src/extension/internal/filter/color.h

   1 #ifndef __INKSCAPE_EXTENSION_INTERNAL_FILTER_COLOR_H__
   2 #define __INKSCAPE_EXTENSION_INTERNAL_FILTER_COLOR_H__
   3 /* Change the 'COLOR' above to be your file name */
   4
   5 /*
   6  * Copyright (C) 2010 Authors:
   7  *   Ivan Louette (filters)
   8  *   Nicolas Dufour (UI) <nicoduf@yahoo.fr>
   9  *
  10  * Released under GNU GPL, read the file 'COPYING' for more information
  11  */
  12 /* ^^^ Change the copyright to be you and your e-mail address ^^^ */
  13
  14 #include "filter.h"
  15
  16 #include "extension/internal/clear-n_.h"
  17 #include "extension/system.h"
  18 #include "extension/extension.h"
  19
  20 namespace Inkscape {
  21 namespace Extension {
  22 namespace Internal {
  23 namespace Filter {
  24
  25 /* Custom predefined Colorize filter
  26
  27 Filter's parameters:
  28     * Harsh light (0.-10., default 0) -> composite1 (k1)
  29     * Normal light (0.-10., default 1) -> composite2 (k2)
  30     * Duotone (boolean, default false) -> colormatrix1 (values="0")
  31     * Filtered greys (boolean, default false) -> colormatrix2 (values="0")
  32     * Blend mode 1 (enum, default Multiply) -> blend1 (mode)
  33     * Blend mode 2 (enum, default Screen) -> blend2 (mode)
  34 */
  35
  36 class Colorize : public Inkscape::Extension::Internal::Filter::Filter {
  37 protected:
  38         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
  39
  40 public:
  41         Colorize ( ) : Filter() { };
  42         virtual ~Colorize ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
  43
  44         static void init (void) {
  45                 Inkscape::Extension::build_from_mem(
  46                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
  47                                 "<name>" N_("Colorize, custom -EXP-") "</name>\n"
  48                                 "<id>org.inkscape.effect.filter.Colorize</id>\n"
  49                         "<param name=\"hlight\" gui-text=\"" N_("Harsh light:") "\" type=\"float\" min=\"0\" max=\"10\">0</param>\n"
  50                         "<param name=\"nlight\" gui-text=\"" N_("Normal light:") "\" type=\"float\" min=\"0\" max=\"10\">1</param>\n"
  51                         "<param name=\"duotone\" gui-text=\"" N_("Duotone") "\" type=\"boolean\" >false</param>\n"
  52                         "<param name=\"fg\" gui-text=\"" N_("Filtered greys") "\" type=\"boolean\" >false</param>\n"
  53                         "<param name=\"blend1\" gui-text=\"" N_("Blend1:") "\" type=\"enum\">\n"
  54                             "<_item value=\"multiply\">Multiply</_item>\n"
  55                             "<_item value=\"normal\">Normal</_item>\n"
  56                             "<_item value=\"screen\">Screen</_item>\n"
  57                             "<_item value=\"lighten\">Lighten</_item>\n"
  58                             "<_item value=\"darken\">Darken</_item>\n"
  59                         "</param>\n"
  60                         "<param name=\"blend2\" gui-text=\"" N_("Blend2:") "\" type=\"enum\">\n"
  61                             "<_item value=\"screen\">Screen</_item>\n"
  62                             "<_item value=\"multiply\">Multiply</_item>\n"
  63                             "<_item value=\"normal\">Normal</_item>\n"
  64                             "<_item value=\"lighten\">Lighten</_item>\n"
  65                             "<_item value=\"darken\">Darken</_item>\n"
  66                         "</param>\n"
  67                                         "<param name=\"color\" gui-text=\"" N_("Color 1") "\" type=\"color\">-1639776001</param>\n"
  68                                 "<effect>\n"
  69                                         "<object-type>all</object-type>\n"
  70                                         "<effects-menu>\n"
  71                                                 "<submenu name=\"" N_("Filters") "\">\n"
  72                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
  73                               "</submenu>\n"
  74                                         "</effects-menu>\n"
  75                                         "<menu-tip>" N_("Blend image or object with a flood color") "</menu-tip>\n"
  76                                 "</effect>\n"
  77                         "</inkscape-extension>\n", new Colorize());
  78         };
  79
  80 };
  81
  82 gchar const *
  83 Colorize::get_filter_text (Inkscape::Extension::Extension * ext)
  84 {
  85         if (_filter != NULL) g_free((void *)_filter);
  86
  87     std::ostringstream a;
  88     std::ostringstream r;
  89     std::ostringstream g;
  90     std::ostringstream b;
  91     std::ostringstream hlight;
  92     std::ostringstream nlight;
  93     std::ostringstream duotone;
  94     std::ostringstream fg;
  95     std::ostringstream blend1;
  96     std::ostringstream blend2;
  97
  98     guint32 color = ext->get_param_color("color");
  99     r << ((color >> 24) & 0xff);
 100     g << ((color >> 16) & 0xff);
 101     b << ((color >>  8) & 0xff);
 102     a << (color & 0xff) / 255.0F;
 103
 104     hlight << ext->get_param_float("hlight");
 105     nlight << ext->get_param_float("nlight");
 106     blend1 << ext->get_param_enum("blend1");
 107     blend2 << ext->get_param_enum("blend2");
 108     if (ext->get_param_bool("duotone"))
 109         duotone << "0";
 110     else
 111         duotone << "1";
 112     if (ext->get_param_bool("fg"))
 113         fg << "0";
 114     else
 115         fg << "1";
 116
 117         _filter = g_strdup_printf(
 118                 "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" height=\"1\" width=\"1\" y=\"0\" x=\"0\" inkscape:label=\"Colorize, custom -EXP-\">\n"
 119             "<feComposite in2=\"SourceGraphic\" operator=\"arithmetic\" k1=\"%s\" k2=\"%s\" result=\"composite1\" />\n"
 120             "<feColorMatrix in=\"composite1\" values=\"%s\" type=\"saturate\" result=\"colormatrix1\" />\n"
 121             "<feFlood flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood1\" />\n"
 122             "<feBlend in=\"flood1\" in2=\"colormatrix1\" mode=\"%s\" result=\"blend1\" />\n"
 123             "<feBlend in2=\"blend1\" mode=\"%s\" result=\"blend2\" />\n"
 124             "<feColorMatrix in=\"blend2\" values=\"%s\" type=\"saturate\" result=\"colormatrix2\" />\n"
 125             "<feComposite in=\"colormatrix2\" in2=\"SourceGraphic\" operator=\"in\" k2=\"1\" result=\"composite2\" />\n"
 126         "</filter>\n", hlight.str().c_str(), nlight.str().c_str(), duotone.str().c_str(), a.str().c_str(), r.str().c_str(), g.str().c_str(), b.str().c_str(), blend1.str().c_str(), blend2.str().c_str(), fg.str().c_str());
 127
 128         return _filter;
 129 }; /* Colorize filter */
 130
 131
 132 /* Custom predefined Duochrome filter
 133
 134 Filter's parameters:
 135     * Fluorescence level (0.-2., default 0) -> composite4 (k2)
 136     * Swap (enum, default "No swap") -> composite1, composite2 (operator)
 137     * Color 1 (guint, default 1364325887) -> flood1 (flood-opacity, flood-color)
 138     * Color 2 (guint, default -65281) -> flood2 (flood-opacity, flood-color)
 139 */
 140
 141 class Duochrome : public Inkscape::Extension::Internal::Filter::Filter {
 142 protected:
 143         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
 144
 145 public:
 146         Duochrome ( ) : Filter() { };
 147         virtual ~Duochrome ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
 148
 149         static void init (void) {
 150                 Inkscape::Extension::build_from_mem(
 151                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 152                                 "<name>" N_("Duochrome, custom -EXP-") "</name>\n"
 153                                 "<id>org.inkscape.effect.filter.Duochrome</id>\n"
 154                         "<param name=\"fluo\" gui-text=\"" N_("Fluorescence level:") "\" type=\"float\" min=\"0\" max=\"2\">0</param>\n"
 155                         "<param name=\"swap\" gui-text=\"" N_("Swap:") "\" type=\"enum\">\n"
 156                             "<_item value=\"none\">No swap</_item>\n"
 157                             "<_item value=\"full\">Color and alpha</_item>\n"
 158                             "<_item value=\"color\">Color only</_item>\n"
 159                             "<_item value=\"alpha\">Alpha only</_item>\n"
 160                         "</param>\n"
 161                         "<_param name=\"header1\" type=\"groupheader\">Color 1</_param>\n"
 162                                         "<param name=\"color1\" gui-text=\"" N_("Color 1") "\" type=\"color\">1364325887</param>\n"
 163                         "<_param name=\"header2\" type=\"groupheader\">Color 2</_param>\n"
 164                                         "<param name=\"color2\" gui-text=\"" N_("Color 2") "\" type=\"color\">-65281</param>\n"
 165                                 "<effect>\n"
 166                                         "<object-type>all</object-type>\n"
 167                                         "<effects-menu>\n"
 168                                                 "<submenu name=\"" N_("Filters") "\">\n"
 169                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
 170                               "</submenu>\n"
 171                                         "</effects-menu>\n"
 172                                         "<menu-tip>" N_("Convert luminance values to a duochrome palette") "</menu-tip>\n"
 173                                 "</effect>\n"
 174                         "</inkscape-extension>\n", new Duochrome());
 175         };
 176
 177 };
 178
 179 gchar const *
 180 Duochrome::get_filter_text (Inkscape::Extension::Extension * ext)
 181 {
 182         if (_filter != NULL) g_free((void *)_filter);
 183
 184     std::ostringstream a1;
 185     std::ostringstream r1;
 186     std::ostringstream g1;
 187     std::ostringstream b1;
 188     std::ostringstream a2;
 189     std::ostringstream r2;
 190     std::ostringstream g2;
 191     std::ostringstream b2;
 192     std::ostringstream fluo;
 193     std::ostringstream swap1;
 194     std::ostringstream swap2;
 195     guint32 color1 = ext->get_param_color("color1");
 196     guint32 color2 = ext->get_param_color("color2");
 197     float fluorescence = ext->get_param_float("fluo");
 198     const gchar *swaptype = ext->get_param_enum("swap");
 199
 200     r1 << ((color1 >> 24) & 0xff);
 201     g1 << ((color1 >> 16) & 0xff);
 202     b1 << ((color1 >>  8) & 0xff);
 203     r2 << ((color2 >> 24) & 0xff);
 204     g2 << ((color2 >> 16) & 0xff);
 205     b2 << ((color2 >>  8) & 0xff);
 206     fluo << fluorescence;
 207
 208     if((g_ascii_strcasecmp("full", swaptype) == 0)) {
 209         swap1 << "in";
 210         swap2 << "out";
 211         a1 << (color1 & 0xff) / 255.0F;
 212         a2 << (color2 & 0xff) / 255.0F;
 213     } else if((g_ascii_strcasecmp("color", swaptype) == 0)) {
 214         swap1 << "in";
 215         swap2 << "out";
 216         a1 << (color2 & 0xff) / 255.0F;
 217         a2 << (color1 & 0xff) / 255.0F;
 218     } else if((g_ascii_strcasecmp("alpha", swaptype) == 0)) {
 219         swap1 << "out";
 220         swap2 << "in";
 221         a1 << (color2 & 0xff) / 255.0F;
 222         a2 << (color1 & 0xff) / 255.0F;
 223     } else {
 224         swap1 << "out";
 225         swap2 << "in";
 226         a1 << (color1 & 0xff) / 255.0F;
 227         a2 << (color2 & 0xff) / 255.0F;
 228     }
 229
 230         _filter = g_strdup_printf(
 231                 "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" height=\"1\" width=\"1\" y=\"0\" x=\"0\" inkscape:label=\"Duochrome, custom -EXP-\">\n"
 232             "<feColorMatrix type=\"luminanceToAlpha\" result=\"colormatrix1\" />\n"
 233             "<feFlood flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood1\" />\n"
 234             "<feComposite in2=\"colormatrix1\" operator=\"%s\" result=\"composite1\" />\n"
 235             "<feFlood in=\"colormatrix1\" flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood2\" />\n"
 236             "<feComposite in2=\"colormatrix1\" result=\"composite2\" operator=\"%s\" />\n"
 237             "<feComposite in=\"composite2\" in2=\"composite1\" k2=\"1\"  k3=\"1\" operator=\"arithmetic\" result=\"composite3\" />\n"
 238             "<feColorMatrix in=\"composite3\" type=\"matrix\" values=\"2 -1 0 0 0 0 2 -1 0 0 -1 0 2 0 0 0 0 0 1 0 \" result=\"colormatrix2\" />\n"
 239             "<feComposite in=\"colormatrix2\" in2=\"composite3\" operator=\"arithmetic\" k2=\"%s\" result=\"composite4\" />\n"
 240             "<feBlend in=\"composite4\" in2=\"composite3\" blend=\"normal\" mode=\"normal\" result=\"blend\" />\n"
 241             "<feComposite in2=\"SourceGraphic\" operator=\"in\" />\n"
 242         "</filter>\n", a1.str().c_str(), r1.str().c_str(), g1.str().c_str(), b1.str().c_str(), swap1.str().c_str(), a2.str().c_str(), r2.str().c_str(), g2.str().c_str(), b2.str().c_str(), swap2.str().c_str(), fluo.str().c_str());
 243
 244         return _filter;
 245 }; /* Duochrome filter */
 246
 247
 248 /* Custom predefined Quadritone filter
 249
 250 Filter's parameters:
 251     * Hue distribution (0-360, default 280) -> colormatrix1 (values)
 252     * Colors (0-360, default 100) -> colormatrix3 (values)
 253     * Blend mode 1 (enum, default Normal) -> blend1 (mode)
 254     * Over-saturation (0.-1., default 0) -> composite1 (k2)
 255     * Blend mode 2 (enum, default Normal) -> blend2 (mode)
 256 */
 257
 258 class Quadritone : public Inkscape::Extension::Internal::Filter::Filter {
 259 protected:
 260         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
 261
 262 public:
 263         Quadritone ( ) : Filter() { };
 264         virtual ~Quadritone ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
 265
 266         static void init (void) {
 267                 Inkscape::Extension::build_from_mem(
 268                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 269                                 "<name>" N_("Quadritone fantasy, custom -EXP-") "</name>\n"
 270                                 "<id>org.inkscape.effect.filter.Quadritone</id>\n"
 271                         "<param name=\"dist\" gui-text=\"" N_("Hue distribution:") "\" type=\"int\" min=\"0\" max=\"360\">280</param>\n"
 272                         "<param name=\"colors\" gui-text=\"" N_("Colors:") "\" type=\"int\" min=\"0\" max=\"360\">100</param>\n"
 273                         "<param name=\"blend1\" gui-text=\"" N_("Blend1:") "\" type=\"enum\">\n"
 274                             "<_item value=\"normal\">Normal</_item>\n"
 275                             "<_item value=\"multiply\">Multiply</_item>\n"
 276                             "<_item value=\"screen\">Screen</_item>\n"
 277                         "</param>\n"
 278                         "<param name=\"sat\" gui-text=\"" N_("Over-saturation:") "\" type=\"float\" min=\"0\" max=\"1\">0</param>\n"
 279                         "<param name=\"blend2\" gui-text=\"" N_("Blend2:") "\" type=\"enum\">\n"
 280                             "<_item value=\"normal\">Normal</_item>\n"
 281                             "<_item value=\"screen\">Screen</_item>\n"
 282                             "<_item value=\"multiply\">Multiply</_item>\n"
 283                             "<_item value=\"lighten\">Lighten</_item>\n"
 284                             "<_item value=\"darken\">Darken</_item>\n"
 285                         "</param>\n"
 286                                 "<effect>\n"
 287                                         "<object-type>all</object-type>\n"
 288                                         "<effects-menu>\n"
 289                                                 "<submenu name=\"" N_("Filters") "\">\n"
 290                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
 291                               "</submenu>\n"
 292                                         "</effects-menu>\n"
 293                                         "<menu-tip>" N_("Replace hue by two colors") "</menu-tip>\n"
 294                                 "</effect>\n"
 295                         "</inkscape-extension>\n", new Quadritone());
 296         };
 297
 298 };
 299
 300 gchar const *
 301 Quadritone::get_filter_text (Inkscape::Extension::Extension * ext)
 302 {
 303         if (_filter != NULL) g_free((void *)_filter);
 304
 305     std::ostringstream dist;
 306     std::ostringstream colors;
 307     std::ostringstream blend1;
 308     std::ostringstream sat;
 309     std::ostringstream blend2;
 310
 311     dist << ext->get_param_int("dist");
 312     colors << ext->get_param_int("colors");
 313     blend1 << ext->get_param_enum("blend1");
 314     sat << ext->get_param_float("sat");
 315     blend2 << ext->get_param_enum("blend2");
 316
 317         _filter = g_strdup_printf(
 318                 "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" height=\"1\" width=\"1\" y=\"0\" x=\"0\" inkscape:label=\"Quadritone fantasy, custom -EXP-\">\n"
 319             "<feColorMatrix in=\"SourceGraphic\" type=\"hueRotate\" values=\"%s\" result=\"colormatrix1\" />\n"
 320             "<feColorMatrix type=\"matrix\" values=\"0.5 0 0.5 0 0 0 1 0 0 0 0.5 0 0.5 0 0 0 0 0 1 0 \" result=\"colormatrix2\" />\n"
 321             "<feColorMatrix type=\"hueRotate\" values=\"%s\" result=\"colormatrix3\" />\n"
 322             "<feBlend in2=\"colormatrix3\" blend=\"normal\" mode=\"%s\" result=\"blend1\" />\n"
 323             "<feColorMatrix type=\"matrix\" values=\"2.5 -0.75 -0.75 0 0 -0.75 2.5 -0.75 0 0 -0.75 -0.75 2.5 0 0 0 0 0 1 0 \" result=\"colormatrix4\" />\n"
 324             "<feComposite in=\"colormatrix4\" in2=\"blend1\" operator=\"arithmetic\" k2=\"%s\" result=\"composite1\" />\n"
 325             "<feBlend in2=\"blend1\" blend=\"normal\" mode=\"%s\" result=\"blend2\" />\n"
 326         "</filter>\n", dist.str().c_str(), colors.str().c_str(), blend1.str().c_str(), sat.str().c_str(), blend2.str().c_str());
 327
 328         return _filter;
 329 }; /* Quadritone filter */
 330
 331
 332 /* Custom predefined Solarize filter
 333
 334 Filter's parameters:
 335     * Type (enum, default "Solarize") ->
 336         Solarize = blend1 (mode="darken"), blend2 (mode="screen")
 337         Moonarize = blend1 (mode="lighten"), blend2 (mode="multiply") [No other access to the blend modes]
 338     * Hue rotation (0-360, default 0) -> colormatrix1 (values)
 339 */
 340
 341 class Solarize : public Inkscape::Extension::Internal::Filter::Filter {
 342 protected:
 343         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
 344
 345 public:
 346         Solarize ( ) : Filter() { };
 347         virtual ~Solarize ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
 348
 349         static void init (void) {
 350                 Inkscape::Extension::build_from_mem(
 351                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 352                                 "<name>" N_("Solarize, custom -EXP-") "</name>\n"
 353                                 "<id>org.inkscape.effect.filter.Solarize</id>\n"
 354                         "<param name=\"rotate\" gui-text=\"" N_("Hue rotation:") "\" type=\"int\" min=\"0\" max=\"360\">0</param>\n"
 355                         "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
 356                             "<_item value=\"solarize\">Solarize</_item>\n"
 357                             "<_item value=\"moonarize\">Moonarize</_item>\n"
 358                         "</param>\n"
 359                                 "<effect>\n"
 360                                         "<object-type>all</object-type>\n"
 361                                         "<effects-menu>\n"
 362                                                 "<submenu name=\"" N_("Filters") "\">\n"
 363                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
 364                               "</submenu>\n"
 365                                         "</effects-menu>\n"
 366                                         "<menu-tip>" N_("Classic photographic solarization effect") "</menu-tip>\n"
 367                                 "</effect>\n"
 368                         "</inkscape-extension>\n", new Solarize());
 369         };
 370
 371 };
 372
 373 gchar const *
 374 Solarize::get_filter_text (Inkscape::Extension::Extension * ext)
 375 {
 376         if (_filter != NULL) g_free((void *)_filter);
 377
 378     std::ostringstream rotate;
 379     std::ostringstream blend1;
 380     std::ostringstream blend2;
 381
 382     rotate << ext->get_param_int("rotate");
 383     const gchar *type = ext->get_param_enum("type");
 384     if((g_ascii_strcasecmp("solarize", type) == 0)) {
 385     // Solarize
 386         blend1 << "darken";
 387         blend2 << "screen";
 388     } else {
 389     // Moonarize
 390         blend1 << "lighten";
 391         blend2 << "multiply";
 392     }
 393
 394         _filter = g_strdup_printf(
 395                 "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" height=\"1\" width=\"1\" y=\"0\" x=\"0\" inkscape:label=\"Solarize, custom -EXP-\">\n"
 396         "<feColorMatrix values=\"1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 1 \" />\n"
 397         "<feColorMatrix type=\"hueRotate\" values=\"%s\" result=\"colormatrix2\" />\n"
 398         "<feColorMatrix in=\"colormatrix2\" values=\"-1 0 0 0 1 0 -1 0 0 1 0 0 -1 0 1 0 0 0 1 0 \" result=\"colormatrix3\" />\n"
 399         "<feBlend in=\"colormatrix3\" in2=\"colormatrix2\" mode=\"%s\" result=\"blend1\" />\n"
 400         "<feBlend in2=\"blend1\" mode=\"%s\" result=\"blend2\" />\n"
 401         "<feComposite in2=\"SourceGraphic\" operator=\"in\" />\n"
 402         "</filter>\n", rotate.str().c_str(), blend1.str().c_str(), blend2.str().c_str());
 403
 404         return _filter;
 405 }; /* Solarize filter */
 406
 407
 408 /* Custom predefined Tritone filter
 409
 410 Filter's parameters:
 411     * Option (enum, default Normal) ->
 412         Normal = composite1 (in="qminp", in2="flood"), composite2 (in="p", in2="blend6"), blend6 (in2="qminpc")
 413         Enhance hue = Normal + composite2 (in="SourceGraphic")
 414         Radiation = Normal + blend6 (in2="SourceGraphic") composite2 (in="blend6", in2="qminpc")
 415         Hue to background = Normal + composite1 (in2="BackgroundImage") [a template with an activated background is needed, or colors become black]
 416     * Hue distribution (0-360, default 0) -> colormatrix1 (values)
 417     * Colors (guint, default -73203457) -> flood (flood-opacity, flood-color)
 418     * Global blend (enum, default Lighten) -> blend5 (mode) [Multiply, Screen, Darken, Lighten only!]
 419     * Glow (0.01-10., default 0.01) -> feGaussianBlur (stdDeviation)
 420     * Glow & blend (enum, default Normal) -> blend6 (mode) [Normal, Multiply and Darken only!]
 421     * Local light (0.-10., default 0) -> composite2 (k1)
 422     * Global light (0.-10., default 1) -> composite2 (k3) [k2 must be fixed to 1].
 423 */
 424
 425 class Tritone : public Inkscape::Extension::Internal::Filter::Filter {
 426 protected:
 427         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
 428
 429 public:
 430         Tritone ( ) : Filter() { };
 431         virtual ~Tritone ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
 432
 433         static void init (void) {
 434                 Inkscape::Extension::build_from_mem(
 435                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 436                                 "<name>" N_("Tritone, custom -EXP-") "</name>\n"
 437                                 "<id>org.inkscape.effect.filter.Tritone</id>\n"
 438                         "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
 439                             "<_item value=\"normal\">Normal</_item>\n"
 440                             "<_item value=\"enhue\">Enhance hue</_item>\n"
 441                             "<_item value=\"rad\">Radiation</_item>\n"
 442                             "<_item value=\"htb\">Hue to background</_item>\n"
 443                         "</param>\n"
 444                         "<param name=\"dist\" gui-text=\"" N_("Hue distribution:") "\" type=\"int\" min=\"0\" max=\"360\">0</param>\n"
 445                                         "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">-73203457</param>\n"
 446                         "<param name=\"globalblend\" gui-text=\"" N_("Global blend:") "\" type=\"enum\">\n"
 447                             "<_item value=\"lighten\">Lighten</_item>\n"
 448                             "<_item value=\"screen\">Screen</_item>\n"
 449                             "<_item value=\"multiply\">Multiply</_item>\n"
 450                             "<_item value=\"darken\">Darken</_item>\n"
 451                         "</param>\n"
 452                         "<param name=\"glow\" gui-text=\"" N_("Glow:") "\" type=\"float\" min=\"0.01\" max=\"10\">0.01</param>\n"
 453                          "<param name=\"glowblend\" gui-text=\"" N_("Glow blend:") "\" type=\"enum\">\n"
 454                             "<_item value=\"normal\">Normal</_item>\n"
 455                             "<_item value=\"multiply\">Multiply</_item>\n"
 456                             "<_item value=\"darken\">Darken</_item>\n"
 457                         "</param>\n"
 458                         "<param name=\"llight\" gui-text=\"" N_("Local light:") "\" type=\"float\" min=\"0\" max=\"10\">0</param>\n"
 459                         "<param name=\"glight\" gui-text=\"" N_("Global light:") "\" type=\"float\" min=\"0\" max=\"10\">1</param>\n"
 460                                 "<effect>\n"
 461                                         "<object-type>all</object-type>\n"
 462                                         "<effects-menu>\n"
 463                                                 "<submenu name=\"" N_("Filters") "\">\n"
 464                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
 465                               "</submenu>\n"
 466                                         "</effects-menu>\n"
 467                                         "<menu-tip>" N_("Create a custom tritone palette with additional glow, blend modes and hue moving") "</menu-tip>\n"
 468                                 "</effect>\n"
 469                         "</inkscape-extension>\n", new Tritone());
 470         };
 471
 472 };
 473
 474 gchar const *
 475 Tritone::get_filter_text (Inkscape::Extension::Extension * ext)
 476 {
 477         if (_filter != NULL) g_free((void *)_filter);
 478
 479     std::ostringstream dist;
 480     std::ostringstream a;
 481     std::ostringstream r;
 482     std::ostringstream g;
 483     std::ostringstream b;
 484     std::ostringstream globalblend;
 485     std::ostringstream glow;
 486     std::ostringstream glowblend;
 487     std::ostringstream llight;
 488     std::ostringstream glight;
 489     std::ostringstream c1in;
 490     std::ostringstream c1in2;
 491     std::ostringstream c2in;
 492     std::ostringstream c2in2;
 493     std::ostringstream b6in2;
 494
 495     guint32 color = ext->get_param_color("color");
 496     r << ((color >> 24) & 0xff);
 497     g << ((color >> 16) & 0xff);
 498     b << ((color >>  8) & 0xff);
 499     a << (color & 0xff) / 255.0F;
 500     globalblend << ext->get_param_enum("globalblend");
 501     dist << ext->get_param_int("dist");
 502     glow << ext->get_param_float("glow");
 503     glowblend << ext->get_param_enum("glowblend");
 504     llight << ext->get_param_float("llight");
 505     glight << ext->get_param_float("glight");
 506
 507     const gchar *type = ext->get_param_enum("type");
 508     if((g_ascii_strcasecmp("enhue", type) == 0)) {
 509     // Enhance hue
 510         c1in << "qminp";
 511         c1in2 << "flood";
 512         c2in << "SourceGraphic";
 513         c2in2 << "blend6";
 514         b6in2 << "qminpc";
 515     } else if((g_ascii_strcasecmp("rad", type) == 0)) {
 516     // Radiation
 517         c1in << "qminp";
 518         c1in2 << "flood";
 519         c2in << "blend6";
 520         c2in2 << "qminpc";
 521         b6in2 << "SourceGraphic";
 522     } else if((g_ascii_strcasecmp("htb", type) == 0)) {
 523     // Hue to background
 524         c1in << "qminp";
 525         c1in2 << "BackgroundImage";
 526         c2in << "p";
 527         c2in2 << "blend6";
 528         b6in2 << "qminpc";
 529     } else {
 530     // Normal
 531         c1in << "qminp";
 532         c1in2 << "flood";
 533         c2in << "p";
 534         c2in2 << "blend6";
 535         b6in2 << "qminpc";
 536     }
 537
 538         _filter = g_strdup_printf(
 539                 "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" height=\"1\" width=\"1\" y=\"0\" x=\"0\" inkscape:label=\"Tritone, custom -EXP-\">\n"
 540         "<feColorMatrix type=\"hueRotate\" result=\"colormatrix1\" values=\"%s\" />\n"
 541         "<feColorMatrix in=\"colormatrix1\" result=\"r\" type=\"matrix\" values=\"1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 \" />\n"
 542         "<feColorMatrix in=\"colormatrix1\" result=\"g\" type=\"matrix\" values=\"0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 \" />\n"
 543         "<feColorMatrix in=\"colormatrix1\" result=\"b\" type=\"matrix\" values=\"0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 1 \" />\n"
 544         "<feBlend in2=\"g\" mode=\"darken\" in=\"r\" result=\"minrg\" />\n"
 545         "<feBlend in2=\"b\" mode=\"darken\" in=\"minrg\" result=\"p\" />\n"
 546         "<feBlend in2=\"g\" mode=\"lighten\" in=\"r\" result=\"maxrg\" />\n"
 547         "<feBlend in2=\"b\" mode=\"lighten\" in=\"maxrg\" result=\"q\" />\n"
 548         "<feComponentTransfer in=\"q\" result=\"q2\">\n"
 549             "<feFuncR type=\"linear\" slope=\"0\" />\n"
 550         "</feComponentTransfer>\n"
 551         "<feBlend in2=\"q2\" mode=\"%s\" in=\"p\" result=\"pq\" />\n"
 552         "<feColorMatrix in=\"pq\" result=\"qminp\" type=\"matrix\" values=\"-1 1 0 0 0 -1 1 0 0 0 -1 1 0 0 0 0 0 0 0 1 \" />\n"
 553         "<feFlood in=\"qminp\" flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood\" />\n"
 554         "<feComposite in=\"%s\" in2=\"%s\" result=\"qminpc\" operator=\"arithmetic\" k1=\"1\" />\n"
 555         "<feGaussianBlur stdDeviation=\"%s\" />\n"
 556         "<feBlend in2=\"%s\" blend=\"normal\" result=\"blend6\" mode=\"%s\" />\n"
 557         "<feComposite in=\"%s\" in2=\"%s\" operator=\"arithmetic\" k1=\"%s\" k2=\"1\" k3=\"%s\" k4=\"0\" result=\"composite2\" />\n"
 558         "<feComposite in2=\"SourceGraphic\" in=\"composite2\" operator=\"in\" />\n"
 559         "</filter>\n", dist.str().c_str(), globalblend.str().c_str(), a.str().c_str(), r.str().c_str(), g.str().c_str(), b.str().c_str(), c1in.str().c_str(), c1in2.str().c_str(), glow.str().c_str(), b6in2.str().c_str(), glowblend.str().c_str(), c2in.str().c_str(), c2in2.str().c_str(), llight.str().c_str(), glight.str().c_str());
 560
 561         return _filter;
 562 }; /* Tritone filter */
 563
 564 }; /* namespace Filter */
 565 }; /* namespace Internal */
 566 }; /* namespace Extension */
 567 }; /* namespace Inkscape */
 568
 569 /* Change the 'COLOR' below to be your file name */
 570 #endif /* __INKSCAPE_EXTENSION_INTERNAL_FILTER_COLOR_H__ */