diff options
Diffstat (limited to 'src/ui/tools/pen-tool.cpp')
| -rw-r--r-- | src/ui/tools/pen-tool.cpp | 145 |
1 files changed, 49 insertions, 96 deletions
diff --git a/src/ui/tools/pen-tool.cpp b/src/ui/tools/pen-tool.cpp index 16cdf63b5..a42a3a07a 100644 --- a/src/ui/tools/pen-tool.cpp +++ b/src/ui/tools/pen-tool.cpp @@ -423,7 +423,7 @@ bool PenTool::_handleButtonPress(GdkEventButton const &bevent) { // This is allowed, if we just canceled curve case PenTool::POINT: if (this->npoints == 0) { - this->_bsplineSpiroColor(); + this->setPolylineMode(); Geom::Point p; if ((bevent.state & GDK_CONTROL_MASK) && (this->polylines_only || this->polylines_paraxial)) { p = event_dt; @@ -444,7 +444,13 @@ bool PenTool::_handleButtonPress(GdkEventButton const &bevent) { // Set start anchor this->sa = anchor; - if(anchor){ + if (anchor) { + //Put the start overwrite curve always on the same direction + if (anchor->start) { + this->sa_overwrited = this->sa->curve->create_reverse(); + } else { + this->sa_overwrited = this->sa->curve->copy(); + } this->_bsplineSpiroStartAnchor(bevent.state & GDK_SHIFT_MASK); } if (anchor && (!this->hasWaitingLPE()|| this->bspline || this->spiro)) { @@ -473,7 +479,6 @@ bool PenTool::_handleButtonPress(GdkEventButton const &bevent) { } this->_setInitialPoint(p); } else { - // Set end anchor this->ea = anchor; Geom::Point p; @@ -497,6 +502,7 @@ bool PenTool::_handleButtonPress(GdkEventButton const &bevent) { this->_setSubsequentPoint(p, true); } } + this->_bsplineSpiroColor(); // avoid the creation of a control point so a node is created in the release event this->state = (this->spiro || this->bspline || this->polylines_only) ? PenTool::POINT : PenTool::CONTROL; ret = true; @@ -734,26 +740,9 @@ bool PenTool::_handleButtonRelease(GdkEventButton const &revent) { case PenTool::MODE_CLICK: switch (this->state) { case PenTool::POINT: - if ( this->npoints == 0 ) { - // Start new thread only with button release - this->_bsplineSpiroColor(); - if (anchor) { - p = anchor->dp; - } - this->sa = anchor; - // continue the existing curve - if (anchor) { - if(this->bspline || this->spiro){ - this->_bsplineSpiroStartAnchor(revent.state & GDK_SHIFT_MASK);; - } - } - this->_setInitialPoint(p); - } else { - // Set end anchor here - this->ea = anchor; - if (anchor) { - p = anchor->dp; - } + this->ea = anchor; + if (anchor) { + p = anchor->dp; } this->state = PenTool::CONTROL; break; @@ -1264,6 +1253,8 @@ void PenTool::_resetColors() { } this->sa = NULL; this->ea = NULL; + this->sa_overwrited->reset(); + this->npoints = 0; this->red_curve_is_valid = false; } @@ -1415,11 +1406,7 @@ void PenTool::_bsplineSpiroStartAnchor(bool shift) this->spiro = false; } if(!this->spiro && !this->bspline){ - SPCurve *tmp_curve = this->sa->curve->copy(); - if (this->sa->start) { - tmp_curve = tmp_curve ->create_reverse(); - } - this->overwrite_curve = tmp_curve ; + _bsplineSpiroColor(); return; } if(shift){ @@ -1433,14 +1420,10 @@ void PenTool::_bsplineSpiroStartAnchorOn() { using Geom::X; using Geom::Y; - SPCurve *tmp_curve = this->sa->curve->copy(); - if (this->sa->start) { - tmp_curve = tmp_curve ->create_reverse(); - } - Geom::CubicBezier const * cubic = dynamic_cast<Geom::CubicBezier const*>(&*tmp_curve ->last_segment()); + Geom::CubicBezier const * cubic = dynamic_cast<Geom::CubicBezier const*>(&*this->sa_overwrited ->last_segment()); SPCurve *last_segment = new SPCurve(); - Geom::Point point_a = tmp_curve->last_segment()->initialPoint(); - Geom::Point point_d = *tmp_curve->last_point(); + Geom::Point point_a = this->sa_overwrited->last_segment()->initialPoint(); + Geom::Point point_d = *this->sa_overwrited->last_point(); Geom::Point point_c = point_d + (1./3)*(point_a - point_d); point_c = Geom::Point(point_c[X] + HANDLE_CUBIC_GAP, point_c[Y] + HANDLE_CUBIC_GAP); if(cubic){ @@ -1450,43 +1433,34 @@ void PenTool::_bsplineSpiroStartAnchorOn() last_segment->moveto(point_a); last_segment->curveto(point_a,point_c,point_d); } - if( tmp_curve ->get_segment_count() == 1){ - tmp_curve = last_segment; + if( this->sa_overwrited->get_segment_count() == 1){ + this->sa_overwrited = last_segment->copy(); }else{ //we eliminate the last segment - tmp_curve ->backspace(); + this->sa_overwrited->backspace(); //and we add it again with the recreation - tmp_curve ->append_continuous(last_segment, 0.0625); + this->sa_overwrited->append_continuous(last_segment, 0.0625); } - if (this->sa->start) { - tmp_curve = tmp_curve ->create_reverse(); - } - this->overwrite_curve = tmp_curve ; + last_segment->unref(); } void PenTool::_bsplineSpiroStartAnchorOff() { - SPCurve *tmp_curve = this->sa->curve->copy(); - if(this->sa->start) - tmp_curve = tmp_curve ->create_reverse(); - Geom::CubicBezier const * cubic = dynamic_cast<Geom::CubicBezier const*>(&*tmp_curve ->last_segment()); + Geom::CubicBezier const * cubic = dynamic_cast<Geom::CubicBezier const*>(&*this->sa_overwrited->last_segment()); if(cubic){ SPCurve *last_segment = new SPCurve(); last_segment->moveto((*cubic)[0]); last_segment->curveto((*cubic)[1],(*cubic)[3],(*cubic)[3]); - if( tmp_curve ->get_segment_count() == 1){ - tmp_curve = last_segment; + if( this->sa_overwrited->get_segment_count() == 1){ + this->sa_overwrited = last_segment->copy(); }else{ //we eliminate the last segment - tmp_curve ->backspace(); + this->sa_overwrited->backspace(); //and we add it again with the recreation - tmp_curve ->append_continuous(last_segment, 0.0625); + this->sa_overwrited->append_continuous(last_segment, 0.0625); } + last_segment->unref(); } - if (this->sa->start) { - tmp_curve = tmp_curve ->create_reverse(); - } - this->overwrite_curve = tmp_curve; } void PenTool::_bsplineSpiroMotion(guint const state){ @@ -1503,17 +1477,14 @@ void PenTool::_bsplineSpiroMotion(guint const state){ this->p[2] = Geom::Point(this->p[2][X] + HANDLE_CUBIC_GAP,this->p[2][Y] + HANDLE_CUBIC_GAP); if (this->green_curve->is_unset() && !this->sa) { this->p[1] = this->p[0] + (1./3)*(this->p[3] - this->p[0]); - this->p[1] = Geom::Point(this->p[1][X] + HANDLE_CUBIC_GAP,this->p[1][Y] + HANDLE_CUBIC_GAP); + this->p[1] = Geom::Point(this->p[1][X] + HANDLE_CUBIC_GAP, this->p[1][Y] + HANDLE_CUBIC_GAP); if(shift){ this->p[2] = this->p[3]; } } else if (!this->green_curve->is_unset()){ tmp_curve = this->green_curve->copy(); } else { - tmp_curve = this->overwrite_curve->copy(); - if(this->sa->start) { - tmp_curve = tmp_curve ->create_reverse(); - } + tmp_curve = this->sa_overwrited->copy(); } if ((state & GDK_MOD1_MASK ) && previous != Geom::Point(0,0)) { //ALT drag this->p[0] = this->p[0] + (this->p[3] - previous); @@ -1550,11 +1521,7 @@ void PenTool::_bsplineSpiroMotion(guint const state){ } cubic = dynamic_cast<Geom::CubicBezier const*>(&*tmp_curve ->last_segment()); if (this->sa && this->green_curve->is_unset()) { - if(this->sa->start) { - this->overwrite_curve = tmp_curve->copy()->create_reverse(); - } else { - this->overwrite_curve = tmp_curve->copy(); - } + this->sa_overwrited = tmp_curve->copy(); } if (!this->green_bpaths.empty()) { this->green_curve = tmp_curve->copy(); @@ -1588,6 +1555,9 @@ void PenTool::_bsplineSpiroMotion(guint const state){ if (shift) { this->p[2] = this->p[3]; } + if(Geom::are_near((*cubic)[3], (*cubic)[2])) { + this->p[1] = this->p[0]; + } } else { this->p[1] = (*cubic)[3] + ((*cubic)[3] - (*cubic)[2] ); } @@ -1627,19 +1597,13 @@ void PenTool::_bsplineSpiroEndAnchorOn() SPCurve *tmp_curve; SPCurve *last_segment = new SPCurve(); Geom::Point point_c(0,0); - bool reverse = false; if( this->green_anchor && this->green_anchor->active ){ tmp_curve = this->green_curve->create_reverse(); if(this->green_curve->get_segment_count()==0){ return; } - reverse = true; } else if(this->sa){ - tmp_curve = this->overwrite_curve->copy(); - if(!this->sa->start){ - tmp_curve = tmp_curve ->create_reverse(); - reverse = true; - } + tmp_curve = this->sa_overwrited->copy()->create_reverse(); }else{ return; } @@ -1665,17 +1629,16 @@ void PenTool::_bsplineSpiroEndAnchorOn() //and we add it again with the recreation tmp_curve ->append_continuous(last_segment, 0.0625); } - if (reverse) { - tmp_curve = tmp_curve ->create_reverse(); - } + tmp_curve = tmp_curve ->create_reverse(); if( this->green_anchor && this->green_anchor->active ) { this->green_curve->reset(); - this->green_curve = tmp_curve ; + this->green_curve = tmp_curve->copy(); }else{ - this->overwrite_curve->reset(); - this->overwrite_curve = tmp_curve ; + this->sa_overwrited->reset(); + this->sa_overwrited = tmp_curve->copy(); } + tmp_curve->unref(); } void PenTool::_bsplineSpiroEndAnchorOff() @@ -1683,20 +1646,14 @@ void PenTool::_bsplineSpiroEndAnchorOff() SPCurve *tmp_curve; SPCurve *last_segment = new SPCurve(); - bool reverse = false; this->p[2] = this->p[3]; if( this->green_anchor && this->green_anchor->active ){ tmp_curve = this->green_curve->create_reverse(); if(this->green_curve->get_segment_count()==0){ return; } - reverse = true; } else if(this->sa){ - tmp_curve = this->overwrite_curve->copy(); - if(!this->sa->start){ - tmp_curve = tmp_curve ->create_reverse(); - reverse = true; - } + tmp_curve = this->sa_overwrited->copy()->create_reverse(); }else{ return; } @@ -1716,17 +1673,17 @@ void PenTool::_bsplineSpiroEndAnchorOff() //and we add it again with the recreation tmp_curve ->append_continuous(last_segment, 0.0625); } - if (reverse) { - tmp_curve = tmp_curve ->create_reverse(); - } + tmp_curve = tmp_curve ->create_reverse(); + if( this->green_anchor && this->green_anchor->active ) { this->green_curve->reset(); - this->green_curve = tmp_curve ; + this->green_curve = tmp_curve->copy(); }else{ - this->overwrite_curve->reset(); - this->overwrite_curve = tmp_curve ; + this->sa_overwrited->reset(); + this->sa_overwrited = tmp_curve->copy(); } + tmp_curve->unref(); } //prepares the curves for its transformation into BSpline curve. @@ -1740,10 +1697,7 @@ void PenTool::_bsplineSpiroBuild() SPCurve *curve = new SPCurve(); //If we continuate the existing curve we add it at the start if(this->sa && !this->sa->curve->is_unset()){ - curve = this->overwrite_curve->copy(); - if (this->sa->start) { - curve = curve->create_reverse(); - } + curve = this->sa_overwrited->copy(); } if (!this->green_curve->is_unset()){ @@ -2038,7 +1992,6 @@ void PenTool::_finish(gboolean const closed) { // cancelate line without a created segment this->red_curve->reset(); spdc_concat_colors_and_flush(this, closed); - this->overwrite_curve = NULL; this->sa = NULL; this->ea = NULL; |
