QPolygonF caGraphics::getHead( QPointF p1, QPointF p2 ) {
qreal Pi = 3.14;
QPolygonF arrowHead;
QLineF m_line = QLineF( p1, p2 );
double angle = ::acos( m_line.dx() / m_line.length() );
if ( m_line.dy() >= 0 ) angle = ( Pi * 2 ) - angle;
QPointF arrowP1 = m_line.p1() + QPointF( sin( angle + Pi / 3 ) * getArrowSize(),
cos( angle + Pi / 3 ) * getArrowSize() );
QPointF arrowP2 = m_line.p1() + QPointF( sin( angle + Pi - Pi / 3 ) * getArrowSize(),
cos( angle + Pi - Pi / 3 ) * getArrowSize() );
arrowHead.clear();
arrowHead << m_line.p1() << arrowP1 << arrowP2 << m_line.p1();
return arrowHead;
}
/**
* Creates a dimensioning line (line with one, two or no arrows and a text).
*
* @param forceAutoText Automatically reposition the text label.
*/
void RS_Dimension::updateCreateDimensionLine(const RS_Vector& p1,
const RS_Vector& p2, bool arrow1, bool arrow2, bool forceAutoText) {
// general scale (DIMSCALE)
double dimscale = getGeneralScale();
// text height (DIMTXT)
double dimtxt = getTextHeight()*dimscale;
// text distance to line (DIMGAP)
double dimgap = getDimensionLineGap()*dimscale;
// length of dimension line:
double distance = p1.distanceTo(p2);
// arrow size:
double arrowSize = getArrowSize()*dimscale;
// do we have to put the arrows outside of the line?
bool outsideArrows = (distance<arrowSize*2.5);
// arrow angles:
double arrowAngle1, arrowAngle2;
// Create dimension line:
RS_Line* dimensionLine = new RS_Line(this, RS_LineData(p1, p2));
dimensionLine->setPen(RS_Pen(RS2::FlagInvalid));
dimensionLine->setLayer(NULL);
addEntity(dimensionLine);
if (outsideArrows==false) {
arrowAngle1 = dimensionLine->getAngle2();
arrowAngle2 = dimensionLine->getAngle1();
} else {
arrowAngle1 = dimensionLine->getAngle1();
arrowAngle2 = dimensionLine->getAngle2();
// extend dimension line outside arrows
RS_Vector dir;
dir.setPolar(arrowSize*2, arrowAngle2);
dimensionLine->setStartpoint(p1 + dir);
dimensionLine->setEndpoint(p2 - dir);
}
double dimtsz=getTickSize()*dimscale;
if(dimtsz < 0.01) {
//display arrow
// Arrows:
RS_SolidData sd;
RS_Solid* arrow;
if (arrow1) {
// arrow 1
arrow = new RS_Solid(this, sd);
arrow->shapeArrow(p1,
arrowAngle1,
arrowSize);
arrow->setPen(RS_Pen(RS2::FlagInvalid));
arrow->setLayer(NULL);
addEntity(arrow);
}
if (arrow2) {
// arrow 2:
arrow = new RS_Solid(this, sd);
arrow->shapeArrow(p2,
arrowAngle2,
arrowSize);
arrow->setPen(RS_Pen(RS2::FlagInvalid));
arrow->setLayer(NULL);
addEntity(arrow);
}
}else{
//display ticks
// Arrows:
RS_Line* tick;
RS_Vector tickVector;
tickVector.setPolar(dimtsz,arrowAngle1 + M_PI*0.25); //tick is 45 degree away
if (arrow1) {
// tick 1
tick = new RS_Line(this, p1-tickVector, p1+tickVector);
tick->setPen(RS_Pen(RS2::FlagInvalid));
tick->setLayer(NULL);
addEntity(tick);
}
if (arrow2) {
// tick 2:
tick = new RS_Line(this, p2-tickVector, p2+tickVector);
tick->setPen(RS_Pen(RS2::FlagInvalid));
tick->setLayer(NULL);
addEntity(tick);
}
}
// Text label:
RS_MTextData textData;
RS_Vector textPos;
double dimAngle1 = dimensionLine->getAngle1();
double textAngle;
bool corrected=false;
if (getAlignText())
textAngle =0.0;
else
textAngle = RS_Math::makeAngleReadable(dimAngle1, true, &corrected);
if (data.middleOfText.valid && !forceAutoText) {
textPos = data.middleOfText;
} else {
textPos = dimensionLine->getMiddlePoint();
if (!getAlignText()) {
RS_Vector distV;
// rotate text so it's readable from the bottom or right (ISO)
// quadrant 1 & 4
if (corrected) {
distV.setPolar(dimgap + dimtxt/2.0, dimAngle1-M_PI/2.0);
} else {
distV.setPolar(dimgap + dimtxt/2.0, dimAngle1+M_PI/2.0);
}
// move text away from dimension line:
textPos+=distV;
}
//// the next update should still be able to adjust this
//// auto text position. leave it invalid
data.middleOfText = textPos;
}
textData = RS_MTextData(textPos,
dimtxt, 30.0,
RS_MTextData::VAMiddle,
RS_MTextData::HACenter,
RS_MTextData::LeftToRight,
RS_MTextData::Exact,
1.0,
getLabel(),
"standard",
textAngle);
RS_MText* text = new RS_MText(this, textData);
// move text to the side:
RS_Vector distH;
if (text->getUsedTextWidth()>distance) {
distH.setPolar(text->getUsedTextWidth()/2.0
+distance/2.0+dimgap, textAngle);
text->move(distH);
}
text->setPen(RS_Pen(RS2::FlagInvalid));
text->setLayer(NULL);
//horizontal text, split dimensionLine
if (getAlignText()) {
double w =text->getUsedTextWidth()/2+dimgap;
double h = text->getUsedTextHeight()/2+dimgap;
RS_Vector v1 = textPos - RS_Vector(w, h);
RS_Vector v2 = textPos + RS_Vector(w, h);
RS_Line l[] = {
RS_Line(NULL, RS_LineData(v1, RS_Vector(v2.x, v1.y))),
RS_Line(NULL, RS_LineData(RS_Vector(v2.x, v1.y), v2)),
RS_Line(NULL, RS_LineData(v2, RS_Vector(v1.x, v2.y))),
RS_Line(NULL, RS_LineData(RS_Vector(v1.x, v2.y), v1))
};
RS_VectorSolutions sol1, sol2;
int inters= 0;
do {
sol1 = RS_Information::getIntersection(dimensionLine, &(l[inters++]), true);
} while (!sol1.hasValid() && inters < 4);
if (!sol1.hasValid()) {
do {
sol2 = RS_Information::getIntersection(dimensionLine, &(l[inters++]), true);
} while (!sol2.hasValid() && inters < 4);
}
//are text intersecting dimensionLine?
if (sol1.hasValid() && sol2.hasValid()) {
//yes, split dimension line
RS_Line* dimensionLine2 = (RS_Line*)dimensionLine->clone();
v1 = sol1.get(0);
v2 = sol2.get(0);
if (p1.distanceTo(v1) < p1.distanceTo(v2)) {
dimensionLine->setEndpoint(v1);
dimensionLine2->setStartpoint(v2);
} else {
dimensionLine->setEndpoint(v2);
dimensionLine2->setStartpoint(v1);
}
addEntity(dimensionLine2);
}
}
addEntity(text);
}
/**
* Updates the sub entities of this dimension. Called when the
* dimension or the position, alignment, .. changes.
*
* @param autoText Automatically reposition the text label
*/
void RS_DimAngular::update(bool /*autoText*/) {
RS_DEBUG->print("RS_DimAngular::update");
clear();
if (isUndone()) {
return;
}
// distance from entities (DIMEXO)
double dimexo = getExtensionLineOffset();
// extension line extension (DIMEXE)
double dimexe = getExtensionLineExtension();
// text height (DIMTXT)
double dimtxt = getTextHeight();
// text distance to line (DIMGAP)
double dimgap = getDimensionLineGap();
// find out center:
RS_Vector center = getCenter();
if (!center.valid) {
return;
}
double ang1 = 0.0;
double ang2 = 0.0;
bool reversed = false;
RS_Vector p1;
RS_Vector p2;
getAngles(ang1, ang2, reversed, p1, p2);
double rad = edata.definitionPoint4.distanceTo(center);
RS_Line* line;
RS_Vector dir;
double len;
double dist;
// 1st extension line:
dist = center.distanceTo(p1);
len = rad - dist + dimexe;
dir.setPolar(1.0, ang1);
line = new RS_Line(this,
RS_LineData(center + dir*dist + dir*dimexo,
center + dir*dist + dir*len));
line->setPen(RS_Pen(RS2::FlagInvalid));
line->setLayer(NULL);
addEntity(line);
// 2nd extension line:
dist = center.distanceTo(p2);
len = rad - dist + dimexe;
dir.setPolar(1.0, ang2);
line = new RS_Line(this,
RS_LineData(center + dir*dist + dir*dimexo,
center + dir*dist + dir*len));
line->setPen(RS_Pen(RS2::FlagInvalid));
line->setLayer(NULL);
addEntity(line);
// Create dimension line (arc):
RS_Arc* arc = new RS_Arc(this,
RS_ArcData(center,
rad, ang1, ang2, reversed));
arc->setPen(RS_Pen(RS2::FlagInvalid));
arc->setLayer(NULL);
addEntity(arc);
// length of dimension arc:
double distance = arc->getLength();
// do we have to put the arrows outside of the arc?
bool outsideArrows = (distance<getArrowSize()*2);
// arrow angles:
double arrowAngle1, arrowAngle2;
double arrowAng;
if (rad>1.0e-6) {
arrowAng = getArrowSize() / rad;
}
else {
arrowAng = 0.0;
}
RS_Vector v1, v2;
if (!arc->isReversed()) {
v1.setPolar(rad, arc->getAngle1()+arrowAng);
} else {
v1.setPolar(rad, arc->getAngle1()-arrowAng);
}
v1+=arc->getCenter();
arrowAngle1 = arc->getStartpoint().angleTo(v1);
if (!arc->isReversed()) {
v2.setPolar(rad, arc->getAngle2()-arrowAng);
} else {
v2.setPolar(rad, arc->getAngle2()+arrowAng);
}
v2+=arc->getCenter();
arrowAngle2 = arc->getEndpoint().angleTo(v2);
if (!outsideArrows) {
arrowAngle1 = arrowAngle1+M_PI;
arrowAngle2 = arrowAngle2+M_PI;
}
// Arrows:
RS_SolidData sd;
RS_Solid* arrow;
// arrow 1
arrow = new RS_Solid(this, sd);
arrow->shapeArrow(arc->getStartpoint(),
arrowAngle1,
getArrowSize());
arrow->setPen(RS_Pen(RS2::FlagInvalid));
arrow->setLayer(NULL);
addEntity(arrow);
// arrow 2:
arrow = new RS_Solid(this, sd);
arrow->shapeArrow(arc->getEndpoint(),
arrowAngle2,
getArrowSize());
arrow->setPen(RS_Pen(RS2::FlagInvalid));
arrow->setLayer(NULL);
addEntity(arrow);
// text label:
RS_TextData textData;
RS_Vector textPos = arc->getMiddlePoint();
RS_Vector distV;
double textAngle;
double dimAngle1 = textPos.angleTo(arc->getCenter())-M_PI/2.0;
// rotate text so it's readable from the bottom or right (ISO)
// quadrant 1 & 4
if (dimAngle1>M_PI/2.0*3.0+0.001 ||
dimAngle1<M_PI/2.0+0.001) {
distV.setPolar(dimgap, dimAngle1+M_PI/2.0);
textAngle = dimAngle1;
}
// quadrant 2 & 3
else {
distV.setPolar(dimgap, dimAngle1-M_PI/2.0);
textAngle = dimAngle1+M_PI;
}
// move text away from dimension line:
textPos+=distV;
textData = RS_TextData(textPos,
dimtxt, 30.0,
RS2::VAlignBottom,
RS2::HAlignCenter,
RS2::LeftToRight,
RS2::Exact,
1.0,
getLabel(),
"standard",
textAngle);
RS_Text* text = new RS_Text(this, textData);
// move text to the side:
text->setPen(RS_Pen(RS2::FlagInvalid));
text->setLayer(NULL);
addEntity(text);
calculateBorders();
}
/**
* Updates the sub entities of this dimension. Called when the
* dimension or the position, alignment, .. changes.
*
* @param autoText Automatically reposition the text label
*/
void RS_DimRadial::updateDim(bool autoText) {
RS_DEBUG->print("RS_DimRadial::update");
clear();
if (isUndone()) {
return;
}
// dimension line:
//updateCreateDimensionLine(data.definitionPoint, edata.definitionPoint,
//false, true);
// general scale (DIMSCALE)
double dimscale = getGeneralScale();
RS_Vector p1 = data.definitionPoint;
RS_Vector p2 = edata.definitionPoint;
double angle = p1.angleTo(p2);
// text height (DIMTXT)
double dimtxt = getTextHeight()*dimscale;
// text distance to line (DIMGAP)
double dimgap = getDimensionLineGap()*dimscale;
// arrow size:
double arrowSize = getArrowSize()*dimscale;
// length of dimension line:
double length = p1.distanceTo(p2);
RS_Pen pen(getDimensionLineColor(),
getDimensionLineWidth(),
RS2::LineByBlock);
RS_MTextData textData;
textData = RS_MTextData(RS_Vector(0.0,0.0),
dimtxt, 30.0,
RS_MTextData::VAMiddle,
RS_MTextData::HACenter,
RS_MTextData::LeftToRight,
RS_MTextData::Exact,
1.0,
getLabel(),
getTextStyle(),
// "standard",
0.0);
RS_MText* text = new RS_MText(this, textData);
double textWidth = text->getSize().x;
// do we have to put the arrow / text outside of the arc?
bool outsideArrow = (length<arrowSize*2+textWidth);
double arrowAngle;
if (outsideArrow) {
length += arrowSize*2 + textWidth;
arrowAngle = angle+M_PI;
} else {
arrowAngle = angle;
}
// create arrow:
RS_SolidData sd;
RS_Solid* arrow;
arrow = new RS_Solid(this, sd);
arrow->shapeArrow(p2,
arrowAngle,
arrowSize);
// arrow->setPen(RS_Pen(RS2::FlagInvalid));
arrow->setPen(pen);
arrow->setLayer(NULL);
addEntity(arrow);
RS_Vector p3;
p3.setPolar(length, angle);
p3 += p1;
// Create dimension line:
RS_Line* dimensionLine = new RS_Line(this, RS_LineData(p1, p3));
dimensionLine->setPen(pen);
// dimensionLine->setPen(RS_Pen(RS2::FlagInvalid));
dimensionLine->setLayer(NULL);
addEntity(dimensionLine);
RS_Vector distV;
double textAngle;
// rotate text so it's readable from the bottom or right (ISO)
// quadrant 1 & 4
if (angle>M_PI_2*3.0+0.001 ||
angle<M_PI_2+0.001) {
distV.setPolar(dimgap + dimtxt/2.0, angle+M_PI_2);
textAngle = angle;
}
// quadrant 2 & 3
else {
distV.setPolar(dimgap + dimtxt/2.0, angle-M_PI_2);
textAngle = angle+M_PI;
}
// move text label:
RS_Vector textPos;
if (data.middleOfText.valid && !autoText) {
textPos = data.middleOfText;
} else {
if (outsideArrow) {
textPos.setPolar(length-textWidth/2.0-arrowSize, angle);
} else {
textPos.setPolar(length/2.0, angle);
}
textPos+=p1;
// move text away from dimension line:
textPos += distV;
data.middleOfText = textPos;
}
text->rotate(RS_Vector(0.0,0.0), textAngle);
text->move(textPos);
text->setPen(RS_Pen(getTextColor(), RS2::WidthByBlock, RS2::SolidLine));
// text->setPen(RS_Pen(RS2::FlagInvalid));
text->setLayer(NULL);
addEntity(text);
calculateBorders();
}
/**
* Creates a dimensioning line (line with one, two or no arrows and a text).
*
* @param forceAutoText Automatically reposition the text label.
*/
void RS_Dimension::updateCreateDimensionLine(const RS_Vector& p1,
const RS_Vector& p2, bool arrow1, bool arrow2, bool forceAutoText) {
// general scale (DIMSCALE)
double dimscale = getGeneralScale();
// text height (DIMTXT)
double dimtxt = getTextHeight()*dimscale;
// text distance to line (DIMGAP)
double dimgap = getDimensionLineGap()*dimscale;
// length of dimension line:
double distance = p1.distanceTo(p2);
// arrow size:
double arrowSize = getArrowSize()*dimscale;
// do we have to put the arrows outside of the line?
bool outsideArrows = (distance<arrowSize*2.5);
// arrow angles:
double arrowAngle1, arrowAngle2;
RS_Pen pen(getDimensionLineColor(),
getDimensionLineWidth(),
RS2::LineByBlock);
// Create dimension line:
RS_Line* dimensionLine = new RS_Line{this, p1, p2};
dimensionLine->setPen(pen);
// dimensionLine->setPen(RS_Pen(RS2::FlagInvalid));
dimensionLine->setLayer(nullptr);
addEntity(dimensionLine);
if (outsideArrows==false) {
arrowAngle1 = dimensionLine->getAngle2();
arrowAngle2 = dimensionLine->getAngle1();
} else {
arrowAngle1 = dimensionLine->getAngle1();
arrowAngle2 = dimensionLine->getAngle2();
// extend dimension line outside arrows
RS_Vector dir = RS_Vector::polar(arrowSize*2, arrowAngle2);
dimensionLine->setStartpoint(p1 + dir);
dimensionLine->setEndpoint(p2 - dir);
}
double dimtsz=getTickSize()*dimscale;
if(dimtsz < 0.01) {
//display arrow
// Arrows:
RS_SolidData sd;
RS_Solid* arrow;
if (arrow1) {
// arrow 1
arrow = new RS_Solid(this, sd);
arrow->shapeArrow(p1,
arrowAngle1,
arrowSize);
// arrow->setPen(RS_Pen(RS2::FlagInvalid));
arrow->setPen(pen);
arrow->setLayer(nullptr);
addEntity(arrow);
}
if (arrow2) {
// arrow 2:
arrow = new RS_Solid(this, sd);
arrow->shapeArrow(p2,
arrowAngle2,
arrowSize);
// arrow->setPen(RS_Pen(RS2::FlagInvalid));
arrow->setPen(pen);
arrow->setLayer(nullptr);
addEntity(arrow);
}
}else{
//display ticks
// Arrows:
RS_Line* tick;
RS_Vector tickVector = RS_Vector::polar(dimtsz,arrowAngle1 + M_PI*0.25); //tick is 45 degree away
if (arrow1) {
// tick 1
tick = new RS_Line(this, p1-tickVector, p1+tickVector);
tick->setPen(pen);
// tick->setPen(RS_Pen(RS2::FlagInvalid));
tick->setLayer(nullptr);
addEntity(tick);
}
if (arrow2) {
// tick 2:
tick = new RS_Line(this, p2-tickVector, p2+tickVector);
tick->setPen(pen);
// tick->setPen(RS_Pen(RS2::FlagInvalid));
tick->setLayer(nullptr);
addEntity(tick);
}
}
// Text label:
RS_MTextData textData;
RS_Vector textPos;
double dimAngle1 = dimensionLine->getAngle1();
double textAngle;
bool corrected=false;
if (getAlignText())
textAngle =0.0;
else
textAngle = RS_Math::makeAngleReadable(dimAngle1, true, &corrected);
if (data.middleOfText.valid && !forceAutoText) {
textPos = data.middleOfText;
} else {
textPos = dimensionLine->getMiddlePoint();
if (!getAlignText()) {
// rotate text so it's readable from the bottom or right (ISO)
// quadrant 1 & 4
double const a = corrected?-M_PI_2:M_PI_2;
RS_Vector distV = RS_Vector::polar(dimgap + dimtxt/2.0, dimAngle1+a);
// move text away from dimension line:
textPos+=distV;
}
//// the next update should still be able to adjust this
//// auto text position. leave it invalid
data.middleOfText = textPos;
}
textData = RS_MTextData(textPos,
dimtxt, 30.0,
RS_MTextData::VAMiddle,
RS_MTextData::HACenter,
RS_MTextData::LeftToRight,
RS_MTextData::Exact,
1.0,
getLabel(),
getTextStyle(),
// "standard",
textAngle);
RS_MText* text = new RS_MText(this, textData);
// move text to the side:
RS_Vector distH;
if (text->getUsedTextWidth()>distance) {
distH.setPolar(text->getUsedTextWidth()/2.0
+distance/2.0+dimgap, textAngle);
text->move(distH);
}
text->setPen(RS_Pen(getTextColor(), RS2::WidthByBlock, RS2::SolidLine));
// text->setPen(RS_Pen(RS2::FlagInvalid));
text->setLayer(nullptr);
//horizontal text, split dimensionLine
if (getAlignText()) {
double w =text->getUsedTextWidth()/2+dimgap;
double h = text->getUsedTextHeight()/2+dimgap;
RS_Vector v1 = textPos - RS_Vector{w, h};
RS_Vector v2 = textPos + RS_Vector{w, h};
RS_EntityContainer c;
c.addRectangle(v1, v2);
RS_VectorSolutions sol1;
for(RS_Entity* e: c) {
sol1.push_back(
RS_Information::getIntersection(dimensionLine, e, true)
);
}
//are text intersecting dimensionLine?
if (sol1.size()>1) {
//yes, split dimension line
RS_Line* dimensionLine2 =
static_cast<RS_Line*>(dimensionLine->clone());
v1 = sol1.get(0);
v2 = sol1.get(1);
if (p1.distanceTo(v1) < p1.distanceTo(v2)) {
dimensionLine->setEndpoint(v1);
dimensionLine2->setStartpoint(v2);
} else {
dimensionLine->setEndpoint(v2);
dimensionLine2->setStartpoint(v1);
}
addEntity(dimensionLine2);
}
}
addEntity(text);
}