//
// PDFDoc.cc
//
-// Copyright 1996-2002 Glyph & Cog, LLC
+// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================
-#ifdef __GNUC__
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
-#include <aconf.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
+#ifdef WIN32
+# include <windows.h>
+#endif
#include "GString.h"
#include "config.h"
+#include "GlobalParams.h"
#include "Page.h"
#include "Catalog.h"
#include "Stream.h"
#include "ErrorCodes.h"
#include "Lexer.h"
#include "Parser.h"
+#include "SecurityHandler.h"
+#ifndef DISABLE_OUTLINE
+#include "Outline.h"
+#endif
#include "PDFDoc.h"
//------------------------------------------------------------------------
//------------------------------------------------------------------------
PDFDoc::PDFDoc(GString *fileNameA, GString *ownerPassword,
- GString *userPassword, GBool printCommandsA) {
+ GString *userPassword, void *guiDataA) {
Object obj;
- GString *fileName2;
+ GString *fileName1, *fileName2;
ok = gFalse;
errCode = errNone;
+ guiData = guiDataA;
+
file = NULL;
str = NULL;
xref = NULL;
catalog = NULL;
links = NULL;
- printCommands = printCommandsA;
+#ifndef DISABLE_OUTLINE
+ outline = NULL;
+#endif
- // try to open file
fileName = fileNameA;
+ fileName1 = fileName;
+
+
+ // try to open file
fileName2 = NULL;
#ifdef VMS
- if (!(file = fopen(fileName->getCString(), "rb", "ctx=stm"))) {
- error(-1, "Couldn't open file '%s'", fileName->getCString());
+ if (!(file = fopen(fileName1->getCString(), "rb", "ctx=stm"))) {
+ error(-1, "Couldn't open file '%s'", fileName1->getCString());
errCode = errOpenFile;
return;
}
#else
- if (!(file = fopen(fileName->getCString(), "rb"))) {
+ if (!(file = fopen(fileName1->getCString(), "rb"))) {
fileName2 = fileName->copy();
fileName2->lowerCase();
if (!(file = fopen(fileName2->getCString(), "rb"))) {
ok = setup(ownerPassword, userPassword);
}
+#ifdef WIN32
+PDFDoc::PDFDoc(wchar_t *fileNameA, int fileNameLen, GString *ownerPassword,
+ GString *userPassword, void *guiDataA) {
+ OSVERSIONINFO version;
+ wchar_t fileName2[_MAX_PATH + 1];
+ Object obj;
+ int i;
+
+ ok = gFalse;
+ errCode = errNone;
+
+ guiData = guiDataA;
+
+ file = NULL;
+ str = NULL;
+ xref = NULL;
+ catalog = NULL;
+ links = NULL;
+#ifndef DISABLE_OUTLINE
+ outline = NULL;
+#endif
+
+ //~ file name should be stored in Unicode (?)
+ fileName = new GString();
+ for (i = 0; i < fileNameLen; ++i) {
+ fileName->append((char)fileNameA[i]);
+ }
+
+ // zero-terminate the file name string
+ for (i = 0; i < fileNameLen && i < _MAX_PATH; ++i) {
+ fileName2[i] = fileNameA[i];
+ }
+ fileName2[i] = 0;
+
+ // try to open file
+ // NB: _wfopen is only available in NT
+ version.dwOSVersionInfoSize = sizeof(version);
+ GetVersionEx(&version);
+ if (version.dwPlatformId == VER_PLATFORM_WIN32_NT) {
+ file = _wfopen(fileName2, L"rb");
+ } else {
+ file = fopen(fileName->getCString(), "rb");
+ }
+ if (!file) {
+ error(-1, "Couldn't open file '%s'", fileName->getCString());
+ errCode = errOpenFile;
+ return;
+ }
+
+ // create stream
+ obj.initNull();
+ str = new FileStream(file, 0, gFalse, 0, &obj);
+
+ ok = setup(ownerPassword, userPassword);
+}
+#endif
+
PDFDoc::PDFDoc(BaseStream *strA, GString *ownerPassword,
- GString *userPassword, GBool printCommandsA) {
+ GString *userPassword, void *guiDataA) {
ok = gFalse;
errCode = errNone;
+ guiData = guiDataA;
fileName = NULL;
file = NULL;
str = strA;
xref = NULL;
catalog = NULL;
links = NULL;
- printCommands = printCommandsA;
+#ifndef DISABLE_OUTLINE
+ outline = NULL;
+#endif
ok = setup(ownerPassword, userPassword);
}
GBool PDFDoc::setup(GString *ownerPassword, GString *userPassword) {
+ str->reset();
+
// check header
checkHeader();
// read xref table
- xref = new XRef(str, ownerPassword, userPassword);
+ xref = new XRef(str);
if (!xref->isOk()) {
error(-1, "Couldn't read xref table");
errCode = xref->getErrorCode();
return gFalse;
}
+ // check for encryption
+ if (!checkEncryption(ownerPassword, userPassword)) {
+ errCode = errEncrypted;
+ return gFalse;
+ }
+
// read catalog
- catalog = new Catalog(xref, printCommands);
+ catalog = new Catalog(xref);
if (!catalog->isOk()) {
error(-1, "Couldn't read page catalog");
errCode = errBadCatalog;
return gFalse;
}
+#ifndef DISABLE_OUTLINE
+ // read outline
+ outline = new Outline(catalog->getOutline(), xref);
+#endif
+
// done
return gTrue;
}
PDFDoc::~PDFDoc() {
+#ifndef DISABLE_OUTLINE
+ if (outline) {
+ delete outline;
+ }
+#endif
if (catalog) {
delete catalog;
}
return;
}
str->moveStart(i);
- p = strtok(&hdrBuf[i+5], " \t\n\r");
+ if (!(p = strtok(&hdrBuf[i+5], " \t\n\r"))) {
+ error(-1, "May not be a PDF file (continuing anyway)");
+ return;
+ }
pdfVersion = atof(p);
if (!(hdrBuf[i+5] >= '0' && hdrBuf[i+5] <= '9') ||
pdfVersion > supportedPDFVersionNum + 0.0001) {
}
}
-void PDFDoc::displayPage(OutputDev *out, int page, double zoom,
- int rotate, GBool doLinks) {
+GBool PDFDoc::checkEncryption(GString *ownerPassword, GString *userPassword) {
+ Object encrypt;
+ GBool encrypted;
+ SecurityHandler *secHdlr;
+ GBool ret;
+
+ xref->getTrailerDict()->dictLookup("Encrypt", &encrypt);
+ if ((encrypted = encrypt.isDict())) {
+ if ((secHdlr = SecurityHandler::make(this, &encrypt))) {
+ if (secHdlr->checkEncryption(ownerPassword, userPassword)) {
+ // authorization succeeded
+ xref->setEncryption(secHdlr->getPermissionFlags(),
+ secHdlr->getOwnerPasswordOk(),
+ secHdlr->getFileKey(),
+ secHdlr->getFileKeyLength(),
+ secHdlr->getEncVersion());
+ ret = gTrue;
+ } else {
+ // authorization failed
+ ret = gFalse;
+ }
+ delete secHdlr;
+ } else {
+ // couldn't find the matching security handler
+ ret = gFalse;
+ }
+ } else {
+ // document is not encrypted
+ ret = gTrue;
+ }
+ encrypt.free();
+ return ret;
+}
+
+void PDFDoc::displayPage(OutputDev *out, int page, double hDPI, double vDPI,
+ int rotate, GBool useMediaBox, GBool crop,
+ GBool doLinks,
+ GBool (*abortCheckCbk)(void *data),
+ void *abortCheckCbkData) {
Page *p;
- if (printCommands) {
+ if (globalParams->getPrintCommands()) {
printf("***** page %d *****\n", page);
}
p = catalog->getPage(page);
delete links;
}
getLinks(p);
- p->display(out, zoom, rotate, links, catalog);
+ p->display(out, hDPI, vDPI, rotate, useMediaBox, crop, links, catalog,
+ abortCheckCbk, abortCheckCbkData);
} else {
- p->display(out, zoom, rotate, NULL, catalog);
+ p->display(out, hDPI, vDPI, rotate, useMediaBox, crop, NULL, catalog,
+ abortCheckCbk, abortCheckCbkData);
}
}
void PDFDoc::displayPages(OutputDev *out, int firstPage, int lastPage,
- int zoom, int rotate, GBool doLinks) {
+ double hDPI, double vDPI, int rotate,
+ GBool useMediaBox, GBool crop, GBool doLinks,
+ GBool (*abortCheckCbk)(void *data),
+ void *abortCheckCbkData) {
int page;
for (page = firstPage; page <= lastPage; ++page) {
- displayPage(out, page, zoom, rotate, doLinks);
+ displayPage(out, page, hDPI, vDPI, rotate, useMediaBox, crop, doLinks,
+ abortCheckCbk, abortCheckCbkData);
+ }
+}
+
+void PDFDoc::displayPageSlice(OutputDev *out, int page,
+ double hDPI, double vDPI, int rotate,
+ GBool useMediaBox, GBool crop, GBool doLinks,
+ int sliceX, int sliceY, int sliceW, int sliceH,
+ GBool (*abortCheckCbk)(void *data),
+ void *abortCheckCbkData) {
+ Page *p;
+
+ p = catalog->getPage(page);
+ if (doLinks) {
+ if (links) {
+ delete links;
+ }
+ getLinks(p);
+ p->displaySlice(out, hDPI, vDPI, rotate, useMediaBox, crop,
+ sliceX, sliceY, sliceW, sliceH,
+ links, catalog, abortCheckCbk, abortCheckCbkData);
+ } else {
+ p->displaySlice(out, hDPI, vDPI, rotate, useMediaBox, crop,
+ sliceX, sliceY, sliceW, sliceH,
+ NULL, catalog, abortCheckCbk, abortCheckCbkData);
}
}
+Links *PDFDoc::takeLinks() {
+ Links *ret;
+
+ ret = links;
+ links = NULL;
+ return ret;
+}
+
GBool PDFDoc::isLinearized() {
Parser *parser;
Object obj1, obj2, obj3, obj4, obj5;
git.asbjorn.biz / swftools.git / blobdiff