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// -*- C++ -*-
//========================================================================
//
// PDFDoc.h
//
// Copyright 1996-2002 Glyph & Cog, LLC
//
//========================================================================
#ifndef PDFDOC_H
#define PDFDOC_H
#include "aconf.h"
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
#include <stdio.h>
#include "ocfile.h"
#include "xref.h"
#include "link.h"
#include "catalog.h"
#include "page.h"
class GString;
class BaseStream;
class OutputDev;
class Links;
class LinkAction;
class LinkDest;
class Outline;
//------------------------------------------------------------------------
// PDFDoc
//------------------------------------------------------------------------
class PDFDoc {
public:
PDFDoc(GString *fileNameA, GString *ownerPassword = NULL,
GString *userPassword = NULL);
PDFDoc(BaseStream *strA, GString *ownerPassword = NULL,
GString *userPassword = NULL);
~PDFDoc();
// Was PDF document successfully opened?
GBool isOk() { return ok; }
// Get the error code (if isOk() returns false).
int getErrorCode() { return errCode; }
// Get file name.
GString *getFileName() { return fileName; }
// Get the xref table.
XRef *getXRef() { return xref; }
// Get catalog.
Catalog *getCatalog() { return catalog; }
// Get base stream.
BaseStream *getBaseStream() { return str; }
// Get page parameters.
double getPageWidth(int page)
{ return catalog->getPage(page)->getWidth(); }
double getPageHeight(int page)
{ return catalog->getPage(page)->getHeight(); }
int getPageRotate(int page)
{ return catalog->getPage(page)->getRotate(); }
// Get number of pages.
int getNumPages() { return catalog->getNumPages(); }
// Return the contents of the metadata stream, or NULL if there is
// no metadata.
GString *readMetadata() { return catalog->readMetadata(); }
// Return the structure tree root object.
Object *getStructTreeRoot() { return catalog->getStructTreeRoot(); }
// Display a page.
void displayPage(OutputDev *out, int page, double zoom,
int rotate, GBool doLinks,
GBool (*abortCheckCbk)(void *data) = NULL,
void *abortCheckCbkData = NULL);
// Display a range of pages.
void displayPages(OutputDev *out, int firstPage, int lastPage,
int zoom, int rotate, GBool doLinks,
GBool (*abortCheckCbk)(void *data) = NULL,
void *abortCheckCbkData = NULL);
// Display part of a page.
void displayPageSlice(OutputDev *out, int page, double zoom,
int rotate, int sliceX, int sliceY,
int sliceW, int sliceH,
GBool (*abortCheckCbk)(void *data) = NULL,
void *abortCheckCbkData = NULL);
// Find a page, given its object ID. Returns page number, or 0 if
// not found.
int findPage(int num, int gen) { return catalog->findPage(num, gen); }
// If point <x>,<y> is in a link, return the associated action;
// else return NULL.
LinkAction *findLink(double x, double y) { return links->find(x, y); }
// Return true if <x>,<y> is in a link.
GBool onLink(double x, double y) { return links->onLink(x, y); }
// Find a named destination. Returns the link destination, or
// NULL if <name> is not a destination.
LinkDest *findDest(GString *name)
{ return catalog->findDest(name); }
#ifndef DISABLE_OUTLINE
// Return the outline object.
Outline *getOutline() { return outline; }
#endif
// Is the file encrypted?
GBool isEncrypted() { return xref->isEncrypted(); }
// Check various permissions.
GBool okToPrint(GBool ignoreOwnerPW = gFalse)
{ return xref->okToPrint(ignoreOwnerPW); }
GBool okToChange(GBool ignoreOwnerPW = gFalse)
{ return xref->okToChange(ignoreOwnerPW); }
GBool okToCopy(GBool ignoreOwnerPW = gFalse)
{ return xref->okToCopy(ignoreOwnerPW); }
GBool okToAddNotes(GBool ignoreOwnerPW = gFalse)
{ return xref->okToAddNotes(ignoreOwnerPW); }
// Is this document linearized?
GBool isLinearized();
// Return the document's Info dictionary (if any).
Object *getDocInfo(Object *obj) { return xref->getDocInfo(obj); }
Object *getDocInfoNF(Object *obj) { return xref->getDocInfoNF(obj); }
// Return the PDF version specified by the file.
double getPDFVersion() { return pdfVersion; }
// Save this file with another name.
GBool saveAs(GString *name);
private:
GBool setup(GString *ownerPassword, GString *userPassword);
void checkHeader();
void getLinks(Page *page);
GString *fileName;
OCFILE *file;
BaseStream *str;
double pdfVersion;
XRef *xref;
Catalog *catalog;
Links *links;
#ifndef DISABLE_OUTLINE
Outline *outline;
#endif
GBool ok;
int errCode;
};
#endif
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