protected override void BuildSVG()
{
base.BuildSVG();
SampleGroup.Children.Clear();
Definitions.Children.Add(SampleDefinition);
PanZoomGroup.Children.Add(SampleGroup);
//draw waveform
Path.PathData.Clear();
var coords = new List <float>();
var curveMove = 'M';
foreach (var sample in Model.Samples)
{
coords.Add(sample.Time.Value);
coords.Add(sample.Value.Value);
}
SvgPathBuilder.CreatePathSegment(curveMove, Path.PathData, coords, char.IsLower(curveMove));
coords.Clear();
SampleGroup.Children.Add(Path);
// foreach (var sample in Samples)
// sample.BuildSVGTo(SampleGroup);
}
void CreatePath(float x1, float y1, float x2, float y2, bool isLinear, bool easeIn, bool easeOut)
{
var coords = new List <float>();
var curveMove = 'M';
var curveType = 'C';
if (isLinear)
{
curveType = 'L';
}
coords.Add(x1);
coords.Add(-y1);
SvgPathBuilder.CreatePathSegment(curveMove, Path.PathData, coords, char.IsLower(curveMove));
coords.Clear();
if (!isLinear)
{
if (easeOut)
{
coords.Add(x1 + (x2 - x1) * (float)Model.Start.EaseOut.Value.x);
coords.Add(-y1);
}
else
{
coords.Add(x1 + (x2 - x1) * (1 / 3f));
coords.Add(-(y1 + (y2 - y1) * (1 / 3f)));
}
if (easeIn)
{
coords.Add(x2 + (x2 - x1) * (float)Model.Start.EaseIn.Value.x);
coords.Add(-y2);
}
else
{
coords.Add(x2 - (x2 - x1) * (1 / 3f));
coords.Add(-(y2 - (y2 - y1) * (1 / 3f)));
}
}
coords.Add(x2);
coords.Add(-y2);
SvgPathBuilder.CreatePathSegment(curveType, Path.PathData, coords, char.IsLower(curveType));
}
protected override void CalcGeometry(SvgPath elem, Vector2 trans, Vector2 scale, int slice)
{
elem.PathData.Clear();
var verts = FVerticesIn[slice];
var cont1 = FControl1In[slice];
var cont2 = FControl2In[slice];
var comms = FCommandIn[slice];
var arc = FArcRotationIn[slice];
var coords = new List <float>(7);
for (int i = 0; i < verts.SliceCount; i++)
{
coords.Clear();
var c = comms[i][0];
//make sure the first and last command fits the specification
if (i == 0)
{
c = 'M';
}
else if (i == verts.SliceCount - 1)
{
c = 'Z';
}
//fill in params
switch (c)
{
case 'm': // relative moveto
case 'M': // moveto
coords.Add(verts[i].X);
coords.Add(verts[i].Y);
break;
case 'a':
case 'A':
coords.Add(cont1[i].X);
coords.Add(cont1[i].Y);
coords.Add(arc[i] * 360);
coords.Add(cont2[i].X);
coords.Add(cont2[i].Y);
coords.Add(verts[i].X);
coords.Add(verts[i].Y);
break;
case 'l': // relative lineto
case 'L': // lineto
coords.Add(verts[i].X);
coords.Add(verts[i].Y);
break;
case 'H': // horizontal lineto
case 'h': // relative horizontal lineto
coords.Add(verts[i].X);
break;
case 'V': // vertical lineto
case 'v': // relative vertical lineto
coords.Add(verts[i].Y);
break;
case 'Q': // curveto
case 'q': // relative curveto
coords.Add(cont1[i].X);
coords.Add(cont1[i].Y);
coords.Add(verts[i].X);
coords.Add(verts[i].Y);
break;
case 'T': // shorthand/smooth curveto
case 't': // relative shorthand/smooth curveto
coords.Add(verts[i].X);
coords.Add(verts[i].Y);
break;
case 'C': // curveto
case 'c': // relative curveto
coords.Add(cont1[i].X);
coords.Add(cont1[i].Y);
coords.Add(cont2[i].X);
coords.Add(cont2[i].Y);
coords.Add(verts[i].X);
coords.Add(verts[i].Y);
break;
case 'S': // shorthand/smooth curveto
case 's': // relative shorthand/smooth curveto
coords.Add(cont1[i].X);
coords.Add(cont1[i].Y);
coords.Add(verts[i].X);
coords.Add(verts[i].Y);
break;
}
SvgPathBuilder.CreatePathSegment(c, elem.PathData, coords, char.IsLower(c));
}
}