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package poppler
// #cgo pkg-config: poppler-glib
// #include <poppler.h>
// #include <stdlib.h>
// #include <glib.h>
// #include <unistd.h>
import "C"
import (
"errors"
"unsafe"
"path/filepath"
)
type Document struct {
doc poppDoc
openedPages []*Page
}
type DocumentInfo struct {
PdfVersion string `json:"pdf_version,omitempty"`
Title string `json:"title,omitempty"`
Author string `json:"author,omitempty"`
Subject string `json:"subject,omitempty"`
KeyWords string `json:"keywords,omitempty"`
Creator string `json:"creator,omitempty"`
Producer string `json:"producer,omitempty"`
Metadata string `json:"metadata,omitempty"`
CreationDate int `json:"creation_date,omitempty"`
ModificationDate int `json:"modification_date,omitempty"`
Pages int `json:"pages_number,omitempty"`
IsLinearized bool `json:"is_linearized,omitempty"`
}
func (d *Document) Info() DocumentInfo {
return DocumentInfo{
PdfVersion: toString(C.poppler_document_get_pdf_version_string(d.doc)),
Title: toString(C.poppler_document_get_title(d.doc)),
Author: toString(C.poppler_document_get_author(d.doc)),
Subject: toString(C.poppler_document_get_subject(d.doc)),
KeyWords: toString(C.poppler_document_get_keywords(d.doc)),
Creator: toString(C.poppler_document_get_creator(d.doc)),
Producer: toString(C.poppler_document_get_producer(d.doc)),
Metadata: toString(C.poppler_document_get_metadata(d.doc)),
CreationDate: int(C.poppler_document_get_creation_date(d.doc)),
ModificationDate: int(C.poppler_document_get_modification_date(d.doc)),
Pages: int(C.poppler_document_get_n_pages(d.doc)),
IsLinearized: toBool(C.poppler_document_is_linearized(d.doc)),
}
}
func (d *Document) GetNPages() int {
return int(C.poppler_document_get_n_pages(d.doc))
}
func (d *Document) GetPage(i int) (page *Page) {
p := C.poppler_document_get_page(d.doc, C.int(i))
page = &Page{
p: p,
openedAnnots: nil,
}
d.openedPages = append(d.openedPages, page)
return page
}
func (d *Document) HasAttachments() bool {
return toBool(C.poppler_document_has_attachments(d.doc))
}
func (d *Document) GetNAttachments() int {
return int(C.poppler_document_get_n_attachments(d.doc))
}
func (d *Document) Close() {
for i := 0; i < len(d.openedPages); i++ {
d.openedPages[i].Close()
}
d.openedPages = []*Page{}
C.g_object_unref(C.gpointer(d.doc))
}
func (d *Document) NewAnnot(t AnnotType, r Rectangle, q []Quad) (Annot, error) {
am := C.poppler_annot_mapping_new();
annot := Annot {
am: am,
}
pRect := rectangleToPopplerRectangle(r)
pQuad := quadsToGArray(q)
defer C.g_array_free(pQuad, 1)
switch (t){
case AnnotHighlight:
am.annot = C.poppler_annot_text_markup_new_highlight(d.doc, &pRect, pQuad)
case AnnotUnderline:
am.annot = C.poppler_annot_text_markup_new_underline(d.doc, &pRect, pQuad)
case AnnotSquiggly:
am.annot = C.poppler_annot_text_markup_new_squiggly(d.doc, &pRect, pQuad)
case AnnotStrikeOut:
am.annot = C.poppler_annot_text_markup_new_strikeout(d.doc, &pRect, pQuad)
default:
C.poppler_annot_mapping_free(am)
return annot, errors.New("invalid type for new annotation")
}
if am.annot == nil {
C.poppler_annot_mapping_free(am)
return annot, errors.New("failed to create annotation")
}
/* Can't get real annot mapping area as done in
* poppler_page_get_annot_mapping() since page is
* needed for page->page->getCropBox() and
* page->page->getRotate()
*
* as a placeholder we just use the annot rect
*/
annot.am.area = pRect
return annot, nil
}
func (d *Document) Save(filename string) (saved bool, err error) {
filename, err = filepath.Abs(filename)
if err != nil {
return false, err
}
var e *C.GError
cFilename := (*C.gchar)(C.CString(filename))
defer C.free(unsafe.Pointer(cFilename))
cUri := C.g_filename_to_uri(cFilename, nil, nil)
cBool := C.poppler_document_save (d.doc, cUri, &e);
if e != nil {
err = errors.New(C.GoString((*C.char)(e.message)))
return false, err
}
if cBool == C.TRUE {
return true, nil
}
return false, nil
}
/*
func (d *Document) GetAttachments() []Attachment {
return
}
*/
|
