1 files changed, 128 insertions, 0 deletions
diff --git a/xpdf/AcroForm.h b/xpdf/AcroForm.h
new file mode 100644
index 0000000..8e0075a
--- /dev/null
+++ b/xpdf/AcroForm.h
@@ -0,0 +1,128 @@
+//========================================================================
+//
+// AcroForm.h
+//
+// Copyright 2012 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef ACROFORM_H
+#define ACROFORM_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "Form.h"
+
+class TextString;
+class GfxFont;
+class GfxFontDict;
+
+//------------------------------------------------------------------------
+
+class AcroForm: public Form {
+public:
+
+  static AcroForm *load(PDFDoc *docA, Catalog *catalog, Object *acroFormObjA);
+
+  virtual ~AcroForm();
+
+  virtual const char *getType() { return "AcroForm"; }
+
+  virtual void draw(int pageNum, Gfx *gfx, GBool printing);
+
+  virtual int getNumFields();
+  virtual FormField *getField(int idx);
+
+private:
+
+  AcroForm(PDFDoc *docA, Object *acroFormObjA);
+  void buildAnnotPageList(Catalog *catalog);
+  int lookupAnnotPage(Object *annotRef);
+  void scanField(Object *fieldRef);
+
+  Object acroFormObj;
+  GBool needAppearances;
+  GList *annotPages;		// [AcroFormAnnotPage]
+  GList *fields;		// [AcroFormField]
+
+  friend class AcroFormField;
+};
+
+//------------------------------------------------------------------------
+
+enum AcroFormFieldType {
+  acroFormFieldPushbutton,
+  acroFormFieldRadioButton,
+  acroFormFieldCheckbox,
+  acroFormFieldFileSelect,
+  acroFormFieldMultilineText,
+  acroFormFieldText,
+  acroFormFieldComboBox,
+  acroFormFieldListBox,
+  acroFormFieldSignature
+};
+
+class AcroFormField: public FormField {
+public:
+
+  static AcroFormField *load(AcroForm *acroFormA, Object *fieldRefA);
+
+  virtual ~AcroFormField();
+
+  virtual const char *getType();
+  virtual Unicode *getName(int *length);
+  virtual Unicode *getValue(int *length);
+
+  virtual Object *getResources(Object *res);
+
+private:
+
+  AcroFormField(AcroForm *acroFormA, Object *fieldRefA, Object *fieldObjA,
+		AcroFormFieldType typeA, TextString *nameA,
+		Guint flagsA);
+  void draw(int pageNum, Gfx *gfx, GBool printing);
+  void drawAnnot(int pageNum, Gfx *gfx, GBool printing,
+		 Object *annotRef, Object *annotObj);
+  void drawExistingAppearance(Gfx *gfx, Dict *annot,
+			      double xMin, double yMin,
+			      double xMax, double yMax);
+  void drawNewAppearance(Gfx *gfx, Dict *annot,
+			 double xMin, double yMin,
+			 double xMax, double yMax);
+  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,
+		double xMin, double yMin, double xMax, double yMax,
+		double border);
+  void drawListBox(GString **text, GBool *selection,
+		   int nOptions, int topIdx,
+		   GString *da, GfxFontDict *fontDict,
+		   GBool quadding, double xMin, double yMin,
+		   double xMax, double yMax, double border);
+  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, const char *cmd);
+  void drawCircleTopLeft(double cx, double cy, double r);
+  void drawCircleBottomRight(double cx, double cy, double r);
+  Object *getAnnotResources(Dict *annot, Object *res);
+  Object *fieldLookup(const char *key, Object *obj);
+  Object *fieldLookup(Dict *dict, const char *key, Object *obj);
+
+  AcroForm *acroForm;
+  Object fieldRef;
+  Object fieldObj;
+  AcroFormFieldType type;
+  TextString *name;
+  Guint flags;
+  GString *appearBuf;
+
+  friend class AcroForm;
+};
+
+#endif