src/extension/internal/filter/experimental.h

   1 #ifndef __INKSCAPE_EXTENSION_INTERNAL_FILTER_EXPERIMENTAL_H__
   2 #define __INKSCAPE_EXTENSION_INTERNAL_FILTER_EXPERIMENTAL_H__
   3 /* Change the 'EXPERIMENTAL' 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 Posterize : public Inkscape::Extension::Internal::Filter::Filter {
  26 protected:
  27         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
  28
  29 public:
  30         Posterize ( ) : Filter() { };
  31         virtual ~Posterize ( ) { 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_("Poster and painting, custom -EXP-") "</name>\n"
  37                                 "<id>org.inkscape.effect.filter.Posterize</id>\n"
  38                 "<param name=\"type\" gui-text=\"" N_("Effect type:") "\" type=\"enum\">\n"
  39                     "<_item value=\"normal\">Normal</_item>\n"
  40                     "<_item value=\"dented\">Dented</_item>\n"
  41                 "</param>\n"
  42                 "<param name=\"table\" gui-text=\"" N_("Transfer type:") "\" type=\"enum\">\n"
  43                     "<_item value=\"discrete\">Poster</_item>\n"
  44                     "<_item value=\"table\">Painting</_item>\n"
  45                 "</param>\n"
  46                 "<param name=\"levels\" gui-text=\"" N_("Levels:") "\" type=\"int\" min=\"1\" max=\"15\">5</param>\n"
  47                 "<param name=\"blend\" gui-text=\"" N_("Blend mode:") "\" type=\"enum\">\n"
  48                     "<_item value=\"lighten\">Lighten</_item>\n"
  49                     "<_item value=\"normal\">Normal</_item>\n"
  50                     "<_item value=\"darken\">Darken</_item>\n"
  51                 "</param>\n"
  52                 "<param name=\"blur1\" gui-text=\"" N_("Primary blur:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">4.0</param>\n"
  53                 "<param name=\"blur2\" gui-text=\"" N_("Secondary blur:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">0.5</param>\n"
  54                 "<param name=\"presaturation\" gui-text=\"" N_("Pre-saturation:") "\" type=\"float\" min=\"0.00\" max=\"1.00\">1.00</param>\n"
  55                 "<param name=\"postsaturation\" gui-text=\"" N_("Post-saturation:") "\" type=\"float\" min=\"0.00\" max=\"1.00\">1.00</param>\n"
  56                 "<param name=\"antialiasing\" gui-text=\"" N_("Simulate antialiasing") "\" type=\"boolean\">false</param>\n"
  57                                 "<effect>\n"
  58                                         "<object-type>all</object-type>\n"
  59                                         "<effects-menu>\n"
  60                                                 "<submenu name=\"" N_("Filters") "\">\n"
  61                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
  62                               "</submenu>\n"
  63                                         "</effects-menu>\n"
  64                                         "<menu-tip>" N_("Poster and painting effects") "</menu-tip>\n"
  65                                 "</effect>\n"
  66                         "</inkscape-extension>\n", new Posterize());
  67         };
  68
  69 };
  70
  71 gchar const *
  72 Posterize::get_filter_text (Inkscape::Extension::Extension * ext)
  73 {
  74         if (_filter != NULL) g_free((void *)_filter);
  75
  76     std::ostringstream table;
  77     std::ostringstream blendmode;
  78     std::ostringstream blur1;
  79     std::ostringstream blur2;
  80     std::ostringstream presat;
  81     std::ostringstream postsat;
  82     std::ostringstream transf;
  83     std::ostringstream antialias;
  84
  85     table << ext->get_param_enum("table");
  86     blendmode << ext->get_param_enum("blend");
  87     blur1 << ext->get_param_float("blur1") + 0.01;
  88     blur2 << ext->get_param_float("blur2") + 0.01;
  89     presat << ext->get_param_float("presaturation");
  90     postsat << ext->get_param_float("postsaturation");
  91
  92
  93     // TransfertComponenet table values are calculated based on the poster type.
  94     transf << "0";
  95     int levels = ext->get_param_int("levels") + 1;
  96     const gchar *effecttype =  ext->get_param_enum("type");
  97     float val = 0.0;
  98     for ( int step = 1 ; step <= levels ; step++ ) {
  99         val = (float) step / levels;
 100         transf << " " << val;
 101         if((g_ascii_strcasecmp("dented", effecttype) == 0)) {
 102             transf << " " << (val - ((float) 1 / (3 * levels))) << " " << (val + ((float) 1 / (2 * levels)));
 103         }
 104     }
 105     transf << " 1";
 106
 107     if (ext->get_param_bool("antialiasing"))
 108         antialias << "0.5";
 109     else
 110         antialias << "0.01";
 111
 112
 113         _filter = g_strdup_printf(
 114                 "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" height=\"1\" width=\"1\" y=\"0\" x=\"0\" inkscape:label=\"Poster and painting, custom -EXP-\">\n"
 115             "<feComposite result=\"Composite1\" operator=\"arithmetic\" k2=\"1\" />\n"
 116             "<feGaussianBlur stdDeviation=\"%s\" result=\"Gaussian1\" />\n"
 117             "<feGaussianBlur stdDeviation=\"%s\" in=\"Composite1\" />\n"
 118             "<feBlend in2=\"Gaussian1\" mode=\"%s\" />\n"
 119             "<feColorMatrix type=\"saturate\" values=\"%s\" />\n"
 120             "<feComponentTransfer>\n"
 121                 "<feFuncR type=\"%s\" tableValues=\"%s\" />\n"
 122                 "<feFuncG type=\"%s\" tableValues=\"%s\" />\n"
 123                 "<feFuncB type=\"%s\" tableValues=\"%s\" />\n"
 124             "</feComponentTransfer>\n"
 125             "<feColorMatrix type=\"saturate\" values=\"%s\" />\n"
 126             "<feGaussianBlur stdDeviation=\"%s\" />\n"
 127             "<feComposite in2=\"SourceGraphic\" operator=\"in\" />\n"
 128         "</filter>\n", blur1.str().c_str(), blur2.str().c_str(), blendmode.str().c_str(), presat.str().c_str(), table.str().c_str(), transf.str().c_str(), table.str().c_str(), transf.str().c_str(), table.str().c_str(), transf.str().c_str(), postsat.str().c_str(), antialias.str().c_str());
 129
 130         return _filter;
 131 };
 132
 133 class TestFilter : public Inkscape::Extension::Internal::Filter::Filter {
 134 protected:
 135         virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
 136
 137 public:
 138         TestFilter ( ) : Filter() { };
 139         virtual ~TestFilter ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
 140
 141         static void init (void) {
 142                 Inkscape::Extension::build_from_mem(
 143                         "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
 144                                 "<name>" N_("Test Filter -EXP-") "</name>\n"
 145                                 "<id>org.inkscape.effect.filter.TestFilter</id>\n"
 146                 "<_param name=\"header1\" type=\"groupheader\">Test filter</_param>\n"
 147                                 "<effect>\n"
 148                                         "<object-type>all</object-type>\n"
 149                                         "<effects-menu>\n"
 150                                                 "<submenu name=\"" N_("Filters") "\">\n"
 151                                                 "<submenu name=\"" N_("Experimental") "\"/>\n"
 152                               "</submenu>\n"
 153                                         "</effects-menu>\n"
 154                                         "<menu-tip>" N_("Change colors to a two colors palette") "</menu-tip>\n"
 155                                 "</effect>\n"
 156                         "</inkscape-extension>\n", new TestFilter());
 157         };
 158
 159 };
 160
 161 gchar const *
 162 TestFilter::get_filter_text (Inkscape::Extension::Extension * ext)
 163 {
 164         if (_filter != NULL) g_free((void *)_filter);
 165
 166         _filter = g_strdup_printf(
 167                 "<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" height=\"1\" width=\"1\" y=\"0\" x=\"0\" inkscape:label=\"Test Filter -EXP-\">\n"
 168             "<feComposite result=\"Composite1\" operator=\"arithmetic\" k2=\"1\" />\n"
 169             "<feGaussianBlur stdDeviation=\"4\" result=\"Gaussian1\" />\n"
 170             "<feGaussianBlur stdDeviation=\"0.5\" in=\"Composite1\" />\n"
 171             "<feBlend in2=\"Gaussian1\" mode=\"normal\" />\n"
 172             "<feColorMatrix type=\"saturate\" values=\"1\" />\n"
 173             "<feComponentTransfer>\n"
 174                 "<feFuncR type=\"discrete\" tableValues=\"0 0.25 0.5 0.75 1 1\" />\n"
 175                 "<feFuncG type=\"discrete\" tableValues=\"0 0.25 0.5 0.75 1 1\" />\n"
 176                 "<feFuncB type=\"discrete\" tableValues=\"0 0.25 0.5 0.75 1 1\" />\n"
 177             "</feComponentTransfer>\n"
 178             "<feColorMatrix type=\"saturate\" values=\"1\" />\n"
 179             "<feGaussianBlur stdDeviation=\"0.05\" />\n"
 180             "<feComposite in2=\"SourceGraphic\" operator=\"atop\" />\n"
 181         "</filter>\n");
 182
 183         return _filter;
 184 };
 185 }; /* namespace Filter */
 186 }; /* namespace Internal */
 187 }; /* namespace Extension */
 188 }; /* namespace Inkscape */
 189
 190 /* Change the 'COLOR' below to be your file name */
 191 #endif /* __INKSCAPE_EXTENSION_INTERNAL_FILTER_EXPERIMENTAL_H__ */