Method drawLine

src/app/ui/editor/editor.cpp:113–124

  }

  void drawLine(int x1, int y1, int x2, int y2, gfx::Color screenColor) override {
    gfx::Point a(x1, y1);
    gfx::Point b(x2, y2);
    a = m_editor->editorToScreen(a);
    b = m_editor->editorToScreen(b);
    gfx::Rect bounds = m_editor->bounds();
    a.x -= bounds.x;
    a.y -= bounds.y;
    b.x -= bounds.x;
    b.y -= bounds.y;
    m_g->drawLine(screenColor, a, b);
  }

  void drawRectXor(const gfx::Rect& rc) override {
    gfx::Rect rc2 = m_editor->editorToScreen(rc);