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 class Duochrome : public Inkscape::Extension::Internal::Filter::Filter {
  26 protected:
  27         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
  28
  29 public:
  30         Duochrome ( ) : Filter() { };
  31         virtual ~Duochrome ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
  32
  33         static void init (void) {
  34                 Inkscape::Extension::build_from_mem(
  35                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
  36                                 "<name>" N_("Duochrome, custom -EXP-") "</name>\n"
  37                                 "<id>org.inkscape.effect.filter.Duochrome</id>\n"
  38 // Using color widgets in tabs makes Inkscape crash...
  39 //                  "<param name=\"tab\" type=\"notebook\">\n"
  40 //                    "<page name=\"Color1\" _gui-text=\"Color 1\">\n"
  41                         "<param name=\"fluo\" gui-text=\"" N_("Fluorescence") "\" type=\"boolean\">false</param>\n"
  42                         "<_param name=\"header1\" type=\"groupheader\">Color 1</_param>\n"
  43                                         "<param name=\"color1\" gui-text=\"" N_("Color 1") "\" type=\"color\">1364325887</param>\n"
  44 //                    "</page>\n"
  45 //                    "<page name=\"Color2\" _gui-text=\"Color 2\">\n"
  46                         "<_param name=\"header2\" type=\"groupheader\">Color 2</_param>\n"
  47                                         "<param name=\"color2\" gui-text=\"" N_("Color 2") "\" type=\"color\">-65281</param>\n"
  48 //                    "</page>\n"
  49 //                "</param>\n"
  50                                 "<effect>\n"
  51                                         "<object-type>all</object-type>\n"
  52                                         "<effects-menu>\n"
  53                                                 "<submenu name=\"" N_("Filters") "\">\n"
  54                                                 "<submenu name=\"" N_("Color") "\"/>\n"
  55                               "</submenu>\n"
  56                                         "</effects-menu>\n"
  57                                         "<menu-tip>" N_("Change colors to a two colors palette") "</menu-tip>\n"
  58                                 "</effect>\n"
  59                         "</inkscape-extension>\n", new Duochrome());
  60         };
  61
  62 };
  63
  64 gchar const *
  65 Duochrome::get_filter_text (Inkscape::Extension::Extension * ext)
  66 {
  67         if (_filter != NULL) g_free((void *)_filter);
  68
  69     std::ostringstream a1;
  70     std::ostringstream r1;
  71     std::ostringstream g1;
  72     std::ostringstream b1;
  73     std::ostringstream a2;
  74     std::ostringstream r2;
  75     std::ostringstream g2;
  76     std::ostringstream b2;
  77     std::ostringstream fluo;
  78
  79     guint32 color1 = ext->get_param_color("color1");
  80     guint32 color2 = ext->get_param_color("color2");
  81     bool fluorescence = ext->get_param_bool("fluo");
  82     a1 << (color1 & 0xff) / 255.0F;
  83     r1 << ((color1 >> 24) & 0xff);
  84     g1 << ((color1 >> 16) & 0xff);
  85     b1 << ((color1 >>  8) & 0xff);
  86     a2 << (color2 & 0xff) / 255.0F;
  87     r2 << ((color2 >> 24) & 0xff);
  88     g2 << ((color2 >> 16) & 0xff);
  89     b2 << ((color2 >>  8) & 0xff);
  90     if (fluorescence) fluo << "";
  91     else  fluo << " in=\"result6\"";
  92
  93         _filter = g_strdup_printf(
  94                 "<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"
  95             "<feColorMatrix type=\"luminanceToAlpha\" result=\"fbSourceGraphic\" />\n"
  96             "<feFlood in=\"fbSourceGraphic\" flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"result1\" />\n"
  97             "<feComposite in=\"result1\" in2=\"fbSourceGraphic\" operator=\"out\" result=\"result2\" />\n"
  98             "<feComposite in2=\"SourceGraphic\" k2=\"1\" result=\"fbSourceGraphic\" operator=\"arithmetic\" />\n"
  99             "<feFlood in=\"fbSourceGraphic\" flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"result2\" />\n"
 100             "<feMerge result=\"result5\">\n"
 101                 "<feMergeNode in=\"result2\" />\n"
 102                 "<feMergeNode in=\"fbSourceGraphic\" />\n"
 103             "</feMerge>\n"
 104             "<feBlend in2=\"fbSourceGraphic\" mode=\"normal\" blend=\"normal\" result=\"result6\" />\n"
 105             "<feColorMatrix type=\"matrix\" values=\"2 -1 0 0 0 0 2 -1 0 0 -1 0 2 0 0 0 0 0 1 0 \" result=\"result10\" />\n"
 106             "<feComposite %s in2=\"SourceGraphic\" operator=\"in\" result=\"fbSourceGraphic\" />\n"
 107         "</filter>\n", a1.str().c_str(), r1.str().c_str(), g1.str().c_str(), b1.str().c_str(), a2.str().c_str(), r2.str().c_str(), g2.str().c_str(), b2.str().c_str(), fluo.str().c_str());
 108
 109         return _filter;
 110 };
 111 }; /* namespace Filter */
 112 }; /* namespace Internal */
 113 }; /* namespace Extension */
 114 }; /* namespace Inkscape */
 115
 116 /* Change the 'COLOR' below to be your file name */
 117 #endif /* __INKSCAPE_EXTENSION_INTERNAL_FILTER_COLOR_H__ */