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-rw-r--r--src/extension/plugins/CMakeLists.txt2
-rw-r--r--src/extension/plugins/grid2/CMakeLists.txt9
-rw-r--r--src/extension/plugins/grid2/grid.cpp213
-rw-r--r--src/extension/plugins/grid2/grid.h59
-rw-r--r--src/extension/plugins/grid2/libgrid2.inx21
5 files changed, 304 insertions, 0 deletions
diff --git a/src/extension/plugins/CMakeLists.txt b/src/extension/plugins/CMakeLists.txt
new file mode 100644
index 0000000..dc15b4a
--- /dev/null
+++ b/src/extension/plugins/CMakeLists.txt
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+add_subdirectory(grid2)
diff --git a/src/extension/plugins/grid2/CMakeLists.txt b/src/extension/plugins/grid2/CMakeLists.txt
new file mode 100644
index 0000000..1d23d83
--- /dev/null
+++ b/src/extension/plugins/grid2/CMakeLists.txt
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+set(grid_PART_SRCS grid.cpp)
+
+include_directories( ${CMAKE_BINARY_DIR}/src )
+
+add_library(grid2 SHARED EXCLUDE_FROM_ALL ${grid_PART_SRCS})
+
+target_link_libraries(grid2 inkscape_base)
+
diff --git a/src/extension/plugins/grid2/grid.cpp b/src/extension/plugins/grid2/grid.cpp
new file mode 100644
index 0000000..53dcecd
--- /dev/null
+++ b/src/extension/plugins/grid2/grid.cpp
@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ \file grid.cpp
+
+ A plug-in to add a grid creation effect into Inkscape.
+*/
+/*
+ * Copyright (C) 2004-2005 Ted Gould <ted@gould.cx>
+ * Copyright (C) 2007 MenTaLguY <mental@rydia.net>
+ * Abhishek Sharma
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <gtkmm/box.h>
+#include <gtkmm/adjustment.h>
+#include <gtkmm/spinbutton.h>
+
+#include "desktop.h"
+
+#include "document.h"
+#include "selection.h"
+#include "2geom/geom.h"
+
+#include "object/sp-object.h"
+
+#include "svg/path-string.h"
+
+#include "extension/effect.h"
+#include "extension/system.h"
+
+#include "util/units.h"
+
+#include "grid.h"
+
+namespace Inkscape {
+namespace Extension {
+namespace Internal {
+
+/**
+ \brief A function to allocated anything -- just an example here
+ \param module Unused
+ \return Whether the load was successful
+*/
+bool
+Grid::load (Inkscape::Extension::Extension */*module*/)
+{
+ // std::cout << "Hey, I'm Grid, I'm loading!" << std::endl;
+ return TRUE;
+}
+
+namespace {
+
+Glib::ustring build_lines(Geom::Rect bounding_area,
+ Geom::Point const &offset, Geom::Point const &spacing)
+{
+
+ std::cout << "Building lines" << std::endl;
+
+ Geom::Point point_offset(0.0, 0.0);
+
+ SVG::PathString path_data;
+
+ for ( int axis = Geom::X ; axis <= Geom::Y ; ++axis ) {
+ point_offset[axis] = offset[axis];
+
+ for (Geom::Point start_point = bounding_area.min();
+ start_point[axis] + offset[axis] <= (bounding_area.max())[axis];
+ start_point[axis] += spacing[axis]) {
+ Geom::Point end_point = start_point;
+ end_point[1-axis] = (bounding_area.max())[1-axis];
+
+ path_data.moveTo(start_point + point_offset)
+ .lineTo(end_point + point_offset);
+ }
+ }
+ std::cout << "Path data:" << path_data.c_str() << std::endl;
+ return path_data;
+}
+
+} // namespace
+
+/**
+ \brief This actually draws the grid.
+ \param module The effect that was called (unused)
+ \param document What should be edited.
+*/
+void
+Grid::effect (Inkscape::Extension::Effect *module, Inkscape::UI::View::View *document, Inkscape::Extension::Implementation::ImplementationDocumentCache * /*docCache*/)
+{
+
+ std::cout << "Executing effect" << std::endl;
+
+ Inkscape::Selection * selection = ((SPDesktop *)document)->selection;
+
+ Geom::Rect bounding_area = Geom::Rect(Geom::Point(0,0), Geom::Point(100,100));
+ if (selection->isEmpty()) {
+ /* get page size */
+ SPDocument * doc = document->doc();
+ bounding_area = Geom::Rect( Geom::Point(0,0),
+ Geom::Point(doc->getWidth().value("px"), doc->getHeight().value("px")) );
+ } else {
+ Geom::OptRect bounds = selection->visualBounds();
+ if (bounds) {
+ bounding_area = *bounds;
+ }
+
+ gdouble doc_height = (document->doc())->getHeight().value("px");
+ Geom::Rect temprec = Geom::Rect(Geom::Point(bounding_area.min()[Geom::X], doc_height - bounding_area.min()[Geom::Y]),
+ Geom::Point(bounding_area.max()[Geom::X], doc_height - bounding_area.max()[Geom::Y]));
+
+ bounding_area = temprec;
+ }
+
+ double scale = document->doc()->getDocumentScale().inverse()[Geom::X];
+
+ bounding_area *= Geom::Scale(scale);
+ Geom::Point spacings( scale * module->get_param_float("xspacing"),
+ scale * module->get_param_float("yspacing") );
+ gdouble line_width = scale * module->get_param_float("lineWidth");
+ Geom::Point offsets( scale * module->get_param_float("xoffset"),
+ scale * module->get_param_float("yoffset") );
+
+ Glib::ustring path_data("");
+
+ path_data = build_lines(bounding_area, offsets, spacings);
+ Inkscape::XML::Document * xml_doc = document->doc()->getReprDoc();
+
+ //XML Tree being used directly here while it shouldn't be.
+ Inkscape::XML::Node * current_layer = static_cast<SPDesktop *>(document)->currentLayer()->getRepr();
+ Inkscape::XML::Node * path = xml_doc->createElement("svg:path");
+
+ path->setAttribute("d", path_data);
+
+ std::ostringstream stringstream;
+ stringstream << "fill:none;stroke:#000000;stroke-width:" << line_width << "px";
+ path->setAttribute("style", stringstream.str());
+
+ current_layer->appendChild(path);
+ Inkscape::GC::release(path);
+}
+
+/** \brief A class to make an adjustment that uses Extension params */
+class PrefAdjustment : public Gtk::Adjustment {
+ /** Extension that this relates to */
+ Inkscape::Extension::Extension * _ext;
+ /** The string which represents the parameter */
+ char * _pref;
+public:
+ /** \brief Make the adjustment using an extension and the string
+ describing the parameter. */
+ PrefAdjustment(Inkscape::Extension::Extension * ext, char * pref) :
+ Gtk::Adjustment(0.0, 0.0, 10.0, 0.1), _ext(ext), _pref(pref) {
+ this->set_value(_ext->get_param_float(_pref));
+ this->signal_value_changed().connect(sigc::mem_fun(this, &PrefAdjustment::val_changed));
+ return;
+ };
+
+ void val_changed ();
+}; /* class PrefAdjustment */
+
+/** \brief A function to respond to the value_changed signal from the
+ adjustment.
+
+ This function just grabs the value from the adjustment and writes
+ it to the parameter. Very simple, but yet beautiful.
+*/
+void
+PrefAdjustment::val_changed ()
+{
+ // std::cout << "Value Changed to: " << this->get_value() << std::endl;
+ _ext->set_param_float(_pref, this->get_value());
+ return;
+}
+
+/** \brief A function to get the prefences for the grid
+ \param moudule Module which holds the params
+ \param view Unused today - may get style information in the future.
+
+ Uses AutoGUI for creating the GUI.
+*/
+Gtk::Widget *
+Grid::prefs_effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View * view, sigc::signal<void> * changeSignal, Inkscape::Extension::Implementation::ImplementationDocumentCache * /*docCache*/)
+{
+ SPDocument * current_document = view->doc();
+
+ auto selected = ((SPDesktop *) view)->getSelection()->items();
+ Inkscape::XML::Node * first_select = nullptr;
+ if (!selected.empty()) {
+ first_select = selected.front()->getRepr();
+ }
+
+ return module->autogui(current_document, first_select, changeSignal);
+}
+
+
+
+
+}; /* namespace Internal */
+}; /* namespace Extension */
+}; /* namespace Inkscape */
+
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/extension/plugins/grid2/grid.h b/src/extension/plugins/grid2/grid.h
new file mode 100644
index 0000000..f6d7d57
--- /dev/null
+++ b/src/extension/plugins/grid2/grid.h
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Authors:
+ * Ted Gould <ted@gould.cx>
+ *
+ * Copyright (C) 2004-2005 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef __GRID_H
+
+#include "extension/implementation/implementation.h"
+
+
+#include <glib.h>
+#include <gmodule.h>
+#include "inkscape-version.cpp"
+
+
+
+namespace Inkscape {
+namespace Extension {
+
+class Effect;
+class Extension;
+
+namespace Internal {
+
+/** \brief Implementation class of the GIMP gradient plugin. This mostly
+ just creates a namespace for the GIMP gradient plugin today.
+*/
+class Grid : public Inkscape::Extension::Implementation::Implementation {
+
+public:
+ bool load(Inkscape::Extension::Extension *module) override;
+ void effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View *document, Inkscape::Extension::Implementation::ImplementationDocumentCache * docCache) override;
+ Gtk::Widget * prefs_effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View * view, sigc::signal<void> * changeSignal, Inkscape::Extension::Implementation::ImplementationDocumentCache * docCache) override;
+
+};
+
+}; /* namespace Internal */
+}; /* namespace Extension */
+}; /* namespace Inkscape */
+
+extern "C" G_MODULE_EXPORT Inkscape::Extension::Implementation::Implementation* GetImplementation() { return new Inkscape::Extension::Internal::Grid(); }
+extern "C" G_MODULE_EXPORT const gchar* GetInkscapeVersion() { return Inkscape::version_string; }
+#endif
+
+/*
+ Local Variables:
+ mode:c++
+ c-file-style:"stroustrup"
+ c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+ indent-tabs-mode:nil
+ fill-column:99
+ End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
diff --git a/src/extension/plugins/grid2/libgrid2.inx b/src/extension/plugins/grid2/libgrid2.inx
new file mode 100644
index 0000000..db95cd5
--- /dev/null
+++ b/src/extension/plugins/grid2/libgrid2.inx
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- SPDX-License-Identifier: GPL-2.0-or-later -->
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+<_name>Grid2</_name>
+<id>org.inkscape.effect.grid2</id>
+<param name="lineWidth" _gui-text="Line Width:" type="float">1.0</param>
+<param name="xspacing" _gui-text="Horizontal Spacing:" type="float" min="0.1" max="1000">10.0</param>
+<param name="yspacing" _gui-text="Vertical Spacing:" type="float" min="0.1" max="1000">10.0</param>
+<param name="xoffset" _gui-text="Horizontal Offset:" type="float" min="0.0" max="1000">0.0</param>
+<param name="yoffset" _gui-text="Vertical Offset:" type="float" min="0.0" max="1000">0.0</param>
+<effect>
+ <object-type>all</object-type>
+ <effects-menu>
+ <submenu _name="Render" >
+ <submenu _name="Grids" />
+ </submenu>
+ </effects-menu>
+<_menu-tip>Draw a path which is a grid</_menu-tip>
+</effect>
+<plugin name="libgrid2" />
+</inkscape-extension>
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