private static Matrix parseTransformSkewX(String pString)
{
var start = SVGConstants.ATTRIBUTE_TRANSFORM_VALUE_SKEW_X.Length + 1;
var svgNumberParserFloatResult = pString.Substring(start, pString.IndexOf(')') - start).ParseFloats();
SVGTransformParser.assertNumberParserResultNumberCountMinimum(svgNumberParserFloatResult, 1);
float angle = svgNumberParserFloatResult[0];
Matrix matrix = new Matrix();
matrix.PostSkew((float)Math.Tan(angle), 0);
return(matrix);
}
private static Matrix parseTransformTranslate(String pString)
{
var start = SVGConstants.ATTRIBUTE_TRANSFORM_VALUE_TRANSLATE.Length + 1;
var svgNumberParserFloatResult = pString.Substring(start, pString.IndexOf(')') - start).ParseFloats();
SVGTransformParser.assertNumberParserResultNumberCountMinimum(svgNumberParserFloatResult, 1);
float tx = svgNumberParserFloatResult[0];
float ty = 0;
if (svgNumberParserFloatResult.Length > 1)
{
ty = svgNumberParserFloatResult[1];
}
Matrix matrix = new Matrix();
matrix.PostTranslate(tx, ty);
return(matrix);
}
public static Matrix parseTransformRotate(String pString)
{
var start = SVGConstants.ATTRIBUTE_TRANSFORM_VALUE_ROTATE.Length + 1;
var svgNumberParserFloatResult = pString.Substring(start, pString.IndexOf(')') - start).ParseFloats();
SVGTransformParser.assertNumberParserResultNumberCountMinimum(svgNumberParserFloatResult, 1);
float angle = svgNumberParserFloatResult[0];
float cx = 0;
float cy = 0;
if (svgNumberParserFloatResult.Length > 2)
{
cx = svgNumberParserFloatResult[1];
cy = svgNumberParserFloatResult[2];
}
Matrix matrix = new Matrix();
matrix.PostTranslate(cx, cy);
matrix.PostRotate(angle);
matrix.PostTranslate(-cx, -cy);
return(matrix);
}