//// This code is part of Document Solutions for Imaging demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using System.Drawing;using GrapeCity.Documents.Imaging;
namespace DsImagingWeb.Demos{    // This sample demonstrates how to use bitmap transformations    // such as resizing, flipping and rotating.    public class Transforms    {        public GcBitmap GenerateImage(Size pixelSize, float dpi, bool opaque, string[] sampleParams = null)        {            var bmp = new GcBitmap(pixelSize.Width, pixelSize.Height, opaque, dpi, dpi);            bmp.Clear(Color.Transparent);
            var side = pixelSize.Width / 2;            var side2 = side / 2;            GcBitmap bmpLarge, bmpFlip, bmpSmall1, bmpSmall2, bmpSmall3, bmpSmall4;            using (var bmpSrc = new GcBitmap(Path.Combine("Resources", "Stock", "goldfish.jpg")))            {                bmpSrc.Opaque = opaque;                bmpLarge = bmpSrc.Resize(side, side);                bmpFlip = bmpLarge.FlipRotate(FlipRotateAction.FlipHorizontal);                bmpSmall1 = bmpSrc.Resize(side2, side2);                bmpSmall2 = bmpSmall1.FlipRotate(FlipRotateAction.Rotate270);                bmpSmall3 = bmpSmall1.FlipRotate(FlipRotateAction.FlipVertical);                bmpSmall4 = bmpSmall1.FlipRotate(FlipRotateAction.Rotate90);            }
            bmp.BitBlt(bmpLarge, 0, 0);            bmp.BitBlt(bmpFlip, (int)(pixelSize.Width - bmpFlip.Width), 0);            bmp.BitBlt(bmpSmall1, 0, side + side2 / 2);            bmp.BitBlt(bmpSmall2, side2, side + side2 / 2);            bmp.BitBlt(bmpSmall3, side2 * 2, side + side2 / 2);            bmp.BitBlt(bmpSmall4, side2 * 3, side + side2 / 2);
            // Dispose bitmaps except the resulting one:            bmpLarge.Dispose();            bmpFlip.Dispose();            bmpSmall1.Dispose();            bmpSmall2.Dispose();            bmpSmall3.Dispose();            bmpSmall4.Dispose();
            return bmp;        }    }}