87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
/*
|
|
* A Drawing Implementation
|
|
* Nana C++ Library(http://www.nanapro.org)
|
|
* Copyright(C) 2003-2014 Jinhao(cnjinhao@hotmail.com)
|
|
*
|
|
* Distributed under the Boost Software License, Version 1.0.
|
|
* (See accompanying file LICENSE_1_0.txt or copy at
|
|
* http://www.boost.org/LICENSE_1_0.txt)
|
|
*
|
|
* @file: nana/gui/drawing.cpp
|
|
*/
|
|
|
|
#include <nana/gui/drawing.hpp>
|
|
#include <nana/gui/programming_interface.hpp>
|
|
#include <nana/gui/detail/basic_window.hpp>
|
|
|
|
namespace nana
|
|
{
|
|
//restrict
|
|
//@brief: This name is only visible for this compiling-unit
|
|
namespace restrict
|
|
{
|
|
typedef detail::bedrock::core_window_t core_window_t;
|
|
extern detail::bedrock& bedrock;
|
|
|
|
inline detail::drawer& get_drawer(window wd)
|
|
{
|
|
return reinterpret_cast<core_window_t*>(wd)->drawer;
|
|
}
|
|
}
|
|
|
|
//class drawing
|
|
drawing::drawing(window wd)
|
|
:handle_(wd)
|
|
{}
|
|
|
|
drawing::~drawing(){} //Just for polymorphism
|
|
|
|
bool drawing::empty() const
|
|
{
|
|
return API::empty_window(handle_) || reinterpret_cast<restrict::core_window_t*>(handle_)->root_graph->empty();
|
|
}
|
|
|
|
void drawing::update() const
|
|
{
|
|
API::refresh_window(handle_);
|
|
}
|
|
|
|
void drawing::draw(const draw_fn_t& f)
|
|
{
|
|
if(API::empty_window(handle_)) return;
|
|
restrict::get_drawer(handle_).draw(draw_fn_t(f), false);
|
|
}
|
|
|
|
void drawing::draw(draw_fn_t&& f)
|
|
{
|
|
if(API::empty_window(handle_)) return;
|
|
restrict::get_drawer(handle_).draw(std::move(f), false);
|
|
}
|
|
|
|
drawing::diehard_t drawing::draw_diehard(const draw_fn_t& f)
|
|
{
|
|
if(API::empty_window(handle_)) return nullptr;
|
|
return reinterpret_cast<diehard_t>(restrict::get_drawer(handle_).draw(draw_fn_t(f), true));
|
|
}
|
|
|
|
drawing::diehard_t drawing::draw_diehard(draw_fn_t&& f)
|
|
{
|
|
if(API::empty_window(handle_)) return nullptr;
|
|
return reinterpret_cast<diehard_t>(restrict::get_drawer(handle_).draw(std::move(f), true));
|
|
}
|
|
|
|
void drawing::erase(diehard_t d)
|
|
{
|
|
if(API::empty_window(handle_))
|
|
restrict::get_drawer(handle_).erase(d);
|
|
}
|
|
|
|
void drawing::clear()
|
|
{
|
|
if(API::empty_window(handle_)) return;
|
|
restrict::get_drawer(handle_).clear();
|
|
}
|
|
//end class drawing
|
|
}//end namespace nana
|
|
|