public static void MapPoints(this Matrix3X3 matrix, ref Vector2[] points)
{
for (int i = 0; i < points.Length; i++)
{
points[i] = matrix.Transform(points[i]);
}
}
public void Transform(Matrix3X3 matrix)
{
var p = new Vector2(_points[0], _points[1]);
p = matrix.Transform(p);
_points[0] = p.X;
_points[1] = p.Y;
}
public static void MapRect(this Matrix3X3 matrix, ref RectangleF rect)
{
var p1 = new Vector2((float)rect.Left, (float)rect.Top);
var p2 = new Vector2((float)rect.Right, (float)rect.Top);
var p3 = new Vector2((float)rect.Left, (float)rect.Bottom);
var p4 = new Vector2((float)rect.Right, (float)rect.Bottom);
p1 = matrix.Transform(p1);
p2 = matrix.Transform(p2);
p3 = matrix.Transform(p3);
p4 = matrix.Transform(p4);
var xMin = Math.Min(Math.Min(Math.Min(p1.X, p2.X), p3.X), p4.X);
var xMax = Math.Max(Math.Max(Math.Max(p1.X, p2.X), p3.X), p4.X);
var yMax = Math.Max(Math.Max(Math.Max(p1.Y, p2.Y), p3.Y), p4.Y);
var yMin = Math.Min(Math.Min(Math.Min(p1.Y, p2.Y), p3.Y), p4.Y);
RectExt.Set(ref rect, new RectangleF(xMin, yMax, xMax, yMin));
}
public static void MapRect(this Matrix3X3 matrix, ref SkiaSharp.SKRect rect)
{
var p1 = new Vector2((float)rect.Left, (float)rect.Top);
var p2 = new Vector2((float)rect.Right, (float)rect.Top);
var p3 = new Vector2((float)rect.Left, (float)rect.Bottom);
var p4 = new Vector2((float)rect.Right, (float)rect.Bottom);
p1 = matrix.Transform(p1);
p2 = matrix.Transform(p2);
p3 = matrix.Transform(p3);
p4 = matrix.Transform(p4);
var xMin = Math.Min(Math.Min(Math.Min(p1.X, p2.X), p3.X), p4.X);
var xMax = Math.Max(Math.Max(Math.Max(p1.X, p2.X), p3.X), p4.X);
var yMax = Math.Max(Math.Max(Math.Max(p1.Y, p2.Y), p3.Y), p4.Y);
var yMin = Math.Min(Math.Min(Math.Min(p1.Y, p2.Y), p3.Y), p4.Y);
RectExt.Set(ref rect, SkRectExpansion.CreateSkRect(new SkiaSharp.SKPoint(xMin, yMax), new SkiaSharp.SKPoint(xMax, yMin)));
}
public void Transform(Matrix3X3 matrix)
{
_startPoint = matrix.Transform(_startPoint);
_endPoint = matrix.Transform(_endPoint);
var p1 = new Vector2((float)_rect.Left, (float)_rect.Top);
var p2 = new Vector2((float)_rect.Right, (float)_rect.Top);
var p3 = new Vector2((float)_rect.Left, (float)_rect.Bottom);
var p4 = new Vector2((float)_rect.Right, (float)_rect.Bottom);
p1 = matrix.Transform(p1);
p2 = matrix.Transform(p2);
p3 = matrix.Transform(p3);
p4 = matrix.Transform(p4);
_a = (p2 - p1).Length() / 2;
_b = (p4 - p3).Length() / 2;
}
public void Transform(Matrix3X3 matrix)
{
_control1 = matrix.Transform(_control1);
_control2 = matrix.Transform(_control2);
_vertex = matrix.Transform(_vertex);
}
