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Allow multipage PDF to be split #78

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Allow multipage PDF to be split #78

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4 changes: 4 additions & 0 deletions importer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ type Importer struct {
tplN int
writer *PdfWriter
importedPages map[string]int
writerCount int
}

type TplInfo struct {
Expand Down Expand Up @@ -59,6 +60,7 @@ func (this *Importer) init() {
this.tplMap = make(map[int]*TplInfo, 0)
this.writer, _ = NewPdfWriter("")
this.importedPages = make(map[string]int, 0)
this.writerCount = 0
}

func (this *Importer) SetSourceFile(f string) {
Expand All @@ -83,6 +85,8 @@ func (this *Importer) SetSourceFile(f string) {
// Make the next writer start template numbers at this.tplN
writer.SetTplIdOffset(this.tplN)
this.writers[this.sourceFile] = writer
writer.uid = this.writerCount
this.writerCount++
}
}

Expand Down
5 changes: 3 additions & 2 deletions writer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ type PdfWriter struct {
current_obj_id int
tpl_id_offset int
use_hash bool
uid int
}

type PdfObjectId struct {
Expand Down Expand Up @@ -380,7 +381,7 @@ func (this *PdfWriter) PutFormXobjects(reader *PdfReader) (map[string]*PdfObject
pdfObjId := new(PdfObjectId)
pdfObjId.id = cN
pdfObjId.hash = this.shaOfInt(cN)
result[fmt.Sprintf("/GOFPDITPL%d", i+this.tpl_id_offset)] = pdfObjId
result[fmt.Sprintf("/GOFPDITPL%d-%d", this.uid, i+this.tpl_id_offset)] = pdfObjId

this.out("<<" + filter + "/Type /XObject")
this.out("/Subtype /Form")
Expand Down Expand Up @@ -564,5 +565,5 @@ func (this *PdfWriter) UseTemplate(tplid int, _x float64, _y float64, _w float64
tData["ty"] = (0 - _y - _h)
tData["lty"] = (0 - _y - _h) - (0-h)*(_h/h)

return fmt.Sprintf("/GOFPDITPL%d", tplid+this.tpl_id_offset), tData["scaleX"], tData["scaleY"], tData["tx"] * this.k, tData["ty"] * this.k
return fmt.Sprintf("/GOFPDITPL%d-%d", this.uid, tplid+this.tpl_id_offset), tData["scaleX"], tData["scaleY"], tData["tx"] * this.k, tData["ty"] * this.k
}