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drw_entities.cpp
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drw_entities.cpp
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/******************************************************************************
** libDXFrw - Library to read/write DXF files (ascii & binary) **
** **
** Copyright (C) 2011 Rallaz, rallazz@gmail.com **
** **
** This library is free software, licensed under the terms of the GNU **
** General Public License as published by the Free Software Foundation, **
** either version 2 of the License, or (at your option) any later version. **
** You should have received a copy of the GNU General Public License **
** along with this program. If not, see <http://www.gnu.org/licenses/>. **
******************************************************************************/
#include <cstdlib>
#include "drw_entities.h"
#include "dxfreader.h"
#include "dwgbuffer.h"
#include "libdwgr.h"// for debug
//! Calculate arbitary axis
/*!
* Calculate arbitary axis for aplly extrusions
* @author Rallaz
*/
void DRW_Entity::calculateAxis(DRW_Coord extPoint){
if (fabs(extPoint.x) < 0.015625 && fabs(extPoint.y) < 0.015625) {
extAxisX.x = extPoint.z;
extAxisX.y = 0;
extAxisX.z = -extPoint.x;
} else {
extAxisX.x = -extPoint.y;
extAxisX.y = extPoint.x;
extAxisX.z = 0;
}
extAxisX.unitize();
extAxisY.x = (extPoint.y * extAxisX.z) - (extAxisX.y * extPoint.z);
extAxisY.y = (extPoint.z * extAxisX.x) - (extAxisX.z * extPoint.x);
extAxisY.z = (extPoint.x * extAxisX.y) - (extAxisX.x * extPoint.y);
extAxisY.unitize();
}
//! Extrude a point using arbitary axis
/*!
* apply extrusion in a point using arbitary axis (previous calculated)
* @author Rallaz
*/
void DRW_Entity::extrudePoint(DRW_Coord extPoint, DRW_Coord *point){
double px, py, pz;
px = (extAxisX.x*point->x)+(extAxisY.x*point->y)+(extPoint.x*point->z);
py = (extAxisX.y*point->x)+(extAxisY.y*point->y)+(extPoint.y*point->z);
pz = (extAxisX.z*point->x)+(extAxisY.z*point->y)+(extPoint.z*point->z);
point->x = px;
point->y = py;
point->z = pz;
}
void DRW_Entity::parseCode(int code, dxfReader *reader){
switch (code) {
case 5:
handle = reader->getHandleString();
break;
case 330:
handleBlock = reader->getHandleString();
break;
case 8:
layer = reader->getUtf8String();
break;
case 6:
lineType = reader->getUtf8String();
break;
case 62:
color = reader->getInt32();
break;
case 370:
lWeight = DRW_LW_Conv::dxfInt2lineWidth(reader->getInt32());
break;
case 48:
ltypeScale = reader->getDouble();
break;
case 60:
visible = reader->getBool();
break;
case 420:
color24 = reader->getInt32();
break;
case 430:
colorName = reader->getString();
break;
case 67:
space = reader->getInt32();
break;
default:
break;
}
}
bool DRW_Entity::parseDwg(DRW::Version version, dwgBuffer *buf){
duint32 objSize;
duint8 ltFlags; //BB
/*dint16 oType =*/ buf->getBitShort();
DBG("\n***************************** parsing entity *********************************************\n");
if (version > DRW::AC1014) {//2000+
objSize = buf->getRawLong32(); //RL 32bits
}
dwgHandle ho = buf->getHandle();
handle = ho.ref;
DBG("Entity Handle: "); DBG(ho.code); DBG(".");
DBG(ho.size); DBG("."); DBG(ho.ref);
dint16 extDataSize = buf->getBitShort(); //BS
DBG(" ext data size: "); DBG(extDataSize);
if (extDataSize>0 && buf->isGood()) {
dwgHandle ah = buf->getHandle();
DBG("App Handle: "); DBG(ah.code); DBG(".");
DBG(ah.size); DBG("."); DBG(ah.ref);
duint8 dxfCode = buf->getRawChar8();
DBG(" dxfCode: "); DBG(dxfCode);
switch (dxfCode){
case 0:{
duint8 strLength = buf->getRawChar8();
DBG(" strLength: "); DBG(strLength);
duint16 cp = buf->getBERawShort16();
DBG(" str codepage: "); DBG(cp);
for (int i=0;i< strLength+1;i++) {//string length + null terminating char
duint8 dxfChar = buf->getRawChar8();
DBG(" dxfChar: "); DBG(dxfChar);
}
break;
}
default:
/* RLZ: TODO */
break;
}
extDataSize = buf->getBitShort(); //BS
DBG(" ext data size: "); DBG(extDataSize);
} //end parsing extData (EED)
duint8 graphFlag = buf->getBit(); //B
DBG(" graphFlag: "); DBG(graphFlag); DBG("\n");
if (graphFlag) {
duint32 graphData = buf->getRawLong32(); //RL 32bits
DBG("graphData in bytes: "); DBG(graphData); DBG("\n");
// RLZ: TODO
}
if (version < DRW::AC1015) {//14-
objSize = buf->getRawLong32(); //RL 32bits size in bits
}
DBG(" objSize in bits: "); DBG(objSize); DBG("\n");
duint8 entmode = buf->get2Bits(); //BB
if (entmode == 0)
entmode = 2;
else if(entmode ==2)
entmode = 0;
space = entmode;
DBG("entmode: "); DBG(entmode);
duint8 numReactors = buf->getBitLong(); //BL
DBG(", numReactors: "); DBG(numReactors);
if (version < DRW::AC1015) {//14-
if(buf->getBit()) //is bylayer line type
lineType = "BYLAYER";
else
lineType = "";
}
if (version > DRW::AC1015) {//2004+
/*duint8 xDictFlag =*/ buf->getBit();
}
if (version > DRW::AC1015) {//2004+
/*duint8 xDictFlag =*/ buf->getBit();
}
nextLinkers = buf->getBit(); //aka nolinks //B
DBG(", nextLinkers: "); DBG(nextLinkers);
color = buf->getBitShort(); //BS or CMC
ltypeScale = buf->getBitDouble(); //BD
DBG(" entity color: "); DBG(color);
DBG(" ltScale: "); DBG(ltypeScale); DBG("\n");
if (version > DRW::AC1014) {//2000+
ltFlags = buf->get2Bits(); //BB
if (ltFlags == 1)
lineType = "byblock";
else if (ltFlags == 2)
lineType = "continuous";
else if (ltFlags == 0)
lineType = "bylayer";
else //handle at end
lineType = "";
DBG("ltFlags: "); DBG(ltFlags);
DBG(" lineType: "); DBG(lineType.c_str());
plotFlags = buf->get2Bits(); //BB
DBG(", plotFlags: "); DBG(plotFlags);
}
if (version > DRW::AC1018) {//2007+
/*duint8 materialFlag =*/ buf->get2Bits(); //BB
/*duint8 shadowFlag =*/ buf->getRawChar8(); //RC
}
dint16 invisibleFlag = buf->getBitShort(); //BS
DBG(" invisibleFlag: "); DBG(invisibleFlag);
if (version > DRW::AC1014) {//2000+
lWeight = DRW_LW_Conv::dwgInt2lineWidth( buf->getRawChar8() ); //RC
DBG(" lwFlag (lWeight): "); DBG(lWeight); DBG("\n");
}
return buf->isGood();
}
bool DRW_Entity::parseDwgEntHandle(DRW::Version version, dwgBuffer *buf){
// X handleAssoc; //X
DBG("X handleAssoc: \n");
//lineType handle
if(space == 2){//entity are in block
dwgHandle ownerH = buf->getHandle();
DBG("owner Handle: "); DBG(ownerH.code); DBG(".");
DBG(ownerH.size); DBG("."); DBG(ownerH.ref); DBG("\n");
DBG(" Remaining bytes: "); DBG(buf->numRemainingBytes()); DBG("\n");
if (ownerH.code == 12)
handleBlock = handle - ownerH.ref;
else if (ownerH.code == 10)
handleBlock = handle + ownerH.ref;
}
DBG(" Block Handle: "); DBG(handleBlock); DBG(".");
dwgHandle XDicObjH = buf->getHandle();
DBG(" XDicObj control Handle: "); DBG(XDicObjH.code); DBG(".");
DBG(XDicObjH.size); DBG("."); DBG(XDicObjH.ref); DBG("\n");
DBG("Remaining bytes: "); DBG(buf->numRemainingBytes()); DBG("\n");
if (version > DRW::AC1014) {//2000+
if (nextLinkers == 0) {
for (int i=0; i<2;i++) {
dwgHandle nextLinkH = buf->getHandle();
DBG(" nextLinkers Handle: "); DBG(nextLinkH.code); DBG(".");
DBG(nextLinkH.size); DBG("."); DBG(nextLinkH.ref); DBG("\n");
DBG("\n Remaining bytes: "); DBG(buf->numRemainingBytes()); DBG("\n");
}
}
}
//layer handle
dwgHandle layerH = buf->getHandle();
DBG(" layer Handle: "); DBG(layerH.code); DBG(".");
DBG(layerH.size); DBG("."); DBG(layerH.ref); DBG("\n");
DBG(" Remaining bytes: "); DBG(buf->numRemainingBytes()); DBG("\n");
//lineType handle
if(lineType.empty()){
dwgHandle ltypeH = buf->getHandle();
DBG("linetype Handle: "); DBG(ltypeH.code); DBG(".");
DBG(ltypeH.size); DBG("."); DBG(ltypeH.ref); DBG("\n");
DBG(" Remaining bytes: "); DBG(buf->numRemainingBytes()); DBG("\n");
}
if (version < DRW::AC1015) {//14-
if (nextLinkers == 0) {
for (int i=0; i<2;i++) {
dwgHandle nextLinkH = buf->getHandle();
DBG(" nextLinkers Handle: "); DBG(nextLinkH.code); DBG(".");
DBG(nextLinkH.size); DBG("."); DBG(nextLinkH.ref); DBG("\n");
DBG("\n Remaining bytes: "); DBG(buf->numRemainingBytes()); DBG("\n");
}
}
}
if (version > DRW::AC1014) {//2000+
if (plotFlags == 3) {
dwgHandle plotStyleH = buf->getHandle();
DBG(" plot style Handle: "); DBG(plotStyleH.code); DBG(".");
DBG(plotStyleH.size); DBG("."); DBG(plotStyleH.ref); DBG("\n");
DBG("\n Remaining bytes: "); DBG(buf->numRemainingBytes()); DBG("\n");
}
}
return buf->isGood();
}
void DRW_Point::parseCode(int code, dxfReader *reader){
switch (code) {
case 10:
basePoint.x = reader->getDouble();
break;
case 20:
basePoint.y = reader->getDouble();
break;
case 30:
basePoint.z = reader->getDouble();
break;
case 39:
thickness = reader->getDouble();
break;
case 210:
haveExtrusion = true;
extPoint.x = reader->getDouble();
break;
case 220:
extPoint.y = reader->getDouble();
break;
case 230:
extPoint.z = reader->getDouble();
break;
default:
DRW_Entity::parseCode(code, reader);
break;
}
}
bool DRW_Point::parseDwg(DRW::Version version, dwgBuffer *buf){
bool ret = DRW_Entity::parseDwg(version, buf);
if (!ret)
return ret;
DBG("\n***************************** parsing point *********************************************\n");
basePoint.x = buf->getBitDouble();
basePoint.y = buf->getBitDouble();
basePoint.z = buf->getBitDouble();
DBG("startX: "); DBG(basePoint.x);
DBG(", startY: "); DBG(basePoint.y);
DBG(", startZ: "); DBG(basePoint.z);
bool readOpt = true;
if (version > DRW::AC1014) {//2000+
readOpt = !buf->getBit();
}
if (readOpt) {
thickness = buf->getBitDouble();//BD
}
readOpt = true;
if (version > DRW::AC1014) {//2000+
readOpt = !buf->getBit();
}
if (readOpt) {
extPoint.x = buf->getBitDouble();//BD
extPoint.y = buf->getBitDouble();//BD
extPoint.z = buf->getBitDouble();//BD
}
double x_axis = buf->getBitDouble();//BD
DBG(" x_axis: ");DBG(x_axis);DBG("\n");
// X handleAssoc; //X
ret = DRW_Entity::parseDwgEntHandle(version, buf);
if (!ret)
return ret;
// RS crc; //RS */
return buf->isGood();
}
void DRW_Line::parseCode(int code, dxfReader *reader){
switch (code) {
case 11:
secPoint.x = reader->getDouble();
break;
case 21:
secPoint.y = reader->getDouble();
break;
case 31:
secPoint.z = reader->getDouble();
break;
default:
DRW_Point::parseCode(code, reader);
break;
}
}
bool DRW_Line::parseDwg(DRW::Version version, dwgBuffer *buf){
bool ret = DRW_Entity::parseDwg(version, buf);
if (!ret)
return ret;
DBG("\n***************************** parsing line *********************************************\n");
if (version < DRW::AC1015) {//14-
basePoint.x = buf->getBitDouble();
basePoint.y = buf->getBitDouble();
basePoint.z = buf->getBitDouble();
secPoint.x = buf->getBitDouble();
secPoint.y = buf->getBitDouble();
secPoint.z = buf->getBitDouble();
}
if (version > DRW::AC1014) {//2000+
bool zIsZero = buf->getBit(); //B
basePoint.x = buf->getRawDouble();//RD
secPoint.x = buf->getDefaultDouble(basePoint.x);//DD
basePoint.y = buf->getRawDouble();//RD
secPoint.y = buf->getDefaultDouble(basePoint.y);//DD
if (!zIsZero) {
basePoint.z = buf->getRawDouble();//RD
secPoint.z = buf->getDefaultDouble(basePoint.z);//DD
}
}
DBG("startX: "); DBG(basePoint.x);
DBG(", endX: "); DBG(secPoint.x);
DBG(", startY: "); DBG(basePoint.y);
DBG(", endY: "); DBG(secPoint.y);
DBG(", startZ: "); DBG(basePoint.z);
DBG(", endZ: "); DBG(secPoint.z); DBG("\n");
bool readOpt = true;
if (version > DRW::AC1014) {//2000+
readOpt = !buf->getBit();
}
if (readOpt) {
thickness = buf->getBitDouble();//BD
}
readOpt = true;
if (version > DRW::AC1014) {//2000+
readOpt = !buf->getBit();
}
if (readOpt) {
extPoint.x = buf->getBitDouble();//BD
extPoint.y = buf->getBitDouble();//BD
extPoint.z = buf->getBitDouble();//BD
}
// X handleAssoc; //X
ret = DRW_Entity::parseDwgEntHandle(version, buf);
if (!ret)
return ret;
// RS crc; //RS */
return buf->isGood();
}
void DRW_Circle::applyExtrusion(){
if (haveExtrusion) {
calculateAxis(extPoint);
extrudePoint(extPoint, &basePoint);
}
}
void DRW_Circle::parseCode(int code, dxfReader *reader){
switch (code) {
case 40:
radious = reader->getDouble();
break;
default:
DRW_Point::parseCode(code, reader);
break;
}
}
bool DRW_Circle::parseDwg(DRW::Version version, dwgBuffer *buf){
bool ret = DRW_Entity::parseDwg(version, buf);
if (!ret)
return ret;
DBG("\n***************************** parsing circle *********************************************\n");
basePoint.x = buf->getBitDouble();
basePoint.y = buf->getBitDouble();
basePoint.z = buf->getBitDouble();
DBG("startX: "); DBG(basePoint.x);
DBG(", startY: "); DBG(basePoint.y);
DBG(", startZ: "); DBG(basePoint.z);
radious = buf->getBitDouble();
DBG(" radius: "); DBG(radious);
bool readOpt = true;
if (version > DRW::AC1014) {//2000+
readOpt = !buf->getBit();
}
if (readOpt) {
thickness = buf->getBitDouble();//BD
}
readOpt = true;
if (version > DRW::AC1014) {//2000+
readOpt = !buf->getBit();
}
if (readOpt) {
extPoint.x = buf->getBitDouble();//BD
extPoint.y = buf->getBitDouble();//BD
extPoint.z = buf->getBitDouble();//BD
}
// X handleAssoc; //X
ret = DRW_Entity::parseDwgEntHandle(version, buf);
if (!ret)
return ret;
// RS crc; //RS */
return buf->isGood();
}
void DRW_Arc::parseCode(int code, dxfReader *reader){
switch (code) {
case 50:
staangle = reader->getDouble()/ ARAD;
break;
case 51:
endangle = reader->getDouble()/ ARAD;
break;
default:
DRW_Circle::parseCode(code, reader);
break;
}
}
bool DRW_Arc::parseDwg(DRW::Version version, dwgBuffer *buf){
bool ret = DRW_Entity::parseDwg(version, buf);
if (!ret)
return ret;
DBG("\n***************************** parsing circle arc *********************************************\n");
basePoint.x = buf->getBitDouble();
basePoint.y = buf->getBitDouble();
basePoint.z = buf->getBitDouble();
DBG("startX: "); DBG(basePoint.x); DBG(", Y: "); DBG(basePoint.y); DBG(", : "); DBG(basePoint.z);
radious = buf->getBitDouble();
DBG(" radius: "); DBG(radious);
bool readOpt = true;
if (version > DRW::AC1014) {//2000+
readOpt = !buf->getBit();
}
if (readOpt) {
thickness = buf->getBitDouble();//BD
}
readOpt = true;
if (version > DRW::AC1014) {//2000+
readOpt = !buf->getBit();
}
if (readOpt) {
extPoint.x = buf->getBitDouble();//BD
extPoint.y = buf->getBitDouble();//BD
extPoint.z = buf->getBitDouble();//BD
}
staangle = buf->getBitDouble();
DBG(" start angle: "); DBG(staangle);
endangle = buf->getBitDouble();
DBG(" end angle: "); DBG(endangle);
// X handleAssoc; //X
// RS crc; //RS */
ret = DRW_Entity::parseDwgEntHandle(version, buf);
if (!ret)
return ret;
return buf->isGood();
}
void DRW_Ellipse::parseCode(int code, dxfReader *reader){
switch (code) {
case 40:
ratio = reader->getDouble();
break;
case 41:
staparam = reader->getDouble();
break;
case 42:
endparam = reader->getDouble();
break;
default:
DRW_Line::parseCode(code, reader);
break;
}
}
bool DRW_Ellipse::parseDwg(DRW::Version version, dwgBuffer *buf){
bool ret = DRW_Entity::parseDwg(version, buf);
if (!ret)
return ret;
DBG("\n***************************** parsing ellipse *********************************************\n");
basePoint.x = buf->getBitDouble();
basePoint.y = buf->getBitDouble();
basePoint.z = buf->getBitDouble();
secPoint.x = buf->getBitDouble();
secPoint.y = buf->getBitDouble();
secPoint.z = buf->getBitDouble();
DBG("center X: "); DBG(basePoint.x); DBG(", Y: "); DBG(basePoint.y); DBG(", Z: "); DBG(basePoint.z);
DBG(", axis X: "); DBG(secPoint.x); DBG(", Y: "); DBG(secPoint.y); DBG(", Z: "); DBG(secPoint.z); DBG("\n");
extPoint.x = buf->getBitDouble();//BD
extPoint.y = buf->getBitDouble();//BD
extPoint.z = buf->getBitDouble();//BD
ratio = buf->getBitDouble();//BD
DBG("ratio: "); DBG(ratio);
staparam = buf->getBitDouble();//BD
DBG(" start param: "); DBG(staparam);
endparam = buf->getBitDouble();//BD
DBG(" end param: "); DBG(endparam); DBG("\n");
// X handleAssoc; //X
ret = DRW_Entity::parseDwgEntHandle(version, buf);
if (!ret)
return ret;
// RS crc; //RS */
return buf->isGood();
}
void DRW_Ellipse::toPolyline(DRW_Polyline *pol){
double radMajor, radMinor, cosRot, sinRot, incAngle, curAngle;
double cosCurr, sinCurr;
radMajor = sqrt(secPoint.x*secPoint.x + secPoint.y*secPoint.y);
radMinor = radMajor*ratio;
incAngle = atan2(secPoint.y, secPoint.x);
cosRot = cos(incAngle);
sinRot = sin(incAngle);
incAngle = M_PI/64;
curAngle = staparam;
int i = curAngle/incAngle;
do {
if (curAngle > endparam) {
curAngle = endparam;
i = 130;
}
cosCurr = cos(curAngle);
sinCurr = sin(curAngle);
double x = basePoint.x + (cosCurr*cosRot*radMajor) - (sinCurr*sinRot*radMinor);
double y = basePoint.y + (cosCurr*sinRot*radMajor) + (sinCurr*cosRot*radMinor);
pol->addVertex( DRW_Vertex(x, y, 0.0, 0.0));
curAngle = (++i)*incAngle;
} while (i<128);
if ( fabs(endparam - 6.28318530718) < 1.0e-10){
pol->flags = 1;
}
pol->layer = this->layer;
pol->lineType = this->lineType;
pol->color = this->color;
pol->lWeight = this->lWeight;
}
void DRW_Trace::applyExtrusion(){
if (haveExtrusion) {
calculateAxis(extPoint);
extrudePoint(extPoint, &basePoint);
extrudePoint(extPoint, &secPoint);
extrudePoint(extPoint, &thirdPoint);
extrudePoint(extPoint, &fourPoint);
}
}
void DRW_Trace::parseCode(int code, dxfReader *reader){
switch (code) {
case 12:
thirdPoint.x = reader->getDouble();
break;
case 22:
thirdPoint.y = reader->getDouble();
break;
case 32:
thirdPoint.z = reader->getDouble();
break;
case 13:
fourPoint.x = reader->getDouble();
break;
case 23:
fourPoint.y = reader->getDouble();
break;
case 33:
fourPoint.z = reader->getDouble();
break;
default:
DRW_Line::parseCode(code, reader);
break;
}
}
void DRW_Solid::parseCode(int code, dxfReader *reader){
DRW_Trace::parseCode(code, reader);
}
void DRW_3Dface::parseCode(int code, dxfReader *reader){
switch (code) {
case 70:
invisibleflag = reader->getInt32();
break;
default:
DRW_Trace::parseCode(code, reader);
break;
}
}
void DRW_Block::parseCode(int code, dxfReader *reader){
switch (code) {
case 2:
name = reader->getUtf8String();
break;
case 70:
flags = reader->getInt32();
break;
default:
DRW_Point::parseCode(code, reader);
break;
}
}
bool DRW_Block::parseDwg(DRW::Version version, dwgBuffer *buf){
bool ret = DRW_Entity::parseDwg(version, buf);
if (!ret)
return ret;
if (!isEnd){
DBG("\n***************************** parsing block *********************************************\n");
if (version > DRW::AC1018) {//2007+
name = buf->getVariableText();
} else {//2004-
name = buf->getVariableUtf8Text();
}
DBG("Block name: "); DBG(name.c_str()); DBG("\n");
} else
DBG("\n***************************** parsing end block *********************************************\n");
// X handleAssoc; //X
ret = DRW_Entity::parseDwgEntHandle(version, buf);
if (!ret)
return ret;
// RS crc; //RS */
return buf->isGood();
}
void DRW_Insert::parseCode(int code, dxfReader *reader){
switch (code) {
case 2:
name = reader->getUtf8String();
break;
case 41:
xscale = reader->getDouble();
break;
case 42:
yscale = reader->getDouble();
break;
case 43:
zscale = reader->getDouble();
break;
case 50:
angle = reader->getDouble();
break;
case 70:
colcount = reader->getInt32();
break;
case 71:
rowcount = reader->getInt32();
break;
case 44:
colspace = reader->getDouble();
break;
case 45:
rowspace = reader->getDouble();
break;
default:
DRW_Point::parseCode(code, reader);
break;
}
}
void DRW_LWPolyline::applyExtrusion(){
if (haveExtrusion) {
calculateAxis(extPoint);
for (unsigned int i=0; i<vertlist.size(); i++) {
DRW_Vertex2D *vert = vertlist.at(i);
DRW_Coord v(vert->x, vert->y, elevation);
extrudePoint(extPoint, &v);
vert->x = v.x;
vert->y = v.y;
}
}
}
void DRW_LWPolyline::parseCode(int code, dxfReader *reader){
switch (code) {
case 10: {
vertex = new DRW_Vertex2D();
vertlist.push_back(vertex);
vertex->x = reader->getDouble();
break; }
case 20:
if(vertex != NULL)
vertex->y = reader->getDouble();
break;
case 40:
if(vertex != NULL)
vertex->stawidth = reader->getDouble();
break;
case 41:
if(vertex != NULL)
vertex->endwidth = reader->getDouble();
break;
case 42:
if(vertex != NULL)
vertex->bulge = reader->getDouble();
break;
case 38:
elevation = reader->getDouble();
break;
case 43:
width = reader->getDouble();
break;
case 70:
flags = reader->getInt32();
break;
case 90:
vertexnum = reader->getInt32();
vertlist.reserve(vertexnum);
break;
case 210:
haveExtrusion = true;
extPoint.x = reader->getDouble();
break;
case 220:
extPoint.y = reader->getDouble();
break;
case 230:
extPoint.z = reader->getDouble();
break;
default:
DRW_Entity::parseCode(code, reader);
break;
}
}
void DRW_Text::parseCode(int code, dxfReader *reader){
switch (code) {
case 40:
height = reader->getDouble();
break;
case 41:
widthscale = reader->getDouble();
break;
case 50:
angle = reader->getDouble();
break;
case 51:
oblique = reader->getDouble();
break;
case 71:
textgen = reader->getInt32();
break;
case 72:
alignH = (HAlign)reader->getInt32();
break;
case 73:
alignV = (VAlign)reader->getInt32();
break;
case 1:
text = reader->getUtf8String();
break;
case 7:
style = reader->getUtf8String();
break;
default:
DRW_Line::parseCode(code, reader);
break;
}
}
bool DRW_Text::parseDwg(DRW::Version version, dwgBuffer *buf){
bool ret = DRW_Entity::parseDwg(version, buf);
if (!ret)
return ret;
DBG("\n***************************** parsing text *********************************************\n");
if (version < DRW::AC1015) {//14-
basePoint.z = buf->getBitDouble(); /* Elevation BD --- */
basePoint.x = buf->getRawDouble(); /* Insertion pt 2RD 10 */
basePoint.y = buf->getRawDouble();
secPoint.x = buf->getRawDouble(); /* Alignment pt 2RD 11 */
secPoint.y = buf->getRawDouble();
extPoint.x = buf->getBitDouble(); /* Extrusion 3BD 210 */
extPoint.y = buf->getBitDouble();
extPoint.z = buf->getBitDouble();
thickness = buf->getBitDouble(); /* Thickness BD 39 */
oblique = buf->getBitDouble(); /* Oblique ang BD 51 */
angle = buf->getBitDouble(); /* Rotation ang BD 50 */
height = buf->getBitDouble(); /* Height BD 40 */
widthscale = buf->getBitDouble(); /* Width factor BD 41 */
text = buf->getVariableUtf8Text(); /* Text value TV 1 */
textgen = buf->getBitShort(); /* Generation BS 71 */
alignH = (HAlign)buf->getBitShort(); /* Horiz align. BS 72 */
alignV = (VAlign)buf->getBitShort(); /* Vert align. BS 73 */
}
if (version > DRW::AC1014) {//2000+
duint8 data_flags = buf->getRawChar8(); /* DataFlags RC Used to determine presence of subsquent data */
if ( data_flags & 0x01 )
{ /* Elevation RD --- present if !(DataFlags & 0x01) */
basePoint.z = buf->getRawDouble();
}
basePoint.x = buf->getRawDouble(); /* Insertion pt 2RD 10 */
basePoint.y = buf->getRawDouble();
if ( data_flags & 0x02 )
{ /* Alignment pt 2DD 11 present if !(DataFlags & 0x02), use 10 & 20 values for 2 default values.*/
extPoint.x = buf->getDefaultDouble(basePoint.x);
extPoint.y = buf->getDefaultDouble(basePoint.y);
}
else
{
extPoint = basePoint;
}
buf->getExtrusion(&extPoint); /* Extrusion BE 210 */
thickness = buf->getThickness(true); /* Thickness BT 39 */
if ( data_flags & 0x04 )
{ /* Oblique ang RD 51 present if !(DataFlags & 0x04) */
oblique = buf->getRawDouble();
}
if ( data_flags & 0x08 )
{ /* Rotation ang RD 50 present if !(DataFlags & 0x08) */
angle = buf->getRawDouble();
}
height = buf->getRawDouble(); /* Height RD 40 */
if ( data_flags & 0x10 )
{ /* Width factor RD 41 present if !(DataFlags & 0x10) */
widthscale = buf->getRawDouble();
}
text = buf->getVariableUtf8Text(); /* Text value TV 1 */
if ( data_flags & 0x20 )
{ /* Generation BS 71 present if !(DataFlags & 0x20) */
textgen = buf->getBitShort();
}
if ( data_flags & 0x40 )
{ /* Horiz align. BS 72 present if !(DataFlags & 0x40) */
alignH = (HAlign)buf->getBitShort();
}
if ( data_flags & 0x80 )
{ /* Vert align. BS 73 present if !(DataFlags & 0x80) */
alignV = (VAlign)buf->getBitShort();
}
}
/* Common Entity Handle Data */
ret = DRW_Entity::parseDwgEntHandle(version, buf);
if (!ret)
return ret;
styleH = buf->getHandle(); /* H 7 STYLE (hard pointer) */
/* CRC X --- */
return buf->isGood();
}
void DRW_MText::parseCode(int code, dxfReader *reader){
switch (code) {
case 1:
text += reader->getString();
text = reader->toUtf8String(text);
break;
case 11:
haveXAxis = true;
DRW_Text::parseCode(code, reader);
break;
case 3:
text += reader->getString();
break;
case 44:
interlin = reader->getDouble();
break;
default:
DRW_Text::parseCode(code, reader);
break;
}
}
void DRW_MText::updateAngle(){
if (haveXAxis) {
angle = atan2(secPoint.y, secPoint.x)*180/M_PI;
}
}
void DRW_Polyline::parseCode(int code, dxfReader *reader){
switch (code) {
case 70:
flags = reader->getInt32();
break;
case 40:
defstawidth = reader->getDouble();
break;
case 41:
defendwidth = reader->getDouble();
break;
case 71:
vertexcount = reader->getInt32();
break;
case 72:
facecount = reader->getInt32();
break;
case 73:
smoothM = reader->getInt32();
break;
case 74:
smoothN = reader->getInt32();
break;
case 75:
curvetype = reader->getInt32();
break;
default:
DRW_Point::parseCode(code, reader);
break;
}
}
void DRW_Vertex::parseCode(int code, dxfReader *reader){
switch (code) {
case 70:
flags = reader->getInt32();
break;
case 40:
stawidth = reader->getDouble();
break;
case 41:
endwidth = reader->getDouble();
break;
case 42:
bulge = reader->getDouble();
break;
case 50:
tgdir = reader->getDouble();
break;
case 71:
vindex1 = reader->getInt32();
break;
case 72:
vindex2 = reader->getInt32();
break;
case 73:
vindex3 = reader->getInt32();
break;
case 74:
vindex4 = reader->getInt32();
break;
case 91:
identifier = reader->getInt32();
break;
default:
DRW_Point::parseCode(code, reader);
break;
}