本文整理汇总了C++中Painter::draw_rectangle方法的典型用法代码示例。如果您正苦于以下问题：C++ Painter::draw_rectangle方法的具体用法？C++ Painter::draw_rectangle怎么用？C++ Painter::draw_rectangle使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Painter的用法示例。
在下文中一共展示了Painter::draw_rectangle方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: paint
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));
}
}示例2: paint
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_
);
}