-//========================================================================
-//
-// Page.h
-//
-// Copyright 1996-2003 Glyph & Cog, LLC
-//
-//========================================================================
-
-#ifndef PAGE_H
-#define PAGE_H
-
-#include <aconf.h>
-
-#ifdef USE_GCC_PRAGMAS
-#pragma interface
-#endif
-
-#include "Object.h"
-
-class Dict;
-class XRef;
-class OutputDev;
-class Links;
-class Catalog;
-
-//------------------------------------------------------------------------
-
-class PDFRectangle {
-public:
- double x1, y1, x2, y2;
-
- PDFRectangle() { x1 = y1 = x2 = y2 = 0; }
- PDFRectangle(double x1A, double y1A, double x2A, double y2A)
- { x1 = x1A; y1 = y1A; x2 = x2A; y2 = y2A; }
- GBool isValid() { return x1 != 0 || y1 != 0 || x2 != 0 || y2 != 0; }
-};
-
-//------------------------------------------------------------------------
-// PageAttrs
-//------------------------------------------------------------------------
-
-class PageAttrs {
-public:
-
- // Construct a new PageAttrs object by merging a dictionary
- // (of type Pages or Page) into another PageAttrs object. If
- // <attrs> is NULL, uses defaults.
- PageAttrs(PageAttrs *attrs, Dict *dict);
-
- // Destructor.
- ~PageAttrs();
-
- // Accessors.
- PDFRectangle *getMediaBox() { return &mediaBox; }
- PDFRectangle *getCropBox() { return &cropBox; }
- GBool isCropped() { return haveCropBox; }
- PDFRectangle *getBleedBox() { return &bleedBox; }
- PDFRectangle *getTrimBox() { return &trimBox; }
- PDFRectangle *getArtBox() { return &artBox; }
- int getRotate() { return rotate; }
- GString *getLastModified()
- { return lastModified.isString()
- ? lastModified.getString() : (GString *)NULL; }
- Dict *getBoxColorInfo()
- { return boxColorInfo.isDict() ? boxColorInfo.getDict() : (Dict *)NULL; }
- Dict *getGroup()
- { return group.isDict() ? group.getDict() : (Dict *)NULL; }
- Stream *getMetadata()
- { return metadata.isStream() ? metadata.getStream() : (Stream *)NULL; }
- Dict *getPieceInfo()
- { return pieceInfo.isDict() ? pieceInfo.getDict() : (Dict *)NULL; }
- Dict *getSeparationInfo()
- { return separationInfo.isDict()
- ? separationInfo.getDict() : (Dict *)NULL; }
- Dict *getResourceDict()
- { return resources.isDict() ? resources.getDict() : (Dict *)NULL; }
-
-private:
-
- GBool readBox(Dict *dict, char *key, PDFRectangle *box);
-
- PDFRectangle mediaBox;
- PDFRectangle cropBox;
- GBool haveCropBox;
- PDFRectangle bleedBox;
- PDFRectangle trimBox;
- PDFRectangle artBox;
- int rotate;
- Object lastModified;
- Object boxColorInfo;
- Object group;
- Object metadata;
- Object pieceInfo;
- Object separationInfo;
- Object resources;
-};
-
-//------------------------------------------------------------------------
-// Page
-//------------------------------------------------------------------------
-
-class Page {
-public:
-
- // Constructor.
- Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA);
-
- // Destructor.
- ~Page();
-
- // Is page valid?
- GBool isOk() { return ok; }
-
- // Get page parameters.
- PDFRectangle *getMediaBox() { return attrs->getMediaBox(); }
- PDFRectangle *getCropBox() { return attrs->getCropBox(); }
- GBool isCropped() { return attrs->isCropped(); }
- double getMediaWidth()
- { return attrs->getMediaBox()->x2 - attrs->getMediaBox()->x1; }
- double getMediaHeight()
- { return attrs->getMediaBox()->y2 - attrs->getMediaBox()->y1; }
- double getCropWidth()
- { return attrs->getCropBox()->x2 - attrs->getCropBox()->x1; }
- double getCropHeight()
- { return attrs->getCropBox()->y2 - attrs->getCropBox()->y1; }
- PDFRectangle *getBleedBox() { return attrs->getBleedBox(); }
- PDFRectangle *getTrimBox() { return attrs->getTrimBox(); }
- PDFRectangle *getArtBox() { return attrs->getArtBox(); }
- int getRotate() { return attrs->getRotate(); }
- GString *getLastModified() { return attrs->getLastModified(); }
- Dict *getBoxColorInfo() { return attrs->getBoxColorInfo(); }
- Dict *getGroup() { return attrs->getGroup(); }
- Stream *getMetadata() { return attrs->getMetadata(); }
- Dict *getPieceInfo() { return attrs->getPieceInfo(); }
- Dict *getSeparationInfo() { return attrs->getSeparationInfo(); }
-
- // Get resource dictionary.
- Dict *getResourceDict() { return attrs->getResourceDict(); }
-
- // Get annotations array.
- Object *getAnnots(Object *obj) { return annots.fetch(xref, obj); }
-
- // Get contents.
- Object *getContents(Object *obj) { return contents.fetch(xref, obj); }
-
- // Display a page.
- void display(OutputDev *out, double hDPI, double vDPI,
- int rotate, GBool useMediaBox, GBool crop,
- Links *links, Catalog *catalog,
- GBool (*abortCheckCbk)(void *data) = NULL,
- void *abortCheckCbkData = NULL);
-
- // Display part of a page.
- void 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) = NULL,
- void *abortCheckCbkData = NULL);
-
- // Get the page's default CTM.
- void getDefaultCTM(double *ctm, double hDPI, double vDPI,
- int rotate, GBool upsideDown);
-
-private:
-
- XRef *xref; // the xref table for this PDF file
- int num; // page number
- PageAttrs *attrs; // page attributes
- Object annots; // annotations array
- Object contents; // page contents
- GBool ok; // true if page is valid
-};
-
-#endif