src/insets/InsetGraphicsParams.cpp

   1 /**
   2  * \file InsetGraphicsParams.cpp
   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 "Buffer.h"
  17 #include "LyX.h" // for use_gui
  18 #include "Lexer.h"
  19 #include "LyXRC.h"
  20
  21 #include "graphics/epstools.h"
  22 #include "graphics/GraphicsTypes.h"
  23
  24 #include "support/convert.h"
  25 #include "support/debug.h"
  26 #include "support/lyxlib.h"
  27 #include "support/lstrings.h"
  28 #include "support/Translator.h"
  29
  30 #include <ostream>
  31
  32 using namespace std;
  33 using namespace lyx::support;
  34
  35 namespace lyx {
  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 & InsetGraphicsParams::operator=(InsetGraphicsParams const & params)
  54 {
  55         // Are we assigning the object into itself?
  56         if (this == &params)
  57                 return *this;
  58         copy(params);
  59         return *this;
  60 }
  61
  62
  63 void InsetGraphicsParams::init()
  64 {
  65         filename.erase();
  66         lyxscale = 100;                 // lyx scaling in percentage
  67         display = true;         // may be overridden by display mode in preferences
  68         scale = string("100");                  // output scaling in percentage
  69         width = Length();
  70         height = Length();
  71         keepAspectRatio = false;        // for LaTeX output
  72         draft = false;                  // draft mode
  73         scaleBeforeRotation = false;    // scale image before rotating
  74
  75         bbox = graphics::BoundingBox(); // bounding box
  76         clip = false;                   // clip image
  77         darkModeSensitive = false;      // dark mode dependency (InsetInfo)
  78
  79         rotateAngle = "0";              // angle of rotation in degrees
  80         rotateOrigin.erase();           // Origin of rotation
  81         special.erase();                // additional userdefined stuff
  82         groupId.clear();
  83 }
  84
  85
  86 void InsetGraphicsParams::copy(InsetGraphicsParams const & params)
  87 {
  88         filename = params.filename;
  89         lyxscale = params.lyxscale;
  90         display = params.display;
  91         scale = params.scale;
  92         width = params.width;
  93         height = params.height;
  94         keepAspectRatio = params.keepAspectRatio;
  95         draft = params.draft;
  96         scaleBeforeRotation = params.scaleBeforeRotation;
  97
  98         bbox = params.bbox;
  99         clip = params.clip;
 100         darkModeSensitive = params.darkModeSensitive;
 101
 102         rotateAngle = params.rotateAngle;
 103         rotateOrigin = params.rotateOrigin;
 104         special = params.special;
 105         groupId = params.groupId;
 106 }
 107
 108
 109 bool operator==(InsetGraphicsParams const & left,
 110                 InsetGraphicsParams const & right)
 111 {
 112         return left.filename == right.filename &&
 113             left.lyxscale == right.lyxscale &&
 114             left.display == right.display &&
 115             left.scale == right.scale &&
 116             left.width == right.width &&
 117             left.height == right.height &&
 118             left.keepAspectRatio == right.keepAspectRatio &&
 119             left.draft == right.draft &&
 120             left.scaleBeforeRotation == right.scaleBeforeRotation &&
 121
 122             left.bbox == right.bbox &&
 123             left.clip == right.clip &&
 124             left.darkModeSensitive == right.darkModeSensitive &&
 125
 126             left.rotateAngle == right.rotateAngle &&
 127             left.rotateOrigin == right.rotateOrigin &&
 128             left.special == right.special &&
 129             left.groupId == right.groupId;
 130 }
 131
 132
 133 bool operator!=(InsetGraphicsParams const & left,
 134                 InsetGraphicsParams const & right)
 135 {
 136         return  !(left == right);
 137 }
 138
 139
 140 void InsetGraphicsParams::Write(ostream & os, Buffer const & buffer) const
 141 {
 142         // Do not write the default values
 143         if (!filename.empty())
 144                 os << "\tfilename " << filename.outputFileName(buffer.filePath()) << '\n';
 145         if (lyxscale != 100)
 146                 os << "\tlyxscale " << lyxscale << '\n';
 147         if (!display)
 148                 os << "\tdisplay false\n";
 149         if (!scale.empty() && !float_equal(convert<double>(scale), 0.0, 0.05)) {
 150                 if (!float_equal(convert<double>(scale), 100.0, 0.05))
 151                         os << "\tscale " << scale << '\n';
 152         } else {
 153                 if (!width.zero())
 154                         os << "\twidth " << width.asString() << '\n';
 155                 if (!height.zero())
 156                         os << "\theight " << height.asString() << '\n';
 157         }
 158
 159         if (keepAspectRatio)
 160                 os << "\tkeepAspectRatio\n";
 161         if (draft)                      // draft mode
 162                 os << "\tdraft\n";
 163         if (scaleBeforeRotation)
 164                 os << "\tscaleBeforeRotation\n";
 165
 166         if (!bbox.empty())              // bounding box
 167                 os << "\tBoundingBox " << bbox << '\n';
 168         if (clip)                       // clip image
 169                 os << "\tclip\n";
 170
 171         if (!rotateAngle.empty()
 172                 && !float_equal(convert<double>(rotateAngle), 0.0, 0.001))
 173                 os << "\trotateAngle " << rotateAngle << '\n';
 174         if (!rotateOrigin.empty())
 175                 os << "\trotateOrigin " << rotateOrigin << '\n';
 176         if (!special.empty())
 177                 os << "\tspecial " << special << '\n';
 178         if (!groupId.empty())
 179                 os << "\tgroupId "<< groupId << '\n';
 180 }
 181
 182
 183 bool InsetGraphicsParams::Read(Lexer & lex, string const & token,
 184                                Buffer const & buf, bool allowOrigin)
 185 {
 186         if (token == "filename") {
 187                 lex.eatLine();
 188                 if (allowOrigin)
 189                         filename = buf.getReferencedFileName(lex.getString());
 190                 else
 191                         filename.set(lex.getString(), buf.filePath());
 192         } else if (token == "lyxscale") {
 193                 lex.next();
 194                 lyxscale = lex.getInteger();
 195         } else if (token == "display") {
 196                 lex.next();
 197                 display = lex.getString() != "false";
 198         } else if (token == "scale") {
 199                 lex.next();
 200                 scale = lex.getString();
 201         } else if (token == "width") {
 202                 lex.next();
 203                 width = Length(lex.getString());
 204                 scale = string();
 205         } else if (token == "height") {
 206                 lex.next();
 207                 height = Length(lex.getString());
 208                 scale = string();
 209         } else if (token == "keepAspectRatio") {
 210                 keepAspectRatio = true;
 211         } else if (token == "draft") {
 212                 draft = true;
 213         } else if (token == "scaleBeforeRotation") {
 214                 scaleBeforeRotation = true;
 215         } else if (token == "BoundingBox") {
 216                 lex.next();
 217                 bbox.xl = Length(lex.getString());
 218                 lex.next();
 219                 bbox.yb = Length(lex.getString());
 220                 lex.next();
 221                 bbox.xr = Length(lex.getString());
 222                 lex.next();
 223                 bbox.yt = Length(lex.getString());
 224         } else if (token == "clip") {
 225                 clip = true;
 226         } else if (token == "rotateAngle") {
 227                 lex.next();
 228                 rotateAngle = lex.getString();
 229         } else if (token == "rotateOrigin") {
 230                 lex.next();
 231                 rotateOrigin=lex.getString();
 232         } else if (token == "special") {
 233                 lex.eatLine();
 234                 special = lex.getString();
 235         } else if (token == "groupId") {
 236                 lex.eatLine();
 237                 groupId = lex.getString();
 238
 239         // catch and ignore following two old-format tokens and their arguments.
 240         // e.g. "size_kind scale" clashes with the setting of the
 241         // "scale <value>" keyword.
 242         } else if (token == "size_kind" || token == "lyxsize_kind") {
 243                 lex.next();
 244                 lex.getString();
 245
 246         } else {
 247                 // If it's none of the above, it's not ours.
 248                 return false;
 249         }
 250         return true;
 251 }
 252
 253
 254 graphics::Params InsetGraphicsParams::as_grfxParams() const
 255 {
 256         graphics::Params pars;
 257         pars.filename = filename;
 258         pars.scale = lyxscale;
 259         pars.angle = convert<double>(rotateAngle);
 260
 261         if (clip) {
 262                 pars.bb = bbox;
 263
 264                 // Get the original Bounding Box from the file
 265                 string const tmp = graphics::readBB_from_PSFile(filename);
 266                 LYXERR(Debug::GRAPHICS, "BB_from_File: " << tmp);
 267                 if (!tmp.empty()) {
 268                         unsigned int const bb_orig_xl = convert<unsigned int>(token(tmp, ' ', 0));
 269                         unsigned int const bb_orig_yb = convert<unsigned int>(token(tmp, ' ', 1));
 270
 271                         // new pars.bb values must be >= zero
 272                         if (pars.bb.xl.inBP() > static_cast<int>(bb_orig_xl))
 273                                 pars.bb.xl = Length(pars.bb.xl.inBP() - bb_orig_xl, Length::BP);
 274                         else
 275                                 pars.bb.xl = Length();
 276
 277                         if (pars.bb.xr.inBP() > static_cast<int>(bb_orig_xl))
 278                                 pars.bb.xr = Length(pars.bb.xr.inBP() - bb_orig_xl, Length::BP);
 279                         else
 280                                 pars.bb.xr = Length();
 281
 282                         if (pars.bb.yb.inBP() > static_cast<int>(bb_orig_yb))
 283                                 pars.bb.yb = Length(pars.bb.yb.inBP() - bb_orig_yb, Length::BP);
 284                         else
 285                                 pars.bb.yb = Length();
 286
 287                         if (pars.bb.yt.inBP() > static_cast<int>(bb_orig_yb))
 288                                 pars.bb.yt = Length(pars.bb.yt.inBP() - bb_orig_yb, Length::BP);
 289                         else
 290                                 pars.bb.yt = Length();
 291                 }
 292
 293                 // Paranoia check.
 294                 if (pars.bb.xr.inBP() < pars.bb.xl.inBP()
 295                     || pars.bb.yt.inBP() < pars.bb.yb.inBP()) {
 296                         pars.bb.xl = Length();
 297                         pars.bb.xr = Length();
 298                         pars.bb.yb = Length();
 299                         pars.bb.yt = Length();
 300                 }
 301         }
 302
 303         pars.display = display;
 304
 305         // Override the above if we're not using a gui
 306         if (!use_gui)
 307                 pars.display = false;
 308
 309         return pars;
 310 }
 311
 312
 313 } // namespace lyx