Exemplos de setOpenGlDrawCallback em C++ (Cpp)

Exemplo n.º 1

Arquivo: window.cpp Projeto: JoeHowse/opencv

void cv::imshow( const String& winname, InputArray _img )
{
    CV_TRACE_FUNCTION();
    const Size size = _img.size();
#ifndef HAVE_OPENGL
    CV_Assert(size.width>0 && size.height>0);
    {
        Mat img = _img.getMat();
        CvMat c_img = cvMat(img);
        cvShowImage(winname.c_str(), &c_img);
    }
#else
    const double useGl = getWindowProperty(winname, WND_PROP_OPENGL);
    CV_Assert(size.width>0 && size.height>0);

    if (useGl <= 0)
    {
        Mat img = _img.getMat();
        CvMat c_img = cvMat(img);
        cvShowImage(winname.c_str(), &c_img);
    }
    else
    {
        const double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);

        if (autoSize > 0)
        {
            resizeWindow(winname, size.width, size.height);
        }

        setOpenGlContext(winname);

        cv::ogl::Texture2D& tex = ownWndTexs[winname];

        if (_img.kind() == _InputArray::CUDA_GPU_MAT)
        {
            cv::ogl::Buffer& buf = ownWndBufs[winname];
            buf.copyFrom(_img);
            buf.setAutoRelease(false);

            tex.copyFrom(buf);
            tex.setAutoRelease(false);
        }
        else
        {
            tex.copyFrom(_img);
        }

        tex.setAutoRelease(false);

        setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);

        updateWindow(winname);
    }
#endif
}

Exemplo n.º 2

Arquivo: window.cpp Projeto: JoeHowse/opencv

void cv::imshow(const String& winname, const ogl::Texture2D& _tex)
{
    CV_TRACE_FUNCTION();
#ifndef HAVE_OPENGL
    CV_UNUSED(winname);
    CV_UNUSED(_tex);
    CV_Error(cv::Error::OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
    const double useGl = getWindowProperty(winname, WND_PROP_OPENGL);

    if (useGl <= 0)
    {
        CV_Error(cv::Error::OpenGlNotSupported, "The window was created without OpenGL context");
    }
    else
    {
        const double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);

        if (autoSize > 0)
        {
            Size size = _tex.size();
            resizeWindow(winname, size.width, size.height);
        }

        setOpenGlContext(winname);

        cv::ogl::Texture2D& tex = wndTexs[winname];

        tex = _tex;

        tex.setAutoRelease(false);

        setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);

        updateWindow(winname);
    }
#endif
}

Exemplo n.º 3

Arquivo: window.cpp Projeto: AndreSteenveld/opencv

void cv::imshow( const std::string& winname, InputArray _img )
{
#ifndef HAVE_OPENGL
    Mat img = _img.getMat();
    CvMat c_img = img;
    cvShowImage(winname.c_str(), &c_img);
#else
    const double useGl = getWindowProperty(winname, WND_PROP_OPENGL);

    if (useGl <= 0)
    {
        Mat img = _img.getMat();
        CvMat c_img = img;
        cvShowImage(winname.c_str(), &c_img);
    }
    else
    {
        const double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);

        if (autoSize > 0)
        {
            Size size = _img.size();
            resizeWindow(winname, size.width, size.height);
        }

        setOpenGlContext(winname);

        if (_img.kind() == _InputArray::OPENGL_TEXTURE)
        {
            cv::ogl::Texture2D& tex = wndTexs[winname];

            tex = _img.getOGlTexture2D();

            tex.setAutoRelease(false);

            setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);
        }
        else
        {
            cv::ogl::Texture2D& tex = ownWndTexs[winname];

            if (_img.kind() == _InputArray::GPU_MAT)
            {
                cv::ogl::Buffer& buf = ownWndBufs[winname];
                buf.copyFrom(_img);
                buf.setAutoRelease(false);

                tex.copyFrom(buf);
                tex.setAutoRelease(false);
            }
            else
            {
                tex.copyFrom(_img);
            }

            tex.setAutoRelease(false);

            setOpenGlDrawCallback(winname, glDrawTextureCallback, &tex);
        }

        updateWindow(winname);
    }
#endif
}