55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* Copyright (C) 2023 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2023 Ben Loftis <ben@harrisonaudio.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <cmath>
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#include "editor.h"
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#include "editor_section_box.h"
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using namespace ARDOUR;
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SectionBox::SectionBox (Editor& ed, ArdourCanvas::Item* parent)
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: ArdourCanvas::Rectangle (parent)
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, _editor (ed)
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{
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set (ArdourCanvas::Rect (0, 0, 0, ArdourCanvas::COORD_MAX));
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set_ignore_events (false);
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set_outline_what (ArdourCanvas::Rectangle::What (Rectangle::LEFT | Rectangle::RIGHT));
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set_outline (true);
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set_fill (true);
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hide ();
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}
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void
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SectionBox::set_position (samplepos_t sample_start, samplepos_t sample_end)
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{
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double const new_start = _editor.sample_to_pixel_unrounded (sample_start);
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double const new_end = _editor.sample_to_pixel_unrounded (sample_end);
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if (rint (new_start) != rint (x0())) {
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set_x0 (new_start + 0.5); // accommodate the 1/2 pixel "line" offset in cairo
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}
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if (rint (new_end) != rint (x1())) {
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set_x1 (new_end + 0.5); // accommodate the 1/2 pixel "line" offset in cairo
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}
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}
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