/// <summary>
/// Initializes a new instance of the <see cref="GorgonDrawing"/> class.
/// </summary>
/// <param name="gorgon2D">The gorgon 2D interface that owns this object.</param>
internal GorgonDrawing(Gorgon2D gorgon2D)
{
_depthStencil = new GorgonRenderable.DepthStencilStates();
_sampler = new GorgonRenderable.TextureSamplerState();
_blend = new GorgonRenderable.BlendState();
// Default to modulated blending for drawing operations.
BlendingMode = BlendingMode.Modulate;
CullingMode = CullingMode.Back;
_rect = new GorgonRectangle(gorgon2D, "Gorgon2D.Rectangle", false)
{
Position = Vector2.Zero,
Size = Vector2.Zero
};
_point = new GorgonPoint(gorgon2D, "Gorgon2D.Point")
{
Position = Vector2.Zero,
Color = GorgonColor.White
};
_line = new GorgonLine(gorgon2D, "Gorgon2D.Line")
{
Color = GorgonColor.White,
StartPoint = Vector2.Zero,
EndPoint = Vector2.Zero
};
_ellipse = new GorgonEllipse(gorgon2D, "Gorgon2D.Ellipse")
{
Quality = 64,
Color = GorgonColor.White
};
_triangle = new GorgonTriangle(gorgon2D,
"Gorgon2D.Triangle")
{
IsFilled = false
};
_string = gorgon2D.Renderables.CreateText("Gorgon2D.String");
}
/// <summary>
/// Function to create a new triangle object.
/// </summary>
/// <param name="name">Name of the triangle.</param>
/// <param name="point1">First point in the triangle.</param>
/// <param name="point2">Second point in the triangle.</param>
/// <param name="point3">Third point in the triangle.</param>
/// <param name="filled">TRUE to create a filled triangle, FALSE to create an unfilled triangle.</param>
/// <returns>A new triangle primitive object.</returns>
/// <remarks>The points defined in the triangle use relative coordinates, and are offset from an origin that is defined by the <see cref="P:GorgonLibrary.Renderers.GorgonTriangle.Anchor">Anchor</see> property.</remarks>
/// <exception cref="System.ArgumentNullException">Thrown when the <paramref name="name"/> parameter is NULL (Nothing in VB.Net).</exception>
/// <exception cref="System.ArgumentException">Thrown when the name parameter is an empty string.</exception>
public GorgonTriangle CreateTriangle(string name, GorgonPolygonPoint point1, GorgonPolygonPoint point2, GorgonPolygonPoint point3, bool filled)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentException(Resources.GOR2D_PARAMETER_MUST_NOT_BE_EMPTY, "name");
}
var result = new GorgonTriangle(_gorgon2D, name)
{
IsFilled = filled
};
result.SetPoint(0, point1);
result.SetPoint(1, point2);
result.SetPoint(2, point3);
return(result);
}
