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 */
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 ^^^ */
14 #include "filter.h"
16 #include "extension/internal/clear-n_.h"
17 #include "extension/system.h"
18 #include "extension/extension.h"
20 namespace Inkscape {
21 namespace Extension {
22 namespace Internal {
23 namespace Filter {
25 class Duochrome : public Inkscape::Extension::Internal::Filter::Filter {
26 protected:
27 virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
29 public:
30 Duochrome ( ) : Filter() { };
31 virtual ~Duochrome ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
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 "<param name=\"fluo\" gui-text=\"" N_("Fluorescence level:") "\" type=\"float\" min=\"0\" max=\"2\">0</param>\n"
39 "<param name=\"swap\" gui-text=\"" N_("Swap:") "\" type=\"enum\">\n"
40 "<_item value=\"none\">No swap</_item>\n"
41 "<_item value=\"full\">Color and alpha</_item>\n"
42 "<_item value=\"color\">Color only</_item>\n"
43 "<_item value=\"alpha\">Alpha only</_item>\n"
44 "</param>\n"
45 "<_param name=\"header1\" type=\"groupheader\">Color 1</_param>\n"
46 "<param name=\"color1\" gui-text=\"" N_("Color 1") "\" type=\"color\">1364325887</param>\n"
47 "<_param name=\"header2\" type=\"groupheader\">Color 2</_param>\n"
48 "<param name=\"color2\" gui-text=\"" N_("Color 2") "\" type=\"color\">-65281</param>\n"
49 "<effect>\n"
50 "<object-type>all</object-type>\n"
51 "<effects-menu>\n"
52 "<submenu name=\"" N_("Filters") "\">\n"
53 "<submenu name=\"" N_("Experimental") "\"/>\n"
54 "</submenu>\n"
55 "</effects-menu>\n"
56 "<menu-tip>" N_("Convert luminance values to a duochrome palette") "</menu-tip>\n"
57 "</effect>\n"
58 "</inkscape-extension>\n", new Duochrome());
59 };
61 };
63 gchar const *
64 Duochrome::get_filter_text (Inkscape::Extension::Extension * ext)
65 {
66 if (_filter != NULL) g_free((void *)_filter);
68 std::ostringstream a1;
69 std::ostringstream r1;
70 std::ostringstream g1;
71 std::ostringstream b1;
72 std::ostringstream a2;
73 std::ostringstream r2;
74 std::ostringstream g2;
75 std::ostringstream b2;
76 std::ostringstream fluo;
77 std::ostringstream swap1;
78 std::ostringstream swap2;
79 guint32 color1 = ext->get_param_color("color1");
80 guint32 color2 = ext->get_param_color("color2");
81 float fluorescence = ext->get_param_float("fluo");
82 const gchar *swaptype = ext->get_param_enum("swap");
84 r1 << ((color1 >> 24) & 0xff);
85 g1 << ((color1 >> 16) & 0xff);
86 b1 << ((color1 >> 8) & 0xff);
87 r2 << ((color2 >> 24) & 0xff);
88 g2 << ((color2 >> 16) & 0xff);
89 b2 << ((color2 >> 8) & 0xff);
90 fluo << fluorescence;
92 if((g_ascii_strcasecmp("full", swaptype) == 0)) {
93 swap1 << "in";
94 swap2 << "out";
95 a1 << (color1 & 0xff) / 255.0F;
96 a2 << (color2 & 0xff) / 255.0F;
97 } else if((g_ascii_strcasecmp("color", swaptype) == 0)) {
98 swap1 << "in";
99 swap2 << "out";
100 a1 << (color2 & 0xff) / 255.0F;
101 a2 << (color1 & 0xff) / 255.0F;
102 } else if((g_ascii_strcasecmp("alpha", swaptype) == 0)) {
103 swap1 << "out";
104 swap2 << "in";
105 a1 << (color2 & 0xff) / 255.0F;
106 a2 << (color1 & 0xff) / 255.0F;
107 } else {
108 swap1 << "out";
109 swap2 << "in";
110 a1 << (color1 & 0xff) / 255.0F;
111 a2 << (color2 & 0xff) / 255.0F;
112 }
114 _filter = g_strdup_printf(
115 "<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"
116 "<feColorMatrix type=\"luminanceToAlpha\" result=\"colormatrix1\" />\n"
117 "<feFlood flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood1\" />\n"
118 "<feComposite in2=\"colormatrix1\" operator=\"%s\" result=\"composite1\" />\n"
119 "<feFlood in=\"colormatrix1\" flood-opacity=\"%s\" flood-color=\"rgb(%s,%s,%s)\" result=\"flood2\" />\n"
120 "<feComposite in2=\"colormatrix1\" result=\"composite2\" operator=\"%s\" />\n"
121 "<feComposite in=\"composite2\" in2=\"composite1\" k2=\"1\" k3=\"1\" operator=\"arithmetic\" result=\"composite3\" />\n"
122 "<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"
123 "<feComposite in=\"colormatrix2\" in2=\"composite3\" operator=\"arithmetic\" k2=\"%s\" result=\"composite4\" />\n"
124 "<feBlend in=\"composite4\" in2=\"composite3\" blend=\"normal\" mode=\"normal\" result=\"blend\" />\n"
125 "<feComposite in2=\"SourceGraphic\" operator=\"in\" />\n"
126 "</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());
128 return _filter;
129 };
130 }; /* namespace Filter */
131 }; /* namespace Internal */
132 }; /* namespace Extension */
133 }; /* namespace Inkscape */
135 /* Change the 'COLOR' below to be your file name */
136 #endif /* __INKSCAPE_EXTENSION_INTERNAL_FILTER_COLOR_H__ */