private void CombineImages(FileInfo[] files, string toPath, ImageMergeOrientation mergeType = ImageMergeOrientation.Vertical)
{
//change the location to store the final image.
// URL：http://www.bianceng.cn/Programming/csharp/201410/45751.htm
var finalImage = toPath;
// 获取原始图片的长度宽度
var finalWidth = 1;
var finalHeight = 1;
foreach (FileInfo file in files)
{
System.Drawing.Image img = System.Drawing.Image.FromFile(file.FullName);
if (mergeType == ImageMergeOrientation.Vertical)
{
finalWidth = finalWidth > img.Width ? finalWidth : img.Width;
finalHeight += img.Height;
}
else if (mergeType == ImageMergeOrientation.Horizontal)
{
finalHeight = finalHeight > img.Height ? finalHeight : img.Height;
finalWidth += img.Width;
}
}
var finalImg = new Bitmap(finalWidth, finalHeight);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(finalImg);
g.Clear(SystemColors.AppWorkspace);
var width = finalWidth;
var height = finalHeight;
var nIndex = 0;
foreach (FileInfo file in files)
{
System.Drawing.Image img = System.Drawing.Image.FromFile(file.FullName);
if (nIndex == 0)
{
g.DrawImage(img, new Point(0, 0));
nIndex++;
width = img.Width;
height = img.Height;
}
else
{
switch (mergeType)
{
case ImageMergeOrientation.Horizontal:
g.DrawImage(img, new Point(width, 0));
width += img.Width;
break;
case ImageMergeOrientation.Vertical:
g.DrawImage(img, new Point(0, height));
height += img.Height;
break;
}
}
img.Dispose();
}
g.Dispose();
finalImg.Save(finalImage, System.Drawing.Imaging.ImageFormat.Png);
finalImg.Dispose();
}
public void CombineImages(FileInfo[] files, string toPath, ImageMergeOrientation mergeType = ImageMergeOrientation.Vertical)
{
//change the location to store the final image.
var finalImage = toPath;
List <Image> list = new List <Image>();
foreach (var item in files)
{
list.Add(Image.FromFile(item.FullName));
}
var finalWidth = mergeType == ImageMergeOrientation.Horizontal ?
list.Sum(img => img.Width) :
list.Max(img => img.Width);
var finalHeight = mergeType == ImageMergeOrientation.Vertical ?
list.Sum(img => img.Height) :
list.Max(img => img.Height);
//var imgs = files.Select(f => Image.FromFile(f.FullName));
//var finalWidth = mergeType == ImageMergeOrientation.Horizontal ?
// imgs.Sum(img => img.Width):
// imgs.Max(img => img.Width);
//var finalHeight = mergeType == ImageMergeOrientation.Vertical ?
// imgs.Sum(img => img.Height) :
// imgs.Max(img => img.Height);
var finalImg = new Bitmap(finalWidth, finalHeight);
Graphics g = Graphics.FromImage(finalImg);
g.Clear(SystemColors.AppWorkspace);
var width = finalWidth;
var height = finalHeight;
var nIndex = 0;
foreach (FileInfo file in files)
{
Image img = Image.FromFile(file.FullName);
if (nIndex == 0)
{
g.DrawImage(img, new Point(0, 0));
nIndex++;
width = img.Width;
height = img.Height;
}
else
{
switch (mergeType)
{
case ImageMergeOrientation.Horizontal:
g.DrawImage(img, new Point(width, 0));
width += img.Width;
break;
case ImageMergeOrientation.Vertical:
g.DrawImage(img, new Point(0, height));
height += img.Height;
break;
default:
throw new ArgumentOutOfRangeException("mergeType");
}
}
img.Dispose();
}
g.Dispose();
finalImg.Save(finalImage, System.Drawing.Imaging.ImageFormat.Jpeg);
finalImg.Dispose();
foreach (var item in list)
{
item.Dispose();
}
}
//合并图片
private void CombineImages(FileInfo[] files, string fileName, string toPath, ImageMergeOrientation mergeType = ImageMergeOrientation.Vertical, ConvertType convertType = ConvertType.PDF)
{
var finalImage = toPath;
var imgs = files.Select(f => System.Drawing.Image.FromFile(f.FullName));
var finalWidth = mergeType == ImageMergeOrientation.Horizontal ?
imgs.Sum(img => img.Width) :
imgs.Max(img => img.Width);
var finalHeight = mergeType == ImageMergeOrientation.Vertical ?
imgs.Sum(img => img.Height) :
imgs.Max(img => img.Height);
var finalImg = new Bitmap(finalWidth, finalHeight - (files.Count() * 1000));
switch (convertType)
{
#region JPG合成
case ConvertType.JPG:
Graphics g = Graphics.FromImage(finalImg);
g.Clear(SystemColors.AppWorkspace);
var width = finalWidth;
var height = finalHeight;
var nIndex = 0;
foreach (FileInfo file in files)
{
System.Drawing.Image img = System.Drawing.Image.FromFile(file.FullName);
if (nIndex == 0)
{
g.DrawImage(img, new Point(500, 0));
nIndex++;
width = img.Width;
height = img.Height;
}
else
{
switch (mergeType)
{
case ImageMergeOrientation.Horizontal:
g.DrawImage(img, new Point(width, 0));
width += img.Width;
break;
case ImageMergeOrientation.Vertical:
g.DrawImage(img, new Point(500, height - 1000));
height += img.Height - 1000;
break;
default:
throw new ArgumentOutOfRangeException("mergeType");
}
}
img.Dispose();
}
string imageFilePath = finalImage + "\\" + fileName + ".jpg";
g.Dispose();
finalImg.Save(imageFilePath);
finalImg.Dispose();
break;
#endregion
#region PDF合成
case ConvertType.PDF:
Document document = new Document();
document.SetPageSize(new iTextSharp.text.Rectangle(WWidth + 72f, HHeight + 72f));
PdfWriter write = PdfWriter.GetInstance(document, new FileStream(finalImage + "\\" + fileName + ".pdf", FileMode.OpenOrCreate, FileAccess.Write));
document.Open();
iTextSharp.text.Image jpg;
foreach (FileInfo file in files)
{
System.Drawing.Image img = System.Drawing.Image.FromFile(file.FullName);
jpg = iTextSharp.text.Image.GetInstance(img, ImageFormat.Jpeg);
document.NewPage();
document.Add(jpg);
}
if (document != null && document.IsOpen())
{
document.Close();
}
if (write != null)
{
write.Close();
}
break;
#endregion
default:
break;
}
}
