ATL::CImage::CInitGDIPlus Class Reference

Collaboration diagram for ATL::CImage::CInitGDIPlus:

Public Member Functions
	CInitGDIPlus () noexcept
	~CInitGDIPlus () noexcept
bool	Init () noexcept
void	ReleaseGDIPlus () noexcept
void	IncreaseCImageCount () noexcept
void	DecreaseCImageCount () noexcept

Public Attributes
FUN_Startup	Startup
FUN_Shutdown	Shutdown
FUN_CreateBitmapFromFile	CreateBitmapFromFile
FUN_CreateBitmapFromHBITMAP	CreateBitmapFromHBITMAP
FUN_CreateBitmapFromStream	CreateBitmapFromStream
FUN_CreateHBITMAPFromBitmap	CreateHBITMAPFromBitmap
FUN_DisposeImage	DisposeImage
FUN_GetImageDecoder	GetImageDecoders
FUN_GetImageDecoderSize	GetImageDecodersSize
FUN_GetImageEncoder	GetImageEncoders
FUN_GetImageEncoderSize	GetImageEncodersSize
FUN_SaveImageToFile	SaveImageToFile
FUN_SaveImageToStream	SaveImageToStream

Private Types
using	FUN_Startup = decltype(&Gdiplus::GdiplusStartup)
using	FUN_Shutdown = decltype(&Gdiplus::GdiplusShutdown)
using	FUN_CreateBitmapFromFile = decltype(&Gdiplus::DllExports::GdipCreateBitmapFromFile)
using	FUN_CreateBitmapFromHBITMAP = decltype(&Gdiplus::DllExports::GdipCreateBitmapFromHBITMAP)
using	FUN_CreateBitmapFromStream = decltype(&Gdiplus::DllExports::GdipCreateBitmapFromStream)
using	FUN_CreateHBITMAPFromBitmap = decltype(&Gdiplus::DllExports::GdipCreateHBITMAPFromBitmap)
using	FUN_DisposeImage = decltype(&Gdiplus::DllExports::GdipDisposeImage)
using	FUN_GetImageDecoder = decltype(&Gdiplus::DllExports::GdipGetImageDecoders)
using	FUN_GetImageDecoderSize = decltype(&Gdiplus::DllExports::GdipGetImageDecodersSize)
using	FUN_GetImageEncoder = decltype(&Gdiplus::DllExports::GdipGetImageEncoders)
using	FUN_GetImageEncoderSize = decltype(&Gdiplus::DllExports::GdipGetImageEncodersSize)
using	FUN_SaveImageToFile = decltype(&Gdiplus::DllExports::GdipSaveImageToFile)
using	FUN_SaveImageToStream = decltype(&Gdiplus::DllExports::GdipSaveImageToStream)

Private Member Functions
void	_clear_funs () noexcept
template<typename T_FUN >
T_FUN	_get_fun (T_FUN &fun, LPCSTR name) noexcept

Private Attributes
HINSTANCE	m_hInst
ULONG_PTR	m_dwToken
CRITICAL_SECTION	m_sect
LONG	m_nCImageObjects
DWORD	m_dwLastError

Detailed Description

Definition at line 847 of file atlimage.h.

Member Typedef Documentation

FUN_CreateBitmapFromFile

using ATL::CImage::CInitGDIPlus::FUN_CreateBitmapFromFile = decltype(&Gdiplus::DllExports::GdipCreateBitmapFromFile)

private

Definition at line 853 of file atlimage.h.

FUN_CreateBitmapFromHBITMAP

using ATL::CImage::CInitGDIPlus::FUN_CreateBitmapFromHBITMAP = decltype(&Gdiplus::DllExports::GdipCreateBitmapFromHBITMAP)

private

Definition at line 854 of file atlimage.h.

FUN_CreateBitmapFromStream

using ATL::CImage::CInitGDIPlus::FUN_CreateBitmapFromStream = decltype(&Gdiplus::DllExports::GdipCreateBitmapFromStream)

private

Definition at line 855 of file atlimage.h.

FUN_CreateHBITMAPFromBitmap

using ATL::CImage::CInitGDIPlus::FUN_CreateHBITMAPFromBitmap = decltype(&Gdiplus::DllExports::GdipCreateHBITMAPFromBitmap)

private

Definition at line 856 of file atlimage.h.

FUN_DisposeImage

using ATL::CImage::CInitGDIPlus::FUN_DisposeImage = decltype(&Gdiplus::DllExports::GdipDisposeImage)

private

Definition at line 857 of file atlimage.h.

FUN_GetImageDecoder

using ATL::CImage::CInitGDIPlus::FUN_GetImageDecoder = decltype(&Gdiplus::DllExports::GdipGetImageDecoders)

private

Definition at line 858 of file atlimage.h.

FUN_GetImageDecoderSize

using ATL::CImage::CInitGDIPlus::FUN_GetImageDecoderSize = decltype(&Gdiplus::DllExports::GdipGetImageDecodersSize)

private

Definition at line 859 of file atlimage.h.

FUN_GetImageEncoder

using ATL::CImage::CInitGDIPlus::FUN_GetImageEncoder = decltype(&Gdiplus::DllExports::GdipGetImageEncoders)

private

Definition at line 860 of file atlimage.h.

FUN_GetImageEncoderSize

using ATL::CImage::CInitGDIPlus::FUN_GetImageEncoderSize = decltype(&Gdiplus::DllExports::GdipGetImageEncodersSize)

private

Definition at line 861 of file atlimage.h.

FUN_SaveImageToFile

using ATL::CImage::CInitGDIPlus::FUN_SaveImageToFile = decltype(&Gdiplus::DllExports::GdipSaveImageToFile)

private

Definition at line 862 of file atlimage.h.

FUN_SaveImageToStream

using ATL::CImage::CInitGDIPlus::FUN_SaveImageToStream = decltype(&Gdiplus::DllExports::GdipSaveImageToStream)

private

Definition at line 863 of file atlimage.h.

FUN_Shutdown

using ATL::CImage::CInitGDIPlus::FUN_Shutdown = decltype(&Gdiplus::GdiplusShutdown)

private

Definition at line 852 of file atlimage.h.

FUN_Startup

using ATL::CImage::CInitGDIPlus::FUN_Startup = decltype(&Gdiplus::GdiplusStartup)

private

Definition at line 851 of file atlimage.h.

Constructor & Destructor Documentation

CInitGDIPlus()

ATL::CImage::CInitGDIPlus::CInitGDIPlus ( )

inlinenoexcept

Definition at line 913 of file atlimage.h.

            : m_hInst(NULL)
            , m_dwToken(0)
            , m_nCImageObjects(0)
            , m_dwLastError(ERROR_SUCCESS)
        {
            _clear_funs();
            ::InitializeCriticalSection(&m_sect);
        }

~CInitGDIPlus()

ATL::CImage::CInitGDIPlus::~CInitGDIPlus ( )

inlinenoexcept

Definition at line 923 of file atlimage.h.

        {
            ReleaseGDIPlus();
            ::DeleteCriticalSection(&m_sect);
        }

Member Function Documentation

_clear_funs()

void ATL::CImage::CInitGDIPlus::_clear_funs ( )

inlineprivatenoexcept

Definition at line 872 of file atlimage.h.

        {
            Startup = NULL;
            Shutdown = NULL;
            CreateBitmapFromFile = NULL;
            CreateBitmapFromHBITMAP = NULL;
            CreateBitmapFromStream = NULL;
            CreateHBITMAPFromBitmap = NULL;
            DisposeImage = NULL;
            GetImageDecoders = NULL;
            GetImageDecodersSize = NULL;
            GetImageEncoders = NULL;
            GetImageEncodersSize = NULL;
            SaveImageToFile = NULL;
            SaveImageToStream = NULL;
        }

Referenced by CInitGDIPlus(), and ReleaseGDIPlus().

_get_fun()

template<typename T_FUN >

T_FUN ATL::CImage::CInitGDIPlus::_get_fun ( T_FUN &  fun, LPCSTR  name  )

inlineprivatenoexcept

Definition at line 890 of file atlimage.h.

        {
            if (!fun)
                fun = reinterpret_cast<T_FUN>(::GetProcAddress(m_hInst, name));
            return fun;
        }

Referenced by Init().

DecreaseCImageCount()

void ATL::CImage::CInitGDIPlus::DecreaseCImageCount ( )

inlinenoexcept

Definition at line 992 of file atlimage.h.

        {
            ::EnterCriticalSection(&m_sect);
            if (--m_nCImageObjects == 0)
            {
                ReleaseGDIPlus();
            }
            ::LeaveCriticalSection(&m_sect);
        }

Referenced by ATL::CImage::~CImage().

IncreaseCImageCount()

void ATL::CImage::CInitGDIPlus::IncreaseCImageCount ( )

inlinenoexcept

Definition at line 985 of file atlimage.h.

        {
            ::EnterCriticalSection(&m_sect);
            ++m_nCImageObjects;
            ::LeaveCriticalSection(&m_sect);
        }

Referenced by ATL::CImage::CImage().

Init()

bool ATL::CImage::CInitGDIPlus::Init ( )

inlinenoexcept

Definition at line 929 of file atlimage.h.

        {
            ::EnterCriticalSection(&m_sect);
 
            if (m_dwToken == 0)
            {
                if (!m_hInst)
                    m_hInst = ::LoadLibrary(TEXT("gdiplus.dll"));
 
                if (m_hInst &&
                    _get_fun(Startup, "GdiplusStartup") &&
                    _get_fun(Shutdown, "GdiplusShutdown") &&
                    _get_fun(CreateBitmapFromFile, "GdipCreateBitmapFromFile") &&
                    _get_fun(CreateBitmapFromHBITMAP, "GdipCreateBitmapFromHBITMAP") &&
                    _get_fun(CreateBitmapFromStream, "GdipCreateBitmapFromStream") &&
                    _get_fun(CreateHBITMAPFromBitmap, "GdipCreateHBITMAPFromBitmap") &&
                    _get_fun(DisposeImage, "GdipDisposeImage") &&
                    _get_fun(GetImageDecoders, "GdipGetImageDecoders") &&
                    _get_fun(GetImageDecodersSize, "GdipGetImageDecodersSize") &&
                    _get_fun(GetImageEncoders, "GdipGetImageEncoders") &&
                    _get_fun(GetImageEncodersSize, "GdipGetImageEncodersSize") &&
                    _get_fun(SaveImageToFile, "GdipSaveImageToFile") &&
                    _get_fun(SaveImageToStream, "GdipSaveImageToStream"))
                {
                    using namespace Gdiplus;
                    GdiplusStartupInput input;
                    GdiplusStartupOutput output;
                    Startup(&m_dwToken, &input, &output);
                }
            }
 
            bool ret = (m_dwToken != 0);
            ::LeaveCriticalSection(&m_sect);
 
            return ret;
        }

Referenced by ATL::CImage::InitGDIPlus().

ReleaseGDIPlus()

void ATL::CImage::CInitGDIPlus::ReleaseGDIPlus ( )

inlinenoexcept

Definition at line 966 of file atlimage.h.

        {
            ::EnterCriticalSection(&m_sect);
            if (m_dwToken)
            {
                if (Shutdown)
                    Shutdown(m_dwToken);
 
                m_dwToken = 0;
            }
            if (m_hInst)
            {
                ::FreeLibrary(m_hInst);
                m_hInst = NULL;
            }
            _clear_funs();
            ::LeaveCriticalSection(&m_sect);
        }

Referenced by DecreaseCImageCount(), ATL::CImage::ReleaseGDIPlus(), and ~CInitGDIPlus().

Member Data Documentation

CreateBitmapFromFile

FUN_CreateBitmapFromFile ATL::CImage::CInitGDIPlus::CreateBitmapFromFile

Definition at line 901 of file atlimage.h.

Referenced by _clear_funs(), Init(), and ATL::CImage::Load().

CreateBitmapFromHBITMAP

FUN_CreateBitmapFromHBITMAP ATL::CImage::CInitGDIPlus::CreateBitmapFromHBITMAP

Definition at line 902 of file atlimage.h.

Referenced by _clear_funs(), Init(), and ATL::CImage::Save().

CreateBitmapFromStream

FUN_CreateBitmapFromStream ATL::CImage::CInitGDIPlus::CreateBitmapFromStream

Definition at line 903 of file atlimage.h.

Referenced by _clear_funs(), Init(), and ATL::CImage::Load().

CreateHBITMAPFromBitmap

FUN_CreateHBITMAPFromBitmap ATL::CImage::CInitGDIPlus::CreateHBITMAPFromBitmap

Definition at line 904 of file atlimage.h.

Referenced by _clear_funs(), Init(), and ATL::CImage::Load().

DisposeImage

FUN_DisposeImage ATL::CImage::CInitGDIPlus::DisposeImage

Definition at line 905 of file atlimage.h.

Referenced by _clear_funs(), Init(), ATL::CImage::Load(), and ATL::CImage::Save().

GetImageDecoders

FUN_GetImageDecoder ATL::CImage::CInitGDIPlus::GetImageDecoders

Definition at line 906 of file atlimage.h.

Referenced by _clear_funs(), ATL::CImage::_getAllDecoders(), and Init().

GetImageDecodersSize

FUN_GetImageDecoderSize ATL::CImage::CInitGDIPlus::GetImageDecodersSize

Definition at line 907 of file atlimage.h.

Referenced by _clear_funs(), ATL::CImage::_getAllDecoders(), and Init().

GetImageEncoders

FUN_GetImageEncoder ATL::CImage::CInitGDIPlus::GetImageEncoders

Definition at line 908 of file atlimage.h.

Referenced by _clear_funs(), ATL::CImage::_getAllEncoders(), and Init().

GetImageEncodersSize

FUN_GetImageEncoderSize ATL::CImage::CInitGDIPlus::GetImageEncodersSize

Definition at line 909 of file atlimage.h.

Referenced by _clear_funs(), ATL::CImage::_getAllEncoders(), and Init().

m_dwLastError

DWORD ATL::CImage::CInitGDIPlus::m_dwLastError

private

Definition at line 870 of file atlimage.h.

m_dwToken

ULONG_PTR ATL::CImage::CInitGDIPlus::m_dwToken

private

Definition at line 867 of file atlimage.h.

Referenced by Init(), and ReleaseGDIPlus().

m_hInst

HINSTANCE ATL::CImage::CInitGDIPlus::m_hInst

private

Definition at line 866 of file atlimage.h.

Referenced by _get_fun(), Init(), and ReleaseGDIPlus().

m_nCImageObjects

LONG ATL::CImage::CInitGDIPlus::m_nCImageObjects

private

Definition at line 869 of file atlimage.h.

Referenced by DecreaseCImageCount(), and IncreaseCImageCount().

m_sect

CRITICAL_SECTION ATL::CImage::CInitGDIPlus::m_sect

private

Definition at line 868 of file atlimage.h.

Referenced by CInitGDIPlus(), DecreaseCImageCount(), IncreaseCImageCount(), Init(), ReleaseGDIPlus(), and ~CInitGDIPlus().

SaveImageToFile

FUN_SaveImageToFile ATL::CImage::CInitGDIPlus::SaveImageToFile

Definition at line 910 of file atlimage.h.

Referenced by _clear_funs(), Init(), and ATL::CImage::Save().

SaveImageToStream

FUN_SaveImageToStream ATL::CImage::CInitGDIPlus::SaveImageToStream

Definition at line 911 of file atlimage.h.

Referenced by _clear_funs(), Init(), and ATL::CImage::Save().

Shutdown

FUN_Shutdown ATL::CImage::CInitGDIPlus::Shutdown

Definition at line 900 of file atlimage.h.

Referenced by _clear_funs(), Init(), and ReleaseGDIPlus().

Startup

FUN_Startup ATL::CImage::CInitGDIPlus::Startup

Definition at line 899 of file atlimage.h.

Referenced by _clear_funs(), and Init().

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The documentation for this class was generated from the following file:

• sdk/lib/atl/atlimage.h