public string GetTriangleVerticesByRowAndColumn(ShapesGrid shapeGrid, char row, int column)
{
TriangleGrid tGrid = (TriangleGrid)shapeGrid;
if (TriangleFunctions.isLetterValid(row, tGrid) && TriangleFunctions.IsColumnValid(column, tGrid))
{
return(TriangleFunctions.GetVerticesByRowAndColumn(row, column, tGrid));
}
return("Invalid Request");
}
public string GetTriangleRowAndColumnByVertices(ShapesGrid shapesGrid, string vertices)
{
TriangleGrid tGrid = (TriangleGrid)shapesGrid;
if (TriangleFunctions.ValidateVertices(vertices, shapesGrid, out Triangle triangle))
{
return(TriangleFunctions.GetRowAndColumnByVertices(triangle, tGrid));
}
return("Invalid Vector Supplied");
}
internal static bool ValidateVertices(string vertices, ShapesGrid grid, out Triangle triangle)
{
triangle = new Triangle();
TriangleGrid tGrid = (TriangleGrid)grid;
if (vertices == null || vertices.Length == 0)
{
return(false);
}
//split on commas and/or spaces
string[] strVertices = vertices.Split(new char[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries);
////we should have 6 numbers -- V1xy, V2xy, V3xy
if (strVertices.Length == 6)
{
for (int i = 0; i < strVertices.Length; i++)
{
string str = strVertices[i];
//validate input for numbers
if (int.TryParse(str, out int outNum))
{
switch (i)
{
//0 and 1 = right angle
case 0:
if (!isXNumberValid(outNum, tGrid))
{
return(false);
}
triangle.Vector1X = outNum;
break;
case 1:
if (!isYNumberValid(outNum, tGrid))
{
return(false);
}
triangle.Vector1Y = outNum;
break;
//2 and 3 = top
case 2:
if (!isXNumberValid(outNum, tGrid))
{
return(false);
}
triangle.Vector2X = outNum;
break;
case 3:
if (!isYNumberValid(outNum, tGrid))
{
return(false);
}
triangle.Vector2Y = outNum;
break;
//4 and 5 = bottom
case 4:
if (!isXNumberValid(outNum, tGrid))
{
return(false);
}
triangle.Vector3X = outNum;
break;
case 5:
if (!isYNumberValid(outNum, tGrid))
{
return(false);
}
triangle.Vector3Y = outNum;
break;
}
}
else
{
//no int
return(false);
}
}
//continue validation
if (triangle.Vector1Y > triangle.Vector2Y)
{
triangle.RightAngle = Triangle.RightAngleSide.Left;
//40,10,40,0,50,10 A9
//30,30,30,20,40,30 C7
//30,40,30,30,40,40 D7
//50,40,50,30,60,40 D11
//validate x pattern
//x x x+pixelcount
if (triangle.Vector1X == triangle.Vector2X && (triangle.Vector3X == (triangle.Vector1X + tGrid.PixelCount)))
{
//validate y pattern
//y y-pixencount y
if (triangle.Vector1Y == triangle.Vector3Y && (triangle.Vector2Y == (triangle.Vector1Y - tGrid.PixelCount)))
{
return(true);
}
}
}
else
{
triangle.RightAngle = Triangle.RightAngleSide.Right;
//40,0,30,0,40,10 A8
//40,20,30,20,40,30 C8
//40,30,30,30,40,40 D8
//50,30,40,30,50,40 D10
//validate x pattern
//x x-pixelcount x
if (triangle.Vector1X == triangle.Vector3X && (triangle.Vector2X == (triangle.Vector1X - tGrid.PixelCount)))
{
//validate y pattern
//y y y+pixelcount
if (triangle.Vector1Y == triangle.Vector2Y && (triangle.Vector3Y == (triangle.Vector1Y + tGrid.PixelCount)))
{
return(true);
}
}
}
}
//validation has failed
return(false);
}
