Exemple #1
0
        static void CreateLUT(string paletteName, System.Drawing.Color[] palette, string outfile, ILCCColorSpace cs, int levels, bool useChroma, bool neutral)
        {
            Log.WriteLine("Creating LUT...");
            Log.WriteLine("  Palette: {0} ({1} colors)", paletteName, palette.Length);
            Log.WriteLine("  Colorspace: {0}", cs.ToString());
            Log.WriteLine("  Output file: {0}", outfile);
            Log.WriteLine("  {0}", useChroma ? "COLOR" : "GREY");
            int imageWidth  = levels * levels;
            int imageHeight = levels;

            Log.WriteLine("  Image size: {0} x {1}", imageWidth, imageHeight);

            Directory.CreateDirectory(Path.GetDirectoryName(outfile));

            var        bmp          = new Bitmap(imageWidth, imageHeight, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
            BitmapData destFontData = bmp.LockBits(new Rectangle(0, 0, imageWidth, imageHeight), ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

            int chromaComponents = useChroma ? 2 : 0;

            for (double ir = 0; ir < levels; ++ir)
            {
                for (double ig = 0; ig < levels; ++ig)
                {
                    for (double ib = 0; ib < levels; ++ib)
                    {
                        // Y coord = green (top = 0, bottom = 1)
                        // X coord = red (left = 0; right = 1)
                        // X cell = blue (left = 0; right = 1)
                        ColorF srcColor = ColorF.FromRGB(ir / levels, ig / levels, ib / levels);
                        //srcColor = ColorF.FromRGB(.5,.3,.2);
                        int y = levels - (int)ig - 1;
                        int x = (int)ib * levels;
                        x += (int)ir;

                        if (neutral)
                        {
                            destFontData.SetPixel(x, y, srcColor);
                        }
                        else
                        {
                            // find the nearest color in the palette.
                            // a value set normally consists of multiple luma & chroma components for a char (for example 5 luma + 2 chroma)
                            // for this we just have the normal default. all our colorspaces are LCC (luma chroma chroma).
                            ValueSet             srcValueSet  = cs.GetValueSetForSinglePixel(srcColor, useChroma);
                            System.Drawing.Color closestColor = System.Drawing.Color.Black;
                            double closestDistance            = 1e6;

                            foreach (var pc in palette)
                            {
                                ColorF   paletteColor = pc.ToColorF();
                                ValueSet palValueSet  = cs.GetValueSetForSinglePixel(paletteColor, useChroma);
                                double   dist         = cs.ColorDistance(srcValueSet, palValueSet, 1 /*luma L*/, chromaComponents);
                                if (dist < closestDistance)
                                {
                                    closestDistance = dist;
                                    closestColor    = pc;
                                }
                            }

                            //closestColor = srcColor;
                            destFontData.SetPixel(x, y, closestColor);
                            //destFontData.SetPixel(x, y, srcColor);
                        }
                    }
                }
            }

            bmp.UnlockBits(destFontData);

            bmp.Save(outfile);
            bmp.Dispose();
            bmp = null;
        }
Exemple #2
0
        public int refFontIndex;      // index in the ref font texture
                                      //public UInt32 mapKeysVisited = 0;
                                      //public int? ifg;// only for mono palette processing, index to palette
                                      //public int? ibg;// only for mono palette processing
                                      //public int masterIdx;// index into the charInfo list

#if DEBUG
        //public Point fontImagePixelPos;
        //public Point fontImageCellPos;
#endif

        public CharInfo(int dimensionsPerCharacter)
        {
            actualValues = ValueSet.New(dimensionsPerCharacter, 9999);
        }