Example #1
0
        public Palette(PAAType format)
        {
            MaxColor = new PackedColor(0xffffffff);
            switch (format)
            {
            case PAAType.RGBA_4444:
            case PAAType.RGBA_8888:
            case PAAType.AI88:
                AverageColor = new PackedColor(0x80c02020);
                break;

            default:
                AverageColor = new PackedColor(0xff802020);
                break;
            }
        }
Example #2
0
        public void Read(BinaryReaderEx input, int[] startOffsets)
        {
            //read Taggs
            while (input.ReadAscii(4) == "GGAT")
            {
                var taggName = input.ReadAscii(4);
                int taggSize = input.ReadInt32();

                switch (taggName)
                {
                case "CXAM":     //MAXC
                    Debug.Assert(taggSize == 4);
                    MaxColor = new PackedColor(input.ReadUInt32());
                    break;

                case "CGVA":     //AVGC
                    Debug.Assert(taggSize == 4);
                    AverageColor = new PackedColor(input.ReadUInt32());
                    break;

                case "GALF":     //FLAG
                    Debug.Assert(taggSize == 4);

                    int flags = input.ReadInt32();
                    if ((flags & PicFlagAlpha) != 0)
                    {
                        IsAlpha = true;
                    }
                    if ((flags & PicFlagTransparent) != 0)
                    {
                        IsTransparent = true;
                    }
                    break;

                case "SFFO":     //OFFS
                    int nOffs = taggSize / sizeof(int);
                    for (int i = 0; i < nOffs; i++)
                    {
                        startOffsets[i] = input.ReadInt32();
                    }
                    break;

                case "ZIWS":     //SWIZ
                    input.Position += taggSize;
                    break;

                default:
                    //just skip the data
                    Debug.Fail("What is that unknown PAA tagg?");
                    input.Position += taggSize;
                    break;
                }
            }
            input.Position -= 4;

            //read palette colors
            var nPaletteColors = input.ReadUInt16();

            Colors = new PackedColor[nPaletteColors];
            for (int index = 0; index < nPaletteColors; ++index)
            {
                var b = input.ReadByte();
                var g = input.ReadByte();
                var r = input.ReadByte();
                Colors[index] = new PackedColor(r, g, b);
            }
        }