new_grid: Add grid_lines.cc

diff --git a/gtk2_ardour/grid_lines.cc b/gtk2_ardour/grid_lines.cc
new file mode 100644 (file)
index 0000000..85f3f1e
--- /dev/null
+++ b/gtk2_ardour/grid_lines.cc
@@ -0,0 +1,80 @@
+/*
+    Copyright (C) 2002-2018 Paul Davis
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "pbd/compose.h"
+
+#include "canvas/canvas.h"
+#include "canvas/debug.h"
+#include "canvas/ruler.h"
+
+#include "grid_lines.h"
+#include "public_editor.h"
+#include "rgb_macros.h"
+#include "ui_config.h"
+
+using namespace std;
+using namespace ArdourCanvas;
+
+GridLines::GridLines (Container* group, double)
+       : lines (group, LineSet::Vertical)
+{
+       lines.set_extent (COORD_MAX);
+}
+
+GridLines::~GridLines ()
+{
+}
+
+void
+GridLines::show ()
+{
+       lines.show ();
+}
+
+void
+GridLines::hide ()
+{
+       lines.hide ();
+}
+
+void
+GridLines::draw (std::vector<Ruler::Mark>     marks)
+{
+
+//     if (line_density > 2.0f) {
+//             lines.clear ();
+//             return;
+//     }
+
+//     if (_lower == _upper) {
+//             return;
+//     }
+
+       lines.clear();
+       
+       const uint32_t c = UIConfiguration::instance().color_mod("measure line beat", "measure line beat");
+
+       for (vector<Ruler::Mark>::const_iterator m = marks.begin(); m != marks.end(); ++m) {
+
+               samplepos_t s = m->position;
+               lines.add (PublicEditor::instance().sample_to_pixel_unrounded (s), 1.0, c);
+
+       }
+}
+

diff --git a/gtk2_ardour/grid_lines.h b/gtk2_ardour/grid_lines.h
new file mode 100644 (file)
index 0000000..d3d3fe5
--- /dev/null
+++ b/gtk2_ardour/grid_lines.h
@@ -0,0 +1,41 @@
+/*
+    Copyright (C) 2000-2018 Paul Davis
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __ardour_grid_lines_h__
+#define __ardour_grid_lines_h__
+
+#include "canvas/line_set.h"
+#include "canvas/ruler.h"
+#include "ardour/tempo.h"
+
+class GridLines {
+public:
+       GridLines (ArdourCanvas::Container* group, double screen_height);
+       ~GridLines ();
+
+       void draw (std::vector<ArdourCanvas::Ruler::Mark> marks);
+
+       void show();
+       void hide();
+
+private:
+
+       ArdourCanvas::LineSet lines;
+};
+
+#endif /* __ardour_grid_lines_h__ */