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-rwxr-xr-xsrc/extension/internal/filter/color.h117
-rwxr-xr-xsrc/extension/internal/filter/filter-all.cpp1
2 files changed, 116 insertions, 2 deletions
diff --git a/src/extension/internal/filter/color.h b/src/extension/internal/filter/color.h
index 53734bee5..4f9954b2c 100755
--- a/src/extension/internal/filter/color.h
+++ b/src/extension/internal/filter/color.h
@@ -9,6 +9,7 @@
*
* Color filters
* Brightness
+ * Channel painting
* Colorize
* Duochrome
* Electrize
@@ -98,8 +99,6 @@ Brightness::get_filter_text (Inkscape::Extension::Extension * ext)
sat << -ext->get_param_float("sat");
lightness << ext->get_param_float("lightness");
}
-
-
_filter = g_strdup_printf(
"<filter xmlns:inkscape=\"http://www.inkscape.org/namespaces/inkscape\" color-interpolation-filters=\"sRGB\" height=\"1\" width=\"1\" y=\"0\" x=\"0\" inkscape:label=\"Brightness, custom\">\n"
@@ -112,6 +111,120 @@ Brightness::get_filter_text (Inkscape::Extension::Extension * ext)
return _filter;
}; /* Brightness filter */
+
+/**
+ \brief Custom predefined Channel Painting filter.
+
+ Channel Painting filter.
+
+ Filter's parameters:
+ * Saturation (0.->1., default 1.) -> colormatrix1 (values)
+ * Red (-10.->10., default -1.) -> colormatrix2 (values)
+ * Green (-10.->10., default 0.5) -> colormatrix2 (values)
+ * Blue (-10.->10., default 0.5) -> colormatrix2 (values)
+ * Alpha (-10.->10., default 1.) -> colormatrix2 (values)
+ * Flood colors (guint, default 16777215) -> flood (flood-opacity, flood-color)
+ * Inverted (boolean, default false) -> composite1 (operator, true='in', false='out')
+
+ Matrix:
+ 1 0 0 0 0
+ 0 1 0 0 0
+ 0 0 1 0 0
+ R G B A 0
+*/
+class ChannelPaint : public Inkscape::Extension::Internal::Filter::Filter {
+protected:
+ virtual gchar const * get_filter_text (Inkscape::Extension::Extension * ext);
+
+public:
+ ChannelPaint ( ) : Filter() { };
+ virtual ~ChannelPaint ( ) { if (_filter != NULL) g_free((void *)_filter); return; }
+
+ static void init (void) {
+ Inkscape::Extension::build_from_mem(
+ "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
+ "<name>" N_("Channel painting, custom (Color)") "</name>\n"
+ "<id>org.inkscape.effect.filter.ChannelPaint</id>\n"
+ "<param name=\"tab\" type=\"notebook\">\n"
+ "<page name=\"optionstab\" _gui-text=\"Options\">\n"
+ "<param name=\"saturation\" gui-text=\"" N_("Saturation:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">1</param>\n"
+ "<param name=\"red\" gui-text=\"" N_("Red:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">-1</param>\n"
+ "<param name=\"green\" gui-text=\"" N_("Green:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0.5</param>\n"
+ "<param name=\"blue\" gui-text=\"" N_("Blue:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"-10.00\" max=\"10.00\">0.5</param>\n"
+ "<param name=\"alpha\" gui-text=\"" N_("Alpha:") "\" type=\"float\" appearance=\"full\" precision=\"2\" min=\"0.\" max=\"1.\">1</param>\n"
+ "<param name=\"invert\" gui-text=\"" N_("Inverted") "\" type=\"boolean\">false</param>\n"
+ "</page>\n"
+ "<page name=\"colortab\" _gui-text=\"Color\">\n"
+ "<param name=\"color\" gui-text=\"" N_("Color") "\" type=\"color\">16777215</param>\n"
+ "</page>\n"
+ "</param>\n"
+ "<effect>\n"
+ "<object-type>all</object-type>\n"
+ "<effects-menu>\n"
+ "<submenu name=\"" N_("Filters") "\">\n"
+ "<submenu name=\"" N_("Experimental") "\"/>\n"
+ "</submenu>\n"
+ "</effects-menu>\n"
+ "<menu-tip>" N_("Replace RGB by any color") "</menu-tip>\n"
+ "</effect>\n"
+ "</inkscape-extension>\n", new ChannelPaint());
+ };
+};
+
+gchar const *
+ChannelPaint::get_filter_text (Inkscape::Extension::Extension * ext)
+{
+ if (_filter != NULL) g_free((void *)_filter);
+
+ std::ostringstream saturation;
+ std::ostringstream red;
+ std::ostringstream green;
+ std::ostringstream blue;
+ std::ostringstream alpha;
+ std::ostringstream invert;
+ std::ostringstream floodRed;
+ std::ostringstream floodGreen;
+ std::ostringstream floodBlue;
+ std::ostringstream floodAlpha;
+
+ saturation << ext->get_param_float("saturation");
+ red << ext->get_param_float("red");
+ green << ext->get_param_float("green");
+ blue << ext->get_param_float("blue");
+ alpha << ext->get_param_float("alpha");
+
+ guint32 color = ext->get_param_color("color");
+ floodRed << ((color >> 24) & 0xff);
+ floodGreen << ((color >> 16) & 0xff);
+ floodBlue << ((color >> 8) & 0xff);
+ floodAlpha << (color & 0xff) / 255.0F;
+
+ if (ext->get_param_bool("invert")) {
+ invert << "in";
+ } else {
+ invert << "out";
+ }
+
+ _filter = g_strdup_printf(
+ "<filter inkscape:label=\"Color channel painting\" color-interpolation-filters=\"sRGB\" x=\"0\" y=\"0\" width=\"1\" height=\"1\">\n"
+ "<feColorMatrix values=\"%s\" type=\"saturate\" result=\"colormatrix1\" />\n"
+ "<feColorMatrix values=\"1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 %s %s %s %s 0 \" in=\"SourceGraphic\" result=\"colormatrix2\" />\n"
+ "<feFlood flood-color=\"rgb(%s,%s,%s)\" flood-opacity=\"%s\" result=\"flood\" />\n"
+ "<feComposite in2=\"colormatrix2\" operator=\"%s\" result=\"composite1\" />\n"
+ "<feMerge result=\"merge\">\n"
+ "<feMergeNode in=\"colormatrix1\" />\n"
+ "<feMergeNode in=\"composite1\" />\n"
+ "</feMerge>\n"
+ "<feComposite in=\"merge\" in2=\"SourceGraphic\" operator=\"in\" result=\"composite2\" />\n"
+ "</filter>\n", saturation.str().c_str(), red.str().c_str(), green.str().c_str(),
+ blue.str().c_str(), alpha.str().c_str(), floodRed.str().c_str(),
+ floodGreen.str().c_str(), floodBlue.str().c_str(), floodAlpha.str().c_str(),
+ invert.str().c_str());
+
+ return _filter;
+}; /* Channel Painting filter */
+
+
/**
\brief Custom predefined Colorize filter.
diff --git a/src/extension/internal/filter/filter-all.cpp b/src/extension/internal/filter/filter-all.cpp
index 6ee849925..8a8dd57a6 100755
--- a/src/extension/internal/filter/filter-all.cpp
+++ b/src/extension/internal/filter/filter-all.cpp
@@ -49,6 +49,7 @@ Filter::filters_all (void )
// Color
Brightness::init();
+ ChannelPaint::init();
Colorize::init();
Duochrome::init();
Electrize::init();
generated by cgit v1.2.3 (git 2.25.1) at 2026-07-22 06:24:35 +0000