public static void DrawHoldRegionToLane(System.Drawing.Graphics g, IReadOnlyEditorLaneEnvironment env, Hold hold)
{
using (var sb = new SolidBrush(Color.FromArgb(200, 200, 175, 90)))
using (var path = hold.GetGraphicsPath(env))
using (var matToLeft = new Matrix())
using (var matToRight = new Matrix())
using (var matToReset = new Matrix())
{
var laneWidth = env.LaneUnitWidth * MadcaEnv.LaneCount;
g.Clip = new Region(env.LaneRect);
matToLeft.Translate(-laneWidth, 0);
matToRight.Translate(laneWidth, 0);
var leftTimes = 0;
try
{
g.FillPath(sb, path);
}
catch (Exception) { }
while (path.GetBounds().Right > env.LaneRect.Right)
{
path.Transform(matToLeft);
try
{
g.FillPath(sb, path);
}
catch (Exception) { }
leftTimes++;
}
matToReset.Translate(laneWidth * leftTimes, 0);
path.Transform(matToReset);
while (path.GetBounds().Left < env.LaneRect.Left)
{
path.Transform(matToRight);
try
{
g.FillPath(sb, path);
}
catch (Exception) { }
}
g.ResetClip();
}
}
public static bool Contains(this Hold hold, Point p, IReadOnlyEditorLaneEnvironment env)
{
var laneWidth = env.LaneUnitWidth * MadcaEnv.LaneCount;
var matToLeft = new Matrix();
matToLeft.Translate(-laneWidth, 0);
var matToRight = new Matrix();
matToRight.Translate(laneWidth, 0);
var leftTimes = 0;
using (var path = hold.GetGraphicsPath(env))
{
if (path.IsVisible(p))
{
return(true);
}
while (path.GetBounds().Right > env.LaneRect.Right)
{
path.Transform(matToLeft);
if (path.IsVisible(p))
{
return(true);
}
leftTimes++;
}
var matToReset = new Matrix();
matToReset.Translate(laneWidth * leftTimes, 0);
path.Transform(matToReset);
while (path.GetBounds().Left < env.LaneRect.Left)
{
path.Transform(matToRight);
if (path.IsVisible(p))
{
return(true);
}
}
}
return(false);
}