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//========================================================================
//
// Annot.h
//
// Copyright 2000-2003 Glyph & Cog, LLC
//
//========================================================================
#ifndef ANNOT_H
#define ANNOT_H
#include <aconf.h>
#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
class XRef;
class Catalog;
class Gfx;
class GfxFontDict;
class PDFDoc;
//------------------------------------------------------------------------
// AnnotBorderStyle
//------------------------------------------------------------------------
enum AnnotBorderType {
annotBorderSolid,
annotBorderDashed,
annotBorderBeveled,
annotBorderInset,
annotBorderUnderlined
};
class AnnotBorderStyle {
public:
AnnotBorderStyle(AnnotBorderType typeA, double widthA,
double *dashA, int dashLengthA,
double rA, double gA, double bA);
~AnnotBorderStyle();
AnnotBorderType getType() { return type; }
double getWidth() { return width; }
void getDash(double **dashA, int *dashLengthA)
{ *dashA = dash; *dashLengthA = dashLength; }
void getColor(double *rA, double *gA, double *bA)
{ *rA = r; *gA = g; *bA = b; }
private:
AnnotBorderType type;
double width;
double *dash;
int dashLength;
double r, g, b;
};
//------------------------------------------------------------------------
// Annot
//------------------------------------------------------------------------
class Annot {
public:
Annot(PDFDoc *docA, Dict *dict, Ref *refA);
~Annot();
GBool isOk() { return ok; }
void draw(Gfx *gfx, GBool printing);
GString *getType() { return type; }
double getXMin() { return xMin; }
double getYMin() { return yMin; }
double getXMax() { return xMax; }
double getYMax() { return yMax; }
Object *getObject(Object *obj);
// Get appearance object.
Object *getAppearance(Object *obj) { return appearance.fetch(xref, obj); }
AnnotBorderStyle *getBorderStyle() { return borderStyle; }
GBool match(Ref *refA)
{ return ref.num == refA->num && ref.gen == refA->gen; }
void generateFieldAppearance(Dict *field, Dict *annot, Dict *acroForm);
private:
void setColor(Array *a, GBool fill, int adjust);
void drawText(GString *text, GString *da, GfxFontDict *fontDict,
GBool multiline, int comb, int quadding,
GBool txField, GBool forceZapfDingbats, int rot);
void drawListBox(GString **text, GBool *selection,
int nOptions, int topIdx,
GString *da, GfxFontDict *fontDict, GBool quadding);
void getNextLine(GString *text, int start,
GfxFont *font, double fontSize, double wMax,
int *end, double *width, int *next);
void drawCircle(double cx, double cy, double r, GBool fill);
void drawCircleTopLeft(double cx, double cy, double r);
void drawCircleBottomRight(double cx, double cy, double r);
Object *fieldLookup(Dict *field, Dict *acroForm,
const char *key, Object *obj);
PDFDoc *doc;
XRef *xref; // the xref table for this PDF file
Ref ref; // object ref identifying this annotation
GString *type; // annotation type
GString *appearanceState; // appearance state name
Object appearance; // a reference to the Form XObject stream
// for the normal appearance
GString *appearBuf;
double xMin, yMin, // annotation rectangle
xMax, yMax;
Guint flags;
AnnotBorderStyle *borderStyle;
Object ocObj; // optional content entry
GBool ok;
};
//------------------------------------------------------------------------
// Annots
//------------------------------------------------------------------------
class Annots {
public:
// Build a list of Annot objects.
Annots(PDFDoc *docA, Object *annotsObj);
~Annots();
// Iterate through list of annotations.
int getNumAnnots() { return nAnnots; }
Annot *getAnnot(int i) { return annots[i]; }
// (Re)generate the appearance streams for all annotations belonging
// to a form field.
void generateAppearances();
private:
void scanFieldAppearances(Dict *node, Ref *ref, Dict *parent,
Dict *acroForm);
Annot *findAnnot(Ref *ref);
PDFDoc *doc;
Annot **annots;
int nAnnots;
};
#endif
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