public void LineTo(MoveToCommandArgs args) {
PointF[] points = new PointF[args.Locations.Length + 1];
points[0] = LocationInfo.GetActualLocation(args.UseRelativeCoordinates);
args.Locations.CopyTo(points, 1);
Path.AddLines(points);
LocationInfo.UpdateLastCurveControlPoints(PathLocationInfo.CurveType.None);
}
Action <MoveToCommandArgs> GetCurveRenderMethod(MoveToCommandArgs args, out int nLocations)
{
switch (args.CommandType)
{
case PathCommandType.CurveTo:
nLocations = 3;
return(CubicBezierCurveToCore);
case PathCommandType.SmoothCurveTo:
nLocations = 2;
return(SmoothCubicBezierCurveToCore);
case PathCommandType.QuadraticCurveTo:
nLocations = 2;
return(QuadraticBezierCurveToCore);
case PathCommandType.SmoothQuadraticCurveTo:
nLocations = 1;
return(SmoothQuadraticBezierCurveToCore);
default:
nLocations = 0;
return(x => { });
}
}
public void LineTo(MoveToCommandArgs args)
{
PointF[] points = new PointF[args.Locations.Length + 1];
points[0] = LocationInfo.GetActualLocation(args.UseRelativeCoordinates);
args.Locations.CopyTo(points, 1);
Path.AddLines(points);
LocationInfo.UpdateLastCurveControlPoints(PathLocationInfo.CurveType.None);
}
protected virtual void CubicBezierCurveToCore(MoveToCommandArgs args)
{
PointF[] points = new PointF[args.Locations.Length + 1];
points[0] = LocationInfo.GetActualLocation(args.UseRelativeCoordinates);
args.Locations.CopyTo(points, 1);
Path.AddBeziers(points);
LocationInfo.UpdateLastCurveControlPoints(PathLocationInfo.CurveType.Cubic, points[points.Length - 2]);
}
public void MoveTo(MoveToCommandArgs args) {
LocationInfo.Update(args.Locations[0]);
if(args.Locations.Length > 1) {
int length = args.Locations.Length - 1;
Location[] locations = new Location[length];
Array.Copy(args.Locations, 1, locations, 0, length);
LineTo(new MoveToCommandArgs(args.CommandType, locations));
}
LocationInfo.UpdateLastCurveControlPoints(PathLocationInfo.CurveType.None);
}
public void MoveTo(MoveToCommandArgs args)
{
LocationInfo.Update(args.Locations[0]);
if (args.Locations.Length > 1)
{
int length = args.Locations.Length - 1;
Location[] locations = new Location[length];
Array.Copy(args.Locations, 1, locations, 0, length);
LineTo(new MoveToCommandArgs(args.CommandType, locations));
}
LocationInfo.UpdateLastCurveControlPoints(PathLocationInfo.CurveType.None);
}
public void CurveTo(MoveToCommandArgs args)
{
int nLocations;
Action <MoveToCommandArgs> curveRenderMethod = GetCurveRenderMethod(args, out nLocations);
for (int i = 0; i < args.Locations.Length / nLocations; i++)
{
var locations = new Location[nLocations];
Array.Copy(args.Locations, i * nLocations, locations, 0, nLocations);
MoveToCommandArgs newArgs = new MoveToCommandArgs(args.CommandType, locations, args.PathLocationInfo);
curveRenderMethod(newArgs);
}
}
void SmoothQuadraticBezierCurveToCore(MoveToCommandArgs args) {
Location curveEndLocation = args.Locations[0];
Location curveControlLocation;
if(args.PathLocationInfo.HasSavedLastCurveLocations(PathLocationInfo.CurveType.Quadratic)) {
curveControlLocation = args.PathLocationInfo.CalcCurveControlPoint(curveEndLocation);
}
else {
PointF actualLocation = args.PathLocationInfo.GetActualLocation(args.UseRelativeCoordinates);
curveControlLocation = new Location(actualLocation, args.CommandType, args.PathLocationInfo, args.UseRelativeCoordinates);
}
Location[] locations = { curveControlLocation, curveEndLocation };
MoveToCommandArgs totalArgs = new MoveToCommandArgs(args.CommandType, locations, args.PathLocationInfo);
QuadraticBezierCurveToCore(totalArgs);
}
void SmoothQuadraticBezierCurveToCore(MoveToCommandArgs args)
{
Location curveEndLocation = args.Locations[0];
Location curveControlLocation;
if (args.PathLocationInfo.HasSavedLastCurveLocations(PathLocationInfo.CurveType.Quadratic))
{
curveControlLocation = args.PathLocationInfo.CalcCurveControlPoint(curveEndLocation);
}
else
{
PointF actualLocation = args.PathLocationInfo.GetActualLocation(args.UseRelativeCoordinates);
curveControlLocation = new Location(actualLocation, args.CommandType, args.PathLocationInfo, args.UseRelativeCoordinates);
}
Location[] locations = { curveControlLocation, curveEndLocation };
MoveToCommandArgs totalArgs = new MoveToCommandArgs(args.CommandType, locations, args.PathLocationInfo);
QuadraticBezierCurveToCore(totalArgs);
}
void SmoothCubicBezierCurveToCore(MoveToCommandArgs args)
{
Location firstCurveControlLocation;
Location secondCurveControlLocation = args.Locations[args.Locations.Length - 2];
Location endCurveLocation = args.Locations[args.Locations.Length - 1];
if (args.PathLocationInfo.HasSavedLastCurveLocations(PathLocationInfo.CurveType.Cubic))
{
firstCurveControlLocation = args.PathLocationInfo.CalcCurveControlPoint(endCurveLocation, secondCurveControlLocation);
}
else
{
PointF actualLocation = args.PathLocationInfo.GetActualLocation(args.UseRelativeCoordinates);
firstCurveControlLocation = new Location(actualLocation, args.CommandType, args.PathLocationInfo, args.UseRelativeCoordinates);
}
Location[] locations = { firstCurveControlLocation, secondCurveControlLocation, endCurveLocation };
MoveToCommandArgs newArgs = new MoveToCommandArgs(args.CommandType, locations);
CubicBezierCurveToCore(newArgs);
}
void SmoothCubicBezierCurveToCore(MoveToCommandArgs args) {
Location firstCurveControlLocation;
Location secondCurveControlLocation = args.Locations[args.Locations.Length - 2];
Location endCurveLocation = args.Locations[args.Locations.Length - 1];
if(args.PathLocationInfo.HasSavedLastCurveLocations(PathLocationInfo.CurveType.Cubic)) {
firstCurveControlLocation = args.PathLocationInfo.CalcCurveControlPoint(endCurveLocation, secondCurveControlLocation);
}
else {
PointF actualLocation = args.PathLocationInfo.GetActualLocation(args.UseRelativeCoordinates);
firstCurveControlLocation = new Location(actualLocation, args.CommandType, args.PathLocationInfo, args.UseRelativeCoordinates);
}
Location[] locations = { firstCurveControlLocation, secondCurveControlLocation, endCurveLocation };
MoveToCommandArgs newArgs = new MoveToCommandArgs(args.CommandType, locations);
CubicBezierCurveToCore(newArgs);
}
Action<MoveToCommandArgs> GetCurveRenderMethod(MoveToCommandArgs args, out int nLocations) {
switch(args.CommandType) {
case PathCommandType.CurveTo:
nLocations = 3;
return CubicBezierCurveToCore;
case PathCommandType.SmoothCurveTo:
nLocations = 2;
return SmoothCubicBezierCurveToCore;
case PathCommandType.QuadraticCurveTo:
nLocations = 2;
return QuadraticBezierCurveToCore;
case PathCommandType.SmoothQuadraticCurveTo:
nLocations = 1;
return SmoothQuadraticBezierCurveToCore;
default:
nLocations = 0;
return x => { };
}
}
public void CurveTo(MoveToCommandArgs args) {
int nLocations;
Action<MoveToCommandArgs> curveRenderMethod = GetCurveRenderMethod(args, out nLocations);
for(int i = 0; i < args.Locations.Length / nLocations; i++) {
var locations = new Location[nLocations];
Array.Copy(args.Locations, i * nLocations, locations, 0, nLocations);
MoveToCommandArgs newArgs = new MoveToCommandArgs(args.CommandType, locations, args.PathLocationInfo);
curveRenderMethod(newArgs);
}
}
protected virtual void QuadraticBezierCurveToCore(MoveToCommandArgs args) {
PointF[] points = new PointF[args.Locations.Length + 2];
points[0] = LocationInfo.GetActualLocation(args.UseRelativeCoordinates);
args.Locations.CopyTo(points, 1);
points[points.Length - 1] = points[points.Length - 2];
Path.AddBeziers(points);
LocationInfo.UpdateLastCurveControlPoints(PathLocationInfo.CurveType.Quadratic, points[0], points[1]);
}
