new trace Dialog - initial implementation

1 files changed, 351 insertions, 0 deletions

diff --git a/src/ui/dialog/tracedialog2.cpp b/src/ui/dialog/tracedialog2.cpp
new file mode 100644
index 000000000..282a3db5a
--- /dev/null
+++ b/src/ui/dialog/tracedialog2.cpp
@@ -0,0 +1,351 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * Bitmap tracing settings dialog - second implementation.
+ */
+/* Authors:
+ *   Marc Jeanmougin <marc.jeanmougin@telecom-paristech.fr>
+ *
+ * Copyright (C) 2019 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "tracedialog.h"
+
+#include <gtkmm.h>
+#include <gtkmm/comboboxtext.h>
+#include <gtkmm/notebook.h>
+#include <gtkmm/radiobutton.h>
+#include <gtkmm/spinbutton.h>
+#include <gtkmm/stack.h>
+
+
+#include <glibmm/i18n.h>
+
+#include "desktop-tracker.h"
+#include "desktop.h"
+#include "selection.h"
+
+#include "inkscape.h"
+#include "io/resource.h"
+#include "io/sys.h"
+#include "trace/autotrace/inkscape-autotrace.h"
+#include "trace/potrace/inkscape-potrace.h"
+#include "trace/depixelize/inkscape-depixelize.h"
+
+
+
+namespace Inkscape {
+namespace UI {
+namespace Dialog {
+
+class TraceDialogImpl2 : public TraceDialog {
+  public:
+    TraceDialogImpl2();
+    ~TraceDialogImpl2() override;
+
+  private:
+    Inkscape::Trace::Tracer tracer;
+    void traceProcess(bool do_i_trace);
+    void abort();
+
+    void previewCallback();
+    void traceCallback();
+    void onSelectionModified(guint flags);
+    void onSetDefaults();
+
+    void setDesktop(SPDesktop *desktop) override;
+    void setTargetDesktop(SPDesktop *desktop);
+
+    SPDesktop *desktop;
+    DesktopTracker deskTrack;
+    sigc::connection desktopChangeConn;
+    sigc::connection selectChangedConn;
+    sigc::connection selectModifiedConn;
+
+    Glib::RefPtr<Gtk::Builder> builder;
+
+    Glib::RefPtr<Gtk::Adjustment> MS_scans, PA_curves, PA_islands, PA_sparse1, PA_sparse2, SS_AT_T, SS_BC_T, SS_CQ_T,
+        SS_CT_T, SS_ED_T, optimize, smooth, speckles;
+    Gtk::ComboBoxText *CBT_SS, *CBT_MS;
+    Gtk::CheckButton *CB_invert, *CB_MS_smooth, *CB_MS_stack, *CB_MS_rb, *CB_speckles, *CB_smooth, *CB_optimize,
+        /* *CB_live,*/ *CB_SIOX;
+    Gtk::RadioButton *RB_PA_voronoi;
+    Gtk::Button *B_RESET, *B_STOP, *B_OK, *B_Update;
+    Gtk::Box *mainBox;
+    Gtk::Stack *choice_scan;
+    Gtk::Notebook *choice_tab;
+    Gtk::Image *previewImage;
+};
+
+void TraceDialogImpl2::setDesktop(SPDesktop *desktop)
+{
+    Panel::setDesktop(desktop);
+    deskTrack.setBase(desktop);
+}
+
+void TraceDialogImpl2::setTargetDesktop(SPDesktop *desktop)
+{
+    if (this->desktop != desktop) {
+        if (this->desktop) {
+            selectChangedConn.disconnect();
+            selectModifiedConn.disconnect();
+        }
+        this->desktop = desktop;
+        if (desktop && desktop->selection) {
+            selectModifiedConn = desktop->selection->connectModified(
+                sigc::hide<0>(sigc::mem_fun(*this, &TraceDialogImpl2::onSelectionModified)));
+        }
+    }
+}
+
+void TraceDialogImpl2::traceProcess(bool do_i_trace)
+{
+    SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+    if (desktop)
+        desktop->setWaitingCursor();
+
+    if (CB_SIOX->get_active())
+        tracer.enableSiox(true);
+    else
+        tracer.enableSiox(false);
+
+    Glib::ustring type =
+        choice_scan->get_visible_child_name() == "SingleScan" ? CBT_SS->get_active_text() : CBT_MS->get_active_text();
+
+    Inkscape::Trace::Potrace::TraceType potraceType;
+    // Inkscape::Trace::Autotrace::TraceType autotraceType;
+
+    bool use_autotrace = false;
+
+    if (type == _("Brightness cutoff"))
+      potraceType = Inkscape::Trace::Potrace::TRACE_BRIGHTNESS;
+    else if (type == _("Edge detection"))
+      potraceType = Inkscape::Trace::Potrace::TRACE_CANNY;
+    else if (type == _("Color quantization"))
+      potraceType = Inkscape::Trace::Potrace::TRACE_QUANT;
+    else if (type == _("Autotrace"))
+    {
+      // autotraceType = Inkscape::Trace::Autotrace::TRACE_CENTERLINE
+      use_autotrace = true;
+    }
+    else if (type == _("Centerline tracing (autotrace)"))
+    {
+      // autotraceType = Inkscape::Trace::Autotrace::TRACE_CENTERLINE
+      use_autotrace = true;
+    }
+    else if (type == _("Brightness steps"))
+      potraceType = Inkscape::Trace::Potrace::TRACE_BRIGHTNESS_MULTI;
+    else if (type == _("Colors"))
+      potraceType = Inkscape::Trace::Potrace::TRACE_QUANT_COLOR;
+    else if (type == _("Grays"))
+      potraceType = Inkscape::Trace::Potrace::TRACE_QUANT_MONO;
+    else if (type == _("Autotrace (slower)"))
+    {
+      // autotraceType = Inkscape::Trace::Autotrace::TRACE_CENTERLINE
+      use_autotrace = true;
+    }
+    else 
+    {
+      g_warning("Should not happen!");
+    }
+
+    Inkscape::Trace::Potrace::PotraceTracingEngine pte(
+        potraceType, CB_invert->get_active(), (int)SS_CQ_T->get_value(), SS_BC_T->get_value(),
+        0., // Brightness floor
+        SS_ED_T->get_value(), (int)MS_scans->get_value(), CB_MS_stack->get_active(), CB_MS_smooth->get_active(),
+        CB_MS_rb->get_active());
+    pte.potraceParams->opticurve = CB_optimize->get_active();
+    pte.potraceParams->opttolerance = optimize->get_value();
+    pte.potraceParams->alphamax = CB_smooth->get_active() ? smooth->get_value() : 0;
+    pte.potraceParams->turdsize = CB_speckles->get_active() ? (int)speckles->get_value() : 0;
+
+
+
+    Inkscape::Trace::Autotrace::AutotraceTracingEngine ate; // TODO
+    Inkscape::Trace::Depixelize::DepixelizeTracingEngine dte(RB_PA_voronoi->get_active() ? Inkscape::Trace::Depixelize::TraceType::TRACE_VORONOI : Inkscape::Trace::Depixelize::TraceType::TRACE_BSPLINES, PA_curves->get_value(), (int) PA_islands->get_value(), (int) PA_sparse1->get_value(), PA_sparse2->get_value() );
+
+
+    Glib::RefPtr<Gdk::Pixbuf> pixbuf = tracer.getSelectedImage();
+    if (pixbuf) {
+        Glib::RefPtr<Gdk::Pixbuf> preview = pte.preview(pixbuf);
+        if (preview) {
+            int width = preview->get_width();
+            int height = preview->get_height();
+            const Gtk::Allocation &vboxAlloc = previewImage->get_allocation();
+            double scaleFX = vboxAlloc.get_width() / (double)width;
+            double scaleFY = vboxAlloc.get_height() / (double)height;
+            double scaleFactor = scaleFX > scaleFY ? scaleFY : scaleFX;
+            int newWidth = (int)(((double)width) * scaleFactor);
+            int newHeight = (int)(((double)height) * scaleFactor);
+            Glib::RefPtr<Gdk::Pixbuf> scaledPreview = preview->scale_simple(newWidth, newHeight, Gdk::INTERP_NEAREST);
+            // g_object_unref(preview);
+            previewImage->set(scaledPreview);
+        }
+    }
+    if (do_i_trace){
+        if (choice_tab->get_current_page() == 0)
+            tracer.trace(&pte);//TODO
+        else if (choice_tab->get_current_page() == 1)
+            tracer.trace(&dte);
+    }
+
+    if (desktop)
+        desktop->clearWaitingCursor();
+}
+
+void TraceDialogImpl2::abort()
+{ /*
+     SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+     if (desktop)
+         desktop->setWaitingCursor();
+
+     if (mainCancelButton)
+         mainCancelButton->set_sensitive(false)
+     if (mainOkButton)
+         mainOkButton->set_sensitive(true);
+
+     //### Make the abort() call to the tracer
+     tracer.abort();
+ */
+}
+
+void TraceDialogImpl2::onSelectionModified(guint flags)
+{
+    if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_PARENT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG)) {
+        previewCallback();
+    }
+}
+
+void TraceDialogImpl2::onSetDefaults()
+{
+    MS_scans->set_value(8);
+    PA_curves->set_value(1);
+    PA_islands->set_value(5);
+    PA_sparse1->set_value(4);
+    PA_sparse2->set_value(1);
+    SS_AT_T->set_value(0);
+    SS_BC_T->set_value(0.45);
+    SS_CQ_T->set_value(64);
+    SS_CT_T->set_value(0);
+    SS_ED_T->set_value(.65);
+    optimize->set_value(0.2);
+    smooth->set_value(1);
+    speckles->set_value(2);
+    CB_invert->set_active(false);
+    CB_MS_smooth->set_active(true);
+    CB_MS_stack->set_active(true);
+    CB_MS_rb->set_active(false);
+    CB_speckles->set_active(true);
+    CB_smooth->set_active(true);
+    CB_optimize->set_active(true);
+    //CB_live->set_active(false);
+    CB_SIOX->set_active(false);
+}
+
+void TraceDialogImpl2::previewCallback() { traceProcess(false); }
+void TraceDialogImpl2::traceCallback() { traceProcess(true); }
+
+
+TraceDialogImpl2::TraceDialogImpl2()
+    : TraceDialog()
+{
+    const std::string req_widgets[] = { "MS_scans",    "PA_curves", "PA_islands",  "PA_sparse1", "PA_sparse2",
+                                        "SS_AT_T",     "SS_BC_T",   "SS_CQ_T",     "SS_CT_T",    "SS_ED_T",
+                                        "optimize",    "smooth",    "speckles",    "CB_invert",  "CB_MS_smooth",
+                                        "CB_MS_stack", "CB_MS_rb",  "CB_speckles", "CB_smooth",  "CB_optimize",
+                                        /*"CB_live",*/ "CB_SIOX",   "CBT_SS",      "CBT_MS",     "B_RESET",
+                                        "B_STOP",      "B_OK",      "mainBox",     "choice_tab", "choice_scan",
+                                        "previewImage" };
+    Glib::ustring gladefile = get_filename(Inkscape::IO::Resource::UIS, "dialog-trace.glade");
+    try {
+        builder = Gtk::Builder::create_from_file(gladefile);
+    } catch (const Glib::Error &ex) {
+        g_warning("Glade file loading failed for filter effect dialog");
+        return;
+    }
+    Glib::RefPtr<Glib::Object> test;
+    for (std::string w : req_widgets) {
+        test = builder->get_object(w);
+        if (!test) {
+            g_warning("Required widget %s does not exist", w.c_str());
+            return;
+        }
+    }
+
+#define GET_O(name)                                                                                                    \
+    tmp = builder->get_object(#name);                                                                                  \
+    name = Glib::RefPtr<Gtk::Adjustment>::cast_dynamic(tmp);
+
+    Glib::RefPtr<Glib::Object> tmp;
+
+#define GET_W(name) builder->get_widget(#name, name);
+    GET_O(MS_scans)
+    GET_O(PA_curves)
+    GET_O(PA_islands)
+    GET_O(PA_sparse1)
+    GET_O(PA_sparse2)
+    GET_O(SS_AT_T)
+    GET_O(SS_BC_T)
+    GET_O(SS_CQ_T)
+    GET_O(SS_CT_T)
+    GET_O(SS_ED_T)
+    GET_O(optimize)
+    GET_O(smooth)
+    GET_O(speckles)
+
+    GET_W(CB_invert)
+    GET_W(CB_MS_smooth)
+    GET_W(CB_MS_stack)
+    GET_W(CB_MS_rb)
+    GET_W(CB_speckles)
+    GET_W(CB_smooth)
+    GET_W(CB_optimize)
+    //GET_W(CB_live)
+    GET_W(CB_SIOX)
+    GET_W(RB_PA_voronoi)
+    GET_W(CBT_SS)
+    GET_W(CBT_MS)
+    GET_W(B_RESET)
+    GET_W(B_STOP)
+    GET_W(B_OK)
+    GET_W(B_Update)
+    GET_W(mainBox)
+    GET_W(choice_tab)
+    GET_W(choice_scan)
+    GET_W(previewImage)
+#undef GET_W
+#undef GET_O
+    _getContents()->add(*mainBox);
+    // show_all_children();
+    desktopChangeConn = deskTrack.connectDesktopChanged(sigc::mem_fun(*this, &TraceDialogImpl2::setTargetDesktop));
+    deskTrack.connect(GTK_WIDGET(gobj()));
+
+    B_Update->signal_clicked().connect(sigc::mem_fun(*this, &TraceDialogImpl2::previewCallback));
+    B_OK->signal_clicked().connect(sigc::mem_fun(*this, &TraceDialogImpl2::traceCallback));
+    B_STOP->signal_clicked().connect(sigc::mem_fun(*this, &TraceDialogImpl2::abort));
+    B_RESET->signal_clicked().connect(sigc::mem_fun(*this, &TraceDialogImpl2::onSetDefaults));
+}
+
+
+TraceDialogImpl2::~TraceDialogImpl2()
+{
+    selectChangedConn.disconnect();
+    selectModifiedConn.disconnect();
+    desktopChangeConn.disconnect();
+}
+
+
+
+TraceDialog &TraceDialog::getInstance()
+{
+    TraceDialog *dialog = new TraceDialogImpl2();
+    return *dialog;
+}
+
+
+
+} // namespace Dialog
+} // namespace UI
+} // namespace Inkscape