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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/live_effects/lpe-text_label.cpp | |
parent | Initial commit. (diff) | |
download | inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/live_effects/lpe-text_label.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/live_effects/lpe-text_label.cpp b/src/live_effects/lpe-text_label.cpp new file mode 100644 index 0000000..aa50296 --- /dev/null +++ b/src/live_effects/lpe-text_label.cpp @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** \file + * LPE <text_label> implementation + */ +/* + * Authors: + * Maximilian Albert + * Johan Engelen + * + * Copyright (C) Maximilian Albert 2008 <maximilian.albert@gmail.com> + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include "live_effects/lpe-text_label.h" + +// TODO due to internal breakage in glibmm headers, this must be last: +#include <glibmm/i18n.h> + +namespace Inkscape { +namespace LivePathEffect { + +LPETextLabel::LPETextLabel(LivePathEffectObject *lpeobject) : + Effect(lpeobject), + label(_("Label:"), _("Text label attached to the path"), "label", &wr, this, "This is a label") +{ + registerParameter(&label); +} + +LPETextLabel::~LPETextLabel() += default; + +Geom::Piecewise<Geom::D2<Geom::SBasis> > +LPETextLabel::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in) +{ + using namespace Geom; + + double t = (pwd2_in.cuts.front() + pwd2_in.cuts.back()) / 2; + Point pos(pwd2_in.valueAt(t)); + Point dir(unit_vector(derivative(pwd2_in).valueAt(t))); + Point n(-rot90(dir) * 30); + + double angle = angle_between(dir, Point(1,0)); + label.setPos(pos + n); + label.setAnchor(std::sin(angle), -std::cos(angle)); + + return pwd2_in; +} + +} //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 : |