void TemperatureWidget::paint(Painter& painter) { const auto logger = portapack::temperature_logger; const auto rect = screen_rect(); const Color color_background { 0, 0, 64 }; const Color color_foreground = Color::green(); const Color color_reticle { 128, 128, 128 }; const auto graph_width = static_cast<int>(logger.capacity()) * bar_width; const Rect graph_rect { rect.left() + (rect.width() - graph_width) / 2, rect.top() + 8, graph_width, rect.height() }; const Rect frame_rect { graph_rect.left() - 1, graph_rect.top() - 1, graph_rect.width() + 2, graph_rect.height() + 2 }; painter.draw_rectangle(frame_rect, color_reticle); painter.fill_rectangle(graph_rect, color_background); const auto history = logger.history(); for(size_t i=0; i<history.size(); i++) { const Coord x = graph_rect.right() - (history.size() - i) * bar_width; const auto sample = history[i]; const auto temp = temperature(sample); const auto y = screen_y(temp, graph_rect); const Dim bar_height = graph_rect.bottom() - y; painter.fill_rectangle({ x, y, bar_width, bar_height }, color_foreground); } if( !history.empty() ) { const auto sample = history.back(); const auto temp = temperature(sample); const auto last_y = screen_y(temp, graph_rect); const Coord x = graph_rect.right() + 8; const Coord y = last_y - 8; painter.draw_string({ x, y }, style(), temperature_str(temp)); } const auto display_temp_max = display_temp_min + (graph_rect.height() / display_temp_scale); for(auto temp=display_temp_min; temp<=display_temp_max; temp+=10) { const int32_t tick_length = 6; const auto tick_x = graph_rect.left() - tick_length; const auto tick_y = screen_y(temp, graph_rect); painter.fill_rectangle({ tick_x, tick_y, tick_length, 1 }, color_reticle); const auto text_x = graph_rect.left() - temp_len * 8 - 8; const auto text_y = tick_y - 8; painter.draw_string({ text_x, text_y }, style(), temperature_str(temp)); } }
void Button::paint(Painter& painter) { const auto r = screen_rect(); const auto paint_style = (has_focus() || highlighted()) ? style().invert() : style(); painter.draw_rectangle(r, style().foreground); painter.fill_rectangle( { r.left() + 1, r.top() + 1, r.width() - 2, r.height() - 2 }, paint_style.background ); const auto label_r = paint_style.font.size_of(text_); painter.draw_string( { r.left() + (r.width() - label_r.width()) / 2, r.top() + (r.height() - label_r.height()) / 2 }, paint_style, text_ ); }