コード例 #1
0
ファイル: Common.cs プロジェクト: DarkSynopsis/Kuriimu
        static IEnumerable <Color> GetColorsFromTexture(byte[] tex, Format format)
        {
            using (var br = new BinaryReaderX(new MemoryStream(tex)))
            {
                var etc1decoder = new ETC1.Decoder();

                while (true)
                {
                    int a = 255, r = 255, g = 255, b = 255;
                    switch (format)
                    {
                    case Format.L8:
                        b = g = r = br.ReadByte();
                        break;

                    case Format.A8:
                        a = br.ReadByte();
                        break;

                    case Format.LA44:
                        a = br.ReadNibble() * 17;
                        b = g = r = br.ReadNibble() * 17;
                        break;

                    case Format.LA88:
                        a = br.ReadByte();
                        b = g = r = br.ReadByte();
                        break;

                    case Format.HL88:
                        g = br.ReadByte();
                        r = br.ReadByte();
                        break;

                    case Format.RGB565:
                        var s = br.ReadUInt16();
                        b = (s % 32) * 33 / 4;
                        g = (s >> 5) % 64 * 65 / 16;
                        r = (s >> 11) * 33 / 4;
                        break;

                    case Format.RGB888:
                        b = br.ReadByte();
                        g = br.ReadByte();
                        r = br.ReadByte();
                        break;

                    case Format.RGBA5551:
                        var s2 = br.ReadUInt16();
                        a = (s2 & 1) * 255;
                        b = (s2 >> 1) % 32 * 33 / 4;
                        g = (s2 >> 6) % 32 * 33 / 4;
                        r = (s2 >> 11) % 32 * 33 / 4;
                        break;

                    case Format.RGBA4444:
                        a = br.ReadNibble() * 17;
                        b = br.ReadNibble() * 17;
                        g = br.ReadNibble() * 17;
                        r = br.ReadNibble() * 17;
                        break;

                    case Format.RGBA8888:
                        a = br.ReadByte();
                        b = br.ReadByte();
                        g = br.ReadByte();
                        r = br.ReadByte();
                        break;

                    case Format.ETC1:
                    case Format.ETC1A4:
                        yield return(etc1decoder.Get(() =>
                        {
                            var alpha = (format == Format.ETC1A4) ? br.ReadUInt64() : ulong.MaxValue;
                            return new ETC1.PixelData {
                                Alpha = alpha, Block = br.ReadStruct <ETC1.Block>()
                            };
                        }));

                        continue;

                    case Format.L4:
                        b = g = r = br.ReadNibble() * 17;
                        break;

                    case Format.A4:
                        a = br.ReadNibble() * 17;
                        break;

                    default:
                        throw new NotSupportedException($"Unknown image format {format}");
                    }
                    yield return(Color.FromArgb(a, r, g, b));
                }
            }
        }
コード例 #2
0
ファイル: Common.cs プロジェクト: shenhaiyu/Kuriimu
        static IEnumerable <Color> GetColorsFromTexture(byte[] tex, ImageSettings settings)
        {
            var format = settings.Format;

            using (var br = new BinaryReaderX(new MemoryStream(tex)))
            {
                var etc1decoder = new ETC1.Decoder();

                Enum.TryParse <DXT.Formats>(format.ToString(), false, out var dxtFormat);
                var dxtdecoder = new DXT.Decoder(dxtFormat);

                Enum.TryParse <ATI.Formats>(format.ToString(), false, out var atiFormat);
                var atidecoder = new ATI.Decoder(atiFormat);

                while (true)
                {
                    int a = 255, r = 255, g = 255, b = 255;
                    switch (format)
                    {
                    case Format.L8:
                        b = g = r = br.ReadByte();
                        break;

                    case Format.A8:
                        a = br.ReadByte();
                        break;

                    case Format.LA44:
                        a = br.ReadNibble() * 17;
                        b = g = r = br.ReadNibble() * 17;
                        break;

                    case Format.LA88:
                        if (settings.ByteOrder == ByteOrder.LittleEndian)
                        {
                            a = br.ReadByte();
                            b = g = r = br.ReadByte();
                        }
                        else
                        {
                            b = g = r = br.ReadByte();
                            a = br.ReadByte();
                        }
                        break;

                    case Format.HL88:
                        g = br.ReadByte();
                        r = br.ReadByte();
                        break;

                    case Format.RGB565:
                        var s = br.ReadUInt16();
                        b = (s % 32) * 33 / 4;
                        g = (s >> 5) % 64 * 65 / 16;
                        r = (s >> 11) * 33 / 4;
                        break;

                    case Format.RGB888:
                        b = br.ReadByte();
                        g = br.ReadByte();
                        r = br.ReadByte();
                        break;

                    case Format.RGBA5551:
                        var s2 = br.ReadUInt16();
                        a = (s2 & 1) * 255;
                        b = (s2 >> 1) % 32 * 33 / 4;
                        g = (s2 >> 6) % 32 * 33 / 4;
                        r = (s2 >> 11) % 32 * 33 / 4;
                        break;

                    case Format.RGBA4444:
                        a = br.ReadNibble() * 17;
                        b = br.ReadNibble() * 17;
                        g = br.ReadNibble() * 17;
                        r = br.ReadNibble() * 17;
                        break;

                    case Format.RGBA8888:
                        if (settings.ByteOrder == ByteOrder.LittleEndian)
                        {
                            a = br.ReadByte();
                            b = br.ReadByte();
                            g = br.ReadByte();
                            r = br.ReadByte();
                        }
                        else
                        {
                            r = br.ReadByte();
                            g = br.ReadByte();
                            b = br.ReadByte();
                            a = br.ReadByte();
                        }
                        break;

                    case Format.RGBA1010102:
                        var pack = br.ReadUInt32();
                        r = (int)((pack >> 22) / 4);
                        g = (int)(((pack >> 12) & 0x3FF) / 4);
                        b = (int)(((pack >> 2) & 0x3FF) / 4);
                        a = (int)((pack & 0x3) * 85);
                        break;

                    case Format.ETC1:
                    case Format.ETC1A4:
                        yield return(etc1decoder.Get(() =>
                        {
                            var etc1Alpha = format == Format.ETC1A4 ? br.ReadUInt64() : ulong.MaxValue;
                            return new ETC1.PixelData {
                                Alpha = etc1Alpha, Block = br.ReadStruct <ETC1.Block>()
                            };
                        }));

                        continue;

                    case Format.DXT1:
                    case Format.DXT3:
                    case Format.DXT5:
                        yield return(dxtdecoder.Get(() =>
                        {
                            if (br.BaseStream.Position == br.BaseStream.Length)
                            {
                                return (0, 0);
                            }
                            var dxt5Alpha = format == Format.DXT3 || format == Format.DXT5 ? br.ReadUInt64() : 0;
                            return (dxt5Alpha, br.ReadUInt64());
                        }));

                        continue;

                    case Format.ATI1L:
                    case Format.ATI1A:
                    case Format.ATI2:
                        yield return(atidecoder.Get(() =>
                        {
                            if (br.BaseStream.Position == br.BaseStream.Length)
                            {
                                return (0, 0);
                            }
                            return (br.ReadUInt64(), format == Format.ATI2 ? br.ReadUInt64() : 0);
                        }));

                        continue;

                    case Format.L4:
                        b = g = r = br.ReadNibble() * 17;
                        break;

                    case Format.A4:
                        a = br.ReadNibble() * 17;
                        break;

                    case Format.PVRTC:
                        var bmp = PVRTC.PvrtcDecompress.DecodeRgb4Bpp(tex, settings.Width);
                        for (int y = 0; y < settings.Height; y++)
                        {
                            for (int x = 0; x < settings.Width; x++)
                            {
                                yield return(bmp.GetPixel(x, y));
                            }
                        }
                        continue;

                    case Format.PVRTCA:
                        bmp = PVRTC.PvrtcDecompress.DecodeRgba4Bpp(tex, settings.Width);
                        for (int y = 0; y < settings.Height; y++)
                        {
                            for (int x = 0; x < settings.Width; x++)
                            {
                                yield return(bmp.GetPixel(x, y));
                            }
                        }
                        continue;

                    default:
                        throw new NotSupportedException($"Unknown image format {format}");
                    }
                    yield return(Color.FromArgb(a, r, g, b));
                }
            }
        }
コード例 #3
0
ファイル: Common.cs プロジェクト: Moonstriker/Kuriimu
        static IEnumerable <Color> GetColorsFromTexture(byte[] tex, Format format)
        {
            using (var br = new BinaryReaderX(new MemoryStream(tex)))
            {
                var etc1decoder = new ETC1.Decoder();
                Enum.TryParse <DXT.Formats>(format.ToString(), false, out var dxtFormat);
                var dxtdecoder = new DXT.Decoder(dxtFormat);

                while (true)
                {
                    int a = 255, r = 255, g = 255, b = 255;
                    switch (format)
                    {
                    case Format.L8:
                        b = g = r = br.ReadByte();
                        break;

                    case Format.A8:
                        a = br.ReadByte();
                        break;

                    case Format.LA44:
                        a = br.ReadNibble() * 17;
                        b = g = r = br.ReadNibble() * 17;
                        break;

                    case Format.LA88:
                        a = br.ReadByte();
                        b = g = r = br.ReadByte();
                        break;

                    case Format.HL88:
                        g = br.ReadByte();
                        r = br.ReadByte();
                        break;

                    case Format.RGB565:
                        var s = br.ReadUInt16();
                        b = (s % 32) * 33 / 4;
                        g = (s >> 5) % 64 * 65 / 16;
                        r = (s >> 11) * 33 / 4;
                        break;

                    case Format.RGB888:
                        b = br.ReadByte();
                        g = br.ReadByte();
                        r = br.ReadByte();
                        break;

                    case Format.RGBA5551:
                        var s2 = br.ReadUInt16();
                        a = (s2 & 1) * 255;
                        b = (s2 >> 1) % 32 * 33 / 4;
                        g = (s2 >> 6) % 32 * 33 / 4;
                        r = (s2 >> 11) % 32 * 33 / 4;
                        break;

                    case Format.RGBA4444:
                        a = br.ReadNibble() * 17;
                        b = br.ReadNibble() * 17;
                        g = br.ReadNibble() * 17;
                        r = br.ReadNibble() * 17;
                        break;

                    case Format.RGBA8888:
                        a = br.ReadByte();
                        b = br.ReadByte();
                        g = br.ReadByte();
                        r = br.ReadByte();
                        break;

                    case Format.ETC1:
                    case Format.ETC1A4:
                        yield return(etc1decoder.Get(() =>
                        {
                            var etc1Alpha = format == Format.ETC1A4 ? br.ReadUInt64() : ulong.MaxValue;
                            return new ETC1.PixelData {
                                Alpha = etc1Alpha, Block = br.ReadStruct <ETC1.Block>()
                            };
                        }));

                        continue;

                    case Format.DXT1:
                    case Format.DXT3:
                    case Format.DXT5:
                        yield return(dxtdecoder.Get(() =>
                        {
                            if (br.BaseStream.Position == br.BaseStream.Length)
                            {
                                return (0, 0);
                            }
                            var dxt5Alpha = format == Format.DXT3 || format == Format.DXT5 ? br.ReadUInt64() : 0;
                            return (dxt5Alpha, br.ReadUInt64());
                        }));

                        continue;

                    case Format.L4:
                        b = g = r = br.ReadNibble() * 17;
                        break;

                    case Format.A4:
                        a = br.ReadNibble() * 17;
                        break;

                    default:
                        throw new NotSupportedException($"Unknown image format {format}");
                    }
                    yield return(Color.FromArgb(a, r, g, b));
                }
            }
        }