public new IFileInfo GetFileInfo(string subpath)
{
var fileInfo = base.GetFileInfo(subpath);
if (fileInfo.Exists)
{
return(fileInfo);
}
var matchResult = _options.IsMatch(subpath, _options.PathMatch);
if (!matchResult.Result)
{
return(fileInfo);
}
var imageHandleDto = matchResult.Data;
//生成文件
fileInfo = base.GetFileInfo($"{imageHandleDto.ImagePath}{imageHandleDto.ImageName}.{imageHandleDto.ImageExtensions}");
if (!fileInfo.Exists)
{
return(fileInfo);
}
var newImagePath = Path.Join(Root.Replace("\\", "/"), subpath).Replace("//", "/");
//_stopwatch.Start();
//var settings = new ProcessImageSettings()
//{
// Width = imageHandleDto.ImageWidth,
// Height = imageHandleDto.ImageHeight,
// ResizeMode = CropScaleMode.Max,
// SaveFormat = FileFormat.Jpeg,
// JpegQuality = 75,
// JpegSubsampleMode = ChromaSubsampleMode.Subsample420
//};
//using (var output = new FileStream(newImagePath, FileMode.Create))
//{
// MagicImageProcessor.ProcessImage(fileInfo.PhysicalPath, output, settings);
//}
//_stopwatch.Stop();
//_logger.LogDebug($"Magick.NET耗时{_stopwatch.ElapsedMilliseconds}ms");
//File.Delete(newImagePath);
//_stopwatch.Restart();
//using (var original = FreeImageBitmap.FromFile(fileInfo.PhysicalPath))
//{
// using (var resized = new FreeImageBitmap(original, imageHandleDto.ImageWidth, imageHandleDto.ImageHeight))
// {
// resized.Save(newImagePath, FREE_IMAGE_FORMAT.FIF_JPEG,
// FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD |
// FREE_IMAGE_SAVE_FLAGS.JPEG_BASELINE);
// }
//}
//_stopwatch.Stop();
//_logger.LogDebug($"FreeImage FromFilePath耗时{_stopwatch.ElapsedMilliseconds}ms");
//File.Delete(newImagePath);
//_stopwatch.Restart();
//using (var original = FreeImageBitmap.FromStream(fileInfo.CreateReadStream()))
//{
// using (var resized = new FreeImageBitmap(original, imageHandleDto.ImageWidth, imageHandleDto.ImageHeight))
// {
// resized.Save(newImagePath, FREE_IMAGE_FORMAT.FIF_JPEG,
// FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD |
// FREE_IMAGE_SAVE_FLAGS.JPEG_BASELINE);
// }
//}
//_stopwatch.Stop();
//_logger.LogDebug($"FreeImage FromFileStream耗时{_stopwatch.ElapsedMilliseconds}ms");
_stopwatch.Start();
FREE_IMAGE_FORMAT imageFormat = 0;
switch (imageHandleDto.ImageExtensions.ToLower())
{
case "jpg":
case "jpeg": imageFormat = FREE_IMAGE_FORMAT.FIF_JPEG; break;
case "png": imageFormat = FREE_IMAGE_FORMAT.FIF_PNG; break;
case "gif": imageFormat = FREE_IMAGE_FORMAT.FIF_GIF; break;
case "ico": imageFormat = FREE_IMAGE_FORMAT.FIF_ICO; break;
default: imageFormat = FREE_IMAGE_FORMAT.FIF_UNKNOWN; break;
}
using (var original = FreeImageBitmap.FromFile(fileInfo.PhysicalPath))
{
int x = 0;
int y = 0;
int width = original.Width;
int height = original.Height;
if ((double)original.Width / (double)original.Height > (double)imageHandleDto.ImageWidth / (double)imageHandleDto.ImageHeight)
{
height = original.Height;
width = original.Height * imageHandleDto.ImageWidth / imageHandleDto.ImageHeight;
y = 0;
x = (original.Width - width) / 2;
}
else
{
width = original.Width;
height = original.Width * imageHandleDto.ImageHeight / imageHandleDto.ImageWidth;
x = 0;
y = (original.Height - height) / 2;
}
int left = x, top = y + height, right = x + width, bottom = y;
using (var crop = original.Copy(left, top, right, bottom))
{
using (var resized = crop.GetScaledInstance(imageHandleDto.ImageWidth, imageHandleDto.ImageHeight, FREE_IMAGE_FILTER.FILTER_BICUBIC))
{
//, FREE_IMAGE_FORMAT.FIF_JPEG, FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD | FREE_IMAGE_SAVE_FLAGS.JPEG_BASELINE
resized.Save(newImagePath, imageFormat, FREE_IMAGE_SAVE_FLAGS.DEFAULT);
}
}
}
_stopwatch.Stop();
_logger.LogDebug($"FreeImage FromFilePath耗时{_stopwatch.ElapsedMilliseconds}ms");
fileInfo = base.GetFileInfo(subpath);
return(fileInfo);
}
public new IFileInfo GetFileInfo(string subpath)
{
var fileInfo = base.GetFileInfo(subpath);
if (fileInfo.Exists)
{
return(fileInfo);
}
var matchResult = _options.IsMatch(subpath, _options.PathMatch);
if (!matchResult.Result)
{
return(fileInfo);
}
var imageHandleDto = matchResult.Data;
//生成文件
fileInfo = base.GetFileInfo($"{imageHandleDto.ImagePath}{imageHandleDto.ImageName}.{imageHandleDto.ImageExtensions}");
if (!fileInfo.Exists)
{
return(fileInfo);
}
var newImagePath = Path.Join(Root.Replace("\\", "/"), subpath).Replace("//", "/");
//_stopwatch.Start();
//var settings = new ProcessImageSettings()
//{
// Width = imageHandleDto.ImageWidth,
// Height = imageHandleDto.ImageHeight,
// ResizeMode = CropScaleMode.Max,
// SaveFormat = FileFormat.Jpeg,
// JpegQuality = 75,
// JpegSubsampleMode = ChromaSubsampleMode.Subsample420
//};
//using (var output = new FileStream(newImagePath, FileMode.Create))
//{
// MagicImageProcessor.ProcessImage(fileInfo.PhysicalPath, output, settings);
//}
//_stopwatch.Stop();
//_logger.LogDebug($"Magick.NET耗时{_stopwatch.ElapsedMilliseconds}ms");
//File.Delete(newImagePath);
//_stopwatch.Restart();
//using (var original = FreeImageBitmap.FromFile(fileInfo.PhysicalPath))
//{
// using (var resized = new FreeImageBitmap(original, imageHandleDto.ImageWidth, imageHandleDto.ImageHeight))
// {
// resized.Save(newImagePath, FREE_IMAGE_FORMAT.FIF_JPEG,
// FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD |
// FREE_IMAGE_SAVE_FLAGS.JPEG_BASELINE);
// }
//}
//_stopwatch.Stop();
//_logger.LogDebug($"FreeImage FromFilePath耗时{_stopwatch.ElapsedMilliseconds}ms");
//File.Delete(newImagePath);
//_stopwatch.Restart();
//using (var original = FreeImageBitmap.FromStream(fileInfo.CreateReadStream()))
//{
// using (var resized = new FreeImageBitmap(original, imageHandleDto.ImageWidth, imageHandleDto.ImageHeight))
// {
// resized.Save(newImagePath, FREE_IMAGE_FORMAT.FIF_JPEG,
// FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD |
// FREE_IMAGE_SAVE_FLAGS.JPEG_BASELINE);
// }
//}
//_stopwatch.Stop();
//_logger.LogDebug($"FreeImage FromFileStream耗时{_stopwatch.ElapsedMilliseconds}ms");
_stopwatch.Start();
FREE_IMAGE_FORMAT imageFormat = 0;
switch (imageHandleDto.ImageExtensions.ToLower())
{
case "jpg":
case "jpeg": imageFormat = FREE_IMAGE_FORMAT.FIF_JPEG; break;
case "png": imageFormat = FREE_IMAGE_FORMAT.FIF_PNG; break;
case "gif": imageFormat = FREE_IMAGE_FORMAT.FIF_GIF; break;
case "ico": imageFormat = FREE_IMAGE_FORMAT.FIF_ICO; break;
default: imageFormat = FREE_IMAGE_FORMAT.FIF_UNKNOWN; break;
}
using (var original = FreeImageBitmap.FromFile(fileInfo.PhysicalPath))
{
var size = original.Width / (double)imageHandleDto.ImageWidth;
if ((imageHandleDto.ImageHeight * size) > original.Height)
{
size = original.Height / (double)imageHandleDto.ImageHeight;
}
var width = original.Width / size;
var height = original.Height / size;
width = width > original.Width ? original.Width : width;
height = height > original.Height ? original.Height : height;
using (var resized = original.GetScaledInstance((int)width, (int)height, FREE_IMAGE_FILTER.FILTER_BICUBIC))
{
double left, top, right, bottom;
var halfWidth = Math.Floor(Convert.ToDouble(imageHandleDto.ImageWidth / 2));
var halfHeight = Math.Floor(Convert.ToDouble(imageHandleDto.ImageHeight / 2));
var centerX = Math.Round(width / 2);
var centerY = Math.Round(height / 2);
if (resized.Width > imageHandleDto.ImageWidth)
{
left = centerX - halfWidth;
right = centerX + halfWidth;
}
else
{
left = 0;
right = resized.Width;
}
if (resized.Height > imageHandleDto.ImageHeight)
{
bottom = centerY - halfHeight;
top = centerY + halfHeight;
}
else
{
bottom = 0;
top = resized.Height;
}
using (var crop = resized.Copy((int)left, (int)top, (int)right, (int)bottom))
{
//, FREE_IMAGE_FORMAT.FIF_JPEG, FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD | FREE_IMAGE_SAVE_FLAGS.JPEG_BASELINE
crop.Save(newImagePath, imageFormat, FREE_IMAGE_SAVE_FLAGS.DEFAULT);
}
}
}
_stopwatch.Stop();
_logger.LogDebug($"FreeImage FromFilePath耗时{_stopwatch.ElapsedMilliseconds}ms");
fileInfo = base.GetFileInfo(subpath);
return(fileInfo);
}