C++ IWICImagingFactory::Release方法代码示例

SpriteSheet::SpriteSheet(wchar_t* filename, Graphics* gfx)
{
	this->gfx = gfx;
	bmp = NULL;
	HRESULT hr;

	//create a wic factory 
	IWICImagingFactory *wicFactory = NULL;
	hr = CoCreateInstance(
		CLSID_WICImagingFactory,
		NULL,
		CLSCTX_INPROC_SERVER,
		IID_IWICImagingFactory,
		(LPVOID*)&wicFactory);

	//create a decoder
	IWICBitmapDecoder *wicDecoder = NULL;
	hr = wicFactory->CreateDecoderFromFilename(
		filename,       // THE FILE NAME
		NULL,           // the preferred vendor
		GENERIC_READ,   // we're reading the file, not writing
		WICDecodeMetadataCacheOnLoad,
		&wicDecoder);

	// read a frame from the image
	IWICBitmapFrameDecode* wicFrame = NULL;
	hr = wicDecoder->GetFrame(0, &wicFrame);

	// create a converter
	IWICFormatConverter *wicConverter = NULL;
	hr = wicFactory->CreateFormatConverter(&wicConverter);

	// setup the converter
	hr = wicConverter->Initialize(
		wicFrame,                      // frame
		GUID_WICPixelFormat32bppPBGRA, // pixel format
		WICBitmapDitherTypeNone,       // irrelevant
		NULL,             // no palette needed, irrlevant
		0.0,              // alpha transparency % irrelevant
		WICBitmapPaletteTypeCustom     // irrelevant
		);

	// use the converter to create an D2D1Bitmap
	/// ID2D1Bitmap* bmp;      // this will be a member variable
	hr = gfx->GetRenderTarget()->CreateBitmapFromWicBitmap(
		wicConverter,      // converter
		NULL,              // D2D1_BITMAP_PROPERIES
		&bmp               // destiatnion D2D1 bitmap
		);

	if (wicFactory) wicFactory->Release();
	if (wicDecoder) wicDecoder->Release();
	if (wicConverter) wicConverter->Release();
	if (wicFrame) wicFrame->Release();

}

void GL::Image::load(const unsigned char *buf, size_t bufSize)
{
    if (CoInitializeEx(NULL, COINIT_MULTITHREADED) != S_OK) {
        // bad!
        return;
    }
    IStream *stream = SHCreateMemStream((const BYTE*)buf, (UINT)bufSize);
    if (stream != NULL) {
        IWICImagingFactory *pFactory;
        if (CoCreateInstance(CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, IID_IWICImagingFactory, (LPVOID*)&pFactory) == S_OK) {
            IWICBitmapDecoder *pDecoder;
            if (pFactory->CreateDecoderFromStream(stream, &CLSID_WICPngDecoder, WICDecodeMetadataCacheOnDemand, &pDecoder) == S_OK) {
                IWICBitmapFrameDecode *frame;
                if (pDecoder->GetFrame(0, &frame) == S_OK) {
                    UINT w, h;
                    if (frame->GetSize(&w, &h) == S_OK) {
                        width_ = w;
                        height_ = h;
                    }
                    IWICFormatConverter *formatConverter;
                    if (pFactory->CreateFormatConverter(&formatConverter) == S_OK) {
                        if (formatConverter->Initialize(frame, GUID_WICPixelFormat32bppPBGRA, WICBitmapDitherTypeNone, nullptr, 0.0, WICBitmapPaletteTypeCustom) == S_OK) {
                            unsigned char *pixels = new unsigned char[w * h * 4];
                            if (formatConverter->CopyPixels(0, w * 4, w * h * 4, pixels) == S_OK) {
                                loadTextureData_(pixels);
                            }
                            delete[] pixels;
                        }
                        formatConverter->Release();
                    }
                }
                pDecoder->Release();
            }
            pFactory->Release();
        }
        stream->Release();
    }
    CoUninitialize();
}

static void BuildSkinIcons(TEnumData *lParam)
{
	IWICImagingFactory *factory = (bIsVistaPlus) ? ARGB_GetWorker() : NULL;

	TSlotIPC *pct = lParam->ipch->NewIconsBegin;
	TShellExt *Self = lParam->Self;
	while (pct != NULL) {
		if (pct->cbSize != sizeof(TSlotIPC) || pct->fType != REQUEST_NEWICONS) 
			break;

		TSlotProtoIcons *p = (TSlotProtoIcons*)(PBYTE(pct) + sizeof(TSlotIPC));
		Self->ProtoIcons = (TSlotProtoIcons*)realloc(Self->ProtoIcons, (Self->ProtoIconsCount + 1) * sizeof(TSlotProtoIcons));
		TSlotProtoIcons *d = &Self->ProtoIcons[Self->ProtoIconsCount];
		memmove(d, p, sizeof(TSlotProtoIcons));

		// if using Vista (or later), clone all the icons into bitmaps and keep these around,
		// if using anything older, just use the default code, the bitmaps (and/or icons) will be freed
		// with the shell object.

		for (int j = 0; j < 10; j++) {
			if (bIsVistaPlus) {
				d->hBitmaps[j] = ARGB_BitmapFromIcon(factory, Self->hMemDC, p->hIcons[j]);
				d->hIcons[j] = NULL;				
			}
			else {
				d->hBitmaps[j] = NULL;
				d->hIcons[j] = CopyIcon(p->hIcons[j]);
			}
		}

		Self->ProtoIconsCount++;
		pct = pct->Next;
	}

	if (factory)
		factory->Release();
}

    //@https://msdn.microsoft.com/de-de/library/windows/desktop/dd756686(v=vs.85).aspx
    HRESULT BitmapDecoder::LoadBitmapFromFile(ID2D1RenderTarget * pRenderTarget, PCWSTR uri, ID2D1Bitmap ** ppBitmap)
    {

      IWICImagingFactory* pFactory;


      HRESULT hr = CoCreateInstance(CLSID_WICImagingFactory,
        NULL,
        CLSCTX_INPROC_SERVER,
        IID_IWICImagingFactory,
        (LPVOID*)&pFactory
      );



      //IWICStream *pStream = NULL; //?

      //IWICBitmapScaler *pScaler = NULL; //?

      IWICBitmapDecoder *pDecoder = NULL;
      if (SUCCEEDED(hr))
      {
        hr = pFactory->CreateDecoderFromFilename(uri, NULL, GENERIC_READ, WICDecodeMetadataCacheOnLoad, &pDecoder);
      }
      IWICBitmapFrameDecode *pSource = NULL;
      if (SUCCEEDED(hr))
      {
        hr = pDecoder->GetFrame(0, &pSource);
      }

      IWICFormatConverter *pConverter = NULL;
      if (SUCCEEDED(hr))
      {
        hr = pFactory->CreateFormatConverter(&pConverter);
      }

      if (SUCCEEDED(hr))
      {
        hr = pConverter->Initialize(
          pSource,
          GUID_WICPixelFormat32bppPBGRA,
          WICBitmapDitherTypeNone,
          NULL,
          0.f,
          WICBitmapPaletteTypeMedianCut
        );
      }

      if (SUCCEEDED(hr))
      {
        pRenderTarget->CreateBitmapFromWicBitmap(pConverter, NULL, ppBitmap);
      }
      if (pDecoder != nullptr)
      {
        pDecoder->Release();//SafeRelease(&pDecoder);
      }
      if (pSource != nullptr)
      {
        pSource->Release();
      }
      //SafeRelease(&pSource);
     // pStream->Release();//SafeRelease(&pStream);
      if(pConverter!= nullptr)
      {
        pConverter->Release();
      }
      //SafeRelease(&pConverter);
     // pScaler->Release();//SafeRelease(&pScaler);
      if (pFactory != nullptr)
      {
        pFactory->Release();
      }

      return hr;
    }

HRESULT CMainWindow::DecodeImageFromThumbCache(
    IShellItem *pShellItem,
    ID2D1Bitmap **ppBitmap
    )
{
    const UINT THUMB_SIZE = 256;

    // Read the bitmap from the thumbnail cache

    IThumbnailCache *pThumbCache;
    HRESULT hr = CoCreateInstance(
        CLSID_LocalThumbnailCache,
        NULL,
        CLSCTX_INPROC_SERVER,
        IID_PPV_ARGS(&pThumbCache)
        );
    if (SUCCEEDED(hr))
    {
        ISharedBitmap *pBitmap;
        hr = pThumbCache->GetThumbnail(
            pShellItem,
            THUMB_SIZE,
            WTS_SCALETOREQUESTEDSIZE,
            &pBitmap,
            NULL,
            NULL
            );
        if (SUCCEEDED(hr))
        {
            HBITMAP hBitmap;
            hr = pBitmap->GetSharedBitmap(
                &hBitmap
                );
            if (SUCCEEDED(hr))
            {
                // Create a WIC bitmap from the shared bitmap

                IWICImagingFactory *pFactory;
                hr = CoCreateInstance(
                    CLSID_WICImagingFactory,
                    NULL,
                    CLSCTX_INPROC_SERVER,
                    IID_PPV_ARGS(&pFactory)
                    );
                if (SUCCEEDED(hr))
                {
                    IWICBitmap *pWICBitmap;
                    hr = pFactory->CreateBitmapFromHBITMAP(
                        hBitmap,
                        NULL,
                        WICBitmapIgnoreAlpha,
                        &pWICBitmap
                        );
                    if (SUCCEEDED(hr))
                    {
                        // Create a D2D bitmap from the WIC bitmap

                        hr = m_pRenderTarget->CreateBitmapFromWicBitmap(
                            pWICBitmap,
                            NULL,
                            ppBitmap
                            );
                        pWICBitmap->Release();
                    }

                    pFactory->Release();
                }
            }
            
            pBitmap->Release();
        }
        
        pThumbCache->Release();
    }

    return hr;
}

    HRESULT YCbCrPixelFormatConverter::ConvertRgbToYCbCr( 
        /* [in] */ const WICRect *prc,
        /* [in] */ UINT cbStride,
        /* [in] */ UINT cbPixelsSize,
        /* [out] */ BYTE *pbPixels)
    {
        HRESULT result = S_OK;
        
        //Sanity check
        WICPixelFormatGUID srcPixelFormat;
        bitmapSource->GetPixelFormat(&srcPixelFormat);
        if (srcPixelFormat != GUID_WICPixelFormat32bppBGRA)
        {
             result = E_UNEXPECTED;
             return result;
        }

        IWICImagingFactory *codecFactory = NULL;
        IWICFormatConverter *formatConverter = NULL;    

        if (SUCCEEDED(result))
        {
            result = CoCreateInstance(CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, IID_IWICImagingFactory, (LPVOID*) &codecFactory);
        }

        if (SUCCEEDED(result))
        {             
            result = codecFactory->CreateFormatConverter(&formatConverter);        
        }
        
        if (SUCCEEDED(result))
        {
            //We will convert to 24RGB first, since it is easier to convert to YCbCr from there
            result = formatConverter->Initialize(bitmapSource,
                GUID_WICPixelFormat24bppBGR, WICBitmapDitherTypeSolid, NULL, 1.0, WICBitmapPaletteTypeFixedWebPalette);
        }

        if (SUCCEEDED(result))
        {
            result = formatConverter->CopyPixels(prc, cbStride, cbPixelsSize, pbPixels);
        }
        //Since the two formats have same number of bytes, we will do an inplace conversion
        UINT width, height;
        if (prc == NULL)
        {
            if (SUCCEEDED(result))
            {
                result = bitmapSource->GetSize(&width, &height);
            }
        }
        else
        {
            width = prc->Width;
            height = prc->Height;
        }

        if (SUCCEEDED(result))
        {
            //Loop on the data and do the conversion
            BYTE *curPos = NULL;            
            curPos = pbPixels;
            for (int i = 0 ; i < height; i++)
            {
                for (int j = 0; j < width; j++)
                {
                BYTE R, G ,B;
                BYTE Y, Cb, Cr;

                B = *curPos;
                G = *(curPos+1);
                R = *(curPos+2);      

                //Do the maths
                Y = Clamp(0, 255, (0.257*R) + (0.504*G) + (0.098*B) + 16);
                Cb = Clamp(0, 255, (-0.148*R) - (0.291*G) + (0.439*B) + 128);
                Cr = Clamp(0, 255, (0.439*R) - (0.368*G) - (0.071*B) + 128);

                *curPos = Cr;
                *(curPos+1) = Cb;
                *(curPos+2) = Y;      
                   
                //Advance to next pixel
                curPos += 3;
                }
                curPos += (cbStride - (width * 3)); //Fast forward remaining part of the stride
            }
        }
        if (formatConverter)
        {
            formatConverter->Release();
        }

        if (codecFactory)
        {
            codecFactory->Release();
        }
        return result;
       }  

//.........这里部分代码省略.........
	plyr.InitIdleImages();
	plyr.InitMoveImages();

	DWORD baslangic_noktasi;
	float deltaTime, oldTime = 0;
	while (TRUE){
		baslangic_noktasi = GetTickCount();
		deltaTime = baslangic_noktasi - oldTime;
		oldTime = baslangic_noktasi;

		if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
			if (msg.message == WM_QUIT) {
				break;
			}

			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
		//KEY
		if (TUS(VK_SPACE)) {
			//alo = 1;
		}
		if (TUS(VK_LEFT)) {
			tp.x += 2;
			//pts.x -= 2;
		}
		if (TUS(VK_RIGHT)) {
			tp.x -= 2;
			//pts.x += 2;
		}
		if (TUS(VK_UP)) {
			tp.y += 2;
			//pts.y -= 2;
		}
		if (TUS(VK_DOWN)) {
			tp.y -= 2;
			//pts.y += 2;
		}

		plyr.HandleKeysForIdle();
		plyr.HandleKeysForMove(deltaTime);

		/*if (alo == 1) {
			y -= gravity;
			pts.y -= y;
			if (y == -19) {
				alo = 0;
				y = 20.f;
			}
		}*/

		/*if (clps.x != 0 && clps.y!= 0) {
			text.setPos(clps.x, clps.y);
		}*/
		/*upperLeftCorner = D2D1::Point2F(pts.x, pts.y);*/

		//text.setFont(L"Comic Sans MS");
		//LOOP
		RenderTarget->BeginDraw();
		RenderTarget->Clear(D2D1::ColorF(0.25f,0.80f,0.22f,1.f));

		/*Terrain*/
		trn.drawBush();
		/*Terrain*/
		
		//RenderTarget->DrawRectangle(D2D1::RectF(100,100,200,300), Brush);
		//RenderTarget->DrawEllipse(ellipse, Brush, 2.f);
		RenderTarget->SetTransform(D2D1::Matrix3x2F::Translation(0 + tp.x,0 + tp.y));
		/*RenderTarget->DrawBitmap(
			Bitmap,
			D2D1::RectF(
				upperLeftCorner.x,
				upperLeftCorner.y,
				upperLeftCorner.x + 50,
				upperLeftCorner.y + 160),
				1.0,
				D2D1_BITMAP_INTERPOLATION_MODE_NEAREST_NEIGHBOR
			);*/
		//text.drawatext(50,L"Merhaba",RenderTarget,Brush);

		plyr.Render();

		btn.RenderIt(cups, clk, tp);

		RenderTarget->EndDraw();
		/*if (TUS(VK_ESCAPE)) {
			break;
			PostMessage(hWnd, WM_DESTROY, 0, 0);
		}*/
		//
	}

	directx->Release();
	RenderTarget->Release();
	/*Brush->Release();*/
	Bitmap->Release();
	ImagingFactory->Release();
	xxd.RestoreScreenResolution();
	return 0;
}

void LoadJPG(wchar_t *pwszJpg, HWND hwnd)
{
    IWICImagingFactory *pFactory = NULL;
    HRESULT hr = CoCreateInstance(CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pFactory));
    if (SUCCEEDED(hr)) {
        IWICBitmapDecoder *pDecoder = NULL;
        hr = pFactory->CreateDecoderFromFilename(pwszJpg, NULL, GENERIC_READ, WICDecodeMetadataCacheOnDemand, &pDecoder);
        if (SUCCEEDED(hr)) {
            IWICBitmapFrameDecode *pIDecoderFrame = NULL;
            hr = pDecoder->GetFrame(0, &pIDecoderFrame);
            if (SUCCEEDED(hr)) {
                IWICFormatConverter *pFC = NULL;
                hr = pFactory->CreateFormatConverter(&pFC);
                hr = pFC->Initialize(pIDecoderFrame, GUID_WICPixelFormat24bppBGR, WICBitmapDitherTypeNone, NULL, 0.0, WICBitmapPaletteTypeCustom);

                const int nBytesPixel = 3; // GUID_WICPixelFormat24bppBGR 每像素3字节(24bits)

                BITMAPINFO bmpInfo;
                ZeroMemory(&bmpInfo, sizeof(BITMAPINFO));
                bmpInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
                hr = pIDecoderFrame->GetSize((UINT*)&bmpInfo.bmiHeader.biWidth, (UINT*)&bmpInfo.bmiHeader.biHeight);
                bmpInfo.bmiHeader.biPlanes = 1;
                bmpInfo.bmiHeader.biBitCount = 8 * nBytesPixel;
                bmpInfo.bmiHeader.biCompression = BI_RGB;

                BYTE *pBuf = NULL;
                HDC hdc = GetDC(hwnd);
                bmpInfo.bmiHeader.biHeight *= -1; // BMP 方向调整
                HBITMAP hBmp = CreateDIBSection(hdc, &bmpInfo, DIB_RGB_COLORS, (void**)&pBuf, NULL, 0);
                bmpInfo.bmiHeader.biHeight *= -1;

                // 计算扫描线
                unsigned int cbStride = nBytesPixel * bmpInfo.bmiHeader.biWidth;
                unsigned int total = cbStride*bmpInfo.bmiHeader.biHeight;
                hr = pFC->CopyPixels(NULL, cbStride, total, pBuf);

                // HSL色彩空间变换
                DirectX::XMVECTORF32 colorTransofrom = { 1.0f, 1.0f, 1.0f, 1.0f };

                if (SUCCEEDED(hr)) {
                    for (int i = 0; i < bmpInfo.bmiHeader.biHeight; i++) {
                        for (int j = 0; j < bmpInfo.bmiHeader.biWidth; j++) {
                            BYTE *pColor = pBuf + cbStride*i + j * nBytesPixel;

                            DirectX::XMVECTOR colorM = DirectX::PackedVector::XMLoadUByteN4((DirectX::PackedVector::XMUBYTEN4*)pColor);
                            colorM = DirectX::XMColorRGBToHSL(colorM);
                            colorM = DirectX::XMColorModulate(colorM, colorTransofrom);
                            colorM = DirectX::XMColorHSLToRGB(colorM);
                            DirectX::PackedVector::XMStoreUByteN4((DirectX::PackedVector::XMUBYTEN4*)pColor, colorM);

                            SetPixel(hdc, j, i, RGB(pColor[2], pColor[1], pColor[0]));
                        }
                    }
                }

                ReleaseDC(hwnd, hdc);

                if (SUCCEEDED(hr)) {
                    MakeMemDC(hBmp, hwnd);
                    InvalidateRect(hwnd, NULL, TRUE);
                }

                hr = pFC->Release();
                pIDecoderFrame->Release();
            }
            pDecoder->Release();
        }

        pFactory->Release();
    }
}