void ConvertImage(string filename)
{
string source_ext = Path.GetExtension(filename).TrimStart('.').ToLowerInvariant();
string target_name = Path.GetFileName(filename);
string target_ext = m_image_format.Extensions.FirstOrDefault();
target_name = Path.ChangeExtension(target_name, target_ext);
using (var file = BinaryStream.FromFile(filename))
{
var src_format = ImageFormat.FindFormat(file);
if (null == src_format)
{
return;
}
Stream output = null;
try
{
if (src_format.Item1 == m_image_format && m_image_format.Extensions.Any(ext => ext == source_ext))
{
if (AreSamePaths(filename, target_name))
{
return;
}
output = CreateNewFile(target_name);
file.Position = 0;
file.AsStream.CopyTo(output);
}
else
{
file.Position = 0;
var image = src_format.Item1.Read(file, src_format.Item2);
output = CreateNewFile(target_name);
m_image_format.Write(output, image);
}
}
catch // delete destination file on conversion failure
{
// FIXME if user chooses to overwrite file, and conversion results in error,
// then original file will be lost.
output.Dispose();
output = null;
File.Delete(target_name);
throw;
}
finally
{
if (output != null)
{
output.Dispose();
}
}
}
}
void PrintMetaData(string filename)
{
using (var file = BinaryStream.FromFile(filename))
{
var format = ImageFormat.FindFormat(file);
if (null == format)
{
Console.Error.WriteLine("{0}: file format not recognized", filename);
return;
}
var image = format.Item2;
Console.WriteLine("{0,16} [{4}] {1}x{2} {3}bpp", filename, image.Width, image.Height, image.BPP, format.Item1.Tag);
}
}
void ConvertFile(string filename, ImageFormat format)
{
ImageData image;
using (var file = BinaryStream.FromFile(filename))
{
image = ImageFormat.Read(file);
if (null == image)
{
Console.Error.WriteLine("{0}: Unknown image format", filename);
return;
}
}
string target_ext = format.Extensions.First();
string outname = Path.GetFileNameWithoutExtension(filename) + '.' + target_ext;
Console.WriteLine("{0} => {1}", filename, outname);
using (var outfile = new FileStream(outname, FileMode.Create, FileAccess.Write))
{
format.Write(outfile, image);
}
}
void ConvertAudio(string filename)
{
using (var file = BinaryStream.FromFile(filename))
using (var input = AudioFormat.Read(file))
{
if (null == input)
{
return;
}
string output_name = Path.GetFileName(filename);
var source_ext = Path.GetExtension(filename).TrimStart('.').ToLowerInvariant();
string source_format = input.SourceFormat;
if (CommonAudioFormats.Contains(source_format))
{
if (source_ext == source_format)
{
return;
}
output_name = Path.ChangeExtension(output_name, source_format);
using (var output = CreateNewFile(output_name))
{
input.Source.Position = 0;
input.Source.CopyTo(output);
}
}
else
{
if (source_ext == "wav")
{
return;
}
output_name = Path.ChangeExtension(output_name, "wav");
using (var output = CreateNewFile(output_name))
AudioFormat.Wav.Write(input, output);
}
}
}