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