public void CropAndResizeImage(Image image, string outPutFilePath, string outPuthFileName, int?width = null, int?height = null, bool pngFormat = false)
{
try
{
if (!width.HasValue)
{
width = new int?(image.Width);
}
if (!height.HasValue)
{
height = new int?(image.Height);
}
KalikoImage kalikoImage = new KalikoImage(image);
KalikoImage kalikoImage1 = kalikoImage.Scale(new FitScaling(width.Value, height.Value));
if (!Directory.Exists(HttpContext.Current.Server.MapPath(string.Concat("~/", outPutFilePath))))
{
Directory.CreateDirectory(HttpContext.Current.Server.MapPath(string.Concat("~/", outPutFilePath)));
}
string str = HttpContext.Current.Server.MapPath(string.Concat("~/", Path.Combine(outPutFilePath, outPuthFileName)));
if (!pngFormat)
{
kalikoImage1.SaveJpg(str, (long)99);
}
else
{
kalikoImage1.SavePng(str);
}
kalikoImage1.Dispose();
kalikoImage.Dispose();
}
catch (Exception exception)
{
throw new Exception(exception.Message);
}
}
public void CropAndResizeImage(HttpPostedFileBase imageFile, string outPutFilePath, string outPuthFileName, int width, int height, bool pngFormat = false)
{
try
{
var image = Image.FromStream(imageFile.InputStream);
var kalikoImage = new KalikoImage(image);
var imgCrop = kalikoImage.Scale(new FitScaling(width, height));
if (!Directory.Exists(HttpContext.Current.Server.MapPath(string.Concat("~/", outPutFilePath))))
{
Directory.CreateDirectory(HttpContext.Current.Server.MapPath(string.Concat("~/", outPutFilePath)));
}
var path = HttpContext.Current.Server.MapPath(string.Concat("~/", Path.Combine(outPutFilePath, outPuthFileName)));
if (!pngFormat)
{
imgCrop.SaveJpg(path, 99, true);
}
else
{
imgCrop.SavePng(path);
}
kalikoImage.Dispose();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
public void CropAndResizeImage(HttpPostedFileBase imageFile, string outPutFilePath, string outPuthFileName, int width, int height, bool pngFormat = false)
{
try
{
Image image = Image.FromStream(imageFile.InputStream);
//if (!width.HasValue)
//{
// width = image.Width;
//}
//if (!height.HasValue)
//{
// height = new int?(image.Height);
//}
KalikoImage kalikoImage = new KalikoImage(image);
kalikoImage.Resize(width, height);
//KalikoImage kalikoImage1 = kalikoImage.Scale(new CropScaling(width, height));
//KalikoImage kalikoImage1 = kalikoImage.Scale(new FitScaling(width.Value, height.Value));
if (!Directory.Exists(HttpContext.Current.Server.MapPath(string.Concat("~/", outPutFilePath))))
{
Directory.CreateDirectory(HttpContext.Current.Server.MapPath(string.Concat("~/", outPutFilePath)));
}
string str = HttpContext.Current.Server.MapPath(string.Concat("~/", Path.Combine(outPutFilePath, outPuthFileName)));
if (!pngFormat)
{
kalikoImage.SaveJpg(str, 99);
}
else
{
kalikoImage.SavePng(str);
}
kalikoImage.Dispose();
//kalikoImage.Dispose();
}
catch (Exception exception)
{
throw new Exception(exception.Message);
}
}
/// <summary>
/// 切割图片
/// </summary>
/// <param name="pageCount">切成几张</param>
/// <returns></returns>
private List <string> kalikoImage(int pageCount)
{
List <string> imageList = new List <string>();
for (var n = 0; n < pageCount; n++)
{
KalikoImage ki = new KalikoImage(SealPath);
var w = ki.Width / pageCount; // 计算每张图片的宽度
ki.Crop(w * n, 0, w, ki.Height);
//string path = System.IO.Path.Combine(config.Value.Substring(0, config.Value.LastIndexOf(".")), string.Format("{0}{1}.png", count, n));
//if (!System.IO.Directory.Exists(config.Value.Substring(0, config.Value.LastIndexOf("."))))
//{
// System.IO.Directory.CreateDirectory(config.Value.Substring(0, config.Value.LastIndexOf(".")));//不存在就创建目录
//}
string path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Temp", string.Format("{0}{1}.png", pageCount, n));
ki.SavePng(path);
ki.Dispose();
imageList.Add(path);
}
return(imageList);
}
/// <summary>
/// 缩略图的截图模式是：当原图宽高比按照缩略图时缩放
/// </summary>
/// <param name="originalImagePath"></param>
/// <param name="thumbnailPath"></param>
/// <param name="extName"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="scale">Crop:取中间部分;Fit:按比例缩放，自动调整尺寸;Pad:按比例缩放，保持尺寸，不足部分填白</param>
/// <param name="position">水印位置</param>
/// <param name="waterMarkingPath">水印图片路劲</param>
public void MakeThumbnail(string originalImagePath, string thumbnailPath, string extName, int width, int height, ThumbnailMethod scale = ThumbnailMethod.Fit, WaterMarkingPosition?position = null, string waterMarkingPath = "")
{
if (!File.Exists(originalImagePath))
{
return;
}
var image = new KalikoImage(originalImagePath)
{
BackgroundColor = Color.White
};
var format = GetImageFormat(extName);
ScalingBase scalingBase = null;
switch (scale)
{
case ThumbnailMethod.Crop:
scalingBase = new CropScaling(width, height);
break;
case ThumbnailMethod.Fit:
scalingBase = new FitScaling(width, height);
break;
case ThumbnailMethod.Pad:
scalingBase = new PadScaling(width, height);
break;
default:
scalingBase = new CropScaling(width, height);
break;
}
var imageThumb = image.Scale(scalingBase);
AddWaterMarking(position, waterMarkingPath, imageThumb);
imageThumb.SaveImage(thumbnailPath, format);
image.Dispose();
imageThumb.Dispose();
}
public void CropAndResizeImage(string inPutFilePath, string outPutFilePath, string outPuthFileName, int width, int height, bool pngFormat = false)
{
try
{
var image = Image.FromFile(HttpContext.Current.Server.MapPath(string.Concat("~/", inPutFilePath)));
//if (!width.HasValue)
//{
// width = new int?(image.Width);
//}
//if (!height.HasValue)
//{
// height = new int?(image.Height);
//}
var kalikoImage = new KalikoImage(image);
var kalikoImage1 = kalikoImage.Scale(new PadScaling(width, height, Color.Transparent));
//KalikoImage kalikoImage1 = kalikoImage.Scale(new FitScaling(width.Value, height.Value));
if (!Directory.Exists(HttpContext.Current.Server.MapPath(string.Concat("~/", outPutFilePath))))
{
Directory.CreateDirectory(HttpContext.Current.Server.MapPath(string.Concat("~/", outPutFilePath)));
}
var str = HttpContext.Current.Server.MapPath(string.Concat("~/", Path.Combine(outPutFilePath, outPuthFileName)));
if (!pngFormat)
{
kalikoImage1.SaveJpg(str, 99);
}
else
{
kalikoImage1.SavePng(str);
}
kalikoImage1.Dispose();
kalikoImage.Dispose();
}
catch (Exception exception)
{
throw new Exception(exception.Message);
}
}