From aaea166135ace01709f7e0be64f40be80f4107ec Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 4 Apr 2013 00:32:52 -0400
Subject: initial commit of hand merging, plus getting "ancient" waf script to
 work correctly

---
 libs/canvas/text.cc | 120 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 libs/canvas/text.cc

(limited to 'libs/canvas/text.cc')

diff --git a/libs/canvas/text.cc b/libs/canvas/text.cc
new file mode 100644
index 0000000000..541a5f7fc0
--- /dev/null
+++ b/libs/canvas/text.cc
@@ -0,0 +1,120 @@
+#include <gtkmm/label.h>
+#include "pbd/xml++.h"
+#include "canvas/text.h"
+#include "canvas/canvas.h"
+#include "canvas/utils.h"
+
+using namespace std;
+using namespace ArdourCanvas;
+
+Text::Text (Group* parent)
+	: Item (parent)
+	, _font_description (0)
+	, _color (0x000000ff)
+	, _alignment (Pango::ALIGN_LEFT)
+{
+
+}
+
+void
+Text::set (string const & text)
+{
+	begin_change ();
+	
+	_text = text;
+	
+	_bounding_box_dirty = true;
+	end_change ();
+}
+
+void
+Text::compute_bounding_box () const
+{
+	if (!_canvas || !_canvas->context ()) {
+		_bounding_box = boost::optional<Rect> ();
+		_bounding_box_dirty = false;
+		return;
+	}
+	
+	Pango::Rectangle const r = layout (_canvas->context())->get_ink_extents ();
+	
+	_bounding_box = Rect (
+		r.get_x() / Pango::SCALE,
+		r.get_y() / Pango::SCALE,
+		(r.get_x() + r.get_width()) / Pango::SCALE,
+		(r.get_y() + r.get_height()) / Pango::SCALE
+		);
+	
+	_bounding_box_dirty = false;
+}
+
+Glib::RefPtr<Pango::Layout>
+Text::layout (Cairo::RefPtr<Cairo::Context> context) const
+{
+	Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (context);
+	layout->set_text (_text);
+	if (_font_description) {
+		layout->set_font_description (*_font_description);
+	}
+	layout->set_alignment (_alignment);
+	return layout;
+}
+
+void
+Text::render (Rect const & /*area*/, Cairo::RefPtr<Cairo::Context> context) const
+{
+	set_source_rgba (context, _color);
+	layout (context)->show_in_cairo_context (context);
+}
+
+XMLNode *
+Text::get_state () const
+{
+	XMLNode* node = new XMLNode ("Text");
+#ifdef CANVAS_DEBUG
+	if (!name.empty ()) {
+		node->add_property ("name", name);
+	}
+#endif
+	return node;
+}
+
+void
+Text::set_state (XMLNode const * /*node*/)
+{
+	/* XXX */
+}
+
+void
+Text::set_alignment (Pango::Alignment alignment)
+{
+	begin_change ();
+	
+	_alignment = alignment;
+
+	_bounding_box_dirty = true;
+	end_change ();
+}
+
+void
+Text::set_font_description (Pango::FontDescription* font_description)
+{
+	begin_change ();
+	
+	_font_description = font_description;
+
+	_bounding_box_dirty = true;
+	end_change ();
+}
+
+void
+Text::set_color (Color color)
+{
+	begin_change ();
+
+	_color = color;
+
+	end_change ();
+}
+
+		
-- 
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