X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=inline;f=pdf%2Fxpdf%2FPDFDoc.cc;h=031ffc50df93beb099d43ba53dfdc1cbd8566d18;hb=a2f683fe644fded868c536909907282555b1b777;hp=06b1cd7926f3e5f5fb64bae980544862a5e691d0;hpb=6bf8080516ffe50afba89f1f07f486000423bcd8;p=evince.git diff --git a/pdf/xpdf/PDFDoc.cc b/pdf/xpdf/PDFDoc.cc index 06b1cd79..031ffc50 100644 --- a/pdf/xpdf/PDFDoc.cc +++ b/pdf/xpdf/PDFDoc.cc @@ -2,28 +2,37 @@ // // PDFDoc.cc // -// Copyright 1996 Derek B. Noonburg +// Copyright 1996-2003 Glyph & Cog, LLC // //======================================================================== -#ifdef __GNUC__ +#include + +#ifdef USE_GCC_PRAGMAS #pragma implementation #endif +#include #include #include #include #include #include "GString.h" -#include "config.h" +#include "xpdfconfig.h" +#include "GlobalParams.h" #include "Page.h" #include "Catalog.h" #include "Stream.h" #include "XRef.h" #include "Link.h" #include "OutputDev.h" -#include "Params.h" #include "Error.h" +#include "ErrorCodes.h" +#include "Lexer.h" +#include "Parser.h" +#ifndef DISABLE_OUTLINE +#include "Outline.h" +#endif #include "PDFDoc.h" //------------------------------------------------------------------------ @@ -35,25 +44,37 @@ // PDFDoc //------------------------------------------------------------------------ -PDFDoc::PDFDoc(GString *fileName1) { +PDFDoc::PDFDoc(GString *fileNameA, GString *ownerPassword, + GString *userPassword) { Object obj; - GString *fileName2; + GString *fileName1, *fileName2; ok = gFalse; + errCode = errNone; file = NULL; str = NULL; + xref = NULL; + catalog = NULL; + links = NULL; +#ifndef DISABLE_OUTLINE + outline = NULL; +#endif + + fileName = fileNameA; + fileName1 = fileName; + // try to open file - fileName = fileName1; 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"))) { @@ -61,6 +82,7 @@ PDFDoc::PDFDoc(GString *fileName1) { if (!(file = fopen(fileName2->getCString(), "rb"))) { error(-1, "Couldn't open file '%s'", fileName->getCString()); delete fileName2; + errCode = errOpenFile; return; } } @@ -70,49 +92,64 @@ PDFDoc::PDFDoc(GString *fileName1) { // create stream obj.initNull(); - str = new FileStream(file, 0, -1, &obj); + str = new FileStream(file, 0, gFalse, 0, &obj); - ok = setup(); + ok = setup(ownerPassword, userPassword); } -PDFDoc::PDFDoc(BaseStream *str) { +PDFDoc::PDFDoc(BaseStream *strA, GString *ownerPassword, + GString *userPassword) { ok = gFalse; + errCode = errNone; fileName = NULL; file = NULL; - this->str = str; - ok = setup(); -} - -GBool PDFDoc::setup() { - Object catObj; - + str = strA; xref = NULL; catalog = NULL; links = NULL; +#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); + xref = new XRef(str, ownerPassword, userPassword); if (!xref->isOk()) { error(-1, "Couldn't read xref table"); + errCode = xref->getErrorCode(); return gFalse; } // read catalog - catalog = new Catalog(xref->getCatalog(&catObj)); - catObj.free(); + 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; } @@ -138,9 +175,9 @@ PDFDoc::~PDFDoc() { void PDFDoc::checkHeader() { char hdrBuf[headerSearchSize+1]; char *p; - double version; int i; + pdfVersion = 0; for (i = 0; i < headerSearchSize; ++i) { hdrBuf[i] = str->getChar(); } @@ -156,49 +193,108 @@ void PDFDoc::checkHeader() { } str->moveStart(i); p = strtok(&hdrBuf[i+5], " \t\n\r"); - version = atof(p); + { + char *theLocale = setlocale(LC_NUMERIC, "C"); + pdfVersion = atof(p); + setlocale(LC_NUMERIC, theLocale); + } if (!(hdrBuf[i+5] >= '0' && hdrBuf[i+5] <= '9') || - version > pdfVersionNum + 0.0001) { + pdfVersion > supportedPDFVersionNum + 0.0001) { error(-1, "PDF version %s -- xpdf supports version %s" - " (continuing anyway)", p, pdfVersion); + " (continuing anyway)", p, supportedPDFVersionStr); } } -void PDFDoc::displayPage(OutputDev *out, int page, int zoom, int rotate, - GBool doLinks) { - Link *link; - double x1, y1, x2, y2; - double w; - int i; +void PDFDoc::displayPage(OutputDev *out, int page, double hDPI, double vDPI, + int rotate, GBool crop, GBool doLinks, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData, + GBool (*annotDisplayDecideCbk)(Annot *annot, void *user_data), + void *annotDisplayDecideCbkData) { + Page *p; - if (printCommands) + if (globalParams->getPrintCommands()) { printf("***** page %d *****\n", page); - catalog->getPage(page)->display(out, zoom, rotate); + } + p = catalog->getPage(page); if (doLinks) { - if (links) + if (links) { delete links; - getLinks(page); - for (i = 0; i < links->getNumLinks(); ++i) { - link = links->getLink(i); - link->getBorder(&x1, &y1, &x2, &y2, &w); - if (w > 0) - out->drawLinkBorder(x1, y1, x2, y2, w); + links = NULL; } - out->dump(); + getLinks(p); + p->display(out, hDPI, vDPI, rotate, crop, links, catalog, + abortCheckCbk, abortCheckCbkData, + annotDisplayDecideCbk, annotDisplayDecideCbkData); + } else { + p->display(out, hDPI, vDPI, rotate, crop, NULL, catalog, + abortCheckCbk, abortCheckCbkData, + annotDisplayDecideCbk, annotDisplayDecideCbkData); } } void PDFDoc::displayPages(OutputDev *out, int firstPage, int lastPage, - int zoom, int rotate) { - Page *p; + double hDPI, double vDPI, int rotate, + GBool crop, GBool doLinks, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData, + GBool (*annotDisplayDecideCbk)(Annot *annot, void *user_data), + void *annotDisplayDecideCbkData) { int page; for (page = firstPage; page <= lastPage; ++page) { - if (printCommands) - printf("***** page %d *****\n", page); - p = catalog->getPage(page); - p->display(out, zoom, rotate); + displayPage(out, page, hDPI, vDPI, rotate, crop, doLinks, + abortCheckCbk, abortCheckCbkData, + annotDisplayDecideCbk, annotDisplayDecideCbkData); + } +} + +void PDFDoc::displayPageSlice(OutputDev *out, int page, + double hDPI, double vDPI, + int rotate, GBool crop, + int sliceX, int sliceY, int sliceW, int sliceH, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData, + GBool (*annotDisplayDecideCbk)(Annot *annot, void *user_data), + void *annotDisplayDecideCbkData) { + Page *p; + + p = catalog->getPage(page); + p->displaySlice(out, hDPI, vDPI, rotate, crop, + sliceX, sliceY, sliceW, sliceH, + NULL, catalog, + abortCheckCbk, abortCheckCbkData, + annotDisplayDecideCbk, annotDisplayDecideCbkData); +} + +GBool PDFDoc::isLinearized() { + Parser *parser; + Object obj1, obj2, obj3, obj4, obj5; + GBool lin; + + lin = gFalse; + obj1.initNull(); + parser = new Parser(xref, + new Lexer(xref, + str->makeSubStream(str->getStart(), gFalse, 0, &obj1))); + parser->getObj(&obj1); + parser->getObj(&obj2); + parser->getObj(&obj3); + parser->getObj(&obj4); + if (obj1.isInt() && obj2.isInt() && obj3.isCmd("obj") && + obj4.isDict()) { + obj4.dictLookup("Linearized", &obj5); + if (obj5.isNum() && obj5.getNum() > 0) { + lin = gTrue; + } + obj5.free(); } + obj4.free(); + obj3.free(); + obj2.free(); + obj1.free(); + delete parser; + return lin; } GBool PDFDoc::saveAs(GString *name) { @@ -213,14 +309,14 @@ GBool PDFDoc::saveAs(GString *name) { while ((c = str->getChar()) != EOF) { fputc(c, f); } + str->close(); fclose(f); return gTrue; } -void PDFDoc::getLinks(int page) { +void PDFDoc::getLinks(Page *page) { Object obj; - links = new Links(catalog->getPage(page)->getAnnots(&obj), - catalog->getBaseURI()); + links = new Links(page->getAnnots(&obj), catalog->getBaseURI()); obj.free(); }