public static void Run(string[] args)
{
if (args.Length < 2)
{
var appName = System.AppDomain.CurrentDomain.FriendlyName;
Console.WriteLine("Invalid command. Syntax: " + appName + " <orig file> <dest file>");
}
else
{
// Intermediate format
Image image = null;
string file1 = args[0];
string file2 = args[1];
// Check source and destionation formats
FORMAT fromFormat;
FORMAT toFormat;
if (file1.ToLower().Contains(".dds"))
{
fromFormat = FORMAT.DDS;
}
else if (file1.ToLower().Contains(".bmp"))
{
fromFormat = FORMAT.BMP;
}
else
{
Console.WriteLine("Unknown file extension: " + file1);
return;
}
if (file2.ToLower().Contains(".dds"))
{
toFormat = FORMAT.DDS;
}
else if (file2.ToLower().Contains(".bmp"))
{
toFormat = FORMAT.BMP;
}
else
{
Console.WriteLine("Unknown file extension: " + file2);
return;
}
try
{
// Read into Intermediate format
using (var fileStream = new FileStream(file1, FileMode.Open))
{
if (fromFormat == FORMAT.DDS)
{
image = DDS.DDS.read(fileStream);
}
else if (fromFormat == FORMAT.BMP)
{
image = BMP.BMP.read(fileStream);
}
fileStream.Close();
}
// Save into final format
File.Delete(file2);
using (var fileStream = new FileStream(file2, FileMode.OpenOrCreate))
{
if (toFormat == FORMAT.DDS)
{
DDS.DDS dds = image;
dds.write(fileStream);
}
else if (toFormat == FORMAT.BMP)
{
BMP.BMP bmp = image;
bmp.write(fileStream);
}
fileStream.Close();
}
}
catch (FileNotFoundException e)
{
Console.WriteLine("File not found! " + file1);
}
}
}
public static BMP read(Stream stream)
{
var image = new BMP();
int readIndex = 0;
// Read headers
readIndex += stream.ReadStruct(out image.fileHeader);
readIndex += stream.ReadStruct(out image.infoHeader);
if (image.infoHeader.biBitCount != 24 ||
image.infoHeader.biCompression != BITMAPINFOHEADER.CompressionMode.BI_RGB)
{
throw new NotImplementedException("Format not implemented");
}
// Ensure we jump to the offset
int seek = (int)image.fileHeader.bfOffBits - readIndex;
stream.Seek(seek, SeekOrigin.Current);
uint _height = image.uheight;
uint _width = image.width;
uint _size = _height * _width;
// Initialize pixel matrix
image.pixels = new BGR[_size];
uint imagePadding = image.padding;
// Optimize loop if there is no padding
if (imagePadding > 0)
{
uint index = 0;
for (uint i = 0; i < _height; i++)
{
for (uint j = 0; j < _width; j++, index++)
{
BGR color;
readIndex += stream.ReadStruct(out color);
image[index] = color;
}
if (imagePadding > 0)
{
stream.Seek(imagePadding, SeekOrigin.Current);
}
}
}
else
{
for (uint i = 0; i < _size; i++)
{
BGR color;
readIndex += stream.ReadStruct(out color);
image[i] = color;
}
}
return image;
}
public static BMP read(Stream stream)
{
var image = new BMP();
int readIndex = 0;
// Read headers
readIndex += stream.ReadStruct(out image.fileHeader);
readIndex += stream.ReadStruct(out image.infoHeader);
if (image.infoHeader.biBitCount != 24 ||
image.infoHeader.biCompression != BITMAPINFOHEADER.CompressionMode.BI_RGB)
{
throw new NotImplementedException("Format not implemented");
}
// Ensure we jump to the offset
int seek = (int)image.fileHeader.bfOffBits - readIndex;
stream.Seek(seek, SeekOrigin.Current);
uint _height = image.uheight;
uint _width = image.width;
uint _size = _height * _width;
// Initialize pixel matrix
image.pixels = new BGR[_size];
uint imagePadding = image.padding;
// Optimize loop if there is no padding
if (imagePadding > 0)
{
uint index = 0;
for (uint i = 0; i < _height; i++)
{
for (uint j = 0; j < _width; j++, index++)
{
BGR color;
readIndex += stream.ReadStruct(out color);
image[index] = color;
}
if (imagePadding > 0)
{
stream.Seek(imagePadding, SeekOrigin.Current);
}
}
}
else
{
for (uint i = 0; i < _size; i++)
{
BGR color;
readIndex += stream.ReadStruct(out color);
image[i] = color;
}
}
return(image);
}
