package tv.porst.swfretools.parser.structures;
import static tv.porst.swfretools.parser.SWFParserHelpers.parseUBits;
import java.util.ArrayList;
import java.util.List;
import tv.porst.splib.binaryparser.UBits;
import tv.porst.swfretools.parser.SWFBinaryParser;
import tv.porst.swfretools.parser.SWFParserException;
/**
* Parses FocalGradient structures.
*
* @author sp
*
*/
public final class FocalGradientParser {
/**
* Parses a FocalGradient structure.
*
* @param parser The parser that parses the structure.
* @param fieldName The name of the structure in the parent structure.
*
* @return The parsed structure.
*
* @throws SWFParserException Thrown if the structure could not be parsed.
*/
public static FocalGradient parse(final SWFBinaryParser parser, final String fieldName) throws SWFParserException {
final UBits spreadMode = parseUBits(parser, 2, 0x00006, fieldName + "::SpreadMode");
final UBits interpolationMode = parseUBits(parser, 2, 0x00006, fieldName + "::InterpolationMode");
final UBits numGradients = parseUBits(parser, 4, 0x00006, fieldName + "::NumGradients");
final List<GradRecord> gradientRecords = new ArrayList<GradRecord>();
for (int i=0;i<numGradients.value();i++) {
gradientRecords.add(GradRecordParser.parse(parser, String.format("GradientRecord[%d]", i)));
}
final Fixed8 focalPoint = Fixed8Parser.parse(parser, fieldName + "::FocalPoint");
return new FocalGradient(spreadMode, interpolationMode, numGradients, new GradRecordList(gradientRecords), focalPoint);
}
}