/// <summary>
/// 開始讀取數據
/// </summary>
/// <param name="p_Bytes">PCX文件訊息</param>
private void Load(byte[] p_Bytes)
{
byte[] _Bytes = p_Bytes;
data = p_Bytes;
if (_Bytes[0] != 0x0A)
{
return;
}
m_Head = new PCXHEAD(_Bytes);
m_ReadIndex = 128;
PixelFormat _PixFormate = PixelFormat.Format24bppRgb;
if (m_Head.Colour_Planes == 1)
{
switch (m_Head.Bits_Per_Pixel)
{
case 8:
_PixFormate = PixelFormat.Format8bppIndexed;
break;
case 1:
_PixFormate = PixelFormat.Format1bppIndexed;
break;
}
}
m_Image = new Bitmap(m_Head.Width, m_Head.Height, _PixFormate);
BitmapData _Data = m_Image.LockBits(new Rectangle(0, 0, m_Image.Width, m_Image.Height), ImageLockMode.ReadWrite, _PixFormate);
byte[] _BmpData = new byte[_Data.Stride * _Data.Height];
for (int i = 0; i != m_Head.Height; i++)
{
byte[] _RowColorValue = new byte[0];
switch (m_Head.Colour_Planes)
{
case 3: //24位
_RowColorValue = LoadPCXLine24(_Bytes);
break;
case 1: //256色
switch(m_Head.Bits_Per_Pixel)
{
case 8:
_RowColorValue = LoadPCXLine8(_Bytes);
break;
case 1:
_RowColorValue = LoadPCXLine1(_Bytes);
break;
}
break;
}
int _Count = _RowColorValue.Length;
Array.Copy(_RowColorValue, 0, _BmpData, i * _Data.Stride, _Data.Stride);
}
Marshal.Copy(_BmpData, 0, _Data.Scan0, _BmpData.Length);
m_Image.UnlockBits(_Data);
switch (m_Head.Colour_Planes)
{
case 1:
if (m_Head.Bits_Per_Pixel == 8)
{
ColorPalette _Palette = m_Image.Palette;
m_ReadIndex = p_Bytes.Length - 256 * 3;
for (int i = 0; i != 256; i++)
{
_Palette.Entries[i] = Color.FromArgb(p_Bytes[m_ReadIndex], p_Bytes[m_ReadIndex + 1], p_Bytes[m_ReadIndex + 2]);
m_ReadIndex += 3;
}
m_Image.Palette = _Palette;
}
break;
}
}
public void getHeader()
{
header = m_Head;
}
