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C++ IWICImagingFactory::CreateEncoder方法代码示例

本文整理汇总了C++中IWICImagingFactory::CreateEncoder方法的典型用法代码示例。如果您正苦于以下问题：C++ IWICImagingFactory::CreateEncoder方法的具体用法？C++ IWICImagingFactory::CreateEncoder怎么用？C++ IWICImagingFactory::CreateEncoder使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IWICImagingFactory的用法示例。


在下文中一共展示了IWICImagingFactory::CreateEncoder方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: encodeImageData

bool WICImageLoader::encodeImageData(std::string path, const unsigned char* data, size_t dataLen, WICPixelFormatGUID pixelFormat, int width, int height, GUID containerFormat)
{
	assert(data != NULL);
	assert(dataLen > 0 && width > 0 && height > 0);

	IWICImagingFactory* pFact = getWICFactory();

	HRESULT hr = E_FAIL;
	IWICStream* pStream = NULL;

	if (NULL != pFact) {
		hr = pFact->CreateStream(&pStream);
	}

	if (SUCCEEDED(hr)) {
		hr = pStream->InitializeFromFilename(StringUtf8ToWideChar(path).c_str(), GENERIC_WRITE);
	}

	IWICBitmapEncoder* pEnc = NULL;

	if (SUCCEEDED(hr)) {
		hr = pFact->CreateEncoder(containerFormat, NULL, &pEnc);
	}

	if (SUCCEEDED(hr)) {
		hr = pEnc->Initialize(pStream, WICBitmapEncoderNoCache);
	}

	IWICBitmapFrameEncode* pFrame = NULL;
	IPropertyBag2* pProp = NULL;

	if (SUCCEEDED(hr)) {
		hr = pEnc->CreateNewFrame(&pFrame, &pProp);
	}

	if (SUCCEEDED(hr)) {
		hr = pFrame->Initialize(pProp);
	}

	if (SUCCEEDED(hr)) {
		hr = pFrame->SetSize(width, height);
	}

	if (SUCCEEDED(hr)) {
		WICPixelFormatGUID targetFormat = pixelFormat;
		hr = pFrame->SetPixelFormat(&targetFormat);

		if (targetFormat != pixelFormat) {
			hr = E_INVALIDARG;
		}
	}

	if (SUCCEEDED(hr)) {
		size_t bpp = getBitsPerPixel(pixelFormat);
		size_t stride = (width * bpp + 7) / 8;

		hr = pFrame->WritePixels(height, static_cast<UINT>(stride), static_cast<UINT>(dataLen), (BYTE*)data);
	}

	if (SUCCEEDED(hr)) {
		hr = pFrame->Commit();
	}

	if (SUCCEEDED(hr)) {
		hr = pEnc->Commit();
	}

	SafeRelease(&pStream);
	SafeRelease(&pEnc);
	SafeRelease(&pFrame);
	SafeRelease(&pProp);
	return SUCCEEDED(hr);
}
开发者ID:602147629，项目名称:PlanetWar，代码行数:73，代码来源:WICImageLoader-winrt.cpp

示例2: SaveToImageFile


//.........这里部分代码省略.........
        // and write "Hello, World".
        pRT->SetTransform(
            D2D1::Matrix3x2F::Rotation(
                45,
                D2D1::Point2F(
                    rtSize.width / 2,
                    rtSize.height / 2))
                );

        static const WCHAR sc_helloWorld[] = L"Hello, World!";
        pRT->DrawText(
            sc_helloWorld,
            ARRAYSIZE(sc_helloWorld) - 1,
            pTextFormat,
            D2D1::RectF(0, 0, rtSize.width, rtSize.height),
            pBlackBrush);

        //
        // Reset back to the identity transform
        //
        pRT->SetTransform(D2D1::Matrix3x2F::Translation(0, rtSize.height - 200));

        pRT->FillGeometry(pPathGeometry, pLGBrush);

        pRT->SetTransform(D2D1::Matrix3x2F::Translation(rtSize.width - 200, 0));

        pRT->FillGeometry(pPathGeometry, pLGBrush);

        hr = pRT->EndDraw();
    }
    if (SUCCEEDED(hr))
    {

        //
        // Save image to file
        //

        hr = pWICFactory->CreateStream(&pStream);
    }

    WICPixelFormatGUID format = GUID_WICPixelFormatDontCare;
    if (SUCCEEDED(hr))
    {
        static const WCHAR filename[] = L"output.png";
        hr = pStream->InitializeFromFilename(filename, GENERIC_WRITE);
    }
    if (SUCCEEDED(hr))
    {
        hr = pWICFactory->CreateEncoder(GUID_ContainerFormatPng, NULL, &pEncoder);
    }
    if (SUCCEEDED(hr))
    {
        hr = pEncoder->Initialize(pStream, WICBitmapEncoderNoCache);
    }
    if (SUCCEEDED(hr))
    {
        hr = pEncoder->CreateNewFrame(&pFrameEncode, NULL);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->Initialize(NULL);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->SetSize(sc_bitmapWidth, sc_bitmapHeight);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->SetPixelFormat(&format);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->WriteSource(pWICBitmap, NULL);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->Commit();
    }
    if (SUCCEEDED(hr))
    {
        hr = pEncoder->Commit();
    }

    SafeRelease(&pWICFactory);
    SafeRelease(&pD2DFactory);
    SafeRelease(&pDWriteFactory);
    SafeRelease(&pWICBitmap);
    SafeRelease(&pRT);
    SafeRelease(&pTextFormat);
    SafeRelease(&pPathGeometry);
    SafeRelease(&pSink);
    SafeRelease(&pGradientStops);
    SafeRelease(&pLGBrush);
    SafeRelease(&pBlackBrush);
    SafeRelease(&pEncoder);
    SafeRelease(&pFrameEncode);
    SafeRelease(&pStream);

    return hr;
}
开发者ID:Essjay1，项目名称:Windows-classic-samples，代码行数:101，代码来源:SaveAsImageFileSample.cpp

示例3: encodeImageData

bool WICImageLoader::encodeImageData(std::string path, ImageBlob data, size_t dataLen, WICPixelFormatGUID pixelFormat, int width, int height, GUID containerFormat)
{
	assert(data != NULL);
	assert(dataLen > 0 && width > 0 && height > 0);

	IWICImagingFactory* pFact = getWICFactory();

	HRESULT hr = S_FALSE;
	IWICStream* pStream = NULL;

	if(NULL != pFact)
	{
		hr = pFact->CreateStream(&pStream);
	}

	if(SUCCEEDED(hr))
	{
		std::wstring wpath;
		wpath.assign(path.begin(), path.end());
		hr = pStream->InitializeFromFilename(wpath.c_str(), GENERIC_WRITE);
	}

	IWICBitmapEncoder* pEnc = NULL;

	if(SUCCEEDED(hr))
	{
		hr = pFact->CreateEncoder(containerFormat, NULL, &pEnc);
	}

	if(SUCCEEDED(hr))
	{
		hr = pEnc->Initialize(pStream, WICBitmapEncoderNoCache);
	}

	IWICBitmapFrameEncode* pFrame = NULL;
	IPropertyBag2* pProp = NULL;

	if(SUCCEEDED(hr))
	{
		hr = pEnc->CreateNewFrame(&pFrame, &pProp);
	}

	if(SUCCEEDED(hr))
	{
		hr = pFrame->Initialize(pProp);
	}

	if(SUCCEEDED(hr))
	{
		hr = pFrame->SetSize(width, height);
	}

	if(SUCCEEDED(hr))
	{
		hr = pFrame->SetPixelFormat(&pixelFormat);
	}

	if(SUCCEEDED(hr))
	{
		size_t bpp = getBitsPerPixel(pixelFormat);
		size_t stride = (width * bpp + 7) / 8;

		hr = pFrame->WritePixels(height, stride, dataLen, (BYTE*)data);
	}

	if(SUCCEEDED(hr))
	{
		hr = pFrame->Commit();
	}

	if(SUCCEEDED(hr))
	{
		hr = pEnc->Commit();
	}

	SafeRelease(&pStream);
	SafeRelease(&pEnc);
	SafeRelease(&pFrame);
	SafeRelease(&pProp);
	return SUCCEEDED(hr);
}
开发者ID:HeavenWesker，项目名称:ContraGame，代码行数:81，代码来源:WICImageLoader-win.cpp

示例4: SaveToImageFile


//.........这里部分代码省略.........
        //    pTextFormat,
        //    D2D1::RectF(0, 0, rtSize.width, rtSize.height),
        //    pBlackBrush);

		float scaleX = (rtSize.width - leftMargin) / rangeX;
		float scaleY = (rtSize.height - bottomMargin) / rangeY;
        //
        // Reset back to the identity transform
        //
		pRT->DrawLine(D2D1::Point2F(leftMargin, 0.0f), D2D1::Point2F(leftMargin, rtSize.height - bottomMargin), pSolidBrush);
		pRT->DrawLine(D2D1::Point2F(leftMargin, rtSize.height - bottomMargin), D2D1::Point2F(rtSize.width, rtSize.height - bottomMargin), pSolidBrush);

		pSolidBrush->SetColor(D2D1::ColorF(D2D1::ColorF::LightGray, 0.4f));
		size_t countTicks = rangeY / yTick;
		for(size_t tick = 1; tick <= countTicks; ++tick)
		{
			float y = rtSize.height - bottomMargin - static_cast<float>(tick) * yTick * scaleY;
			pRT->DrawLine(D2D1::Point2F(leftMargin - 3.0f, y), D2D1::Point2F(rtSize.width, y), pSolidBrush);
		}
		countTicks = rangeX / xTick;
		for(size_t tick = 1; tick <= countTicks; ++tick)
		{
			float x = leftMargin + static_cast<float>(tick) * xTick * scaleX;
			pRT->DrawLine(D2D1::Point2F(x, 0.0f), D2D1::Point2F(x, rtSize.height - bottomMargin + 3.0f), pSolidBrush);
		}

		//D2D1_MATRIX_3X2_F rotation = D2D1::Matrix3x2F::Rotation(-90.0f);
		D2D1_MATRIX_3X2_F translation = D2D1::Matrix3x2F::Translation(leftMargin, rtSize.height - bottomMargin);
		//D2D1_MATRIX_3X2_F scale = D2D1::Matrix3x2F::Scale(D2D1::SizeF(600.0f, 1.0f));
		pRT->SetTransform(translation);
		GraphData(data, pD2DFactory, pRT, pSolidBrush, scaleX, scaleY );

        hr = pRT->EndDraw();
    }
    if (SUCCEEDED(hr))
    {

        //
        // Save image to file
        //

        hr = pWICFactory->CreateStream(&pStream);
    }

    WICPixelFormatGUID format = GUID_WICPixelFormatDontCare;
    if (SUCCEEDED(hr))
    {
        static const WCHAR filename[] = L"output.png";
        hr = pStream->InitializeFromFilename(filename, GENERIC_WRITE);
    }
    if (SUCCEEDED(hr))
    {
        hr = pWICFactory->CreateEncoder(GUID_ContainerFormatPng, NULL, &pEncoder);
    }
    if (SUCCEEDED(hr))
    {
        hr = pEncoder->Initialize(pStream, WICBitmapEncoderNoCache);
    }
    if (SUCCEEDED(hr))
    {
        hr = pEncoder->CreateNewFrame(&pFrameEncode, NULL);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->Initialize(NULL);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->SetSize(imageWidth, imageHeight);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->SetPixelFormat(&format);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->WriteSource(pWICBitmap, NULL);
    }
    if (SUCCEEDED(hr))
    {
        hr = pFrameEncode->Commit();
    }
    if (SUCCEEDED(hr))
    {
        hr = pEncoder->Commit();
    }

    SafeRelease(&pWICFactory);
    SafeRelease(&pD2DFactory);
    SafeRelease(&pDWriteFactory);
    SafeRelease(&pWICBitmap);
    SafeRelease(&pRT);
    SafeRelease(&pTextFormat);
    SafeRelease(&pSolidBrush);
    SafeRelease(&pEncoder);
    SafeRelease(&pFrameEncode);
    SafeRelease(&pStream);

    return hr;
}
开发者ID:jaylauffer，项目名称:loadngo，代码行数:101，代码来源:GraphAsImageFile.cpp

示例5: _tmain


//.........这里部分代码省略.........

    pSink->AddBezier(
        D2D1::BezierSegment(
        D2D1::Point2F(50, 150),
        D2D1::Point2F(50, 50),
        D2D1::Point2F(0, 0))
        );

    pSink->EndFigure(D2D1_FIGURE_END_CLOSED);

    CHECKHR(pSink->Close());

    // Create GradientStopCollection
    ID2D1GradientStopCollection *pGradientStops = NULL;
    static const D2D1_GRADIENT_STOP stops[] =
    {
        { 0.f, { 0.f, 1.f, 1.f, 1.f } },
        { 1.f, { 0.f, 0.f, 1.f, 1.f } },
    };

    CHECKHR(g_pRenderTarget->CreateGradientStopCollection(
        stops,
        ARRAYSIZE(stops),
        &pGradientStops
        ));

    ID2D1LinearGradientBrush* pLGBrush = NULL;
    ID2D1SolidColorBrush* pBlackBrush = NULL;

    CHECKHR(g_pRenderTarget->CreateLinearGradientBrush(
        D2D1::LinearGradientBrushProperties(
        D2D1::Point2F(100, 0),
        D2D1::Point2F(100, 200)),
        D2D1::BrushProperties(),
        pGradientStops,
        &pLGBrush
        ));

    CHECKHR(g_pRenderTarget->CreateSolidColorBrush(
        D2D1::ColorF(D2D1::ColorF::Black),
        &pBlackBrush
        ));

    // Render into the bitmap.
    g_pRenderTarget->BeginDraw();
    g_pRenderTarget->Clear(D2D1::ColorF(D2D1::ColorF::White));
    D2D1_SIZE_F rtSize = g_pRenderTarget->GetSize();

    // Set the world transform to a 45 degree rotation at the center of the render target
    // and write "Hello, World".
    g_pRenderTarget->SetTransform(
        D2D1::Matrix3x2F::Rotation(
        45,
        D2D1::Point2F(
        rtSize.width / 2,
        rtSize.height / 2))
        );

    static const WCHAR sc_helloWorld[] = L"Hello, World!";
    g_pRenderTarget->DrawText(
        sc_helloWorld,
        ARRAYSIZE(sc_helloWorld) - 1,
        pTextFormat,
        D2D1::RectF(0, 0, rtSize.width, rtSize.height),
        pBlackBrush);

    // Reset back to the identity transform.
    g_pRenderTarget->SetTransform(D2D1::Matrix3x2F::Translation(0, rtSize.height - 200));
    g_pRenderTarget->FillGeometry(pPathGeometry, pLGBrush);
    g_pRenderTarget->SetTransform(D2D1::Matrix3x2F::Translation(rtSize.width - 200, 0));
    g_pRenderTarget->FillGeometry(pPathGeometry, pLGBrush);
    CHECKHR(g_pRenderTarget->EndDraw());

    // Save the image to a file.
    IWICStream* pStream = NULL;
    CHECKHR(pWICFactory->CreateStream(&pStream));

    // Use InitializeFromFilename to write to a file. If there is need to write inside the memory, use InitializeFromMemory. 
    static const WCHAR filename[] = L"output.png";
    CHECKHR(pStream->InitializeFromFilename(filename, GENERIC_WRITE));

    IWICBitmapEncoder* pEncoder = NULL;
    CHECKHR(pWICFactory->CreateEncoder(GUID_ContainerFormatPng, NULL, &pEncoder));
    CHECKHR(pEncoder->Initialize(pStream, WICBitmapEncoderNoCache));

    IWICBitmapFrameEncode* pFrameEncode = NULL;
    CHECKHR(pEncoder->CreateNewFrame(&pFrameEncode, NULL));

    // Use IWICBitmapFrameEncode to encode the bitmap into the picture format you want.
    CHECKHR(pFrameEncode->Initialize(NULL));
    CHECKHR(pFrameEncode->SetSize(sc_bitmapWidth, sc_bitmapHeight));

    WICPixelFormatGUID format = GUID_WICPixelFormatDontCare;
    CHECKHR(pFrameEncode->SetPixelFormat(&format));
    CHECKHR(pFrameEncode->WriteSource(pWICBitmap, NULL));
    CHECKHR(pFrameEncode->Commit());
    CHECKHR(pEncoder->Commit());

    return 0;
}
开发者ID:andrxu，项目名称:d2d，代码行数:101，代码来源:DWriteTry.cpp


注：本文中的IWICImagingFactory::CreateEncoder方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。