コード例 #1
0
        public static unsafe Bitmap ToBitmap(this IReadOnlyImageByte <RgbImageType> @this)
        {
            var answer = Bitmap.CreateBitmap(@this.Width(), @this.Height(), Bitmap.Config.Argb8888);

            var step       = @this.Step;
            var dimensions = @this.Dimensions;

            using (var pin = @this.Open())
            {
                var ptr = pin.Ptr;

                for (var j = 0; j < dimensions.Y; j++)
                {
                    var pixelPtr = ptr;

                    for (var i = 0; i < dimensions.X; i++)
                    {
                        var colour = Color.Rgb(pixelPtr[0], pixelPtr[1], pixelPtr[2]);
                        answer.SetPixel(i, j, colour);

                        pixelPtr += step.X;
                    }

                    ptr += step.Y;
                }
            }

            return(answer);
        }
コード例 #2
0
        public static unsafe Bitmap ToBitmap(this IReadOnlyImageByte <MonoImageType> @this)
        {
            var answer = Bitmap.CreateBitmap(@this.Width(), @this.Height(), Bitmap.Config.Alpha8);

            var step       = @this.Step;
            var dimensions = @this.Dimensions;

            using (var pin = @this.Open())
            {
                var ptr = pin.Ptr;

                for (var j = 0; j < dimensions.Y; j++)
                {
                    var pixelPtr = ptr;

                    for (var i = 0; i < dimensions.X; i++)
                    {
                        var colour = Color.Argb(alpha: *pixelPtr, red: 0, blue: 0, green: 0);
                        answer.SetPixel(i, j, colour);

                        pixelPtr += step.X;
                    }

                    ptr += step.Y;
                }
            }

            return(answer);
        }
コード例 #3
0
        public static unsafe Bitmap ToBitmap(this IReadOnlyImageByte <MonoImageType> @this)
        {
            var answer = new Bitmap(@this.Width(), @this.Height());

            var step       = @this.Step;
            var dimensions = @this.Dimensions;

            using (var pin = @this.Open())
            {
                var ptr = pin.Ptr;

                for (var j = 0; j < dimensions.Y; j++)
                {
                    var pixelPtr = ptr;

                    for (var i = 0; i < dimensions.X; i++)
                    {
                        var colour = Color.FromArgb(*pixelPtr, *pixelPtr, *pixelPtr);
                        answer.SetPixel(i, j, colour);

                        pixelPtr += step.X;
                    }

                    ptr += step.Y;
                }
            }

            return(answer);
        }
コード例 #4
0
        public static unsafe IImageFloat <TType> ToFloatNormalized <TType>(this IReadOnlyImageByte <TType> @this)
            where TType : IImageType, new()
        {
            var answer = new ImageFloat <TType>(@this.Dimensions);

            var inStep  = @this.Step;
            var outStep = answer.Step;

            var dimensions    = @this.Dimensions;
            var channelsCount = Singleton <TType> .Instance.ChannelsCount;

            using (var pinInput = @this.Open())
            {
                using (var pinOutput = answer.Open())
                {
                    var inPtr  = pinInput.Ptr;
                    var outPtr = pinOutput.Ptr;

                    for (var j = 0; j < dimensions.Y; j++)
                    {
                        var inPixelPtr  = inPtr;
                        var outPixelPtr = outPtr;

                        for (var i = 0; i < dimensions.X; i++)
                        {
                            for (var c = 0; c < channelsCount; c++)
                            {
                                outPixelPtr[c] = inPixelPtr[c] / 255f;
                            }

                            inPixelPtr  += inStep.X;
                            outPixelPtr += outStep.X;
                        }

                        inPtr  += inStep.Y;
                        outPtr += outStep.Y;
                    }
                }
            }

            return(answer);
        }