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31963f16c1759fe14541e7f5c31c2d619e5486d9
create/src/Mod/Import/App/dxf.cpp
wmayer 31963f16c1 Fix scan coverity issues: 
CID 184294: Uncaught exception
CID 183597: Unchecked return value
CID 175809: Dereference before null check
CID 175810: Logically dead code
CID 133000: Uninitialized scalar variable
CID 133001: Uninitialized scalar variable
CID 183591: Explicit null dereferenced
2018-11-13 16:47:58 +01:00

3355 lines
111 KiB
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// dxf.cpp
// Copyright (c) 2009, Dan Heeks
// This program is released under the BSD license. See the file COPYING for details.
// modified 2018 wandererfan
#include "PreCompiled.h"
//required by windows for M_PI definition
#define _USE_MATH_DEFINES
#include <cmath>
#include <iomanip>
#include <src/Build/Version.h>
#include <Base/Console.h>
#include <Base/FileInfo.h>
#include <Base/Parameter.h>
#include <Base/Vector3D.h>
#include "dxf.h"
using namespace std;
Base::Vector3d toVector3d(const double* a)
{
Base::Vector3d result;
result.x = a[0];
result.y = a[1];
result.z = a[2];
return result;
}
CDxfWrite::CDxfWrite(const char* filepath) :
//TODO: these should probably be parms in config file
m_entityHandle(0x300),
m_layerHandle(0x30),
m_blockHandle(0x210),
m_blkRecordHandle(0x110),
m_polyOverride(false),
m_layerName("none")
{
// start the file
m_fail = false;
m_version = 12;
m_ofs = new ofstream(filepath, ios::out);
m_ssBlock = new std::ostringstream();
m_ssBlkRecord = new std::ostringstream();
m_ssEntity = new std::ostringstream();
m_ssLayer = new std::ostringstream();
if(!(*m_ofs)){
m_fail = true;
return;
}
m_ofs->imbue(std::locale("C"));
}
CDxfWrite::~CDxfWrite()
{
delete m_ofs;
}
void CDxfWrite::init(void)
{
writeHeaderSection();
makeBlockRecordTableHead();
makeBlockSectionHead();
}
//! assemble pieces into output file
void CDxfWrite::endRun(void)
{
makeLayerTable();
makeBlockRecordTableBody();
writeClassesSection();
writeTablesSection();
writeBlocksSection();
writeEntitiesSection();
writeObjectsSection();
(*m_ofs) << " 0" << endl;
(*m_ofs) << "EOF";
}
//***************************
//writeHeaderSection
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeHeaderSection(void)
{
std::stringstream ss;
ss << "FreeCAD v" << FCVersionMajor << "." << FCVersionMinor << " " << FCRevision;
//header & version
(*m_ofs) << "999" << endl;
(*m_ofs) << ss.str() << endl;
//static header content
ss.str("");
ss.clear();
ss << "header" << m_version << ".rub";
std::string fileSpec = m_dataDir + ss.str();
(*m_ofs) << getPlateFile(fileSpec);
}
//***************************
//writeClassesSection
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeClassesSection(void)
{
if (m_version < 14) {
return;
}
//static classes section content
std::stringstream ss;
ss << "classes" << m_version << ".rub";
std::string fileSpec = m_dataDir + ss.str();
(*m_ofs) << getPlateFile(fileSpec);
}
//***************************
//writeTablesSection
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeTablesSection(void)
{
//static tables section head end content
std::stringstream ss;
ss << "tables1" << m_version << ".rub";
std::string fileSpec = m_dataDir + ss.str();
(*m_ofs) << getPlateFile(fileSpec);
(*m_ofs) << (*m_ssLayer).str();
//static tables section tail end content
ss.str("");
ss.clear();
ss << "tables2" << m_version << ".rub";
fileSpec = m_dataDir + ss.str();
(*m_ofs) << getPlateFile(fileSpec);
if (m_version > 12) {
(*m_ofs) << (*m_ssBlkRecord).str();
(*m_ofs) << " 0" << endl;
(*m_ofs) << "ENDTAB" << endl;
}
(*m_ofs) << " 0" << endl;
(*m_ofs) << "ENDSEC" << endl;
}
//***************************
//makeLayerTable
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::makeLayerTable(void)
{
std::string tablehash = getLayerHandle();
(*m_ssLayer) << " 0" << endl;
(*m_ssLayer) << "TABLE" << endl;
(*m_ssLayer) << " 2" << endl;
(*m_ssLayer) << "LAYER" << endl;
(*m_ssLayer) << " 5" << endl;
(*m_ssLayer) << tablehash << endl;
if (m_version > 12) {
(*m_ssLayer) << "330" << endl;
(*m_ssLayer) << 0 << endl;
(*m_ssLayer) << "100" << endl;
(*m_ssLayer) << "AcDbSymbolTable" << endl;
}
(*m_ssLayer) << " 70" << endl;
(*m_ssLayer) << m_layerList.size() + 1 << endl;
(*m_ssLayer) << " 0" << endl;
(*m_ssLayer) << "LAYER" << endl;
(*m_ssLayer) << " 5" << endl;
(*m_ssLayer) << getLayerHandle() << endl;
if (m_version > 12) {
(*m_ssLayer) << "330" << endl;
(*m_ssLayer) << tablehash << endl;
(*m_ssLayer) << "100" << endl;
(*m_ssLayer) << "AcDbSymbolTableRecord" << endl;
(*m_ssLayer) << "100" << endl;
(*m_ssLayer) << "AcDbLayerTableRecord" << endl;
}
(*m_ssLayer) << " 2" << endl;
(*m_ssLayer) << "0" << endl;
(*m_ssLayer) << " 70" << endl;
(*m_ssLayer) << " 0" << endl;
(*m_ssLayer) << " 62" << endl;
(*m_ssLayer) << " 7" << endl;
(*m_ssLayer) << " 6" << endl;
(*m_ssLayer) << "CONTINUOUS" << endl;
for (auto& l: m_layerList) {
(*m_ssLayer) << " 0" << endl;
(*m_ssLayer) << "LAYER" << endl;
(*m_ssLayer) << " 5" << endl;
(*m_ssLayer) << getLayerHandle() << endl;
if (m_version > 12) {
(*m_ssLayer) << "330" << endl;
(*m_ssLayer) << tablehash << endl;
(*m_ssLayer) << "100" << endl;
(*m_ssLayer) << "AcDbSymbolTableRecord" << endl;
(*m_ssLayer) << "100" << endl;
(*m_ssLayer) << "AcDbLayerTableRecord" << endl;
}
(*m_ssLayer) << " 2" << endl;
(*m_ssLayer) << l << endl;
(*m_ssLayer) << " 70" << endl;
(*m_ssLayer) << " 0" << endl;
(*m_ssLayer) << " 62" << endl;
(*m_ssLayer) << " 7" << endl;
(*m_ssLayer) << " 6" << endl;
(*m_ssLayer) << "CONTINUOUS" << endl;
}
(*m_ssLayer) << " 0" << endl;
(*m_ssLayer) << "ENDTAB" << endl;
}
//***************************
//makeBlockRecordTableHead
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::makeBlockRecordTableHead(void)
{
if (m_version < 14) {
return;
}
std::string tablehash = getBlkRecordHandle();
m_saveBlockRecordTableHandle = tablehash;
(*m_ssBlkRecord) << " 0" << endl;
(*m_ssBlkRecord) << "TABLE" << endl;
(*m_ssBlkRecord) << " 2" << endl;
(*m_ssBlkRecord) << "BLOCK_RECORD" << endl;
(*m_ssBlkRecord) << " 5" << endl;
(*m_ssBlkRecord) << tablehash << endl;
(*m_ssBlkRecord) << "330" << endl;
(*m_ssBlkRecord) << "0" << endl;
(*m_ssBlkRecord) << "100" << endl;
(*m_ssBlkRecord) << "AcDbSymbolTable" << endl;
(*m_ssBlkRecord) << " 70" << endl;
(*m_ssBlkRecord) << (m_blockList.size() + 5) << endl;
m_saveModelSpaceHandle = getBlkRecordHandle();
(*m_ssBlkRecord) << " 0" << endl;
(*m_ssBlkRecord) << "BLOCK_RECORD" << endl;
(*m_ssBlkRecord) << " 5" << endl;
(*m_ssBlkRecord) << m_saveModelSpaceHandle << endl;
(*m_ssBlkRecord) << "330" << endl;
(*m_ssBlkRecord) << tablehash << endl;
(*m_ssBlkRecord) << "100" << endl;
(*m_ssBlkRecord) << "AcDbSymbolTableRecord" << endl;
(*m_ssBlkRecord) << "100" << endl;
(*m_ssBlkRecord) << "AcDbBlockTableRecord" << endl;
(*m_ssBlkRecord) << " 2" << endl;
(*m_ssBlkRecord) << "*MODEL_SPACE" << endl;
// (*m_ssBlkRecord) << " 1" << endl;
// (*m_ssBlkRecord) << " " << endl;
m_savePaperSpaceHandle = getBlkRecordHandle();
(*m_ssBlkRecord) << " 0" << endl;
(*m_ssBlkRecord) << "BLOCK_RECORD" << endl;
(*m_ssBlkRecord) << " 5" << endl;
(*m_ssBlkRecord) << m_savePaperSpaceHandle << endl;
(*m_ssBlkRecord) << "330" << endl;
(*m_ssBlkRecord) << tablehash << endl;
(*m_ssBlkRecord) << "100" << endl;
(*m_ssBlkRecord) << "AcDbSymbolTableRecord" << endl;
(*m_ssBlkRecord) << "100" << endl;
(*m_ssBlkRecord) << "AcDbBlockTableRecord" << endl;
(*m_ssBlkRecord) << " 2" << endl;
(*m_ssBlkRecord) << "*PAPER_SPACE" << endl;
// (*m_ssBlkRecord) << " 1" << endl;
// (*m_ssBlkRecord) << " " << endl;
}
//***************************
//makeBlockRecordTableBody
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::makeBlockRecordTableBody(void)
{
if (m_version < 14) {
return;
}
int iBlkRecord = 0;
for (auto& b: m_blockList) {
(*m_ssBlkRecord) << " 0" << endl;
(*m_ssBlkRecord) << "BLOCK_RECORD" << endl;
(*m_ssBlkRecord) << " 5" << endl;
(*m_ssBlkRecord) << m_blkRecordList.at(iBlkRecord) << endl;
(*m_ssBlkRecord) << "330" << endl;
(*m_ssBlkRecord) << m_saveBlockRecordTableHandle << endl;
(*m_ssBlkRecord) << "100" << endl;
(*m_ssBlkRecord) << "AcDbSymbolTableRecord" << endl;
(*m_ssBlkRecord) << "100" << endl;
(*m_ssBlkRecord) << "AcDbBlockTableRecord" << endl;
(*m_ssBlkRecord) << " 2" << endl;
(*m_ssBlkRecord) << b << endl;
// (*m_ssBlkRecord) << " 70" << endl;
// (*m_ssBlkRecord) << " 0" << endl;
iBlkRecord++;
}
}
//***************************
//makeBlockSectionHead
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::makeBlockSectionHead(void)
{
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << "SECTION" << endl;
(*m_ssBlock) << " 2" << endl;
(*m_ssBlock) << "BLOCKS" << endl;
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << "BLOCK" << endl;
(*m_ssBlock) << " 5" << endl;
m_currentBlock = getBlockHandle();
(*m_ssBlock) << m_currentBlock << endl;
if (m_version > 12) {
(*m_ssBlock) << "330" << endl;
(*m_ssBlock) << m_saveModelSpaceHandle << endl;
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbEntity" << endl;
}
(*m_ssBlock) << " 8" << endl;
(*m_ssBlock) << "0" << endl;
if (m_version > 12) {
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbBlockBegin" << endl;
}
(*m_ssBlock) << " 2" << endl;
(*m_ssBlock) << "*MODEL_SPACE" << endl;
(*m_ssBlock) << " 70" << endl;
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << " 10" << endl;
(*m_ssBlock) << 0.0 << endl;
(*m_ssBlock) << " 20" << endl;
(*m_ssBlock) << 0.0 << endl;
(*m_ssBlock) << " 30" << endl;
(*m_ssBlock) << 0.0 << endl;
(*m_ssBlock) << " 3" << endl;
(*m_ssBlock) << "*MODEL_SPACE" << endl;
(*m_ssBlock) << " 1" << endl;
(*m_ssBlock) << " " << endl;
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << "ENDBLK" << endl;
(*m_ssBlock) << " 5" << endl;
(*m_ssBlock) << getBlockHandle() << endl;
if (m_version > 12) {
(*m_ssBlock) << "330" << endl;
(*m_ssBlock) << m_saveModelSpaceHandle << endl;
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbEntity" << endl;
}
(*m_ssBlock) << " 8" << endl;
(*m_ssBlock) << "0" << endl;
if (m_version > 12) {
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbBlockEnd" << endl;
}
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << "BLOCK" << endl;
(*m_ssBlock) << " 5" << endl;
m_currentBlock = getBlockHandle();
(*m_ssBlock) << m_currentBlock << endl;
if (m_version > 12) {
(*m_ssBlock) << "330" << endl;
(*m_ssBlock) << m_savePaperSpaceHandle << endl;
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbEntity" << endl;
(*m_ssBlock) << " 67" << endl;
(*m_ssBlock) << "1" << endl;
}
(*m_ssBlock) << " 8" << endl;
(*m_ssBlock) << "0" << endl;
if (m_version > 12) {
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbBlockBegin" << endl;
}
(*m_ssBlock) << " 2" << endl;
(*m_ssBlock) << "*PAPER_SPACE" << endl;
(*m_ssBlock) << " 70" << endl;
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << " 10" << endl;
(*m_ssBlock) << 0.0 << endl;
(*m_ssBlock) << " 20" << endl;
(*m_ssBlock) << 0.0 << endl;
(*m_ssBlock) << " 30" << endl;
(*m_ssBlock) << 0.0 << endl;
(*m_ssBlock) << " 3" << endl;
(*m_ssBlock) << "*PAPER_SPACE" << endl;
(*m_ssBlock) << " 1" << endl;
(*m_ssBlock) << " " << endl;
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << "ENDBLK" << endl;
(*m_ssBlock) << " 5" << endl;
(*m_ssBlock) << getBlockHandle() << endl;
if (m_version > 12) {
(*m_ssBlock) << "330" << endl;
(*m_ssBlock) << m_savePaperSpaceHandle << endl;
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbEntity" << endl;
(*m_ssBlock) << " 67" << endl; //paper_space flag
(*m_ssBlock) << " 1" << endl;
}
(*m_ssBlock) << " 8" << endl;
(*m_ssBlock) << "0" << endl;
if (m_version > 12) {
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbBlockEnd" << endl;
}
}
std::string CDxfWrite::getPlateFile(std::string fileSpec)
{
std::stringstream outString;
Base::FileInfo fi(fileSpec);
if (!fi.isReadable()) {
Base::Console().Message("dxf unable to open %s!\n",fileSpec.c_str());
} else {
string line;
ifstream inFile (fi.filePath().c_str());
while (!inFile.eof())
{
getline(inFile,line);
if (!inFile.eof()) {
outString << line << '\n';
}
}
}
return outString.str();
}
std::string CDxfWrite::getEntityHandle(void)
{
m_entityHandle++;
std::stringstream ss;
ss << std::uppercase << std::hex << std::setfill('0') << std::setw(2);
ss << m_entityHandle;
return ss.str();
}
std::string CDxfWrite::getLayerHandle(void)
{
m_layerHandle++;
std::stringstream ss;
ss << std::uppercase << std::hex << std::setfill('0') << std::setw(2);
ss << m_layerHandle;
return ss.str();
}
std::string CDxfWrite::getBlockHandle(void)
{
m_blockHandle++;
std::stringstream ss;
ss << std::uppercase << std::hex << std::setfill('0') << std::setw(2);
ss << m_blockHandle;
return ss.str();
}
std::string CDxfWrite::getBlkRecordHandle(void)
{
m_blkRecordHandle++;
std::stringstream ss;
ss << std::uppercase << std::hex << std::setfill('0') << std::setw(2);
ss << m_blkRecordHandle;
return ss.str();
}
void CDxfWrite::addBlockName(std::string b, std::string h)
{
m_blockList.push_back(b);
m_blkRecordList.push_back(h);
}
void CDxfWrite::setLayerName(std::string s)
{
m_layerName = s;
m_layerList.push_back(s);
}
void CDxfWrite::writeLine(const double* s, const double* e)
{
putLine(toVector3d(s),toVector3d(e),m_ssEntity, getEntityHandle(), m_saveModelSpaceHandle);
}
void CDxfWrite::putLine(const Base::Vector3d s, const Base::Vector3d e,
std::ostringstream* outStream, const std::string handle,
const std::string ownerHandle)
{
(*outStream) << " 0" << endl;
(*outStream) << "LINE" << endl;
(*outStream) << " 5" << endl;
(*outStream) << handle << endl;
if (m_version > 12) {
(*outStream) << "330" << endl;
(*outStream) << ownerHandle << endl;
(*outStream) << "100" << endl;
(*outStream) << "AcDbEntity" << endl;
}
(*outStream) << " 8" << endl; // Group code for layer name
(*outStream) << getLayerName() << endl; // Layer number
if (m_version > 12) {
(*outStream) << "100" << endl;
(*outStream) << "AcDbLine" << endl;
}
(*outStream) << " 10" << endl; // Start point of line
(*outStream) << s.x << endl; // X in WCS coordinates
(*outStream) << " 20" << endl;
(*outStream) << s.y << endl; // Y in WCS coordinates
(*outStream) << " 30" << endl;
(*outStream) << s.z << endl; // Z in WCS coordinates
(*outStream) << " 11" << endl; // End point of line
(*outStream) << e.x << endl; // X in WCS coordinates
(*outStream) << " 21" << endl;
(*outStream) << e.y << endl; // Y in WCS coordinates
(*outStream) << " 31" << endl;
(*outStream) << e.z << endl; // Z in WCS coordinates
}
//***************************
//writeLWPolyLine (Note: LWPolyline might not be supported in R12
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeLWPolyLine(const LWPolyDataOut &pd)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "LWPOLYLINE" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
if (m_version > 12) {
(*m_ssEntity) << "100" << endl; //100 groups are not part of R12
(*m_ssEntity) << "AcDbPolyline" << endl;
}
(*m_ssEntity) << " 8" << endl; // Group code for layer name
(*m_ssEntity) << getLayerName() << endl; // Layer name
(*m_ssEntity) << " 90" << endl;
(*m_ssEntity) << pd.nVert << endl; // number of vertices
(*m_ssEntity) << " 70" << endl;
(*m_ssEntity) << pd.Flag << endl;
(*m_ssEntity) << " 43" << endl;
(*m_ssEntity) << "0" << endl; //Constant width opt
// (*m_ssEntity) << pd.Width << endl; //Constant width opt
// (*m_ssEntity) << " 38" << endl;
// (*m_ssEntity) << pd.Elev << endl; // Elevation
// (*m_ssEntity) << " 39" << endl;
// (*m_ssEntity) << pd.Thick << endl; // Thickness
for (auto& p: pd.Verts) {
(*m_ssEntity) << " 10" << endl; // Vertices
(*m_ssEntity) << p.x << endl;
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << p.y << endl;
}
for (auto& s: pd.StartWidth) {
(*m_ssEntity) << " 40" << endl;
(*m_ssEntity) << s << endl; // Start Width
}
for (auto& e: pd.EndWidth) {
(*m_ssEntity) << " 41" << endl;
(*m_ssEntity) << e << endl; // End Width
}
for (auto& b: pd.Bulge) { // Bulge
(*m_ssEntity) << " 42" << endl;
(*m_ssEntity) << b << endl;
}
// (*m_ssEntity) << "210" << endl; //Extrusion dir
// (*m_ssEntity) << pd.Extr.x << endl;
// (*m_ssEntity) << "220" << endl;
// (*m_ssEntity) << pd.Extr.y << endl;
// (*m_ssEntity) << "230" << endl;
// (*m_ssEntity) << pd.Extr.z << endl;
}
//***************************
//writePolyline
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writePolyline(const LWPolyDataOut &pd)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "POLYLINE" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl;
(*m_ssEntity) << getLayerName() << endl; // Layer name
if (m_version > 12) {
(*m_ssEntity) << "100" << endl; //100 groups are not part of R12
(*m_ssEntity) << "AcDbPolyline" << endl;
}
(*m_ssEntity) << " 66" << endl;
(*m_ssEntity) << " 1" << endl; // vertices follow
(*m_ssEntity) << " 10" << endl;
(*m_ssEntity) << "0.0" << endl;
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << "0.0" << endl;
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << "0.0" << endl;
(*m_ssEntity) << " 70" << endl;
(*m_ssEntity) << "0" << endl;
for (auto& p: pd.Verts) {
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "VERTEX" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
(*m_ssEntity) << " 8" << endl;
(*m_ssEntity) << getLayerName() << endl;
(*m_ssEntity) << " 10" << endl;
(*m_ssEntity) << p.x << endl;
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << p.y << endl;
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << "0.0" << endl;
}
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "SEQEND" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
(*m_ssEntity) << " 8" << endl;
(*m_ssEntity) << getLayerName() << endl;
}
void CDxfWrite::writePoint(const double* s)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "POINT" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl; // Group code for layer name
(*m_ssEntity) << getLayerName() << endl; // Layer name
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbPoint" << endl;
}
(*m_ssEntity) << " 10" << endl;
(*m_ssEntity) << s[0] << endl; // X in WCS coordinates
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << s[1] << endl; // Y in WCS coordinates
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << s[2] << endl; // Z in WCS coordinates
}
void CDxfWrite::writeArc(const double* s, const double* e, const double* c, bool dir)
{
double ax = s[0] - c[0];
double ay = s[1] - c[1];
double bx = e[0] - c[0];
double by = e[1] - c[1];
double start_angle = atan2(ay, ax) * 180/M_PI;
double end_angle = atan2(by, bx) * 180/M_PI;
double radius = sqrt(ax*ax + ay*ay);
if(!dir){
double temp = start_angle;
start_angle = end_angle;
end_angle = temp;
}
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "ARC" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl; // Group code for layer name
(*m_ssEntity) << getLayerName() << endl; // Layer number
// (*m_ssEntity) << " 62" << endl;
// (*m_ssEntity) << " 0" << endl;
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbCircle" << endl;
}
(*m_ssEntity) << " 10" << endl; // Centre X
(*m_ssEntity) << c[0] << endl; // X in WCS coordinates
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << c[1] << endl; // Y in WCS coordinates
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << c[2] << endl; // Z in WCS coordinates
(*m_ssEntity) << " 40" << endl; //
(*m_ssEntity) << radius << endl; // Radius
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbArc" << endl;
}
(*m_ssEntity) << " 50" << endl;
(*m_ssEntity) << start_angle << endl; // Start angle
(*m_ssEntity) << " 51" << endl;
(*m_ssEntity) << end_angle << endl; // End angle
}
void CDxfWrite::writeCircle(const double* c, double radius)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "CIRCLE" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl; // Group code for layer name
(*m_ssEntity) << getLayerName() << endl; // Layer number
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbCircle" << endl;
}
(*m_ssEntity) << " 10" << endl; // Centre X
(*m_ssEntity) << c[0] << endl; // X in WCS coordinates
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << c[1] << endl; // Y in WCS coordinates
// (*m_ssEntity) << " 30" << endl;
// (*m_ssEntity) << c[2] << endl; // Z in WCS coordinates
(*m_ssEntity) << " 40" << endl; //
(*m_ssEntity) << radius << endl; // Radius
}
void CDxfWrite::writeEllipse(const double* c, double major_radius, double minor_radius,
double rotation, double start_angle, double end_angle,
bool endIsCW)
{
double m[3];
m[2]=0;
m[0] = major_radius * sin(rotation);
m[1] = major_radius * cos(rotation);
double ratio = minor_radius/major_radius;
if(!endIsCW){ //end is NOT CW from start
double temp = start_angle;
start_angle = end_angle;
end_angle = temp;
}
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "ELLIPSE" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl; // Group code for layer name
(*m_ssEntity) << getLayerName() << endl; // Layer number
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEllipse" << endl;
}
(*m_ssEntity) << " 10" << endl; // Centre X
(*m_ssEntity) << c[0] << endl; // X in WCS coordinates
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << c[1] << endl; // Y in WCS coordinates
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << c[2] << endl; // Z in WCS coordinates
(*m_ssEntity) << " 11" << endl; //
(*m_ssEntity) << m[0] << endl; // Major X
(*m_ssEntity) << " 21" << endl;
(*m_ssEntity) << m[1] << endl; // Major Y
(*m_ssEntity) << " 31" << endl;
(*m_ssEntity) << m[2] << endl; // Major Z
(*m_ssEntity) << " 40" << endl; //
(*m_ssEntity) << ratio << endl; // Ratio
// (*m_ssEntity) << "210" << endl; //extrusion dir??
// (*m_ssEntity) << "0" << endl;
// (*m_ssEntity) << "220" << endl;
// (*m_ssEntity) << "0" << endl;
// (*m_ssEntity) << "230" << endl;
// (*m_ssEntity) << "1" << endl;
(*m_ssEntity) << " 41" << endl;
(*m_ssEntity) << start_angle << endl; // Start angle (radians [0..2pi])
(*m_ssEntity) << " 42" << endl;
(*m_ssEntity) << end_angle << endl; // End angle
}
//***************************
//writeSpline
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeSpline(const SplineDataOut &sd)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "SPLINE" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl; // Group code for layer name
(*m_ssEntity) << getLayerName() << endl; // Layer name
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbSpline" << endl;
}
(*m_ssEntity) << "210" << endl;
(*m_ssEntity) << "0" << endl;
(*m_ssEntity) << "220" << endl;
(*m_ssEntity) << "0" << endl;
(*m_ssEntity) << "230" << endl;
(*m_ssEntity) << "1" << endl;
(*m_ssEntity) << " 70" << endl;
(*m_ssEntity) << sd.flag << endl; //flags
(*m_ssEntity) << " 71" << endl;
(*m_ssEntity) << sd.degree << endl;
(*m_ssEntity) << " 72" << endl;
(*m_ssEntity) << sd.knots << endl;
(*m_ssEntity) << " 73" << endl;
(*m_ssEntity) << sd.control_points << endl;
(*m_ssEntity) << " 74" << endl;
(*m_ssEntity) << 0 << endl;
// (*m_ssEntity) << " 12" << endl;
// (*m_ssEntity) << sd.starttan.x << endl;
// (*m_ssEntity) << " 22" << endl;
// (*m_ssEntity) << sd.starttan.y << endl;
// (*m_ssEntity) << " 32" << endl;
// (*m_ssEntity) << sd.starttan.z << endl;
// (*m_ssEntity) << " 13" << endl;
// (*m_ssEntity) << sd.endtan.x << endl;
// (*m_ssEntity) << " 23" << endl;
// (*m_ssEntity) << sd.endtan.y << endl;
// (*m_ssEntity) << " 33" << endl;
// (*m_ssEntity) << sd.endtan.z << endl;
for (auto& k: sd.knot) {
(*m_ssEntity) << " 40" << endl;
(*m_ssEntity) << k << endl;
}
for (auto& w : sd.weight) {
(*m_ssEntity) << " 41" << endl;
(*m_ssEntity) << w << endl;
}
for (auto& c: sd.control) {
(*m_ssEntity) << " 10" << endl;
(*m_ssEntity) << c.x << endl; // X in WCS coordinates
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << c.y << endl; // Y in WCS coordinates
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << c.z << endl; // Z in WCS coordinates
}
for (auto& f: sd.fit) {
(*m_ssEntity) << " 11" << endl;
(*m_ssEntity) << f.x << endl; // X in WCS coordinates
(*m_ssEntity) << " 21" << endl;
(*m_ssEntity) << f.y << endl; // Y in WCS coordinates
(*m_ssEntity) << " 31" << endl;
(*m_ssEntity) << f.z << endl; // Z in WCS coordinates
}
}
//***************************
//writeVertex
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeVertex(double x, double y, double z)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "VERTEX" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl;
(*m_ssEntity) << getLayerName() << endl;
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbVertex" << endl;
}
(*m_ssEntity) << " 10" << endl;
(*m_ssEntity) << x << endl;
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << y << endl;
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << z << endl;
(*m_ssEntity) << " 70" << endl;
(*m_ssEntity) << 0 << endl;
}
void CDxfWrite::writeText(const char* text, const double* location1, const double* location2,
const double height, const int horizJust)
{
putText(text, toVector3d(location1), toVector3d(location2),
height, horizJust,
m_ssEntity, getEntityHandle(), m_saveModelSpaceHandle);
}
//***************************
//putText
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::putText(const char* text, const Base::Vector3d location1, const Base::Vector3d location2,
const double height, const int horizJust,
std::ostringstream* outStream, const std::string handle,
const std::string ownerHandle)
{
(void) location2;
(*outStream) << " 0" << endl;
(*outStream) << "TEXT" << endl;
(*outStream) << " 5" << endl;
(*outStream) << handle << endl;
if (m_version > 12) {
(*outStream) << "330" << endl;
(*outStream) << ownerHandle << endl;
(*outStream) << "100" << endl;
(*outStream) << "AcDbEntity" << endl;
}
(*outStream) << " 8" << endl;
(*outStream) << getLayerName() << endl;
if (m_version > 12) {
(*outStream) << "100" << endl;
(*outStream) << "AcDbText" << endl;
}
// (*outStream) << " 39" << endl;
// (*outStream) << 0 << endl; //thickness
(*outStream) << " 10" << endl; //first alignment point
(*outStream) << location1.x << endl;
(*outStream) << " 20" << endl;
(*outStream) << location1.y << endl;
(*outStream) << " 30" << endl;
(*outStream) << location1.z << endl;
(*outStream) << " 40" << endl;
(*outStream) << height << endl;
(*outStream) << " 1" << endl;
(*outStream) << text << endl;
// (*outStream) << " 50" << endl;
// (*outStream) << 0 << endl; //rotation
// (*outStream) << " 41" << endl;
// (*outStream) << 1 << endl;
// (*outStream) << " 51" << endl;
// (*outStream) << 0 << endl;
(*outStream) << " 7" << endl;
(*outStream) << "STANDARD" << endl; //style
// (*outStream) << " 71" << endl; //default
// (*outStream) << "0" << endl;
(*outStream) << " 72" << endl;
(*outStream) << horizJust << endl;
//// (*outStream) << " 73" << endl;
//// (*outStream) << "0" << endl;
(*outStream) << " 11" << endl; //second alignment point
(*outStream) << location2.x << endl;
(*outStream) << " 21" << endl;
(*outStream) << location2.y << endl;
(*outStream) << " 31" << endl;
(*outStream) << location2.z << endl;
// (*outStream) << "210" << endl;
// (*outStream) << "0" << endl;
// (*outStream) << "220" << endl;
// (*outStream) << "0" << endl;
// (*outStream) << "230" << endl;
// (*outStream) << "1" << endl;
if (m_version > 12) {
(*outStream) << "100" << endl;
(*outStream) << "AcDbText" << endl;
}
}
void CDxfWrite::putArrow(Base::Vector3d arrowPos, Base::Vector3d barb1Pos, Base::Vector3d barb2Pos,
std::ostringstream* outStream, const std::string handle,
const std::string ownerHandle)
{
(*outStream) << " 0" << endl;
(*outStream) << "SOLID" << endl;
(*outStream) << " 5" << endl;
(*outStream) << handle << endl;
if (m_version > 12) {
(*outStream) << "330" << endl;
(*outStream) << ownerHandle << endl;
(*outStream) << "100" << endl;
(*outStream) << "AcDbEntity" << endl;
}
(*outStream) << " 8" << endl;
(*outStream) << "0" << endl;
(*outStream) << " 62" << endl;
(*outStream) << " 0" << endl;
if (m_version > 12) {
(*outStream) << "100" << endl;
(*outStream) << "AcDbTrace" << endl;
}
(*outStream) << " 10" << endl;
(*outStream) << barb1Pos.x << endl;
(*outStream) << " 20" << endl;
(*outStream) << barb1Pos.y << endl;
(*outStream) << " 30" << endl;
(*outStream) << barb1Pos.z << endl;
(*outStream) << " 11" << endl;
(*outStream) << barb2Pos.x << endl;
(*outStream) << " 21" << endl;
(*outStream) << barb2Pos.y << endl;
(*outStream) << " 31" << endl;
(*outStream) << barb2Pos.z << endl;
(*outStream) << " 12" << endl;
(*outStream) << arrowPos.x << endl;
(*outStream) << " 22" << endl;
(*outStream) << arrowPos.y << endl;
(*outStream) << " 32" << endl;
(*outStream) << arrowPos.z << endl;
(*outStream) << " 13" << endl;
(*outStream) << arrowPos.x << endl;
(*outStream) << " 23" << endl;
(*outStream) << arrowPos.y << endl;
(*outStream) << " 33" << endl;
(*outStream) << arrowPos.z << endl;
}
//***************************
//writeLinearDim
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeLinearDim(const double* textMidPoint, const double* lineDefPoint,
const double* extLine1, const double* extLine2,
const char* dimText)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "DIMENSION" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl;
(*m_ssEntity) << getLayerName() << endl;
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbDimension" << endl;
}
(*m_ssEntity) << " 2" << endl;
(*m_ssEntity) << "*" << getLayerName() << endl; // blockName
(*m_ssEntity) << " 10" << endl; //dimension line definition point
(*m_ssEntity) << lineDefPoint[0] << endl;
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << lineDefPoint[1] << endl;
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << lineDefPoint[2] << endl;
(*m_ssEntity) << " 11" << endl; //text mid point
(*m_ssEntity) << textMidPoint[0] << endl;
(*m_ssEntity) << " 21" << endl;
(*m_ssEntity) << textMidPoint[1] << endl;
(*m_ssEntity) << " 31" << endl;
(*m_ssEntity) << textMidPoint[2] << endl;
(*m_ssEntity) << " 70" << endl;
(*m_ssEntity) << 1 << endl; // dimType1 = Aligned
// (*m_ssEntity) << " 71" << endl; // not R12
// (*m_ssEntity) << 1 << endl; // attachPoint ??1 = topleft
(*m_ssEntity) << " 1" << endl;
(*m_ssEntity) << dimText << endl;
(*m_ssEntity) << " 3" << endl;
(*m_ssEntity) << "STANDARD" << endl; //style
//linear dims
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbAlignedDimension" << endl;
}
(*m_ssEntity) << " 13" << endl;
(*m_ssEntity) << extLine1[0] << endl;
(*m_ssEntity) << " 23" << endl;
(*m_ssEntity) << extLine1[1] << endl;
(*m_ssEntity) << " 33" << endl;
(*m_ssEntity) << extLine1[2] << endl;
(*m_ssEntity) << " 14" << endl;
(*m_ssEntity) << extLine2[0] << endl;
(*m_ssEntity) << " 24" << endl;
(*m_ssEntity) << extLine2[1] << endl;
(*m_ssEntity) << " 34" << endl;
(*m_ssEntity) << extLine2[2] << endl;
writeDimBlockPreamble();
writeLinearDimBlock(textMidPoint,lineDefPoint,
extLine1, extLine2,
dimText);
writeBlockTrailer();
}
//***************************
//writeAngularDim
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeAngularDim(const double* textMidPoint, const double* lineDefPoint,
const double* startExt1, const double* endExt1,
const double* startExt2, const double* endExt2,
const char* dimText)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "DIMENSION" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl;
(*m_ssEntity) << getLayerName() << endl;
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbDimension" << endl;
}
(*m_ssEntity) << " 2" << endl;
(*m_ssEntity) << "*" << getLayerName() << endl; // blockName
(*m_ssEntity) << " 10" << endl;
(*m_ssEntity) << endExt2[0] << endl;
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << endExt2[1] << endl;
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << endExt2[2] << endl;
(*m_ssEntity) << " 11" << endl;
(*m_ssEntity) << textMidPoint[0] << endl;
(*m_ssEntity) << " 21" << endl;
(*m_ssEntity) << textMidPoint[1] << endl;
(*m_ssEntity) << " 31" << endl;
(*m_ssEntity) << textMidPoint[2] << endl;
(*m_ssEntity) << " 70" << endl;
(*m_ssEntity) << 2 << endl; // dimType 2 = Angular 5 = Angular 3 point
// +32 for block?? (not R12)
// (*m_ssEntity) << " 71" << endl; // not R12? not required?
// (*m_ssEntity) << 5 << endl; // attachPoint 5 = middle
(*m_ssEntity) << " 1" << endl;
(*m_ssEntity) << dimText << endl;
(*m_ssEntity) << " 3" << endl;
(*m_ssEntity) << "STANDARD" << endl; //style
//angular dims
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDb2LineAngularDimension" << endl;
}
(*m_ssEntity) << " 13" << endl;
(*m_ssEntity) << startExt1[0] << endl;
(*m_ssEntity) << " 23" << endl;
(*m_ssEntity) << startExt1[1] << endl;
(*m_ssEntity) << " 33" << endl;
(*m_ssEntity) << startExt1[2] << endl;
(*m_ssEntity) << " 14" << endl;
(*m_ssEntity) << endExt1[0] << endl;
(*m_ssEntity) << " 24" << endl;
(*m_ssEntity) << endExt1[1] << endl;
(*m_ssEntity) << " 34" << endl;
(*m_ssEntity) << endExt1[2] << endl;
(*m_ssEntity) << " 15" << endl;
(*m_ssEntity) << startExt2[0] << endl;
(*m_ssEntity) << " 25" << endl;
(*m_ssEntity) << startExt2[1] << endl;
(*m_ssEntity) << " 35" << endl;
(*m_ssEntity) << startExt2[2] << endl;
(*m_ssEntity) << " 16" << endl;
(*m_ssEntity) << lineDefPoint[0] << endl;
(*m_ssEntity) << " 26" << endl;
(*m_ssEntity) << lineDefPoint[1] << endl;
(*m_ssEntity) << " 36" << endl;
(*m_ssEntity) << lineDefPoint[2] << endl;
writeDimBlockPreamble();
writeAngularDimBlock(textMidPoint, lineDefPoint,
startExt1, endExt1,
startExt2, endExt2,
dimText);
writeBlockTrailer();
}
//***************************
//writeRadialDim
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeRadialDim(const double* centerPoint, const double* textMidPoint,
const double* arcPoint,
const char* dimText)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "DIMENSION" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl;
(*m_ssEntity) << getLayerName() << endl;
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbDimension" << endl;
}
(*m_ssEntity) << " 2" << endl;
(*m_ssEntity) << "*" << getLayerName() << endl; // blockName
(*m_ssEntity) << " 10" << endl; // arc center point
(*m_ssEntity) << centerPoint[0] << endl;
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << centerPoint[1] << endl;
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << centerPoint[2] << endl;
(*m_ssEntity) << " 11" << endl; //text mid point
(*m_ssEntity) << textMidPoint[0] << endl;
(*m_ssEntity) << " 21" << endl;
(*m_ssEntity) << textMidPoint[1] << endl;
(*m_ssEntity) << " 31" << endl;
(*m_ssEntity) << textMidPoint[2] << endl;
(*m_ssEntity) << " 70" << endl;
(*m_ssEntity) << 4 << endl; // dimType 4 = Radius
// (*m_ssEntity) << " 71" << endl; // not R12
// (*m_ssEntity) << 1 << endl; // attachPoint 5 = middle center
(*m_ssEntity) << " 1" << endl;
(*m_ssEntity) << dimText << endl;
(*m_ssEntity) << " 3" << endl;
(*m_ssEntity) << "STANDARD" << endl; //style
//radial dims
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbRadialDimension" << endl;
}
(*m_ssEntity) << " 15" << endl;
(*m_ssEntity) << arcPoint[0] << endl;
(*m_ssEntity) << " 25" << endl;
(*m_ssEntity) << arcPoint[1] << endl;
(*m_ssEntity) << " 35" << endl;
(*m_ssEntity) << arcPoint[2] << endl;
(*m_ssEntity) << " 40" << endl; // leader length????
(*m_ssEntity) << 0 << endl;
writeDimBlockPreamble();
writeRadialDimBlock(centerPoint, textMidPoint, arcPoint, dimText);
writeBlockTrailer();
}
//***************************
//writeDiametricDim
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeDiametricDim(const double* textMidPoint,
const double* arcPoint1, const double* arcPoint2,
const char* dimText)
{
(*m_ssEntity) << " 0" << endl;
(*m_ssEntity) << "DIMENSION" << endl;
(*m_ssEntity) << " 5" << endl;
(*m_ssEntity) << getEntityHandle() << endl;
if (m_version > 12) {
(*m_ssEntity) << "330" << endl;
(*m_ssEntity) << m_saveModelSpaceHandle << endl;
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbEntity" << endl;
}
(*m_ssEntity) << " 8" << endl;
(*m_ssEntity) << getLayerName() << endl;
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbDimension" << endl;
}
(*m_ssEntity) << " 2" << endl;
(*m_ssEntity) << "*" << getLayerName() << endl; // blockName
(*m_ssEntity) << " 10" << endl;
(*m_ssEntity) << arcPoint1[0] << endl;
(*m_ssEntity) << " 20" << endl;
(*m_ssEntity) << arcPoint1[1] << endl;
(*m_ssEntity) << " 30" << endl;
(*m_ssEntity) << arcPoint1[2] << endl;
(*m_ssEntity) << " 11" << endl; //text mid point
(*m_ssEntity) << textMidPoint[0] << endl;
(*m_ssEntity) << " 21" << endl;
(*m_ssEntity) << textMidPoint[1] << endl;
(*m_ssEntity) << " 31" << endl;
(*m_ssEntity) << textMidPoint[2] << endl;
(*m_ssEntity) << " 70" << endl;
(*m_ssEntity) << 3 << endl; // dimType 3 = Diameter
// (*m_ssEntity) << " 71" << endl; // not R12
// (*m_ssEntity) << 5 << endl; // attachPoint 5 = middle center
(*m_ssEntity) << " 1" << endl;
(*m_ssEntity) << dimText << endl;
(*m_ssEntity) << " 3" << endl;
(*m_ssEntity) << "STANDARD" << endl; //style
//diametric dims
if (m_version > 12) {
(*m_ssEntity) << "100" << endl;
(*m_ssEntity) << "AcDbDiametricDimension" << endl;
}
(*m_ssEntity) << " 15" << endl;
(*m_ssEntity) << arcPoint2[0] << endl;
(*m_ssEntity) << " 25" << endl;
(*m_ssEntity) << arcPoint2[1] << endl;
(*m_ssEntity) << " 35" << endl;
(*m_ssEntity) << arcPoint2[2] << endl;
(*m_ssEntity) << " 40" << endl; // leader length????
(*m_ssEntity) << 0 << endl;
writeDimBlockPreamble();
writeDiametricDimBlock(textMidPoint, arcPoint1, arcPoint2, dimText);
writeBlockTrailer();
}
//***************************
//writeDimBlockPreamble
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeDimBlockPreamble(void)
{
if (m_version > 12) {
std::string blockName("*");
blockName += getLayerName();
m_saveBlkRecordHandle = getBlkRecordHandle();
addBlockName(blockName,m_saveBlkRecordHandle);
}
m_currentBlock = getBlockHandle();
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << "BLOCK" << endl;
(*m_ssBlock) << " 5" << endl;
(*m_ssBlock) << m_currentBlock << endl;
if (m_version > 12) {
(*m_ssBlock) << "330" << endl;
(*m_ssBlock) << m_saveBlkRecordHandle << endl;
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbEntity" << endl;
}
(*m_ssBlock) << " 8" << endl;
(*m_ssBlock) << getLayerName() << endl;
if (m_version > 12) {
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbBlockBegin" << endl;
}
(*m_ssBlock) << " 2" << endl;
(*m_ssBlock) << "*" << getLayerName() << endl; // blockName
(*m_ssBlock) << " 70" << endl;
(*m_ssBlock) << " 1" << endl;
(*m_ssBlock) << " 10" << endl;
(*m_ssBlock) << 0.0 << endl;
(*m_ssBlock) << " 20" << endl;
(*m_ssBlock) << 0.0 << endl;
(*m_ssBlock) << " 30" << endl;
(*m_ssBlock) << 0.0 << endl;
(*m_ssBlock) << " 3" << endl;
(*m_ssBlock) << "*" << getLayerName() << endl; // blockName
(*m_ssBlock) << " 1" << endl;
(*m_ssBlock) << " " << endl;
}
//***************************
//writeBlockTrailer
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeBlockTrailer(void)
{
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << "ENDBLK" << endl;
(*m_ssBlock) << " 5" << endl;
(*m_ssBlock) << getBlockHandle() << endl;
if (m_version > 12) {
(*m_ssBlock) << "330" << endl;
(*m_ssBlock) << m_saveBlkRecordHandle << endl;
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbEntity" << endl;
}
// (*m_ssBlock) << " 67" << endl;
// (*m_ssBlock) << "1" << endl;
(*m_ssBlock) << " 8" << endl;
(*m_ssBlock) << getLayerName() << endl;
if (m_version > 12) {
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbBlockEnd" << endl;
}
}
//***************************
//writeLinearDimBlock
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeLinearDimBlock(const double* textMidPoint, const double* dimLine,
const double* e1Start, const double* e2Start,
const char* dimText)
{
Base::Vector3d e1S(e1Start[0],e1Start[1],e1Start[2]);
Base::Vector3d e2S(e2Start[0],e2Start[1],e2Start[2]);
Base::Vector3d dl(dimLine[0],dimLine[1],dimLine[2]); //point on DimLine (somewhere!)
Base::Vector3d perp = dl.DistanceToLineSegment(e2S,e1S);
Base::Vector3d e1E = e1S - perp;
Base::Vector3d e2E = e2S - perp;
Base::Vector3d para = e1E - e2E;
Base::Vector3d X(1.0,0.0,0.0);
double angle = para.GetAngle(X);
angle = angle * 180.0 / M_PI;
double arrowLen = 5.0; //magic number
double arrowWidth = arrowLen/6.0/2.0; //magic number calc!
putLine(e2S, e2E,
m_ssBlock, getBlockHandle(),
m_saveBlkRecordHandle);
putLine(e1S, e1E,
m_ssBlock, getBlockHandle(),
m_saveBlkRecordHandle);
putLine(e1E, e2E,
m_ssBlock, getBlockHandle(),
m_saveBlkRecordHandle);
putText(dimText,toVector3d(textMidPoint), toVector3d(dimLine),3.5,1,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
perp.Normalize();
para.Normalize();
Base::Vector3d arrowStart = e1E;
Base::Vector3d barb1 = arrowStart + perp*arrowWidth - para*arrowLen;
Base::Vector3d barb2 = arrowStart - perp*arrowWidth - para*arrowLen;
putArrow(arrowStart, barb1, barb2,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
arrowStart = e2E;
barb1 = arrowStart + perp*arrowWidth + para*arrowLen;
barb2 = arrowStart - perp*arrowWidth + para*arrowLen;
putArrow(arrowStart, barb1, barb2,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
}
//***************************
//writeAngularDimBlock
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeAngularDimBlock(const double* textMidPoint, const double* lineDefPoint,
const double* startExt1, const double* endExt1,
const double* startExt2, const double* endExt2,
const char* dimText)
{
Base::Vector3d e1S(startExt1[0],startExt1[1],startExt1[2]); //apex
Base::Vector3d e2S(startExt2[0],startExt2[1],startExt2[2]);
Base::Vector3d e1E(endExt1[0],endExt1[1],endExt1[2]);
Base::Vector3d e2E(endExt2[0],endExt2[1],endExt2[2]);
Base::Vector3d e1 = e1E - e1S;
Base::Vector3d e2 = e2E - e2S;
double startAngle = atan2(e2.y,e2.x);
double endAngle = atan2(e1.y,e1.x);
double span = fabs(endAngle - startAngle);
double offset = span * 0.10;
if (startAngle < 0) {
startAngle += 2.0 * M_PI;
}
if (endAngle < 0) {
endAngle += 2.0 * M_PI;
}
Base::Vector3d startOff(cos(startAngle + offset),sin(startAngle + offset),0.0);
Base::Vector3d endOff(cos(endAngle - offset),sin(endAngle - offset),0.0);
startAngle = startAngle * 180.0 / M_PI;
endAngle = endAngle * 180.0 / M_PI;
Base::Vector3d linePt(lineDefPoint[0],lineDefPoint[1],lineDefPoint[2]);
double radius = (e2S - linePt).Length();
(*m_ssBlock) << " 0" << endl;
(*m_ssBlock) << "ARC" << endl; //dimline arc
(*m_ssBlock) << " 5" << endl;
(*m_ssBlock) << getBlockHandle() << endl;
if (m_version > 12) {
(*m_ssBlock) << "330" << endl;
(*m_ssBlock) << m_saveBlkRecordHandle << endl;
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbEntity" << endl;
}
(*m_ssBlock) << " 8" << endl;
(*m_ssBlock) << "0" << endl;
// (*m_ssBlock) << " 62" << endl;
// (*m_ssBlock) << " 0" << endl;
if (m_version > 12) {
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbCircle" << endl;
}
(*m_ssBlock) << " 10" << endl;
(*m_ssBlock) << startExt2[0] << endl; //arc center
(*m_ssBlock) << " 20" << endl;
(*m_ssBlock) << startExt2[1] << endl;
(*m_ssBlock) << " 30" << endl;
(*m_ssBlock) << startExt2[2] << endl;
(*m_ssBlock) << " 40" << endl;
(*m_ssBlock) << radius << endl; //radius
if (m_version > 12) {
(*m_ssBlock) << "100" << endl;
(*m_ssBlock) << "AcDbArc" << endl;
}
(*m_ssBlock) << " 50" << endl;
(*m_ssBlock) << startAngle << endl; //start angle
(*m_ssBlock) << " 51" << endl;
(*m_ssBlock) << endAngle << endl; //end angle
putText(dimText,toVector3d(textMidPoint), toVector3d(textMidPoint),3.5,1,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
e1.Normalize();
e2.Normalize();
Base::Vector3d arrow1Start = e1S + e1 * radius;
Base::Vector3d arrow2Start = e2S + e2 * radius;
//wf: idk why the Tan pts have to be reversed. something to do with CW angles in Dxf?
Base::Vector3d endTan = e1S + (startOff * radius);
Base::Vector3d startTan = e2S + (endOff * radius);
Base::Vector3d tanP1 = (arrow1Start - startTan).Normalize();
Base::Vector3d perp1(-tanP1.y,tanP1.x,tanP1.z);
Base::Vector3d tanP2 = (arrow2Start - endTan).Normalize();
Base::Vector3d perp2(-tanP2.y,tanP2.x,tanP2.z);
double arrowLen = 5.0; //magic number
double arrowWidth = arrowLen/6.0/2.0; //magic number calc!
Base::Vector3d barb1 = arrow1Start + perp1*arrowWidth - tanP1*arrowLen;
Base::Vector3d barb2 = arrow1Start - perp1*arrowWidth - tanP1*arrowLen;
putArrow(arrow1Start, barb1, barb2,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
barb1 = arrow2Start + perp2*arrowWidth - tanP2*arrowLen;
barb2 = arrow2Start - perp2*arrowWidth - tanP2*arrowLen;
putArrow(arrow2Start, barb1, barb2,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
}
//***************************
//writeRadialDimBlock
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeRadialDimBlock(const double* centerPoint, const double* textMidPoint,
const double* arcPoint, const char* dimText)
{
putLine(toVector3d(centerPoint), toVector3d(arcPoint),
m_ssBlock, getBlockHandle(),
m_saveBlkRecordHandle);
putText(dimText,toVector3d(textMidPoint), toVector3d(textMidPoint),3.5,1,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
Base::Vector3d c(centerPoint[0],centerPoint[1],centerPoint[2]);
Base::Vector3d a(arcPoint[0],arcPoint[1],arcPoint[2]);
Base::Vector3d para = a - c;
double arrowLen = 5.0; //magic number
double arrowWidth = arrowLen/6.0/2.0; //magic number calc!
para.Normalize();
Base::Vector3d perp(-para.y,para.x,para.z);
Base::Vector3d arrowStart = a;
Base::Vector3d barb1 = arrowStart + perp*arrowWidth - para*arrowLen;
Base::Vector3d barb2 = arrowStart - perp*arrowWidth - para*arrowLen;
putArrow(arrowStart, barb1, barb2,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
}
//***************************
//writeDiametricDimBlock
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeDiametricDimBlock(const double* textMidPoint,
const double* arcPoint1, const double* arcPoint2,
const char* dimText)
{
putLine(toVector3d(arcPoint1), toVector3d(arcPoint2),
m_ssBlock, getBlockHandle(),
m_saveBlkRecordHandle);
putText(dimText,toVector3d(textMidPoint), toVector3d(textMidPoint),3.5,1,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
Base::Vector3d a1(arcPoint1[0],arcPoint1[1],arcPoint1[2]);
Base::Vector3d a2(arcPoint2[0],arcPoint2[1],arcPoint2[2]);
Base::Vector3d para = a2 - a1;
double arrowLen = 5.0; //magic number
double arrowWidth = arrowLen/6.0/2.0; //magic number calc!
para.Normalize();
Base::Vector3d perp(-para.y,para.x,para.z);
Base::Vector3d arrowStart = a1;
Base::Vector3d barb1 = arrowStart + perp*arrowWidth + para*arrowLen;
Base::Vector3d barb2 = arrowStart - perp*arrowWidth + para*arrowLen;
putArrow(arrowStart, barb1, barb2,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
arrowStart = a2;
barb1 = arrowStart + perp*arrowWidth - para*arrowLen;
barb2 = arrowStart - perp*arrowWidth - para*arrowLen;
putArrow(arrowStart, barb1, barb2,
m_ssBlock,getBlockHandle(),m_saveBlkRecordHandle);
}
//***************************
//writeBlocksSection
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeBlocksSection(void)
{
if (m_version < 14) {
std::stringstream ss;
ss << "blocks1" << m_version << ".rub";
std::string fileSpec = m_dataDir + ss.str();
(*m_ofs) << getPlateFile(fileSpec);
}
//write blocks content
(*m_ofs) << (*m_ssBlock).str();
(*m_ofs) << " 0" << endl;
(*m_ofs) << "ENDSEC" << endl;
}
//***************************
//writeEntitiesSection
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeEntitiesSection(void)
{
std::stringstream ss;
ss << "entities" << m_version << ".rub";
std::string fileSpec = m_dataDir + ss.str();
(*m_ofs) << getPlateFile(fileSpec);
//write entities content
(*m_ofs) << (*m_ssEntity).str();
(*m_ofs) << " 0" << endl;
(*m_ofs) << "ENDSEC" << endl;
}
//***************************
//writeObjectsSection
//added by Wandererfan 2018 (wandererfan@gmail.com) for FreeCAD project
void CDxfWrite::writeObjectsSection(void)
{
if (m_version < 14) {
return;
}
std::stringstream ss;
ss << "objects" << m_version << ".rub";
std::string fileSpec = m_dataDir + ss.str();
(*m_ofs) << getPlateFile(fileSpec);
}
CDxfRead::CDxfRead(const char* filepath)
{
// start the file
memset( m_unused_line, '\0', sizeof(m_unused_line) );
m_fail = false;
m_aci = 0;
m_eUnits = eMillimeters;
m_measurement_inch = false;
strcpy(m_layer_name, "0"); // Default layer name
m_ignore_errors = true;
m_ifs = new ifstream(filepath);
if(!(*m_ifs)){
m_fail = true;
printf("DXF file didn't load\n");
return;
}
m_ifs->imbue(std::locale("C"));
}
CDxfRead::~CDxfRead()
{
delete m_ifs;
}
double CDxfRead::mm( double value ) const
{
if(m_measurement_inch)
{
value *= 0.0393700787401575;
}
switch(m_eUnits)
{
case eUnspecified: return(value * 1.0); // We don't know any better.
case eInches: return(value * 25.4);
case eFeet: return(value * 25.4 * 12);
case eMiles: return(value * 1609344.0);
case eMillimeters: return(value * 1.0);
case eCentimeters: return(value * 10.0);
case eMeters: return(value * 1000.0);
case eKilometers: return(value * 1000000.0);
case eMicroinches: return(value * 25.4 / 1000.0);
case eMils: return(value * 25.4 / 1000.0);
case eYards: return(value * 3 * 12 * 25.4);
case eAngstroms: return(value * 0.0000001);
case eNanometers: return(value * 0.000001);
case eMicrons: return(value * 0.001);
case eDecimeters: return(value * 100.0);
case eDekameters: return(value * 10000.0);
case eHectometers: return(value * 100000.0);
case eGigameters: return(value * 1000000000000.0);
case eAstronomicalUnits: return(value * 149597870690000.0);
case eLightYears: return(value * 9454254955500000000.0);
case eParsecs: return(value * 30856774879000000000.0);
default: return(value * 1.0); // We don't know any better.
} // End switch
} // End mm() method
bool CDxfRead::ReadLine()
{
double s[3] = {0, 0, 0};
double e[3] = {0, 0, 0};
bool hidden = false;
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadLine() Failed to read integer from '%s'\n", m_str );
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found, so finish with line
DerefACI();
OnReadLine(s, e, hidden);
hidden = false;
return true;
case 8: // Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 6: // line style name follows
get_line();
if(m_str[0] == 'h' || m_str[0] == 'H')hidden = true;
break;
case 10:
// start x
get_line();
ss.str(m_str); ss >> s[0]; s[0] = mm(s[0]); if(ss.fail()) return false;
break;
case 20:
// start y
get_line();
ss.str(m_str); ss >> s[1]; s[1] = mm(s[1]); if(ss.fail()) return false;
break;
case 30:
// start z
get_line();
ss.str(m_str); ss >> s[2]; s[2] = mm(s[2]); if(ss.fail()) return false;
break;
case 11:
// end x
get_line();
ss.str(m_str); ss >> e[0]; e[0] = mm(e[0]); if(ss.fail()) return false;
break;
case 21:
// end y
get_line();
ss.str(m_str); ss >> e[1]; e[1] = mm(e[1]); if(ss.fail()) return false;
break;
case 31:
// end z
get_line();
ss.str(m_str); ss >> e[2]; e[2] = mm(e[2]); if(ss.fail()) return false;
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
case 100:
case 39:
case 210:
case 220:
case 230:
// skip the next line
get_line();
break;
default:
// skip the next line
get_line();
break;
}
}
try {
DerefACI();
OnReadLine(s, e, false);
}
catch(...)
{
if (! IgnoreErrors()) throw; // Re-throw the exception.
}
return false;
}
bool CDxfRead::ReadPoint()
{
double s[3] = {0, 0, 0};
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadPoint() Failed to read integer from '%s'\n", m_str );
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found, so finish with line
DerefACI();
OnReadPoint(s);
return true;
case 8: // Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 10:
// start x
get_line();
ss.str(m_str); ss >> s[0]; s[0] = mm(s[0]); if(ss.fail()) return false;
break;
case 20:
// start y
get_line();
ss.str(m_str); ss >> s[1]; s[1] = mm(s[1]); if(ss.fail()) return false;
break;
case 30:
// start z
get_line();
ss.str(m_str); ss >> s[2]; s[2] = mm(s[2]); if(ss.fail()) return false;
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
case 100:
case 39:
case 210:
case 220:
case 230:
// skip the next line
get_line();
break;
default:
// skip the next line
get_line();
break;
}
}
try {
DerefACI();
OnReadPoint(s);
}
catch(...)
{
if (! IgnoreErrors()) throw; // Re-throw the exception.
}
return false;
}
bool CDxfRead::ReadArc()
{
double start_angle = 0.0;// in degrees
double end_angle = 0.0;
double radius = 0.0;
double c[3] = {0,0,0}; // centre
double z_extrusion_dir = 1.0;
bool hidden = false;
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadArc() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found, so finish with arc
DerefACI();
OnReadArc(start_angle, end_angle, radius, c,z_extrusion_dir, hidden);
hidden = false;
return true;
case 8: // Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 6: // line style name follows
get_line();
if(m_str[0] == 'h' || m_str[0] == 'H')hidden = true;
break;
case 10:
// centre x
get_line();
ss.str(m_str); ss >> c[0]; c[0] = mm(c[0]); if(ss.fail()) return false;
break;
case 20:
// centre y
get_line();
ss.str(m_str); ss >> c[1]; c[1] = mm(c[1]); if(ss.fail()) return false;
break;
case 30:
// centre z
get_line();
ss.str(m_str); ss >> c[2]; c[2] = mm(c[2]); if(ss.fail()) return false;
break;
case 40:
// radius
get_line();
ss.str(m_str); ss >> radius; radius = mm(radius); if(ss.fail()) return false;
break;
case 50:
// start angle
get_line();
ss.str(m_str); ss >> start_angle; if(ss.fail()) return false;
break;
case 51:
// end angle
get_line();
ss.str(m_str); ss >> end_angle; if(ss.fail()) return false;
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
case 100:
case 39:
case 210:
case 220:
// skip the next line
get_line();
break;
case 230:
//Z extrusion direction for arc
get_line();
ss.str(m_str); ss >> z_extrusion_dir; if(ss.fail()) return false;
break;
default:
// skip the next line
get_line();
break;
}
}
DerefACI();
OnReadArc(start_angle, end_angle, radius, c, z_extrusion_dir, false);
return false;
}
bool CDxfRead::ReadSpline()
{
struct SplineData sd;
sd.norm[0] = 0;
sd.norm[1] = 0;
sd.norm[2] = 1;
sd.degree = 0;
sd.knots = 0;
sd.flag = 0;
sd.control_points = 0;
sd.fit_points = 0;
double temp_double;
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadSpline() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found, so finish with Spline
DerefACI();
OnReadSpline(sd);
return true;
case 8: // Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
case 210:
// normal x
get_line();
ss.str(m_str); ss >> sd.norm[0]; if(ss.fail()) return false;
break;
case 220:
// normal y
get_line();
ss.str(m_str); ss >> sd.norm[1]; if(ss.fail()) return false;
break;
case 230:
// normal z
get_line();
ss.str(m_str); ss >> sd.norm[2]; if(ss.fail()) return false;
break;
case 70:
// flag
get_line();
ss.str(m_str); ss >> sd.flag; if(ss.fail()) return false;
break;
case 71:
// degree
get_line();
ss.str(m_str); ss >> sd.degree; if(ss.fail()) return false;
break;
case 72:
// knots
get_line();
ss.str(m_str); ss >> sd.knots; if(ss.fail()) return false;
break;
case 73:
// control points
get_line();
ss.str(m_str); ss >> sd.control_points; if(ss.fail()) return false;
break;
case 74:
// fit points
get_line();
ss.str(m_str); ss >> sd.fit_points; if(ss.fail()) return false;
break;
case 12:
// starttan x
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.starttanx.push_back(temp_double);
break;
case 22:
// starttan y
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.starttany.push_back(temp_double);
break;
case 32:
// starttan z
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.starttanz.push_back(temp_double);
break;
case 13:
// endtan x
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.endtanx.push_back(temp_double);
break;
case 23:
// endtan y
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.endtany.push_back(temp_double);
break;
case 33:
// endtan z
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.endtanz.push_back(temp_double);
break;
case 40:
// knot
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.knot.push_back(temp_double);
break;
case 41:
// weight
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.weight.push_back(temp_double);
break;
case 10:
// control x
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.controlx.push_back(temp_double);
break;
case 20:
// control y
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.controly.push_back(temp_double);
break;
case 30:
// control z
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.controlz.push_back(temp_double);
break;
case 11:
// fit x
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.fitx.push_back(temp_double);
break;
case 21:
// fit y
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.fity.push_back(temp_double);
break;
case 31:
// fit z
get_line();
ss.str(m_str); ss >> temp_double; temp_double = mm(temp_double); if(ss.fail()) return false;
sd.fitz.push_back(temp_double);
break;
case 42:
case 43:
case 44:
// skip the next line
get_line();
break;
default:
// skip the next line
get_line();
break;
}
}
DerefACI();
OnReadSpline(sd);
return false;
}
bool CDxfRead::ReadCircle()
{
double radius = 0.0;
double c[3] = {0,0,0}; // centre
bool hidden = false;
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadCircle() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found, so finish with Circle
DerefACI();
OnReadCircle(c, radius, hidden);
hidden = false;
return true;
case 6: // line style name follows
get_line();
if(m_str[0] == 'h' || m_str[0] == 'H')hidden = true;
break;
case 8: // Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 10:
// centre x
get_line();
ss.str(m_str); ss >> c[0]; c[0] = mm(c[0]); if(ss.fail()) return false;
break;
case 20:
// centre y
get_line();
ss.str(m_str); ss >> c[1]; c[1] = mm(c[1]); if(ss.fail()) return false;
break;
case 30:
// centre z
get_line();
ss.str(m_str); ss >> c[2]; c[2] = mm(c[2]); if(ss.fail()) return false;
break;
case 40:
// radius
get_line();
ss.str(m_str); ss >> radius; radius = mm(radius); if(ss.fail()) return false;
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
case 100:
case 39:
case 210:
case 220:
case 230:
// skip the next line
get_line();
break;
default:
// skip the next line
get_line();
break;
}
}
DerefACI();
OnReadCircle(c, radius, false);
return false;
}
bool CDxfRead::ReadText()
{
double c[3]; // coordinate
double height = 0.03082;
memset( c, 0, sizeof(c) );
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadText() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
return false;
case 8: // Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 10:
// centre x
get_line();
ss.str(m_str); ss >> c[0]; c[0] = mm(c[0]); if(ss.fail()) return false;
break;
case 20:
// centre y
get_line();
ss.str(m_str); ss >> c[1]; c[1] = mm(c[1]); if(ss.fail()) return false;
break;
case 30:
// centre z
get_line();
ss.str(m_str); ss >> c[2]; c[2] = mm(c[2]); if(ss.fail()) return false;
break;
case 40:
// text height
get_line();
ss.str(m_str); ss >> height; height = mm(height); if(ss.fail()) return false;
break;
case 1:
// text
get_line();
DerefACI();
OnReadText(c, height * 25.4 / 72.0, m_str);
return(true);
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
case 100:
case 39:
case 210:
case 220:
case 230:
// skip the next line
get_line();
break;
default:
// skip the next line
get_line();
break;
}
}
return false;
}
bool CDxfRead::ReadEllipse()
{
double c[3] = {0,0,0}; // centre
double m[3] = {0,0,0}; //major axis point
double ratio=0; //ratio of major to minor axis
double start=0; //start of arc
double end=0; // end of arc
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadEllipse() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found, so finish with Ellipse
DerefACI();
OnReadEllipse(c, m, ratio, start, end);
return true;
case 8: // Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 10:
// centre x
get_line();
ss.str(m_str); ss >> c[0]; c[0] = mm(c[0]); if(ss.fail()) return false;
break;
case 20:
// centre y
get_line();
ss.str(m_str); ss >> c[1]; c[1] = mm(c[1]); if(ss.fail()) return false;
break;
case 30:
// centre z
get_line();
ss.str(m_str); ss >> c[2]; c[2] = mm(c[2]); if(ss.fail()) return false;
break;
case 11:
// major x
get_line();
ss.str(m_str); ss >> m[0]; m[0] = mm(m[0]); if(ss.fail()) return false;
break;
case 21:
// major y
get_line();
ss.str(m_str); ss >> m[1]; m[1] = mm(m[1]); if(ss.fail()) return false;
break;
case 31:
// major z
get_line();
ss.str(m_str); ss >> m[2]; m[2] = mm(m[2]); if(ss.fail()) return false;
break;
case 40:
// ratio
get_line();
ss.str(m_str); ss >> ratio; if(ss.fail()) return false;
break;
case 41:
// start
get_line();
ss.str(m_str); ss >> start; if(ss.fail()) return false;
break;
case 42:
// end
get_line();
ss.str(m_str); ss >> end; if(ss.fail()) return false;
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
case 100:
case 210:
case 220:
case 230:
// skip the next line
get_line();
break;
default:
// skip the next line
get_line();
break;
}
}
DerefACI();
OnReadEllipse(c, m, ratio, start, end);
return false;
}
static bool poly_prev_found = false;
static double poly_prev_x;
static double poly_prev_y;
static double poly_prev_z;
static double poly_prev_bulge_found;
static double poly_prev_bulge;
static bool poly_first_found = false;
static double poly_first_x;
static double poly_first_y;
static double poly_first_z;
static void AddPolyLinePoint(CDxfRead* dxf_read, double x, double y, double z, bool bulge_found, double bulge)
{
try {
if(poly_prev_found)
{
bool arc_done = false;
if(poly_prev_bulge_found)
{
double cot = 0.5 * ((1.0 / poly_prev_bulge) - poly_prev_bulge);
double cx = ((poly_prev_x + x) - ((y - poly_prev_y) * cot)) / 2.0;
double cy = ((poly_prev_y + y) + ((x - poly_prev_x) * cot)) / 2.0;
double ps[3] = {poly_prev_x, poly_prev_y, poly_prev_z};
double pe[3] = {x, y, z};
double pc[3] = {cx, cy, (poly_prev_z + z)/2.0};
dxf_read->OnReadArc(ps, pe, pc, poly_prev_bulge >= 0, false);
arc_done = true;
}
if(!arc_done)
{
double s[3] = {poly_prev_x, poly_prev_y, poly_prev_z};
double e[3] = {x, y, z};
dxf_read->OnReadLine(s, e, false);
}
}
poly_prev_found = true;
poly_prev_x = x;
poly_prev_y = y;
poly_prev_z = z;
if(!poly_first_found)
{
poly_first_x = x;
poly_first_y = y;
poly_first_z = z;
poly_first_found = true;
}
poly_prev_bulge_found = bulge_found;
poly_prev_bulge = bulge;
}
catch(...)
{
if (! dxf_read->IgnoreErrors()) throw; // Re-throw it.
}
}
static void PolyLineStart()
{
poly_prev_found = false;
poly_first_found = false;
}
bool CDxfRead::ReadLwPolyLine()
{
PolyLineStart();
bool x_found = false;
bool y_found = false;
double x = 0.0;
double y = 0.0;
double z = 0.0;
bool bulge_found = false;
double bulge = 0.0;
bool closed = false;
int flags;
bool next_item_found = false;
while(!((*m_ifs).eof()) && !next_item_found)
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadLwPolyLine() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found
DerefACI();
if(x_found && y_found){
// add point
AddPolyLinePoint(this, x, y, z, bulge_found, bulge);
bulge_found = false;
x_found = false;
y_found = false;
}
next_item_found = true;
break;
case 8: // Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 10:
// x
get_line();
if(x_found && y_found){
// add point
AddPolyLinePoint(this, x, y, z, bulge_found, bulge);
bulge_found = false;
x_found = false;
y_found = false;
}
ss.str(m_str); ss >> x; x = mm(x); if(ss.fail()) return false;
x_found = true;
break;
case 20:
// y
get_line();
ss.str(m_str); ss >> y; y = mm(y); if(ss.fail()) return false;
y_found = true;
break;
case 38:
// elevation
get_line();
ss.str(m_str); ss >> z; z = mm(z); if(ss.fail()) return false;
break;
case 42:
// bulge
get_line();
ss.str(m_str); ss >> bulge; if(ss.fail()) return false;
bulge_found = true;
break;
case 70:
// flags
get_line();
if(sscanf(m_str, "%d", &flags) != 1)return false;
closed = ((flags & 1) != 0);
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
default:
// skip the next line
get_line();
break;
}
}
if(next_item_found)
{
if(closed && poly_first_found)
{
// repeat the first point
DerefACI();
AddPolyLinePoint(this, poly_first_x, poly_first_y, poly_first_z, false, 0.0);
}
return true;
}
return false;
}
bool CDxfRead::ReadVertex(double *pVertex, bool *bulge_found, double *bulge)
{
bool x_found = false;
bool y_found = false;
double x = 0.0;
double y = 0.0;
double z = 0.0;
*bulge = 0.0;
*bulge_found = false;
pVertex[0] = 0.0;
pVertex[1] = 0.0;
pVertex[2] = 0.0;
while(!(*m_ifs).eof()) {
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1) {
printf("CDxfRead::ReadVertex() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
DerefACI();
put_line(m_str); // read one line too many. put it back.
return(x_found && y_found);
break;
case 8: // Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 10:
// x
get_line();
ss.str(m_str); ss >> x; pVertex[0] = mm(x); if(ss.fail()) return false;
x_found = true;
break;
case 20:
// y
get_line();
ss.str(m_str); ss >> y; pVertex[1] = mm(y); if(ss.fail()) return false;
y_found = true;
break;
case 30:
// z
get_line();
ss.str(m_str); ss >> z; pVertex[2] = mm(z); if(ss.fail()) return false;
break;
case 42:
get_line();
*bulge_found = true;
ss.str(m_str); ss >> *bulge; if(ss.fail()) return false;
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
default:
// skip the next line
get_line();
break;
}
}
return false;
}
bool CDxfRead::ReadPolyLine()
{
PolyLineStart();
bool closed = false;
int flags;
bool first_vertex_section_found = false;
double first_vertex[3] = {0,0,0};
bool bulge_found;
double bulge;
while(!(*m_ifs).eof())
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadPolyLine() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found
DerefACI();
get_line();
if (! strcmp(m_str,"VERTEX"))
{
double vertex[3] = {0,0,0};
if (CDxfRead::ReadVertex(vertex, &bulge_found, &bulge))
{
if(!first_vertex_section_found) {
first_vertex_section_found = true;
memcpy(first_vertex, vertex, 3*sizeof(double));
}
AddPolyLinePoint(this, vertex[0], vertex[1], vertex[2], bulge_found, bulge);
break;
}
}
if (! strcmp(m_str,"SEQEND"))
{
if(closed && first_vertex_section_found) {
AddPolyLinePoint(this, first_vertex[0], first_vertex[1], first_vertex[2], 0, 0);
}
first_vertex_section_found = false;
PolyLineStart();
return(true);
}
break;
case 70:
// flags
get_line();
if(sscanf(m_str, "%d", &flags) != 1)return false;
closed = ((flags & 1) != 0);
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
default:
// skip the next line
get_line();
break;
}
}
return false;
}
void CDxfRead::OnReadArc(double start_angle, double end_angle, double radius, const double* c, double z_extrusion_dir, bool hidden){
double s[3] = {0,0,0}, e[3] = {0,0,0}, temp[3] = {0,0,0};
if (z_extrusion_dir==1.0)
{
temp[0] =c[0];
temp[1] =c[1];
temp[2] =c[2];
s[0] = c[0] + radius * cos(start_angle * M_PI/180);
s[1] = c[1] + radius * sin(start_angle * M_PI/180);
s[2] = c[2];
e[0] = c[0] + radius * cos(end_angle * M_PI/180);
e[1] = c[1] + radius * sin(end_angle * M_PI/180);
e[2] = c[2];
}
else
{
temp[0] =-c[0];
temp[1] =c[1];
temp[2] =c[2];
e[0] = -(c[0] + radius * cos(start_angle * M_PI/180));
e[1] = (c[1] + radius * sin(start_angle * M_PI/180));
e[2] = c[2];
s[0] = -(c[0] + radius * cos(end_angle * M_PI/180));
s[1] = (c[1] + radius * sin(end_angle * M_PI/180));
s[2] = c[2];
}
OnReadArc(s, e, temp, true, hidden);
}
void CDxfRead::OnReadCircle(const double* c, double radius, bool hidden){
double s[3];
double start_angle = 0;
s[0] = c[0] + radius * cos(start_angle * M_PI/180);
s[1] = c[1] + radius * sin(start_angle * M_PI/180);
s[2] = c[2];
OnReadCircle(s, c, false, hidden); //false to change direction because otherwise the arc length is zero
}
void CDxfRead::OnReadEllipse(const double* c, const double* m, double ratio, double start_angle, double end_angle){
double major_radius = sqrt(m[0]*m[0] + m[1]*m[1] + m[2]*m[2]);
double minor_radius = major_radius * ratio;
//Since we only support 2d stuff, we can calculate the rotation from the major axis x and y value only,
//since z is zero, major_radius is the vector length
double rotation = atan2(m[1]/major_radius,m[0]/major_radius);
OnReadEllipse(c, major_radius, minor_radius, rotation, start_angle, end_angle, true);
}
bool CDxfRead::ReadInsert()
{
double c[3] = {0,0,0}; // coordinate
double s[3] = {0,0,0}; // scale
double rot = 0.0; // rotation
char name[1024];
s[0] = 1.0;
s[1] = 1.0;
s[2] = 1.0;
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadInsert() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found
DerefACI();
OnReadInsert(c, s, name, rot * M_PI/180);
return(true);
case 8:
// Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 10:
// coord x
get_line();
ss.str(m_str); ss >> c[0]; c[0] = mm(c[0]); if(ss.fail()) return false;
break;
case 20:
// coord y
get_line();
ss.str(m_str); ss >> c[1]; c[1] = mm(c[1]); if(ss.fail()) return false;
break;
case 30:
// coord z
get_line();
ss.str(m_str); ss >> c[2]; c[2] = mm(c[2]); if(ss.fail()) return false;
break;
case 41:
// scale x
get_line();
ss.str(m_str); ss >> s[0]; if(ss.fail()) return false;
break;
case 42:
// scale y
get_line();
ss.str(m_str); ss >> s[1]; if(ss.fail()) return false;
break;
case 43:
// scale z
get_line();
ss.str(m_str); ss >> s[2]; if(ss.fail()) return false;
break;
case 50:
// rotation
get_line();
ss.str(m_str); ss >> rot; if(ss.fail()) return false;
break;
case 2:
// block name
get_line();
strcpy(name, m_str);
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
case 100:
case 39:
case 210:
case 220:
case 230:
// skip the next line
get_line();
break;
default:
// skip the next line
get_line();
break;
}
}
return false;
}
bool CDxfRead::ReadDimension()
{
double s[3] = {0,0,0}; // startpoint
double e[3] = {0,0,0}; // endpoint
double p[3] = {0,0,0}; // dimpoint
double rot = -1.0; // rotation
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadInsert() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0:
// next item found
DerefACI();
OnReadDimension(s, e, p, rot * M_PI/180);
return(true);
case 8:
// Layer name follows
get_line();
strcpy(m_layer_name, m_str);
break;
case 13:
// start x
get_line();
ss.str(m_str); ss >> s[0]; s[0] = mm(s[0]); if(ss.fail()) return false;
break;
case 23:
// start y
get_line();
ss.str(m_str); ss >> s[1]; s[1] = mm(s[1]); if(ss.fail()) return false;
break;
case 33:
// start z
get_line();
ss.str(m_str); ss >> s[2]; s[2] = mm(s[2]); if(ss.fail()) return false;
break;
case 14:
// end x
get_line();
ss.str(m_str); ss >> e[0]; e[0] = mm(e[0]); if(ss.fail()) return false;
break;
case 24:
// end y
get_line();
ss.str(m_str); ss >> e[1]; e[1] = mm(e[1]); if(ss.fail()) return false;
break;
case 34:
// end z
get_line();
ss.str(m_str); ss >> e[2]; e[2] = mm(e[2]); if(ss.fail()) return false;
break;
case 10:
// dimline x
get_line();
ss.str(m_str); ss >> p[0]; p[0] = mm(p[0]); if(ss.fail()) return false;
break;
case 20:
// dimline y
get_line();
ss.str(m_str); ss >> p[1]; p[1] = mm(p[1]); if(ss.fail()) return false;
break;
case 30:
// dimline z
get_line();
ss.str(m_str); ss >> p[2]; p[2] = mm(p[2]); if(ss.fail()) return false;
break;
case 50:
// rotation
get_line();
ss.str(m_str); ss >> rot; if(ss.fail()) return false;
break;
case 62:
// color index
get_line();
ss.str(m_str); ss >> m_aci; if(ss.fail()) return false;
break;
case 100:
case 39:
case 210:
case 220:
case 230:
// skip the next line
get_line();
break;
default:
// skip the next line
get_line();
break;
}
}
return false;
}
bool CDxfRead::ReadBlockInfo()
{
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadBlockInfo() Failed to read integer from '%s'\n", m_str);
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 2:
// block name
get_line();
strcpy(m_block_name, m_str);
return true;
case 3:
// block name too???
get_line();
strcpy(m_block_name, m_str);
return true;
default:
// skip the next line
get_line();
break;
}
}
return false;
}
void CDxfRead::get_line()
{
if (m_unused_line[0] != '\0')
{
strcpy(m_str, m_unused_line);
memset( m_unused_line, '\0', sizeof(m_unused_line));
return;
}
m_ifs->getline(m_str, 1024);
char str[1024];
size_t len = strlen(m_str);
int j = 0;
bool non_white_found = false;
for(size_t i = 0; i<len; i++){
if(non_white_found || (m_str[i] != ' ' && m_str[i] != '\t')){
if(m_str[i] != '\r')
{
str[j] = m_str[i]; j++;
}
non_white_found = true;
}
}
str[j] = 0;
strcpy(m_str, str);
}
void CDxfRead::put_line(const char *value)
{
strcpy( m_unused_line, value );
}
bool CDxfRead::ReadUnits()
{
get_line(); // Skip to next line.
get_line(); // Skip to next line.
int n = 0;
if(sscanf(m_str, "%d", &n) == 1)
{
m_eUnits = eDxfUnits_t( n );
return(true);
} // End if - then
else
{
printf("CDxfRead::ReadUnits() Failed to get integer from '%s'\n", m_str);
return(false);
}
}
bool CDxfRead::ReadLayer()
{
std::string layername;
int aci = -1;
while(!((*m_ifs).eof()))
{
get_line();
int n;
if(sscanf(m_str, "%d", &n) != 1)
{
printf("CDxfRead::ReadLayer() Failed to read integer from '%s'\n", m_str );
return false;
}
std::istringstream ss;
ss.imbue(std::locale("C"));
switch(n){
case 0: // next item found, so finish with line
if (layername.empty())
{
printf("CDxfRead::ReadLayer() - no layer name\n");
return false;
}
m_layer_aci[layername] = aci;
return true;
case 2: // Layer name follows
get_line();
layername = m_str;
break;
case 62:
// layer color ; if negative, layer is off
get_line();
if(sscanf(m_str, "%d", &aci) != 1)return false;
break;
case 6: // linetype name
case 70: // layer flags
case 100:
case 290:
case 370:
case 390:
// skip the next line
get_line();
break;
default:
// skip the next line
get_line();
break;
}
}
return false;
}
void CDxfRead::DoRead(const bool ignore_errors /* = false */ )
{
m_ignore_errors = ignore_errors;
if(m_fail)return;
get_line();
while(!((*m_ifs).eof()))
{
if (!strcmp( m_str, "$INSUNITS" )){
if (!ReadUnits())return;
continue;
} // End if - then
if (!strcmp( m_str, "$MEASUREMENT" )){
get_line();
get_line();
int n = 1;
if(sscanf(m_str, "%d", &n) == 1)
{
if(n == 0)m_measurement_inch = true;
}
continue;
} // End if - then
else if(!strcmp(m_str, "0"))
{
get_line();
if (!strcmp( m_str, "SECTION" )){
get_line();
get_line();
if (strcmp( m_str, "ENTITIES" ))
strcpy(m_section_name, m_str);
strcpy(m_block_name, "");
} // End if - then
else if (!strcmp( m_str, "TABLE" )){
get_line();
get_line();
}
else if (!strcmp( m_str, "LAYER" )){
get_line();
get_line();
if(!ReadLayer())
{
printf("CDxfRead::DoRead() Failed to read layer\n");
//return; Some objects or tables can have "LAYER" as name...
}
continue;
}
else if (!strcmp( m_str, "BLOCK" )) {
if(!ReadBlockInfo())
{
printf("CDxfRead::DoRead() Failed to read block info\n");
return;
}
continue;
} // End if - then
else if (!strcmp( m_str, "ENDSEC" )){
strcpy(m_section_name, "");
strcpy(m_block_name, "");
} // End if - then
else if(!strcmp(m_str, "LINE")){
if(!ReadLine())
{
printf("CDxfRead::DoRead() Failed to read line\n");
return;
}
continue;
}
else if(!strcmp(m_str, "ARC")){
if(!ReadArc())
{
printf("CDxfRead::DoRead() Failed to read arc\n");
return;
}
continue;
}
else if(!strcmp(m_str, "CIRCLE")){
if(!ReadCircle())
{
printf("CDxfRead::DoRead() Failed to read circle\n");
return;
}
continue;
}
else if(!strcmp(m_str, "MTEXT")){
if(!ReadText())
{
printf("CDxfRead::DoRead() Failed to read text\n");
return;
}
continue;
}
else if(!strcmp(m_str, "TEXT")){
if(!ReadText())
{
printf("CDxfRead::DoRead() Failed to read text\n");
return;
}
continue;
}
else if(!strcmp(m_str, "ELLIPSE")){
if(!ReadEllipse())
{
printf("CDxfRead::DoRead() Failed to read ellipse\n");
return;
}
continue;
}
else if(!strcmp(m_str, "SPLINE")){
if(!ReadSpline())
{
printf("CDxfRead::DoRead() Failed to read spline\n");
return;
}
continue;
}
else if (!strcmp(m_str, "LWPOLYLINE")) {
if(!ReadLwPolyLine())
{
printf("CDxfRead::DoRead() Failed to read LW Polyline\n");
return;
}
continue;
}
else if (!strcmp(m_str, "POLYLINE")) {
if(!ReadPolyLine())
{
printf("CDxfRead::DoRead() Failed to read Polyline\n");
return;
}
continue;
}
else if (!strcmp(m_str, "POINT")) {
if(!ReadPoint())
{
printf("CDxfRead::DoRead() Failed to read Point\n");
return;
}
continue;
}
else if (!strcmp(m_str, "INSERT")) {
if(!ReadInsert())
{
printf("CDxfRead::DoRead() Failed to read Insert\n");
return;
}
continue;
}
else if (!strcmp(m_str, "DIMENSION")) {
if(!ReadDimension())
{
printf("CDxfRead::DoRead() Failed to read Dimension\n");
return;
}
continue;
}
}
get_line();
}
AddGraphics();
}
void CDxfRead::DerefACI()
{
if (m_aci == 256) // if color = layer color, replace by color from layer
{
m_aci = m_layer_aci[std::string(m_layer_name)];
}
}
std::string CDxfRead::LayerName() const
{
std::string result;
if (strlen(m_section_name) > 0)
{
result.append(m_section_name);
result.append(" ");
}
if (strlen(m_block_name) > 0)
{
result.append(m_block_name);
result.append(" ");
}
if (strlen(m_layer_name) > 0)
{
result.append(m_layer_name);
}
return(result);
}
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