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// SPDX-License-Identifier: GPL-2.0-or-later
/* Authors:
*
* Liam P White
*
* Copyright (C) 2014 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "live_effects/parameter/enum.h"
#include "live_effects/fill-conversion.h"
#include "helper/geom-pathstroke.h"
#include "desktop-style.h"
#include "display/curve.h"
#include "object/sp-item-group.h"
#include "object/sp-shape.h"
#include "style.h"
#include "svg/css-ostringstream.h"
#include "svg/svg-color.h"
#include <2geom/elliptical-arc.h>
#include "lpe-jointype.h"
// TODO due to internal breakage in glibmm headers, this must be last:
#include <glibmm/i18n.h>
namespace Inkscape {
namespace LivePathEffect {
static const Util::EnumData<unsigned> JoinTypeData[] = {
// clang-format off
{JOIN_BEVEL, N_("Beveled"), "bevel"},
{JOIN_ROUND, N_("Rounded"), "round"},
{JOIN_MITER, N_("Miter"), "miter"},
{JOIN_MITER_CLIP, N_("Miter Clip"), "miter-clip"},
{JOIN_EXTRAPOLATE, N_("Extrapolated arc"), "extrp_arc"},
{JOIN_EXTRAPOLATE1, N_("Extrapolated arc Alt1"), "extrp_arc1"},
{JOIN_EXTRAPOLATE2, N_("Extrapolated arc Alt2"), "extrp_arc2"},
{JOIN_EXTRAPOLATE3, N_("Extrapolated arc Alt3"), "extrp_arc3"},
// clang-format on
};
static const Util::EnumData<unsigned> CapTypeData[] = {
{BUTT_FLAT, N_("Butt"), "butt"},
{BUTT_ROUND, N_("Rounded"), "round"},
{BUTT_SQUARE, N_("Square"), "square"},
{BUTT_PEAK, N_("Peak"), "peak"},
//{BUTT_LEANED, N_("Leaned"), "leaned"}
};
static const Util::EnumDataConverter<unsigned> CapTypeConverter(CapTypeData, sizeof(CapTypeData)/sizeof(*CapTypeData));
static const Util::EnumDataConverter<unsigned> JoinTypeConverter(JoinTypeData, sizeof(JoinTypeData)/sizeof(*JoinTypeData));
LPEJoinType::LPEJoinType(LivePathEffectObject *lpeobject) :
Effect(lpeobject),
line_width(_("Line width"), _("Thickness of the stroke"), "line_width", &wr, this, 1.),
linecap_type(_("Line cap"), _("The end shape of the stroke"), "linecap_type", CapTypeConverter, &wr, this, BUTT_FLAT),
linejoin_type(_("Join:"), _("Determines the shape of the path's corners"), "linejoin_type", JoinTypeConverter, &wr, this, JOIN_EXTRAPOLATE),
//start_lean(_("Start path lean"), _("Start path lean"), "start_lean", &wr, this, 0.),
//end_lean(_("End path lean"), _("End path lean"), "end_lean", &wr, this, 0.),
miter_limit(_("Miter limit:"), _("Maximum length of the miter join (in units of stroke width)"), "miter_limit", &wr, this, 100.),
attempt_force_join(_("Force miter"), _("Overrides the miter limit and forces a join."), "attempt_force_join", &wr, this, true)
{
show_orig_path = true;
registerParameter(&linecap_type);
registerParameter(&line_width);
registerParameter(&linejoin_type);
//registerParameter(&start_lean);
//registerParameter(&end_lean);
registerParameter(&miter_limit);
registerParameter(&attempt_force_join);
//start_lean.param_set_range(-1,1);
//start_lean.param_set_increments(0.1, 0.1);
//start_lean.param_set_digits(4);
//end_lean.param_set_range(-1,1);
//end_lean.param_set_increments(0.1, 0.1);
//end_lean.param_set_digits(4);
}
LPEJoinType::~LPEJoinType()
= default;
void LPEJoinType::doOnApply(SPLPEItem const* lpeitem)
{
if (!SP_IS_SHAPE(lpeitem)) {
return;
}
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
auto lpeitem_mutable = const_cast<SPLPEItem *>(lpeitem);
auto item = dynamic_cast<SPShape *>(lpeitem_mutable);
double width = (lpeitem && lpeitem->style) ? lpeitem->style->stroke_width.computed : 1.;
lpe_shape_convert_stroke_and_fill(item);
Glib::ustring pref_path = (Glib::ustring)"/live_effects/" +
(Glib::ustring)LPETypeConverter.get_key(effectType()).c_str() +
(Glib::ustring)"/" +
(Glib::ustring)"line_width";
bool valid = prefs->getEntry(pref_path).isValid();
if (!valid) {
line_width.param_set_value(width);
}
line_width.write_to_SVG();
}
void LPEJoinType::transform_multiply(Geom::Affine const &postmul, bool /*set*/)
{
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
bool transform_stroke = prefs ? prefs->getBool("/options/transform/stroke", true) : true;
if (transform_stroke) {
line_width.param_transform_multiply(postmul, false);
}
}
//from LPEPowerStroke -- sets stroke color from existing fill color
void LPEJoinType::doOnRemove(SPLPEItem const* lpeitem)
{
auto lpeitem_mutable = const_cast<SPLPEItem *>(lpeitem);
auto shape = dynamic_cast<SPShape *>(lpeitem_mutable);
if (!shape) {
return;
}
lpe_shape_revert_stroke_and_fill(shape, line_width);
}
Geom::PathVector LPEJoinType::doEffect_path(Geom::PathVector const & path_in)
{
Geom::PathVector ret;
for (const auto & i : path_in) {
Geom::PathVector tmp = Inkscape::outline(i, line_width,
(attempt_force_join ? std::numeric_limits<double>::max() : miter_limit),
static_cast<LineJoinType>(linejoin_type.get_value()),
static_cast<LineCapType>(linecap_type.get_value()));
ret.insert(ret.begin(), tmp.begin(), tmp.end());
}
return ret;
}
} // 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:fileencoding=utf-8 :
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