root/lib/pdf/XMLOutputDev.cc

DEFINITIONS

1. startPage
2. endPage

/* XMLOutputDev.cc

   This file is part of swftools.

   Swftools is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   Swftools is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with swftools; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#include "../../config.h"
#include <stdio.h>
#include <stdlib.h>
#include "gfile.h"
#include "XMLOutputDev.h"
#include "GfxState.h"

XMLOutputDev::XMLOutputDev(char*filename)
:TextOutputDev(mktmpname(0), false, false, false)
{
  out = fopen(filename, "wb");
  if(!out) {
      perror(filename);
      exit(-1);
  }
  fprintf(out, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
  fprintf(out, "<document>\n");
}

XMLOutputDev::~XMLOutputDev()
{
  fprintf(out, "</document>\n");
  fclose(out);
}

void XMLOutputDev::startPage(int pageNum, GfxState *state, double x1,double y1,double x2,double y2)
{
    TextOutputDev::startPage(pageNum, state, x1, y1, x2, y2);
    fprintf(out, "<page nr=\"%d\" width=\"%.0f\" height=\"%.0f\">\n", pageNum,
        state->getPageWidth(), state->getPageHeight());
}

void XMLOutputDev::endPage()
{
    TextOutputDev::endPage();
    TextWordList* list = makeWordList();
    int len = list->getLength();
    int i;

    char textTag = 0;
    GString*fontname = new GString();
    double fontsize = -99999;
    double base = -9999;
    double color_r = -1;
    double color_g = -1;
    double color_b = -1;
    for(i=0;i<len;i++) {
        TextWord*word = list->get(i);
        GString*newfont = word->getFontName();
        double newsize = word->getFontSize();
        double newbase = word->base;
        double newcolor_r = word->colorR;
        double newcolor_g = word->colorG;
        double newcolor_b = word->colorB;

        if((newfont && newfont->cmp(fontname)) || 
           newsize != fontsize ||
           newbase != base ||
           newcolor_r != color_r ||
           newcolor_g != color_g ||
           newcolor_b != color_b
           ) 
        {
            TextFontInfo*info = word->getFontInfo();
            if(textTag)
                fprintf(out, "</t>\n");
            textTag = 1;
            GBool italic = gFalse;
            GBool bold = gFalse;
            GBool serif = gFalse;

            if(info->isItalic()) italic = gTrue;
            if(info->isBold()) bold = gTrue;
            if(info->isSerif()) serif = gTrue;
            char*name = (char*)"";
            if(newfont) {
                name = newfont->lowerCase()->getCString();
                if(strlen(name)>7 && name[6]=='+')
                    name += 7;
                if(strstr(name, "ital")) italic = gTrue;
                if(strstr(name, "slan")) italic = gTrue;
                if(strstr(name, "obli")) italic = gTrue;
                if(strstr(name, "bold")) bold = gTrue;
                if(strstr(name, "heav")) bold = gTrue;
                if(strstr(name, "medi")) bold = gTrue;
                if(strstr(name, "serif")) serif = gTrue;
            }
            
            fprintf(out, "<t font=\"%s\" y=\"%f\" x=\"%f\" bbox=\"%f:%f:%f:%f\" style=\"%s%s%s%s\" fontsize=\"%.0fpt\" color=\"%02x%02x%02x\">", 
                    name,
                    newbase,
                    (word->rot&1)?word->yMin:word->xMin,
                    (word->rot&1)?word->yMin:word->xMin,
                    (word->rot&1)?word->xMin:word->yMin,
                    (word->rot&1)?word->yMax:word->xMax,
                    (word->rot&1)?word->xMax:word->yMax,
                    info->isFixedWidth()?"fixed;":"",
                    serif?"serif;":"",
                    italic?"italic;":"",
                    bold?"bold;":"",
                    newsize,
                    ((int)(newcolor_r*255))&0xff,
                    ((int)(newcolor_g*255))&0xff,
                    ((int)(newcolor_b*255))&0xff
                    );
            fontname = newfont->copy();
            fontsize = newsize;
            base = newbase;
            color_r = newcolor_r;
            color_g = newcolor_g;
            color_b = newcolor_b;
        }
        char*s = word->getText()->getCString();
        while(*s) {
            switch(*s) {
                case '<': fprintf(out, "&lt;");break;
                case '>': fprintf(out, "&gt;");break;
                case '&': fprintf(out, "&amp;");break;
                default: fwrite(s, 1, 1, out);
            }
            s++;
        }
        if(word->spaceAfter)
            fprintf(out, " ");
    }
    if(textTag) fprintf(out, "</t>\n");
    fprintf(out, "</page>\n");
}