/// <summary>
/// TGAヘッダーの読み込み
/// </summary>
/// <param name="pSrc">画像データ</param>
/// <param name="offset">ヘッダーまでのオフセット</param>
/// <returns>true:読み込み成功</returns>
public bool ReadHeader(byte[] pSrc, int offset)
{
if (pSrc == null)
{
return(false);
}
int ofs = offset;
IDField = pSrc[ofs++];
usePalette = pSrc[ofs++];
imageType = pSrc[ofs++];
paletteIndex = BitConverter.ToUInt16(pSrc, ofs); ofs += sizeof(ushort);
paletteColor = BitConverter.ToUInt16(pSrc, ofs); ofs += sizeof(ushort);
paletteBit = pSrc[ofs++];
imageX = BitConverter.ToUInt16(pSrc, ofs); ofs += sizeof(ushort);
imageY = BitConverter.ToUInt16(pSrc, ofs); ofs += sizeof(ushort);
imageW = BitConverter.ToUInt16(pSrc, ofs); ofs += sizeof(ushort);
imageH = BitConverter.ToUInt16(pSrc, ofs); ofs += sizeof(ushort);
imageBit = pSrc[ofs++];
discripter = pSrc[ofs++];
// DEBUG:サイズチェック
string str = "TGAヘッダーサイズエラー" + ofs + " == " + HEADER_SIZE + "\n";
System.Diagnostics.Debug.Assert(ofs == HEADER_SIZE, str);
return(TGA.CheckSupport(this));
}