/////////
// PolygonRecord
PolygonRecord::PolygonRecord(InStream &src)
{
mParts = 0;
mVertices = 0;
try
{
mBoundingRect.mMin[0] = (float)src.ReadDouble();
mBoundingRect.mMin[1] = (float)src.ReadDouble();
mBoundingRect.mMax[0] = (float)src.ReadDouble();
mBoundingRect.mMax[1] = (float)src.ReadDouble();
mNumParts = src.ReadUInt32();
mNumVertices = src.ReadUInt32();
mParts = new uint32_t[mNumParts];
mVertices = new Vec2[mNumVertices];
src.ReadUInt32Arr(mNumParts,mParts);
for(int i = 0;i < mNumVertices;i++)
{
float x = (float)src.ReadDouble();
float y = (float)src.ReadDouble();
mVertices[i] = MakeVec2(x,y);
}
}
catch(...)
{
delete [] mParts;
delete [] mVertices;
throw;
}
}
////////
// FileHeader
FileHeader::FileHeader(InStream &src)
{
uint32_t magic = src.ReadUInt32();
if(magic != 0x0a270000)
throw Exception("Not a .shp file");
src.SkipBytes(20);
mFileLength = src.ReadUInt32();
SwapByteOrder(mFileLength);
mVersion = src.ReadUInt32();
if(mVersion != 1000)
throw Exception("Unsupported version");
uint32_t shapeTypeInt = src.ReadUInt32();
if(!IsSupportedShapeType(shapeTypeInt))
throw Exception("Unsupported shape type");
mShapeType = (ShapeType)shapeTypeInt;
mBoundingRect.mMin[0] = (float)src.ReadDouble();
mBoundingRect.mMin[1] = (float)src.ReadDouble();
mBoundingRect.mMax[0] = (float)src.ReadDouble();
mBoundingRect.mMax[1] = (float)src.ReadDouble();
mMinZ = (float)src.ReadDouble();
mMaxZ = (float)src.ReadDouble();
mMinM = (float)src.ReadDouble();
mMaxM = (float)src.ReadDouble();
}
///////////
// RecordHeader
RecordHeader::RecordHeader(InStream &src)
{
mIndex = src.ReadUInt32();
SwapByteOrder(mIndex);
mLength = src.ReadUInt32();
SwapByteOrder(mLength);
uint32_t shapeTypeInt = src.ReadUInt32();
if(!IsSupportedShapeType(shapeTypeInt))
throw Exception("Unsupported shape type");
mShapeType = (ShapeType)shapeTypeInt;
}