = (ax2 - ax1) * (by1 - ay1) - (ay2 - ay1) * (bx1 - ax1);
v4 = (ax2 - ax1) * (by2 - ay1) - (ay2 - ay1) * (bx2 - ax1);
if ((v1 * v2 <= 0) && (v3 * v4 <= 0))
return true;
return false;
}
public static bool Vne(CuttingArguments cut, int x0, int y0, int x1, int y1)
{
if (Intersection(cut, x0, y0, x1, y1))
{
return false;
}
if (!(cut.MinX < x0 && x0 < cut.MaxX))
return true;
if (!(cut.MinX < x1 && x1 < cut.MaxX))
return true;
if (!(cut.MinY < y0 && y0 < cut.MaxY))
return true;
if (!(cut.MinY < y1 && y1 < cut.MaxY))
return true;
return false;
}
public void Cutting(CuttingArguments cut)
{
}
public void Cutting(CuttingArguments cut)
{
this.cutPoint = cut;
}
public void Cutting(CuttingArguments cut)
{
throw new NotImplementedException();
}
public void Cutting(CuttingArguments cut)
{
cutted = true;
this.cutArgs = cut;
}
