FlatRedBall.Graphics.Texture.ImageData.SetPixel C# (CSharp) Метод

        public void SetPixel(int x, int y, Color color)
        {
            Data[y * width + x] = color;
        }

        public static void RenderSprite(Sprite sprite, int leftPixel, int topPixel, int pixelWidth, int pixelHeight, ImageData imageData)
        {
            if (sprite.Texture == null || sprite.BlendOperation != BlendOperation.Regular)
            {
                // for now throw an exception, later we may want to handle pure color rendering and stuff like that
                throw new NotImplementedException();

            }

            ImageData spriteTextureImageData = ImageData.FromTexture2D(sprite.Texture);

#if FRB_MDX
            ColorOperation colorOperation = GraphicalEnumerations.TranslateTextureOperationToColorOperation(sprite.ColorOperation);

#else
            ColorOperation colorOperation = sprite.ColorOperation;
#endif

            spriteTextureImageData.ApplyColorOperation(colorOperation, sprite.Red, sprite.Green, sprite.Blue, sprite.Alpha);


            int rightBound = System.Math.Min(imageData.Width, leftPixel + pixelWidth);
            int bottomBound = System.Math.Min(imageData.Height, topPixel + pixelHeight);

            int actualWidth = rightBound - leftPixel;
            int actualHeight = bottomBound - topPixel;



            for (int destinationX = leftPixel; destinationX < rightBound; destinationX++)
            {
                for (int destinationY = topPixel; destinationY < bottomBound; destinationY++)
                {
                    int sourcePixelX = spriteTextureImageData.Width * (destinationX - leftPixel) / pixelWidth;
                    int sourcePixelY = spriteTextureImageData.Height * (destinationY - topPixel) / pixelHeight;

                    Color sourcePixel = spriteTextureImageData.GetPixelColor(sourcePixelX, sourcePixelY);

                    if (sourcePixel.A != 255)
                    {
                        Color destinationPixel = imageData.GetPixelColor(destinationX, destinationY);
#if FRB_MDX
                        sourcePixel = Color.FromArgb(
                            System.Math.Max(sourcePixel.A, destinationPixel.A),
                            (byte)(destinationPixel.R * (255 - sourcePixel.A) / 255.0f + sourcePixel.R * (sourcePixel.A) / 255.0f),
                            (byte)(destinationPixel.G * (255 - sourcePixel.A) / 255.0f + sourcePixel.G * (sourcePixel.A) / 255.0f),
                            (byte)(destinationPixel.B * (255 - sourcePixel.A) / 255.0f + sourcePixel.B * (sourcePixel.A) / 255.0f));

                        // This is probably not accurate, but will work currently.  Eventually we may want to look at how blending is actually performed
#else
                        sourcePixel.R = (byte)(destinationPixel.R * (255 - sourcePixel.A) / 255.0f + sourcePixel.R * (sourcePixel.A) / 255.0f);
                        sourcePixel.G = (byte)(destinationPixel.G * (255 - sourcePixel.A) / 255.0f + sourcePixel.G * (sourcePixel.A) / 255.0f);
                        sourcePixel.B = (byte)(destinationPixel.B * (255 - sourcePixel.A) / 255.0f + sourcePixel.B * (sourcePixel.A) / 255.0f);

                        // This is probably not accurate, but will work currently.  Eventually we may want to look at how blending is actually performed
                        sourcePixel.A = System.Math.Max(sourcePixel.A, destinationPixel.A);
#endif
                    }
                    imageData.SetPixel(destinationX, destinationY, sourcePixel);
                }
            }
        }