/* 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 "helper/geom-pathstroke.h"
#include "sp-shape.h"
#include "style.h"
#include "xml/repr.h"
#include "sp-paint-server.h"
#include "svg/svg-color.h"
#include "desktop-style.h"
#include "svg/css-ostringstream.h"
#include "display/curve.h"
#include <2geom/path.h>
#include <2geom/elliptical-arc.h>
#include "lpe-jointype.h"
namespace Inkscape {
namespace LivePathEffect {
static const Util::EnumData<unsigned> JoinTypeData[] = {
{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"},
};
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_straight),
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()
{
}
//from LPEPowerStroke -- sets fill if stroke color because we will
//be converting to a fill to make the new join.
void LPEJoinType::doOnApply(SPLPEItem const* lpeitem)
{
if (SP_IS_SHAPE(lpeitem)) {
SPLPEItem* item = const_cast<SPLPEItem*>(lpeitem);
double width = (lpeitem && lpeitem->style) ? lpeitem->style->stroke_width.computed : 1.;
SPCSSAttr *css = sp_repr_css_attr_new ();
if (lpeitem->style->stroke.isPaintserver()) {
SPPaintServer * server = lpeitem->style->getStrokePaintServer();
if (server) {
Glib::ustring str;
str += "url(#";
str += server->getId();
str += ")";
sp_repr_css_set_property (css, "fill", str.c_str());
}
} else if (lpeitem->style->stroke.isColor()) {
gchar c[64];
sp_svg_write_color (c, sizeof(c), lpeitem->style->stroke.value.color.toRGBA32(SP_SCALE24_TO_FLOAT(lpeitem->style->stroke_opacity.value)));
sp_repr_css_set_property (css, "fill", c);
} else {
sp_repr_css_set_property (css, "fill", "none");
}
sp_repr_css_set_property(css, "fill-rule", "nonzero");
sp_repr_css_set_property(css, "stroke", "none");
sp_desktop_apply_css_recursive(item, css, true);
sp_repr_css_attr_unref (css);
line_width.param_set_value(width);
line_width.write_to_SVG();
}
}
//from LPEPowerStroke -- sets stroke color from existing fill color
void LPEJoinType::doOnRemove(SPLPEItem const* lpeitem)
{
if (SP_IS_SHAPE(lpeitem)) {
SPLPEItem *item = const_cast<SPLPEItem*>(lpeitem);
SPCSSAttr *css = sp_repr_css_attr_new ();
if (lpeitem->style->fill.isPaintserver()) {
SPPaintServer * server = lpeitem->style->getFillPaintServer();
if (server) {
Glib::ustring str;
str += "url(#";
str += server->getId();
str += ")";
sp_repr_css_set_property (css, "stroke", str.c_str());
}
} else if (lpeitem->style->fill.isColor()) {
gchar c[64];
sp_svg_write_color (c, sizeof(c), lpeitem->style->fill.value.color.toRGBA32(SP_SCALE24_TO_FLOAT(lpeitem->style->fill_opacity.value)));
sp_repr_css_set_property (css, "stroke", c);
} else {
sp_repr_css_set_property (css, "stroke", "none");
}
Inkscape::CSSOStringStream os;
os << fabs(line_width);
sp_repr_css_set_property (css, "stroke-width", os.str().c_str());
sp_repr_css_set_property(css, "fill", "none");
sp_desktop_apply_css_recursive(item, css, true);
sp_repr_css_attr_unref (css);
item->updateRepr();
}
}
Geom::PathVector LPEJoinType::doEffect_path(Geom::PathVector const & path_in)
{
Geom::PathVector ret;
for (size_t i = 0; i < path_in.size(); ++i) {
Geom::PathVector tmp = Inkscape::outline(path_in[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 :