src/artisan/gviewport/LineObject.cpp

   1 /** Aesalon, a tool to visualize program behaviour in real time.
   2         Copyright (C) 2009-2011, Aesalon development team.
   3
   4         Aesalon is distributed under the terms of the GNU GPLv3. See
   5         the included file LICENSE for more information.
   6
   7         @file src/artisan/gviewport/LineObject.cpp
   8 */
   9
  10 #include <QRect>
  11
  12
  13 #include "artisan/gviewport/LineObject.h"
  14
  15 namespace Artisan {
  16 namespace GViewport {
  17
  18 LineObject::LineObject(double layer, double x1, double y1, double x2, double y2) {
  19         m_bound.setRange(TreeType::Range(layer, layer), 0);
  20         m_bound.setRange(TreeType::Range(x1, x2), 1);
  21         m_bound.setRange(TreeType::Range(y1, y2), 2);
  22 }
  23
  24 LineObject::~LineObject() {
  25
  26 }
  27
  28 void LineObject::render(RenderedImage &image) {
  29         Message(Debug, "Rendering LineObject . . .");
  30         double x1, y1;
  31         image.mapper().map(m_bound.range(1).start(), m_bound.range(2).start(), &x1, &y1);
  32         double x2, y2;
  33         image.mapper().map(m_bound.range(1).end(), m_bound.range(2).end(), &x2, &y2);
  34
  35         Message(Debug, "Coordinates: (" << x1 << "," << y1 << "), (" << x2 << "," << y2 << ")");
  36
  37         QPainter *painter = image.painter();
  38
  39         painter->setPen(qRgb(0, 0, 0));
  40
  41         painter->drawLine(x1 * painter->device()->width(), y1 * painter->device()->height(),
  42                 x2 * painter->device()->width(), y2 * painter->device()->height());
  43 }
  44
  45 } // namespace GViewport
  46 } // namespace Artisan