ATL::CImage Class Reference

#include <atlimage.h>

Collaboration diagram for ATL::CImage:

Classes
class	CInitGDIPlus
struct	MYBITMAPINFOEX

Public Types
enum	{ createAlphaChannel = 1 }
enum	DIBOrientation { DIBOR_DEFAULT , DIBOR_TOPDOWN , DIBOR_BOTTOMUP }
enum	ExcludeFlags {   excludeGIF = 0x01 , excludeBMP = 0x02 , excludeEMF = 0x04 , excludeWMF = 0x08 ,   excludeJPEG = 0x10 , excludePNG = 0x20 , excludeTIFF = 0x40 , excludeIcon = 0x80 ,   excludeOther = 0x80000000 , excludeDefaultLoad = 0 , excludeDefaultSave = excludeIcon | excludeEMF | excludeWMF }

Public Member Functions
	CImage () noexcept
virtual	~CImage () noexcept
	operator HBITMAP () noexcept
void	Attach (HBITMAP hBitmap, DIBOrientation eOrientation=DIBOR_DEFAULT) noexcept
HBITMAP	Detach () noexcept
HDC	GetDC () const noexcept
void	ReleaseDC () const noexcept
BOOL	AlphaBlend (HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, BYTE bSrcAlpha=0xFF, BYTE bBlendOp=AC_SRC_OVER) const
BOOL	AlphaBlend (HDC hDestDC, int xDest, int yDest, BYTE bSrcAlpha=0xFF, BYTE bBlendOp=AC_SRC_OVER) const
BOOL	AlphaBlend (HDC hDestDC, const POINT &pointDest, BYTE bSrcAlpha=0xFF, BYTE bBlendOp=AC_SRC_OVER) const
BOOL	AlphaBlend (HDC hDestDC, const RECT &rectDest, const RECT &rectSrc, BYTE bSrcAlpha=0xFF, BYTE bBlendOp=AC_SRC_OVER) const
BOOL	BitBlt (HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight, int xSrc, int ySrc, DWORD dwROP=SRCCOPY) const noexcept
BOOL	BitBlt (HDC hDestDC, int xDest, int yDest, DWORD dwROP=SRCCOPY) const noexcept
BOOL	BitBlt (HDC hDestDC, const POINT &pointDest, DWORD dwROP=SRCCOPY) const noexcept
BOOL	BitBlt (HDC hDestDC, const RECT &rectDest, const POINT &pointSrc, DWORD dwROP=SRCCOPY) const noexcept
BOOL	Create (int nWidth, int nHeight, int nBPP, DWORD dwFlags=0) noexcept
BOOL	CreateEx (int nWidth, int nHeight, int nBPP, DWORD eCompression, const DWORD *pdwBitmasks=NULL, DWORD dwFlags=0) noexcept
void	Destroy () noexcept
BOOL	Draw (HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight) const noexcept
BOOL	Draw (HDC hDestDC, const RECT &rectDest, const RECT &rectSrc) const noexcept
BOOL	Draw (HDC hDestDC, int xDest, int yDest) const noexcept
BOOL	Draw (HDC hDestDC, const POINT &pointDest) const noexcept
BOOL	Draw (HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight) const noexcept
BOOL	Draw (HDC hDestDC, const RECT &rectDest) const noexcept
void *	GetBits () noexcept
const void *	GetBits () const noexcept
int	GetBPP () const noexcept
void	GetColorTable (UINT iFirstColor, UINT nColors, RGBQUAD *prgbColors) const noexcept
int	GetHeight () const noexcept
int	GetMaxColorTableEntries () const noexcept
int	GetPitch () const noexcept
COLORREF	GetPixel (int x, int y) const noexcept
void *	GetPixelAddress (int x, int y) noexcept
const void *	GetPixelAddress (int x, int y) const noexcept
COLORREF	GetTransparentColor () const noexcept
int	GetWidth () const noexcept
bool	IsDIBSection () const noexcept
bool	IsIndexed () const noexcept
bool	IsNull () const noexcept
HRESULT	Load (LPCTSTR pszFileName) noexcept
HRESULT	Load (IStream *pStream) noexcept
void	LoadFromResource (HINSTANCE hInstance, LPCTSTR pszResourceName) noexcept
void	LoadFromResource (HINSTANCE hInstance, UINT nIDResource) noexcept
BOOL	MaskBlt (HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight, int xSrc, int ySrc, HBITMAP hbmMask, int xMask, int yMask, DWORD dwROP=SRCCOPY) const noexcept
BOOL	MaskBlt (HDC hDestDC, const RECT &rectDest, const POINT &pointSrc, HBITMAP hbmMask, const POINT &pointMask, DWORD dwROP=SRCCOPY) const noexcept
BOOL	MaskBlt (HDC hDestDC, int xDest, int yDest, HBITMAP hbmMask, DWORD dwROP=SRCCOPY) const noexcept
BOOL	MaskBlt (HDC hDestDC, const POINT &pointDest, HBITMAP hbmMask, DWORD dwROP=SRCCOPY) const noexcept
BOOL	PlgBlt (HDC hDestDC, const POINT *pPoints, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, HBITMAP hbmMask=NULL, int xMask=0, int yMask=0) const noexcept
BOOL	PlgBlt (HDC hDestDC, const POINT *pPoints, HBITMAP hbmMask=NULL) const noexcept
BOOL	PlgBlt (HDC hDestDC, const POINT *pPoints, const RECT &rectSrc, HBITMAP hbmMask, const POINT &pointMask) const noexcept
BOOL	PlgBlt (HDC hDestDC, const POINT *pPoints, const RECT &rectSrc, HBITMAP hbmMask=NULL) const noexcept
HRESULT	Save (IStream *pStream, GUID *guidFileType) const noexcept
HRESULT	Save (LPCTSTR pszFileName, REFGUID guidFileType=GUID_NULL) const noexcept
void	SetColorTable (UINT iFirstColor, UINT nColors, const RGBQUAD *prgbColors) noexcept
void	SetPixel (int x, int y, COLORREF color) noexcept
void	SetPixelIndexed (int x, int y, int iIndex) noexcept
void	SetPixelRGB (int x, int y, BYTE r, BYTE g, BYTE b) noexcept
COLORREF	SetTransparentColor (COLORREF rgbTransparent) noexcept
BOOL	StretchBlt (HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, DWORD dwROP=SRCCOPY) const noexcept
BOOL	StretchBlt (HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight, DWORD dwROP=SRCCOPY) const noexcept
BOOL	StretchBlt (HDC hDestDC, const RECT &rectDest, DWORD dwROP=SRCCOPY) const noexcept
BOOL	StretchBlt (HDC hDestDC, const RECT &rectDest, const RECT &rectSrc, DWORD dwROP=SRCCOPY) const noexcept
BOOL	TransparentBlt (HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, UINT crTransparent=CLR_INVALID) const noexcept
BOOL	TransparentBlt (HDC hDestDC, int xDest, int yDest, int nDestWidth, int nDestHeight, UINT crTransparent=CLR_INVALID) const noexcept
BOOL	TransparentBlt (HDC hDestDC, const RECT &rectDest, UINT crTransparent=CLR_INVALID) const noexcept
BOOL	TransparentBlt (HDC hDestDC, const RECT &rectDest, const RECT &rectSrc, UINT crTransparent=CLR_INVALID) const noexcept

Static Public Member Functions
static void	ReleaseGDIPlus ()
static BOOL	IsTransparencySupported () noexcept
static HRESULT	GetImporterFilterString (CSimpleString &strImporters, CSimpleArray< GUID > &aguidFileTypes, LPCTSTR pszAllFilesDescription=NULL, DWORD dwExclude=excludeDefaultLoad, TCHAR chSeparator=TEXT('|'))
static HRESULT	GetExporterFilterString (CSimpleString &strExporters, CSimpleArray< GUID > &aguidFileTypes, LPCTSTR pszAllFilesDescription=NULL, DWORD dwExclude=excludeDefaultSave, TCHAR chSeparator=TEXT('|'))

Private Member Functions
LPCWSTR	GetFileExtension (LPCWSTR pszFileName) const
COLORREF	RGBFromPaletteIndex (int iIndex) const
void	AttachInternal (HBITMAP hBitmap, DIBOrientation eOrientation, LONG iTransColor) noexcept
BOOL	CreateInternal (int nWidth, int nHeight, int nBPP, DWORD eCompression, const DWORD *pdwBitmasks=NULL, DWORD dwFlags=0) noexcept
	CImage (const CImage &)=delete
CImage &	operator= (const CImage &)=delete

Static Private Member Functions
static bool	ShouldExcludeFormat (REFGUID guidFileType, DWORD dwExclude)
static HRESULT	BuildCodecFilterString (const Gdiplus::ImageCodecInfo *pCodecs, UINT cCodecs, CSimpleString &strFilter, CSimpleArray< GUID > &aguidFileTypes, LPCTSTR pszAllFilesDescription, DWORD dwExclude, TCHAR chSeparator)
static bool	InitGDIPlus () noexcept
static CLSID	FindCodecForExtension (LPCTSTR dotext, const Gdiplus::ImageCodecInfo *pCodecs, UINT nCodecs)
static CLSID	FindCodecForFileType (REFGUID guidFileType, const Gdiplus::ImageCodecInfo *pCodecs, UINT nCodecs)
static Gdiplus::ImageCodecInfo *	_getAllEncoders (UINT &cEncoders)
static Gdiplus::ImageCodecInfo *	_getAllDecoders (UINT &cDecoders)

Private Attributes
HBITMAP	m_hBitmap = NULL
HBITMAP	m_hOldBitmap = NULL
INT	m_nWidth = 0
INT	m_nHeight = 0
INT	m_nPitch = 0
INT	m_nBPP = 0
LPVOID	m_pBits = NULL
BOOL	m_bHasAlphaChannel = FALSE
BOOL	m_bIsDIBSection = FALSE
COLORREF	m_clrTransparentColor = CLR_INVALID
HDC	m_hDC = NULL
LONG	m_nDCRefCount = 0

Static Private Attributes
static CInitGDIPlus	s_gdiplus

Detailed Description

Definition at line 23 of file atlimage.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
createAlphaChannel

Definition at line 27 of file atlimage.h.

    {
        createAlphaChannel = 1      // enable alpha
    };

DIBOrientation

enum ATL::CImage::DIBOrientation

Enumerator
DIBOR_DEFAULT
DIBOR_TOPDOWN
DIBOR_BOTTOMUP

Definition at line 33 of file atlimage.h.

    {
        DIBOR_DEFAULT,              // default
        DIBOR_TOPDOWN,              // top-down DIB
        DIBOR_BOTTOMUP              // bottom-up DIB
    };

ExcludeFlags

enum ATL::CImage::ExcludeFlags

Enumerator
excludeGIF
excludeBMP
excludeEMF
excludeWMF
excludeJPEG
excludePNG
excludeTIFF
excludeIcon
excludeOther
excludeDefaultLoad
excludeDefaultSave

Definition at line 691 of file atlimage.h.

    {
        excludeGIF          = 0x01,
        excludeBMP          = 0x02,
        excludeEMF          = 0x04,
        excludeWMF          = 0x08,
        excludeJPEG         = 0x10,
        excludePNG          = 0x20,
        excludeTIFF         = 0x40,
        excludeIcon         = 0x80,
        excludeOther        = 0x80000000,
        excludeDefaultLoad  = 0,
        excludeDefaultSave  = excludeIcon | excludeEMF | excludeWMF
    };

Constructor & Destructor Documentation

CImage() [1/2]

ATL::CImage::CImage ( )

inlinenoexcept

Definition at line 40 of file atlimage.h.

    {
        s_gdiplus.IncreaseCImageCount();
    }

~CImage()

virtual ATL::CImage::~CImage ( )

inlinevirtualnoexcept

Definition at line 45 of file atlimage.h.

    {
        Destroy();
        s_gdiplus.DecreaseCImageCount();
    }

CImage() [2/2]

ATL::CImage::CImage ( const CImage &  )

privatedelete

Member Function Documentation

_getAllDecoders()

static Gdiplus::ImageCodecInfo * ATL::CImage::_getAllDecoders ( UINT &  cDecoders )

inlinestaticprivate

Definition at line 1104 of file atlimage.h.

    {
        UINT total_size = 0;
        s_gdiplus.GetImageDecodersSize(&cDecoders, &total_size);
        if (total_size == 0)
            return NULL;  // failure
 
        Gdiplus::ImageCodecInfo *ret;
        ret = new Gdiplus::ImageCodecInfo[total_size / sizeof(ret[0])];
        if (ret == NULL)
        {
            cDecoders = 0;
            return NULL;  // failure
        }
 
        s_gdiplus.GetImageDecoders(cDecoders, total_size, ret);
        return ret; // needs delete[]
    }

Referenced by GetImporterFilterString().

_getAllEncoders()

static Gdiplus::ImageCodecInfo * ATL::CImage::_getAllEncoders ( UINT &  cEncoders )

inlinestaticprivate

Definition at line 1085 of file atlimage.h.

    {
        UINT total_size = 0;
        s_gdiplus.GetImageEncodersSize(&cEncoders, &total_size);
        if (total_size == 0)
            return NULL;  // failure
 
        Gdiplus::ImageCodecInfo *ret;
        ret = new Gdiplus::ImageCodecInfo[total_size / sizeof(ret[0])];
        if (ret == NULL)
        {
            cEncoders = 0;
            return NULL;  // failure
        }
 
        s_gdiplus.GetImageEncoders(cEncoders, total_size, ret);
        return ret; // needs delete[]
    }

Referenced by GetExporterFilterString(), and Save().

AlphaBlend() [1/4]

BOOL ATL::CImage::AlphaBlend ( HDC  hDestDC, const POINT &  pointDest, BYTE  bSrcAlpha = 0xFF, BYTE  bBlendOp = AC_SRC_OVER  ) const

inline

Definition at line 146 of file atlimage.h.

    {
        return AlphaBlend(hDestDC, pointDest.x, pointDest.y, bSrcAlpha, bBlendOp);
    }

AlphaBlend() [2/4]

BOOL ATL::CImage::AlphaBlend ( HDC  hDestDC, const RECT &  rectDest, const RECT &  rectSrc, BYTE  bSrcAlpha = 0xFF, BYTE  bBlendOp = AC_SRC_OVER  ) const

inline

Definition at line 151 of file atlimage.h.

    {
        return AlphaBlend(hDestDC, rectDest.left, rectDest.top,
                          rectDest.right - rectDest.left,
                          rectDest.bottom - rectDest.top,
                          rectSrc.left, rectSrc.top,
                          rectSrc.right - rectSrc.left,
                          rectSrc.bottom - rectSrc.top,
                          bSrcAlpha, bBlendOp);
    }

AlphaBlend() [3/4]

BOOL ATL::CImage::AlphaBlend ( HDC  hDestDC, int  xDest, int  yDest, BYTE  bSrcAlpha = 0xFF, BYTE  bBlendOp = AC_SRC_OVER  ) const

inline

Definition at line 138 of file atlimage.h.

    {
        int width = GetWidth();
        int height = GetHeight();
        return AlphaBlend(hDestDC, xDest, yDest, width, height, 0, 0,
                          width, height, bSrcAlpha, bBlendOp);
    }

AlphaBlend() [4/4]

BOOL ATL::CImage::AlphaBlend ( HDC  hDestDC, int  xDest, int  yDest, int  nDestWidth, int  nDestHeight, int  xSrc, int  ySrc, int  nSrcWidth, int  nSrcHeight, BYTE  bSrcAlpha = 0xFF, BYTE  bBlendOp = AC_SRC_OVER  ) const

inline

Definition at line 119 of file atlimage.h.

    {
        ATLASSERT(IsTransparencySupported());
 
        BLENDFUNCTION bf;
        bf.BlendOp = bBlendOp;
        bf.BlendFlags = 0;
        bf.SourceConstantAlpha = bSrcAlpha;
        bf.AlphaFormat = AC_SRC_ALPHA;
 
        GetDC();
        BOOL ret = ::AlphaBlend(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                                m_hDC, xSrc, ySrc, nSrcWidth, nSrcHeight, bf);
        ReleaseDC();
        return ret;
    }

Attach()

void ATL::CImage::Attach ( HBITMAP  hBitmap, DIBOrientation  eOrientation = DIBOR_DEFAULT  )

inlinenoexcept

Definition at line 61 of file atlimage.h.

    {
        AttachInternal(hBitmap, eOrientation, -1);
    }

Referenced by Load(), LoadFromResource(), Test_BitmapEntry(), Test_CompatBitmapEntry(), and Test_DIBSectionEntry().

AttachInternal()

void ATL::CImage::AttachInternal ( HBITMAP  hBitmap, DIBOrientation  eOrientation, LONG  iTransColor  )

inlineprivatenoexcept

Definition at line 1123 of file atlimage.h.

    {
        Destroy();
 
        DIBSECTION ds;
        BITMAP& bm = ds.dsBm;
 
        m_bIsDIBSection = (::GetObjectW(hBitmap, sizeof(ds), &ds) == sizeof(ds));
 
        if (!m_bIsDIBSection && !::GetObjectW(hBitmap, sizeof(bm), &bm))
            return;
 
        m_hBitmap = hBitmap;
        m_nWidth = bm.bmWidth;
        m_nHeight = bm.bmHeight;
        m_nBPP = bm.bmBitsPixel;
        m_bHasAlphaChannel = (bm.bmBitsPixel == 32);
        m_clrTransparentColor = CLR_INVALID;
 
        m_nPitch = 0;
        m_pBits = NULL;
        if (m_bIsDIBSection)
        {
            if (eOrientation == DIBOR_DEFAULT)
                eOrientation = ((ds.dsBmih.biHeight < 0) ? DIBOR_TOPDOWN : DIBOR_BOTTOMUP);
 
            LPBYTE pb = (LPBYTE)bm.bmBits;
            if (eOrientation == DIBOR_BOTTOMUP)
            {
                m_nPitch = -bm.bmWidthBytes;
                m_pBits = pb + bm.bmWidthBytes * (m_nHeight - 1);
            }
            else
            {
                m_nPitch = bm.bmWidthBytes;
                m_pBits = pb;
            }
        }
    }

Referenced by Attach(), and CreateInternal().

BitBlt() [1/4]

BOOL ATL::CImage::BitBlt ( HDC  hDestDC, const POINT &  pointDest, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 179 of file atlimage.h.

    {
        return BitBlt(hDestDC, pointDest.x, pointDest.y, dwROP);
    }

BitBlt() [2/4]

BOOL ATL::CImage::BitBlt ( HDC  hDestDC, const RECT &  rectDest, const POINT &  pointSrc, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 184 of file atlimage.h.

    {
        return BitBlt(hDestDC, rectDest.left, rectDest.top,
                      rectDest.right - rectDest.left,
                      rectDest.bottom - rectDest.top,
                      pointSrc.x, pointSrc.y, dwROP);
    }

BitBlt() [3/4]

BOOL ATL::CImage::BitBlt ( HDC  hDestDC, int  xDest, int  yDest, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 173 of file atlimage.h.

    {
        return BitBlt(hDestDC, xDest, yDest,
                      GetWidth(), GetHeight(), 0, 0, dwROP);
    }

BitBlt() [4/4]

BOOL ATL::CImage::BitBlt ( HDC  hDestDC, int  xDest, int  yDest, int  nDestWidth, int  nDestHeight, int  xSrc, int  ySrc, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 163 of file atlimage.h.

    {
        GetDC();
        BOOL ret = ::BitBlt(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                            m_hDC, xSrc, ySrc, dwROP);
        ReleaseDC();
        return ret;
    }

Referenced by BitBlt().

BuildCodecFilterString()

static HRESULT ATL::CImage::BuildCodecFilterString ( const Gdiplus::ImageCodecInfo *  pCodecs, UINT  cCodecs, CSimpleString &  strFilter, CSimpleArray< GUID > &  aguidFileTypes, LPCTSTR  pszAllFilesDescription, DWORD  dwExclude, TCHAR  chSeparator  )

inlinestaticprivate

Definition at line 728 of file atlimage.h.

    {
        if (!pCodecs || !cCodecs)
        {
            strFilter += chSeparator;
            return E_FAIL;
        }
 
        if (pszAllFilesDescription)
        {
            strFilter += pszAllFilesDescription;
 
            BOOL bFirst = TRUE;
            CString extensions;
            for (UINT i = 0; i < cCodecs; ++i)
            {
                if (ShouldExcludeFormat(pCodecs[i].FormatID, dwExclude))
                    continue;
 
                if (bFirst)
                    bFirst = FALSE;
                else
                    extensions += TEXT(';');
 
                CString ext(pCodecs[i].FilenameExtension);
                extensions += ext;
            }
 
            strFilter += chSeparator;
            strFilter += extensions;
            strFilter += chSeparator;
 
            aguidFileTypes.Add(GUID_NULL);
        }
 
        for (UINT i = 0; i < cCodecs; ++i)
        {
            if (ShouldExcludeFormat(pCodecs[i].FormatID, dwExclude))
                continue;
 
            CString extensions(pCodecs[i].FilenameExtension);
 
            CString desc(pCodecs[i].FormatDescription);
            strFilter += desc;
            strFilter += TEXT(" (");
            strFilter += extensions;
            strFilter += TEXT(")");
            strFilter += chSeparator;
            strFilter += extensions;
            strFilter += chSeparator;
 
            aguidFileTypes.Add(pCodecs[i].FormatID);
        }
 
        strFilter += chSeparator;
        return S_OK;
    }

Referenced by GetExporterFilterString(), and GetImporterFilterString().

Create()

BOOL ATL::CImage::Create ( int  nWidth, int  nHeight, int  nBPP, DWORD  dwFlags = 0  )

inlinenoexcept

Definition at line 193 of file atlimage.h.

    {
        return CreateEx(nWidth, nHeight, nBPP, BI_RGB, NULL, dwFlags);
    }

CreateEx()

BOOL ATL::CImage::CreateEx ( int  nWidth, int  nHeight, int  nBPP, DWORD  eCompression, const DWORD *  pdwBitmasks = NULL, DWORD  dwFlags = 0  )

inlinenoexcept

Definition at line 198 of file atlimage.h.

    {
        return CreateInternal(nWidth, nHeight, nBPP, eCompression, pdwBitmasks, dwFlags);
    }

Referenced by Create().

CreateInternal()

BOOL ATL::CImage::CreateInternal ( int  nWidth, int  nHeight, int  nBPP, DWORD  eCompression, const DWORD *  pdwBitmasks = NULL, DWORD  dwFlags = 0  )

inlineprivatenoexcept

Definition at line 1164 of file atlimage.h.

    {
        ATLASSERT(nWidth != 0);
        ATLASSERT(nHeight != 0);
 
        // initialize BITMAPINFO extension
        MYBITMAPINFOEX bi;
        ZeroMemory(&bi, sizeof(bi));
        bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
        bi.bmiHeader.biWidth = nWidth;
        bi.bmiHeader.biHeight = nHeight;
        bi.bmiHeader.biPlanes = 1;
        bi.bmiHeader.biBitCount = nBPP;
        bi.bmiHeader.biCompression = eCompression;
 
        // is there alpha channel?
        bool bHasAlphaCh;
        bHasAlphaCh = (nBPP == 32 && (dwFlags & createAlphaChannel));
 
        // get orientation
        DIBOrientation eOrientation;
        eOrientation = ((nHeight > 0) ? DIBOR_BOTTOMUP : DIBOR_TOPDOWN);
 
        // does it have bit fields?
        if (eCompression == BI_BITFIELDS)
        {
            if (nBPP == 16 || nBPP == 32)
            {
                // store the mask data
                LPDWORD pdwMask = reinterpret_cast<LPDWORD>(bi.bmiColors);
                pdwMask[0] = pdwBitmasks[0];
                pdwMask[1] = pdwBitmasks[1];
                pdwMask[2] = pdwBitmasks[2];
            }
            else
            {
                return FALSE;
            }
        }
        else
        {
            ATLASSERT(pdwBitmasks == NULL);
            if (pdwBitmasks)
                return FALSE;
        }
 
        // create a DIB section
        HDC hDC = ::CreateCompatibleDC(NULL);
        ATLASSERT(hDC);
        HBITMAP hbm = ::CreateDIBSection(hDC, &bi, DIB_RGB_COLORS, NULL, NULL, 0);
        ATLASSERT(hbm);
        ::DeleteDC(hDC);
 
        // attach it
        AttachInternal(hbm, eOrientation, -1);
        m_bHasAlphaChannel = bHasAlphaCh;
 
        return hbm != NULL;
    }

Referenced by CreateEx().

Destroy()

void ATL::CImage::Destroy ( )

inlinenoexcept

Definition at line 204 of file atlimage.h.

    {
        if (m_hBitmap)
        {
            ::DeleteObject(Detach());
        }
    }

Referenced by AttachInternal(), and ~CImage().

Detach()

HBITMAP ATL::CImage::Detach ( )

inlinenoexcept

Definition at line 66 of file atlimage.h.

    {
        m_hOldBitmap = NULL;
        m_nWidth = m_nHeight = m_nPitch = m_nBPP = 0;
        m_pBits = NULL;
 
        m_bHasAlphaChannel = m_bIsDIBSection = FALSE;
        m_clrTransparentColor = CLR_INVALID;
 
        HBITMAP hBitmap = m_hBitmap;
        m_hBitmap = NULL;
        return hBitmap;
    }

Referenced by Destroy().

Draw() [1/6]

BOOL ATL::CImage::Draw ( HDC  hDestDC, const POINT &  pointDest  ) const

inlinenoexcept

Definition at line 250 of file atlimage.h.

    {
        return Draw(hDestDC, pointDest.x, pointDest.y);
    }

Draw() [2/6]

BOOL ATL::CImage::Draw ( HDC  hDestDC, const RECT &  rectDest  ) const

inlinenoexcept

Definition at line 260 of file atlimage.h.

    {
        return Draw(hDestDC, rectDest.left, rectDest.top,
                    rectDest.right - rectDest.left,
                    rectDest.bottom - rectDest.top);
    }

Draw() [3/6]

BOOL ATL::CImage::Draw ( HDC  hDestDC, const RECT &  rectDest, const RECT &  rectSrc  ) const

inlinenoexcept

Definition at line 237 of file atlimage.h.

    {
        return Draw(hDestDC, rectDest.left, rectDest.top,
                    rectDest.right - rectDest.left,
                    rectDest.bottom - rectDest.top,
                    rectSrc.left, rectSrc.top,
                    rectSrc.right - rectSrc.left,
                    rectSrc.bottom - rectSrc.top);
    }

Draw() [4/6]

BOOL ATL::CImage::Draw ( HDC  hDestDC, int  xDest, int  yDest  ) const

inlinenoexcept

Definition at line 246 of file atlimage.h.

    {
        return Draw(hDestDC, xDest, yDest, GetWidth(), GetHeight());
    }

Draw() [5/6]

BOOL ATL::CImage::Draw ( HDC  hDestDC, int  xDest, int  yDest, int  nDestWidth, int  nDestHeight  ) const

inlinenoexcept

Definition at line 254 of file atlimage.h.

    {
        return Draw(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                    0, 0, GetWidth(), GetHeight());
    }

Draw() [6/6]

BOOL ATL::CImage::Draw ( HDC  hDestDC, int  xDest, int  yDest, int  nDestWidth, int  nDestHeight, int  xSrc, int  ySrc, int  nSrcWidth, int  nSrcHeight  ) const

inlinenoexcept

Definition at line 212 of file atlimage.h.

    {
        ATLASSERT(IsTransparencySupported());
        if (m_bHasAlphaChannel)
        {
            return AlphaBlend(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                              xSrc, ySrc, nSrcWidth, nSrcHeight);
        }
        else if (m_clrTransparentColor != CLR_INVALID)
        {
            COLORREF rgb;
            if ((m_clrTransparentColor & 0xFF000000) == 0x01000000)
                rgb = RGBFromPaletteIndex(m_clrTransparentColor & 0xFF);
            else
                rgb = m_clrTransparentColor;
            return TransparentBlt(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                                  xSrc, ySrc, nSrcWidth, nSrcHeight, rgb);
        }
        else
        {
            return StretchBlt(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                              xSrc, ySrc, nSrcWidth, nSrcHeight);
        }
    }

Referenced by Draw().

FindCodecForExtension()

static CLSID ATL::CImage::FindCodecForExtension ( LPCTSTR  dotext, const Gdiplus::ImageCodecInfo *  pCodecs, UINT  nCodecs  )

inlinestaticprivate

Definition at line 1042 of file atlimage.h.

    {
        for (UINT i = 0; i < nCodecs; ++i)
        {
            CString strSpecs(pCodecs[i].FilenameExtension);
            int ichOld = 0, ichSep;
            for (;;)
            {
                ichSep = strSpecs.Find(TEXT(';'), ichOld);
 
                CString strSpec;
                if (ichSep < 0)
                    strSpec = strSpecs.Mid(ichOld);
                else
                    strSpec = strSpecs.Mid(ichOld, ichSep - ichOld);
 
                int ichDot = strSpec.ReverseFind(TEXT('.'));
                if (ichDot >= 0)
                    strSpec = strSpec.Mid(ichDot);
 
                if (!dotext || strSpec.CompareNoCase(dotext) == 0)
                    return pCodecs[i].Clsid;
 
                if (ichSep < 0)
                    break;
 
                ichOld = ichSep + 1;
            }
        }
        return CLSID_NULL;
    }

Referenced by Save().

FindCodecForFileType()

static CLSID ATL::CImage::FindCodecForFileType ( REFGUID  guidFileType, const Gdiplus::ImageCodecInfo *  pCodecs, UINT  nCodecs  )

inlinestaticprivate

Definition at line 1075 of file atlimage.h.

    {
        for (UINT iInfo = 0; iInfo < nCodecs; ++iInfo)
        {
            if (::IsEqualGUID(pCodecs[iInfo].FormatID, guidFileType))
                return pCodecs[iInfo].Clsid;
        }
        return CLSID_NULL;
    }

Referenced by Save().

GetBits() [1/2]

const void * ATL::CImage::GetBits ( ) const

inlinenoexcept

Definition at line 273 of file atlimage.h.

    {
        return const_cast<CImage*>(this)->GetBits();
    }

GetBits() [2/2]

void * ATL::CImage::GetBits ( )

inlinenoexcept

Definition at line 267 of file atlimage.h.

    {
        ATLASSERT(IsDIBSection());
        return m_pBits;
    }

Referenced by GetBits(), GetPixelAddress(), and Test_DIBSectionEntry().

GetBPP()

int ATL::CImage::GetBPP ( ) const

inlinenoexcept

Definition at line 278 of file atlimage.h.

    {
        ATLASSERT(m_hBitmap);
        return m_nBPP;
    }

Referenced by GetPixelAddress(), IsIndexed(), Test_BitmapEntry(), Test_DIBSectionEntry(), and Test_ResBitmap().

GetColorTable()

void ATL::CImage::GetColorTable ( UINT  iFirstColor, UINT  nColors, RGBQUAD *  prgbColors  ) const

inlinenoexcept

Definition at line 284 of file atlimage.h.

    {
        ATLASSERT(IsDIBSection());
        GetDC();
        ::GetDIBColorTable(m_hDC, iFirstColor, nColors, prgbColors);
        ReleaseDC();
    }

Referenced by RGBFromPaletteIndex(), and Test_DIBSectionEntry().

GetDC()

HDC ATL::CImage::GetDC ( ) const

inlinenoexcept

Definition at line 80 of file atlimage.h.

    {
        ATLASSERT(m_nDCRefCount >= 0);
        if (::InterlockedIncrement(&m_nDCRefCount) == 1)
        {
            ATLASSERT(m_hDC == NULL);
            ATLASSERT(m_hOldBitmap == NULL);
 
            m_hDC = ::CreateCompatibleDC(NULL);
            ATLASSERT(m_hDC != NULL);
 
            m_hOldBitmap = (HBITMAP)::SelectObject(m_hDC, m_hBitmap);
            ATLASSERT(m_hOldBitmap != NULL);
        }
 
        return m_hDC;
    }

Referenced by AlphaBlend(), BitBlt(), GetColorTable(), GetPixel(), MaskBlt(), PlgBlt(), SetColorTable(), SetPixel(), SetPixelIndexed(), StretchBlt(), Test_DIBSectionEntry(), and TransparentBlt().

GetExporterFilterString()

static HRESULT ATL::CImage::GetExporterFilterString ( CSimpleString &  strExporters, CSimpleArray< GUID > &  aguidFileTypes, LPCTSTR  pszAllFilesDescription = NULL, DWORD  dwExclude = excludeDefaultSave, TCHAR  chSeparator = TEXT('|')  )

inlinestatic

Definition at line 817 of file atlimage.h.

    {
        if (!InitGDIPlus())
            return E_FAIL;
 
        UINT cEncoders = 0;
        Gdiplus::ImageCodecInfo* pEncoders = _getAllEncoders(cEncoders);
        HRESULT hr = BuildCodecFilterString(pEncoders,
                                            cEncoders,
                                            strExporters,
                                            aguidFileTypes,
                                            pszAllFilesDescription,
                                            dwExclude,
                                            chSeparator);
        delete[] pEncoders;
        return hr;
    }

Referenced by CMainWindow::GetSaveFileName(), and Test_Exporter().

GetFileExtension()

LPCWSTR ATL::CImage::GetFileExtension ( LPCWSTR  pszFileName ) const

inlineprivate

Definition at line 1024 of file atlimage.h.

    {
        LPCWSTR pch = wcsrchr(pszFileName, L'\\');
        if (pch == NULL)
            pch = wcsrchr(pszFileName, L'/');
        pch = (pch ? wcsrchr(pch, L'.') : wcsrchr(pszFileName, L'.'));
        return (pch ? pch : (pszFileName + ::lstrlenW(pszFileName)));
    }

Referenced by Save().

GetHeight()

int ATL::CImage::GetHeight ( ) const

inlinenoexcept

Definition at line 293 of file atlimage.h.

    {
        ATLASSERT(m_hBitmap);
        return m_nHeight;
    }

Referenced by AlphaBlend(), BitBlt(), Draw(), MaskBlt(), PlgBlt(), StretchBlt(), Test_BitmapEntry(), Test_CompatBitmapEntry(), Test_DIBSectionEntry(), Test_ResBitmap(), and TransparentBlt().

GetImporterFilterString()

static HRESULT ATL::CImage::GetImporterFilterString ( CSimpleString &  strImporters, CSimpleArray< GUID > &  aguidFileTypes, LPCTSTR  pszAllFilesDescription = NULL, DWORD  dwExclude = excludeDefaultLoad, TCHAR  chSeparator = TEXT('|')  )

inlinestatic

Definition at line 794 of file atlimage.h.

    {
        if (!InitGDIPlus())
            return E_FAIL;
 
        UINT cDecoders = 0;
        Gdiplus::ImageCodecInfo* pDecoders = _getAllDecoders(cDecoders);
        HRESULT hr = BuildCodecFilterString(pDecoders,
                                            cDecoders,
                                            strImporters,
                                            aguidFileTypes,
                                            pszAllFilesDescription,
                                            dwExclude,
                                            chSeparator);
        delete[] pDecoders;
        return hr;
    }

Referenced by CMainWindow::GetOpenFileName(), and Test_Importer().

GetMaxColorTableEntries()

int ATL::CImage::GetMaxColorTableEntries ( ) const

inlinenoexcept

Definition at line 299 of file atlimage.h.

    {
        ATLASSERT(IsDIBSection());
        switch (m_nBPP)
        {
            case 1: case 4: case 8:
                return (1 << m_nBPP);
 
            case 16: case 24: case 32:
            default:
                return 0;
        }
    }

Referenced by Test_DIBSectionEntry().

GetPitch()

int ATL::CImage::GetPitch ( ) const

inlinenoexcept

Definition at line 313 of file atlimage.h.

    {
        ATLASSERT(IsDIBSection());
        return m_nPitch;
    }

Referenced by GetPixelAddress(), Test_DIBSectionEntry(), and Test_ResBitmap().

GetPixel()

COLORREF ATL::CImage::GetPixel ( int  x, int  y  ) const

inlinenoexcept

Definition at line 319 of file atlimage.h.

    {
        GetDC();
        COLORREF ret = ::GetPixel(m_hDC, x, y);
        ReleaseDC();
        return ret;
    }

Referenced by GetPixel(), and Test_DIBSectionEntry().

GetPixelAddress() [1/2]

const void * ATL::CImage::GetPixelAddress ( int  x, int  y  ) const

inlinenoexcept

Definition at line 336 of file atlimage.h.

    {
        return const_cast<CImage*>(this)->GetPixelAddress(x, y);
    }

GetPixelAddress() [2/2]

void * ATL::CImage::GetPixelAddress ( int  x, int  y  )

inlinenoexcept

Definition at line 327 of file atlimage.h.

    {
        ATLASSERT(IsDIBSection());
        BYTE *pb = (BYTE *)GetBits();
        pb += GetPitch() * y;
        pb += (GetBPP() * x) / 8;
        return pb;
    }

Referenced by GetPixelAddress(), and Test_PixelAddress().

GetTransparentColor()

COLORREF ATL::CImage::GetTransparentColor ( ) const

inlinenoexcept

Definition at line 341 of file atlimage.h.

    {
        return m_clrTransparentColor;
    }

Referenced by Test_DIBSectionEntry().

GetWidth()

int ATL::CImage::GetWidth ( ) const

inlinenoexcept

Definition at line 346 of file atlimage.h.

    {
        ATLASSERT(m_hBitmap);
        return m_nWidth;
    }

Referenced by AlphaBlend(), BitBlt(), Draw(), MaskBlt(), PlgBlt(), StretchBlt(), Test_BitmapEntry(), Test_CompatBitmapEntry(), Test_DIBSectionEntry(), Test_ResBitmap(), and TransparentBlt().

InitGDIPlus()

static bool ATL::CImage::InitGDIPlus ( )

inlinestaticprivatenoexcept

Definition at line 1005 of file atlimage.h.

    {
        return s_gdiplus.Init();
    }

Referenced by GetExporterFilterString(), GetImporterFilterString(), Load(), and Save().

IsDIBSection()

bool ATL::CImage::IsDIBSection ( ) const

inlinenoexcept

Definition at line 352 of file atlimage.h.

    {
        ATLASSERT(m_hBitmap);
        return m_bIsDIBSection;
    }

Referenced by GetBits(), GetColorTable(), GetMaxColorTableEntries(), GetPitch(), GetPixelAddress(), IsIndexed(), SetColorTable(), Test_BitmapEntry(), Test_CompatBitmapEntry(), and Test_DIBSectionEntry().

IsIndexed()

bool ATL::CImage::IsIndexed ( ) const

inlinenoexcept

Definition at line 358 of file atlimage.h.

    {
        ATLASSERT(IsDIBSection());
        return GetBPP() <= 8;
    }

Referenced by SetPixelIndexed().

IsNull()

bool ATL::CImage::IsNull ( ) const

inlinenoexcept

Definition at line 364 of file atlimage.h.

    {
        return m_hBitmap == NULL;
    }

Referenced by Test_BitmapEntry(), Test_CompatBitmapEntry(), Test_DIBSectionEntry(), and Test_ResBitmap().

IsTransparencySupported()

static BOOL ATL::CImage::IsTransparencySupported ( )

inlinestaticnoexcept

Definition at line 686 of file atlimage.h.

    {
        return TRUE;
    }

Referenced by AlphaBlend(), Draw(), MaskBlt(), PlgBlt(), and TransparentBlt().

Load() [1/2]

HRESULT ATL::CImage::Load ( IStream *  pStream )

inlinenoexcept

Definition at line 398 of file atlimage.h.

    {
        if (!InitGDIPlus())
            return E_FAIL;
 
        // create GpBitmap from stream
        using namespace Gdiplus;
        GpBitmap *pBitmap = NULL;
        if (s_gdiplus.CreateBitmapFromStream(pStream, &pBitmap) != Ok)
        {
            return E_FAIL;
        }
 
        // get bitmap handle
        HBITMAP hbm = NULL;
        Color color(0xFF, 0xFF, 0xFF);
        Status status = s_gdiplus.CreateHBITMAPFromBitmap(pBitmap, &hbm, color.GetValue());
 
        // delete Bitmap
        s_gdiplus.DisposeImage(pBitmap);
 
        // attach it
        if (status == Ok)
            Attach(hbm);
        return (status == Ok ? S_OK : E_FAIL);
    }

Load() [2/2]

HRESULT ATL::CImage::Load ( LPCTSTR  pszFileName )

inlinenoexcept

Definition at line 369 of file atlimage.h.

    {
        if (!InitGDIPlus())
            return E_FAIL;
 
        // convert the file name string into Unicode
        CStringW pszNameW(pszFileName);
 
        // create a GpBitmap object from file
        using namespace Gdiplus;
        GpBitmap *pBitmap = NULL;
        if (s_gdiplus.CreateBitmapFromFile(pszNameW, &pBitmap) != Ok)
        {
            return E_FAIL;
        }
 
        // get bitmap handle
        HBITMAP hbm = NULL;
        Color color(0xFF, 0xFF, 0xFF);
        Status status = s_gdiplus.CreateHBITMAPFromBitmap(pBitmap, &hbm, color.GetValue());
 
        // delete GpBitmap
        s_gdiplus.DisposeImage(pBitmap);
 
        // attach it
        if (status == Ok)
            Attach(hbm);
        return (status == Ok ? S_OK : E_FAIL);
    }

Referenced by Test_DIBSectionEntry().

LoadFromResource() [1/2]

void ATL::CImage::LoadFromResource ( HINSTANCE  hInstance, LPCTSTR  pszResourceName  )

inlinenoexcept

Definition at line 426 of file atlimage.h.

    {
        HANDLE hHandle = ::LoadImage(hInstance, pszResourceName,
                                     IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION);
        Attach(reinterpret_cast<HBITMAP>(hHandle));
    }

Referenced by LoadFromResource(), and Test_ResBitmap().

LoadFromResource() [2/2]

void ATL::CImage::LoadFromResource ( HINSTANCE  hInstance, UINT  nIDResource  )

inlinenoexcept

Definition at line 432 of file atlimage.h.

    {
        LoadFromResource(hInstance, MAKEINTRESOURCE(nIDResource));
    }

MaskBlt() [1/4]

BOOL ATL::CImage::MaskBlt ( HDC  hDestDC, const POINT &  pointDest, HBITMAP  hbmMask, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 464 of file atlimage.h.

    {
        return MaskBlt(hDestDC, pointDest.x, pointDest.y, hbmMask, dwROP);
    }

MaskBlt() [2/4]

BOOL ATL::CImage::MaskBlt ( HDC  hDestDC, const RECT &  rectDest, const POINT &  pointSrc, HBITMAP  hbmMask, const POINT &  pointMask, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 450 of file atlimage.h.

    {
        return MaskBlt(hDestDC, rectDest.left, rectDest.top,
            rectDest.right - rectDest.left, rectDest.bottom - rectDest.top,
            pointSrc.x, pointSrc.y, hbmMask, pointMask.x, pointMask.y, dwROP);
    }

MaskBlt() [3/4]

BOOL ATL::CImage::MaskBlt ( HDC  hDestDC, int  xDest, int  yDest, HBITMAP  hbmMask, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 458 of file atlimage.h.

    {
        return MaskBlt(hDestDC, xDest, yDest, GetWidth(), GetHeight(),
                       0, 0, hbmMask, 0, 0, dwROP);
    }

MaskBlt() [4/4]

BOOL ATL::CImage::MaskBlt ( HDC  hDestDC, int  xDest, int  yDest, int  nDestWidth, int  nDestHeight, int  xSrc, int  ySrc, HBITMAP  hbmMask, int  xMask, int  yMask, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 437 of file atlimage.h.

    {
        ATLASSERT(IsTransparencySupported());
        GetDC();
        BOOL ret = ::MaskBlt(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                             m_hDC, xSrc, ySrc,
                             hbmMask, xMask, yMask, dwROP);
        ReleaseDC();
        return ret;
    }

Referenced by MaskBlt().

operator HBITMAP()

ATL::CImage::operator HBITMAP ( )

inlinenoexcept

Definition at line 51 of file atlimage.h.

    {
        return m_hBitmap;
    }

operator=()

CImage & ATL::CImage::operator= ( const CImage &  )

privatedelete

PlgBlt() [1/4]

BOOL ATL::CImage::PlgBlt ( HDC  hDestDC, const POINT *  pPoints, const RECT &  rectSrc, HBITMAP  hbmMask, const POINT &  pointMask  ) const

inlinenoexcept

Definition at line 489 of file atlimage.h.

    {
        return PlgBlt(hDestDC, pPoints, rectSrc.left, rectSrc.top,
            rectSrc.right - rectSrc.left, rectSrc.bottom - rectSrc.top,
            hbmMask, pointMask.x, pointMask.y);
    }

PlgBlt() [2/4]

BOOL ATL::CImage::PlgBlt ( HDC  hDestDC, const POINT *  pPoints, const RECT &  rectSrc, HBITMAP  hbmMask = NULL  ) const

inlinenoexcept

Definition at line 496 of file atlimage.h.

    {
        POINT pointMask = {0, 0};
        return PlgBlt(hDestDC, pPoints, rectSrc, hbmMask, pointMask);
    }

PlgBlt() [3/4]

BOOL ATL::CImage::PlgBlt ( HDC  hDestDC, const POINT *  pPoints, HBITMAP  hbmMask = NULL  ) const

inlinenoexcept

Definition at line 483 of file atlimage.h.

    {
        return PlgBlt(hDestDC, pPoints, 0, 0, GetWidth(), GetHeight(),
                      hbmMask);
    }

PlgBlt() [4/4]

BOOL ATL::CImage::PlgBlt ( HDC  hDestDC, const POINT *  pPoints, int  xSrc, int  ySrc, int  nSrcWidth, int  nSrcHeight, HBITMAP  hbmMask = NULL, int  xMask = 0, int  yMask = 0  ) const

inlinenoexcept

Definition at line 470 of file atlimage.h.

    {
        ATLASSERT(IsTransparencySupported());
        GetDC();
        BOOL ret = ::PlgBlt(hDestDC, pPoints, m_hDC,
                            xSrc, ySrc, nSrcWidth, nSrcHeight,
                            hbmMask, xMask, yMask);
        ReleaseDC();
        return ret;
    }

Referenced by PlgBlt().

ReleaseDC()

void ATL::CImage::ReleaseDC ( ) const

inlinenoexcept

Definition at line 98 of file atlimage.h.

    {
        ATLASSERT(m_nDCRefCount > 0);
 
        if (::InterlockedDecrement(&m_nDCRefCount) != 0)
            return;
 
        if (m_hOldBitmap)
        {
            ATLASSERT(m_hDC != NULL);
            ::SelectObject(m_hDC, m_hOldBitmap);
            m_hOldBitmap = NULL;
        }
 
        if (m_hDC)
        {
            ::DeleteDC(m_hDC);
            m_hDC = NULL;
        }
    }

Referenced by AlphaBlend(), BitBlt(), GetColorTable(), GetPixel(), MaskBlt(), PlgBlt(), SetColorTable(), SetPixel(), SetPixelIndexed(), StretchBlt(), Test_DIBSectionEntry(), TransparentBlt(), and ATL::CImageDC::~CImageDC().

ReleaseGDIPlus()

static void ATL::CImage::ReleaseGDIPlus ( )

inlinestatic

Definition at line 56 of file atlimage.h.

    {
        s_gdiplus.ReleaseGDIPlus();
    }

RGBFromPaletteIndex()

COLORREF ATL::CImage::RGBFromPaletteIndex ( int  iIndex ) const

inlineprivate

Definition at line 1033 of file atlimage.h.

    {
        RGBQUAD table[256];
        GetColorTable(0, 256, table);
        RGBQUAD& quad =  table[iIndex];
        return RGB(quad.rgbRed, quad.rgbGreen, quad.rgbBlue);
    }

Referenced by Draw().

Save() [1/2]

HRESULT ATL::CImage::Save ( IStream *  pStream, GUID *  guidFileType  ) const

inlinenoexcept

Definition at line 503 of file atlimage.h.

    {
        if (!InitGDIPlus())
            return E_FAIL;
 
        using namespace Gdiplus;
        ATLASSERT(m_hBitmap);
 
        // Get encoders
        UINT cEncoders = 0;
        ImageCodecInfo* pEncoders = _getAllEncoders(cEncoders);
 
        // Get Codec
        CLSID clsid = FindCodecForFileType(*guidFileType, pEncoders, cEncoders);
        delete[] pEncoders;
 
        // create a GpBitmap from HBITMAP
        GpBitmap *pBitmap = NULL;
        s_gdiplus.CreateBitmapFromHBITMAP(m_hBitmap, NULL, &pBitmap);
 
        // save to stream
        Status status;
        status = s_gdiplus.SaveImageToStream(pBitmap, pStream, &clsid, NULL);
 
        // destroy GpBitmap
        s_gdiplus.DisposeImage(pBitmap);
 
        return (status == Ok ? S_OK : E_FAIL);
    }

Referenced by Test_DIBSectionEntry().

Save() [2/2]

HRESULT ATL::CImage::Save ( LPCTSTR  pszFileName, REFGUID  guidFileType = GUID_NULL  ) const

inlinenoexcept

Definition at line 533 of file atlimage.h.

    {
        if (!InitGDIPlus())
            return E_FAIL;
 
        using namespace Gdiplus;
        ATLASSERT(m_hBitmap);
 
        // convert the file name string into Unicode
        CStringW pszNameW(pszFileName);
 
        // Get encoders
        UINT cEncoders = 0;
        ImageCodecInfo* pEncoders = _getAllEncoders(cEncoders);
 
        // if the file type is null, get the file type from extension
        CLSID clsid;
        if (::IsEqualGUID(guidFileType, GUID_NULL))
        {
            CString strExt(GetFileExtension(pszNameW));
            clsid = FindCodecForExtension(strExt, pEncoders, cEncoders);
        }
        else
        {
            clsid = FindCodecForFileType(guidFileType, pEncoders, cEncoders);
        }
        delete[] pEncoders;
 
        // create a GpBitmap from HBITMAP
        GpBitmap *pBitmap = NULL;
        s_gdiplus.CreateBitmapFromHBITMAP(m_hBitmap, NULL, &pBitmap);
 
        // save to file
        Status status = s_gdiplus.SaveImageToFile(pBitmap, pszNameW, &clsid, NULL);
 
        // destroy GpBitmap
        s_gdiplus.DisposeImage(pBitmap);
 
        return (status == Ok ? S_OK : E_FAIL);
    }

SetColorTable()

void ATL::CImage::SetColorTable ( UINT  iFirstColor, UINT  nColors, const RGBQUAD *  prgbColors  )

inlinenoexcept

Definition at line 575 of file atlimage.h.

    {
        ATLASSERT(IsDIBSection());
        GetDC();
        ::SetDIBColorTable(m_hDC, iFirstColor, nColors, prgbColors);
        ReleaseDC();
    }

SetPixel()

void ATL::CImage::SetPixel ( int  x, int  y, COLORREF  color  )

inlinenoexcept

Definition at line 584 of file atlimage.h.

    {
        GetDC();
        ::SetPixelV(m_hDC, x, y, color);
        ReleaseDC();
    }

Referenced by SetPixelRGB(), and Test_DIBSectionEntry().

SetPixelIndexed()

void ATL::CImage::SetPixelIndexed ( int  x, int  y, int  iIndex  )

inlinenoexcept

Definition at line 591 of file atlimage.h.

    {
        ATLASSERT(IsIndexed());
        GetDC();
        ::SetPixelV(m_hDC, x, y, PALETTEINDEX(iIndex));
        ReleaseDC();
    }

SetPixelRGB()

void ATL::CImage::SetPixelRGB ( int  x, int  y, BYTE  r, BYTE  g, BYTE  b  )

inlinenoexcept

Definition at line 599 of file atlimage.h.

    {
        SetPixel(x, y, RGB(r, g, b));
    }

SetTransparentColor()

COLORREF ATL::CImage::SetTransparentColor ( COLORREF  rgbTransparent )

inlinenoexcept

Definition at line 604 of file atlimage.h.

    {
        ATLASSERT(m_hBitmap);
        COLORREF rgbOldColor = m_clrTransparentColor;
        m_clrTransparentColor = rgbTransparent;
        return rgbOldColor;
    }

ShouldExcludeFormat()

static bool ATL::CImage::ShouldExcludeFormat ( REFGUID  guidFileType, DWORD  dwExclude  )

inlinestaticprivate

Definition at line 707 of file atlimage.h.

    {
        if (::IsEqualGUID(guidFileType, Gdiplus::ImageFormatGIF))
            return !!(dwExclude & excludeGIF);
        if (::IsEqualGUID(guidFileType, Gdiplus::ImageFormatBMP))
            return !!(dwExclude & excludeBMP);
        if (::IsEqualGUID(guidFileType, Gdiplus::ImageFormatEMF))
            return !!(dwExclude & excludeEMF);
        if (::IsEqualGUID(guidFileType, Gdiplus::ImageFormatWMF))
            return !!(dwExclude & excludeWMF);
        if (::IsEqualGUID(guidFileType, Gdiplus::ImageFormatJPEG))
            return !!(dwExclude & excludeJPEG);
        if (::IsEqualGUID(guidFileType, Gdiplus::ImageFormatPNG))
            return !!(dwExclude & excludePNG);
        if (::IsEqualGUID(guidFileType, Gdiplus::ImageFormatTIFF))
            return !!(dwExclude & excludeTIFF);
        if (::IsEqualGUID(guidFileType, Gdiplus::ImageFormatIcon))
            return !!(dwExclude & excludeIcon);
        return ((dwExclude & excludeOther) == excludeOther);
    }

Referenced by BuildCodecFilterString().

StretchBlt() [1/4]

BOOL ATL::CImage::StretchBlt ( HDC  hDestDC, const RECT &  rectDest, const RECT &  rectSrc, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 637 of file atlimage.h.

    {
        return StretchBlt(hDestDC, rectDest.left, rectDest.top,
                          rectDest.right - rectDest.left,
                          rectDest.bottom - rectDest.top,
                          rectSrc.left, rectSrc.top,
                          rectSrc.right - rectSrc.left,
                          rectSrc.bottom - rectSrc.top, dwROP);
    }

StretchBlt() [2/4]

BOOL ATL::CImage::StretchBlt ( HDC  hDestDC, const RECT &  rectDest, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 630 of file atlimage.h.

    {
        return StretchBlt(hDestDC, rectDest.left, rectDest.top,
                          rectDest.right - rectDest.left,
                          rectDest.bottom - rectDest.top, dwROP);
    }

StretchBlt() [3/4]

BOOL ATL::CImage::StretchBlt ( HDC  hDestDC, int  xDest, int  yDest, int  nDestWidth, int  nDestHeight, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 623 of file atlimage.h.

    {
        return StretchBlt(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                          0, 0, GetWidth(), GetHeight(), dwROP);
    }

StretchBlt() [4/4]

BOOL ATL::CImage::StretchBlt ( HDC  hDestDC, int  xDest, int  yDest, int  nDestWidth, int  nDestHeight, int  xSrc, int  ySrc, int  nSrcWidth, int  nSrcHeight, DWORD  dwROP = SRCCOPY  ) const

inlinenoexcept

Definition at line 612 of file atlimage.h.

    {
        GetDC();
        BOOL ret = ::StretchBlt(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                                m_hDC, xSrc, ySrc, nSrcWidth, nSrcHeight, dwROP);
        ReleaseDC();
        return ret;
    }

Referenced by Draw(), and StretchBlt().

TransparentBlt() [1/4]

BOOL ATL::CImage::TransparentBlt ( HDC  hDestDC, const RECT &  rectDest, const RECT &  rectSrc, UINT  crTransparent = CLR_INVALID  ) const

inlinenoexcept

Definition at line 676 of file atlimage.h.

    {
        return TransparentBlt(hDestDC, rectDest.left, rectDest.top,
            rectDest.right - rectDest.left, rectDest.bottom - rectDest.left,
            rectSrc.left, rectSrc.top, rectSrc.right - rectSrc.left,
            rectSrc.bottom - rectSrc.top, crTransparent);
    }

TransparentBlt() [2/4]

BOOL ATL::CImage::TransparentBlt ( HDC  hDestDC, const RECT &  rectDest, UINT  crTransparent = CLR_INVALID  ) const

inlinenoexcept

Definition at line 669 of file atlimage.h.

    {
        return TransparentBlt(hDestDC, rectDest.left, rectDest.top,
                              rectDest.right - rectDest.left,
                              rectDest.bottom - rectDest.top, crTransparent);
    }

TransparentBlt() [3/4]

BOOL ATL::CImage::TransparentBlt ( HDC  hDestDC, int  xDest, int  yDest, int  nDestWidth, int  nDestHeight, int  xSrc, int  ySrc, int  nSrcWidth, int  nSrcHeight, UINT  crTransparent = CLR_INVALID  ) const

inlinenoexcept

Definition at line 648 of file atlimage.h.

    {
        ATLASSERT(IsTransparencySupported());
        GetDC();
        BOOL ret = ::TransparentBlt(hDestDC, xDest, yDest,
                                    nDestWidth, nDestHeight,
                                    m_hDC, xSrc, ySrc,
                                    nSrcWidth, nSrcHeight, crTransparent);
        ReleaseDC();
        return ret;
    }

TransparentBlt() [4/4]

BOOL ATL::CImage::TransparentBlt ( HDC  hDestDC, int  xDest, int  yDest, int  nDestWidth, int  nDestHeight, UINT  crTransparent = CLR_INVALID  ) const

inlinenoexcept

Definition at line 662 of file atlimage.h.

    {
        return TransparentBlt(hDestDC, xDest, yDest, nDestWidth, nDestHeight,
                              0, 0, GetWidth(), GetHeight(), crTransparent);
    }

Member Data Documentation

m_bHasAlphaChannel

BOOL ATL::CImage::m_bHasAlphaChannel = FALSE

private

Definition at line 1018 of file atlimage.h.

Referenced by AttachInternal(), CreateInternal(), Detach(), and Draw().

m_bIsDIBSection

BOOL ATL::CImage::m_bIsDIBSection = FALSE

private

Definition at line 1019 of file atlimage.h.

Referenced by AttachInternal(), Detach(), and IsDIBSection().

m_clrTransparentColor

COLORREF ATL::CImage::m_clrTransparentColor = CLR_INVALID

private

Definition at line 1020 of file atlimage.h.

Referenced by AttachInternal(), Detach(), Draw(), GetTransparentColor(), and SetTransparentColor().

m_hBitmap

HBITMAP ATL::CImage::m_hBitmap = NULL

private

Definition at line 1011 of file atlimage.h.

Referenced by AttachInternal(), Destroy(), Detach(), GetBPP(), GetDC(), GetHeight(), GetWidth(), IsDIBSection(), IsNull(), operator HBITMAP(), Save(), and SetTransparentColor().

m_hDC

HDC ATL::CImage::m_hDC = NULL

mutableprivate

Definition at line 1021 of file atlimage.h.

Referenced by AlphaBlend(), BitBlt(), GetColorTable(), GetDC(), GetPixel(), MaskBlt(), PlgBlt(), ReleaseDC(), SetColorTable(), SetPixel(), SetPixelIndexed(), StretchBlt(), and TransparentBlt().

m_hOldBitmap

HBITMAP ATL::CImage::m_hOldBitmap = NULL

mutableprivate

Definition at line 1012 of file atlimage.h.

Referenced by Detach(), GetDC(), and ReleaseDC().

m_nBPP

INT ATL::CImage::m_nBPP = 0

private

Definition at line 1016 of file atlimage.h.

Referenced by AttachInternal(), Detach(), GetBPP(), and GetMaxColorTableEntries().

m_nDCRefCount

LONG ATL::CImage::m_nDCRefCount = 0

mutableprivate

Definition at line 1022 of file atlimage.h.

Referenced by GetDC(), and ReleaseDC().

m_nHeight

INT ATL::CImage::m_nHeight = 0

private

Definition at line 1014 of file atlimage.h.

Referenced by AttachInternal(), Detach(), and GetHeight().

m_nPitch

INT ATL::CImage::m_nPitch = 0

private

Definition at line 1015 of file atlimage.h.

Referenced by AttachInternal(), Detach(), and GetPitch().

m_nWidth

INT ATL::CImage::m_nWidth = 0

private

Definition at line 1013 of file atlimage.h.

Referenced by AttachInternal(), Detach(), and GetWidth().

m_pBits

LPVOID ATL::CImage::m_pBits = NULL

private

Definition at line 1017 of file atlimage.h.

Referenced by AttachInternal(), Detach(), and GetBits().

s_gdiplus

DECLSPEC_SELECTANY CImage::CInitGDIPlus ATL::CImage::s_gdiplus

staticprivate

Definition at line 1003 of file atlimage.h.

Referenced by _getAllDecoders(), _getAllEncoders(), CImage(), InitGDIPlus(), Load(), ReleaseGDIPlus(), Save(), and ~CImage().

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

• sdk/lib/atl/atlimage.h