imageToByteArray() public static method

public static imageToByteArray ( Image inImage ) : byte[]
inImage Image
return byte[]
示例#1
0
        public byte[] scaleStreamImageTo(int outWidth, int outHeight)
        {
            int x, y, w, h;
            int iWoH = mImage.Width * outHeight;
            int iHoW = mImage.Height * outWidth;

            if (iWoH < iHoW)
            {
                w = (int)((double)(iWoH) / mImage.Height);
                h = outHeight;
                x = (int)((outWidth - w) / 2.0);
                y = 0;
            }
            else
            {
                w = outWidth;
                h = (int)((double)(iHoW) / mImage.Width);
                x = 0;
                y = (int)((outHeight - h) / 2.0);
            }
            using (Bitmap outImage = new Bitmap(outWidth, outHeight))
            {
                drawImage(mImage, outImage, new Rectangle(x, y, w, h));
                return(ImageOps.imageToByteArray(outImage));
            }
        }
示例#2
0
        public byte[] scaleStreamImageBy(float scaleFactor)
        {
            int outWidth  = (int)(mImage.Width * scaleFactor);
            int outHeight = (int)(mImage.Height * scaleFactor);

            using (Bitmap outImage = new Bitmap(outWidth, outHeight))
            {
                drawImage(mImage, outImage, new Rectangle(0, 0, outWidth, outHeight));
                return(ImageOps.imageToByteArray(outImage));
            }
        }