1 files changed, 302 insertions, 0 deletions
diff --git a/utils/HtmlOutputDev.h b/utils/HtmlOutputDev.h
new file mode 100644
index 00000000..5196ee23
--- /dev/null
+++ b/utils/HtmlOutputDev.h
@@ -0,0 +1,302 @@
+//========================================================================
+//
+// HtmlOutputDev.h
+//
+// Copyright 1997 Derek B. Noonburg
+//
+// Changed 1999 by G.Ovtcharov
+//========================================================================
+
+#ifndef HTMLOUTPUTDEV_H
+#define HTMLOUTPUTDEV_H
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include <stdio.h>
+#include "goo/gtypes.h"
+#include "goo/GooList.h"
+#include "GfxFont.h"
+#include "OutputDev.h"
+#include "HtmlLinks.h"
+#include "HtmlFonts.h"
+#include "Link.h"
+#include "Catalog.h"
+#include "UnicodeMap.h"
+
+
+#ifdef WIN32
+#  define SLASH '\\'
+#else
+#  define SLASH '/'
+#endif
+
+#define xoutRound(x) ((int)(x + 0.5))
+
+#define DOCTYPE "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"
+#define DOCTYPE_FRAMES "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Frameset//EN\"\n\"http://www.w3.org/TR/html4/frameset.dtd\">"
+
+class GfxState;
+class GooString;
+//------------------------------------------------------------------------
+// HtmlString
+//------------------------------------------------------------------------
+
+enum UnicodeTextDirection {
+  textDirUnknown,
+  textDirLeftRight,
+  textDirRightLeft,
+  textDirTopBottom
+};
+
+
+class HtmlString {
+public:
+
+  // Constructor.
+  HtmlString(GfxState *state, double fontSize, HtmlFontAccu* fonts);
+
+  // Destructor.
+  ~HtmlString();
+
+  // Add a character to the string.
+  void addChar(GfxState *state, double x, double y,
+	       double dx, double dy,
+	       Unicode u); 
+  HtmlLink* getLink() { return link; }
+  void endString(); // postprocessing
+
+private:
+// aender die text variable
+  HtmlLink *link;
+  double xMin, xMax;		// bounding box x coordinates
+  double yMin, yMax;		// bounding box y coordinates
+  int col;			// starting column
+  Unicode *text;		// the text
+  double *xRight;		// right-hand x coord of each char
+  HtmlString *yxNext;		// next string in y-major order
+  HtmlString *xyNext;		// next string in x-major order
+  int fontpos;
+  GooString* htext;
+  int len;			// length of text and xRight
+  int size;			// size of text and xRight arrays
+  UnicodeTextDirection dir;	// direction (left to right/right to left)
+  
+  friend class HtmlPage;
+
+};
+
+
+//------------------------------------------------------------------------
+// HtmlPage
+//------------------------------------------------------------------------
+
+
+
+class HtmlPage {
+public:
+
+  // Constructor.
+  HtmlPage(GBool rawOrder, char *imgExtVal);
+
+  // Destructor.
+  ~HtmlPage();
+
+  // Begin a new string.
+  void beginString(GfxState *state, GooString *s);
+
+  // Add a character to the current string.
+  void addChar(GfxState *state, double x, double y,
+	       double dx, double dy, 
+		double ox, double oy, 
+		Unicode *u, int uLen); //Guchar c);
+
+  void updateFont(GfxState *state);
+
+  // End the current string, sorting it into the list of strings.
+  void endString();
+
+  // Coalesce strings that look like parts of the same line.
+  void coalesce();
+
+  // Find a string.  If <top> is true, starts looking at top of page;
+  // otherwise starts looking at <xMin>,<yMin>.  If <bottom> is true,
+  // stops looking at bottom of page; otherwise stops looking at
+  // <xMax>,<yMax>.  If found, sets the text bounding rectange and
+  // returns true; otherwise returns false.
+  
+
+  // new functions
+  void AddLink(const HtmlLink& x){
+    links->AddLink(x);
+  }
+
+ void dump(FILE *f, int pageNum);
+
+  // Clear the page.
+  void clear();
+  
+  void conv();
+private:
+  HtmlFont* getFont(HtmlString *hStr) { return fonts->Get(hStr->fontpos); }
+
+  double fontSize;		// current font size
+  GBool rawOrder;		// keep strings in content stream order
+
+  HtmlString *curStr;		// currently active string
+
+  HtmlString *yxStrings;	// strings in y-major order
+  HtmlString *xyStrings;	// strings in x-major order
+  HtmlString *yxCur1, *yxCur2;	// cursors for yxStrings list
+  
+  void setDocName(char* fname);
+  void dumpAsXML(FILE* f,int page);
+  void dumpComplex(FILE* f, int page);
+
+  // marks the position of the fonts that belong to current page (for noframes)
+  int fontsPageMarker; 
+  HtmlFontAccu *fonts;
+  HtmlLinks *links; 
+  
+  GooString *DocName;
+  GooString *imgExt;
+  int pageWidth;
+  int pageHeight;
+  static int pgNum;
+  int firstPage;                // used to begin the numeration of pages
+
+  friend class HtmlOutputDev;
+};
+
+//------------------------------------------------------------------------
+// HtmlMetaVar
+//------------------------------------------------------------------------
+class HtmlMetaVar {
+public:
+    HtmlMetaVar(char *_name, char *_content);
+    ~HtmlMetaVar();    
+    
+    GooString* toString();	
+
+private:
+
+    GooString *name;
+    GooString *content;
+};
+
+//------------------------------------------------------------------------
+// HtmlOutputDev
+//------------------------------------------------------------------------
+
+class HtmlOutputDev: public OutputDev {
+public:
+
+  // Open a text output file.  If <fileName> is NULL, no file is written
+  // (this is useful, e.g., for searching text).  If <useASCII7> is true,
+  // text is converted to 7-bit ASCII; otherwise, text is converted to
+  // 8-bit ISO Latin-1.  <useASCII7> should also be set for Japanese
+  // (EUC-JP) text.  If <rawOrder> is true, the text is kept in content
+  // stream order.
+  HtmlOutputDev(char *fileName, char *title, 
+	  char *author,
+	  char *keywords,
+	  char *subject,
+	  char *date,
+	  char *extension,
+	  GBool rawOrder,
+	  int firstPage = 1,
+	  GBool outline = 0);
+
+  // Destructor.
+  virtual ~HtmlOutputDev();
+
+  // Check if file was successfully created.
+  virtual GBool isOk() { return ok; }
+
+  //---- get info about output device
+
+  // Does this device use upside-down coordinates?
+  // (Upside-down means (0,0) is the top left corner of the page.)
+  virtual GBool upsideDown() { return gTrue; }
+
+  // Does this device use drawChar() or drawString()?
+  virtual GBool useDrawChar() { return gTrue; }
+
+  // Does this device use beginType3Char/endType3Char?  Otherwise,
+  // text in Type 3 fonts will be drawn with drawChar/drawString.
+  virtual GBool interpretType3Chars() { return gFalse; }
+
+  // Does this device need non-text content?
+  virtual GBool needNonText() { return gFalse; }
+
+  //----- initialization and control
+
+  // Start a page.
+  virtual void startPage(int pageNum, GfxState *state);
+
+  // End a page.
+  virtual void endPage();
+
+  //----- update text state
+  virtual void updateFont(GfxState *state);
+
+  //----- text drawing
+  virtual void beginString(GfxState *state, GooString *s);
+  virtual void endString(GfxState *state);
+  virtual void drawChar(GfxState *state, double x, double y,
+			double dx, double dy,
+			double originX, double originY,
+			CharCode code, Unicode *u, int uLen);
+  
+  virtual void drawImageMask(GfxState *state, Object *ref, 
+			     Stream *str,
+			     int width, int height, GBool invert,
+			     GBool inlineImg);
+  virtual void drawImage(GfxState *state, Object *ref, Stream *str,
+			  int width, int height, GfxImageColorMap *colorMap,
+			 int *maskColors, GBool inlineImg);
+
+  //new feature    
+  virtual int DevType() {return 1234;}
+  virtual void drawLink(Link *link,Catalog *cat); 
+
+  int getPageWidth() { return maxPageWidth; }
+  int getPageHeight() { return maxPageHeight; }
+
+  GBool dumpDocOutline(Catalog* catalog);
+
+  /*  char* getFileNameFromPath(char* c, int strlen); */
+
+private:
+  // convert encoding into a HTML standard, or encoding->getCString if not
+  // recognized
+  static char* mapEncodingToHtml(GooString* encoding);
+  GooString* getLinkDest(Link *link,Catalog *catalog);
+  void dumpMetaVars(FILE *);
+  void doFrame(int firstPage);
+  GBool newOutlineLevel(FILE *output, Object *node, Catalog* catalog, int level = 1);
+
+  FILE *fContentsFrame;
+  FILE *page;                   // html file
+  //FILE *tin;                    // image log file
+  //GBool write;
+  GBool needClose;		// need to close the file?
+  HtmlPage *pages;		// text for the current page
+  GBool rawOrder;		// keep text in content stream order
+  GBool doOutline;		// output document outline
+  GBool ok;			// set up ok?
+  GBool dumpJPEG;
+  int pageNum;
+  int maxPageWidth;
+  int maxPageHeight;
+  static int imgNum;
+  GooString *Docname;
+  GooString *docTitle;
+  GooList *glMetaVars;
+  friend class HtmlPage;
+};
+
+char* getFileNameFromPath(char* c, int strlen);
+
+#endif