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+//========================================================================
+//
+// Page.h
+//
+// Copyright 1996-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+/* ------------------------------------------------------------------------
+* Changed by Martin Schröder <martin@pdftex.org>
+* $Id: Page.h 421 2008-04-26 21:59:55Z oneiros $
+* Changelog:
+* ------------------------------------------------------------------------
+* r151 | ms | 2007-06-25 18:53:17 +0200 (Mo, 25 Jun 2007) | 3 lines
+*
+* Merging xpdf 3.02 from HEAD into stable
+* svn merge -r149:150 --dry-run svn+ssh://svn/srv/svn/repos/pdftex/trunk/source/src/libs/xpdf .
+*
+* ------------------------------------------------------------------------
+* r38 | ms | 2005-08-21 14:00:00 +0200 (So, 21 Aug 2005) | 2 lines
+*
+* 1.30.1
+*
+* ------------------------------------------------------------------------
+* r11 | ms | 2004-09-06 14:01:00 +0200 (Mo, 06 Sep 2004) | 2 lines
+*
+* 1.20a
+*
+* ------------------------------------------------------------------------
+* r6 | ms | 2003-10-06 14:01:00 +0200 (Mo, 06 Okt 2003) | 2 lines
+*
+* released v1.11b
+*
+* ------------------------------------------------------------------------
+* r4 | ms | 2003-10-05 14:00:00 +0200 (So, 05 Okt 2003) | 2 lines
+*
+* Moved sources to src
+*
+* ------------------------------------------------------------------------
+* r1 | ms | 2003-08-02 14:00:00 +0200 (Sa, 02 Aug 2003) | 1 line
+*
+* 1.11a
+* ------------------------------------------------------------------------ */
+
+#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; }
+ void clipTo(PDFRectangle *rect);
+};
+
+//------------------------------------------------------------------------
+// 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.
+ int getNum() { return num; }
+ 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); }
+
+ // Return a list of links.
+ Links *getLinks(Catalog *catalog);
+
+ // 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,
+ GBool printing, 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,
+ GBool printing, Catalog *catalog,
+ GBool (*abortCheckCbk)(void *data) = NULL,
+ void *abortCheckCbkData = NULL);
+
+ void makeBox(double hDPI, double vDPI, int rotate,
+ GBool useMediaBox, GBool upsideDown,
+ double sliceX, double sliceY, double sliceW, double sliceH,
+ PDFRectangle *box, GBool *crop);
+
+ void processLinks(OutputDev *out, Catalog *catalog);
+
+#ifndef PDF_PARSER_ONLY
+ // Get the page's default CTM.
+ void getDefaultCTM(double *ctm, double hDPI, double vDPI,
+ int rotate, GBool useMediaBox, GBool upsideDown);
+#endif
+
+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