Пример #1
0
        private int ReadTexture(BinaryReader reader)
        {
            int returned = 0;

            int width       = Header.Width;
            int height      = Header.Height;
            int BitPerBlock = 0;
            int size        = 0;

            var temp = DDSHelper.ConvertFromDDSAtlus(Header.PixelFormat);

            if (temp != DDSFourCC.NONE)
            {
                BitPerBlock = temp == AuxiliaryLibraries.Media.Formats.DDS.DDSFourCC.DXT1 ? 8 : 16;
                size        = Convert.ToInt32(Math.Ceiling((double)width / 4) *
                                              Math.Ceiling((double)height / 4) *
                                              BitPerBlock) *
                              Header.TileCount;
            }
            else
            {
                size = width * height * BitPerBlock / 8;
            }

            if (Header.Tile)
            {
                dataList.Add(reader.ReadBytes(size));
                returned += size;
            }
            else
            {
                for (int i = 0; i < Header.MipMapCount; i++)
                {
                    returned += size;
                    dataList.Add(reader.ReadBytes(size));

                    width  = width / 2 == 0 ? 1 : width / 2;
                    height = height / 2 == 0 ? 1 : height / 2;

                    if (temp != AuxiliaryLibraries.Media.Formats.DDS.DDSFourCC.NONE)
                    {
                        size = Convert.ToInt32(Math.Ceiling((double)width / 4) *
                                               Math.Ceiling((double)height / 4) *
                                               BitPerBlock);
                    }
                    else
                    {
                        size = width * height * BitPerBlock / 8;
                    }
                }
            }

            return(returned);
        }
Пример #2
0
        public void SetBitmap(Bitmap bitmap)
        {
            Header.Width  = (ushort)bitmap.Width;
            Header.Height = (ushort)(bitmap.Height / Header.TileCount);

            var ddsPF = DDSHelper.ConvertFromDDSAtlus(Header.PixelFormat);

            if (ddsPF == DDSFourCC.NONE)
            {
                var PF = DDSHelper.DDSAtlusToPixelFormat(Header.PixelFormat);
                if (bitmap.PixelFormat != PF)
                {
                    bitmap = bitmap.ConvertTo(PF, null);
                }
                dataList[0] = bitmap.CopyData();

                if (dataList.Count > 1)
                {
                }
            }
            else
            {
                DDSCompressor.DDSCompress(bitmap, ddsPF, out byte[] newData);
                dataList[0] = newData;

                if (dataList.Count > 1)
                {
                    AuxiliaryLibraries.Media.Processing.Scale.Lanczos lanczos = new AuxiliaryLibraries.Media.Processing.Scale.Lanczos();
                    Bitmap temp = bitmap;
                    for (int i = 1; i < dataList.Count; i++)
                    {
                        temp = lanczos.imageScale(temp, 0.5f, 0.5f);
                        DDSCompressor.DDSCompress(temp.Width, temp.Height, temp.CopyData(), ddsPF, out newData);
                        dataList[i] = newData;
                    }
                }
            }

            Header.SizeTexture  = dataList.Sum(x => x.Length);
            Header.SizeWOHeader = Header.SizeTexture + (LastBlock == null ? 0 : LastBlock.Length);

            this.bitmap = null;
        }
Пример #3
0
        public Bitmap GetBitmap()
        {
            if (bitmap == null)
            {
                var ddsPF = DDSHelper.ConvertFromDDSAtlus(Header.PixelFormat);

                if (ddsPF == DDSFourCC.NONE)
                {
                    var PF = DDSHelper.DDSAtlusToPixelFormat(Header.PixelFormat);
                    bitmap = new Bitmap(Header.Width, Header.Height * Header.TileCount, PF, dataList[0], null);
                }
                else
                {
                    DDSDecompressor.DDSDecompress(Header.Width, Header.Height * Header.TileCount, dataList[0], ddsPF, out byte[] newData);
                    bitmap = new Bitmap(Header.Width, Header.Height * Header.TileCount, PixelFormats.Bgra32, newData, null);
                }
            }

            return(bitmap);
        }