static void Main(string[] args)
{
Random rnd = new Random();
vector[,] image = new vector[1500, 1500];
for (int i = 0; i < 1500; i++)
{
for (int j = 0; j < 1500; j++)
{
image[i, j] = new vector(0, 223 , 74);
}
}
FileHandler.writeToBMPFile("C:\\Users\\Pascal Devenoge\\Desktop\\Bild.bmp", image);
}
public static vector[,] readFromBMPFile(string FilePath)
{
BMP24_FILE_HEADER fileHeader = new BMP24_FILE_HEADER();
BMP24_INFO_HEADER infoHeader = new BMP24_INFO_HEADER();
try
{
using (BinaryReader binReader = new BinaryReader(File.Open(FilePath, FileMode.Open)))
{
fileHeader.magic = binReader.ReadUInt16();
fileHeader.fileSize = binReader.ReadUInt32();
fileHeader.reserved1 = binReader.ReadUInt16();
fileHeader.reserved2 = binReader.ReadUInt16();
fileHeader.arrayOffset = binReader.ReadUInt32();
infoHeader.infoHeaderSize = binReader.ReadUInt32();
infoHeader.arrayWidth = binReader.ReadUInt32();
infoHeader.arrayHeight = binReader.ReadUInt32();
infoHeader.colorPlanes = binReader.ReadUInt16();
infoHeader.bitsPerPixel = binReader.ReadUInt16();
infoHeader.compressionType = binReader.ReadUInt32();
infoHeader.arraySize = binReader.ReadUInt32();
infoHeader.xResolution = binReader.ReadUInt32();
infoHeader.yResolution = binReader.ReadUInt32();
infoHeader.colorsInPalette = binReader.ReadUInt32();
infoHeader.importantColors = binReader.ReadUInt32();
vector[,] array = new vector[infoHeader.arrayWidth, infoHeader.arrayHeight];
for (long row = infoHeader.arrayHeight - 1; row >= 0; row--)
{
for (long column = infoHeader.arrayWidth - 1; column >= 0; column--)
{
}
binReader.ReadBytes((int)(4 - (infoHeader.arrayWidth * 3) % 4) % 4));
}
}
}
catch
{
}
}
/// <summary>
/// write an array of RGB values into a Bitmap file
/// </summary>
/// <param name="FilePath">Path where the file should be created</param>
/// <param name="image">RGB array to be stored</param>
public static void writeToBMPFile(string FilePath, vector[,] image)
{
// Create a bitmap file header
BMP24_FILE_HEADER fileHeader = new BMP24_FILE_HEADER();
// Initialize with common values
fileHeader.magic = 0x4D42;
fileHeader.fileSize = 54 + ((uint)image.GetLength(0) * 3 + ((4 - ((uint)image.GetLength(0) * 3) % 4) % 4)) * (uint)image.GetLength(1);
fileHeader.reserved1 = 0;
fileHeader.reserved2 = 0;
fileHeader.arrayOffset = 0x36;
// Create a bitmap info header
BMP24_INFO_HEADER infoHeader = new BMP24_INFO_HEADER();
// Initialize with common values
infoHeader.infoHeaderSize = 0x28;
infoHeader.arrayWidth = (uint)image.GetLength(0);
infoHeader.arrayHeight = (uint)image.GetLength(1);
infoHeader.colorPlanes = 0x01;
infoHeader.bitsPerPixel = 0x18;
infoHeader.compressionType = 0;
infoHeader.arraySize = (uint)(image.GetLength(0) * 3 + ((4 - ((uint)image.GetLength(0) * 3) % 4) % 4)) * (uint)image.GetLength(1);
infoHeader.xResolution = 0x0B13;
infoHeader.yResolution = 0x0B13;
infoHeader.colorsInPalette = 0;
infoHeader.importantColors = 0;
// Write the data to the file
try
{
using (BinaryWriter binWriter = new BinaryWriter(File.Open(FilePath, FileMode.CreateNew))) // Create new file
{
binWriter.Write(fileHeader.magic);
binWriter.Write(fileHeader.fileSize);
binWriter.Write(fileHeader.reserved1);
binWriter.Write(fileHeader.reserved2);
binWriter.Write(fileHeader.arrayOffset);
binWriter.Write(infoHeader.infoHeaderSize);
binWriter.Write(infoHeader.arrayWidth);
binWriter.Write(infoHeader.arrayHeight);
binWriter.Write(infoHeader.colorPlanes);
binWriter.Write(infoHeader.bitsPerPixel);
binWriter.Write(infoHeader.compressionType);
binWriter.Write(infoHeader.arraySize);
binWriter.Write(infoHeader.xResolution);
binWriter.Write(infoHeader.yResolution);
binWriter.Write(infoHeader.colorsInPalette);
binWriter.Write(infoHeader.importantColors);
// Write the content of the array to the file in the right order
for (long row = infoHeader.arrayHeight - 1; row >= 0; row--)
{
for (long column = infoHeader.arrayWidth - 1; column >= 0; column--)
{
binWriter.Write((byte)image[column, row].z);
binWriter.Write((byte)image[column, row].y);
binWriter.Write((byte)image[column, row].x);
}
// Pad rows according to the file format
for (long padCount = (4 - (infoHeader.arrayWidth * 3) % 4) % 4; padCount > 0; padCount--)
{
binWriter.Write((byte)0);
}
}
}
}
// Catch exception if file allready exists
catch (IOException)
{
// Replace generic exception with more specific ones
throw new FileAlreadyExistsException("There already exists a file with this name at the specified path");
}
return;
}
public static void readFromBMPFile(string FilePath, ref vector[,] image)
{
try
{
}
catch
{
}
}
public static double dotProduct(vector a, vector b)
{
return a.x * b.x + a.y * b.y + a.z * b.z;
}
public static vector crossProduct(vector a, vector b)
{
return new vector(a.z * b.y - a.y * b.z, a.x * b.z - a.z * b.x, a.y * b.x - b.y * a.x);
}