func (i *TypeOneI) Dic(id string) map[string][]byte {
if id[0] != 'D' {
panic("Wrong dictionary!\n")
}
idn := strm.Int(id[1:], 1)
return i.Dicts[idn].Defs
}
func (t *SvgTextT) widths(font string) (r *cmapt.CMapT) {
if t.fontw == nil {
t.fontw = make(map[string]*cmapt.CMapT)
} else if r, ok := t.fontw[font]; ok {
return r
}
// initialize like for Courier.
r = cmapt.New()
r.AddDef(0, 256, 600*WIDTH_DENSITY/1000)
if t.fonts == nil {
t.fonts = t.Pdf.PageFonts(t.Pdf.Pages()[t.Page])
if t.fonts == nil {
return
}
}
if dr, ok := t.fonts[font]; ok {
d := t.Pdf.Dic(dr)
fc, ok := d["/FirstChar"]
if !ok {
return
}
lc, ok := d["/LastChar"]
if !ok {
return
}
wd, ok := d["/Widths"]
if !ok {
return
}
p := strm.Int(string(fc), 1)
q := strm.Int(string(lc), 1)
a := t.Pdf.Arr(wd)
for k := p; k < q; k++ {
r.Add(k, strm.Int(string(a[k-p]), WIDTH_DENSITY/1000))
}
}
return
}
func init() {
var ops = map[string]func(t *TypeOneI){
"array": func(t *TypeOneI) {
a := t.St.Pop()
t.St.Push(t.NewArray(strm.Int(string(a), 1)))
},
"begin": func(t *TypeOneI) {
a := t.St.Pop()
if a[0] != 'D' {
panic("Wrong dictionary!\n")
}
t.DicSp++
t.DicSt[t.DicSp] = t.Dicts[strm.Int(string(a[1:]), 1)]
},
"bind": func(t *TypeOneI) {
},
"cleartomark": func(t *TypeOneI) {
a := t.St.Pop()
for string(a) != "mark" {
a = t.St.Pop()
}
},
"closefile": func(t *TypeOneI) {
a := t.St.Pop()
t.Done = true
_ = a
},
"currentdict": func(t *TypeOneI) {
t.St.Push(t.DicSt[t.DicSp].Name)
},
"currentfile": func(t *TypeOneI) {
t.St.Push([]byte{'?'})
},
"def": func(t *TypeOneI) {
a := t.St.Drop(2)
t.DicSt[t.DicSp].Defs[string(a[0])] = a[1]
},
"definefont": func(t *TypeOneI) {
a := t.St.Drop(2)
t.Fonts[string(a[0])] = string(a[1])
t.St.Push(util.Bytes("<FONT>")) // FIXME, we need this.
_ = a
},
"defineresource": func(t *TypeOneI) {
a := t.St.Drop(3)
t.St.Push([]byte{'?'})
_ = a
},
"dict": func(t *TypeOneI) {
a := t.St.Pop()
t.St.Push(t.NewDic())
_ = a
},
"dup": func(t *TypeOneI) {
a := t.St.Pop()
t.St.Push(a)
t.St.Push(a)
},
"eexec": func(t *TypeOneI) {
a := t.St.Pop()
b := eexec(t.Rdr)
old := t.Rdr
t.Rdr = fancy.SliceReader(b)
//proceed(t, t.Rdr)
t.Rdr = old
t.Done = false
_ = a
},
"end": func(t *TypeOneI) {
t.DicSp--
},
"exch": func(t *TypeOneI) {
a := t.St.Drop(2)
a0 := a[0]
t.St.Push(a[1])
t.St.Push(a0)
},
"executeonly": func(t *TypeOneI) {
},
"findresource": func(t *TypeOneI) {
a := t.St.Drop(2)
t.St.Push([]byte{'?'})
_ = a
},
"for": func(t *TypeOneI) {
a := t.St.Drop(4)
// FIXME
_ = a
},
"get": func(t *TypeOneI) {
a := t.St.Drop(2)
i := strm.Int(string(a[0][1:]), 1)
if a[0][0] == 'D' {
t.St.Push(t.Dicts[i].Defs[string(a[1])])
} else if a[0][0] == 'A' {
t.St.Push(t.Arrays[i][strm.Int(string(a[1]), 1)])
} else {
panic("Can not 'get' from!\n")
}
},
"if": func(t *TypeOneI) {
a := t.St.Drop(2)
t.op_ifelse([][]byte{a[0], a[1], []byte{}})
},
"ifelse": func(t *TypeOneI) {
a := t.St.Drop(3)
t.op_ifelse(a)
},
"index": func(t *TypeOneI) {
a := t.St.Pop()
t.St.Push(t.St.Index(strm.Int(string(a), 1) + 1))
},
"known": func(t *TypeOneI) {
a := t.St.Drop(2)
t.St.Push(util.Bytes("false")) // FIX ME knows nothing ;)
_ = a
},
"noaccess": func(t *TypeOneI) {
},
"pop": func(t *TypeOneI) {
a := t.St.Pop()
_ = a
},
"put": func(t *TypeOneI) {
a := t.St.Drop(3)
if a[0][0] == 'D' {
t.Dicts[strm.Int(string(a[0][1:]), 1)].Defs[string(a[1])] = a[2]
} else if a[0][0] == 'A' {
t.Arrays[strm.Int(string(a[0][1:]), 1)][strm.Int(string(a[1]), 1)] = a[2]
} else {
panic("Wrong dictionary or array!\n")
}
},
"readonly": func(t *TypeOneI) {
},
"readstring": func(t *TypeOneI) {
a := t.St.Drop(2)
c, _ := t.Rdr.Read(a[1])
t.St.Push(a[1][0:c])
t.St.Push(util.Bytes("true"))
},
"string": func(t *TypeOneI) {
a := t.St.Pop()
t.St.Push(make([]byte, strm.Int(string(a), 1)))
},
"userdict": func(t *TypeOneI) {
t.St.Push(util.Bytes("D0"))
},
"where": func(t *TypeOneI) {
a := t.St.Pop()
t.St.Push(util.Bytes("false"))
_ = a
},
}
for k, v := range ops {
Ops[k] = v
}
}
// hello world, the web server
func HelloServer(w http.ResponseWriter, req *http.Request) {
w.Header().Set("Content-Type", "image/svg+xml; charset=utf-8")
page := strm.Int(req.URL.RawQuery, 1) - 1
w.Write(svg.Page(pd, page, true))
}
