| public static ParseToFloat ( string str ) : float | ||
| str | string | |
| Résultat | float | |
private double getViewportProp(string propertyName, string inValue, double calcParentVP, double defaultValue, SvgLengthDirection dir)
{
double ret;
inValue = inValue.Trim();
if (inValue.Length > 0)
{
if (inValue.EndsWith("%"))
{
double perc = SvgNumber.ParseToFloat(inValue.Substring(0, inValue.Length - 1)) / 100;
ret = calcParentVP * perc;
}
else
{
ret = new SvgLength(this, propertyName, dir, inValue, String.Empty).Value;
}
}
else
{
ret = defaultValue;
}
return(ret);
}
public static float ParseToFloat(string str)
{
float val;
int index = str.IndexOfAny(new Char[] { 'E', 'e' });
if (index > -1)
{
float number = SvgNumber.ParseToFloat(str.Substring(0, index));
float power = SvgNumber.ParseToFloat(str.Substring(index + 1));
val = (float)Math.Pow(10, power) * number;
}
else
{
try
{
val = Single.Parse(str, SvgNumber.Format);
}
catch (Exception e)
{
throw new DomException(DomExceptionType.SyntaxErr, "Input string was not in a correct format: " + str, e);
}
}
return(val);
}
public static string ScientificToDec(string sc)
{
if (sc.IndexOfAny(new char[] { 'e', 'E' }) > -1)
{
sc = sc.Trim();
// remove the unit
Match match = reUnit.Match(sc);
return(SvgNumber.ParseToFloat(sc.Substring(0, sc.Length - match.Length)).ToString(Format) + match.Value);
}
else
{
return(sc);
}
}
public SvgRect(string str)
{
string replacedStr = Regex.Replace(str, @"(\s|,)+", ",");
string[] tokens = replacedStr.Split(new char[] { ',' });
if (tokens.Length == 4)
{
this.x = SvgNumber.ParseToFloat(tokens[0]);
this.y = SvgNumber.ParseToFloat(tokens[1]);
this.width = SvgNumber.ParseToFloat(tokens[2]);
this.height = SvgNumber.ParseToFloat(tokens[3]);
}
else
{
throw new SvgException(SvgExceptionType.SvgInvalidValueErr, "Invalid SvgRect value: " + str);
}
}
private float[] getCoords(String segment)
{
float[] coords = new float[0];
segment = segment.Substring(1);
segment = segment.Trim();
segment = segment.Trim(new char[] { ',' });
if (segment.Length > 0)
{
string[] sCoords = coordSplit.Split(segment);
coords = new float[sCoords.Length];
for (int i = 0; i < sCoords.Length; i++)
{
coords[i] = SvgNumber.ParseToFloat(sCoords[i]);
}
}
return(coords);
}
public SvgAnimatedNumber(string str)
{
baseVal = SvgNumber.ParseToFloat(str);
animVal = baseVal;
}
public SvgNumber(string str)
{
_value = SvgNumber.ParseToFloat(str);
}
public void FromString(string listString)
{
// remove existing list items
Clear();
if (listString != null)
{
int len = listString.Length; // temp
if (len > 0)
{
int p = 0; // pos
char c; // temp
int sNum = -1; // start of the number
int eNum = -1; // end of the number
bool seenComma = false; // to handle 123,,123
int tempSNum = -1; // start of the number (held in temp until two numbers are found)
int tempENum = -1; // end of the number (held in temp until two numbers are found)
// This used to be a regex-- it is *much* faster this way
while (p < len)
{
// Get the char in a temp
c = listString[p];
// TODO: worry about NEL?
if ((c == '\t') || (c == '\r') || (c == '\n') || (c == 0x20) || (c == ','))
{
// Special handling for two commas
if (c == ',')
{
if (seenComma && sNum < 0)
{
throw new SvgException(SvgExceptionType.SvgInvalidValueErr);
}
seenComma = true;
}
// Are we in a number?
if (sNum >= 0)
{
// The end of the number is the previous char
eNum = p - 1;
// Is this the x or y?
if (tempSNum == -1)
{
// must be the x, hang onto it for a second
tempSNum = sNum;
tempENum = eNum;
}
else
{
// must be the y, use temp as x and append the item
AppendItem(new SvgPoint((double)SvgNumber.ParseToFloat(listString.Substring(tempSNum, (tempENum - tempSNum) + 1)),
(double)SvgNumber.ParseToFloat(listString.Substring(sNum, (eNum - sNum) + 1))));
tempSNum = -1;
tempENum = -1;
}
// Reset
sNum = -1;
eNum = -1;
seenComma = false;
}
}
else if (sNum == -1)
{
sNum = p;
}
// OPTIMIZE: Right here we could check for [Ee] to save some time in IndexOfAny later
// Move to next char
p++;
}
// We need to handle the end of the buffer as a delimiter
if (sNum >= 0)
{
if (tempSNum == -1)
{
throw new SvgException(SvgExceptionType.SvgInvalidValueErr);
}
// The end of the number is the previous char
eNum = p - 1;
// must be the y, use temp as x and append the item
AppendItem(new SvgPoint((double)SvgNumber.ParseToFloat(listString.Substring(tempSNum, (tempENum - tempSNum) + 1)),
(double)SvgNumber.ParseToFloat(listString.Substring(sNum, (eNum - sNum) + 1))));
}
else if (tempSNum != -1)
{
throw new SvgException(SvgExceptionType.SvgInvalidValueErr);
}
}
}
}
protected virtual void GetGraphicsPath(ref PointF ctp)
{
gp = new GraphicsPath();
if (this is SvgTextPositioningElement)
{
SvgTextPositioningElement tpElm = (SvgTextPositioningElement)this;
ctp = this.GetCurrentTextPosition(tpElm, ctp);
}
string sBaselineShift = GetPropertyValue("baseline-shift").Trim();
double shiftBy = 0;
if (sBaselineShift.Length > 0)
{
SvgTextElement textElement = this as SvgTextElement;
if (textElement == null)
{
textElement = (SvgTextElement)this.SelectSingleNode("ancestor::svg:text", this.OwnerDocument.NamespaceManager);
}
float textFontSize = textElement._getComputedFontSize();
if (sBaselineShift.EndsWith("%"))
{
shiftBy = SvgNumber.ParseToFloat(sBaselineShift.Substring(0, sBaselineShift.Length - 1)) / 100 * textFontSize;
}
else if (sBaselineShift == "sub")
{
shiftBy = -0.6F * textFontSize;
}
else if (sBaselineShift == "super")
{
shiftBy = 0.6F * textFontSize;
}
else if (sBaselineShift == "baseline")
{
shiftBy = 0;
}
else
{
shiftBy = SvgNumber.ParseToFloat(sBaselineShift);
}
}
foreach (XmlNode child in this.ChildNodes)
{
gp.StartFigure();
if (child.NodeType == XmlNodeType.Text)
{
ctp.Y -= (float)shiftBy;
this.AddGraphicsPath(ref ctp, GetText(child));
ctp.Y += (float)shiftBy;
}
else if (child is SvgTRefElement)
{
SvgTRefElement trChild = (SvgTRefElement)child;
trChild.GetGraphicsPath(ref ctp);
}
else if (child is SvgTextContentElement)
{
SvgTextContentElement tcChild = (SvgTextContentElement)child;
tcChild.GetGraphicsPath(ref ctp);
}
}
}
public SvgTransform(string str)
{
int start = str.IndexOf("(");
string type = str.Substring(0, start);
string valuesList = (str.Substring(start + 1, str.Length - start - 2)).Trim(); //JR added trim
Regex re = new Regex("[\\s\\,]+");
valuesList = re.Replace(valuesList, ",");
string[] valuesStr = valuesList.Split(new char[] { ',' });
int len = valuesStr.GetLength(0);
float[] values = new float[len];
for (int i = 0; i < len; i++)
{
values.SetValue(SvgNumber.ParseToFloat(valuesStr[i]), i);
}
switch (type)
{
case "translate":
switch (len)
{
case 1:
SetTranslate(values[0], 0);
break;
case 2:
SetTranslate(values[0], values[1]);
break;
default:
throw new ApplicationException("Wrong number of arguments in translate transform");
}
break;
case "rotate":
switch (len)
{
case 1:
SetRotate(values[0]);
break;
case 3:
SetRotate(values[0], values[1], values[2]);
break;
default:
throw new ApplicationException("Wrong number of arguments in rotate transform");
}
break;
case "scale":
switch (len)
{
case 1:
SetScale(values[0], values[0]);
break;
case 2:
SetScale(values[0], values[1]);
break;
default:
throw new ApplicationException("Wrong number of arguments in scale transform");
}
break;
case "skewX":
if (len != 1)
{
throw new ApplicationException("Wrong number of arguments in skewX transform");
}
SetSkewX(values[0]);
break;
case "skewY":
if (len != 1)
{
throw new ApplicationException("Wrong number of arguments in skewY transform");
}
SetSkewY(values[0]);
break;
case "matrix":
if (len != 6)
{
throw new ApplicationException("Wrong number of arguments in matrix transform");
}
SetMatrix(
new SvgMatrix(
values[0],
values[1],
values[2],
values[3],
values[4],
values[5]
));
break;
default:
this.type = (short)SvgTransformType.Unknown;
break;
}
}
public SvgTransform(string str)
{
int start = str.IndexOf("(", StringComparison.OrdinalIgnoreCase);
string type = str.Substring(0, start);
string valuesList = (str.Substring(start + 1, str.Length - start - 2)).Trim(); //JR added trim
Regex re = new Regex("[\\s\\,]+");
valuesList = re.Replace(valuesList, ",");
string[] valuesStr = valuesList.Split(new char[] { ',' });
int len = valuesStr.GetLength(0);
double[] values = new double[len];
try
{
for (int i = 0; i < len; i++)
{
values[i] = SvgNumber.ParseNumber(valuesStr[i]);
}
}
catch
{
List <double> valueList = new List <double>();
foreach (Match m in SvgNumber.DoubleRegex.Matches(str))
{
if (!string.IsNullOrEmpty(m.Value))
{
valueList.Add(SvgNumber.ParseToFloat(m.Value));
}
}
values = valueList.ToArray();
len = values.Length;
}
_values = values;
switch (type.Trim())
{
case "translate":
switch (len)
{
case 1:
SetTranslate(values[0], 0);
break;
case 2:
SetTranslate(values[0], values[1]);
break;
default:
throw new ApplicationException("Wrong number of arguments in translate transform");
}
break;
case "rotate":
switch (len)
{
case 1:
SetRotate(values[0]);
break;
case 3:
SetRotate(values[0], values[1], values[2]);
break;
default:
throw new ApplicationException("Wrong number of arguments in rotate transform");
}
break;
case "scale":
switch (len)
{
case 1:
SetScale(values[0], values[0]);
break;
case 2:
SetScale(values[0], values[1]);
break;
default:
throw new ApplicationException("Wrong number of arguments in scale transform");
}
break;
case "skewX":
if (len != 1)
{
throw new ApplicationException("Wrong number of arguments in skewX transform");
}
SetSkewX(values[0]);
break;
case "skewY":
if (len != 1)
{
throw new ApplicationException("Wrong number of arguments in skewY transform");
}
SetSkewY(values[0]);
break;
case "matrix":
if (len != 6)
{
throw new ApplicationException("Wrong number of arguments in matrix transform");
}
SetMatrix(new SvgMatrix(values[0], values[1], values[2], values[3], values[4], values[5]));
break;
default:
_type = SvgTransformType.Unknown;
break;
}
}
