X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=pdf%2Fxpdf%2FPage.cc;h=817e1d52823e3e16507693c91fe84bdcfad5bf4b;hb=5932479cc8c371a385616b5909df558a091b7111;hp=c601857730d131a9e384083ed2f7a0fbb15c26ea;hpb=2a393c134fe3fe8eb85bf818cb7ad6ae4396322a;p=evince.git diff --git a/pdf/xpdf/Page.cc b/pdf/xpdf/Page.cc index c6018577..817e1d52 100644 --- a/pdf/xpdf/Page.cc +++ b/pdf/xpdf/Page.cc @@ -2,16 +2,18 @@ // // Page.cc // -// Copyright 1996-2002 Glyph & Cog, LLC +// Copyright 1996-2003 Glyph & Cog, LLC // //======================================================================== -#ifdef __GNUC__ +#include + +#ifdef USE_GCC_PRAGMAS #pragma implementation #endif -#include #include +#include "GlobalParams.h" #include "Object.h" #include "Array.h" #include "Dict.h" @@ -57,8 +59,12 @@ PageAttrs::PageAttrs(PageAttrs *attrs, Dict *dict) { readBox(dict, "MediaBox", &mediaBox); // crop box - cropBox = mediaBox; - haveCropBox = readBox(dict, "CropBox", &cropBox); + if (readBox(dict, "CropBox", &cropBox)) { + haveCropBox = gTrue; + } + if (!haveCropBox) { + cropBox = mediaBox; + } // if the MediaBox is excessively larger than the CropBox, // just use the CropBox @@ -170,13 +176,10 @@ GBool PageAttrs::readBox(Dict *dict, char *key, PDFRectangle *box) { // Page //------------------------------------------------------------------------ -Page::Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA, - GBool printCommandsA) { - +Page::Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA) { ok = gTrue; xref = xrefA; num = numA; - printCommands = printCommandsA; // get attributes attrs = attrsA; @@ -200,6 +203,14 @@ Page::Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA, goto err1; } + // thumb + pageDict->lookupNF("Thumb", &thumb); + if (!(thumb.isStream() || thumb.isNull() || thumb.isRef())) { + error(-1, "Page thumb object (page %d) is wrong type (%s)", + num, thumb.getTypeName()); + thumb.initNull(); + } + return; err2: @@ -215,22 +226,96 @@ Page::~Page() { contents.free(); } -void Page::display(OutputDev *out, double dpi, int rotate, - Links *links, Catalog *catalog) { +void Page::display(OutputDev *out, double hDPI, double vDPI, + int rotate, GBool crop, + Links *links, Catalog *catalog, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData, + GBool (*annotDisplayDecideCbk)(Annot *annot, void *user_data), + void *annotDisplayDecideCbkData) { + displaySlice(out, hDPI, vDPI, rotate, crop, -1, -1, -1, -1, links, catalog, + abortCheckCbk, abortCheckCbkData, + annotDisplayDecideCbk, annotDisplayDecideCbkData); +} + +void Page::displaySlice(OutputDev *out, double hDPI, double vDPI, + int rotate, GBool crop, + int sliceX, int sliceY, int sliceW, int sliceH, + Links *links, Catalog *catalog, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData, + GBool (*annotDisplayDecideCbk)(Annot *annot, void *user_data), + void *annotDisplayDecideCbkData) { #ifndef PDF_PARSER_ONLY - PDFRectangle *box, *cropBox; + PDFRectangle *mediaBox, *cropBox; + PDFRectangle box; Gfx *gfx; Object obj; Link *link; - int i; Annots *annotList; + double kx, ky; + int i; - box = getBox(); + rotate += getRotate(); + if (rotate >= 360) { + rotate -= 360; + } else if (rotate < 0) { + rotate += 360; + } + + mediaBox = getBox(); + if (sliceW >= 0 && sliceH >= 0) { + kx = 72.0 / hDPI; + ky = 72.0 / vDPI; + if (rotate == 90) { + if (out->upsideDown()) { + box.x1 = mediaBox->x1 + ky * sliceY; + box.x2 = mediaBox->x1 + ky * (sliceY + sliceH); + } else { + box.x1 = mediaBox->x2 - ky * (sliceY + sliceH); + box.x2 = mediaBox->x2 - ky * sliceY; + } + box.y1 = mediaBox->y1 + kx * sliceX; + box.y2 = mediaBox->y1 + kx * (sliceX + sliceW); + } else if (rotate == 180) { + box.x1 = mediaBox->x2 - kx * (sliceX + sliceW); + box.x2 = mediaBox->x2 - kx * sliceX; + if (out->upsideDown()) { + box.y1 = mediaBox->y1 + ky * sliceY; + box.y2 = mediaBox->y1 + ky * (sliceY + sliceH); + } else { + box.y1 = mediaBox->y2 - ky * (sliceY + sliceH); + box.y2 = mediaBox->y2 - ky * sliceY; + } + } else if (rotate == 270) { + if (out->upsideDown()) { + box.x1 = mediaBox->x2 - ky * (sliceY + sliceH); + box.x2 = mediaBox->x2 - ky * sliceY; + } else { + box.x1 = mediaBox->x1 + ky * sliceY; + box.x2 = mediaBox->x1 + ky * (sliceY + sliceH); + } + box.y1 = mediaBox->y2 - kx * (sliceX + sliceW); + box.y2 = mediaBox->y2 - kx * sliceX; + } else { + box.x1 = mediaBox->x1 + kx * sliceX; + box.x2 = mediaBox->x1 + kx * (sliceX + sliceW); + if (out->upsideDown()) { + box.y1 = mediaBox->y2 - ky * (sliceY + sliceH); + box.y2 = mediaBox->y2 - ky * sliceY; + } else { + box.y1 = mediaBox->y1 + ky * sliceY; + box.y2 = mediaBox->y1 + ky * (sliceY + sliceH); + } + } + } else { + box = *mediaBox; + } cropBox = getCropBox(); - if (printCommands) { + if (globalParams->getPrintCommands()) { printf("***** MediaBox = ll:%g,%g ur:%g,%g\n", - box->x1, box->y1, box->x2, box->y2); + box.x1, box.y1, box.x2, box.y2); if (isCropped()) { printf("***** CropBox = ll:%g,%g ur:%g,%g\n", cropBox->x1, cropBox->y1, cropBox->x2, cropBox->y2); @@ -238,42 +323,46 @@ void Page::display(OutputDev *out, double dpi, int rotate, printf("***** Rotate = %d\n", attrs->getRotate()); } - rotate += getRotate(); - if (rotate >= 360) { - rotate -= 360; - } else if (rotate < 0) { - rotate += 360; - } gfx = new Gfx(xref, out, num, attrs->getResourceDict(), - dpi, box, isCropped(), cropBox, rotate, printCommands); + hDPI, vDPI, &box, crop && isCropped(), cropBox, rotate, + abortCheckCbk, abortCheckCbkData); contents.fetch(xref, &obj); if (!obj.isNull()) { + gfx->saveState(); gfx->display(&obj); + gfx->restoreState(); } obj.free(); // draw links if (links) { + gfx->saveState(); for (i = 0; i < links->getNumLinks(); ++i) { link = links->getLink(i); out->drawLink(link, catalog); } + gfx->restoreState(); out->dump(); } // draw non-link annotations - //~ need to reset CTM ??? annotList = new Annots(xref, annots.fetch(xref, &obj)); obj.free(); +#ifdef USE_ANNOTS_VIEW if (annotList->getNumAnnots() > 0) { - if (printCommands) { + if (globalParams->getPrintCommands()) { printf("***** Annotations\n"); } for (i = 0; i < annotList->getNumAnnots(); ++i) { - annotList->getAnnot(i)->draw(gfx); + Annot *annot = annotList->getAnnot(i); + if ((annotDisplayDecideCbk && + (*annotDisplayDecideCbk)(annot, annotDisplayDecideCbkData)) || + !annotDisplayDecideCbk) + annot->draw(gfx); } out->dump(); } +#endif delete annotList; delete gfx;