public SvgPathData.SvgPathIndex GetPathIndex(int partIndex)
{
var pathIndex = new SvgPathData.SvgPathIndex();
pathIndex.BlockIndex = blockIndex;
pathIndex.ItemIndex = currentIndex;
pathIndex.PartIndex = partIndex;
return(pathIndex);
}
private void DrawAnchorSub(CanvasDrawingSession win2d, ViewInfo viewInfo, SvgPathData.SvgPathIndex myIndex, int partIndex, float x, float y)
{
myIndex.PartIndex = partIndex;
bool ellipse = true;
switch (Command)
{
case 'c':
case 'C':
if (partIndex == 2)
{
ellipse = false;
}
break;
default:
break;
}
// bool hover = viewInfo.HoverIndex == myIndex;
bool select = viewInfo.TargetPathData.GetCurrentIndex() == myIndex;
Color color = Colors.Blue;
bool fill = false;
if (viewInfo.HoverIndex == myIndex)
{
fill = true;
}
else if (select)
{
color = GetColor();
fill = true;
}
else
{
color = GetColor();
}
int size = 4;
if (ellipse)
{
if (fill)
{
win2d.FillEllipse(x, y, size, size, color);
}
else
{
win2d.DrawEllipse(x, y, size, size, color);
}
}
else
{
Rect r = new Rect(x - size, y - size, size * 2, size * 2);
if (fill)
{
win2d.FillRectangle(r, color);
}
else
{
win2d.DrawRectangle(r, color);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="win2d"></param>
/// <param name="scale"></param>
internal void DrawAnchor(CanvasDrawingSession win2d, ViewInfo viewInfo, SvgPathData.SvgPathIndex myIndex)
{
float scale = viewInfo.Scale;
switch (Command)
{
case 'M':
case 'h':
case 'H':
case 'v':
case 'V':
case 'l':
case 'L':
int partindex = 0;
foreach (Vector2 point in points)
{
float x = (float)point.X * scale;
float y = (float)point.Y * scale;
DrawAnchorSub(win2d, viewInfo, myIndex, partindex, x, y);
partindex++;
}
break;
case 'c':
case 'C':
if (points.Count == 3)
{
Color color = GetColor();
Vector2 point = points[2];
float x = (float)point.X * scale;
float y = (float)point.Y * scale;
DrawAnchorSub(win2d, viewInfo, myIndex, 2, x, y);
Vector2 p0 = befor.GetPoint();
float x0 = (float)p0.X * scale;
float y0 = (float)p0.Y * scale;
Vector2 p1 = points[0];
float x1 = (float)p1.X * scale;
float y1 = (float)p1.Y * scale;
win2d.DrawLine(x0, y0, x1, y1, color);
DrawAnchorSub(win2d, viewInfo, myIndex, 0, x1, y1);
Vector2 p2 = points[1];
float x2 = (float)p2.X * scale;
float y2 = (float)p2.Y * scale;
win2d.DrawLine(x, y, x2, y2, color);
DrawAnchorSub(win2d, viewInfo, myIndex, 1, x2, y2);
}
break;
case 'a':
case 'A':
foreach (Vector2 point in points)
{
float x = (float)point.X * scale;
float y = (float)point.Y * scale;
DrawAnchorSub(win2d, viewInfo, myIndex, 0, x, y);
}
break;
default:
break;
}
}