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#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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