本文整理汇总了C++中graph_reference::text_extent_size方法的典型用法代码示例。如果您正苦于以下问题：C++ graph_reference::text_extent_size方法的具体用法？C++ graph_reference::text_extent_size怎么用？C++ graph_reference::text_extent_size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graph_reference的用法示例。
在下文中一共展示了graph_reference::text_extent_size方法的3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: _m_draw_title
void trigger::_m_draw_title(graph_reference graph, bool enabled)
{
nana::string text = wdg_->caption();
nana::string::value_type shortkey;
nana::string::size_type shortkey_pos;
nana::string str = API::transform_shortkey_text(text, shortkey, &shortkey_pos);
nana::size ts = graph.text_extent_size(str);
nana::size gsize = graph.size();
nana::size icon_sz;
if(attr_.icon)
{
icon_sz = attr_.icon->size();
icon_sz.width += 5;
}
nana::point pos{
static_cast<int>(gsize.width - 1 - ts.width) >> 1, static_cast<int>(gsize.height - 1 - ts.height) >> 1
};
if(pos.x < static_cast<int>(icon_sz.width))
pos.x = static_cast<int>(icon_sz.width);
unsigned omitted_pixels = gsize.width - icon_sz.width;
std::size_t txtlen = str.size();
const nana::char_t* txtptr = str.c_str();
if(ts.width)
{
nana::paint::text_renderer tr(graph);
if(enabled)
{
if (element_state::pressed == attr_.e_state)
{
++pos.x;
++pos.y;
}
graph.set_text_color(attr_.focus_color && attr_.focused ? ::nana::color(colors::blue) : attr_.fgcolor);
if (attr_.omitted)
tr.render(pos, txtptr, txtlen, omitted_pixels, true);
else
graph.bidi_string(pos, txtptr, txtlen);
if(shortkey)
{
unsigned off_w = (shortkey_pos ? graph.text_extent_size(str, static_cast<unsigned>(shortkey_pos)).width : 0);
nana::size shortkey_size = graph.text_extent_size(txtptr + shortkey_pos, 1);
pos.x += off_w;
pos.y += static_cast<int>(shortkey_size.height);
graph.set_color(colors::black);
graph.line(pos, point{ pos.x + static_cast<int>(shortkey_size.width) - 1, pos.y });
}
}
else
{
graph.set_text_color(::nana::color(colors::white));
if(attr_.omitted)
{
tr.render(point{ pos.x + 1, pos.y + 1 }, txtptr, txtlen, omitted_pixels, true);
graph.set_text_color(::nana::color(colors::gray));
tr.render(pos, txtptr, txtlen, omitted_pixels, true);
}
else
{
graph.bidi_string(point{ pos.x + 1, pos.y + 1 }, txtptr, txtlen);
graph.set_text_color(::nana::color(colors::gray));
graph.bidi_string(pos, txtptr, txtlen);
}
}
}
if(attr_.icon)
attr_.icon->paste(graph, point{ 3, static_cast<int>(gsize.height - icon_sz.height) / 2 });
}
void trigger::_m_draw_background(graph_reference graph)
{
nana::rectangle r(graph.size());
r.pare_off(1);
auto from = attr_.bgcolor.blend(colors::white, 0.2);
auto to = attr_.bgcolor.blend(colors::black, 0.95);
if (element_state::pressed == attr_.e_state)
{
r.x = r.y = 2;
std::swap(from, to);
}
graph.gradual_rectangle(r, from, to, true);
}示例2: refresh
void drawer::refresh(graph_reference graph)
{
_m_draw_background(graph);
_m_draw_title(graph);
_m_draw_checkbox(graph, graph.text_extent_size(STR("jN"), 2).height + 2);
}示例3: _m_draw_title
void trigger::_m_draw_title(graph_reference graph, bool enabled)
{
wchar_t shortkey;
std::string::size_type shortkey_pos;
std::string mbstr = API::transform_shortkey_text(wdg_->caption(), shortkey, &shortkey_pos);
std::wstring str = to_wstring(mbstr);
nana::size ts = graph.text_extent_size(str);
nana::size gsize = graph.size();
nana::size icon_sz;
if(attr_.icon)
{
icon_sz = attr_.icon->size();
icon_sz.width += 5;
}
nana::point pos{
static_cast<int>(gsize.width - 1 - ts.width) >> 1, static_cast<int>(gsize.height - 1 - ts.height) >> 1
};
if(pos.x < static_cast<int>(icon_sz.width))
pos.x = static_cast<int>(icon_sz.width);
unsigned omitted_pixels = gsize.width - icon_sz.width;
std::size_t txtlen = str.size();
const auto txtptr = str.c_str();
if(ts.width)
{
nana::paint::text_renderer tr(graph);
if(enabled)
{
if (element_state::pressed == attr_.e_state)
{
++pos.x;
++pos.y;
}
auto text_color = (attr_.focus_color && attr_.focused ? ::nana::color(colors::blue) : attr_.fgcolor);
graph.palette(true, text_color);
if (attr_.omitted)
tr.render(pos, txtptr, txtlen, omitted_pixels, true);
else
#ifdef _nana_std_has_string_view
graph.bidi_string(pos, { txtptr, txtlen });
#else
graph.bidi_string(pos, txtptr, txtlen);
#endif
API::dev::draw_shortkey_underline(graph, mbstr, shortkey, shortkey_pos, pos, text_color);
}
else
{
graph.palette(true, color{ colors::white });
if(attr_.omitted)
{
tr.render(point{ pos.x + 1, pos.y + 1 }, txtptr, txtlen, omitted_pixels, true);
graph.palette(true, color{ colors::gray });
tr.render(pos, txtptr, txtlen, omitted_pixels, true);
}
else
{
#ifdef _nana_std_has_string_view
graph.bidi_string(point{ pos.x + 1, pos.y + 1 }, { txtptr, txtlen });
graph.palette(true, color{ colors::gray });
graph.bidi_string(pos, { txtptr, txtlen });
#else
graph.bidi_string(point{ pos.x + 1, pos.y + 1 }, txtptr, txtlen);
graph.palette(true, color{ colors::gray });
graph.bidi_string(pos, txtptr, txtlen);
#endif
}
}
}
if(attr_.icon)
attr_.icon->paste(graph, point{ 3, static_cast<int>(gsize.height - icon_sz.height) / 2 });
}
void trigger::_m_draw_background(graph_reference graph)
{
nana::rectangle r(graph.size());
r.pare_off(1);
auto from = attr_.bgcolor.blend(colors::white, 0.8);
auto to = attr_.bgcolor.blend(colors::black, 0.05);
if (element_state::pressed == attr_.e_state)
{
r.x = r.y = 2;
std::swap(from, to);
}
graph.gradual_rectangle(r, from, to, true);
}