set eol-style:native for recently added files

(bzr r5783)

1 files changed, 170 insertions, 170 deletions

diff --git a/src/live_effects/lpe-tangent_to_curve.cpp b/src/live_effects/lpe-tangent_to_curve.cpp
index 6293ba233..80158e2f4 100644
--- a/src/live_effects/lpe-tangent_to_curve.cpp
+++ b/src/live_effects/lpe-tangent_to_curve.cpp
@@ -1,170 +1,170 @@
-#define INKSCAPE_LPE_TANGENT_TO_CURVE_CPP

-/** \file

- * Implementation of tangent-to-curve LPE.

- */

-

-/*

- * Authors:

- *   Johan Engelen

- *   Maximilian Albert

- *

- * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>

- * Copyright (C) Maximilian Albert 2008 <maximilian.albert@gmail.com>

- *

- * Released under GNU GPL, read the file 'COPYING' for more information

- */

-

-#include "live_effects/lpe-tangent_to_curve.h"

-// FIXME: The following are only needed to convert the path's SPCurve* to pwd2.

-//        There must be a more convenient way to achieve this.

-#include "sp-path.h"

-#include "display/curve.h"

-#include "libnr/n-art-bpath-2geom.h"

-

-#include <2geom/path.h>

-#include <2geom/transforms.h>

-

-namespace Inkscape {

-namespace LivePathEffect {

-

-/* FIXME: We should make these member functions of LPETangentToCurve.

-          Is there an easy way to register member functions with knotholder?

-    KNOWN BUG: Because of the above, this effect does not work well when in an LPE stack

-*/

-NR::Point attach_pt_get(SPItem *item) {

-    Inkscape::LivePathEffect::LPETangentToCurve *lpe =

-        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));

-

-    if (lpe)

-        return lpe->ptA;

-    else

-        return NR::Point(0,0);

-}

-

-void attach_pt_set(SPItem *item, NR::Point const &p, NR::Point const &origin, guint state) {

-    Inkscape::LivePathEffect::LPETangentToCurve *lpe =

-        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));

-

-    if (!lpe)

-        return;

-

-    using namespace Geom;

-

-    // FIXME: There must be a better way of converting the path's SPCurve* to pwd2.

-    SPCurve *curve = sp_path_get_curve_for_edit (SP_PATH(item));

-    const NArtBpath *bpath = curve->get_bpath();

-    Piecewise<D2<SBasis> > pwd2;

-    std::vector<Geom::Path> pathv = BPath_to_2GeomPath(bpath);

-    for (unsigned int i=0; i < pathv.size(); i++) {

-        pwd2.concat(pathv[i].toPwSb());

-    }

-

-    double t0 = nearest_point(p.to_2geom(), pwd2);

-    lpe->t_attach.param_set_value(t0);

-

-    // FIXME: this should not directly ask for updating the item. It should write to SVG, which triggers updating.

-    sp_lpe_item_update_patheffect (SP_LPE_ITEM(item), true, true);

-}

-

-NR::Point left_end_get(SPItem *item) {

-    Inkscape::LivePathEffect::LPETangentToCurve *lpe =

-        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));

-

-    if (lpe)

-        return lpe->C;

-    else

-        return NR::Point(0,0);

-}

-

-NR::Point right_end_get(SPItem *item) {

-    Inkscape::LivePathEffect::LPETangentToCurve *lpe =

-        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));

-

-    if (lpe)

-        return lpe->D;

-    else

-        return NR::Point(0,0);

-}

-

-void left_end_set(SPItem *item, NR::Point const &p, NR::Point const &origin, guint state) {

-    Inkscape::LivePathEffect::LPETangentToCurve *lpe =

-        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));

-

-    if (!lpe)

-        return;

-

-    double lambda = Geom::nearest_point(p.to_2geom(), lpe->ptA, lpe->derivA);

-    lpe->length_left.param_set_value(-lambda);

-

-    // FIXME: this should not directly ask for updating the item. It should write to SVG, which triggers updating.

-    sp_lpe_item_update_patheffect (SP_LPE_ITEM(item), true, true);

-}

-

-void right_end_set(SPItem *item, NR::Point const &p, NR::Point const &origin, guint state) {

-    Inkscape::LivePathEffect::LPETangentToCurve *lpe =

-        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));

-

-    if (!lpe)

-        return;

-

-    double lambda = Geom::nearest_point(p.to_2geom(), lpe->ptA, lpe->derivA);

-    lpe->length_right.param_set_value(lambda);

-

-    // FIXME: this should not directly ask for updating the item. It should write to SVG, which triggers updating.

-    sp_lpe_item_update_patheffect (SP_LPE_ITEM(item), true, true);

-}

-

-LPETangentToCurve::LPETangentToCurve(LivePathEffectObject *lpeobject) :

-    Effect(lpeobject),

-    t_attach(_("Location along curve"), _("Location of the point of attachment along the curve (between 0.0 and number-of-segments)"), "t_attach", &wr, this, 0.5),

-    length_left(_("Length left"), _("Specifies the left end of the tangent"), "length-left", &wr, this, 150),

-    length_right(_("Length right"), _("Specifies the right end of the tangent"), "length-right", &wr, this, 150),

-    angle(_("Angle"), _("Additional angle between tangent and curve"), "angle", &wr, this, 0.0)

-{

-    registerParameter( dynamic_cast<Parameter *>(&t_attach) );

-    registerParameter( dynamic_cast<Parameter *>(&length_left) );

-    registerParameter( dynamic_cast<Parameter *>(&length_right) );

-    registerParameter( dynamic_cast<Parameter *>(&angle) );

-    registerKnotHolderHandle(attach_pt_set, attach_pt_get);

-    registerKnotHolderHandle(left_end_set, left_end_get);

-    registerKnotHolderHandle(right_end_set, right_end_get);

-}

-

-LPETangentToCurve::~LPETangentToCurve()

-{

-}

-

-Geom::Piecewise<Geom::D2<Geom::SBasis> >

-LPETangentToCurve::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)

-{

-    using namespace Geom;

-    Piecewise<D2<SBasis> > output;

-

-    ptA = pwd2_in.valueAt(t_attach);

-    derivA = unit_vector(derivative(pwd2_in).valueAt(t_attach));

-

-    // TODO: Why are positive angles measured clockwise, not counterclockwise?

-    Geom::Rotate rot(Geom::Rotate::from_degrees(-angle));

-    derivA = derivA * rot;

-

-    C = ptA - derivA * length_left;

-    D = ptA + derivA * length_right;

-

-    output = Piecewise<D2<SBasis> >(D2<SBasis>(Linear(C[X], D[X]), Linear(C[Y], D[Y])));

-

-    return output;

-}

-

-} //namespace LivePathEffect

-} /* namespace Inkscape */

-

-/*

-  Local Variables:

-  mode:c++

-  c-file-style:"stroustrup"

-  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))

-  indent-tabs-mode:nil

-  fill-column:99

-  End:

-*/

-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :

+#define INKSCAPE_LPE_TANGENT_TO_CURVE_CPP
+/** \file
+ * Implementation of tangent-to-curve LPE.
+ */
+
+/*
+ * Authors:
+ *   Johan Engelen
+ *   Maximilian Albert
+ *
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ * Copyright (C) Maximilian Albert 2008 <maximilian.albert@gmail.com>
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "live_effects/lpe-tangent_to_curve.h"
+// FIXME: The following are only needed to convert the path's SPCurve* to pwd2.
+//        There must be a more convenient way to achieve this.
+#include "sp-path.h"
+#include "display/curve.h"
+#include "libnr/n-art-bpath-2geom.h"
+
+#include <2geom/path.h>
+#include <2geom/transforms.h>
+
+namespace Inkscape {
+namespace LivePathEffect {
+
+/* FIXME: We should make these member functions of LPETangentToCurve.
+          Is there an easy way to register member functions with knotholder?
+    KNOWN BUG: Because of the above, this effect does not work well when in an LPE stack
+*/
+NR::Point attach_pt_get(SPItem *item) {
+    Inkscape::LivePathEffect::LPETangentToCurve *lpe =
+        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));
+
+    if (lpe)
+        return lpe->ptA;
+    else
+        return NR::Point(0,0);
+}
+
+void attach_pt_set(SPItem *item, NR::Point const &p, NR::Point const &origin, guint state) {
+    Inkscape::LivePathEffect::LPETangentToCurve *lpe =
+        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));
+
+    if (!lpe)
+        return;
+
+    using namespace Geom;
+
+    // FIXME: There must be a better way of converting the path's SPCurve* to pwd2.
+    SPCurve *curve = sp_path_get_curve_for_edit (SP_PATH(item));
+    const NArtBpath *bpath = curve->get_bpath();
+    Piecewise<D2<SBasis> > pwd2;
+    std::vector<Geom::Path> pathv = BPath_to_2GeomPath(bpath);
+    for (unsigned int i=0; i < pathv.size(); i++) {
+        pwd2.concat(pathv[i].toPwSb());
+    }
+
+    double t0 = nearest_point(p.to_2geom(), pwd2);
+    lpe->t_attach.param_set_value(t0);
+
+    // FIXME: this should not directly ask for updating the item. It should write to SVG, which triggers updating.
+    sp_lpe_item_update_patheffect (SP_LPE_ITEM(item), true, true);
+}
+
+NR::Point left_end_get(SPItem *item) {
+    Inkscape::LivePathEffect::LPETangentToCurve *lpe =
+        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));
+
+    if (lpe)
+        return lpe->C;
+    else
+        return NR::Point(0,0);
+}
+
+NR::Point right_end_get(SPItem *item) {
+    Inkscape::LivePathEffect::LPETangentToCurve *lpe =
+        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));
+
+    if (lpe)
+        return lpe->D;
+    else
+        return NR::Point(0,0);
+}
+
+void left_end_set(SPItem *item, NR::Point const &p, NR::Point const &origin, guint state) {
+    Inkscape::LivePathEffect::LPETangentToCurve *lpe =
+        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));
+
+    if (!lpe)
+        return;
+
+    double lambda = Geom::nearest_point(p.to_2geom(), lpe->ptA, lpe->derivA);
+    lpe->length_left.param_set_value(-lambda);
+
+    // FIXME: this should not directly ask for updating the item. It should write to SVG, which triggers updating.
+    sp_lpe_item_update_patheffect (SP_LPE_ITEM(item), true, true);
+}
+
+void right_end_set(SPItem *item, NR::Point const &p, NR::Point const &origin, guint state) {
+    Inkscape::LivePathEffect::LPETangentToCurve *lpe =
+        dynamic_cast<Inkscape::LivePathEffect::LPETangentToCurve *> (sp_lpe_item_get_current_lpe(SP_LPE_ITEM(item)));
+
+    if (!lpe)
+        return;
+
+    double lambda = Geom::nearest_point(p.to_2geom(), lpe->ptA, lpe->derivA);
+    lpe->length_right.param_set_value(lambda);
+
+    // FIXME: this should not directly ask for updating the item. It should write to SVG, which triggers updating.
+    sp_lpe_item_update_patheffect (SP_LPE_ITEM(item), true, true);
+}
+
+LPETangentToCurve::LPETangentToCurve(LivePathEffectObject *lpeobject) :
+    Effect(lpeobject),
+    t_attach(_("Location along curve"), _("Location of the point of attachment along the curve (between 0.0 and number-of-segments)"), "t_attach", &wr, this, 0.5),
+    length_left(_("Length left"), _("Specifies the left end of the tangent"), "length-left", &wr, this, 150),
+    length_right(_("Length right"), _("Specifies the right end of the tangent"), "length-right", &wr, this, 150),
+    angle(_("Angle"), _("Additional angle between tangent and curve"), "angle", &wr, this, 0.0)
+{
+    registerParameter( dynamic_cast<Parameter *>(&t_attach) );
+    registerParameter( dynamic_cast<Parameter *>(&length_left) );
+    registerParameter( dynamic_cast<Parameter *>(&length_right) );
+    registerParameter( dynamic_cast<Parameter *>(&angle) );
+    registerKnotHolderHandle(attach_pt_set, attach_pt_get);
+    registerKnotHolderHandle(left_end_set, left_end_get);
+    registerKnotHolderHandle(right_end_set, right_end_get);
+}
+
+LPETangentToCurve::~LPETangentToCurve()
+{
+}
+
+Geom::Piecewise<Geom::D2<Geom::SBasis> >
+LPETangentToCurve::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
+{
+    using namespace Geom;
+    Piecewise<D2<SBasis> > output;
+
+    ptA = pwd2_in.valueAt(t_attach);
+    derivA = unit_vector(derivative(pwd2_in).valueAt(t_attach));
+
+    // TODO: Why are positive angles measured clockwise, not counterclockwise?
+    Geom::Rotate rot(Geom::Rotate::from_degrees(-angle));
+    derivA = derivA * rot;
+
+    C = ptA - derivA * length_left;
+    D = ptA + derivA * length_right;
+
+    output = Piecewise<D2<SBasis> >(D2<SBasis>(Linear(C[X], D[X]), Linear(C[Y], D[Y])));
+
+    return output;
+}
+
+} //namespace LivePathEffect
+} /* namespace Inkscape */
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :