private static bool IsSupportedImageFile(IFormFile file)
{
byte[] fileBytes;
using (var ms = new MemoryStream())
{
file.CopyTo(ms);
fileBytes = ms.ToArray();
}
return(SupportedImageFormats.GetImageFormat(fileBytes) != SupportedImageFormats.ImageFormat.unknown);
}
public void ConvertImagesFromFolder(string sourceFolder, string outputFolder, List<SupportedImageFormats> sourceFormats, SupportedImageFormats outputFormat)
{
MainWindow.StateControl(true);
MainWindow.TxtProgressText.Visibility = Visibility.Visible;
MainWindow.TxtProgressText.Text = "Search files, please wait...";
MainWindow.TxtProgressText.Foreground = new SolidColorBrush(Colors.Blue);
DoEvents();
var foundFiles = new List<string>();
foreach (var sourceFormat in sourceFormats) {
var mask = string.Format("*.{0}", sourceFormat.ToString().ToLower());
foundFiles.AddRange(Directory.GetFiles(sourceFolder, mask, SearchOption.AllDirectories));
}
MainWindow.PbProgress.Visibility = Visibility.Visible;
MainWindow.PbProgress.Value = 0;
MainWindow.PbProgress.Maximum = foundFiles.Count;
MainWindow.HasStop = false;
foreach (var foundFile in foundFiles) {
if (MainWindow.HasStop) break;
MainWindow.TxtProgressText.Text = string.Format("{2:0.0}% Convert image {0} to {1}...",
MainWindow.PbProgress.Value,
MainWindow.PbProgress.Maximum,
MainWindow.PbProgress.Value / MainWindow.PbProgress.Maximum * 100);
MainWindow.TxtProgressText.Foreground = new SolidColorBrush(Colors.SeaGreen);
MainWindow.PbProgress.Value++;
DoEvents();
using (var fs = File.Open(foundFile, FileMode.Open)) {
FREE_IMAGE_FORMAT targetFormat;
switch (MainWindow.OutputFormat) {
case SupportedImageFormats.Dds: targetFormat = FREE_IMAGE_FORMAT.FIF_DDS; break;
case SupportedImageFormats.Png: targetFormat = FREE_IMAGE_FORMAT.FIF_PNG; break;
case SupportedImageFormats.Jpg: targetFormat = FREE_IMAGE_FORMAT.FIF_JPEG; break;
case SupportedImageFormats.Gif: targetFormat = FREE_IMAGE_FORMAT.FIF_GIF; break;
case SupportedImageFormats.Bmp: targetFormat = FREE_IMAGE_FORMAT.FIF_BMP; break;
default: continue;
}
var tmp = foundFile.Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries);
var foundFileExt = tmp[tmp.Length - 1];
var outputFileName = foundFile.Replace(string.Format(@"{0}\", sourceFolder), "")
.Replace(@"\", "_")
.Replace(string.Format(".{0}", foundFileExt), string.Format(".{0}", outputFormat.ToString().ToLower()));
outputFileName = string.Format(@"{0}\{1}", outputFolder, outputFileName);
try {
var output = FreeImage.LoadFromStream(fs);
if (output.IsNull) continue;
switch (targetFormat) {
case FREE_IMAGE_FORMAT.FIF_PNG:
FreeImage.SaveEx(output, outputFileName, targetFormat, FREE_IMAGE_SAVE_FLAGS.PNG_Z_NO_COMPRESSION);
break;
case FREE_IMAGE_FORMAT.FIF_GIF:
FreeImage.SaveEx(output, outputFileName, targetFormat);
break;
case FREE_IMAGE_FORMAT.FIF_JPEG:
FreeImage.SaveEx(output, outputFileName, targetFormat, FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD);
break;
case FREE_IMAGE_FORMAT.FIF_DDS:
FreeImage.SaveEx(output, outputFileName, targetFormat);
break;
case FREE_IMAGE_FORMAT.FIF_BMP:
FreeImage.SaveEx(output, outputFileName, targetFormat);
break;
}
} catch (Exception ex) { }
ClearMemory();
}
}
MainWindow.PbProgress.Visibility = Visibility.Collapsed;
MainWindow.TxtProgressText.Visibility = Visibility.Collapsed;
MainWindow.StateControl(false);
}
