1 files changed, 60 insertions, 0 deletions
diff --git a/src/extension/internal/bitmap/adaptiveThreshold.cpp b/src/extension/internal/bitmap/adaptiveThreshold.cpp
new file mode 100644
index 0000000..7c85d84
--- /dev/null
+++ b/src/extension/internal/bitmap/adaptiveThreshold.cpp
@@ -0,0 +1,60 @@
+// 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 "adaptiveThreshold.h"
+#include <Magick++.h>
+
+namespace Inkscape {
+namespace Extension {
+namespace Internal {
+namespace Bitmap {
+	
+void
+AdaptiveThreshold::applyEffect(Magick::Image *image) {
+	image->adaptiveThreshold(_width, _height);
+}
+
+void
+AdaptiveThreshold::refreshParameters(Inkscape::Extension::Effect *module) {	
+	_width = module->get_param_int("width");
+	_height = module->get_param_int("height");
+	_offset = module->get_param_int("offset");
+}
+
+#include "../clear-n_.h"
+
+void
+AdaptiveThreshold::init()
+{
+    // clang-format off
+    Inkscape::Extension::build_from_mem(
+        "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
+            "<name>" N_("Adaptive Threshold") "</name>\n"
+            "<id>org.inkscape.effect.bitmap.adaptiveThreshold</id>\n"
+            "<param name=\"width\" gui-text=\"" N_("Width:") "\" type=\"int\" min=\"-100\" max=\"100\">5</param>\n"
+            "<param name=\"height\" gui-text=\"" N_("Height:") "\" type=\"int\" min=\"-100\" max=\"100\">5</param>\n"
+            "<param name=\"offset\" gui-text=\"" N_("Offset:") "\" type=\"int\" min=\"0\" max=\"100\">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_("Apply adaptive thresholding to selected bitmap(s)") "</menu-tip>\n"
+            "</effect>\n"
+        "</inkscape-extension>\n", new AdaptiveThreshold());
+    // clang-format on
+}
+
+}; /* namespace Bitmap */
+}; /* namespace Internal */
+}; /* namespace Extension */
+}; /* namespace Inkscape */