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//========================================================================
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// Copyright 1996-2002 Glyph & Cog, LLC
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//========================================================================
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#ifdef USE_GCC_PRAGMAS
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#pragma implementation
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#include "globalparams.h"
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#include "outputdev.h"
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#ifndef PDF_PARSER_ONLY
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//------------------------------------------------------------------------
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//------------------------------------------------------------------------
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PageAttrs::PageAttrs(PageAttrs *attrs, Dict *dict) {
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// get old/default values
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mediaBox = attrs->mediaBox;
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cropBox = attrs->cropBox;
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haveCropBox = attrs->haveCropBox;
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rotate = attrs->rotate;
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attrs->resources.copy(&resources);
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// set default MediaBox to 8.5" x 11" -- this shouldn't be necessary
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// but some (non-compliant) PDF files don't specify a MediaBox
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cropBox.x1 = cropBox.y1 = cropBox.x2 = cropBox.y2 = 0;
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readBox(dict, "MediaBox", &mediaBox);
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haveCropBox = readBox(dict, "CropBox", &cropBox);
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// if the MediaBox is excessively larger than the CropBox,
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// just use the CropBox
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limitToCropBox = gFalse;
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w = 0.25 * (cropBox.x2 - cropBox.x1);
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h = 0.25 * (cropBox.y2 - cropBox.y1);
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if ((cropBox.x1 - mediaBox.x1) + (mediaBox.x2 - cropBox.x2) > w ||
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(cropBox.y1 - mediaBox.y1) + (mediaBox.y2 - cropBox.y2) > h) {
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limitToCropBox = gTrue;
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readBox(dict, "BleedBox", &bleedBox);
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readBox(dict, "TrimBox", &trimBox);
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readBox(dict, "ArtBox", &artBox);
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dict->lookup("Rotate", &obj1);
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rotate = obj1.getInt();
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while (rotate >= 360) {
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dict->lookup("LastModified", &lastModified);
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dict->lookup("BoxColorInfo", &boxColorInfo);
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dict->lookup("Group", &group);
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dict->lookup("Metadata", &metadata);
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dict->lookup("PieceInfo", &pieceInfo);
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dict->lookup("SeparationInfo", &separationInfo);
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// resource dictionary
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dict->lookup("Resources", &obj1);
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obj1.copy(&resources);
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PageAttrs::~PageAttrs() {
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separationInfo.free();
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GBool PageAttrs::readBox(Dict *dict, char *key, PDFRectangle *box) {
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dict->lookup(key, &obj1);
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if (obj1.isArray() && obj1.arrayGetLength() == 4) {
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obj1.arrayGet(0, &obj2);
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tmp.x1 = obj2.getNum();
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obj1.arrayGet(1, &obj2);
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tmp.y1 = obj2.getNum();
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obj1.arrayGet(2, &obj2);
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tmp.x2 = obj2.getNum();
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obj1.arrayGet(3, &obj2);
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tmp.y2 = obj2.getNum();
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//------------------------------------------------------------------------
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//------------------------------------------------------------------------
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Page::Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA) {
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pageDict->lookupNF("Annots", &annots);
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if (!(annots.isRef() || annots.isArray() || annots.isNull())) {
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error(-1, "Page annotations object (page %d) is wrong type (%s)",
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num, annots.getTypeName());
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pageDict->lookupNF("Contents", &contents);
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if (!(contents.isRef() || contents.isArray() ||
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contents.isNull())) {
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error(-1, "Page contents object (page %d) is wrong type (%s)",
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num, contents.getTypeName());
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void Page::display(OutputDev *out, double dpi, int rotate,
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Links *links, Catalog *catalog,
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GBool (*abortCheckCbk)(void *data),
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void *abortCheckCbkData) {
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displaySlice(out, dpi, rotate, -1, -1, -1, -1, links, catalog,
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abortCheckCbk, abortCheckCbkData);
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void Page::displaySlice(OutputDev *out, double dpi, int rotate,
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int sliceX, int sliceY, int sliceW, int sliceH,
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Links *links, Catalog *catalog,
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GBool (*abortCheckCbk)(void *data),
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void *abortCheckCbkData) {
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#ifndef PDF_PARSER_ONLY
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PDFRectangle *mediaBox, *cropBox;
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rotate += getRotate();
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} else if (rotate < 0) {
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if (sliceW >= 0 && sliceH >= 0) {
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if (out->upsideDown()) {
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box.x1 = mediaBox->x1 + k * sliceY;
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box.x2 = mediaBox->x1 + k * (sliceY + sliceH);
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box.x1 = mediaBox->x2 - k * (sliceY + sliceH);
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box.x2 = mediaBox->x2 - k * sliceY;
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box.y1 = mediaBox->y1 + k * sliceX;
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box.y2 = mediaBox->y1 + k * (sliceX + sliceW);
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} else if (rotate == 180) {
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box.x1 = mediaBox->x2 - k * (sliceX + sliceW);
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box.x2 = mediaBox->x2 - k * sliceX;
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if (out->upsideDown()) {
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box.y1 = mediaBox->y1 + k * sliceY;
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box.y2 = mediaBox->y1 + k * (sliceY + sliceH);
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box.y1 = mediaBox->y2 - k * (sliceY + sliceH);
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box.y2 = mediaBox->y2 - k * sliceY;
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} else if (rotate == 270) {
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if (out->upsideDown()) {
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box.x1 = mediaBox->x2 - k * (sliceY + sliceH);
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box.x2 = mediaBox->x2 - k * sliceY;
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box.x1 = mediaBox->x1 + k * sliceY;
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box.x2 = mediaBox->x1 + k * (sliceY + sliceH);
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box.y1 = mediaBox->y2 - k * (sliceX + sliceW);
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box.y2 = mediaBox->y2 - k * sliceX;
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box.x1 = mediaBox->x1 + k * sliceX;
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box.x2 = mediaBox->x1 + k * (sliceX + sliceW);
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if (out->upsideDown()) {
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box.y1 = mediaBox->y2 - k * (sliceY + sliceH);
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box.y2 = mediaBox->y2 - k * sliceY;
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box.y1 = mediaBox->y1 + k * sliceY;
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box.y2 = mediaBox->y1 + k * (sliceY + sliceH);
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cropBox = getCropBox();
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if (globalParams->getPrintCommands()) {
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printf("***** MediaBox = ll:%g,%g ur:%g,%g\n",
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box.x1, box.y1, box.x2, box.y2);
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printf("***** CropBox = ll:%g,%g ur:%g,%g\n",
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cropBox->x1, cropBox->y1, cropBox->x2, cropBox->y2);
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printf("***** Rotate = %d\n", attrs->getRotate());
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gfx = new Gfx(xref, out, num, attrs->getResourceDict(),
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dpi, &box, isCropped(), cropBox, rotate,
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abortCheckCbk, abortCheckCbkData);
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contents.fetch(xref, &obj);
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for (i = 0; i < links->getNumLinks(); ++i) {
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link = links->getLink(i);
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out->drawLink(link, catalog);
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// draw non-link annotations
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//~ need to reset CTM ???
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annotList = new Annots(xref, annots.fetch(xref, &obj));
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if (annotList->getNumAnnots() > 0) {
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if (globalParams->getPrintCommands()) {
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printf("***** Annotations\n");
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for (i = 0; i < annotList->getNumAnnots(); ++i) {
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annotList->getAnnot(i)->draw(gfx);