public override CharPattern next()
{
CharPattern pat = new CharPattern();
if (fs.Position >= length)
{
return null;
}
sampleSize = br.ReadInt16();
br.ReadBytes(4);
pat.strokeNum = (ushort)br.ReadInt16();
Stroke stroke = new Stroke();
short x, y;
do
{
x = br.ReadInt16();
y = br.ReadInt16();
if (x != -1)
{
stroke.points.Add(new point(x, y));
}
else
{
if (y != -1)
{
if (stroke.points.Count <= 1) {
Console.WriteLine("have point stroke!");
}
pat.strokes.Add(stroke);
stroke = new Stroke();
}
}
} while (y != -1);
return pat;
}
/// <summary>
/// 从一个binaryReader中读取一个文件内的一个Pot pattern
/// </summary>
/// <param name="br"></param>
/// <returns></returns>
public CharPattern getPotPattern(BinaryReader br) {
CharPattern pat = new CharPattern();
pat.sampleSize = br.ReadUInt16();
byte[] bytes = br.ReadBytes(4);
//数组反转（重点，查看邮件记录20120417）
Array.Reverse(bytes);
int[] tagCodeInfo = getTagCodeInfo(bytes);
char[] c = gb2312.GetChars(bytes, tagCodeInfo[0], tagCodeInfo[1]);
if (tagCodeInfo[1] == 1)
{
c = ToSBC(c);
}
pat.tagCode = new string(c);
//Console.WriteLine(new String(pat.TagCode));
//br.ReadBytes(2);
pat.strokeNum = br.ReadUInt16();
Stroke stroke = new Stroke();
short x, y;
do
{
x = br.ReadInt16();
y = br.ReadInt16();
if (x != -1)
{
stroke.points.Add(new point(x, y));
}
else
{
if (y == 0)
{
if (stroke.points.Count > 1) {
pat.strokes.Add(stroke);
}
stroke = new Stroke();
}
}
} while (y != -1);
return pat;
}
public CharPattern nextPattern()
{
if (!sr.EndOfStream)
{
string str;
while (Convert.ToChar(sr.Peek()) != '[')
{
sr.ReadLine();
}
str = sr.ReadLine().Trim();
CharPattern pat = new CharPattern();
pat.tagCode = str.Substring(1, 1);
Stroke stroke = new Stroke();
ushort strokeNum=0;
while (!sr.EndOfStream && (Convert.ToChar(sr.Peek()) != '['))
{
str = sr.ReadLine().Trim();
string[] data = null;
if (str.Contains('\t'))
{
data = str.Split('\t');
}
else {
data = str.Split(' ');
}
short penState = Int16.Parse(data[0]);
short x = Int16.Parse(data[1]);
short y = Int16.Parse(data[2]);
stroke.points.Add(new point(x,y));
if (penState == tehonPattern.UP)
{
pat.strokes.Add(stroke);
stroke = new Stroke();
strokeNum++;
}
}
pat.strokeNum = strokeNum;
return pat;
}
return null;
}
public static void tt() {
CharPattern pat = new CharPattern();
Stroke stroke = new Stroke();
stroke.points.Add(new point(0, 0));
stroke.points.Add(new point(400, 400));
pat.strokes.Add(stroke);
point p = POTTool.getOnlineCenter(pat);
}