Ejemplo n.º 1
0
        static void convertBitmap(string inputFile, string outputFile)
        {
            Image  im = Bitmap.FromFile(inputFile);
            Bitmap b  = new Bitmap(im);

            using (FileStream of = new FileStream(outputFile, FileMode.Create))
                using (BinaryWriter bw = new BinaryWriter(of))
                {
                    bw.Write(MagicCodeBitmap);
                    bw.Write(b.Width);
                    bw.Write(b.Height);

                    UInt32[]    bitmapData = new UInt32[(b.Width * b.Height + 31) / 32];
                    BitStreamer bs         = new BitStreamer(bitmapData);

                    for (int y = 0; y != b.Height; ++y)
                    {
                        for (int x = 0; x != b.Width; ++x)
                        {
                            if (b.GetPixel(x, y).B < 200)
                            {
                                bs.PutBits(1, 1);
                            }
                            else
                            {
                                bs.PutBits(0, 1);
                            }
                        }
                    }
                    foreach (var word in bitmapData)
                    {
                        bw.Write(word);
                    }
                }
        }
Ejemplo n.º 2
0
        static void convertBitmap(string inputFile, string outputFile)
        {
            Image im = Bitmap.FromFile(inputFile);
            Bitmap b = new Bitmap(im);

            using (FileStream of = new FileStream(outputFile, FileMode.Create))
            using (BinaryWriter bw = new BinaryWriter(of))
            {
                bw.Write(MagicCodeBitmap);
                bw.Write(b.Width);
                bw.Write(b.Height);

                UInt32[] bitmapData = new UInt32[(b.Width * b.Height + 31) / 32];
                BitStreamer bs = new BitStreamer(bitmapData);

                for (int y = 0; y != b.Height; ++y)
                {
                    for (int x = 0; x != b.Width; ++x)
                    {
                        if (b.GetPixel(x, y).B < 200)
                            bs.PutBits(1, 1);
                        else
                            bs.PutBits(0, 1);
                    }
                }
                foreach (var word in bitmapData)
                    bw.Write(word);
            }

        }