X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=pdf2swf%2Fxpdf%2FPage.cc;h=6ef843358a4224f090a72f51a901c60d1fe09557;hb=f3bc04e70501213ea1d9d2aa22d5c2fa550dab3f;hp=c601857730d131a9e384083ed2f7a0fbb15c26ea;hpb=50dd339d3d6262763616efe8d7ee415ab19befb9;p=swftools.git diff --git a/pdf2swf/xpdf/Page.cc b/pdf2swf/xpdf/Page.cc index c601857..6ef8433 100644 --- a/pdf2swf/xpdf/Page.cc +++ b/pdf2swf/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" @@ -20,6 +22,7 @@ #include "OutputDev.h" #ifndef PDF_PARSER_ONLY #include "Gfx.h" +#include "GfxState.h" #include "Annot.h" #endif #include "Error.h" @@ -31,7 +34,6 @@ PageAttrs::PageAttrs(PageAttrs *attrs, Dict *dict) { Object obj1; - double w, h; // get old/default values if (attrs) { @@ -57,19 +59,11 @@ PageAttrs::PageAttrs(PageAttrs *attrs, Dict *dict) { readBox(dict, "MediaBox", &mediaBox); // crop box - cropBox = mediaBox; - haveCropBox = readBox(dict, "CropBox", &cropBox); - - // if the MediaBox is excessively larger than the CropBox, - // just use the CropBox - limitToCropBox = gFalse; - if (haveCropBox) { - w = 0.25 * (cropBox.x2 - cropBox.x1); - h = 0.25 * (cropBox.y2 - cropBox.y1); - if ((cropBox.x1 - mediaBox.x1) + (mediaBox.x2 - cropBox.x2) > w || - (cropBox.y1 - mediaBox.y1) + (mediaBox.y2 - cropBox.y2) > h) { - limitToCropBox = gTrue; - } + if (readBox(dict, "CropBox", &cropBox)) { + haveCropBox = gTrue; + } + if (!haveCropBox) { + cropBox = mediaBox; } // other boxes @@ -122,6 +116,7 @@ PageAttrs::~PageAttrs() { GBool PageAttrs::readBox(Dict *dict, char *key, PDFRectangle *box) { PDFRectangle tmp; + double t; Object obj1, obj2; GBool ok; @@ -157,6 +152,12 @@ GBool PageAttrs::readBox(Dict *dict, char *key, PDFRectangle *box) { } obj2.free(); if (ok) { + if (tmp.x1 > tmp.x2) { + t = tmp.x1; tmp.x1 = tmp.x2; tmp.x2 = t; + } + if (tmp.y1 > tmp.y2) { + t = tmp.y1; tmp.y1 = tmp.y2; tmp.y2 = t; + } *box = tmp; } } else { @@ -170,13 +171,10 @@ 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; @@ -215,28 +213,31 @@ 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 useMediaBox, GBool crop, + Links *links, Catalog *catalog, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData) { + displaySlice(out, hDPI, vDPI, rotate, useMediaBox, crop, + -1, -1, -1, -1, links, catalog, + abortCheckCbk, abortCheckCbkData); +} + +void Page::displaySlice(OutputDev *out, double hDPI, double vDPI, + int rotate, GBool useMediaBox, GBool crop, + int sliceX, int sliceY, int sliceW, int sliceH, + Links *links, Catalog *catalog, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData) { #ifndef PDF_PARSER_ONLY - PDFRectangle *box, *cropBox; + PDFRectangle *mediaBox, *cropBox, *baseBox; + PDFRectangle box; Gfx *gfx; Object obj; Link *link; - int i; Annots *annotList; - - box = getBox(); - cropBox = getCropBox(); - - if (printCommands) { - printf("***** MediaBox = ll:%g,%g ur:%g,%g\n", - 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); - } - printf("***** Rotate = %d\n", attrs->getRotate()); - } + double kx, ky; + int i; rotate += getRotate(); if (rotate >= 360) { @@ -244,29 +245,96 @@ void Page::display(OutputDev *out, double dpi, int rotate, } else if (rotate < 0) { rotate += 360; } + + mediaBox = getMediaBox(); + cropBox = getCropBox(); + if (sliceW >= 0 && sliceH >= 0) { + baseBox = useMediaBox ? mediaBox : cropBox; + kx = 72.0 / hDPI; + ky = 72.0 / vDPI; + if (rotate == 90) { + if (out->upsideDown()) { + box.x1 = baseBox->x1 + ky * sliceY; + box.x2 = baseBox->x1 + ky * (sliceY + sliceH); + } else { + box.x1 = baseBox->x2 - ky * (sliceY + sliceH); + box.x2 = baseBox->x2 - ky * sliceY; + } + box.y1 = baseBox->y1 + kx * sliceX; + box.y2 = baseBox->y1 + kx * (sliceX + sliceW); + } else if (rotate == 180) { + box.x1 = baseBox->x2 - kx * (sliceX + sliceW); + box.x2 = baseBox->x2 - kx * sliceX; + if (out->upsideDown()) { + box.y1 = baseBox->y1 + ky * sliceY; + box.y2 = baseBox->y1 + ky * (sliceY + sliceH); + } else { + box.y1 = baseBox->y2 - ky * (sliceY + sliceH); + box.y2 = baseBox->y2 - ky * sliceY; + } + } else if (rotate == 270) { + if (out->upsideDown()) { + box.x1 = baseBox->x2 - ky * (sliceY + sliceH); + box.x2 = baseBox->x2 - ky * sliceY; + } else { + box.x1 = baseBox->x1 + ky * sliceY; + box.x2 = baseBox->x1 + ky * (sliceY + sliceH); + } + box.y1 = baseBox->y2 - kx * (sliceX + sliceW); + box.y2 = baseBox->y2 - kx * sliceX; + } else { + box.x1 = baseBox->x1 + kx * sliceX; + box.x2 = baseBox->x1 + kx * (sliceX + sliceW); + if (out->upsideDown()) { + box.y1 = baseBox->y2 - ky * (sliceY + sliceH); + box.y2 = baseBox->y2 - ky * sliceY; + } else { + box.y1 = baseBox->y1 + ky * sliceY; + box.y2 = baseBox->y1 + ky * (sliceY + sliceH); + } + } + } else if (useMediaBox) { + box = *mediaBox; + } else { + box = *cropBox; + crop = gFalse; + } + + if (globalParams->getPrintCommands()) { + printf("***** MediaBox = ll:%g,%g ur:%g,%g\n", + mediaBox->x1, mediaBox->y1, mediaBox->x2, mediaBox->y2); + printf("***** CropBox = ll:%g,%g ur:%g,%g\n", + cropBox->x1, cropBox->y1, cropBox->x2, cropBox->y2); + printf("***** Rotate = %d\n", attrs->getRotate()); + } + gfx = new Gfx(xref, out, num, attrs->getResourceDict(), - dpi, box, isCropped(), cropBox, rotate, printCommands); + hDPI, vDPI, &box, crop ? cropBox : (PDFRectangle *)NULL, + 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)); + annotList = new Annots(xref, catalog, annots.fetch(xref, &obj)); obj.free(); if (annotList->getNumAnnots() > 0) { - if (printCommands) { + if (globalParams->getPrintCommands()) { printf("***** Annotations\n"); } for (i = 0; i < annotList->getNumAnnots(); ++i) { @@ -279,3 +347,21 @@ void Page::display(OutputDev *out, double dpi, int rotate, delete gfx; #endif } + +void Page::getDefaultCTM(double *ctm, double hDPI, double vDPI, + int rotate, GBool upsideDown) { + GfxState *state; + int i; + + rotate += getRotate(); + if (rotate >= 360) { + rotate -= 360; + } else if (rotate < 0) { + rotate += 360; + } + state = new GfxState(hDPI, vDPI, getMediaBox(), rotate, upsideDown); + for (i = 0; i < 6; ++i) { + ctm[i] = state->getCTM()[i]; + } + delete state; +}