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-rw-r--r--src/extension/internal/grid.cpp272
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diff --git a/src/extension/internal/grid.cpp b/src/extension/internal/grid.cpp
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+/**
+ \file grid.cpp
+
+ A plug-in to add a grid creation effect into Inkscape.
+*/
+/*
+ * Authors:
+ * Ted Gould <ted@gould.cx>
+ *
+ * Copyright (C) 2004-2005 Authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include <gtkmm/box.h>
+#include <gtkmm/adjustment.h>
+#include <gtkmm/spinbutton.h>
+
+#include "desktop.h"
+#include "selection.h"
+#include "sp-object.h"
+
+#include "extension/effect.h"
+#include "extension/system.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 sucessful
+*/
+bool
+Grid::load (Inkscape::Extension::Extension *module)
+{
+ // std::cout << "Hey, I'm Grid, I'm loading!" << std::endl;
+ return TRUE;
+}
+
+/**
+ \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::Selection * selection = ((SPDesktop *)document)->selection;
+
+ NR::Rect bounding_area = NR::Rect(NR::Point(0,0), NR::Point(100,100));
+ if (selection->isEmpty()) {
+ /* get page size */
+ SPDocument * doc = document->doc();
+ bounding_area = NR::Rect(NR::Point(0,0),
+ NR::Point(sp_document_width(doc),
+ sp_document_height(doc)));
+ } else {
+ bounding_area = selection->bounds();
+
+ gdouble doc_height = sp_document_height(document->doc());
+ NR::Rect temprec = NR::Rect(NR::Point(bounding_area.min()[NR::X], doc_height - bounding_area.min()[NR::Y]),
+ NR::Point(bounding_area.max()[NR::X], doc_height - bounding_area.max()[NR::Y]));
+
+ bounding_area = temprec;
+ }
+
+
+ float xspacing = module->get_param_float("xspacing");
+ float yspacing = module->get_param_float("yspacing");
+ float line_width = module->get_param_float("lineWidth");
+ float xoffset = module->get_param_float("xoffset");
+ float yoffset = module->get_param_float("yoffset");
+
+ // std::cout << "Spacing: " << spacing;
+ // std::cout << " Line Width: " << line_width;
+ // std::cout << " Offset: " << offset << std::endl;
+
+ Glib::ustring path_data;
+
+ for (NR::Point start_point = bounding_area.min();
+ start_point[NR::X] + xoffset <= (bounding_area.max())[NR::X];
+ start_point[NR::X] += xspacing) {
+ NR::Point end_point = start_point;
+ end_point[NR::Y] = (bounding_area.max())[NR::Y];
+ gchar floatstring[64];
+
+ path_data += "M ";
+ sprintf(floatstring, "%f", start_point[NR::X] + xoffset);
+ path_data += floatstring;
+ path_data += " ";
+ sprintf(floatstring, "%f", start_point[NR::Y]);
+ path_data += floatstring;
+ path_data += " L ";
+ sprintf(floatstring, "%f", end_point[NR::X] + xoffset);
+ path_data += floatstring;
+ path_data += " ";
+ sprintf(floatstring, "%f", end_point[NR::Y]);
+ path_data += floatstring;
+ path_data += " ";
+ }
+
+ for (NR::Point start_point = bounding_area.min();
+ start_point[NR::Y] + yoffset <= (bounding_area.max())[NR::Y];
+ start_point[NR::Y] += yspacing) {
+ NR::Point end_point = start_point;
+ end_point[NR::X] = (bounding_area.max())[NR::X];
+ gchar floatstring[64];
+
+ path_data += "M ";
+ sprintf(floatstring, "%f", start_point[NR::X]);
+ path_data += floatstring;
+ path_data += " ";
+ sprintf(floatstring, "%f", start_point[NR::Y] + yoffset);
+ path_data += floatstring;
+ path_data += " L ";
+ sprintf(floatstring, "%f", end_point[NR::X]);
+ path_data += floatstring;
+ path_data += " ";
+ sprintf(floatstring, "%f", end_point[NR::Y] + yoffset);
+ path_data += floatstring;
+ path_data += " ";
+ }
+
+ // std::cout << "Path Data: " << path_data << std::endl;
+
+ Inkscape::XML::Node * current_layer = ((SPDesktop *)document)->currentLayer()->repr;
+ Inkscape::XML::Node * path = sp_repr_new("svg:path");
+
+ path->setAttribute("d", path_data.c_str());
+
+ Glib::ustring style("fill:none;fill-opacity:0.75000000;fill-rule:evenodd;stroke:#000000;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1.0000000");
+ style += ";stroke-width:";
+ gchar floatstring[64];
+ sprintf(floatstring, "%f", line_width);
+ style += floatstring;
+ style += "pt";
+ path->setAttribute("style", style.c_str());
+
+ // Glib::ustring transform("scale(1.25 1.25)");
+ // path->setAttribute("transform", transform.c_str());
+
+ current_layer->appendChild(path);
+
+ return;
+}
+
+/** \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 (void);
+}; /* 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 (void)
+{
+ // 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.
+
+ This function builds a VBox, and puts it into a Gtk::Plug. This way
+ the native window pointer can be pulled out and returned up to be
+ stuck in a Gtk::Socket further up the call stack. In the Vbox there
+ are several Hboxes, each one being a spin button to adjust a particular
+ parameter. The names of the parameters and the labels are all
+ stored in the arrays in the middle of the function. This makes
+ the code very generic. This will probably have to change if someone
+ wants to make this dialog look nicer.
+*/
+Gtk::Widget *
+Grid::prefs_effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View * view)
+{
+ Gtk::VBox * vbox;
+ vbox = new Gtk::VBox();
+
+#define NUM_PREFERENCES 5
+ char * labels[NUM_PREFERENCES] = {N_("Line Width"),
+ N_("Horizontal Spacing"),
+ N_("Vertical Spacing"),
+ N_("Horizontal Offset"),
+ N_("Vertical Offset")};
+ char * prefs[NUM_PREFERENCES] = {"lineWidth",
+ "xspacing",
+ "yspacing",
+ "xoffset",
+ "yoffset"};
+
+ for (int i = 0; i < NUM_PREFERENCES; i++) {
+ Gtk::HBox * hbox = new Gtk::HBox();
+
+ Gtk::Label * label = new Gtk::Label(_(labels[i]), Gtk::ALIGN_LEFT);
+ label->show();
+ hbox->pack_start(*label, true, true);
+
+ PrefAdjustment * pref = new PrefAdjustment(module, prefs[i]);
+
+ Gtk::SpinButton * spin = new Gtk::SpinButton(*pref, 0.1, 1);
+ spin->show();
+ hbox->pack_start(*spin, false, false);
+
+ hbox->show();
+
+ vbox->pack_start(*hbox, true, true);
+ }
+#undef NUM_PREFERENCES
+
+ vbox->show();
+
+ return vbox;
+}
+
+void
+Grid::init (void)
+{
+ Inkscape::Extension::build_from_mem(
+ "<inkscape-extension>\n"
+ "<name>Grid</name>\n"
+ "<id>org.inkscape.effect.grid</id>\n"
+ "<param name=\"lineWidth\" type=\"float\">1.0</param>\n"
+ "<param name=\"xspacing\" type=\"float\">10.0</param>\n"
+ "<param name=\"yspacing\" type=\"float\">10.0</param>\n"
+ "<param name=\"xoffset\" type=\"float\">5.0</param>\n"
+ "<param name=\"yoffset\" type=\"float\">5.0</param>\n"
+ "<effect>\n"
+ "<object-type>all</object-type>\n"
+ "</effect>\n"
+ "</inkscape-extension>\n", new Grid());
+ return;
+}
+
+}; /* 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 :
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-19 06:37:03 +0000