src/insets/insetgraphicsParams.C

   1 /**
   2  * \file insetgraphicsParams.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Baruch Even
   7  * \author Herbert Voß
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "insetgraphicsParams.h"
  15
  16 #include "debug.h"
  17 #include "lyxlex.h"
  18 #include "lyxrc.h"
  19
  20 #include "frontends/lyx_gui.h"
  21
  22 #include "graphics/GraphicsParams.h"
  23
  24 #include "support/filetools.h"
  25 #include "support/lyxlib.h"
  26 #include "support/lstrings.h"
  27 #include "support/translator.h"
  28
  29 using lyx::support::float_equal;
  30 using lyx::support::readBB_from_PSFile;
  31 using lyx::support::strToInt;
  32 using lyx::support::token;
  33
  34 using std::string;
  35 using std::ostream;
  36
  37
  38 InsetGraphicsParams::InsetGraphicsParams()
  39 {
  40         init();
  41 }
  42
  43
  44 InsetGraphicsParams::InsetGraphicsParams(InsetGraphicsParams const & igp)
  45 {
  46         // I decided to skip the initialization since the copy will overwrite
  47         // everything anyway.
  48         //    init();
  49         copy(igp);
  50 }
  51
  52
  53 InsetGraphicsParams &
  54 InsetGraphicsParams::operator=(InsetGraphicsParams const & params)
  55 {
  56         // Are we assigning the object into itself?
  57         if (this == &params)
  58                 return *this;
  59         copy(params);
  60         return *this;
  61 }
  62
  63
  64 void InsetGraphicsParams::init()
  65 {
  66         filename.erase();
  67         lyxscale = 100;                 // lyx scaling in percentage
  68         display = lyx::graphics::DefaultDisplay; // display mode; see preferences
  69         scale = 100.0;                  // output scaling in percentage
  70         width = LyXLength();
  71         height = LyXLength();
  72         keepAspectRatio = false;        // for LaTeX output
  73         draft = false;                  // draft mode
  74         noUnzip = false;                // unzip files
  75
  76         bb = string();                  // bounding box
  77         clip = false;                   // clip image
  78
  79         rotateAngle = 0.0;              // angle of rotation in degrees
  80         rotateOrigin.erase();           // Origin of rotation
  81         subcaption = false;             // subfigure
  82         subcaptionText.erase();         // subfigure caption
  83         special.erase();                // additional userdefined stuff
  84 }
  85
  86
  87 void InsetGraphicsParams::copy(InsetGraphicsParams const & igp)
  88 {
  89         filename = igp.filename;
  90         lyxscale = igp.lyxscale;
  91         display = igp.display;
  92         scale = igp.scale;
  93         width = igp.width;
  94         height = igp.height;
  95         keepAspectRatio = igp.keepAspectRatio;
  96         draft = igp.draft;
  97         noUnzip = igp.noUnzip;
  98
  99         bb = igp.bb;
 100         clip = igp.clip;
 101
 102         rotateAngle = igp.rotateAngle;
 103         rotateOrigin = igp.rotateOrigin;
 104         subcaption = igp.subcaption;
 105         subcaptionText = igp.subcaptionText;
 106         special = igp.special;
 107 }
 108
 109
 110 bool operator==(InsetGraphicsParams const & left,
 111                 InsetGraphicsParams const & right)
 112 {
 113         if (left.filename == right.filename &&
 114             left.lyxscale == right.lyxscale &&
 115             left.display == right.display &&
 116             left.scale == right.scale &&
 117             left.width == right.width &&
 118             left.height == right.height &&
 119             left.keepAspectRatio == right.keepAspectRatio &&
 120             left.draft == right.draft &&
 121             left.noUnzip == right.noUnzip &&
 122
 123
 124             left.bb == right.bb &&
 125             left.clip == right.clip &&
 126
 127             float_equal(left.rotateAngle, right.rotateAngle, 0.001) &&
 128             left.rotateOrigin == right.rotateOrigin &&
 129             left.subcaption == right.subcaption &&
 130             left.subcaptionText == right.subcaptionText &&
 131             left.special == right.special
 132            )
 133                 return true;
 134
 135         return false;
 136 }
 137
 138
 139 bool operator!=(InsetGraphicsParams const & left,
 140                 InsetGraphicsParams const & right)
 141 {
 142         return  !(left == right);
 143 }
 144
 145
 146 void InsetGraphicsParams::Write(ostream & os, string const & bufpath) const
 147 {
 148         // Do not write the default values
 149
 150         if (!filename.empty()) {
 151                 os << "\tfilename " << filename.outputFilename(bufpath) << '\n';
 152         }
 153         if (lyxscale != 100)
 154                 os << "\tlyxscale " << lyxscale << '\n';
 155         if (display != lyx::graphics::DefaultDisplay)
 156                 os << "\tdisplay " << lyx::graphics::displayTranslator().find(display) << '\n';
 157         if (!float_equal(scale, 0.0, 0.05)) {
 158                 if (!float_equal(scale, 100.0, 0.05))
 159                         os << "\tscale " << scale << '\n';
 160         } else {
 161                 if (!width.zero())
 162                         os << "\twidth " << width.asString() << '\n';
 163                 if (!height.zero())
 164                         os << "\theight " << height.asString() << '\n';
 165         }
 166
 167         if (keepAspectRatio)
 168                 os << "\tkeepAspectRatio\n";
 169         if (draft)                      // draft mode
 170                 os << "\tdraft\n";
 171         if (noUnzip)
 172                 os << "\tnoUnzip\n";
 173
 174         if (!bb.empty())                // bounding box
 175                 os << "\tBoundingBox " << bb << '\n';
 176         if (clip)                       // clip image
 177                 os << "\tclip\n";
 178
 179         if (rotateAngle != 0.0)
 180                 os << "\trotateAngle " << rotateAngle << '\n';
 181         if (!rotateOrigin.empty())
 182                 os << "\trotateOrigin " << rotateOrigin << '\n';
 183         if (subcaption)
 184                 os << "\tsubcaption\n";
 185         if (!subcaptionText.empty())
 186                 os << "\tsubcaptionText \"" << subcaptionText << '\"' << '\n';
 187         if (!special.empty())
 188                 os << "\tspecial " << special << '\n';
 189 }
 190
 191
 192 bool InsetGraphicsParams::Read(LyXLex & lex, string const & token, string const & bufpath)
 193 {
 194         if (token == "filename") {
 195                 lex.eatLine();
 196                 filename.set(lex.getString(), bufpath);
 197         } else if (token == "lyxscale") {
 198                 lex.next();
 199                 lyxscale = lex.getInteger();
 200         } else if (token == "display") {
 201                 lex.next();
 202                 string const type = lex.getString();
 203                 display = lyx::graphics::displayTranslator().find(type);
 204         } else if (token == "scale") {
 205                 lex.next();
 206                 scale = lex.getFloat();
 207         } else if (token == "width") {
 208                 lex.next();
 209                 width = LyXLength(lex.getString());
 210                 scale = 0.0;
 211         } else if (token == "height") {
 212                 lex.next();
 213                 height = LyXLength(lex.getString());
 214                 scale = 0.0;
 215         } else if (token == "keepAspectRatio") {
 216                 keepAspectRatio = true;
 217         } else if (token == "draft") {
 218                 draft = true;
 219         } else if (token == "noUnzip") {
 220                 noUnzip = true;
 221         } else if (token == "BoundingBox") {
 222                 bb.erase();
 223                 for (int i = 0; i < 4; ++i) {
 224                         if (i != 0)
 225                                 bb += ' ';
 226                         lex.next();
 227                         bb += lex.getString();
 228                 }
 229         } else if (token == "clip") {
 230                 clip = true;
 231         } else if (token == "rotateAngle") {
 232                 lex.next();
 233                 rotateAngle = lex.getFloat();
 234         } else if (token == "rotateOrigin") {
 235                 lex.next();
 236                 rotateOrigin=lex.getString();
 237         } else if (token == "subcaption") {
 238                 subcaption = true;
 239         } else if (token == "subcaptionText") {
 240                 lex.eatLine();
 241                 string sub = lex.getString();
 242                 // strip surrounding " "
 243                 subcaptionText = sub.substr(1, sub.length() - 2);
 244         } else if (token == "special") {
 245                 lex.eatLine();
 246                 special = lex.getString();
 247
 248         // catch and ignore following two old-format tokens and their arguments.
 249         // e.g. "size_kind scale" clashes with the setting of the
 250         // "scale <value>" keyword.
 251         } else if (token == "size_kind" || token == "lyxsize_kind") {
 252                 lex.next();
 253                 lex.getString();
 254
 255         } else {
 256                 // If it's none of the above, it's not ours.
 257                 return false;
 258         }
 259         return true;
 260 }
 261
 262
 263 lyx::graphics::Params InsetGraphicsParams::as_grfxParams() const
 264 {
 265         lyx::graphics::Params pars;
 266         pars.filename = filename.absFilename();
 267         pars.scale = lyxscale;
 268         pars.angle = rotateAngle;
 269
 270         if (clip) {
 271                 pars.bb = bb;
 272
 273                 // Get the original Bounding Box from the file
 274                 string const tmp = readBB_from_PSFile(filename.absFilename());
 275                 lyxerr[Debug::GRAPHICS] << "BB_from_File: " << tmp << std::endl;
 276                 if (!tmp.empty()) {
 277                         unsigned int const bb_orig_xl = strToInt(token(tmp, ' ', 0));
 278                         unsigned int const bb_orig_yb = strToInt(token(tmp, ' ', 1));
 279
 280                         // new pars.bb values must be >= zero
 281                         if  (pars.bb.xl > bb_orig_xl)
 282                                 pars.bb.xl -= bb_orig_xl;
 283                         else
 284                                 pars.bb.xl = 0;
 285
 286                         if (pars.bb.xr > bb_orig_xl)
 287                                 pars.bb.xr -= bb_orig_xl;
 288                         else
 289                                 pars.bb.xr = 0;
 290
 291                         if (pars.bb.yb > bb_orig_yb)
 292                                 pars.bb.yb -= bb_orig_yb;
 293                         else
 294                                 pars.bb.yb = 0;
 295
 296                         if (pars.bb.yt > bb_orig_yb)
 297                                 pars.bb.yt -= bb_orig_yb;
 298                         else
 299                                 pars.bb.yt = 0;
 300                 }
 301
 302                 // Paranoia check.
 303                 int const width  = pars.bb.xr - pars.bb.xl;
 304                 int const height = pars.bb.yt - pars.bb.yb;
 305
 306                 if (width  < 0 || height < 0) {
 307                         pars.bb.xl = 0;
 308                         pars.bb.xr = 0;
 309                         pars.bb.yb = 0;
 310                         pars.bb.yt = 0;
 311                 }
 312         }
 313
 314         if (display == lyx::graphics::DefaultDisplay) {
 315                 pars.display = lyxrc.display_graphics;
 316         } else {
 317                 pars.display = display;
 318         }
 319
 320         // Override the above if we're not using a gui
 321         if (!lyx_gui::use_gui) {
 322                 pars.display = lyx::graphics::NoDisplay;
 323         }
 324
 325         return pars;
 326 }