/// <summary>
/// This methods draws a trapezoid whose 90° angle is in the left side.
/// </summary>
/// <param name="position">The topLeft point of the trapezoid</param>
/// <param name="size">The <b>whole size</b> of the trapezoid</param>
/// <param name="triangleWidth">The extra width of the greater base side</param>
/// <param name="isTriangleUpside">If the triangle part is to be drawn upside</param>
/// <param name="isShaded">If shading is to be applied to the trapezoid polygons</param>
/// <param name="color">Color of the trapezoid's inner area. The specified ShadeVertices
/// delegate will then proceed to create a shaded version.</param>
/// <param name="shadeMode">ShadeVertices delegate used.</param>
/// <returns>A Trapezoidal ShapeDescriptor object.</returns>
public static ShapeDescriptor DrawLeftTrapezoid(Vector2 position, Size size,
int triangleWidth, bool isTriangleUpside,
Color color, int borderSize,
Graphics.ShadingMode shadeMode)
{
CustomVertex.TransformedColored[] vertices = new CustomVertex.TransformedColored[5];
int[] indices = new int[9];
Vector2 topLeft = new Vector2(position.X + triangleWidth, position.Y);
Size innerSize = new Size(size.Width - borderSize, size.Height - borderSize);
ShapeDescriptor sTrapezoid;
int width = innerSize.Width;
int height = innerSize.Height;
int[] colors = shadeMode(color);
int colorTopLeft = colors[0];
int colorTopRight = colors[1];
int colorBottomleft = colors[2];
int colorBottomRight = colors[3];
vertices[0] = new CustomVertex.TransformedColored(topLeft.X + innerSize.Width, topLeft.Y, 0, 1, colorTopRight);
vertices[1] = new CustomVertex.TransformedColored(topLeft.X + innerSize.Width, topLeft.Y + innerSize.Height, 0, 1, colorBottomRight);
vertices[2] = new CustomVertex.TransformedColored(topLeft.X, topLeft.Y + innerSize.Height, 0, 1, colorBottomleft);
vertices[4] = new CustomVertex.TransformedColored(topLeft.X, topLeft.Y, 0, 1, colorTopLeft);
if (isTriangleUpside)
{
vertices[3] = new CustomVertex.TransformedColored(topLeft.X - triangleWidth, topLeft.Y + innerSize.Height, 0, 1, colorBottomleft);
}
else
{
vertices[3] = new CustomVertex.TransformedColored(topLeft.X - triangleWidth, topLeft.Y, 0, 1, colorTopLeft);
}
indices[0] = 0;
indices[1] = 2;
indices[2] = 4;
indices[3] = 0;
indices[4] = 1;
indices[5] = 2;
indices[6] = 3;
indices[7] = 4;
indices[8] = 2;
sTrapezoid = new ShapeDescriptor(3, vertices, indices);
return(sTrapezoid);
}
/// <summary>
/// This methods draws a trapezoid whose 90° angle is in the right side.
/// </summary>
/// <param name="position">The topLeft point of the trapezoid</param>
/// <param name="size">The <b>whole size</b> of the trapezoid</param>
/// <param name="triangleWidth">The extra width of the greater base side</param>
/// <param name="isTriangleUpside">If the triangle part is to be drawn upside</param>
/// <param name="isShaded">If shading is to be applied to the trapezoid polygons</param>
/// <param name="color">Color of the trapezoid's inner area. The specified ShadeVertices
/// delegate will then proceed to create a shaded version.</param>
/// <param name="borderSize">Size in pixels of the border.</param>
/// <param name="borderColor">Average color of the border.</param>
/// <param name="rectangleBorders">Which borders of the rectangular part of the outline to draw.</param>
/// <param name="triangleBorders">Which borders of the triangular part of the outline to draw.</param>
/// <param name="shadeMode">ShadeVertices delegate used.</param>
/// <returns>A Trapezoidal ShapeDescriptor object.</returns>
public static ShapeDescriptor DrawFullRightTrapezoid(Vector2 position, Size size,
int triangleWidth, bool isTriangleUpside,
Color color,
int borderSize, Color borderColor,
BorderStyle style, Border rectangleBorders, Border triangleBorders,
Graphics.ShadingMode shadeMode)
{
ShapeDescriptor sTrapezoid = DrawRightTrapezoid(position, size, triangleWidth, isTriangleUpside,
color, borderSize, shadeMode);
ShapeDescriptor sOutline = DrawRightTrapezoidalOutline(position, size, triangleWidth, isTriangleUpside,
color, borderSize, borderColor, style, rectangleBorders, triangleBorders);
return(ShapeDescriptor.Join(sTrapezoid, sOutline));
}
