X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fcanvas%2Fruler.cc;h=9949836fa1bd5542cee115ad58669946be506f1e;hb=d2371a6a903e226466fa4bdba2c6cb0b7f390664;hp=921b5b2992d9ba7ecbb7d82f191909c1e7265e4d;hpb=e1825361b5c1e20f8fc3f0f56dd242ad140d2755;p=ardour.git

diff --git a/libs/canvas/ruler.cc b/libs/canvas/ruler.cc
index 921b5b2992..9949836fa1 100644
--- a/libs/canvas/ruler.cc
+++ b/libs/canvas/ruler.cc
@@ -25,19 +25,51 @@
 #include "canvas/ruler.h"
 #include "canvas/types.h"
 #include "canvas/debug.h"
-#include "canvas/utils.h"
 #include "canvas/canvas.h"
 
 using namespace std;
 using namespace ArdourCanvas;
 
-Ruler::Ruler (Group *p, const Metric& m)
-	: Item (p)
-	, Fill (p)
-	, Outline (p)
-	, _metric (m)
+Ruler::Ruler (Canvas* c, const Metric& m)
+	: Rectangle (c)
+	, _metric (&m)
 	, _lower (0)
 	, _upper (0)
+	, _divide_height (-1.0)
+	, _font_description (0)
+	, _need_marks (true)
+{
+}
+
+Ruler::Ruler (Canvas* c, const Metric& m, Rect const& r)
+	: Rectangle (c, r)
+	, _metric (&m)
+	, _lower (0)
+	, _upper (0)
+	, _divide_height (-1.0)
+	, _font_description (0)
+	, _need_marks (true)
+{
+}
+
+Ruler::Ruler (Item* parent, const Metric& m)
+	: Rectangle (parent)
+	, _metric (&m)
+	, _lower (0)
+	, _upper (0)
+	, _divide_height (-1.0)
+	, _font_description (0)
+	, _need_marks (true)
+{
+}
+
+Ruler::Ruler (Item* parent, const Metric& m, Rect const& r)
+	: Rectangle (parent, r)
+	, _metric (&m)
+	, _lower (0)
+	, _upper (0)
+	, _divide_height (-1.0)
+	, _font_description (0)
 	, _need_marks (true)
 {
 }
@@ -56,31 +88,11 @@ void
 Ruler::set_font_description (Pango::FontDescription fd)
 {
 	begin_visual_change ();
+	delete _font_description;
 	_font_description = new Pango::FontDescription (fd);
 	end_visual_change ();
 }
 
-void
-Ruler::set_size (Rect const & area)
-{
-	if (_rect != area) {
-		begin_visual_change ();
-		_rect = area;
-		_bounding_box_dirty = true;
-		end_visual_change ();
-	}
-}
-
-void
-Ruler::compute_bounding_box () const
-{
-	if (!_rect.empty()) {
-		_bounding_box = _rect;
-	}
-
-	_bounding_box_dirty = false;
-}
-
 void
 Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 {
@@ -89,20 +101,20 @@ Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 		return;
 	}
 
-	Rect self (item_to_window (_rect));
-	boost::optional<Rect> i = self.intersection (area);
+	Rect self (item_to_window (get()));
+	Rect i = self.intersection (area);
 
 	if (!i) {
 		return;
 	}
 
-	Rect intersection (i.get());
+	Rect intersection (i);
 
 	Distance height = self.height();
 
 	if (_need_marks) {
 		marks.clear ();
-		_metric.get_marks (marks, _lower, _upper, 50);
+		_metric->get_marks (marks, _lower, _upper, 50);
 		_need_marks = false;
 	}
 
@@ -117,13 +129,19 @@ Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 	setup_outline_context (cr);
 
 	/* draw line on lower edge as a separator */
-	
-	cr->move_to (self.x0, self.y1-0.5);
-	cr->line_to (self.x1, self.y1-0.5);
+
+	if (_outline_width == 1.0) {
+		/* Cairo single pixel line correction */
+		cr->move_to (self.x0, self.y1-0.5);
+		cr->line_to (self.x1, self.y1-0.5);
+	} else {
+		cr->move_to (self.x0, self.y1);
+		cr->line_to (self.x1, self.y1);
+	}
 	cr->stroke ();
 
 	/* draw ticks + text */
-	
+
 	Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (cr);
 	if (_font_description) {
 		layout->set_font_description (*_font_description);
@@ -132,25 +150,30 @@ Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 	for (vector<Mark>::const_iterator m = marks.begin(); m != marks.end(); ++m) {
 		Duple pos;
 
-		pos.x = floor ((m->position - _lower) / _metric.units_per_pixel);
+		pos.x = floor ((m->position - _lower) / _metric->units_per_pixel);
 		pos.y = self.y1; /* bottom edge */
 
 		if (_outline_width == 1.0) {
+			/* Cairo single pixel line correction */
 			cr->move_to (pos.x + 0.5, pos.y);
 		} else {
 			cr->move_to (pos.x, pos.y);
 		}
-		
+
 		switch (m->style) {
-		case Mark::Major:
-			cr->rel_line_to (0, -height);
-			break;
-		case Mark::Minor:
-			cr->rel_line_to (0, -height/2.0);
-			break;
-		case Mark::Micro:
-			cr->rel_line_to (0, -height/4.0);
-			break;
+			case Mark::Major:
+				if (_divide_height >= 0) {
+					cr->rel_line_to (0, -_divide_height);
+				} else {
+					cr->rel_line_to (0, -height);
+				}
+				break;
+			case Mark::Minor:
+				cr->rel_line_to (0, -height/3.0);
+				break;
+			case Mark::Micro:
+				cr->rel_line_to (0, -height/5.0);
+				break;
 		}
 		cr->stroke ();
 
@@ -161,11 +184,53 @@ Ruler::render (Rect const & area, Cairo::RefPtr<Cairo::Context> cr) const
 
 			layout->set_text (m->label);
 			logical = layout->get_pixel_logical_extents ();
-			
-			cr->move_to (pos.x + 2.0, self.y0 + logical.get_y());
+
+			if (_divide_height >= 0) {
+				cr->move_to (pos.x + 2.0, self.y0 + _divide_height + logical.get_y() + 2.0); /* 2 pixel padding below divider */
+			} else {
+				cr->move_to (pos.x + 2.0, self.y0 + logical.get_y() + .5 * (height - logical.get_height()));
+			}
 			layout->show_in_cairo_context (cr);
 		}
 	}
 
+	if (_divide_height >= 0.0) {
+
+		cr->set_line_width (1.0);
+
+		Gtkmm2ext::set_source_rgba (cr, _divider_color_top);
+		cr->move_to (self.x0, self.y0 + _divide_height-1.0+0.5);
+		cr->line_to (self.x1, self.y0 + _divide_height-1.0+0.5);
+		cr->stroke ();
+
+		Gtkmm2ext::set_source_rgba (cr, _divider_color_bottom);
+		cr->move_to (self.x0, self.y0 + _divide_height+0.5);
+		cr->line_to (self.x1, self.y0 + _divide_height+0.5);
+		cr->stroke ();
+
+
+	}
+
 	/* done! */
 }
+
+void
+Ruler::set_divide_height (double h)
+{
+        _divide_height = h;
+}
+
+void
+Ruler::set_divide_colors (Gtkmm2ext::Color t, Gtkmm2ext::Color b)
+{
+        _divider_color_bottom = b;
+        _divider_color_top = t;
+}
+
+void
+Ruler::set_metric (const Metric& m)
+{
+        _metric = &m;
+        _need_marks = true;
+        redraw ();
+}