private int neighborSamples(StitchType type)
{
int ret;
switch (type)
{
case StitchType.ToSame:
ret = numSamples;
break;
case StitchType.ToLower:
ret = numSamples / 2;
break;
case StitchType.ToHigher:
ret = numSamples * 2;
break;
case StitchType.None:
default:
Debug.Assert(false, "stitching:attempted to get samples from non-existent neighbor");
ret = 0;
break;
}
return(ret);
}
public Stitch(Point pointA, Point pointB, int extraBits1, int extraBits2, MoveBitSize XMoveBits, MoveBitSize YMoveBits, StitchType stitchType)
{
this.a = pointA;
this.b = pointB;
this.extraBits1 = extraBits1;
this.extraBits2 = extraBits2;
this.XMoveBits = XMoveBits;
this.YMoveBits = YMoveBits;
this.stitchType = stitchType;
}
public Stitch(Point pointA, Point pointB, int extraBits1, int extraBits2, MoveBitSize XMoveBits, MoveBitSize YMoveBits, StitchType stitchType)
{
this.a = pointA;
this.b = pointB;
this.extraBits1 = extraBits1;
this.extraBits2 = extraBits2;
this.XMoveBits = XMoveBits;
this.YMoveBits = YMoveBits;
this.stitchType = stitchType;
}
private int neighborSamples(StitchType type)
{
int ret;
switch ( type )
{
case StitchType.ToSame:
ret = numSamples;
break;
case StitchType.ToLower:
ret = numSamples / 2;
break;
case StitchType.ToHigher:
ret = numSamples * 2;
break;
case StitchType.None:
default:
Debug.Assert(false, "stitching:attempted to get samples from non-existent neighbor");
ret = 0;
break;
}
return ret;
}
public void LoadFromFile(string path)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
if (!File.Exists(path))
{
throw new FileNotFoundException("File not found.", path);
}
_threadColors.Clear();
_stitchBlocks.Clear();
_filePath = path;
string pesVersion;
log.InfoFormat("Reading file: {0}", _filePath);
BinaryReader pesData = new BinaryReader(File.OpenRead(_filePath));
string pesHeader = new string(pesData.ReadChars(4));
log.DebugFormat("Header string: {0}", pesHeader);
if (pesHeader != "#PES")
{
throw new FileLoadException("The specified file is not a valid PES file.", _filePath);
}
pesVersion = new string(pesData.ReadChars(4));
log.DebugFormat("Pes version: {0}", pesVersion);
uint pecStart = pesData.ReadUInt32();
log.DebugFormat("Pec start: {0}", pecStart);
pesData.BaseStream.Position = pecStart + 3;
_designName = new string(pesData.ReadChars(16));
_designName = _designName.Trim();
log.DebugFormat("Internal name: {0}", _designName);
pesData.BaseStream.Position = pecStart + 48;
int colorCount = pesData.ReadByte() + 1;
log.DebugFormat("Color count: {0}", colorCount);
log.Info("Reading color data...");
for (int i = 0; i < colorCount; i++)
{
int colorIndex = pesData.ReadByte();
colorIndex--;
if (colorIndex > 63 || colorIndex < 0)
{
_threadColors.Add(_availableColors[15]);
}
else
{
_threadColors.Add(_availableColors[colorIndex]);
}
log.DebugFormat("Added color {0}", _threadColors[i].Name);
}
pesData.BaseStream.Position = pecStart + 514;
uint pecLength = pesData.ReadUInt16();
uint pecEnd = pecStart + 514 + pecLength;
log.DebugFormat("Pec Length: {0}", pecLength);
log.DebugFormat("Pec End: {0}", pecEnd);
_width = pesData.ReadUInt16();
_height = pesData.ReadUInt16();
pesData.BaseStream.Position = pecStart + 532;
int bx, by, dx, dy, x, y, mx, my, nx, ny;
bx = by = dx = dy = x = y = mx = my = nx = ny = 0;
int c = 0;
bool jmp = false;
StitchBlock sb = new StitchBlock(_threadColors[c]);
while (pesData.BaseStream.Position < pecEnd)
{
bx = pesData.ReadByte();
by = pesData.ReadByte();
//log.DebugFormat("Bytes x={0}, y={1}", bx, by);
if (bx == 255 && by == 0)
{
//log.Info("End of stitch marker");
_stitchBlocks.Add(sb);
break;
}
else if (bx == 254 && by == 176)
{
//log.Info("End of color block.");
c++;
_stitchBlocks.Add(sb);
sb = new StitchBlock(_threadColors[c]);
pesData.BaseStream.Position++;
}
else
{
//Regular stitch
dx = dy = 0;
if ((bx & 128) == 128)//$80
{
//log.Info("Jump stitch on x");
dx = ((bx & 15) * 256) + by;
dx = ((dx & 2048) == 2048) ? (int)(dx | 4294963200) : dx;
by = pesData.ReadByte();
jmp = true;
}
else
{
dx = (bx > 63) ? bx - 128 : bx;
}
if ((by & 128) == 128)//$80
{
//log.Info("Jump stitch on y");
bx = pesData.ReadByte();
dy = ((by & 15) * 256) + bx;
dy = ((dy & 2048) == 2048) ? (int)(dy | 4294963200) : dy;
jmp = true;
}
else
{
//normal stitch
dy = (by > 63) ? by - 128 : by;
}
//log.DebugFormat("Stitch point: dx={0}, dy={1}", dx, dy);
x += dx;
y += dy;
nx = (x < nx) ? x : nx;
ny = (y < ny) ? y : ny;
mx = (x > mx) ? x : mx;
my = (y > my) ? y : my;
StitchType type = (jmp) ? StitchType.Jump : StitchType.Normal;
sb.AddStitch(new Stitch(new Point(x, y), type));
_stitchCount++;
jmp = false;
}
_pixelWidth = mx - nx;
_pixelHeight = my - ny;
_xOffset = -nx;
_yOffset = -ny;
}
//log.Info("Closing the file.");
pesData.Close();
}
public Stitch(Point point, StitchType type)
{
_point = point;
_type = type;
}
public Stitch(Point point, StitchType type)
{
_point = point;
_type = type;
}
