public RendererSettings(IRenderer r)
{
AngleType = r.AngleType;
LineEndCapStyle = r.LineEndCapStyle;
HighQuality = r.HighQuality;
Transform = r.Transform;
}
//--------------------------------------------------------------------------------------------------------------
// Performance benchmarking
//--------------------------------------------------------------------------------------------------------------
/// <summary>
/// Just to mak sure the code is compiled etc
/// </summary>
/// <returns>A hash code that just prevents a too-smart compiler for removing redundent code. </returns>
public static double PerformanceTestGDIConversion(int numberOfTests)
{
//TODO: HOW THE HELL DOES THIS TAKE 2MS TO COMPLETE???
double[] numbers = new double[] { 5, 8, 232.5, 123321, 12, -18 };
double hash = 0;
for (int i = 1; i < numberOfTests; i++)
{
//I want to know that the transformation matrix is valid in GDI plus conversions.
TransMatrix2D t1 = TransMatrix2D.FromTRS(
new Point2D(22.25, 31.75),
numbers[i % numbers.Length],
new Point2D(51, 37),
new Point2D(0.5, 0.25));
GDIMatrix g1 = t1.ToGDIPlusMatrix();
TransMatrix2D t2 = TransMatrix2D.FromGDIPlusMatrix(g1);
Point2D test = new Point2D(7.1, numbers[(i + 2) % numbers.Length]);
Point2D p1 = t1.Transform(test);
var temp = new PointF[] { test.AsPointF() };
g1.TransformPoints(temp);
Point2D p2 = new Point2D(temp[0]);
Point2D p3 = t2.Transform(test);
hash += p1.X + p2.X - p3.X;
}
return(hash);
}
private static Bitmap mapToIsoMetric(Bitmap b, IsoMetricTileGenerationSettings settings)
{
int newWidth = (int)Math.Ceiling(Math.Sqrt(2 * (Math.Pow(Math.Max(b.Width, b.Height), 2))));
//keep the width even
if ((newWidth % 2) != 0)
{
newWidth++;
}
int newHeight = newWidth;
int halfNewWidth = newWidth / 2;
int halfNewHeight = newWidth / 2;
IRenderer r = IRendererFactory.GetPreferredRenderer(newWidth, newHeight);
TransMatrix2D rot = TransMatrix2D.FromRotation(Math.PI / 4.0, new Point2D(halfNewWidth, halfNewHeight));
r.SetTransform(rot);
r.DrawImage(b,
halfNewWidth - (b.Width / 2) + 1,
halfNewHeight - (b.Height / 2) + 1);
Bitmap rotated = r.RenderTargetAsGDIBitmap();
//apply squash
if (Math.Abs(settings.HeightRatio) > 0.0001)
{
//return new Bitmap(rotated, rotated.Width, rotated.Height / 2);
return(new Bitmap(rotated, b.Width, b.Height / 2));
}
return(rotated);
}
public static TransMatrix2D CalculateWorldToScreenTransformMatrix(this IView2D view)
{
return(TransMatrix2D.FromTRS(new Point2D(view.TransformX, view.TransformY),
view.ClockwiseRotation,
//screenSpaceBounds.Middle(),
Point2D.Origen,
new Point2D(view.Zoom, view.Zoom)));
}
public void ApplySettings(IRendererSettings settings)
{
if (settings != null)
{
RendererSettings rs = settings as RendererSettings;
if (rs != null)
{
rs.Apply(this);
}
else
{
AngleType = settings.AngleType;
LineEndCapStyle = settings.LineEndCapStyle;
HighQuality = settings.HighQuality;
Transform = settings.Transform;
}
}
}
public void Render <T>(IRenderer r, IRenderableShape <ST> s) where T : IShape
{
TransMatrix2D transform = s.TransMatrix;
//TODO: Transform
if (s.Geomerty is Circle)
{
Circle c = s.Geomerty as Circle;
r.DrawCircle(Color.Red, 1, (int)c.Centre.X, (int)c.Centre.Y, (int)c.Radius);
}
else
{
//meh, squares et al., are all polygons.
//The class should cache the conversion.
Polygon p = s.Geomerty.ToPolygon();
//PointList p2 = transform.Transform();
for (int i = 0; i < p.Points.Count; i++)
{
//NB: p.points is padded with an extra indexable value, to close the shape
//so p.Points[i + 1] is valid on the last iteration
r.DrawLine(Color.Red, 1, p.Points[i], p.Points[i + 1]);
}
}
}
public void TestFromGDIPlusMatrix()
{
//TODO: HOW THE HELL DOES THIS TAKE 2MS TO COMPLETE???
//I want to know that the transformation matrix is valid in GDI plus conversions.
TransMatrix2D t1 = TransMatrix2D.FromTRS(
new Point2D(22.25, 31.75),
12,
new Point2D(51, 37),
new Point2D(0.5, 0.25));
GDIMatrix g1 = t1.ToGDIPlusMatrix();
TransMatrix2D t2 = TransMatrix2D.FromGDIPlusMatrix(g1);
Point2D test = new Point2D(7.1, -81.2);
Point2D p1 = t1.Transform(test);
var temp = new PointF[] { test.AsPointF() };
g1.TransformPoints(temp);
Point2D p2 = new Point2D(temp[0]);
Point2D p3 = t2.Transform(test);
double errorThreshold = 0.001;
//all points should not be on the origen
Assert.IsTrue(p1.Length() > errorThreshold);
Assert.IsTrue(p2.Length() > errorThreshold);
Assert.IsTrue(p3.Length() > errorThreshold);
//all points should be similar
Assert.IsTrue(p1.DistanceTo(p2) < errorThreshold);
Assert.IsTrue(p1.DistanceTo(p3) < errorThreshold);
}
protected void clearTransformProxies()
{
renderMatrixProxy = null;
inverseRenderMatrixProxy = null;
}
private void SetTransform(TransMatrix2D transform)
{
graphics.Transform = transform.ToGDIPlusMatrix();
}
private TransMatrix2D GetTransform()
{
return(TransMatrix2D.FromGDIPlusMatrix(graphics.Transform));
}
/// <summary>
/// IRenderer was updated to use acessors, an extension for the old
/// set method reduces the amount of updates required.
/// </summary>
public static void SetTransform(this IRenderer renderer, TransMatrix2D transform)
{
renderer.Transform = transform;
}