예제 #1
0
 /// <summary>
 /// Convert a Bitmap to a Mat
 /// </summary>
 /// <param name="mat">The mat to copy Bitmap into</param>
 /// <param name="bitmap">The bitmap to copy into mat</param>
 public static void ToMat(this Android.Graphics.Bitmap bitmap, Mat mat)
 {
     Android.Graphics.Bitmap.Config config = bitmap.GetConfig();
     if (config.Equals(Android.Graphics.Bitmap.Config.Argb8888))
     {
         using (BitmapArgb8888Image bi = new BitmapArgb8888Image(bitmap))
         {
             CvInvoke.CvtColor(bi, mat, ColorConversion.Rgba2Bgra);
         }
     }
     else if (config.Equals(Android.Graphics.Bitmap.Config.Rgb565))
     {
         Size  size   = new Size(bitmap.Width, bitmap.Height);
         int[] values = new int[size.Width * size.Height];
         bitmap.GetPixels(values, 0, size.Width, 0, 0, size.Width, size.Height);
         GCHandle handle = GCHandle.Alloc(values, GCHandleType.Pinned);
         using (Mat bgra = new Mat(size, DepthType.Cv8U, 4, handle.AddrOfPinnedObject(), size.Width * 4))
         {
             bgra.CopyTo(mat);
         }
         handle.Free();
     }
     else
     {
         throw new NotImplementedException(String.Format("Coping from Bitmap of {0} is not implemented", config));
     }
 }
예제 #2
0
        public Bitmap ToBitmap(Bitmap.Config config)
        {
            System.Drawing.Size size = Size;

            if (config == Bitmap.Config.Argb8888)
            {
                Bitmap result = Bitmap.CreateBitmap(size.Width, size.Height, Bitmap.Config.Argb8888);

                using (BitmapArgb8888Image bi = new BitmapArgb8888Image(result))
                {
                    bi.ConvertFrom(this);
                    //CvInvoke.cvSet(bi, new MCvScalar(0, 0, 255, 255), IntPtr.Zero);
                }
                return(result);
            }
            else if (config == Bitmap.Config.Rgb565)
            {
                Bitmap result = Bitmap.CreateBitmap(size.Width, size.Height, Bitmap.Config.Rgb565);

                using (BitmapRgb565Image bi = new BitmapRgb565Image(result))
                    bi.ConvertFrom(this);
                return(result);
            }
            else
            {
                throw new NotImplementedException("Only Bitmap config of Argb888 or Rgb565 is supported.");
            }
        }
예제 #3
0
        /// <summary>
        /// Convert Image object to Bitmap
        /// </summary>
        /// <param name="config">The Bitmap Config</param>
        /// <returns>The Bitmap</returns>
        public static Android.Graphics.Bitmap ToBitmap <TColor, TDepth>(this Image <TColor, TDepth> image, Android.Graphics.Bitmap.Config config)
            where TColor : struct, IColor
            where TDepth : new()
        {
            System.Drawing.Size size = image.Size;

            if (config == Android.Graphics.Bitmap.Config.Argb8888)
            {
                Android.Graphics.Bitmap result = Android.Graphics.Bitmap.CreateBitmap(size.Width, size.Height, Android.Graphics.Bitmap.Config.Argb8888);

                using (BitmapArgb8888Image bi = new BitmapArgb8888Image(result))
                {
                    bi.ConvertFrom(image);
                    //CvInvoke.cvSet(bi, new MCvScalar(0, 0, 255, 255), IntPtr.Zero);
                }
                return(result);
            }
            else if (config == Android.Graphics.Bitmap.Config.Rgb565)
            {
                Android.Graphics.Bitmap result = Android.Graphics.Bitmap.CreateBitmap(size.Width, size.Height, Android.Graphics.Bitmap.Config.Rgb565);

                using (BitmapRgb565Image bi = new BitmapRgb565Image(result))
                    bi.ConvertFrom(image);
                return(result);
            }
            else
            {
                throw new NotImplementedException("Only Bitmap config of Argb888 or Rgb565 is supported.");
            }
        }
예제 #4
0
파일: Mat.cs 프로젝트: aykanat/emgucv-code
        public Bitmap ToBitmap(Bitmap.Config config)
        {
            System.Drawing.Size size = Size;

            if (config == Bitmap.Config.Argb8888)
            {
                Bitmap result = Bitmap.CreateBitmap(size.Width, size.Height, Bitmap.Config.Argb8888);

                using (BitmapArgb8888Image bi = new BitmapArgb8888Image(result))
                    using (Image <Rgba, Byte> tmp = ToImage <Rgba, Byte>())
                    {
                        tmp.Copy(bi, null);
                    }
                return(result);
            }
            else if (config == Bitmap.Config.Rgb565)
            {
                Bitmap result = Bitmap.CreateBitmap(size.Width, size.Height, Bitmap.Config.Rgb565);

                using (BitmapRgb565Image bi = new BitmapRgb565Image(result))
                    using (Image <Bgr, Byte> tmp = ToImage <Bgr, Byte>())
                        bi.ConvertFrom(tmp);
                return(result);
            }
            else
            {
                throw new NotImplementedException("Only Bitmap config of Argb888 or Rgb565 is supported.");
            }
        }
예제 #5
0
        /// <summary>
        /// Convert the Mat to Bitmap
        /// </summary>
        /// <param name="mat">The Mat to convert to Bitmap</param>
        /// <param name="bitmap">The bitmap, must be of the same size and has bitmap config type of either Argb888 or Rgb565</param>
        /// <returns>The Bitmap</returns>
        public static void ToBitmap(this Mat mat, Android.Graphics.Bitmap bitmap)
        {
            System.Drawing.Size size = mat.Size;
            if (!(size.Width == bitmap.Width && size.Height == bitmap.Height))
            {
                throw new Exception("Bitmap size doesn't match the Mat size");
            }

            Android.Graphics.Bitmap.Config config = bitmap.GetConfig();
            if (config == Android.Graphics.Bitmap.Config.Argb8888)
            {
                int channels = mat.NumberOfChannels;
                using (BitmapArgb8888Image bi = new BitmapArgb8888Image(bitmap))
                {
                    if (channels == 1)
                    {
                        CvInvoke.CvtColor(mat, bi.Mat, ColorConversion.Gray2Rgba);
                    }
                    else if (channels == 3)
                    {
                        CvInvoke.CvtColor(mat, bi, ColorConversion.Bgr2Rgba);
                    }
                    else if (channels == 4)
                    {
                        CvInvoke.CvtColor(mat, bi, ColorConversion.Bgra2Rgba);
                    }
                    else
                    {
                        using (Image <Rgba, Byte> tmp = mat.ToImage <Rgba, Byte>())
                        {
                            tmp.Copy(bi, null);
                        }
                    }
                }
            }
            else if (config == Android.Graphics.Bitmap.Config.Rgb565)
            {
                using (BitmapRgb565Image bi = new BitmapRgb565Image(bitmap))
                    using (Image <Bgr, Byte> tmp = mat.ToImage <Bgr, Byte>())
                        bi.ConvertFrom(tmp);
            }
            else
            {
                throw new NotImplementedException("Only Bitmap config of Argb888 or Rgb565 is supported.");
            }
        }
예제 #6
0
        //#region Conversion with Bitmap
        /// <summary>
        /// The Get property provide a more efficient way to convert Image&lt;Gray, Byte&gt;, Image&lt;Bgr, Byte&gt; and Image&lt;Bgra, Byte&gt; into Bitmap
        /// such that the image data is <b>shared</b> with Bitmap.
        /// If you change the pixel value on the Bitmap, you change the pixel values on the Image object as well!
        /// For other types of image this property has the same effect as ToBitmap()
        /// <b>Take extra caution not to use the Bitmap after the Image object is disposed</b>
        /// The Set property convert the bitmap to this Image type.
        /// </summary>
        public static Image <TColor, TDepth> ToImage <TColor, TDepth>(this Bitmap bitmap)
            where TColor : struct, IColor
            where TDepth : new()
        {
            #region reallocate memory if necessary
            Size size = new Size(bitmap.Width, bitmap.Height);
            Image <TColor, TDepth> image = new Image <TColor, TDepth>(size);

            /*
             * if (image.Ptr == IntPtr.Zero)
             * {
             *  image.AllocateData(size.Height, size.Width, image.NumberOfChannels);
             * }
             * else if (!Size.Equals(size))
             * {
             *  image.DisposeObject();
             *  image.AllocateData(size.Height, size.Width, image.NumberOfChannels);
             * }*/
            #endregion

            Android.Graphics.Bitmap.Config config = bitmap.GetConfig();
            if (config.Equals(Android.Graphics.Bitmap.Config.Argb8888))
            {
                using (BitmapArgb8888Image bi = new BitmapArgb8888Image(bitmap))
                {
                    image.ConvertFrom(bi);
                }
            }
            else if (config.Equals(Android.Graphics.Bitmap.Config.Rgb565))
            {
                int[] values = new int[size.Width * size.Height];
                bitmap.GetPixels(values, 0, size.Width, 0, 0, size.Width, size.Height);
                GCHandle handle = GCHandle.Alloc(values, GCHandleType.Pinned);
                using (Image <Bgra, Byte> bgra = new Image <Bgra, byte>(size.Width, size.Height, size.Width * 4, handle.AddrOfPinnedObject()))
                {
                    image.ConvertFrom(bgra);
                }
                handle.Free();
            }
            else
            {
                throw new NotImplementedException(String.Format("Coping from Bitmap of {0} is not implemented", config));
            }

            return(image);
        }
예제 #7
0
        /// <summary>
        /// Convert the Mat to Bitmap
        /// </summary>
        /// <param name="config">The bitmap config type. If null, Argb8888 will be used</param>
        /// <returns>The Bitmap</returns>
        public Bitmap ToBitmap(Bitmap.Config config = null)
        {
            System.Drawing.Size size = Size;

            if (config == null || config == Bitmap.Config.Argb8888)
            {
                Bitmap result   = Bitmap.CreateBitmap(size.Width, size.Height, Bitmap.Config.Argb8888);
                int    channels = NumberOfChannels;
                using (BitmapArgb8888Image bi = new BitmapArgb8888Image(result))
                {
                    if (channels == 1)
                    {
                        CvInvoke.CvtColor(this, bi.Mat, ColorConversion.Gray2Rgba);
                    }
                    else if (channels == 3)
                    {
                        CvInvoke.CvtColor(this, bi, ColorConversion.Bgr2Rgba);
                    }
                    else if (channels == 4)
                    {
                        CvInvoke.CvtColor(this, bi, ColorConversion.Bgra2Rgba);
                    }
                    else
                    {
                        using (Image <Rgba, Byte> tmp = ToImage <Rgba, Byte>())
                        {
                            tmp.Copy(bi, null);
                        }
                    }
                }
                return(result);
            }
            else if (config == Bitmap.Config.Rgb565)
            {
                Bitmap result = Bitmap.CreateBitmap(size.Width, size.Height, Bitmap.Config.Rgb565);

                using (BitmapRgb565Image bi = new BitmapRgb565Image(result))
                    using (Image <Bgr, Byte> tmp = ToImage <Bgr, Byte>())
                        bi.ConvertFrom(tmp);
                return(result);
            }
            else
            {
                throw new NotImplementedException("Only Bitmap config of Argb888 or Rgb565 is supported.");
            }
        }