Update to experimental r13527

(bzr r13341.5.15)

1 files changed, 94 insertions, 0 deletions

diff --git a/src/live_effects/lpe-interpolate_points.cpp b/src/live_effects/lpe-interpolate_points.cpp
new file mode 100644
index 000000000..865b46ca7
--- /dev/null
+++ b/src/live_effects/lpe-interpolate_points.cpp
@@ -0,0 +1,94 @@
+/** \file
+ * LPE interpolate_points implementation
+ *   Interpolates between knots of the input path.
+ */
+/*
+ * Authors:
+ *   Johan Engelen
+ *
+ * Copyright (C) Johan Engelen 2014 <j.b.c.engelen@alumnus.utwente.nl>
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "live_effects/lpe-interpolate_points.h"
+
+#include <2geom/path.h>
+
+#include "live_effects/lpe-powerstroke-interpolators.h"
+
+namespace Inkscape {
+namespace LivePathEffect {
+
+
+static const Util::EnumData<unsigned> InterpolatorTypeData[] = {
+    {Geom::Interpolate::INTERP_LINEAR          , N_("Linear"), "Linear"},
+    {Geom::Interpolate::INTERP_CUBICBEZIER          , N_("CubicBezierFit"), "CubicBezierFit"},
+    {Geom::Interpolate::INTERP_CUBICBEZIER_JOHAN     , N_("CubicBezierJohan"), "CubicBezierJohan"},
+    {Geom::Interpolate::INTERP_SPIRO  , N_("SpiroInterpolator"), "SpiroInterpolator"},
+    {Geom::Interpolate::INTERP_CENTRIPETAL_CATMULLROM, N_("Centripetal Catmull-Rom"), "CentripetalCatmullRom"}
+};
+static const Util::EnumDataConverter<unsigned> InterpolatorTypeConverter(InterpolatorTypeData, sizeof(InterpolatorTypeData)/sizeof(*InterpolatorTypeData));
+
+
+LPEInterpolatePoints::LPEInterpolatePoints(LivePathEffectObject *lpeobject)
+    : Effect(lpeobject)
+    , interpolator_type(
+          _("Interpolator type:"),
+          _("Determines which kind of interpolator will be used to interpolate between stroke width along the path"),
+          "interpolator_type", InterpolatorTypeConverter, &wr, this, Geom::Interpolate::INTERP_CENTRIPETAL_CATMULLROM)
+{
+    show_orig_path = false;
+
+    registerParameter( dynamic_cast<Parameter *>(&interpolator_type) );
+}
+
+LPEInterpolatePoints::~LPEInterpolatePoints()
+{
+}
+
+
+Geom::PathVector
+LPEInterpolatePoints::doEffect_path (Geom::PathVector const & path_in)
+{
+    Geom::PathVector path_out;
+
+    std::auto_ptr<Geom::Interpolate::Interpolator> interpolator(  Geom::Interpolate::Interpolator::create(static_cast<Geom::Interpolate::InterpolatorType>(interpolator_type.get_value())) );
+
+    for(Geom::PathVector::const_iterator path_it = path_in.begin(); path_it != path_in.end(); ++path_it) {
+        if (path_it->empty())
+            continue;
+
+        if (path_it->closed()) {
+            g_warning("Interpolate points LPE currently ignores whether path is closed or not.");
+        }
+
+        std::vector<Geom::Point> pts;
+        pts.push_back(path_it->initialPoint());
+
+        for (Geom::Path::const_iterator it = path_it->begin(), e = path_it->end_default(); it != e; ++it) {
+            pts.push_back((*it).finalPoint());
+        }
+
+        Geom::Path path = interpolator->interpolateToPath(pts);
+
+        path_out.push_back(path);
+    }
+
+    return path_out;
+}
+
+
+} //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 :