1 files changed, 126 insertions, 0 deletions
diff --git a/xpdf/XFAForm.h b/xpdf/XFAForm.h
new file mode 100644
index 0000000..95bf14c
--- /dev/null
+++ b/xpdf/XFAForm.h
@@ -0,0 +1,126 @@
+//========================================================================
+//
+// XFAForm.h
+//
+// Copyright 2012 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef XFAFORM_H
+#define XFAFORM_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "Form.h"
+
+class ZxDoc;
+class ZxElement;
+class ZxAttr;
+
+//------------------------------------------------------------------------
+
+enum XFAHorizAlign {
+  xfaHAlignLeft,
+  xfaHAlignCenter,
+  xfaHAlignRight
+};
+
+enum XFAVertAlign {
+  xfaVAlignTop,
+  xfaVAlignBottom,
+  xfaVAlignMiddle
+};
+
+//------------------------------------------------------------------------
+
+class XFAForm: public Form {
+public:
+
+  static XFAForm *load(PDFDoc *docA, Object *acroFormObj, Object *xfaObj);
+
+  virtual ~XFAForm();
+
+  virtual const char *getType() { return "XFA"; }
+
+  virtual void draw(int pageNum, Gfx *gfx, GBool printing);
+
+  virtual int getNumFields();
+  virtual FormField *getField(int idx);
+
+private:
+
+  XFAForm(PDFDoc *docA, ZxDoc *xmlA, Object *resourceDictA, GBool fullXFAA);
+  void scanFields(ZxElement *elem, GString *name, GString *dataName);
+
+  ZxDoc *xml;
+  GList *fields;		// [XFAFormField]
+  Object resourceDict;
+  GBool fullXFA;		// true for "Full XFA", false for
+				//   "XFA Foreground"
+  int curPageNum;		// current page number - used by scanFields()
+  double curXOffset,		// current x,y offset - used by scanFields()
+         curYOffset;
+
+  friend class XFAFormField;
+};
+
+//------------------------------------------------------------------------
+
+class XFAFormField: public FormField {
+public:
+
+  XFAFormField(XFAForm *xfaFormA, ZxElement *xmlA, GString *nameA,
+	       GString *dataNameA, int pageNumA,
+	       double xOffsetA, double yOffsetA);
+
+  virtual ~XFAFormField();
+
+  virtual const char *getType();
+  virtual Unicode *getName(int *length);
+  virtual Unicode *getValue(int *length);
+
+  virtual Object *getResources(Object *res);
+
+private:
+
+  Unicode *utf8ToUnicode(GString *s, int *length);
+  void draw(int pageNumA, Gfx *gfx, GBool printing, GfxFontDict *fontDict);
+  void drawTextEdit(GfxFontDict *fontDict,
+		    double w, double h, int rot,
+		    GString *appearBuf);
+  void drawBarCode(GfxFontDict *fontDict,
+		   double w, double h, int rot,
+		   GString *appearBuf);
+  static double getMeasurement(ZxAttr *attr, double defaultVal);
+  GString *getFieldValue(const char *valueChildType);
+  ZxElement *findFieldData(ZxElement *elem, char *partName);
+  void transform(int rot, double w, double h,
+		 double *wNew, double *hNew, GString *appearBuf);
+  void drawText(GString *text, GBool multiLine, int combCells,
+		GString *fontName, GBool bold,
+		GBool italic, double fontSize,
+		XFAHorizAlign hAlign, XFAVertAlign vAlign,
+		double x, double y, double w, double h,
+		GBool whiteBackground,
+		GfxFontDict *fontDict, GString *appearBuf);
+  GfxFont *findFont(GfxFontDict *fontDict, GString *fontName,
+		    GBool bold, GBool italic);
+  void getNextLine(GString *text, int start,
+		   GfxFont *font, double fontSize, double wMax,
+		   int *end, double *width, int *next);
+
+  XFAForm *xfaForm;
+  ZxElement *xml;
+  GString *name;
+  GString *dataName;
+  int pageNum;
+  double xOffset, yOffset;
+
+  friend class XFAForm;
+};
+
+#endif