bool RS_ActionPolylineEquidistant::makeContour() {
if (container==NULL) {
RS_DEBUG->print("RS_ActionPolylineEquidistant::makeContour: no valid container",
RS_Debug::D_WARNING);
return false;
}
RS_Vector offset(false);
QList<RS_Entity*> addList;
if (document!=NULL) {
document->startUndoCycle();
}
double neg = 1.0;
if(bRightSide)
neg = -1.0;
// Create new entites
RS_Line line1(NULL, RS_LineData(RS_Vector(true), RS_Vector(true)));
RS_Line line2(NULL, RS_LineData(RS_Vector(true), RS_Vector(true)));
for (int num=1;
num<=number || (number==0 && num<=1);
num++) {
RS_Polyline* newPolyline = new RS_Polyline(container);
newPolyline->setClosed(((RS_Polyline*)originalEntity)->isClosed());
// newPolyline->setSelected((RS_Polyline*)originalEntity)->isSelected());
newPolyline->setLayer(((RS_Polyline*)originalEntity)->getLayer());
newPolyline->setPen(((RS_Polyline*)originalEntity)->getPen());
bool first = true;
RS_Entity* lastEntity = ((RS_Polyline*)originalEntity)->lastEntity();
for (RS_Entity* en=((RS_Polyline*)originalEntity)->firstEntity(); en!=NULL; en=((RS_Polyline*)originalEntity)->nextEntity()) {
double bulge = 0.0;
if (en->rtti()==RS2::EntityArc) {
double r0 = ((RS_Arc*)en)->getRadius();
double r = r0 - dist*neg;
if(r < 0)
break;
((RS_Arc*)en)->setRadius(r);
bulge = ((RS_Arc*)en)->getBulge();
((RS_Arc*)en)->setRadius(r0);
} else {
bulge = 0.0;
}
RS_Vector v1 = ((RS_AtomicEntity*)en)->getStartpoint();
RS_Vector v2 = ((RS_AtomicEntity*)en)->getEndpoint();
offset.set(dist * cos(v1.angleTo(v2)+M_PI*0.5*neg), dist * sin(v1.angleTo(v2)+M_PI*0.5*neg));
v1.move(offset*num);
v2.move(offset*num);
if (first) {
line1.setStartpoint(v1);
line1.setEndpoint(v2);
if(newPolyline->isClosed()){
RS_Vector v01 = ((RS_AtomicEntity*)lastEntity)->getStartpoint();
RS_Vector v02 = ((RS_AtomicEntity*)en)->getStartpoint();
offset.set(dist * cos(v01.angleTo(v02)+M_PI*0.5*neg), dist * sin(v01.angleTo(v02)+M_PI*0.5*neg));
v01.move(offset*num);
v02.move(offset*num);
line2.setStartpoint(v01);
line2.setEndpoint(v02);
RS_VectorSolutions vsol = RS_Information::getIntersection(&line1, &line2, false);
v1 = vsol.get(0);
}
newPolyline->setStartpoint(v1);
newPolyline->addVertex(v1, bulge);
first = false;
}else{
line2.setStartpoint(v1);
line2.setEndpoint(v2);
RS_VectorSolutions vsol = RS_Information::getIntersection(&line1, &line2, false);
RS_Vector v = vsol.get(0);
newPolyline->addVertex(v, bulge);
newPolyline->setEndpoint(v);
line1.setStartpoint(v1);
line1.setEndpoint(v2);
if (en==lastEntity/* && newPolyline->isClosed()==false*/){
newPolyline->addVertex(v2, bulge);
}
}
}
double bulge = lastEntity->rtti() == RS2::EntityArc? ((RS_Arc*)lastEntity)->getBulge():0.0;
// newPolyline->setNextBulge(bulge);
newPolyline->endPolyline();
container->addEntity(newPolyline);
document->addUndoable(newPolyline);
}
if (document!=NULL) {
document->endUndoCycle();
}
if (graphicView!=NULL) {
graphicView->redraw();
}
return true;
}
/**
* Loads the font into memory.
*
* @retval true font was already loaded or is loaded now.
* @retval false font could not be loaded.
*/
bool RS_Font::loadFont() {
RS_DEBUG->print("RS_Font::loadFont");
if (loaded) {
return true;
}
QString path;
// Search for the appropriate font if we have only the name of the font:
if (!fileName.toLower().contains(".cxf") &&
!fileName.toLower().contains(".lff")) {
QStringList fonts = RS_SYSTEM->getNewFontList();
#if QT_VERSION < 0x040500
emu_qt45_QList_append(fonts, RS_SYSTEM->getFontList());
#else
fonts.append(RS_SYSTEM->getFontList());
#endif
QFileInfo file;
for (QStringList::Iterator it = fonts.begin();
it!=fonts.end();
it++) {
if (QFileInfo(*it).baseName().toLower()==fileName.toLower()) {
path = *it;
break;
}
}
}
// We have the full path of the font:
else {
path = fileName;
}
// No font paths found:
if (path.isEmpty()) {
RS_DEBUG->print(RS_Debug::D_WARNING,
"RS_Font::loadFont: No fonts available.");
return false;
}
// Open cxf file:
QFile f(path);
if (!f.open(QIODevice::ReadOnly)) {
RS_DEBUG->print(RS_Debug::D_WARNING,
"RS_Font::loadFont: Cannot open font file: %s",
path.toLatin1().data());
return false;
} else {
RS_DEBUG->print("RS_Font::loadFont: "
"Successfully opened font file: %s",
path.toLatin1().data());
}
f.close();
if (path.contains(".cxf"))
readCXF(path);
if (path.contains(".lff"))
readLFF(path);
RS_Block* bk = letterList.find(QChar(0xfffd));
if (!bk) {
// create new letter:
RS_FontChar* letter = new RS_FontChar(nullptr, QChar(0xfffd), RS_Vector(0.0, 0.0));
RS_Polyline* pline = new RS_Polyline(letter, RS_PolylineData());
pline->setPen(RS_Pen(RS2::FlagInvalid));
pline->setLayer(nullptr);
pline->addVertex(RS_Vector(1, 0), 0);
pline->addVertex(RS_Vector(0, 2), 0);
pline->addVertex(RS_Vector(1, 4), 0);
pline->addVertex(RS_Vector(2, 2), 0);
pline->addVertex(RS_Vector(1, 0), 0);
letter->addEntity(pline);
letter->calculateBorders();
letterList.add(letter);
}
loaded = true;
RS_DEBUG->print("RS_Font::loadFont OK");
return true;
}
bool RS_ActionPolylineEquidistant::makeContour() {
if (container==NULL) {
RS_DEBUG->print("RS_ActionPolylineEquidistant::makeContour: no valid container",
RS_Debug::D_WARNING);
return false;
}
RS_Polyline* originalPolyline = (RS_Polyline*)originalEntity;
//create a list of entities to offset without length = 0
QList<RS_Entity*> entities;
for (RS_Entity* en=originalPolyline->firstEntity(); en!=NULL; en=originalPolyline->nextEntity()) {
if (en->getLength() > 1.0e-12)
entities.append(en);
}
if (entities.isEmpty()) {
return false;
}
if (document!=NULL) {
document->startUndoCycle();
}
double neg = 1.0;
if(bRightSide)
neg = -1.0;
// Create new helper entities
RS_Line line1(NULL, RS_LineData(RS_Vector(true), RS_Vector(true)));//current line
RS_Line lineFirst(NULL, RS_LineData(RS_Vector(true), RS_Vector(true)));//previous line
RS_Arc arc1(NULL, RS_ArcData(RS_Vector(true), 0,0,0,false));//current arc
RS_Arc arcFirst(NULL, RS_ArcData(RS_Vector(true), 0,0,0,false));//previous arc
for (int num=1; num<=number || (number==0 && num<=1); num++) {
RS_Polyline* newPolyline = new RS_Polyline(container);
newPolyline->setLayer(((RS_Polyline*)originalEntity)->getLayer());
newPolyline->setPen(((RS_Polyline*)originalEntity)->getPen());
bool first = true;
bool closed = originalPolyline->isClosed();
double bulge = 0.0;
RS_Entity* en;
RS_Entity* prevEntity = entities.last();
RS_Entity* currEntity;
for (int i = 0; i < entities.size(); ++i) {
en = entities.at(i);
RS_Vector v(false);
if (en->rtti()==RS2::EntityArc) {
currEntity = &arc1;
calculateOffset(currEntity, en, dist*num*neg);
bulge = arc1.getBulge();
} else {
currEntity = &line1;
bulge = 0.0;
calculateOffset(currEntity, en, dist*num*neg);
}
if (first) {
if (closed) {
if (prevEntity->rtti()==RS2::EntityArc) {
prevEntity = calculateOffset(&arcFirst, prevEntity, dist*num*neg);
} else {
prevEntity = calculateOffset(&lineFirst, prevEntity, dist*num*neg);
}
v = calculateIntersection(prevEntity, currEntity);
}
if (!v.valid) {
v = currEntity->getStartpoint();
closed = false;
} else if (currEntity->rtti()==RS2::EntityArc) {
//update bulge
arc1.setAngle1(arc1.getCenter().angleTo(v));
arc1.calculateEndpoints();
bulge = arc1.getBulge();
}
first = false;
if (!prevEntity) break; //prevent crash if not exist offset for prevEntity
} else {
v = calculateIntersection(prevEntity, currEntity);
if (!v.valid) {
v= prevEntity->getEndpoint();
double dess = currEntity->getStartpoint().distanceTo(prevEntity->getEndpoint());
if (dess > 1.0e-12) {
newPolyline->addVertex(v, bulge);
prevEntity = NULL;
break;
}
}
double startAngle = prevEntity->getStartpoint().angleTo(prevEntity->getEndpoint());
if (prevEntity->rtti()==RS2::EntityArc) {
arcFirst.setAngle2(arcFirst.getCenter().angleTo(v));
arcFirst.calculateEndpoints();
newPolyline->setNextBulge(arcFirst.getBulge());
}
//check if the entity are reverted
if (abs (prevEntity->getStartpoint().angleTo(prevEntity->getEndpoint())- startAngle) > 0.785) {
prevEntity = newPolyline->lastEntity();
RS_Vector v0 = calculateIntersection(prevEntity, currEntity);
if (prevEntity->rtti()==RS2::EntityArc) {
((RS_Arc*)prevEntity)->setAngle2(arcFirst.getCenter().angleTo(v0));
((RS_Arc*)prevEntity)->calculateEndpoints();
newPolyline->setNextBulge( ((RS_Arc*)prevEntity)->getBulge() );
} else {
((RS_Line*)prevEntity)->setEndpoint(v0);
newPolyline->setNextBulge( 0.0 );
}
newPolyline->setEndpoint(v0);
}
if (currEntity->rtti()==RS2::EntityArc) {
arc1.setAngle1(arc1.getCenter().angleTo(v));
arc1.calculateEndpoints();
bulge = arc1.getBulge();
} else
bulge = 0.0;
}
if (prevEntity) {
newPolyline->addVertex(v, bulge, false);
if (currEntity->rtti()==RS2::EntityArc) {
arcFirst.setData(arc1.getData());
arcFirst.calculateEndpoints();
prevEntity = &arcFirst;
} else {
lineFirst.setStartpoint(line1.getStartpoint());
lineFirst.setEndpoint(line1.getEndpoint());
prevEntity = &lineFirst;
}
}
}
//properly terminated, check closed
if (prevEntity) {
if (closed) {
if (currEntity->rtti()==RS2::EntityArc) {
arc1.setAngle2(arc1.getCenter().angleTo(newPolyline->getStartpoint()));
arc1.calculateEndpoints();
newPolyline->setNextBulge(arc1.getBulge());
bulge = arc1.getBulge();
}
newPolyline->setClosed(true, bulge);
} else {
newPolyline->addVertex(currEntity->getEndpoint(), bulge);
}
}
if (!newPolyline->isEmpty()) {
container->addEntity(newPolyline);
document->addUndoable(newPolyline);
}
}
if (document!=NULL) {
document->endUndoCycle();
}
if (graphicView!=NULL) {
graphicView->redraw();
}
return true;
}
RS_Block* RS_Font::generateLffFont(const QString& ch){
if(rawLffFontList.contains(ch) == false ){
RS_DEBUG->print("RS_Font::generateLffFont(QChar %s ) : can not find the letter in given lff font file",qPrintable(ch));
return nullptr;
}
// create new letter:
RS_FontChar* letter =
new RS_FontChar(nullptr, ch, RS_Vector(0.0, 0.0));
// Read entities of this letter:
QStringList vertex;
QStringList coords;
QStringList fontData=rawLffFontList[ch];
QString line;
while(fontData.isEmpty() == false) {
line = fontData.takeFirst();
if (line.isEmpty()) {
continue;
}
// Defined char:
if (line.at(0)=='C') {
line.remove(0,1);
int uCode = line.toInt(nullptr, 16);
QChar ch = QChar(uCode);
RS_Block* bk = letterList.find(ch);
if (!bk && rawLffFontList.contains(ch)) {
generateLffFont(ch);
bk = letterList.find(ch);
}
if (bk) {
RS_Entity* bk2 = bk->clone();
bk2->setPen(RS_Pen(RS2::FlagInvalid));
bk2->setLayer(nullptr);
letter->addEntity(bk2);
}
}
//sequence:
else {
vertex = line.split(';', QString::SkipEmptyParts);
//at least is required two vertex
if (vertex.size()<2)
continue;
RS_Polyline* pline = new RS_Polyline(letter, RS_PolylineData());
pline->setPen(RS_Pen(RS2::FlagInvalid));
pline->setLayer(nullptr);
for (int i = 0; i < vertex.size(); ++i) {
double x1, y1;
double bulge = 0;
coords = vertex.at(i).split(',', QString::SkipEmptyParts);
//at least X,Y is required
if (coords.size()<2)
continue;
x1 = coords.at(0).toDouble();
y1 = coords.at(1).toDouble();
//check presence of bulge
if (coords.size() == 3 && coords.at(2).at(0) == QChar('A')){
QString bulgeStr = coords.at(2);
bulge = bulgeStr.remove(0,1).toDouble();
}
pline->setNextBulge(bulge);
pline->addVertex(RS_Vector(x1, y1), bulge);
}
letter->addEntity(pline);
}
}
if (letter->isEmpty()) {
delete letter;
return nullptr;
} else {
letter->calculateBorders();
letterList.add(letter);
return letter;
}
}
void RS_Font::readLFF(QString path) {
QString line;
QFile f(path);
encoding = "UTF-8";
f.open(QIODevice::ReadOnly);
QTextStream ts(&f);
// Read line by line until we find a new letter:
while (!ts.atEnd()) {
line = ts.readLine();
if (line.isEmpty())
continue;
// Read font settings:
if (line.at(0)=='#') {
QStringList lst =line.remove(0,1).split(':', QString::SkipEmptyParts);
//if size is < 2 is a comentary not parameter
if (lst.size()<2)
continue;
QString identifier = lst.at(0).trimmed();
QString value = lst.at(1).trimmed();
if (identifier.toLower()=="letterspacing") {
letterSpacing = value.toDouble();
} else if (identifier.toLower()=="wordspacing") {
wordSpacing = value.toDouble();
} else if (identifier.toLower()=="linespacingfactor") {
lineSpacingFactor = value.toDouble();
} else if (identifier.toLower()=="author") {
authors.append(value);
} else if (identifier.toLower()=="name") {
names.append(value);
} else if (identifier.toLower()=="license") {
fileLicense = value;
} else if (identifier.toLower()=="encoding") {
ts.setCodec(QTextCodec::codecForName(value.toLatin1()));
encoding = value;
}
}
// Add another letter to this font:
else if (line.at(0)=='[') {
// uniode character:
QChar ch;
// read unicode:
QRegExp regexp("[0-9A-Fa-f]{4,4}");
regexp.indexIn(line);
QString cap = regexp.cap();
if (!cap.isNull()) {
int uCode = cap.toInt(NULL, 16);
ch = QChar(uCode);
}
// only unicode allowed
else {
continue;
}
// create new letter:
RS_FontChar* letter =
new RS_FontChar(NULL, ch, RS_Vector(0.0, 0.0));
// Read entities of this letter:
QStringList vertex;
QStringList coords;
do {
line = ts.readLine();
if (line.isEmpty()) {
continue;
}
// Defined char:
if (line.at(0)=='C') {
line.remove(0,1);
int uCode = line.toInt(NULL, 16);
QChar ch = QChar(uCode);
RS_Block* bk = letterList.find(ch);
if (bk != NULL) {
RS_Entity* bk2 = bk->clone();
bk2->setPen(RS_Pen(RS2::FlagInvalid));
bk2->setLayer(NULL);
letter->addEntity(bk2);
}
}
//sequence:
else {
vertex = line.split(';', QString::SkipEmptyParts);
//at least is required two vertex
if (vertex.size()<2)
continue;
RS_Polyline* pline = new RS_Polyline(letter, RS_PolylineData());
pline->setPen(RS_Pen(RS2::FlagInvalid));
pline->setLayer(NULL);
for (int i = 0; i < vertex.size(); ++i) {
double x1, y1;
double bulge = 0;
coords = vertex.at(i).split(',', QString::SkipEmptyParts);
//at least X,Y is required
if (coords.size()<2)
continue;
x1 = coords.at(0).toDouble();
y1 = coords.at(1).toDouble();
//check presence of bulge
if (coords.size() == 3 && coords.at(2).at(0) == QChar('A')){
QString bulgeStr = coords.at(2);
bulge = bulgeStr.remove(0,1).toDouble();
pline->setNextBulge(bulge);
}
pline->addVertex(RS_Vector(x1, y1), bulge);
}
letter->addEntity(pline);
}
} while (!line.isEmpty());
letter->calculateBorders();
letterList.add(letter);
}
}
f.close();
}