1 files changed, 71 insertions, 0 deletions
diff --git a/src/extension/internal/bitmap/addNoise.cpp b/src/extension/internal/bitmap/addNoise.cpp
new file mode 100644
index 0000000..0bedb3c
--- /dev/null
+++ b/src/extension/internal/bitmap/addNoise.cpp
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2007 Authors:
+ *   Christopher Brown <audiere@gmail.com>
+ *   Ted Gould <ted@gould.cx>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "extension/effect.h"
+#include "extension/system.h"
+
+#include "addNoise.h"
+#include <Magick++.h>
+
+namespace Inkscape {
+namespace Extension {
+namespace Internal {
+namespace Bitmap {
+	
+void
+AddNoise::applyEffect(Magick::Image *image) {
+	Magick::NoiseType noiseType = Magick::UniformNoise;
+	if (!strcmp(_noiseTypeName,      "Uniform Noise"))		noiseType = Magick::UniformNoise;
+	else if (!strcmp(_noiseTypeName, "Gaussian Noise"))		noiseType = Magick::GaussianNoise;
+	else if (!strcmp(_noiseTypeName, "Multiplicative Gaussian Noise"))	noiseType = Magick::MultiplicativeGaussianNoise;
+	else if (!strcmp(_noiseTypeName, "Impulse Noise"))		noiseType = Magick::ImpulseNoise;
+	else if (!strcmp(_noiseTypeName, "Laplacian Noise"))	noiseType = Magick::LaplacianNoise;
+	else if (!strcmp(_noiseTypeName, "Poisson Noise"))		noiseType = Magick::PoissonNoise;	
+	
+	image->addNoise(noiseType);
+}
+
+void
+AddNoise::refreshParameters(Inkscape::Extension::Effect *module) {	
+	_noiseTypeName = module->get_param_optiongroup("noiseType");
+}
+
+#include "../clear-n_.h"
+
+void
+AddNoise::init()
+{
+    // clang-format off
+    Inkscape::Extension::build_from_mem(
+        "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
+            "<name>" N_("Add Noise") "</name>\n"
+            "<id>org.inkscape.effect.bitmap.addNoise</id>\n"
+            "<param name=\"noiseType\" gui-text=\"" N_("Type:") "\" type=\"optiongroup\" appearance=\"combo\" >\n"
+                "<option value='Uniform Noise'>" N_("Uniform Noise") "</option>\n"
+                "<option value='Gaussian Noise'>" N_("Gaussian Noise") "</option>\n"
+                "<option value='Multiplicative Gaussian Noise'>" N_("Multiplicative Gaussian Noise") "</option>\n"
+                "<option value='Impulse Noise'>" N_("Impulse Noise") "</option>\n"
+                "<option value='Laplacian Noise'>" N_("Laplacian Noise") "</option>\n"
+                "<option value='Poisson Noise'>" N_("Poisson Noise") "</option>\n"
+            "</param>\n"
+            "<effect>\n"
+                "<object-type>all</object-type>\n"
+                "<effects-menu>\n"
+                    "<submenu name=\"" N_("Raster") "\" />\n"
+                "</effects-menu>\n"
+                "<menu-tip>" N_("Add random noise to selected bitmap(s)") "</menu-tip>\n"
+            "</effect>\n"
+        "</inkscape-extension>\n", new AddNoise());
+    // clang-format on
+}
+
+}; /* namespace Bitmap */
+}; /* namespace Internal */
+}; /* namespace Extension */
+}; /* namespace Inkscape */