src/extension/init.cpp

   1 /*
   2  * This is what gets executed to initialize all of the modules.  For
   3  * the internal modules this invovles executing their initialization
   4  * functions, for external ones it involves reading their .spmodule
   5  * files and bringing them into Sodipodi.
   6  *
   7  * Authors:
   8  *   Ted Gould <ted@gould.cx>
   9  *
  10  * Copyright (C) 2002-2004 Authors
  11  *
  12  * Released under GNU GPL, read the file 'COPYING' for more information
  13  */
  14
  15 #ifdef HAVE_CONFIG_H
  16 # include "config.h"
  17 #endif
  18 #include "path-prefix.h"
  19
  20
  21 #include "inkscape.h"
  22 #include <glibmm/ustring.h>
  23 #include <glibmm/i18n.h>
  24
  25 #include "system.h"
  26 #include "db.h"
  27 #include "internal/svgz.h"
  28 #ifdef WIN32
  29 # include "internal/win32.h"
  30 # include "internal/emf-win32-inout.h"
  31 # include "internal/emf-win32-print.h"
  32 #endif
  33 #ifdef HAVE_CAIRO_PDF
  34 # include "internal/cairo-renderer-pdf-out.h"
  35 # include "internal/cairo-png-out.h"
  36 # include "internal/cairo-ps-out.h"
  37 #endif
  38 #ifdef HAVE_POPPLER
  39 # include "internal/pdfinput/pdf-input.h"
  40 #endif
  41 #ifdef HAVE_POPPLER_GLIB
  42 # include "internal/pdf-input-cairo.h"
  43 #endif
  44 #include "internal/pov-out.h"
  45 #include "internal/javafx-out.h"
  46 #include "internal/odf.h"
  47 #include "internal/latex-pstricks-out.h"
  48 #include "internal/latex-pstricks.h"
  49 #include "internal/gdkpixbuf-input.h"
  50 #include "internal/bluredge.h"
  51 #include "internal/gimpgrad.h"
  52 #include "internal/grid.h"
  53 #ifdef WITH_LIBWPG
  54 #include "internal/wpg-input.h"
  55 #endif
  56 #include "preferences.h"
  57 #include "io/sys.h"
  58 #ifdef WITH_DBUS
  59 #include "dbus/dbus-init.h"
  60 #endif
  61
  62 #ifdef WITH_IMAGE_MAGICK
  63 #include "internal/bitmap/adaptiveThreshold.h"
  64 #include "internal/bitmap/addNoise.h"
  65 #include "internal/bitmap/blur.h"
  66 #include "internal/bitmap/channel.h"
  67 #include "internal/bitmap/charcoal.h"
  68 #include "internal/bitmap/colorize.h"
  69 #include "internal/bitmap/contrast.h"
  70 #include "internal/bitmap/cycleColormap.h"
  71 #include "internal/bitmap/despeckle.h"
  72 #include "internal/bitmap/edge.h"
  73 #include "internal/bitmap/emboss.h"
  74 #include "internal/bitmap/enhance.h"
  75 #include "internal/bitmap/equalize.h"
  76 #include "internal/bitmap/gaussianBlur.h"
  77 #include "internal/bitmap/implode.h"
  78 #include "internal/bitmap/level.h"
  79 #include "internal/bitmap/levelChannel.h"
  80 #include "internal/bitmap/medianFilter.h"
  81 #include "internal/bitmap/modulate.h"
  82 #include "internal/bitmap/negate.h"
  83 #include "internal/bitmap/normalize.h"
  84 #include "internal/bitmap/oilPaint.h"
  85 #include "internal/bitmap/opacity.h"
  86 #include "internal/bitmap/raise.h"
  87 #include "internal/bitmap/reduceNoise.h"
  88 #include "internal/bitmap/sample.h"
  89 #include "internal/bitmap/shade.h"
  90 #include "internal/bitmap/sharpen.h"
  91 #include "internal/bitmap/solarize.h"
  92 #include "internal/bitmap/spread.h"
  93 #include "internal/bitmap/swirl.h"
  94 //#include "internal/bitmap/threshold.h"
  95 #include "internal/bitmap/unsharpmask.h"
  96 #include "internal/bitmap/wave.h"
  97 #endif /* WITH_IMAGE_MAGICK */
  98
  99 #include "internal/filter/filter.h"
 100
 101 extern gboolean inkscape_app_use_gui( Inkscape::Application const *app );
 102
 103 namespace Inkscape {
 104 namespace Extension {
 105
 106 /** This is the extention that all files are that are pulled from
 107     the extension directory and parsed */
 108 #define SP_MODULE_EXTENSION  "inx"
 109
 110 static void build_module_from_dir(gchar const *dirname);
 111 static void check_extensions();
 112
 113 /**
 114  * \return    none
 115  * \brief     Examines the given string preference and checks to see
 116  *            that at least one of the registered extensions matches
 117  *            it.  If not, a default is assigned.
 118  * \param     pref_path        Preference path to update
 119  * \param     pref_default     Default string to set
 120  * \param     extension_family List of extensions to search
 121  */
 122 static void
 123 update_pref(Glib::ustring const &pref_path,
 124             gchar const *pref_default) // , GSList *extension_family)
 125 {
 126     Glib::ustring pref = Inkscape::Preferences::get()->getString(pref_path);
 127     /*
 128     gboolean missing=TRUE;
 129     for (GSList *list = extension_family; list; list = g_slist_next(list)) {
 130         g_assert( list->data );
 131
 132         Inkscape::Extension *extension;
 133         extension = reinterpret_cast<Inkscape::Extension *>(list->data);
 134
 135         if (!strcmp(extension->get_id(),pref)) missing=FALSE;
 136     }
 137     */
 138     if (!Inkscape::Extension::db.get( pref.data() ) /*missing*/) {
 139         Inkscape::Preferences::get()->setString(pref_path, pref_default);
 140     }
 141 }
 142
 143 /**
 144  * Invokes the init routines for internal modules.
 145  *
 146  * This should be a list of all the internal modules that need to initialized.  This is just a
 147  * convinent place to put them.  Also, this function calls build_module_from_dir to parse the
 148  * Inkscape extensions directory.
 149  */
 150 void
 151 init()
 152 {
 153     /* TODO: Change to Internal */
 154     Internal::Svg::init();
 155     Internal::Svgz::init();
 156
 157 #ifdef HAVE_CAIRO_PDF
 158     //g_print ("Using CairoRendererPdfOutput: new pdf exporter\n");
 159     Internal::CairoRendererPdfOutput::init();
 160     Internal::CairoRendererOutput::init();
 161
 162     Internal::CairoPsOutput::init();
 163     Internal::CairoEpsOutput::init();
 164 #endif
 165 #ifdef HAVE_POPPLER
 166     Internal::PdfInput::init();
 167 #endif
 168 #ifdef HAVE_POPPLER_GLIB
 169     if (1) {
 170     Internal::PdfInputCairo::init();
 171     }
 172 #endif
 173 #ifdef WIN32
 174     Internal::PrintWin32::init();
 175     Internal::PrintEmfWin32::init();
 176     Internal::EmfWin32::init();
 177 #endif
 178     Internal::PovOutput::init();
 179     Internal::JavaFXOutput::init();
 180     Internal::OdfOutput::init();
 181     Internal::PrintLatex::init();
 182     Internal::LatexOutput::init();
 183 #ifdef WITH_LIBWPG
 184     Internal::WpgInput::init();
 185 #endif
 186
 187     /* Effects */
 188     Internal::BlurEdge::init();
 189     Internal::GimpGrad::init();
 190     Internal::Grid::init();
 191
 192 #ifdef WITH_DBUS
 193     Dbus::init();
 194 #endif
 195
 196     /* Raster Effects */
 197 #ifdef WITH_IMAGE_MAGICK
 198     Internal::Bitmap::AdaptiveThreshold::init();
 199     Internal::Bitmap::AddNoise::init();
 200     Internal::Bitmap::Blur::init();
 201     Internal::Bitmap::Channel::init();
 202     Internal::Bitmap::Charcoal::init();
 203     Internal::Bitmap::Colorize::init();
 204     Internal::Bitmap::Contrast::init();
 205     Internal::Bitmap::CycleColormap::init();
 206     Internal::Bitmap::Edge::init();
 207     Internal::Bitmap::Despeckle::init();
 208     Internal::Bitmap::Emboss::init();
 209     Internal::Bitmap::Enhance::init();
 210     Internal::Bitmap::Equalize::init();
 211     Internal::Bitmap::GaussianBlur::init();
 212     Internal::Bitmap::Implode::init();
 213     Internal::Bitmap::Level::init();
 214     Internal::Bitmap::LevelChannel::init();
 215     Internal::Bitmap::MedianFilter::init();
 216     Internal::Bitmap::Modulate::init();
 217     Internal::Bitmap::Negate::init();
 218     Internal::Bitmap::Normalize::init();
 219     Internal::Bitmap::OilPaint::init();
 220     Internal::Bitmap::Opacity::init();
 221     Internal::Bitmap::Raise::init();
 222     Internal::Bitmap::ReduceNoise::init();
 223     Internal::Bitmap::Sample::init();
 224     Internal::Bitmap::Shade::init();
 225     Internal::Bitmap::Sharpen::init();
 226     Internal::Bitmap::Solarize::init();
 227     Internal::Bitmap::Spread::init();
 228     Internal::Bitmap::Swirl::init();
 229     //Internal::Bitmap::Threshold::init();
 230     Internal::Bitmap::Unsharpmask::init();
 231     Internal::Bitmap::Wave::init();
 232 #endif /* WITH_IMAGE_MAGICK */
 233
 234     Internal::Filter::Filter::filters_all();
 235
 236     /* Load search path for extensions */
 237     if (Inkscape::Extension::Extension::search_path.size() == 0)
 238     {
 239         Inkscape::Extension::Extension::search_path.push_back(profile_path("extensions"));
 240
 241         Inkscape::Extension::Extension::search_path.push_back(g_strdup(INKSCAPE_EXTENSIONDIR));
 242
 243     }
 244
 245     for (unsigned int i=0; i<Inkscape::Extension::Extension::search_path.size(); i++) {
 246         build_module_from_dir(Inkscape::Extension::Extension::search_path[i]);
 247     }
 248
 249     /* this is at the very end because it has several catch-alls
 250      * that are possibly over-ridden by other extensions (such as
 251      * svgz)
 252      */
 253     Internal::GdkpixbufInput::init();
 254
 255     /* now we need to check and make sure everyone is happy */
 256     check_extensions();
 257
 258     /* This is a hack to deal with updating saved outdated module
 259      * names in the prefs...
 260      */
 261     update_pref("/dialogs/save_as/default",
 262                 SP_MODULE_KEY_OUTPUT_SVG_INKSCAPE
 263                 // Inkscape::Extension::db.get_output_list()
 264         );
 265 }
 266
 267 /**
 268  * \return    none
 269  * \brief     This function parses a directory for files of SP_MODULE_EXTENSION
 270  *            type and loads them.
 271  * \param     dirname  The directory that should be searched for modules
 272  *
 273  * Here is just a basic function that moves through a directory.  It looks at every entry, and
 274  * compares its filename with SP_MODULE_EXTENSION.  Of those that pass, build_from_file is called
 275  * with their filenames.
 276  */
 277 static void
 278 build_module_from_dir(gchar const *dirname)
 279 {
 280     if (!dirname) {
 281         g_warning(_("Null external module directory name.  Modules will not be loaded."));
 282         return;
 283     }
 284
 285     if (!Glib::file_test(std::string(dirname), Glib::FILE_TEST_EXISTS | Glib::FILE_TEST_IS_DIR)) {
 286         return;
 287     }
 288
 289     //# Hopefully doing this the Glib way is portable
 290
 291     GError *err;
 292     GDir *directory = g_dir_open(dirname, 0, &err);
 293     if (!directory) {
 294         gchar *safeDir = Inkscape::IO::sanitizeString(dirname);
 295         g_warning(_("Modules directory (%s) is unavailable.  External modules in that directory will not be loaded."), safeDir);
 296         g_free(safeDir);
 297         return;
 298     }
 299
 300     gchar *filename;
 301     while ((filename = (gchar *)g_dir_read_name(directory)) != NULL) {
 302         if (strlen(filename) < strlen(SP_MODULE_EXTENSION)) {
 303             continue;
 304         }
 305
 306         if (strcmp(SP_MODULE_EXTENSION, filename + (strlen(filename) - strlen(SP_MODULE_EXTENSION)))) {
 307             continue;
 308         }
 309
 310         gchar *pathname = g_build_filename(dirname, filename, NULL);
 311         build_from_file(pathname);
 312         g_free(pathname);
 313     }
 314
 315     g_dir_close(directory);
 316
 317         return;
 318 }
 319
 320
 321 static void
 322 check_extensions_internal(Extension *in_plug, gpointer in_data)
 323 {
 324     int *count = (int *)in_data;
 325
 326     if (in_plug == NULL) return;
 327     if (!in_plug->deactivated() && !in_plug->check()) {
 328          in_plug->deactivate();
 329         (*count)++;
 330     }
 331 }
 332
 333 static void
 334 check_extensions()
 335 {
 336     int count = 1;
 337     bool anyfail = false;
 338     // int pass = 0;
 339
 340     Inkscape::Extension::Extension::error_file_open();
 341     while (count != 0) {
 342         count = 0;
 343         db.foreach(check_extensions_internal, (gpointer)&count);
 344         if (count != 0) anyfail = true;
 345     }
 346     Inkscape::Extension::Extension::error_file_close();
 347 }
 348
 349 } } /* namespace Inkscape::Extension */
 350
 351
 352 /*
 353   Local Variables:
 354   mode:c++
 355   c-file-style:"stroustrup"
 356   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 357   indent-tabs-mode:nil
 358   fill-column:99
 359   End:
 360 */
 361 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :