128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
/*
|
|
* Icon Resource
|
|
* Nana C++ Library(http://www.nanapro.org)
|
|
* Copyright(C) 2017 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/paint/detail/image_ico_resource.hpp
|
|
*/
|
|
|
|
#ifndef NANA_PAINT_DETAIL_IMAGE_ICO_RESOURCE_INCLUDED
|
|
#define NANA_PAINT_DETAIL_IMAGE_ICO_RESOURCE_INCLUDED
|
|
|
|
#include <nana/filesystem/filesystem_ext.hpp>
|
|
#include <nana/paint/detail/image_impl_interface.hpp>
|
|
#include <nana/paint/graphics.hpp>
|
|
|
|
#if defined(NANA_WINDOWS)
|
|
# include <windows.h>
|
|
#endif
|
|
|
|
namespace nana{ namespace paint
|
|
{
|
|
namespace detail
|
|
{
|
|
class image_ico_resource
|
|
:public image::image_impl_interface
|
|
{
|
|
public:
|
|
bool open(const std::experimental::filesystem::path& filename) override
|
|
{
|
|
#if defined(NANA_WINDOWS)
|
|
SHFILEINFO sfi;
|
|
::SHGetFileInfo(filename.c_str(), 0, &sfi, sizeof sfi, SHGFI_ICON);
|
|
|
|
native_handle_ = sfi.hIcon;
|
|
#else
|
|
static_cast<void>(filename); //eliminate unused parameter compiler warnings
|
|
#endif
|
|
return (nullptr != native_handle_);
|
|
}
|
|
|
|
bool open(const void* /*data*/, std::size_t /*bytes*/) override
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool alpha_channel() const override
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool empty() const override
|
|
{
|
|
return !native_handle_;
|
|
}
|
|
|
|
void close() override
|
|
{
|
|
#if defined(NANA_WINDOWS)
|
|
if (native_handle_)
|
|
::DestroyIcon(reinterpret_cast<HICON>(native_handle_));
|
|
#endif
|
|
}
|
|
|
|
nana::size size() const override
|
|
{
|
|
#if defined(NANA_WINDOWS)
|
|
ICONINFO info;
|
|
if ((!native_handle_) || !::GetIconInfo(reinterpret_cast<HICON>(native_handle_), &info))
|
|
return{};
|
|
|
|
::nana::size sz{
|
|
info.xHotspot << 1,
|
|
info.yHotspot << 1
|
|
};
|
|
|
|
::DeleteObject(info.hbmColor);
|
|
::DeleteObject(info.hbmMask);
|
|
return sz;
|
|
#else
|
|
return{};
|
|
#endif
|
|
}
|
|
|
|
virtual void paste(const nana::rectangle& src_r, graph_reference graph, const point& p_dst) const override
|
|
{
|
|
if (!native_handle_)
|
|
return;
|
|
|
|
#if defined(NANA_WINDOWS)
|
|
::DrawIconEx(graph.handle()->context, p_dst.x, p_dst.y, reinterpret_cast<HICON>(native_handle_), src_r.width, src_r.height, 0, 0, DI_NORMAL);
|
|
#else
|
|
static_cast<void>(src_r); //eliminate unused parameter compiler warning.
|
|
static_cast<void>(graph);
|
|
static_cast<void>(p_dst);
|
|
#endif
|
|
|
|
}
|
|
|
|
virtual void stretch(const nana::rectangle&, graph_reference graph, const nana::rectangle& r) const override
|
|
{
|
|
if (!native_handle_)
|
|
return;
|
|
|
|
#if defined(NANA_WINDOWS)
|
|
::DrawIconEx(graph.handle()->context, r.x, r.y, reinterpret_cast<HICON>(native_handle_), r.width, r.height, 0, 0, DI_NORMAL);
|
|
#else
|
|
static_cast<void>(graph); //eliminate unused parameter compiler warning.
|
|
static_cast<void>(r);
|
|
#endif
|
|
}
|
|
|
|
void* native_handle()
|
|
{
|
|
return native_handle_;
|
|
}
|
|
private:
|
|
void* native_handle_;
|
|
};//end class image_ico
|
|
}
|
|
}//end namespace paint
|
|
}//end namespace nana
|
|
|
|
#endif
|