//
// Page.h
//
-// Copyright 1996 Derek B. Noonburg
+// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================
#ifndef PAGE_H
#define PAGE_H
-#ifdef __GNUC__
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
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
//------------------------------------------------------------------------
~PageAttrs();
// Accessors.
- double getX1() { return limitToCropBox ? cropX1 : x1; }
- double getY1() { return limitToCropBox ? cropY1 : y1; }
- double getX2() { return limitToCropBox ? cropX2 : x2; }
- double getY2() { return limitToCropBox ? cropY2 : y2; }
- GBool isCropped() { return cropX2 > cropX1; }
- double getCropX1() { return cropX1; }
- double getCropY1() { return cropY1; }
- double getCropX2() { return cropX2; }
- double getCropY2() { return cropY2; }
+ 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:
- double x1, y1, x2, y2;
- double cropX1, cropY1, cropX2, cropY2;
- GBool limitToCropBox;
+ 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;
};
public:
// Constructor.
- Page(int num1, Dict *pageDict, PageAttrs *attrs1);
+ Page(XRef *xrefA, int numA, Dict *pageDict, PageAttrs *attrsA);
// Destructor.
~Page();
GBool isOk() { return ok; }
// Get page parameters.
- double getX1() { return attrs->getX1(); }
- double getY1() { return attrs->getY1(); }
- double getX2() { return attrs->getX2(); }
- double getY2() { return attrs->getY2(); }
+ PDFRectangle *getMediaBox() { return attrs->getMediaBox(); }
+ PDFRectangle *getCropBox() { return attrs->getCropBox(); }
GBool isCropped() { return attrs->isCropped(); }
- double getCropX1() { return attrs->getCropX1(); }
- double getCropY1() { return attrs->getCropY1(); }
- double getCropX2() { return attrs->getCropX2(); }
- double getCropY2() { return attrs->getCropY2(); }
- double getWidth() { return attrs->getX2() - attrs->getX1(); }
- double getHeight() { return attrs->getY2() - attrs->getY1(); }
+ 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(obj); }
+ Object *getAnnots(Object *obj) { return annots.fetch(xref, obj); }
// Get contents.
- Object *getContents(Object *obj) { return contents.fetch(obj); }
+ Object *getContents(Object *obj) { return contents.fetch(xref, obj); }
// Display a page.
- void display(OutputDev *out, double dpi, int rotate,
- Links *links, Catalog *catalog);
+ 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