本次程序編寫主要為了將pdf word等文檔轉換為圖片后設置不同的打印排版

前提 目標文件夾中的圖片高寬都是一致的

/// <summary>/// 合并圖片/// </summary>/// <param name="savedictory">文件保存目錄</param>/// <param name="singlePageNumber">單頁排版</param>/// <param name="path">文件列表</param>/// public static void MergedImage(string[] path, SinglePageNumber singlePageNumber,string savedictory){//獲取目錄路徑列表var i = path.Length % (int)singlePageNumber > 0 ? (path.Length / (int)singlePageNumber + 1) : path.Length / (int)singlePageNumber;for (int s = 0; s < i; s++){List<Bitmap> bitmapList = new List<Bitmap>();List<string> imgPathTake = path.Skip((s - 1) * (int)singlePageNumber).Take((int)singlePageNumber).ToList();foreach (var pathItem in imgPathTake)bitmapList.Add(new Bitmap(pathItem));//2=1x2 4=2x2 6=2x3 9=3x3 16=4x4Bitmap map = null;switch (singlePageNumber){case SinglePageNumber.two:map = mergeImage(2, 1, bitmapList);break;case SinglePageNumber.four:map = mergeImage(2, 2, bitmapList);break;case SinglePageNumber.six:map = mergeImage(3, 2, bitmapList);break;case SinglePageNumber.nine:map = mergeImage(3, 3, bitmapList);break;case SinglePageNumber.Sixteen:map = mergeImage(4, 4, bitmapList);break;default:break;}map.Save(savedictory + "\\" + s+".png");}}/// <summary>/// 合并圖片文件 傳入的圖片寬高要一致/// </summary>/// <param name="wi">一排有幾張</param>/// <param name="hi">一列有幾張</param>/// <param name="mapList"></param>public static Bitmap mergeImage(int wi, int hi, List<Bitmap> mapList){int width = mapList.First().Width;int height = mapList.First().Height;Bitmap bitmap = new Bitmap(width * wi, height * hi);//x表示圖片在第幾行y表示圖片在第幾列 int mapIndex = 0;for (int y = 1; y <= hi; y++){for (int x = 1; x <= wi; x++){if (mapIndex == mapList.Count ){foreach (var item in mapList)item.Dispose();return bitmap;}var map = mapList[mapIndex];mapIndex++;for (int w = 1; w <= width; w++)for (int h = 1; h <= height; h++){var color = map.GetPixel(w - 1, h - 1);bitmap.SetPixel(((x-1)*width)+w - 1, ((y - 1) * height) + h - 1, color);}}}foreach (var item in mapList)item.Dispose();return bitmap;} /// <summary>/// 每版打印幾頁 單頁的不用處理/// </summary>public enum SinglePageNumber{two = 2,four = 4,six = 6,nine = 9,Sixteen = 16,}

　　

　　

設置圖片排版為2*3的效果

string dictory = @"D:\test\testpdf2convert\";string[] path = System.IO.Directory.GetFiles(dictory);ImagePrintHp.MergedImage(path, SinglePageNumber.six, dictory);

　　效果

2*2效果

?

轉載于:https://www.cnblogs.com/ProDoctor/p/7691575.html

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