pdftops/Annot.h

   1 //========================================================================
   2 //
   3 // Annot.h
   4 //
   5 // Copyright 2000-2003 Glyph & Cog, LLC
   6 //
   7 //========================================================================
   8
   9 #ifndef ANNOT_H
  10 #define ANNOT_H
  11
  12 #include <config.h>
  13
  14 #ifdef USE_GCC_PRAGMAS
  15 #pragma interface
  16 #endif
  17
  18 class XRef;
  19 class Catalog;
  20 class Gfx;
  21
  22 //------------------------------------------------------------------------
  23 // Annot
  24 //------------------------------------------------------------------------
  25
  26 class Annot {
  27 public:
  28
  29   Annot(XRef *xrefA, Dict *acroForm, Dict *dict);
  30   ~Annot();
  31   GBool isOk() { return ok; }
  32
  33   void draw(Gfx *gfx);
  34
  35   // Get appearance object.
  36   Object *getAppearance(Object *obj) { return appearance.fetch(xref, obj); }
  37
  38 private:
  39
  40   void generateAppearance(Dict *acroForm, Dict *dict);
  41
  42   XRef *xref;                   // the xref table for this PDF file
  43   Object appearance;            // a reference to the Form XObject stream
  44                                 //   for the normal appearance
  45   GString *appearBuf;
  46   double xMin, yMin,            // annotation rectangle
  47          xMax, yMax;
  48   GBool ok;
  49 };
  50
  51 //------------------------------------------------------------------------
  52 // Annots
  53 //------------------------------------------------------------------------
  54
  55 class Annots {
  56 public:
  57
  58   // Extract non-link annotations from array of annotations.
  59   Annots(XRef *xref, Catalog *catalog, Object *annotsObj);
  60
  61   ~Annots();
  62
  63   // Iterate through list of annotations.
  64   int getNumAnnots() { return nAnnots; }
  65   Annot *getAnnot(int i) { return annots[i]; }
  66
  67 private:
  68
  69   Annot **annots;
  70   int nAnnots;
  71 };
  72
  73 #endif