unsigned int MACHFile::getSectionHeaderOffset(unsigned int nSection)
{
unsigned int nNumberOfSegments=getNumberOfSegments();
unsigned int nResult=0;
unsigned int nCurrentSection=0;
for(int i=0; i<nNumberOfSegments; i++)
{
nResult=getSegmentHeaderOffset(i);
nResult+=getSegmentHeaderSize();
for(int j=0; j<getSegment_nsects(i); j++)
{
if(nCurrentSection+j==nSection)
{
return nResult;
}
nResult+=getSectionHeaderSize();
}
nCurrentSection+=getSegment_nsects(i);
}
emit appendError(QString("Invalid section number: %1").arg(nSection));
return 0;
}
bool MACHFile::isSegmentPresent(unsigned int nSegment)
{
if(nSegment<getNumberOfSegments())
{
return true;
}
emit appendError(QString("Invalid Segment number: %1").arg(nSegment));
return false;
}
unsigned int MACHFile::calculateRawSize()
{
unsigned int nResult=getMachHeaderSize();
for(int i=0; i<getNumberOfSegments(); i++)
{
nResult=qMax(nResult,getSegmentFileOffset(i)+getSegmentFileSize(i));
}
return nResult;
}
unsigned int MACHFile::getNumberOfSections()
{
unsigned int nResult=0;
unsigned int nNumberOfSegments=getNumberOfSegments();
for(int i=0; i<nNumberOfSegments; i++)
{
nResult+=getSegment_nsects(i);
}
return nResult;
}
unsigned long long MACHFile::RVAToOffset64(unsigned long long nRVA)
{
unsigned int nNumberOfSegments=getNumberOfSegments();
for(int i=0; i<nNumberOfSegments; i++)
{
if((getSegment_vmaddr64(i)<=nRVA)&&(nRVA<getSegment_vmaddr64(i)+getSegment_vmsize64(i)))
{
return getSegment_fileoff64(i)+nRVA-getSegment_vmaddr64(i);
}
}
emit appendWarning(QString("Invalid RVA: %1").arg(nRVA,8,16,QChar('0')));
return -1;
}
unsigned long long MACHFile::OffsetToRVA64(unsigned long long nOffset)
{
unsigned int nNumberOfSegments=getNumberOfSegments();
for(int i=0; i<nNumberOfSegments; i++)
{
if((getSegment_fileoff64(i)<=nOffset)&&(nOffset<getSegment_fileoff64(i)+getSegment_filesize64(i)))
{
return getSegment_vmaddr64(i)+nOffset-getSegment_fileoff64(i);
}
}
emit appendWarning(QString("Invalid offset: %1").arg(nOffset,8,16,QChar('0')));
return -1;
}
void PathComponent::render(Renderer *renderer) const
{
renderer->begin(RENDERTYPE_LINE_STRIP);
for(int i = 0; i < getNumberOfSegments(); i++) {
PathSegment *segment = getSegment(i);
float increment = Path::getSubdivideLength() /
segment->getLength();
renderer->vector(segment->getPoint(0.0f));
for(float t = increment; t < 1.0f; t += increment) {
renderer->vector(segment->getPoint(t));
}
renderer->vector(segment->getPoint(1.0f));
}
renderer->end();
}
