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 /**
  26     \brief    Custom predefined Colorize filter.
  27
  28     Blend image or object with a flood color.
  29
  30     Filter's parameters:
  31     * Harsh light (0.->10., default 0) -> composite1 (k1)
  32     * Normal light (0.->10., default 1) -> composite2 (k2)
  33     * Duotone (boolean, default false) -> colormatrix1 (values="0")
  34     * Filtered greys (boolean, default false) -> colormatrix2 (values="0")
  35     * Blend mode 1 (enum, default Multiply) -> blend1 (mode)
  36     * Blend mode 2 (enum, default Screen) -> blend2 (mode)
  37 */
  38
  39 class Colorize : public Inkscape::Extension::Internal::Filter::Filter {
  40 protected:
  41         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
  42
  43 public:
  44         Colorize ( ) : Filter() { };
  45         virtual ~Colorize ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
  46
  47         static void init (void) {
  48                 Inkscape::Extension::build_from_mem(
  49                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
  50                                 "<name>" N_("Colorize, custom -EXP-") "</name>\n"
  51                                 "<id>org.inkscape.effect.filter.Colorize</id>\n"
  52                         "<param name=\"hlight\" gui-text=\"" N_("Harsh light:") "\" type=\"float\" min=\"0\" max=\"10\">0</param>\n"
  53                         "<param name=\"nlight\" gui-text=\"" N_("Normal light:") "\" type=\"float\" min=\"0\" max=\"10\">1</param>\n"
  54                         "<param name=\"duotone\" gui-text=\"" N_("Duotone") "\" type=\"boolean\" >false</param>\n"
  55                         "<param name=\"fg\" gui-text=\"" N_("Filtered greys") "\" type=\"boolean\" >false</param>\n"
  56                         "<param name=\"blend1\" gui-text=\"" N_("Blend1:") "\" type=\"enum\">\n"
  57                             "<_item value=\"multiply\">Multiply</_item>\n"
  58                             "<_item value=\"normal\">Normal</_item>\n"
  59                             "<_item value=\"screen\">Screen</_item>\n"
  60                             "<_item value=\"lighten\">Lighten</_item>\n"
  61                             "<_item value=\"darken\">Darken</_item>\n"
  62                         "</param>\n"
  63                         "<param name=\"blend2\" gui-text=\"" N_("Blend2:") "\" type=\"enum\">\n"
  64                             "<_item value=\"screen\">Screen</_item>\n"
  65                             "<_item value=\"multiply\">Multiply</_item>\n"
  66                             "<_item value=\"normal\">Normal</_item>\n"
  67                             "<_item value=\"lighten\">Lighten</_item>\n"
  68                             "<_item value=\"darken\">Darken</_item>\n"
  69                         "</param>\n"
  70                                         "<param name=\"color\" gui-text=\"" N_("Color 1") "\" type=\"color\">-1639776001</param>\n"
  71                                 "<effect>\n"
  72                                         "<object-type>all</object-type>\n"
  73                                         "<effects-menu>\n"
  74                                                 "<submenu name=\"" N_("Filters") "\">\n"
  75                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
  76                               "</submenu>\n"
  77                                         "</effects-menu>\n"
  78                                         "<menu-tip>" N_("Blend image or object with a flood color") "</menu-tip>\n"
  79                                 "</effect>\n"
  80                         "</inkscape-extension>\n", new Colorize());
  81         };
  82
  83 };
  84
  85 gchar const *
  86 Colorize::get_filter_text (Inkscape::Extension::Extension * ext)
  87 {
  88         if (_filter != NULL) g_free((void *)_filter);
  89
  90     std::ostringstream a;
  91     std::ostringstream r;
  92     std::ostringstream g;
  93     std::ostringstream b;
  94     std::ostringstream hlight;
  95     std::ostringstream nlight;
  96     std::ostringstream duotone;
  97     std::ostringstream fg;
  98     std::ostringstream blend1;
  99     std::ostringstream blend2;
 100
 101     guint32 color = ext->get_param_color("color");
 102     r << ((color >> 24) & 0xff);
 103     g << ((color >> 16) & 0xff);
 104     b << ((color >>  8) & 0xff);
 105     a << (color & 0xff) / 255.0F;
 106
 107     hlight << ext->get_param_float("hlight");
 108     nlight << ext->get_param_float("nlight");
 109     blend1 << ext->get_param_enum("blend1");
 110     blend2 << ext->get_param_enum("blend2");
 111     if (ext->get_param_bool("duotone"))
 112         duotone << "0";
 113     else
 114         duotone << "1";
 115     if (ext->get_param_bool("fg"))
 116         fg << "0";
 117     else
 118         fg << "1";
 119
 120         _filter = g_strdup_printf(
 121                 "<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"
 122             "<feComposite in2=\"SourceGraphic\" operator=\"arithmetic\" k1=\"%s\" k2=\"%s\" result=\"composite1\" />\n"
 123             "<feColorMatrix in=\"composite1\" values=\"%s\" type=\"saturate\" result=\"colormatrix1\" />\n"
 124             "<feFlood flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood1\" />\n"
 125             "<feBlend in=\"flood1\" in2=\"colormatrix1\" mode=\"%s\" result=\"blend1\" />\n"
 126             "<feBlend in2=\"blend1\" mode=\"%s\" result=\"blend2\" />\n"
 127             "<feColorMatrix in=\"blend2\" values=\"%s\" type=\"saturate\" result=\"colormatrix2\" />\n"
 128             "<feComposite in=\"colormatrix2\" in2=\"SourceGraphic\" operator=\"in\" k2=\"1\" result=\"composite2\" />\n"
 129         "</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());
 130
 131         return _filter;
 132 }; /* Colorize filter */
 133
 134
 135 /**
 136     \brief    Custom predefined Duochrome filter.
 137
 138     Convert luminance values to a duochrome palette.
 139
 140     Filter's parameters:
 141     * Fluorescence level (0.->2., default 0) -> composite4 (k2)
 142     * Swap (enum, default "No swap") -> composite1, composite2 (operator)
 143     * Color 1 (guint, default 1364325887) -> flood1 (flood-opacity, flood-color)
 144     * Color 2 (guint, default -65281) -> flood2 (flood-opacity, flood-color)
 145 */
 146
 147 class Duochrome : public Inkscape::Extension::Internal::Filter::Filter {
 148 protected:
 149         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
 150
 151 public:
 152         Duochrome ( ) : Filter() { };
 153         virtual ~Duochrome ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
 154
 155         static void init (void) {
 156                 Inkscape::Extension::build_from_mem(
 157                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 158                                 "<name>" N_("Duochrome, custom -EXP-") "</name>\n"
 159                                 "<id>org.inkscape.effect.filter.Duochrome</id>\n"
 160                         "<param name=\"fluo\" gui-text=\"" N_("Fluorescence level:") "\" type=\"float\" min=\"0\" max=\"2\">0</param>\n"
 161                         "<param name=\"swap\" gui-text=\"" N_("Swap:") "\" type=\"enum\">\n"
 162                             "<_item value=\"none\">No swap</_item>\n"
 163                             "<_item value=\"full\">Color and alpha</_item>\n"
 164                             "<_item value=\"color\">Color only</_item>\n"
 165                             "<_item value=\"alpha\">Alpha only</_item>\n"
 166                         "</param>\n"
 167                         "<_param name=\"header1\" type=\"groupheader\">Color 1</_param>\n"
 168                                         "<param name=\"color1\" gui-text=\"" N_("Color 1") "\" type=\"color\">1364325887</param>\n"
 169                         "<_param name=\"header2\" type=\"groupheader\">Color 2</_param>\n"
 170                                         "<param name=\"color2\" gui-text=\"" N_("Color 2") "\" type=\"color\">-65281</param>\n"
 171                                 "<effect>\n"
 172                                         "<object-type>all</object-type>\n"
 173                                         "<effects-menu>\n"
 174                                                 "<submenu name=\"" N_("Filters") "\">\n"
 175                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
 176                               "</submenu>\n"
 177                                         "</effects-menu>\n"
 178                                         "<menu-tip>" N_("Convert luminance values to a duochrome palette") "</menu-tip>\n"
 179                                 "</effect>\n"
 180                         "</inkscape-extension>\n", new Duochrome());
 181         };
 182
 183 };
 184
 185 gchar const *
 186 Duochrome::get_filter_text (Inkscape::Extension::Extension * ext)
 187 {
 188         if (_filter != NULL) g_free((void *)_filter);
 189
 190     std::ostringstream a1;
 191     std::ostringstream r1;
 192     std::ostringstream g1;
 193     std::ostringstream b1;
 194     std::ostringstream a2;
 195     std::ostringstream r2;
 196     std::ostringstream g2;
 197     std::ostringstream b2;
 198     std::ostringstream fluo;
 199     std::ostringstream swap1;
 200     std::ostringstream swap2;
 201     guint32 color1 = ext->get_param_color("color1");
 202     guint32 color2 = ext->get_param_color("color2");
 203     float fluorescence = ext->get_param_float("fluo");
 204     const gchar *swaptype = ext->get_param_enum("swap");
 205
 206     r1 << ((color1 >> 24) & 0xff);
 207     g1 << ((color1 >> 16) & 0xff);
 208     b1 << ((color1 >>  8) & 0xff);
 209     r2 << ((color2 >> 24) & 0xff);
 210     g2 << ((color2 >> 16) & 0xff);
 211     b2 << ((color2 >>  8) & 0xff);
 212     fluo << fluorescence;
 213
 214     if((g_ascii_strcasecmp("full", swaptype) == 0)) {
 215         swap1 << "in";
 216         swap2 << "out";
 217         a1 << (color1 & 0xff) / 255.0F;
 218         a2 << (color2 & 0xff) / 255.0F;
 219     } else if((g_ascii_strcasecmp("color", swaptype) == 0)) {
 220         swap1 << "in";
 221         swap2 << "out";
 222         a1 << (color2 & 0xff) / 255.0F;
 223         a2 << (color1 & 0xff) / 255.0F;
 224     } else if((g_ascii_strcasecmp("alpha", swaptype) == 0)) {
 225         swap1 << "out";
 226         swap2 << "in";
 227         a1 << (color2 & 0xff) / 255.0F;
 228         a2 << (color1 & 0xff) / 255.0F;
 229     } else {
 230         swap1 << "out";
 231         swap2 << "in";
 232         a1 << (color1 & 0xff) / 255.0F;
 233         a2 << (color2 & 0xff) / 255.0F;
 234     }
 235
 236         _filter = g_strdup_printf(
 237                 "<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"
 238             "<feColorMatrix type=\"luminanceToAlpha\" result=\"colormatrix1\" />\n"
 239             "<feFlood flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood1\" />\n"
 240             "<feComposite in2=\"colormatrix1\" operator=\"%s\" result=\"composite1\" />\n"
 241             "<feFlood in=\"colormatrix1\" flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood2\" />\n"
 242             "<feComposite in2=\"colormatrix1\" result=\"composite2\" operator=\"%s\" />\n"
 243             "<feComposite in=\"composite2\" in2=\"composite1\" k2=\"1\"  k3=\"1\" operator=\"arithmetic\" result=\"composite3\" />\n"
 244             "<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"
 245             "<feComposite in=\"colormatrix2\" in2=\"composite3\" operator=\"arithmetic\" k2=\"%s\" result=\"composite4\" />\n"
 246             "<feBlend in=\"composite4\" in2=\"composite3\" blend=\"normal\" mode=\"normal\" result=\"blend\" />\n"
 247             "<feComposite in2=\"SourceGraphic\" operator=\"in\" />\n"
 248         "</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());
 249
 250         return _filter;
 251 }; /* Duochrome filter */
 252
 253
 254 /**
 255     \brief    Custom predefined Quadritone filter.
 256
 257     Replace hue by two colors.
 258
 259     Filter's parameters:
 260     * Hue distribution (0->360, default 280) -> colormatrix1 (values)
 261     * Colors (0->360, default 100) -> colormatrix3 (values)
 262     * Blend mode 1 (enum, default Normal) -> blend1 (mode)
 263     * Over-saturation (0.->1., default 0) -> composite1 (k2)
 264     * Blend mode 2 (enum, default Normal) -> blend2 (mode)
 265 */
 266
 267 class Quadritone : public Inkscape::Extension::Internal::Filter::Filter {
 268 protected:
 269         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
 270
 271 public:
 272         Quadritone ( ) : Filter() { };
 273         virtual ~Quadritone ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
 274
 275         static void init (void) {
 276                 Inkscape::Extension::build_from_mem(
 277                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 278                                 "<name>" N_("Quadritone fantasy, custom -EXP-") "</name>\n"
 279                                 "<id>org.inkscape.effect.filter.Quadritone</id>\n"
 280                         "<param name=\"dist\" gui-text=\"" N_("Hue distribution:") "\" type=\"int\" min=\"0\" max=\"360\">280</param>\n"
 281                         "<param name=\"colors\" gui-text=\"" N_("Colors:") "\" type=\"int\" min=\"0\" max=\"360\">100</param>\n"
 282                         "<param name=\"blend1\" gui-text=\"" N_("Blend1:") "\" type=\"enum\">\n"
 283                             "<_item value=\"normal\">Normal</_item>\n"
 284                             "<_item value=\"multiply\">Multiply</_item>\n"
 285                             "<_item value=\"screen\">Screen</_item>\n"
 286                         "</param>\n"
 287                         "<param name=\"sat\" gui-text=\"" N_("Over-saturation:") "\" type=\"float\" min=\"0\" max=\"1\">0</param>\n"
 288                         "<param name=\"blend2\" gui-text=\"" N_("Blend2:") "\" type=\"enum\">\n"
 289                             "<_item value=\"normal\">Normal</_item>\n"
 290                             "<_item value=\"screen\">Screen</_item>\n"
 291                             "<_item value=\"multiply\">Multiply</_item>\n"
 292                             "<_item value=\"lighten\">Lighten</_item>\n"
 293                             "<_item value=\"darken\">Darken</_item>\n"
 294                         "</param>\n"
 295                                 "<effect>\n"
 296                                         "<object-type>all</object-type>\n"
 297                                         "<effects-menu>\n"
 298                                                 "<submenu name=\"" N_("Filters") "\">\n"
 299                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
 300                               "</submenu>\n"
 301                                         "</effects-menu>\n"
 302                                         "<menu-tip>" N_("Replace hue by two colors") "</menu-tip>\n"
 303                                 "</effect>\n"
 304                         "</inkscape-extension>\n", new Quadritone());
 305         };
 306
 307 };
 308
 309 gchar const *
 310 Quadritone::get_filter_text (Inkscape::Extension::Extension * ext)
 311 {
 312         if (_filter != NULL) g_free((void *)_filter);
 313
 314     std::ostringstream dist;
 315     std::ostringstream colors;
 316     std::ostringstream blend1;
 317     std::ostringstream sat;
 318     std::ostringstream blend2;
 319
 320     dist << ext->get_param_int("dist");
 321     colors << ext->get_param_int("colors");
 322     blend1 << ext->get_param_enum("blend1");
 323     sat << ext->get_param_float("sat");
 324     blend2 << ext->get_param_enum("blend2");
 325
 326         _filter = g_strdup_printf(
 327                 "<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"
 328             "<feColorMatrix in=\"SourceGraphic\" type=\"hueRotate\" values=\"%s\" result=\"colormatrix1\" />\n"
 329             "<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"
 330             "<feColorMatrix type=\"hueRotate\" values=\"%s\" result=\"colormatrix3\" />\n"
 331             "<feBlend in2=\"colormatrix3\" blend=\"normal\" mode=\"%s\" result=\"blend1\" />\n"
 332             "<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"
 333             "<feComposite in=\"colormatrix4\" in2=\"blend1\" operator=\"arithmetic\" k2=\"%s\" result=\"composite1\" />\n"
 334             "<feBlend in2=\"blend1\" blend=\"normal\" mode=\"%s\" result=\"blend2\" />\n"
 335         "</filter>\n", dist.str().c_str(), colors.str().c_str(), blend1.str().c_str(), sat.str().c_str(), blend2.str().c_str());
 336
 337         return _filter;
 338 }; /* Quadritone filter */
 339
 340
 341 /**
 342     \brief    Custom predefined Solarize filter.
 343
 344     Classic photographic solarization effect.
 345
 346     Filter's parameters:
 347     * Type (enum, default "Solarize") ->
 348         Solarize = blend1 (mode="darken"), blend2 (mode="screen")
 349         Moonarize = blend1 (mode="lighten"), blend2 (mode="multiply") [No other access to the blend modes]
 350     * Hue rotation (0->360, default 0) -> colormatrix1 (values)
 351 */
 352
 353
 354 class Solarize : public Inkscape::Extension::Internal::Filter::Filter {
 355 protected:
 356         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
 357
 358 public:
 359         Solarize ( ) : Filter() { };
 360         virtual ~Solarize ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
 361
 362         static void init (void) {
 363                 Inkscape::Extension::build_from_mem(
 364                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 365                                 "<name>" N_("Solarize, custom -EXP-") "</name>\n"
 366                                 "<id>org.inkscape.effect.filter.Solarize</id>\n"
 367                         "<param name=\"rotate\" gui-text=\"" N_("Hue rotation:") "\" type=\"int\" min=\"0\" max=\"360\">0</param>\n"
 368                         "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
 369                             "<_item value=\"solarize\">Solarize</_item>\n"
 370                             "<_item value=\"moonarize\">Moonarize</_item>\n"
 371                         "</param>\n"
 372                                 "<effect>\n"
 373                                         "<object-type>all</object-type>\n"
 374                                         "<effects-menu>\n"
 375                                                 "<submenu name=\"" N_("Filters") "\">\n"
 376                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
 377                               "</submenu>\n"
 378                                         "</effects-menu>\n"
 379                                         "<menu-tip>" N_("Classic photographic solarization effect") "</menu-tip>\n"
 380                                 "</effect>\n"
 381                         "</inkscape-extension>\n", new Solarize());
 382         };
 383
 384 };
 385
 386 gchar const *
 387 Solarize::get_filter_text (Inkscape::Extension::Extension * ext)
 388 {
 389         if (_filter != NULL) g_free((void *)_filter);
 390
 391     std::ostringstream rotate;
 392     std::ostringstream blend1;
 393     std::ostringstream blend2;
 394
 395     rotate << ext->get_param_int("rotate");
 396     const gchar *type = ext->get_param_enum("type");
 397     if((g_ascii_strcasecmp("solarize", type) == 0)) {
 398     // Solarize
 399         blend1 << "darken";
 400         blend2 << "screen";
 401     } else {
 402     // Moonarize
 403         blend1 << "lighten";
 404         blend2 << "multiply";
 405     }
 406
 407         _filter = g_strdup_printf(
 408                 "<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"
 409         "<feColorMatrix values=\"1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 1 \" />\n"
 410         "<feColorMatrix type=\"hueRotate\" values=\"%s\" result=\"colormatrix2\" />\n"
 411         "<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"
 412         "<feBlend in=\"colormatrix3\" in2=\"colormatrix2\" mode=\"%s\" result=\"blend1\" />\n"
 413         "<feBlend in2=\"blend1\" mode=\"%s\" result=\"blend2\" />\n"
 414         "<feComposite in2=\"SourceGraphic\" operator=\"in\" />\n"
 415         "</filter>\n", rotate.str().c_str(), blend1.str().c_str(), blend2.str().c_str());
 416
 417         return _filter;
 418 }; /* Solarize filter */
 419
 420
 421 /**
 422     \brief    Custom predefined Tritone filter.
 423
 424     Create a custom tritone palette with additional glow, blend modes and hue moving.
 425
 426     Filter's parameters:
 427     * Option (enum, default Normal) ->
 428         Normal = composite1 (in="qminp", in2="flood"), composite2 (in="p", in2="blend6"), blend6 (in2="qminpc")
 429         Enhance hue = Normal + composite2 (in="SourceGraphic")
 430         Radiation = Normal + blend6 (in2="SourceGraphic") composite2 (in="blend6", in2="qminpc")
 431         Hue to background = Normal + composite1 (in2="BackgroundImage") [a template with an activated background is needed, or colors become black]
 432     * Hue distribution (0->360, default 0) -> colormatrix1 (values)
 433     * Colors (guint, default -73203457) -> flood (flood-opacity, flood-color)
 434     * Global blend (enum, default Lighten) -> blend5 (mode) [Multiply, Screen, Darken, Lighten only!]
 435     * Glow (0.01->10., default 0.01) -> feGaussianBlur (stdDeviation)
 436     * Glow & blend (enum, default Normal) -> blend6 (mode) [Normal, Multiply and Darken only!]
 437     * Local light (0.->10., default 0) -> composite2 (k1)
 438     * Global light (0.->10., default 1) -> composite2 (k3) [k2 must be fixed to 1].
 439 */
 440
 441 class Tritone : public Inkscape::Extension::Internal::Filter::Filter {
 442 protected:
 443         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
 444
 445 public:
 446         Tritone ( ) : Filter() { };
 447         virtual ~Tritone ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
 448
 449         static void init (void) {
 450                 Inkscape::Extension::build_from_mem(
 451                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 452                                 "<name>" N_("Tritone, custom -EXP-") "</name>\n"
 453                                 "<id>org.inkscape.effect.filter.Tritone</id>\n"
 454                         "<param name=\"type\" gui-text=\"" N_("Type:") "\" type=\"enum\">\n"
 455                             "<_item value=\"normal\">Normal</_item>\n"
 456                             "<_item value=\"enhue\">Enhance hue</_item>\n"
 457                             "<_item value=\"rad\">Radiation</_item>\n"
 458                             "<_item value=\"htb\">Hue to background</_item>\n"
 459                         "</param>\n"
 460                         "<param name=\"dist\" gui-text=\"" N_("Hue distribution:") "\" type=\"int\" min=\"0\" max=\"360\">0</param>\n"
 461                                         "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">-73203457</param>\n"
 462                         "<param name=\"globalblend\" gui-text=\"" N_("Global blend:") "\" type=\"enum\">\n"
 463                             "<_item value=\"lighten\">Lighten</_item>\n"
 464                             "<_item value=\"screen\">Screen</_item>\n"
 465                             "<_item value=\"multiply\">Multiply</_item>\n"
 466                             "<_item value=\"darken\">Darken</_item>\n"
 467                         "</param>\n"
 468                         "<param name=\"glow\" gui-text=\"" N_("Glow:") "\" type=\"float\" min=\"0.01\" max=\"10\">0.01</param>\n"
 469                          "<param name=\"glowblend\" gui-text=\"" N_("Glow blend:") "\" type=\"enum\">\n"
 470                             "<_item value=\"normal\">Normal</_item>\n"
 471                             "<_item value=\"multiply\">Multiply</_item>\n"
 472                             "<_item value=\"darken\">Darken</_item>\n"
 473                         "</param>\n"
 474                         "<param name=\"llight\" gui-text=\"" N_("Local light:") "\" type=\"float\" min=\"0\" max=\"10\">0</param>\n"
 475                         "<param name=\"glight\" gui-text=\"" N_("Global light:") "\" type=\"float\" min=\"0\" max=\"10\">1</param>\n"
 476                                 "<effect>\n"
 477                                         "<object-type>all</object-type>\n"
 478                                         "<effects-menu>\n"
 479                                                 "<submenu name=\"" N_("Filters") "\">\n"
 480                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
 481                               "</submenu>\n"
 482                                         "</effects-menu>\n"
 483                                         "<menu-tip>" N_("Create a custom tritone palette with additional glow, blend modes and hue moving") "</menu-tip>\n"
 484                                 "</effect>\n"
 485                         "</inkscape-extension>\n", new Tritone());
 486         };
 487
 488 };
 489
 490 gchar const *
 491 Tritone::get_filter_text (Inkscape::Extension::Extension * ext)
 492 {
 493         if (_filter != NULL) g_free((void *)_filter);
 494
 495     std::ostringstream dist;
 496     std::ostringstream a;
 497     std::ostringstream r;
 498     std::ostringstream g;
 499     std::ostringstream b;
 500     std::ostringstream globalblend;
 501     std::ostringstream glow;
 502     std::ostringstream glowblend;
 503     std::ostringstream llight;
 504     std::ostringstream glight;
 505     std::ostringstream c1in;
 506     std::ostringstream c1in2;
 507     std::ostringstream c2in;
 508     std::ostringstream c2in2;
 509     std::ostringstream b6in2;
 510
 511     guint32 color = ext->get_param_color("color");
 512     r << ((color >> 24) & 0xff);
 513     g << ((color >> 16) & 0xff);
 514     b << ((color >>  8) & 0xff);
 515     a << (color & 0xff) / 255.0F;
 516     globalblend << ext->get_param_enum("globalblend");
 517     dist << ext->get_param_int("dist");
 518     glow << ext->get_param_float("glow");
 519     glowblend << ext->get_param_enum("glowblend");
 520     llight << ext->get_param_float("llight");
 521     glight << ext->get_param_float("glight");
 522
 523     const gchar *type = ext->get_param_enum("type");
 524     if((g_ascii_strcasecmp("enhue", type) == 0)) {
 525     // Enhance hue
 526         c1in << "qminp";
 527         c1in2 << "flood";
 528         c2in << "SourceGraphic";
 529         c2in2 << "blend6";
 530         b6in2 << "qminpc";
 531     } else if((g_ascii_strcasecmp("rad", type) == 0)) {
 532     // Radiation
 533         c1in << "qminp";
 534         c1in2 << "flood";
 535         c2in << "blend6";
 536         c2in2 << "qminpc";
 537         b6in2 << "SourceGraphic";
 538     } else if((g_ascii_strcasecmp("htb", type) == 0)) {
 539     // Hue to background
 540         c1in << "qminp";
 541         c1in2 << "BackgroundImage";
 542         c2in << "p";
 543         c2in2 << "blend6";
 544         b6in2 << "qminpc";
 545     } else {
 546     // Normal
 547         c1in << "qminp";
 548         c1in2 << "flood";
 549         c2in << "p";
 550         c2in2 << "blend6";
 551         b6in2 << "qminpc";
 552     }
 553
 554         _filter = g_strdup_printf(
 555                 "<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"
 556         "<feColorMatrix type=\"hueRotate\" result=\"colormatrix1\" values=\"%s\" />\n"
 557         "<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"
 558         "<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"
 559         "<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"
 560         "<feBlend in2=\"g\" mode=\"darken\" in=\"r\" result=\"minrg\" />\n"
 561         "<feBlend in2=\"b\" mode=\"darken\" in=\"minrg\" result=\"p\" />\n"
 562         "<feBlend in2=\"g\" mode=\"lighten\" in=\"r\" result=\"maxrg\" />\n"
 563         "<feBlend in2=\"b\" mode=\"lighten\" in=\"maxrg\" result=\"q\" />\n"
 564         "<feComponentTransfer in=\"q\" result=\"q2\">\n"
 565             "<feFuncR type=\"linear\" slope=\"0\" />\n"
 566         "</feComponentTransfer>\n"
 567         "<feBlend in2=\"q2\" mode=\"%s\" in=\"p\" result=\"pq\" />\n"
 568         "<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"
 569         "<feFlood in=\"qminp\" flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood\" />\n"
 570         "<feComposite in=\"%s\" in2=\"%s\" result=\"qminpc\" operator=\"arithmetic\" k1=\"1\" />\n"
 571         "<feGaussianBlur stdDeviation=\"%s\" />\n"
 572         "<feBlend in2=\"%s\" blend=\"normal\" result=\"blend6\" mode=\"%s\" />\n"
 573         "<feComposite in=\"%s\" in2=\"%s\" operator=\"arithmetic\" k1=\"%s\" k2=\"1\" k3=\"%s\" k4=\"0\" result=\"composite2\" />\n"
 574         "<feComposite in2=\"SourceGraphic\" in=\"composite2\" operator=\"in\" />\n"
 575         "</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());
 576
 577         return _filter;
 578 }; /* Tritone filter */
 579
 580 }; /* namespace Filter */
 581 }; /* namespace Internal */
 582 }; /* namespace Extension */
 583 }; /* namespace Inkscape */
 584
 585 /* Change the 'COLOR' below to be your file name */
 586 #endif /* __INKSCAPE_EXTENSION_INTERNAL_FILTER_COLOR_H__ */