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add OFN_NOCHANGEDIR flag to OPENFILENAME::Flags in nana::filebox::show

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http://blogs.msdn.com/b/oldnewthing/archive/2010/11/12/10089878.aspx
	setting OFN_NOCHANGEDIR flag to OPENFILENAME::Flags is effective for GetOpenFileName API on Windows7.
add const qualifier to nana::paint::graphics::save_as_file
add support for small icon on Windows.
	The system displays the large icon in the ALT+TAB dialog box, and the small icon in the window caption.
	https://msdn.microsoft.com/en-us/library/windows/desktop/ms632643%28v=vs.85%29.aspx
This commit is contained in:
beru
2015-05-16 21:10:20 +09:00
parent 2da65827a0
commit 990de7867b
14 changed files with 114 additions and 10 deletions
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32
source/paint/image.cpp
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@@ -69,6 +69,31 @@ namespace paint
return false;
}
bool image_ico::open(void* buff, size_t sz)
{
close();
#if defined(NANA_WINDOWS)
HICON handle = CreateIconFromResource((PBYTE)buff, sz, TRUE, 0x00030000);
if(handle)
{
ICONINFO info;
if (::GetIconInfo(handle, &info) != 0)
{
HICON * p = new HICON(handle);
ptr_ = std::shared_ptr<HICON>(p, handle_deleter());
size_.width = (info.xHotspot << 1);
size_.height = (info.yHotspot << 1);
::DeleteObject(info.hbmColor);
::DeleteObject(info.hbmMask);
return true;
}
}
#else
if(is_ico_){} //kill the unused compiler warning in Linux.
#endif
return false;
}
bool image_ico::alpha_channel() const
{
return false;
@@ -235,6 +260,13 @@ namespace paint
return false;
}
bool image::open_icon(void* buff, size_t sz)
{
image::image_impl_interface * helper = new detail::image_ico(true);
image_ptr_ = std::shared_ptr<image_impl_interface>(helper);
return helper->open(buff, sz);
}
bool image::empty() const
{
return ((nullptr == image_ptr_) || image_ptr_->empty());