拼图小游戏Demo

拼图小游戏的源代码，包含两种方式，适用于对应博客

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WindowsFormsDemo
{
    public static class Helpers
    {
        /// 

        /// 获取等比例缩放的图片（高宽不一致时获取最中间部分的图片）
        /// 

        /// 
        /// 
        /// 
        /// 
        public static Image AdjImageToFitSize（this Image fromImage int width int height）
        {
            Bitmap bitmap = new Bitmap（width height）;
            Graphics graphics = Graphics.FromImage（bitmap）;
            Point point = new Point（0 0）;
            Point point2 = new Point（width 0）;
            Point point3 = new Point（0 height）;
            Point[] destPoints = new Point[] { point point2 point3 };
            Rectangle rect = GetImageRectangle（fromImage）;
            graphics.DrawImage（fromImage destPoints rect GraphicsUnit.Pixel）;
            Image image = Image.FromHbitmap（bitmap.GetHbitmap（））;
            bitmap.Dispose（）;
            graphics.Dispose（）;
            return image;
        }
        private static Rectangle GetImageRectangle（Image fromImage）
        {//居中位置获取
            int x = 0;
            int y = 0;
            int height = fromImage.Height;
            int width = fromImage.Width;
            if （fromImage.Height > fromImage.Width）
            {
                height = fromImage.Width;
                y = （fromImage.Height - fromImage.Width） / 2;
            }
            else
            {
                width = fromImage.Height;
                x = （fromImage.Width - fromImage.Height） / 2;
            }
            return new Rectangle（x y width height）;
        }

        /// 

        /// 将图片切割成小图片图片顺序为先水平后垂直
        /// 

        /// 
        /// 
        /// 
        /// 
        public static Image[] SplitToSmallImages（this Image fromImage int cx int cy）
        {
            Image[] imgs = new Image[cx * cy];
            int nWidth = fromImage.Width / cx;
            int nHeight = fromImage.Height / cy;
            Bitmap image = new Bitmap（nWidth nHeight）;
            Graphics graphics = Graphics.FromImage（image）;
            for （int i = 0; i < cy; i++）
            {
                for （int j = 0; j < cx; j++）
                {
                    graphics.DrawImage（fromImage 0 0 new Rectangle（j * nWidth i * nHeight nWidth nHeight） GraphicsUnit.Pixel）;
                    Image img = Image.FromHbitmap（image.GetHbitmap（））;
                    int idx = j + i * cx;
                    img.Tag = idx;
                    imgs[idx] = img;
                }
            }
            return imgs;
        }
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2014-12-24 22:55  WindowsFormsDemo\
     目录           0  2015-04-02 23:24  WindowsFormsDemo\WindowsFormsDemo\
     文件       45322  2015-02-12 22:04  WindowsFormsDemo\WindowsFormsDemo\1201394142-4.jpg
     文件      202068  2015-02-12 22:04  WindowsFormsDemo\WindowsFormsDemo\135204698.jpg
     文件      176968  2015-02-12 22:04  WindowsFormsDemo\WindowsFormsDemo\135204702.jpg
     文件         187  2014-12-24 22:55  WindowsFormsDemo\WindowsFormsDemo\App.config
     文件        3090  2015-04-02 22:20  WindowsFormsDemo\WindowsFormsDemo\Helpers.cs
     文件         541  2015-04-02 22:35  WindowsFormsDemo\WindowsFormsDemo\Program.cs
     目录           0  2015-02-12 22:04  WindowsFormsDemo\WindowsFormsDemo\Properties\
     文件        1374  2014-12-24 22:55  WindowsFormsDemo\WindowsFormsDemo\Properties\AssemblyInfo.cs
     文件        2872  2015-02-12 22:04  WindowsFormsDemo\WindowsFormsDemo\Properties\Resources.Designer.cs
     文件        5817  2015-02-12 22:04  WindowsFormsDemo\WindowsFormsDemo\Properties\Resources.resx
     文件        1103  2014-12-24 22:55  WindowsFormsDemo\WindowsFormsDemo\Properties\Settings.Designer.cs
     文件         249  2014-12-24 22:55  WindowsFormsDemo\WindowsFormsDemo\Properties\Settings.settings
     文件        8687  2015-02-10 21:52  WindowsFormsDemo\WindowsFormsDemo\RandomPictureForm1.Designer.cs
     文件        6094  2015-04-02 23:24  WindowsFormsDemo\WindowsFormsDemo\RandomPictureForm1.cs
     文件        6193  2015-02-10 21:52  WindowsFormsDemo\WindowsFormsDemo\RandomPictureForm1.resx
     文件        7361  2015-02-12 22:03  WindowsFormsDemo\WindowsFormsDemo\RandomPictureForm2.Designer.cs
     文件        9010  2015-04-02 22:34  WindowsFormsDemo\WindowsFormsDemo\RandomPictureForm2.cs
     文件        6020  2015-02-12 22:03  WindowsFormsDemo\WindowsFormsDemo\RandomPictureForm2.resx
     文件        4703  2015-04-02 22:16  WindowsFormsDemo\WindowsFormsDemo\WindowsFormsDemo.csproj
     目录           0  2015-02-10 21:38  WindowsFormsDemo\WindowsFormsDemo\bin\
     目录           0  2015-04-03 07:28  WindowsFormsDemo\WindowsFormsDemo\bin\Debug\
     目录           0  2015-04-03 07:28  WindowsFormsDemo\WindowsFormsDemo\bin\Release\
     目录           0  2014-12-24 22:55  WindowsFormsDemo\WindowsFormsDemo\obj\
     目录           0  2015-04-03 07:28  WindowsFormsDemo\WindowsFormsDemo\obj\Debug\
     文件        1453  2014-12-26 21:40  WindowsFormsDemo\WindowsFormsDemo\obj\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        7192  2015-04-02 22:14  WindowsFormsDemo\WindowsFormsDemo\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     目录           0  2015-02-12 22:04  WindowsFormsDemo\WindowsFormsDemo\obj\Debug\TempPE\
     文件        4608  2015-02-12 22:04  WindowsFormsDemo\WindowsFormsDemo\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll
     文件           0  2014-12-24 22:55  WindowsFormsDemo\WindowsFormsDemo\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
............此处省略4个文件信息