public override void Draw(DrawData dd)
{
// draw wave data
byte[] wavedata = dd.Song.WaveformData;
if (wavedata != null)
{
#if (MARKERS)
Markers.WriteFlag("Wave");
#endif
int fnd = -1;
for (int ndx = dd.LFT / Global.pxpersec; ndx < (dd.RIT + Global.pxpersec - 1) / Global.pxpersec; ndx++)
{
if (resources.Wave_Bmps[ndx] == null)
{
fnd = ndx;
break;
}
}
if (fnd == -1)
{
for (int ndx = 0; ndx < resources.Wave_Bmps.Length; ndx++)
{
if (resources.Wave_Bmps[ndx] == null)
{
fnd = ndx;
break;
}
}
}
if (fnd != -1)
{
var ht = Global.Wave_Height;
var half = ht >> 1;
using (var renderT = new SharpDX.Direct2D1.BitmapRenderTarget(dd.target, CompatibleRenderTargetOptions.None, new Size2F(Global.pxpersec, ht),
null, new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm, AlphaMode.Premultiplied)))
{
renderT.BeginDraw();
renderT.Clear(SharpDX.Color.Black);
using (var path = new PathGeometry(Global.Instance.factory2D1))
{
var sink = path.Open();
sink.BeginFigure(new Vector2(Global.pxpersec, half + 1), FigureBegin.Hollow);
sink.AddLine(new Vector2(0, half + 1));
for (int ndx = 0, src = fnd * 2 * Global.pxpersec; ndx < Global.pxpersec && src < wavedata.Length; ndx++, src += 2)
{
sink.AddLine(new Vector2(ndx, half + 1 + wavedata[src]));
}
sink.EndFigure(FigureEnd.Open);
sink.Close();
renderT.DrawGeometry(path, resources.Wave_RedBrush);
}
using (var path = new PathGeometry(Global.Instance.factory2D1))
{
var sink = path.Open();
sink.BeginFigure(new Vector2(Global.pxpersec, half - 1), FigureBegin.Hollow);
sink.AddLine(new Vector2(0, half - 1));
for (int ndx = 0, src = fnd * 2 * Global.pxpersec + 1; ndx < Global.pxpersec && src < wavedata.Length; ndx++, src += 2)
{
sink.AddLine(new Vector2(ndx, half - 1 - wavedata[src]));
}
sink.EndFigure(FigureEnd.Open);
sink.Close();
renderT.DrawGeometry(path, resources.Wave_GreenBrush);
}
renderT.EndDraw();
resources.Wave_Bmps[fnd] = renderT.Bitmap;
}
}
for (int ndx = dd.LFT / Global.pxpersec, bgn = ndx * Global.pxpersec; ndx < resources.Wave_Bmps.Length && bgn <= dd.RIT; ndx++, bgn += Global.pxpersec)
{
var bmp = resources.Wave_Bmps[ndx];
if (bmp == null)
{
break;
}
dd.target.DrawBitmap(bmp, new RectangleF(bgn, Global.Wave_Channels, Global.pxpersec, Global.Wave_Height), 1.0f, BitmapInterpolationMode.NearestNeighbor,
new RectangleF(0, 0, Global.pxpersec, Global.Wave_Height));
}
#if (MARKERS)
Markers.WriteFlag("WaveEnd");
#endif
}
}
/// <summary>
/// Draw the layer.
/// </summary>
/// <param name="renderTime">Time since last render.</param>
/// <remarks>include base.Render(renderTime); in overloads to preserve updating RenderTime field.</remarks>
public override void Render(RenderTime renderTime)
{
base.Render(renderTime);
if (_lastRender.TotalSeconds > 4)
{
_isDirty = true;
}
if (_isDirty)
{
_target.BeginDraw();
_target.Clear(new RawColor4(0, 0, 0, 0.95f));
_target.Transform = Matrix3x2.Translation(-_location);
// draw borders
_target.AntialiasMode = AntialiasMode.PerPrimitive;
_target.FillGeometry(_state.Geometry, Surface.Brushes.GetBrush(new RawColor4(0, 0, 0, .9f)));
_target.DrawGeometry(_state.Geometry, Surface.Brushes.GetBrush(_state.Color), 1);
// draw violations
DrawVisibleViolations();
// draw crosshair
DrawCrosshair();
// Draw lasso
DrawLasso();
// draw view rectangle
DrawViewRectangle();
// DrawText();
_target.Transform = Matrix3x2.Identity;
_target.EndDraw();
_isDirty = false;
_lastRender = TimeSpan.Zero;
}
else
{
_lastRender += renderTime.ElapsedTime;
}
var minimap = _target.Bitmap;
var tx = Surface.RenderTarget2D.Transform;
Surface.RenderTarget2D.Transform = Matrix3x2.Identity;
Surface.RenderTarget2D.DrawBitmap(
minimap,
_viewLocation,
1f,
BitmapInterpolationMode.Linear);
Surface.RenderTarget2D.Transform = tx;
}