1 files changed, 61 insertions, 0 deletions
diff --git a/src/extension/internal/bitmap/unsharpmask.cpp b/src/extension/internal/bitmap/unsharpmask.cpp
new file mode 100644
index 0000000..9240803
--- /dev/null
+++ b/src/extension/internal/bitmap/unsharpmask.cpp
@@ -0,0 +1,61 @@
+// 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 "unsharpmask.h"
+#include <Magick++.h>
+
+namespace Inkscape {
+namespace Extension {
+namespace Internal {
+namespace Bitmap {
+	
+void
+Unsharpmask::applyEffect(Magick::Image* image) {
+	float amount = _amount / 100.0;
+	image->unsharpmask(_radius, _sigma, amount, _threshold);
+}
+
+void
+Unsharpmask::refreshParameters(Inkscape::Extension::Effect* module) {
+	_radius = module->get_param_float("radius");
+	_sigma = module->get_param_float("sigma");
+	_amount = module->get_param_float("amount");
+	_threshold = module->get_param_float("threshold");
+}
+
+#include "../clear-n_.h"
+
+void
+Unsharpmask::init()
+{
+	Inkscape::Extension::build_from_mem(
+		"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
+			"<name>" N_("Unsharp Mask") "</name>\n"
+			"<id>org.inkscape.effect.bitmap.unsharpmask</id>\n"
+			"<param name=\"radius\" gui-text=\"" N_("Radius:") "\" type=\"float\" min=\"0.0\" max=\"50.0\">5.0</param>\n"
+			"<param name=\"sigma\" gui-text=\"" N_("Sigma:") "\" type=\"float\" min=\"0.0\" max=\"50.0\">5.0</param>\n"
+			"<param name=\"amount\" gui-text=\"" N_("Amount:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">50.0</param>\n"
+			"<param name=\"threshold\" gui-text=\"" N_("Threshold:") "\" type=\"float\" min=\"0.0\" max=\"50.0\">5.0</param>\n"
+			"<effect>\n"
+				"<object-type>all</object-type>\n"
+				"<effects-menu>\n"
+					"<submenu name=\"" N_("Raster") "\" />\n"
+				"</effects-menu>\n"
+				"<menu-tip>" N_("Sharpen selected bitmap(s) using unsharp mask algorithms") "</menu-tip>\n"
+			"</effect>\n"
+		"</inkscape-extension>\n", new Unsharpmask());
+}
+
+}; /* namespace Bitmap */
+}; /* namespace Internal */
+}; /* namespace Extension */
+}; /* namespace Inkscape */