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attmarker.go
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attmarker.go
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// Copyright ©2017 The go-hep Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package rbase
import (
"fmt"
"reflect"
"go-hep.org/x/hep/groot/rbytes"
"go-hep.org/x/hep/groot/root"
"go-hep.org/x/hep/groot/rtypes"
"go-hep.org/x/hep/groot/rvers"
)
type AttMarker struct {
Color int16
Style int16
Width float32
}
func NewAttMarker() *AttMarker {
return &AttMarker{
Color: 1,
Style: 1,
Width: 1,
}
}
func (*AttMarker) Class() string {
return "TAttMarker"
}
func (*AttMarker) RVersion() int16 {
return rvers.AttMarker
}
func (a *AttMarker) MarshalROOT(w *rbytes.WBuffer) (int, error) {
if w.Err() != nil {
return 0, w.Err()
}
hdr := w.WriteHeader(a.Class(), a.RVersion())
w.WriteI16(a.Color)
w.WriteI16(a.Style)
w.WriteF32(a.Width)
return w.SetHeader(hdr)
}
func (a *AttMarker) UnmarshalROOT(r *rbytes.RBuffer) error {
if r.Err() != nil {
return r.Err()
}
hdr := r.ReadHeader(a.Class())
if hdr.Vers > rvers.AttMarker {
panic(fmt.Errorf("rbase: invalid attmarker version=%d > %d", hdr.Vers, rvers.AttMarker))
}
a.Color = r.ReadI16()
a.Style = r.ReadI16()
a.Width = r.ReadF32()
r.CheckHeader(hdr)
return r.Err()
}
func (a *AttMarker) RMembers() []rbytes.Member {
return []rbytes.Member{
{Name: "fMarkerColor", Value: &a.Color},
{Name: "fMarkerStyle", Value: &a.Style},
{Name: "fMarkerSize", Value: &a.Width},
}
}
func init() {
f := func() reflect.Value {
o := NewAttMarker()
return reflect.ValueOf(o)
}
rtypes.Factory.Add("TAttMarker", f)
}
var (
_ root.Object = (*AttMarker)(nil)
_ rbytes.Marshaler = (*AttMarker)(nil)
_ rbytes.Unmarshaler = (*AttMarker)(nil)
)