public static System.IO.Stream Resize(System.IO.Stream inputStream, int width, int height, ResizeMethod resizeMethod)
{
ImageProcessor imageProcessor = new ImageProcessor();
ResizeFilter item = new ResizeFilter(width, height, resizeMethod);
imageProcessor.Filters.Add(item);
return imageProcessor.Process(inputStream);
}
public static System.IO.Stream Crop(System.IO.Stream inputStream, Rectangle cropArea, int descWidth, int descHeight)
{
ImageProcessor imageProcessor = new ImageProcessor();
CropFilter item = new CropFilter(cropArea, descWidth, descHeight);
imageProcessor.Filters.Add(item);
return imageProcessor.Process(inputStream);
}
/// <summary>
/// 裁剪图像
/// </summary>
/// <param name="inputStream">图像文件流</param>
/// <param name="cropArea">原图待裁剪的矩形选区</param>
/// <param name="descWidth">裁剪后图像的宽度</param>
/// <param name="descHeight">裁剪后图像的高度</param>
/// <returns>返回裁剪后的图像文件流</returns>
public static Stream Crop(Stream inputStream, Rectangle cropArea, int descWidth, int descHeight)
{
ImageProcessor imageProcessor = new ImageProcessor();
CropFilter cropFilter = new CropFilter(cropArea, descWidth, descHeight);
imageProcessor.Filters.Add(cropFilter);
return(imageProcessor.Process(inputStream));
}
/// <summary>
/// 缩放图像
/// </summary>
/// <param name="inputStream">图像文件流</param>
/// <param name="width">缩放后的宽度</param>
/// <param name="height">缩放后的高度</param>
/// <param name="resizeMethod">缩放方式</param>
/// <returns>返回缩放后的图像文件流</returns>
public static Stream Resize(Stream inputStream, int width, int height, ResizeMethod resizeMethod)
{
ImageProcessor imageProcessor = new ImageProcessor();
ResizeFilter resizeFilter = new ResizeFilter(width, height, resizeMethod);
imageProcessor.Filters.Add(resizeFilter);
return(imageProcessor.Process(inputStream));
}