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 main() {
if len(os.Args) == 1 || len(os.Args) > 3 {
complain("")
}
page := 0
if len(os.Args) > 2 {
page = strm.Int(os.Args[2], 1) - 1
if page < 0 {
complain("Bad page!\n\n")
}
}
pd := pdfread.Load(os.Args[1])
if pd == nil {
complain("Could not load pdf file!\n\n")
}
fmt.Printf("%s", svg.Page(pd, page))
}
// 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))
}
}
func (t *TypeOneI) op_ifelse(a [][]byte) {
p := a[2]
if string(a[0]) == "true" {
p = a[1]
}
if len(p) > 2 && p[0] == '{' {
proceed(t, fancy.SliceReader(p[1:len(p)-1]))
}
}
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()
