Shamusworld >> Repos - architektonas/blob - src/base/rs_filtercxf.cpp

   1 // rs_filtercxf.cpp
   2 //
   3 // Part of the Architektonas Project
   4 // Originally part of QCad Community Edition by Andrew Mustun
   5 // Extensively rewritten and refactored by James L. Hammons
   6 // (C) 2010 Underground Software
   7 //
   8 // JLH = James L. Hammons <jlhamm@acm.org>
   9 //
  10 // Who  When        What
  11 // ---  ----------  -----------------------------------------------------------
  12 // JLH  05/28/2010  Added this text. :-)
  13 //
  14
  15 #include "rs_filtercxf.h"
  16
  17 #include <iostream>
  18 #include <fstream>
  19 #include <QtCore>
  20
  21 //#include "rs_regexp.h"
  22 #include "rs_font.h"
  23 #include "rs_utility.h"
  24 #include "rs_system.h"
  25
  26 /**
  27  * Default constructor.
  28  */
  29 RS_FilterCXF::RS_FilterCXF(): RS_FilterInterface()
  30 {
  31     RS_DEBUG->print("Setting up CXF filter...");
  32
  33     addImportFormat(RS2::FormatCXF);
  34     addExportFormat(RS2::FormatCXF);
  35 }
  36
  37 RS_FilterCXF::~RS_FilterCXF()
  38 {
  39 }
  40
  41 /**
  42  * Implementation of the method used for RS_Import to communicate
  43  * with this filter.
  44  *
  45  * @param g The graphic in which the entities from the file
  46  * will be created or the graphics from which the entities are
  47  * taken to be stored in a file.
  48  */
  49 bool RS_FilterCXF::fileImport(RS_Graphic & g, const QString & file, RS2::FormatType /*type*/)
  50 {
  51         RS_DEBUG->print("CXF Filter: importing file '%s'...", file.toLatin1().data());
  52
  53         //this->graphic = &g;
  54         bool success = false;
  55
  56         // Load font file as we normally do, but the font doesn't own the
  57         //  letters (we'll add them to the graphic instead. Hence 'false').
  58         RS_Font font(file, false);
  59         success = font.loadFont();
  60
  61         if (success == false)
  62         {
  63                 RS_DEBUG->print(RS_Debug::D_WARNING, "Cannot open CXF file '%s'.", file.toLatin1().data());
  64                 return false;
  65         }
  66
  67         g.addVariable("Names", font.getNames().join(","), 0);
  68         g.addVariable("LetterSpacing", font.getLetterSpacing(), 0);
  69         g.addVariable("WordSpacing", font.getWordSpacing(), 0);
  70         g.addVariable("LineSpacingFactor", font.getLineSpacingFactor(), 0);
  71         g.addVariable("Authors", font.getAuthors().join(","), 0);
  72
  73         if (!font.getEncoding().isEmpty())
  74                 g.addVariable("Encoding", font.getEncoding(), 0);
  75
  76         RS_BlockList * letterList = font.getLetterList();
  77
  78         for(uint i=0; i<font.countLetters(); ++i)
  79         {
  80                 RS_Block* ch = font.letterAt(i);
  81
  82                 QString uCode;
  83                 uCode.setNum(ch->getName().at(0).unicode(), 16);
  84
  85                 while (uCode.length() < 4)
  86                         uCode="0"+uCode;
  87
  88                 //ch->setName("[" + uCode + "] " + ch->getName());
  89                 //letterList->rename(ch, QString("[%1]").arg(ch->getName()));
  90                 letterList->rename(ch, QString("[%1] %2").arg(uCode).arg(ch->getName().at(0)));
  91
  92                 g.addBlock(ch, false);
  93                 ch->reparent(&g);
  94         }
  95
  96         g.addBlockNotification();
  97
  98         return true;
  99 }
 100
 101 /**
 102  * Implementation of the method used for RS_Export to communicate
 103  * with this filter.
 104  *
 105  * @param file Full path to the CXF file that will be written.
 106  */
 107 bool RS_FilterCXF::fileExport(RS_Graphic & g, const QString & file, RS2::FormatType /*type*/)
 108 {
 109         RS_DEBUG->print("CXF Filter: exporting file '%s'...", file.toLatin1().data());
 110
 111         // crashes under windoze xp:
 112         //std::ofstream fout;
 113
 114         RS_DEBUG->print("RS_FilterCXF::fileExport: open");
 115         //fout.open((const char*)file.local8Bit());
 116         FILE * fp;
 117
 118         if ((fp = fopen((const char *)file.toLocal8Bit(), "wt")) != NULL)
 119         {
 120                 RS_DEBUG->print("RS_FilterCXF::fileExport: open: OK");
 121                 RS_DEBUG->print("RS_FilterCXF::fileExport: header");
 122
 123                 // header:
 124                 fprintf(fp, "# Format:            QCad II Font\n");
 125                 fprintf(fp, "# Creator:           %s\n", (const char *)RS_SYSTEM->getAppName().toLocal8Bit());
 126                 fprintf(fp, "# Version:           %s\n", (const char *)RS_SYSTEM->getAppVersion().toLocal8Bit());
 127
 128                 RS_DEBUG->print("001");
 129                 QString ns = g.getVariableString("Names", "");
 130
 131                 if (!ns.isEmpty())
 132                 {
 133                         QStringList names = ns.split(',');
 134                         RS_DEBUG->print("002");
 135
 136                         for(QStringList::Iterator it=names.begin(); it!=names.end(); ++it)
 137                         {
 138                                 fprintf(fp, "# Name:              %s\n", (const char*)((*it).toLocal8Bit()));
 139                         }
 140                 }
 141
 142                 RS_DEBUG->print("003");
 143
 144                 QString es = g.getVariableString("Encoding", "");
 145
 146                 if (!es.isEmpty())
 147                         fprintf(fp, "# Encoding:          %s\n", (const char *)es.toLocal8Bit());
 148
 149                 RS_DEBUG->print("004a");
 150
 151                 fprintf(fp, "# LetterSpacing:     %f\n", g.getVariableDouble("LetterSpacing", 3.0));
 152                 fprintf(fp, "# WordSpacing:       %f\n", g.getVariableDouble("WordSpacing", 6.75));
 153                 fprintf(fp, "# LineSpacingFactor: %f\n", g.getVariableDouble("LineSpacingFactor", 1.0));
 154
 155                 QString sa = g.getVariableString("Authors", "");
 156                 RS_DEBUG->print("authors: %s", (const char *)sa.toLocal8Bit());
 157
 158                 if (!sa.isEmpty())
 159                 {
 160                         QStringList authors = sa.split(',');
 161                         RS_DEBUG->print("006");
 162                         RS_DEBUG->print("count: %d", authors.count());
 163
 164                         QString a;
 165
 166                         for(QStringList::Iterator it2=authors.begin(); it2!=authors.end(); ++it2)
 167                         {
 168                                 RS_DEBUG->print("006a");
 169                                 a = QString(*it2);
 170                                 RS_DEBUG->print("006b");
 171                                 RS_DEBUG->print("string is: %s", a.toAscii().data());
 172                                 RS_DEBUG->print("006b0");
 173                                 fprintf(fp, "# Author:            ");
 174                                 RS_DEBUG->print("006b1");
 175                                 fprintf(fp, "%s\n", a.toAscii().data());
 176                                 //fout << "# Author:            " << a.ascii() << "\n";
 177                         }
 178
 179                         RS_DEBUG->print("007");
 180                 }
 181
 182                 RS_DEBUG->print("RS_FilterCXF::fileExport: header: OK");
 183
 184                 RS_DEBUG->print("008");
 185                 // iterate through blocks (=letters of font)
 186                 for(uint i=0; i<g.countBlocks(); ++i)
 187                 {
 188                         RS_Block * blk = g.blockAt(i);
 189
 190                         RS_DEBUG->print("block: %d", i);
 191                         RS_DEBUG->print("001");
 192
 193                         if (blk != NULL)
 194                         {
 195                                 RS_DEBUG->print("002");
 196                                 RS_DEBUG->print("002a: %s", (const char *)(blk->getName().toLocal8Bit()));
 197
 198                                 fprintf(fp, "\n%s\n", (const char *)(blk->getName().toLocal8Bit()));
 199
 200                                 // iterate through entities of this letter:
 201                                 for(RS_Entity * e=blk->firstEntity(RS2::ResolveAll); e!=NULL;
 202                                         e=blk->nextEntity(RS2::ResolveAll))
 203                                 {
 204                                         if (!e->isUndone())
 205                                         {
 206                                                 RS_DEBUG->print("004");
 207
 208                                                 // lines:
 209                                                 if (e->rtti() == RS2::EntityLine)
 210                                                 {
 211                                                         RS_Line * l = (RS_Line *)e;
 212
 213                                                         fprintf(fp, "L %f,%f,%f,%f\n", l->getStartpoint().x, l->getStartpoint().y,
 214                                                                 l->getEndpoint().x, l->getEndpoint().y);
 215                                                 }
 216                                                 // arcs:
 217                                                 else if (e->rtti() == RS2::EntityArc)
 218                                                 {
 219                                                         RS_Arc * a = (RS_Arc *)e;
 220
 221                                                         if (!a->isReversed())
 222                                                         {
 223                                                                 fprintf(fp, "A ");
 224                                                         }
 225                                                         else
 226                                                         {
 227                                                                 fprintf(fp, "AR ");
 228                                                         }
 229
 230                                                         fprintf(fp, "%f,%f,%f,%f,%f\n", a->getCenter().x, a->getCenter().y,
 231                                                                 a->getRadius(), a->getAngle1() * ARAD, a->getAngle2() * ARAD);
 232                                                 }
 233                                                 // Ignore entities other than arcs / lines
 234                                                 else
 235                                                 {
 236                                                 }
 237                                         }
 238
 239                                         RS_DEBUG->print("005");
 240                                 }
 241                                 RS_DEBUG->print("006");
 242                         }
 243                         RS_DEBUG->print("007");
 244                 }
 245
 246                 //fout.close();
 247                 fclose(fp);
 248                 RS_DEBUG->print("CXF Filter: exporting file: OK");
 249                 return true;
 250         }
 251         else
 252         {
 253                 RS_DEBUG->print("CXF Filter: exporting file failed");
 254         }
 255
 256         return false;
 257 }
 258
 259 /**
 260  * Streams a double value to the given stream cutting away trailing 0's.
 261  *
 262  * @param value A double value. e.g. 2.700000
 263  */
 264 void RS_FilterCXF::stream(std::ofstream & fs, double value)
 265 {
 266     fs << (const char *)RS_Utility::doubleToString(value).toAscii().data();
 267 }