public void Export(string FileName, int BPP)
{
int[] ucBitMask = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
int i, ii, ulLen;
bool Dim16Bit = false;
int PBMHeader, uiPixelRep, uiRawPixels;
Color[] tmpPixels;
Color Pixel, LastPixel;
PygmyPBMHeader PBM = new PygmyPBMHeader();
FileStream fs = File.Create(FileName);
UTF8Encoding utf8 = new UTF8Encoding();
BinaryWriter bw = new BinaryWriter(fs, utf8);
//toolStripStatusLabel1.Text = BPP.ToString();
PBMHeader = PBM.ConvertBPP(BPP); Dim16Bit = false;
if (ImageWidth > 255 || ImageHeight > 255)
{
PBMHeader |= PygmyPBMHeader.PYGMY_PBM_16BITD;
Dim16Bit = true;
}
bw.Write((byte)(PBMHeader >> 8));
bw.Write((byte)PBMHeader);
if (Dim16Bit == true)
{
bw.Write((byte)(ImageWidth >> 8));
bw.Write((byte)(ImageWidth));
bw.Write((byte)(ImageHeight >> 8));
bw.Write((byte)(ImageHeight));
}
else
{
bw.Write((byte)ImageWidth);
bw.Write((byte)ImageHeight);
}
i = 0;
ulLen = ImageWidth * ImageHeight;
tmpPixels = new Color[ulLen];
for (int y = 0; y < ImageHeight; y++)
{
for (int x = 0; x < ImageWidth; x++, i++)
{
tmpPixels[i] = Pixels[x, y];
}
}
for (i = 0; i < ulLen; )
{
LastPixel = tmpPixels[i];
for (ii = 0, uiPixelRep = 0; i < ulLen; uiPixelRep++, ++i)// range 0-63
{
Pixel = tmpPixels[i];
if (++ii == 65)
{
break;
}
if (Pixel.R != LastPixel.R || Pixel.G != LastPixel.G || Pixel.B != LastPixel.B)
{
break;
}
}
if (BPP == PygmyPBMHeader.PYGMY_PBM_1BPP)
{
if (uiPixelRep > 7)
{
// RLE
if (LastPixel.R > 0 || LastPixel.G > 0 || LastPixel.B > 0)
{
bw.Write((byte)((uiPixelRep - 1) | PygmyPBMHeader.PYGMY_PBM_RLE | PygmyPBMHeader.PYGMY_PBM_PIXELON)); // BIT7 set for RLE, BIT6 set for pixel ON
}
else
{
bw.Write((byte)((uiPixelRep - 1) | PygmyPBMHeader.PYGMY_PBM_RLE)); //BIT7 set for RLE ON, BIT6 clear for pixel off/transparent
}
}
else
{
// RAW
for (ii = 1, i -= uiPixelRep, uiRawPixels = 0; ii < 8 && i < ulLen; i++, ii++)
{
Pixel = tmpPixels[i];
if (Pixel.R > 0 || Pixel.G > 0 || Pixel.B > 0)
{
uiRawPixels |= ucBitMask[ii];
}
}
bw.Write((byte)uiRawPixels);
}
}
else if (BPP == PygmyPBMHeader.PYGMY_PBM_4BPP)
{
if (uiPixelRep > 0)
{
bw.Write((byte)(uiPixelRep - 1) | PygmyPBMHeader.PYGMY_PBM_RLE | PygmyPBMHeader.PYGMY_PBM_PIXELON);
bw.Write((byte)tmpPixels[i - 1].R << 4);
}
else
{
bw.Write((byte)(uiPixelRep - 1) | PygmyPBMHeader.PYGMY_PBM_PIXELON);
for (ii = 0, i -= uiPixelRep; ii < ((uiPixelRep / 2) * 2) && i < ulLen; )
{
bw.Write((byte)(tmpPixels[i++].R << 4) | (tmpPixels[i++].R & 0x0F));
ii += 2;
} // for
if (ii < uiPixelRep)
{
bw.Write((byte)(tmpPixels[i++].R << 4));
}
}
}
else if (BPP == PygmyPBMHeader.PYGMY_PBM_8BPP)
{
// ToDo: Figure 8BPP
if (uiPixelRep > 0)
{
bw.Write((byte)(uiPixelRep - 1) | PygmyPBMHeader.PYGMY_PBM_RLE | PygmyPBMHeader.PYGMY_PBM_PIXELON);
bw.Write((byte)((LastPixel.R) & 0xE0) | (((LastPixel.G >> 8) & 0xC0) >> 3) | ((LastPixel.B & 0xE0) >> 5));
}
else
{
bw.Write((byte)(uiPixelRep - 1) | PygmyPBMHeader.PYGMY_PBM_PIXELON);
for (ii = 0, i -= uiPixelRep; ii < uiPixelRep && i < ulLen; ii++, i++)
{
bw.Write((byte)(tmpPixels[i].R & 0xE0) | ((tmpPixels[i].G & 0xC0) >> 3) |
((tmpPixels[i].B & 0xE0) >> 5));
}
}
}
else if (BPP == PygmyPBMHeader.PYGMY_PBM_12BPP)
{
if (uiPixelRep > 0)
{
bw.Write((byte)(uiPixelRep - 1) | PygmyPBMHeader.PYGMY_PBM_RLE | PygmyPBMHeader.PYGMY_PBM_PIXELON);
bw.Write((byte)(LastPixel.R >> 4) & 0x000F);
bw.Write((byte)((LastPixel.G) & 0x00F0) | ((LastPixel.B >> 4) & 0x000F));
}
else
{
bw.Write((byte)(uiPixelRep - 1) | PygmyPBMHeader.PYGMY_PBM_PIXELON);
for (ii = 0, i -= uiPixelRep; ii < ((uiPixelRep / 2) * 2) && i < ulLen; )
{
bw.Write((byte)(tmpPixels[i].R & 0xF0) | ((tmpPixels[i].G >> 4) & 0x0F));
bw.Write((byte)(tmpPixels[i].B & 0xF0) | ((tmpPixels[i + 1].R >> 4) & 0x0F));
bw.Write((byte)(tmpPixels[i + 1].G & 0xF0) | ((tmpPixels[i + 1].B >> 4) & 0x0F));
ii += 2;
i += 2;
} // for
if (ii < uiPixelRep)
{
bw.Write((byte)(tmpPixels[i].R & 0xF0) | ((tmpPixels[i].G >> 4) & 0x0F));
bw.Write((byte)(tmpPixels[i].B & 0xF0));
++i;
} // if
} // else
}
else if (BPP == PygmyPBMHeader.PYGMY_PBM_16BPP)
{
if (uiPixelRep == 0)
{
bw.Write((byte)PygmyPBMHeader.PYGMY_PBM_PIXELON);
}
else
{
bw.Write((byte)((uiPixelRep - 1) | (PygmyPBMHeader.PYGMY_PBM_RLE | PygmyPBMHeader.PYGMY_PBM_PIXELON)));
}
bw.Write((byte)((LastPixel.B & 0xF8) | (LastPixel.G >> 5)));
bw.Write((byte)(((LastPixel.G & 0x1C) << 3) | ((LastPixel.R >> 3) & 0x1F)));
/* bw.Write((byte)((tmpPixels[ i-1 ].R & 0xF8 ) | (tmpPixels[ i-1 ].G >> 5 ) ) );
bw.Write((byte)((tmpPixels[ i-1 ].G & 0x1C ) << 3 ) | (( tmpPixels[ i-1 ].B >> 3 ) & 0x1F ) );
}
else
{
bw.Write((byte)(uiPixelRep-1) | PYGMY_PBM_PIXELON );
for( ii = 0, i -= uiPixelRep; ii < uiPixelRep && i < ulLen; ii++, i++ )
{
bw.Write((byte)(tmpPixels[ i ].R & 0xF8 ) | (tmpPixels[ i ].G >> 5 ) );
bw.Write((byte) ((tmpPixels[ i ].G & 0x1C ) << 3 ) | ((tmpPixels[ i ].B >> 3 ) & 0x1F ) );
} // for
} // else
*/
}
else if (BPP == PygmyPBMHeader.PYGMY_PBM_24BPP)
{
if (uiPixelRep > 0)
{
bw.Write((byte)(uiPixelRep - 1) | PygmyPBMHeader.PYGMY_PBM_RLE | PygmyPBMHeader.PYGMY_PBM_PIXELON);
}
else
{
bw.Write((byte)PygmyPBMHeader.PYGMY_PBM_PIXELON);
}
bw.Write((byte)(LastPixel.R));
bw.Write((byte)(LastPixel.G));
bw.Write((byte)(LastPixel.B));
/*}
else
{
bw.Write((byte)(uiPixelRep-1) | PYGMY_PBM_PIXELON );
//for( ii = 0, i -= uiPixelRep; ii < uiPixelRep && i < ulLen; ii++, i++ )
for (ii = 0, i -= uiPixelRep; ii < uiPixelRep && i < ulLen; ii++, i++)
{
bw.Write((byte)tmpPixels[ i ].R );
bw.Write((byte)tmpPixels[ i ].G );
bw.Write((byte)tmpPixels[ i ].B );
}
} */
}
}
bw.Flush();
bw.Close();
fs.Close();
}
public void Load(string FileName)
{
int PygmyHeader;
bool Dim16Bit;
PygmyPBMHeader PBM = new PygmyPBMHeader();
FileStream fs = File.Create(FileName);
UTF8Encoding utf8 = new UTF8Encoding();
BinaryReader br = new BinaryReader(fs, utf8);
// Re-Init the Vectors array
Length = 0;
SelectedIndex = 0;
AddPoly();
// End Re-Init the Vectors Array
PygmyHeader = br.ReadByte() << 8;
PygmyHeader |= br.ReadByte();
Dim16Bit = false;
if ((PygmyHeader & PygmyPBMHeader.PYGMY_PBM_16BITD) != 0)
{
Dim16Bit = true;
}
if (Dim16Bit == true)
{
ImageWidth = br.ReadByte() << 8;
ImageWidth |= br.ReadByte();
ImageHeight = br.ReadByte() << 8;
ImageHeight |= br.ReadByte();
}
else
{
ImageWidth = br.ReadByte();
ImageHeight = br.ReadByte();
}
for (int i = 0; ; i++)
{
int VectorPacketHeader = br.ReadByte();
int VectorType = PBM.ExtractVectorPacketType(VectorPacketHeader);
int VerticeCount = PBM.ExtractVerticeCount(VectorPacketHeader);
if (VectorType == PygmyPBMHeader.PYGMY_VECTOR_END)
{
break;
}
AddPacket(VectorType);
for( int ii = 0; ii < VerticeCount; ii++ )
{
int x, y;
if (Dim16Bit == true)
{
x = ( br.ReadByte() << 8 ) | br.ReadByte();
y = ( br.ReadByte() << 8 ) | br.ReadByte();
}
else
{
x = br.ReadByte();
y = br.ReadByte();
}
AddVertice(x, y);
}
}
fs.Close();
}
