Cosmetic of the parametric curve editor + reset button added for the curves

rtgui/curveeditor.cc

@@ -22,14 +22,22 @@
 #include <guiutils.h>
 #include <multilangmgr.h>
 
+extern Glib::ustring argv0;
+
 CurveEditor::CurveEditor () : cl(NULL), activeParamControl(-1), realized(false), curveTypeIx(-1) {
 
     Gtk::HBox* tsbox = Gtk::manage (new Gtk::HBox ());
     Gtk::Label* tslab = Gtk::manage (new Gtk::Label (M("CURVEEDITOR_TYPE")));
     curveType = Gtk::manage (new Gtk::ComboBoxText ());
+    curve_reset = Gtk::manage (new Gtk::Button ());
+    curve_reset->add (*Gtk::manage (new Gtk::Image (argv0+"/images/undo.png")));
+    curve_reset->set_relief (Gtk::RELIEF_NONE);
+    curve_reset->set_border_width (0);
+    curve_reset->set_tooltip_text (M("CURVEEDITOR_TOOLTIPLINEAR"));
 
     tsbox->pack_start (*tslab, Gtk::PACK_SHRINK, 8);
     tsbox->pack_start (*curveType);
+    tsbox->pack_start (*curve_reset, Gtk::PACK_SHRINK, 0);
     
     pack_start (*tsbox);
     
@@ -38,6 +46,8 @@ CurveEditor::CurveEditor () : cl(NULL), activeParamControl(-1), realized(false),
     curveType->append_text (M("CURVEEDITOR_CUSTOM"));
     curveType->set_active (0);
 
+    curve_reset->signal_clicked().connect( sigc::mem_fun(*this, &CurveEditor::curveResetPressed) );
+
     // custom curve
     customCurveBox = new Gtk::VBox ();
     Gtk::HBox* tmpa = Gtk::manage (new Gtk::HBox ());
@@ -47,9 +57,9 @@ CurveEditor::CurveEditor () : cl(NULL), activeParamControl(-1), realized(false),
     //af->add (*customCurve);
     customCurve->set_size_request (GRAPH_SIZE+2*RADIUS, GRAPH_SIZE+2*RADIUS);
     customCurve->setType (Spline);
+    //customCurve->set_tooltip_text (M("CURVEEDITOR_TOOLTIPMOVESPEED"));
     tmpa->pack_start (*customCurve, true, false, 4);
     customCurveBox->pack_start (*tmpa, true, true,4);
-    //customCurveBox->set_size_request (0, -1);
 
     Gtk::HBox* bbox = Gtk::manage (new Gtk::HBox ());
     save = Gtk::manage (new Gtk::Button ());
@@ -79,8 +89,8 @@ CurveEditor::CurveEditor () : cl(NULL), activeParamControl(-1), realized(false),
     shcSelector = Gtk::manage (new SHCSelector ());
     shcSelector->set_size_request (GRAPH_SIZE, 20);
 
-    paramctab->attach (*paramCurve, 0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, RADIUS+2, RADIUS+2);
-    paramctab->attach (*shcSelector, 0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK, RADIUS+2, 2);
+    paramctab->attach (*paramCurve, 0, 1, 0, 1, Gtk::FILL, Gtk::SHRINK, 4, 4);
+    paramctab->attach (*shcSelector, 0, 1, 1, 2, Gtk::FILL, Gtk::SHRINK, RADIUS+4, 0);
 
     Gtk::HBox* tmpb = Gtk::manage (new Gtk::HBox ());
     tmpb->pack_start (*paramctab, true, false);
@@ -331,6 +341,25 @@ void CurveEditor::curveChanged () {
         cl->curveChanged ();
 }
 
+void CurveEditor::curveResetPressed () {
+	switch (curveTypeIx) {
+	case 2 : // Custom
+		customCurve->reset ();
+		break;
+	case 1 : // Parametric
+	    highlights->resetPressed();
+	    lights->resetPressed();
+	    darks->resetPressed();
+	    shadows->resetPressed();
+	    shcSelector->reset();
+	    paramCurve->reset ();
+		break;
+	default:
+		break;
+	}
+	curveChanged ();
+}
+
 void CurveEditor::shcChanged () {
 
     paramCurve->setPoints (getCurve());

rtgui/curveeditor.h

@@ -27,6 +27,7 @@
 class CurveEditor : public Gtk::VBox, public CurveListener, public SHCListener, public AdjusterListener {
 
         Gtk::ComboBoxText* curveType;
+        Gtk::Button* curve_reset;
         Gtk::VBox* paramCurveBox;
         Gtk::VBox* customCurveBox;
 
@@ -68,6 +69,7 @@ class CurveEditor : public Gtk::VBox, public CurveListener, public SHCListener,
         void setCurve (const std::vector<double>& c);
         std::vector<double> getCurve ();
         void curveChanged ();
+        void curveResetPressed ();
         void shcChanged ();
         void adjusterChanged (Adjuster* a, double newval);
         bool adjusterEntered (GdkEventCrossing* ev, int ac);

rtgui/mycurve.cc

@@ -603,3 +603,26 @@ void MyCurve::updateBackgroundHistogram (unsigned int* hist) {
 
 }
 
+void MyCurve::reset() {
+	int width = get_allocation().get_width() - RADIUS * 2;
+	int height = get_allocation().get_height() - RADIUS * 2;
+
+	switch (curve.type) {
+	case Spline :
+		curve.x.clear();
+		curve.y.clear();
+	    curve.x.push_back(0.);
+	    curve.y.push_back(0.);
+	    curve.x.push_back(1.);
+	    curve.y.push_back(1.);
+	    grab_point = -1;
+	    lit_point = -1;
+        interpolate (width, height);
+		break;
+	case Parametric :
+		// Nothing to do (?)
+	default:
+		break;
+	}
+	//draw(width, height, -1);
+}

rtgui/mycurve.h

@@ -83,6 +83,7 @@ class MyCurve : public Gtk::DrawingArea {
         void notifyListener ();
         void setActiveParam (int ac);
         void updateBackgroundHistogram (unsigned int* hist);
+        void reset ();
 };
 
 #endif

rtgui/shcselector.cc

@@ -19,6 +19,7 @@
 
 #include <shcselector.h>
 #include <iomanip>
+#include <mycurve.h>
 
 SHCSelector::SHCSelector() : movingPosition(-1), cl(NULL) {
 
@@ -99,18 +100,22 @@ bool SHCSelector::on_expose_event(GdkEventExpose* event) {
     cr->set_line_width (0.5);
     if (movingPosition >= 0) {
         int i = movingPosition;
+        int offset;
+        int layout_width, layout_height;
         Glib::RefPtr<Pango::Layout> layout = create_pango_layout(Glib::ustring::format(std::setprecision(2), positions[i]));
-        cr->move_to (w*positions[i]+wslider/2-0.5, 0);
+        layout->get_pixel_size(layout_width, layout_height);
+        offset = positions[i] > 0.5 ? -layout_width-1-wslider/2 : 1+wslider/2;
+        cr->move_to (w*positions[i]+offset-0.5, 0);
         cr->set_source_rgb (bgc.get_red_p(), bgc.get_green_p(), bgc.get_blue_p());
         layout->add_to_cairo_context (cr);
         cr->fill_preserve ();
         cr->stroke ();
-        cr->move_to (w*positions[i]+wslider/2+0.5, 1);
+        cr->move_to (w*positions[i]+offset+0.5, 1);
         layout->add_to_cairo_context (cr);
         cr->fill_preserve ();
         cr->stroke ();
         cr->set_source_rgb (fgc.get_red_p(), fgc.get_green_p(), fgc.get_blue_p());
-        cr->move_to (w*positions[i]+wslider/2, 0.5);
+        cr->move_to (w*positions[i]+offset, 0.5);
         layout->add_to_cairo_context (cr);
         cr->fill_preserve ();
         cr->stroke ();
@@ -164,3 +169,10 @@ void SHCSelector::styleChanged (const Glib::RefPtr<Gtk::Style>& style) {
     
     queue_draw ();
 }
+
+void SHCSelector::reset () {	//  : movingPosition(-1), cl(NULL) {
+	positions[0] = 0.25;
+	positions[1] = 0.5;
+	positions[2] = 0.75;
+    queue_draw ();
+}

rtgui/shcselector.h

@@ -55,6 +55,7 @@ class SHCSelector : public Gtk::DrawingArea {
     bool on_button_release_event (GdkEventButton* event);
     bool on_motion_notify_event (GdkEventMotion* event);
     void styleChanged (const Glib::RefPtr<Gtk::Style>& style);
+    void reset ();
 };
 
 #endif