void RS_Arc::draw(RS_Painter* painter, RS_GraphicView* view,
double /*patternOffset*/) {
if (painter==NULL || view==NULL) {
return;
}
//double styleFactor = getStyleFactor();
// simple style-less lines
if (getPen().getLineType()==RS2::SolidLine ||
isSelected() ||
view->getDrawingMode()==RS2::ModePreview) {
painter->drawArc(view->toGui(getCenter()),
getRadius() * view->getFactor().x,
getAngle1(), getAngle2(),
isReversed());
} else {
double styleFactor = getStyleFactor(view);
if (styleFactor<0.0) {
painter->drawArc(view->toGui(getCenter()),
getRadius() * view->getFactor().x,
getAngle1(), getAngle2(),
isReversed());
return;
}
// Pattern:
RS_LineTypePattern* pat;
if (isSelected()) {
pat = &patternSelected;
} else {
pat = view->getPattern(getPen().getLineType());
}
if (pat==NULL) {
return;
}
if (getRadius()<1.0e-6) {
return;
}
// Pen to draw pattern is always solid:
RS_Pen pen = painter->getPen();
pen.setLineType(RS2::SolidLine);
painter->setPen(pen);
double a1;
double a2;
if (data.reversed) {
a2 = getAngle1();
a1 = getAngle2();
} else {
a1 = getAngle1();
a2 = getAngle2();
}
double* da; // array of distances in x.
int i; // index counter
double length = getAngleLength();
// create scaled pattern:
da = new double[pat->num];
for (i=0; i<pat->num; ++i) {
da[i] = fabs(pat->pattern[i] * styleFactor) / getRadius();
}
double tot=0.0;
i=0;
bool done = false;
double curA = a1;
//double cx = getCenter().x * factor.x + offsetX;
//double cy = - a->getCenter().y * factor.y + getHeight() - offsetY;
RS_Vector cp = view->toGui(getCenter());
double r = getRadius() * view->getFactor().x;
do {
if (pat->pattern[i] > 0.0) {
if (tot+da[i]<length) {
painter->drawArc(cp, r,
curA,
curA + da[i],
false);
} else {
painter->drawArc(cp, r,
curA,
a2,
false);
}
}
curA+=da[i];
tot+=da[i];
done=tot>length;
i++;
if (i>=pat->num) {
i=0;
}
} while(!done);
delete[] da;
}
}
void RS_Ellipse::draw(RS_Painter* painter, RS_GraphicView* view, double patternOffset) {
if (painter==NULL || view==NULL) {
return;
}
if (getPen().getLineType()==RS2::SolidLine ||
isSelected() ||
view->getDrawingMode()==RS2::ModePreview) {
painter->drawEllipse(view->toGui(getCenter()),
getMajorRadius() * view->getFactor().x,
getMinorRadius() * view->getFactor().x,
getAngle(),
getAngle1(), getAngle2(),
isReversed());
} else {
double styleFactor = getStyleFactor(view);
if (styleFactor<0.0) {
painter->drawEllipse(view->toGui(getCenter()),
getMajorRadius() * view->getFactor().x,
getMinorRadius() * view->getFactor().x,
getAngle(),
getAngle1(), getAngle2(),
isReversed());
return;
}
// Pattern:
RS_LineTypePattern* pat;
if (isSelected()) {
pat = &patternSelected;
} else {
pat = view->getPattern(getPen().getLineType());
}
if (pat==NULL) {
return;
}
// Pen to draw pattern is always solid:
RS_Pen pen = painter->getPen();
pen.setLineType(RS2::SolidLine);
painter->setPen(pen);
double* da; // array of distances in x.
int i; // index counter
double length = getAngleLength();
// create pattern:
da = new double[pat->num];
double tot=0.0;
i=0;
bool done = false;
double curA = getAngle1();
double curR;
RS_Vector cp = view->toGui(getCenter());
double r1 = getMajorRadius() * view->getFactor().x;
double r2 = getMinorRadius() * view->getFactor().x;
do {
curR = sqrt(RS_Math::pow(getMinorRadius()*cos(curA), 2.0)
+ RS_Math::pow(getMajorRadius()*sin(curA), 2.0));
if (curR>1.0e-6) {
da[i] = fabs(pat->pattern[i] * styleFactor) / curR;
if (pat->pattern[i] * styleFactor > 0.0) {
if (tot+fabs(da[i])<length) {
painter->drawEllipse(cp,
r1, r2,
getAngle(),
curA,
curA + da[i],
false);
} else {
painter->drawEllipse(cp,
r1, r2,
getAngle(),
curA,
getAngle2(),
false);
}
}
}
curA+=da[i];
tot+=fabs(da[i]);
done=tot>length;
i++;
if (i>=pat->num) {
i=0;
}
} while(!done);
delete[] da;
}
}
void RS_Line::draw(RS_Painter* painter, RS_GraphicView* view, double patternOffset)
{
if (painter==NULL || view==NULL)
{
return;
}
if (getPen().getLineType()==RS2::SolidLine ||
isSelected() ||
view->getDrawingMode()==RS2::ModePreview)
{
painter->drawLine(view->toGui(getStartpoint()),
view->toGui(getEndpoint()));
}
else
{
double styleFactor = getStyleFactor(view);
if (styleFactor<0.0)
{
painter->drawLine(view->toGui(getStartpoint()),
view->toGui(getEndpoint()));
return;
}
// Pattern:
RS_LineTypePattern* pat;
if (isSelected())
{
pat = &patternSelected;
}
else
{
pat = view->getPattern(getPen().getLineType());
}
if (pat==NULL)
{
RS_DEBUG->print(RS_Debug::D_WARNING,
"RS_Line::draw: Invalid line pattern");
return;
}
// Pen to draw pattern is always solid:
RS_Pen pen = painter->getPen();
pen.setLineType(RS2::SolidLine);
painter->setPen(pen);
// index counter
int i;
// line data:
double length = getLength();
double angle = getAngle1();
// pattern segment length:
double patternSegmentLength = 0.0;
// create pattern:
RS_Vector* dp = new RS_Vector[pat->num];
for (i=0; i<pat->num; ++i)
{
dp[i] = RS_Vector(cos(angle) * fabs(pat->pattern[i] * styleFactor),
sin(angle) * fabs(pat->pattern[i] * styleFactor));
patternSegmentLength += fabs(pat->pattern[i] * styleFactor);
}
// handle pattern offset:
int m;
if (patternOffset<0.0)
{
m = (int)ceil(patternOffset / patternSegmentLength);
}
else
{
m = (int)floor(patternOffset / patternSegmentLength);
}
patternOffset -= (m*patternSegmentLength);
//if (patternOffset<0.0) {
// patternOffset+=patternSegmentLength;
//}
//RS_DEBUG->print("pattern. offset: %f", patternOffset);
RS_Vector patternOffsetVec;
patternOffsetVec.setPolar(patternOffset, angle);
double tot=patternOffset;
i=0;
bool done = false;
bool cutStartpoint, cutEndpoint, drop;
RS_Vector curP=getStartpoint()+patternOffsetVec;
do
{
cutStartpoint = false;
cutEndpoint = false;
drop = false;
// line segment (otherwise space segment)
if (pat->pattern[i]>0.0)
{
// drop the whole pattern segment line:
if (tot+pat->pattern[i]*styleFactor < 0.0)
{
drop = true;
}
else
{
// trim startpoint of pattern segment line to line startpoint
if (tot < 0.0)
{
cutStartpoint = true;
}
// trim endpoint of pattern segment line to line endpoint
if (tot+pat->pattern[i]*styleFactor > length)
{
cutEndpoint = true;
}
}
if (drop)
{
// do nothing
}
else
{
RS_Vector p1 = curP;
RS_Vector p2 = curP + dp[i];
if (cutStartpoint)
{
p1 = getStartpoint();
}
if (cutEndpoint)
{
p2 = getEndpoint();
}
painter->drawLine(view->toGui(p1),
view->toGui(p2));
}
}
curP+=dp[i];
tot+=fabs(pat->pattern[i]*styleFactor);
//RS_DEBUG->print("pattern. tot: %f", tot);
done=tot>length;
i++;
if (i>=pat->num)
{
i=0;
}
}
while(!done);
delete[] dp;
}
}
