pv/views/trace/viewitempaintparams.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <cassert>
  21
  22 #include <QApplication>
  23 #include <QFontMetrics>
  24
  25 #include "viewitempaintparams.hpp"
  26
  27 namespace pv {
  28 namespace views {
  29 namespace trace {
  30
  31 ViewItemPaintParams::ViewItemPaintParams(
  32         const QRect &rect, double scale, const pv::util::Timestamp& offset) :
  33         rect_(rect),
  34         scale_(scale),
  35         offset_(offset),
  36         bg_color_state_(false)
  37 {
  38         assert(scale > 0.0);
  39 }
  40
  41 QFont ViewItemPaintParams::font()
  42 {
  43         return QApplication::font();
  44 }
  45
  46 int ViewItemPaintParams::text_height()
  47 {
  48         return QFontMetrics(font()).height();
  49 }
  50
  51 } // namespace trace
  52 } // namespace views
  53 } // namespace pv