private unsafe int OnFormatCallback(void **opaque, char *chroma, int *width, int *height, int *pitches, int *lines)
        {
            IntPtr pChroma   = new IntPtr(chroma);
            string chromaStr = Marshal.PtrToStringAnsi(pChroma);

            ChromaType type;

            if (!Enum.TryParse <ChromaType>(chromaStr, out type))
            {
                throw new ArgumentException("Unsupported chroma type " + chromaStr);
            }

            m_format = new BitmapFormat(*width, *height, type);
            if (m_formatSetupCB != null)
            {
                m_format = m_formatSetupCB(m_format);
            }

            Marshal.Copy(m_format.Chroma.ToUtf8(), 0, pChroma, 4);
            *width  = m_format.Width;
            *height = m_format.Height;

            for (int i = 0; i < m_format.Planes; i++)
            {
                pitches[i] = m_format.Pitches[i];
                lines[i]   = m_format.Lines[i];
            }

            m_pixelData = new PlanarPixelData(m_format.PlaneSizes);

            return(m_format.Planes);
        }
示例#2
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        public override bool Equals(object obj)
        {
            PlanarPixelData pd = (PlanarPixelData)obj;

            if (pd == null)
            {
                return(false);
            }

            return(this == pd);
        }
        private unsafe int OnFormatCallback(void** opaque, char* chroma, int* width, int* height, int* pitches, int* lines)
        {
            IntPtr pChroma = new IntPtr(chroma);
            string chromaStr = Marshal.PtrToStringAnsi(pChroma);

            ChromaType type;
            if (!Enum.TryParse<ChromaType>(chromaStr, out type))
            {
                throw new ArgumentException("Unsupported chroma type " + chromaStr);
            }

            m_format = new BitmapFormat(*width, *height, type);
            if (m_formatSetupCB != null)
            {
                m_format = m_formatSetupCB(m_format);              
            }

            Marshal.Copy(m_format.Chroma.ToUtf8(), 0, pChroma, 4);
            *width = m_format.Width;
            *height = m_format.Height;
    
            for (int i = 0; i < m_format.Planes; i++)
            {
                pitches[i] = m_format.Pitches[i];
                lines[i] = m_format.Lines[i];
            }

            m_pixelData = new PlanarPixelData(m_format.PlaneSizes);

            return m_format.Planes;
        }